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Salvage parts of #19418 (the ext/PerlIO/t/open.t
[perl5.git] / win32 / win32.c
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CommitLineData
68dc0745
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1/* WIN32.C
2 *
3fadfdf1 3 * (c) 1995 Microsoft Corporation. All rights reserved.
68dc0745
PP
4 * Developed by hip communications inc., http://info.hip.com/info/
5 * Portions (c) 1993 Intergraph Corporation. All rights reserved.
6 *
7 * You may distribute under the terms of either the GNU General Public
8 * License or the Artistic License, as specified in the README file.
9 */
3fadfdf1 10#define PERLIO_NOT_STDIO 0
0a753a76
PP
11#define WIN32_LEAN_AND_MEAN
12#define WIN32IO_IS_STDIO
13#include <tchar.h>
a835ef8a
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14#ifdef __GNUC__
15#define Win32_Winsock
16#endif
0a753a76 17#include <windows.h>
7c5b6093
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18/* GCC-2.95.2/Mingw32-1.1 forgot the WINAPI on CommandLineToArgvW() */
19#if defined(__MINGW32__) && (__MINGW32_MAJOR_VERSION==1)
f8fb7c90
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20# include <shellapi.h>
21#else
22 LPWSTR* WINAPI CommandLineToArgvW(LPCWSTR lpCommandLine, int * pNumArgs);
23#endif
5db10396
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24#include <winnt.h>
25#include <io.h>
c843839f 26#include <signal.h>
0a753a76 27
68dc0745 28/* #include "config.h" */
0a753a76 29
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PP
30#if !defined(PERLIO_IS_STDIO) && !defined(USE_SFIO)
31#define PerlIO FILE
32#endif
33
7a9ec5a3 34#include <sys/stat.h>
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PP
35#include "EXTERN.h"
36#include "perl.h"
c69f6586
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37
38#define NO_XSLOCKS
c5be433b 39#define PERL_NO_GET_CONTEXT
ad2e33dc 40#include "XSUB.h"
c69f6586
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41
42#include "Win32iop.h"
0a753a76 43#include <fcntl.h>
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44#ifndef __GNUC__
45/* assert.h conflicts with #define of assert in perl.h */
0a753a76 46#include <assert.h>
5b0d9cbe 47#endif
0a753a76
PP
48#include <string.h>
49#include <stdarg.h>
ad2e33dc 50#include <float.h>
ad0751ec 51#include <time.h>
3730b96e 52#if defined(_MSC_VER) || defined(__MINGW32__)
ad0751ec
GS
53#include <sys/utime.h>
54#else
55#include <utime.h>
56#endif
5b0d9cbe 57#ifdef __GNUC__
3fadfdf1 58/* Mingw32 defaults to globing command line
5b0d9cbe
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59 * So we turn it off like this:
60 */
61int _CRT_glob = 0;
62#endif
63
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64#if defined(__MINGW32__) && (__MINGW32_MAJOR_VERSION==1)
65/* Mingw32-1.1 is missing some prototypes */
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66FILE * _wfopen(LPCWSTR wszFileName, LPCWSTR wszMode);
67FILE * _wfdopen(int nFd, LPCWSTR wszMode);
68FILE * _freopen(LPCWSTR wszFileName, LPCWSTR wszMode, FILE * pOldStream);
69int _flushall();
70int _fcloseall();
2b260de0
GS
71#endif
72
73#if defined(__BORLANDC__)
0b94c7bb
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74# define _stat stat
75# define _utimbuf utimbuf
76#endif
77
6890e559
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78#define EXECF_EXEC 1
79#define EXECF_SPAWN 2
80#define EXECF_SPAWN_NOWAIT 3
81
32e30700
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82#if defined(PERL_IMPLICIT_SYS)
83# undef win32_get_privlib
84# define win32_get_privlib g_win32_get_privlib
85# undef win32_get_sitelib
86# define win32_get_sitelib g_win32_get_sitelib
4ea817c6
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87# undef win32_get_vendorlib
88# define win32_get_vendorlib g_win32_get_vendorlib
32e30700
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89# undef getlogin
90# define getlogin g_getlogin
91#endif
92
ce1da67e 93static void get_shell(void);
dff6d3cd 94static long tokenize(const char *str, char **dest, char ***destv);
54725af6 95static int do_spawn2(pTHX_ char *cmd, int exectype);
e200fe59 96static BOOL has_shell_metachars(char *ptr);
2d7a9237 97static long filetime_to_clock(PFILETIME ft);
ad0751ec 98static BOOL filetime_from_time(PFILETIME ft, time_t t);
c5be433b 99static char * get_emd_part(SV **leading, char *trailing, ...);
0aaad0ff
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100static void remove_dead_process(long deceased);
101static long find_pid(int pid);
102static char * qualified_path(const char *cmd);
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103static char * win32_get_xlib(const char *pl, const char *xlib,
104 const char *libname);
105
7766f137
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106#ifdef USE_ITHREADS
107static void remove_dead_pseudo_process(long child);
108static long find_pseudo_pid(int pid);
109#endif
c69f6586 110
7766f137 111START_EXTERN_C
2d7a9237 112HANDLE w32_perldll_handle = INVALID_HANDLE_VALUE;
8ac9c18d 113char w32_module_name[MAX_PATH+1];
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114END_EXTERN_C
115
4b556e6c 116static DWORD w32_platform = (DWORD)-1;
50892819 117
7766f137
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118#define ONE_K_BUFSIZE 1024
119
3fadfdf1 120int
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121IsWin95(void)
122{
0cb96387 123 return (win32_os_id() == VER_PLATFORM_WIN32_WINDOWS);
3fe9a6f1
PP
124}
125
126int
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127IsWinNT(void)
128{
0cb96387 129 return (win32_os_id() == VER_PLATFORM_WIN32_NT);
3fe9a6f1 130}
0a753a76 131
2fa86c13
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132EXTERN_C void
133set_w32_module_name(void)
134{
135 char* ptr;
136 GetModuleFileName((HMODULE)((w32_perldll_handle == INVALID_HANDLE_VALUE)
137 ? GetModuleHandle(NULL)
138 : w32_perldll_handle),
139 w32_module_name, sizeof(w32_module_name));
140
141 /* try to get full path to binary (which may be mangled when perl is
142 * run from a 16-bit app) */
143 /*PerlIO_printf(Perl_debug_log, "Before %s\n", w32_module_name);*/
144 (void)win32_longpath(w32_module_name);
145 /*PerlIO_printf(Perl_debug_log, "After %s\n", w32_module_name);*/
146
147 /* normalize to forward slashes */
148 ptr = w32_module_name;
149 while (*ptr) {
150 if (*ptr == '\\')
151 *ptr = '/';
152 ++ptr;
153 }
154}
155
c5be433b 156/* *svp (if non-NULL) is expected to be POK (valid allocated SvPVX(*svp)) */
51371543 157static char*
c5be433b 158get_regstr_from(HKEY hkey, const char *valuename, SV **svp)
349ad1fe
GS
159{
160 /* Retrieve a REG_SZ or REG_EXPAND_SZ from the registry */
00dc2f4f
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161 HKEY handle;
162 DWORD type;
163 const char *subkey = "Software\\Perl";
349ad1fe 164 char *str = Nullch;
00dc2f4f
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165 long retval;
166
167 retval = RegOpenKeyEx(hkey, subkey, 0, KEY_READ, &handle);
349ad1fe 168 if (retval == ERROR_SUCCESS) {
51371543
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169 DWORD datalen;
170 retval = RegQueryValueEx(handle, valuename, 0, &type, NULL, &datalen);
1c94caf4
GS
171 if (retval == ERROR_SUCCESS
172 && (type == REG_SZ || type == REG_EXPAND_SZ))
173 {
acfe0abc 174 dTHX;
c5be433b
GS
175 if (!*svp)
176 *svp = sv_2mortal(newSVpvn("",0));
177 SvGROW(*svp, datalen);
51371543 178 retval = RegQueryValueEx(handle, valuename, 0, NULL,
c5be433b 179 (PBYTE)SvPVX(*svp), &datalen);
51371543 180 if (retval == ERROR_SUCCESS) {
c5be433b
GS
181 str = SvPVX(*svp);
182 SvCUR_set(*svp,datalen-1);
51371543 183 }
00dc2f4f
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184 }
185 RegCloseKey(handle);
186 }
349ad1fe 187 return str;
00dc2f4f
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188}
189
c5be433b 190/* *svp (if non-NULL) is expected to be POK (valid allocated SvPVX(*svp)) */
51371543 191static char*
c5be433b 192get_regstr(const char *valuename, SV **svp)
00dc2f4f 193{
c5be433b 194 char *str = get_regstr_from(HKEY_CURRENT_USER, valuename, svp);
349ad1fe 195 if (!str)
c5be433b 196 str = get_regstr_from(HKEY_LOCAL_MACHINE, valuename, svp);
349ad1fe 197 return str;
00dc2f4f
GS
198}
199
c5be433b 200/* *prev_pathp (if non-NULL) is expected to be POK (valid allocated SvPVX(sv)) */
e5a95ffb 201static char *
c5be433b 202get_emd_part(SV **prev_pathp, char *trailing_path, ...)
00dc2f4f 203{
dc9e4912 204 char base[10];
e5a95ffb 205 va_list ap;
e24c7c18 206 char mod_name[MAX_PATH+1];
00dc2f4f 207 char *ptr;
e5a95ffb
GS
208 char *optr;
209 char *strip;
273cf8d1 210 STRLEN baselen;
e5a95ffb
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211
212 va_start(ap, trailing_path);
213 strip = va_arg(ap, char *);
214
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215 sprintf(base, "%d.%d", (int)PERL_REVISION, (int)PERL_VERSION);
216 baselen = strlen(base);
dc9e4912 217
8ac9c18d 218 if (!*w32_module_name) {
2fa86c13 219 set_w32_module_name();
95140b98 220 }
8ac9c18d 221 strcpy(mod_name, w32_module_name);
95140b98 222 ptr = strrchr(mod_name, '/');
e5a95ffb
GS
223 while (ptr && strip) {
224 /* look for directories to skip back */
225 optr = ptr;
00dc2f4f 226 *ptr = '\0';
95140b98 227 ptr = strrchr(mod_name, '/');
1c39adb2
GS
228 /* avoid stripping component if there is no slash,
229 * or it doesn't match ... */
e5a95ffb 230 if (!ptr || stricmp(ptr+1, strip) != 0) {
273cf8d1 231 /* ... but not if component matches m|5\.$patchlevel.*| */
1c39adb2 232 if (!ptr || !(*strip == '5' && *(ptr+1) == '5'
273cf8d1
GS
233 && strncmp(strip, base, baselen) == 0
234 && strncmp(ptr+1, base, baselen) == 0))
95140b98
GS
235 {
236 *optr = '/';
80252599
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237 ptr = optr;
238 }
00dc2f4f 239 }
e5a95ffb 240 strip = va_arg(ap, char *);
00dc2f4f 241 }
e5a95ffb
GS
242 if (!ptr) {
243 ptr = mod_name;
244 *ptr++ = '.';
95140b98 245 *ptr = '/';
00dc2f4f 246 }
e5a95ffb
GS
247 va_end(ap);
248 strcpy(++ptr, trailing_path);
249
dc9e4912 250 /* only add directory if it exists */
349ad1fe 251 if (GetFileAttributes(mod_name) != (DWORD) -1) {
dc9e4912 252 /* directory exists */
acfe0abc 253 dTHX;
c5be433b
GS
254 if (!*prev_pathp)
255 *prev_pathp = sv_2mortal(newSVpvn("",0));
256 sv_catpvn(*prev_pathp, ";", 1);
257 sv_catpv(*prev_pathp, mod_name);
258 return SvPVX(*prev_pathp);
00dc2f4f 259 }
00dc2f4f 260
cf11f4bf 261 return Nullch;
00dc2f4f
GS
262}
263
264char *
4ea817c6 265win32_get_privlib(const char *pl)
00dc2f4f 266{
acfe0abc 267 dTHX;
e5a95ffb
GS
268 char *stdlib = "lib";
269 char buffer[MAX_PATH+1];
51371543 270 SV *sv = Nullsv;
00dc2f4f 271
e5a95ffb
GS
272 /* $stdlib = $HKCU{"lib-$]"} || $HKLM{"lib-$]"} || $HKCU{"lib"} || $HKLM{"lib"} || ""; */
273 sprintf(buffer, "%s-%s", stdlib, pl);
c5be433b
GS
274 if (!get_regstr(buffer, &sv))
275 (void)get_regstr(stdlib, &sv);
00dc2f4f 276
e5a95ffb 277 /* $stdlib .= ";$EMD/../../lib" */
c5be433b 278 return get_emd_part(&sv, stdlib, ARCHNAME, "bin", Nullch);
00dc2f4f
GS
279}
280
4ea817c6
GS
281static char *
282win32_get_xlib(const char *pl, const char *xlib, const char *libname)
00dc2f4f 283{
acfe0abc 284 dTHX;
e5a95ffb 285 char regstr[40];
e24c7c18 286 char pathstr[MAX_PATH+1];
51371543
GS
287 SV *sv1 = Nullsv;
288 SV *sv2 = Nullsv;
00dc2f4f 289
4ea817c6
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290 /* $HKCU{"$xlib-$]"} || $HKLM{"$xlib-$]"} . ---; */
291 sprintf(regstr, "%s-%s", xlib, pl);
c5be433b 292 (void)get_regstr(regstr, &sv1);
e5a95ffb 293
4ea817c6
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294 /* $xlib .=
295 * ";$EMD/" . ((-d $EMD/../../../$]) ? "../../.." : "../.."). "/$libname/$]/lib"; */
296 sprintf(pathstr, "%s/%s/lib", libname, pl);
c5be433b 297 (void)get_emd_part(&sv1, pathstr, ARCHNAME, "bin", pl, Nullch);
00dc2f4f 298
4ea817c6
GS
299 /* $HKCU{$xlib} || $HKLM{$xlib} . ---; */
300 (void)get_regstr(xlib, &sv2);
00dc2f4f 301
4ea817c6
GS
302 /* $xlib .=
303 * ";$EMD/" . ((-d $EMD/../../../$]) ? "../../.." : "../.."). "/$libname/lib"; */
304 sprintf(pathstr, "%s/lib", libname);
305 (void)get_emd_part(&sv2, pathstr, ARCHNAME, "bin", pl, Nullch);
e5a95ffb 306
51371543
GS
307 if (!sv1 && !sv2)
308 return Nullch;
309 if (!sv1)
310 return SvPVX(sv2);
311 if (!sv2)
312 return SvPVX(sv1);
e5a95ffb 313
349ad1fe
GS
314 sv_catpvn(sv1, ";", 1);
315 sv_catsv(sv1, sv2);
e5a95ffb 316
349ad1fe 317 return SvPVX(sv1);
68dc0745 318}
0a753a76 319
4ea817c6
GS
320char *
321win32_get_sitelib(const char *pl)
322{
323 return win32_get_xlib(pl, "sitelib", "site");
324}
325
326#ifndef PERL_VENDORLIB_NAME
327# define PERL_VENDORLIB_NAME "vendor"
328#endif
329
330char *
331win32_get_vendorlib(const char *pl)
332{
333 return win32_get_xlib(pl, "vendorlib", PERL_VENDORLIB_NAME);
334}
b4793f7f 335
2d7a9237 336static BOOL
e200fe59 337has_shell_metachars(char *ptr)
68dc0745
PP
338{
339 int inquote = 0;
340 char quote = '\0';
341
342 /*
343 * Scan string looking for redirection (< or >) or pipe
e200fe59
JD
344 * characters (|) that are not in a quoted string.
345 * Shell variable interpolation (%VAR%) can also happen inside strings.
68dc0745 346 */
9404a519 347 while (*ptr) {
68dc0745 348 switch(*ptr) {
e200fe59
JD
349 case '%':
350 return TRUE;
68dc0745
PP
351 case '\'':
352 case '\"':
9404a519
GS
353 if (inquote) {
354 if (quote == *ptr) {
68dc0745
PP
355 inquote = 0;
356 quote = '\0';
0a753a76 357 }
68dc0745
PP
358 }
359 else {
360 quote = *ptr;
361 inquote++;
362 }
363 break;
364 case '>':
365 case '<':
366 case '|':
9404a519 367 if (!inquote)
68dc0745
PP
368 return TRUE;
369 default:
370 break;
0a753a76 371 }
68dc0745
PP
372 ++ptr;
373 }
374 return FALSE;
0a753a76
PP
375}
376
32e30700 377#if !defined(PERL_IMPLICIT_SYS)
68dc0745
PP
378/* since the current process environment is being updated in util.c
379 * the library functions will get the correct environment
380 */
381PerlIO *
4f63d024 382Perl_my_popen(pTHX_ char *cmd, char *mode)
0a753a76
PP
383{
384#ifdef FIXCMD
7766f137
GS
385#define fixcmd(x) { \
386 char *pspace = strchr((x),' '); \
387 if (pspace) { \
388 char *p = (x); \
389 while (p < pspace) { \
390 if (*p == '/') \
391 *p = '\\'; \
392 p++; \
393 } \
394 } \
395 }
0a753a76
PP
396#else
397#define fixcmd(x)
398#endif
68dc0745 399 fixcmd(cmd);
45bc9206 400 PERL_FLUSHALL_FOR_CHILD;
0a753a76 401 return win32_popen(cmd, mode);
0a753a76
PP
402}
403
68dc0745 404long
4f63d024 405Perl_my_pclose(pTHX_ PerlIO *fp)
0a753a76
PP
406{
407 return win32_pclose(fp);
408}
c69f6586 409#endif
0a753a76 410
0cb96387
GS
411DllExport unsigned long
412win32_os_id(void)
0a753a76 413{
8b10511d 414 static OSVERSIONINFO osver;
0a753a76 415
2d7a9237 416 if (osver.dwPlatformId != w32_platform) {
8b10511d
GS
417 memset(&osver, 0, sizeof(OSVERSIONINFO));
418 osver.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
419 GetVersionEx(&osver);
2d7a9237 420 w32_platform = osver.dwPlatformId;
8b10511d 421 }
0cb96387 422 return (unsigned long)w32_platform;
0a753a76
PP
423}
424
7766f137
GS
425DllExport int
426win32_getpid(void)
427{
922b1888 428 int pid;
7766f137 429#ifdef USE_ITHREADS
acfe0abc 430 dTHX;
7766f137
GS
431 if (w32_pseudo_id)
432 return -((int)w32_pseudo_id);
433#endif
922b1888
GS
434 pid = _getpid();
435 /* Windows 9x appears to always reports a pid for threads and processes
436 * that has the high bit set. So we treat the lower 31 bits as the
437 * "real" PID for Perl's purposes. */
438 if (IsWin95() && pid < 0)
439 pid = -pid;
440 return pid;
7766f137
GS
441}
442
ce1da67e
GS
443/* Tokenize a string. Words are null-separated, and the list
444 * ends with a doubled null. Any character (except null and
445 * including backslash) may be escaped by preceding it with a
446 * backslash (the backslash will be stripped).
447 * Returns number of words in result buffer.
448 */
449static long
dff6d3cd 450tokenize(const char *str, char **dest, char ***destv)
ce1da67e
GS
451{
452 char *retstart = Nullch;
453 char **retvstart = 0;
454 int items = -1;
455 if (str) {
acfe0abc 456 dTHX;
ce1da67e
GS
457 int slen = strlen(str);
458 register char *ret;
459 register char **retv;
460 New(1307, ret, slen+2, char);
461 New(1308, retv, (slen+3)/2, char*);
462
463 retstart = ret;
464 retvstart = retv;
465 *retv = ret;
466 items = 0;
467 while (*str) {
468 *ret = *str++;
469 if (*ret == '\\' && *str)
470 *ret = *str++;
471 else if (*ret == ' ') {
472 while (*str == ' ')
473 str++;
474 if (ret == retstart)
475 ret--;
476 else {
477 *ret = '\0';
478 ++items;
479 if (*str)
480 *++retv = ret+1;
481 }
482 }
483 else if (!*str)
484 ++items;
485 ret++;
486 }
487 retvstart[items] = Nullch;
488 *ret++ = '\0';
489 *ret = '\0';
490 }
491 *dest = retstart;
492 *destv = retvstart;
493 return items;
494}
495
496static void
2d7a9237 497get_shell(void)
0a753a76 498{
acfe0abc 499 dTHX;
ce1da67e 500 if (!w32_perlshell_tokens) {
174c211a
GS
501 /* we don't use COMSPEC here for two reasons:
502 * 1. the same reason perl on UNIX doesn't use SHELL--rampant and
503 * uncontrolled unportability of the ensuing scripts.
504 * 2. PERL5SHELL could be set to a shell that may not be fit for
505 * interactive use (which is what most programs look in COMSPEC
506 * for).
507 */
dff6d3cd 508 const char* defaultshell = (IsWinNT()
11998fdb 509 ? "cmd.exe /x/d/c" : "command.com /c");
2fb9ab56 510 const char *usershell = PerlEnv_getenv("PERL5SHELL");
ce1da67e
GS
511 w32_perlshell_items = tokenize(usershell ? usershell : defaultshell,
512 &w32_perlshell_tokens,
513 &w32_perlshell_vec);
68dc0745 514 }
0a753a76
PP
515}
516
68dc0745 517int
54725af6 518Perl_do_aspawn(pTHX_ SV *really, SV **mark, SV **sp)
0a753a76 519{
68dc0745 520 char **argv;
2d7a9237 521 char *str;
68dc0745 522 int status;
2d7a9237 523 int flag = P_WAIT;
68dc0745 524 int index = 0;
68dc0745 525
2d7a9237
GS
526 if (sp <= mark)
527 return -1;
68dc0745 528
ce1da67e
GS
529 get_shell();
530 New(1306, argv, (sp - mark) + w32_perlshell_items + 2, char*);
2d7a9237
GS
531
532 if (SvNIOKp(*(mark+1)) && !SvPOKp(*(mark+1))) {
533 ++mark;
534 flag = SvIVx(*mark);
68dc0745
PP
535 }
536
9404a519 537 while (++mark <= sp) {
bb897dfc 538 if (*mark && (str = SvPV_nolen(*mark)))
2d7a9237
GS
539 argv[index++] = str;
540 else
541 argv[index++] = "";
68dc0745
PP
542 }
543 argv[index++] = 0;
3fadfdf1 544
2d7a9237 545 status = win32_spawnvp(flag,
bb897dfc 546 (const char*)(really ? SvPV_nolen(really) : argv[0]),
2d7a9237
GS
547 (const char* const*)argv);
548
80252599 549 if (status < 0 && (errno == ENOEXEC || errno == ENOENT)) {
2d7a9237 550 /* possible shell-builtin, invoke with shell */
ce1da67e
GS
551 int sh_items;
552 sh_items = w32_perlshell_items;
2d7a9237
GS
553 while (--index >= 0)
554 argv[index+sh_items] = argv[index];
ce1da67e
GS
555 while (--sh_items >= 0)
556 argv[sh_items] = w32_perlshell_vec[sh_items];
3fadfdf1 557
2d7a9237 558 status = win32_spawnvp(flag,
bb897dfc 559 (const char*)(really ? SvPV_nolen(really) : argv[0]),
2d7a9237
GS
560 (const char* const*)argv);
561 }
68dc0745 562
922b1888
GS
563 if (flag == P_NOWAIT) {
564 if (IsWin95())
565 PL_statusvalue = -1; /* >16bits hint for pp_system() */
566 }
567 else {
50892819 568 if (status < 0) {
0453d815 569 if (ckWARN(WARN_EXEC))
f98bc0c6 570 Perl_warner(aTHX_ packWARN(WARN_EXEC), "Can't spawn \"%s\": %s", argv[0], strerror(errno));
50892819
GS
571 status = 255 * 256;
572 }
573 else
574 status *= 256;
b28d0864 575 PL_statusvalue = status;
5aabfad6 576 }
ce1da67e 577 Safefree(argv);
50892819 578 return (status);
68dc0745
PP
579}
580
dd7038b3
JH
581/* returns pointer to the next unquoted space or the end of the string */
582static char*
583find_next_space(const char *s)
584{
585 bool in_quotes = FALSE;
586 while (*s) {
587 /* ignore doubled backslashes, or backslash+quote */
588 if (*s == '\\' && (s[1] == '\\' || s[1] == '"')) {
589 s += 2;
590 }
591 /* keep track of when we're within quotes */
592 else if (*s == '"') {
593 s++;
594 in_quotes = !in_quotes;
595 }
596 /* break it up only at spaces that aren't in quotes */
597 else if (!in_quotes && isSPACE(*s))
598 return (char*)s;
599 else
600 s++;
601 }
602 return (char*)s;
603}
604
54725af6
GS
605static int
606do_spawn2(pTHX_ char *cmd, int exectype)
68dc0745
PP
607{
608 char **a;
609 char *s;
610 char **argv;
611 int status = -1;
612 BOOL needToTry = TRUE;
2d7a9237 613 char *cmd2;
68dc0745 614
2d7a9237
GS
615 /* Save an extra exec if possible. See if there are shell
616 * metacharacters in it */
e200fe59 617 if (!has_shell_metachars(cmd)) {
fc36a67e
PP
618 New(1301,argv, strlen(cmd) / 2 + 2, char*);
619 New(1302,cmd2, strlen(cmd) + 1, char);
68dc0745
PP
620 strcpy(cmd2, cmd);
621 a = argv;
622 for (s = cmd2; *s;) {
de030af3 623 while (*s && isSPACE(*s))
68dc0745
PP
624 s++;
625 if (*s)
626 *(a++) = s;
dd7038b3 627 s = find_next_space(s);
9404a519 628 if (*s)
68dc0745 629 *s++ = '\0';
0a753a76 630 }
68dc0745 631 *a = Nullch;
ce1da67e 632 if (argv[0]) {
6890e559
GS
633 switch (exectype) {
634 case EXECF_SPAWN:
635 status = win32_spawnvp(P_WAIT, argv[0],
636 (const char* const*)argv);
637 break;
638 case EXECF_SPAWN_NOWAIT:
639 status = win32_spawnvp(P_NOWAIT, argv[0],
640 (const char* const*)argv);
641 break;
642 case EXECF_EXEC:
643 status = win32_execvp(argv[0], (const char* const*)argv);
644 break;
645 }
2d7a9237 646 if (status != -1 || errno == 0)
68dc0745 647 needToTry = FALSE;
0a753a76 648 }
0a753a76 649 Safefree(argv);
68dc0745
PP
650 Safefree(cmd2);
651 }
2d7a9237 652 if (needToTry) {
ce1da67e
GS
653 char **argv;
654 int i = -1;
655 get_shell();
656 New(1306, argv, w32_perlshell_items + 2, char*);
657 while (++i < w32_perlshell_items)
658 argv[i] = w32_perlshell_vec[i];
2d7a9237
GS
659 argv[i++] = cmd;
660 argv[i] = Nullch;
6890e559
GS
661 switch (exectype) {
662 case EXECF_SPAWN:
663 status = win32_spawnvp(P_WAIT, argv[0],
664 (const char* const*)argv);
665 break;
666 case EXECF_SPAWN_NOWAIT:
667 status = win32_spawnvp(P_NOWAIT, argv[0],
668 (const char* const*)argv);
669 break;
670 case EXECF_EXEC:
671 status = win32_execvp(argv[0], (const char* const*)argv);
672 break;
673 }
ce1da67e
GS
674 cmd = argv[0];
675 Safefree(argv);
68dc0745 676 }
922b1888
GS
677 if (exectype == EXECF_SPAWN_NOWAIT) {
678 if (IsWin95())
679 PL_statusvalue = -1; /* >16bits hint for pp_system() */
680 }
681 else {
50892819 682 if (status < 0) {
0453d815 683 if (ckWARN(WARN_EXEC))
f98bc0c6 684 Perl_warner(aTHX_ packWARN(WARN_EXEC), "Can't %s \"%s\": %s",
50892819
GS
685 (exectype == EXECF_EXEC ? "exec" : "spawn"),
686 cmd, strerror(errno));
687 status = 255 * 256;
688 }
689 else
690 status *= 256;
b28d0864 691 PL_statusvalue = status;
5aabfad6 692 }
50892819 693 return (status);
0a753a76
PP
694}
695
6890e559 696int
54725af6 697Perl_do_spawn(pTHX_ char *cmd)
6890e559 698{
54725af6 699 return do_spawn2(aTHX_ cmd, EXECF_SPAWN);
6890e559
GS
700}
701
2d7a9237 702int
54725af6 703Perl_do_spawn_nowait(pTHX_ char *cmd)
2d7a9237 704{
54725af6 705 return do_spawn2(aTHX_ cmd, EXECF_SPAWN_NOWAIT);
2d7a9237
GS
706}
707
6890e559 708bool
4f63d024 709Perl_do_exec(pTHX_ char *cmd)
6890e559 710{
54725af6 711 do_spawn2(aTHX_ cmd, EXECF_EXEC);
6890e559
GS
712 return FALSE;
713}
714
68dc0745
PP
715/* The idea here is to read all the directory names into a string table
716 * (separated by nulls) and when one of the other dir functions is called
717 * return the pointer to the current file name.
718 */
c5be433b 719DllExport DIR *
ce2e26e5 720win32_opendir(char *filename)
0a753a76 721{
acfe0abc 722 dTHX;
95136add 723 DIR *dirp;
9404a519
GS
724 long len;
725 long idx;
726 char scanname[MAX_PATH+3];
c623ac67 727 Stat_t sbuf;
7fac1903
GS
728 WIN32_FIND_DATAA aFindData;
729 WIN32_FIND_DATAW wFindData;
9404a519 730 HANDLE fh;
7fac1903 731 char buffer[MAX_PATH*2];
82867ecf 732 WCHAR wbuffer[MAX_PATH+1];
95136add 733 char* ptr;
9404a519
GS
734
735 len = strlen(filename);
736 if (len > MAX_PATH)
737 return NULL;
68dc0745
PP
738
739 /* check to see if filename is a directory */
69d3ab13 740 if (win32_stat(filename, &sbuf) < 0 || !S_ISDIR(sbuf.st_mode))
24caa93f 741 return NULL;
68dc0745 742
68dc0745 743 /* Get us a DIR structure */
95136add 744 Newz(1303, dirp, 1, DIR);
68dc0745
PP
745
746 /* Create the search pattern */
747 strcpy(scanname, filename);
23db2e2d
GS
748
749 /* bare drive name means look in cwd for drive */
750 if (len == 2 && isALPHA(scanname[0]) && scanname[1] == ':') {
751 scanname[len++] = '.';
752 scanname[len++] = '/';
753 }
754 else if (scanname[len-1] != '/' && scanname[len-1] != '\\') {
9404a519 755 scanname[len++] = '/';
23db2e2d 756 }
9404a519
GS
757 scanname[len++] = '*';
758 scanname[len] = '\0';
68dc0745
PP
759
760 /* do the FindFirstFile call */
7fac1903 761 if (USING_WIDE()) {
0cb96387 762 A2WHELPER(scanname, wbuffer, sizeof(wbuffer));
7766f137 763 fh = FindFirstFileW(PerlDir_mapW(wbuffer), &wFindData);
7fac1903
GS
764 }
765 else {
7766f137 766 fh = FindFirstFileA(PerlDir_mapA(scanname), &aFindData);
7fac1903 767 }
95136add 768 dirp->handle = fh;
9404a519 769 if (fh == INVALID_HANDLE_VALUE) {
95136add 770 DWORD err = GetLastError();
21e72512 771 /* FindFirstFile() fails on empty drives! */
95136add
GS
772 switch (err) {
773 case ERROR_FILE_NOT_FOUND:
774 return dirp;
775 case ERROR_NO_MORE_FILES:
776 case ERROR_PATH_NOT_FOUND:
777 errno = ENOENT;
778 break;
779 case ERROR_NOT_ENOUGH_MEMORY:
780 errno = ENOMEM;
781 break;
782 default:
783 errno = EINVAL;
784 break;
785 }
786 Safefree(dirp);
68dc0745
PP
787 return NULL;
788 }
789
790 /* now allocate the first part of the string table for
791 * the filenames that we find.
792 */
7fac1903 793 if (USING_WIDE()) {
0cb96387 794 W2AHELPER(wFindData.cFileName, buffer, sizeof(buffer));
7fac1903
GS
795 ptr = buffer;
796 }
797 else {
798 ptr = aFindData.cFileName;
799 }
800 idx = strlen(ptr)+1;
95136add
GS
801 if (idx < 256)
802 dirp->size = 128;
803 else
804 dirp->size = idx;
805 New(1304, dirp->start, dirp->size, char);
806 strcpy(dirp->start, ptr);
807 dirp->nfiles++;
808 dirp->end = dirp->curr = dirp->start;
809 dirp->end += idx;
810 return dirp;
0a753a76
PP
811}
812
813
68dc0745
PP
814/* Readdir just returns the current string pointer and bumps the
815 * string pointer to the nDllExport entry.
816 */
c5be433b 817DllExport struct direct *
ce2e26e5 818win32_readdir(DIR *dirp)
0a753a76 819{
95136add 820 long len;
0a753a76 821
68dc0745
PP
822 if (dirp->curr) {
823 /* first set up the structure to return */
824 len = strlen(dirp->curr);
0f38926b 825 strcpy(dirp->dirstr.d_name, dirp->curr);
68dc0745 826 dirp->dirstr.d_namlen = len;
0a753a76 827
68dc0745 828 /* Fake an inode */
0f38926b 829 dirp->dirstr.d_ino = dirp->curr - dirp->start;
0a753a76 830
95136add 831 /* Now set up for the next call to readdir */
68dc0745 832 dirp->curr += len + 1;
95136add 833 if (dirp->curr >= dirp->end) {
acfe0abc 834 dTHX;
95136add
GS
835 char* ptr;
836 BOOL res;
837 WIN32_FIND_DATAW wFindData;
838 WIN32_FIND_DATAA aFindData;
839 char buffer[MAX_PATH*2];
840
841 /* finding the next file that matches the wildcard
842 * (which should be all of them in this directory!).
95136add
GS
843 */
844 if (USING_WIDE()) {
845 res = FindNextFileW(dirp->handle, &wFindData);
846 if (res) {
847 W2AHELPER(wFindData.cFileName, buffer, sizeof(buffer));
848 ptr = buffer;
849 }
850 }
851 else {
852 res = FindNextFileA(dirp->handle, &aFindData);
853 if (res)
854 ptr = aFindData.cFileName;
855 }
856 if (res) {
0f38926b
GS
857 long endpos = dirp->end - dirp->start;
858 long newsize = endpos + strlen(ptr) + 1;
95136add 859 /* bump the string table size by enough for the
022735b4 860 * new name and its null terminator */
0f38926b
GS
861 while (newsize > dirp->size) {
862 long curpos = dirp->curr - dirp->start;
95136add
GS
863 dirp->size *= 2;
864 Renew(dirp->start, dirp->size, char);
0f38926b 865 dirp->curr = dirp->start + curpos;
95136add 866 }
0f38926b
GS
867 strcpy(dirp->start + endpos, ptr);
868 dirp->end = dirp->start + newsize;
95136add
GS
869 dirp->nfiles++;
870 }
871 else
872 dirp->curr = NULL;
68dc0745 873 }
68dc0745 874 return &(dirp->dirstr);
3fadfdf1 875 }
68dc0745
PP
876 else
877 return NULL;
0a753a76
PP
878}
879
68dc0745 880/* Telldir returns the current string pointer position */
c5be433b 881DllExport long
ce2e26e5 882win32_telldir(DIR *dirp)
0a753a76 883{
95136add 884 return (dirp->curr - dirp->start);
0a753a76
PP
885}
886
887
68dc0745 888/* Seekdir moves the string pointer to a previously saved position
95136add 889 * (returned by telldir).
68dc0745 890 */
c5be433b 891DllExport void
ce2e26e5 892win32_seekdir(DIR *dirp, long loc)
0a753a76 893{
95136add 894 dirp->curr = dirp->start + loc;
0a753a76
PP
895}
896
68dc0745 897/* Rewinddir resets the string pointer to the start */
c5be433b 898DllExport void
ce2e26e5 899win32_rewinddir(DIR *dirp)
0a753a76
PP
900{
901 dirp->curr = dirp->start;
902}
903
68dc0745 904/* free the memory allocated by opendir */
c5be433b 905DllExport int
ce2e26e5 906win32_closedir(DIR *dirp)
0a753a76 907{
acfe0abc 908 dTHX;
95136add 909 if (dirp->handle != INVALID_HANDLE_VALUE)
0f38926b 910 FindClose(dirp->handle);
0a753a76
PP
911 Safefree(dirp->start);
912 Safefree(dirp);
68dc0745 913 return 1;
0a753a76
PP
914}
915
916
68dc0745
PP
917/*
918 * various stubs
919 */
0a753a76
PP
920
921
68dc0745
PP
922/* Ownership
923 *
924 * Just pretend that everyone is a superuser. NT will let us know if
925 * we don\'t really have permission to do something.
926 */
0a753a76
PP
927
928#define ROOT_UID ((uid_t)0)
929#define ROOT_GID ((gid_t)0)
930
68dc0745
PP
931uid_t
932getuid(void)
0a753a76 933{
68dc0745 934 return ROOT_UID;
0a753a76
PP
935}
936
68dc0745
PP
937uid_t
938geteuid(void)
0a753a76 939{
68dc0745 940 return ROOT_UID;
0a753a76
PP
941}
942
68dc0745
PP
943gid_t
944getgid(void)
0a753a76 945{
68dc0745 946 return ROOT_GID;
0a753a76
PP
947}
948
68dc0745
PP
949gid_t
950getegid(void)
0a753a76 951{
68dc0745 952 return ROOT_GID;
0a753a76
PP
953}
954
68dc0745 955int
22239a37 956setuid(uid_t auid)
3fadfdf1 957{
22239a37 958 return (auid == ROOT_UID ? 0 : -1);
0a753a76
PP
959}
960
68dc0745 961int
22239a37 962setgid(gid_t agid)
0a753a76 963{
22239a37 964 return (agid == ROOT_GID ? 0 : -1);
0a753a76
PP
965}
966
e34ffe5a
GS
967char *
968getlogin(void)
969{
acfe0abc 970 dTHX;
3352bfcb
GS
971 char *buf = w32_getlogin_buffer;
972 DWORD size = sizeof(w32_getlogin_buffer);
e34ffe5a
GS
973 if (GetUserName(buf,&size))
974 return buf;
975 return (char*)NULL;
976}
977
b990f8c8
GS
978int
979chown(const char *path, uid_t owner, gid_t group)
980{
981 /* XXX noop */
1c1c7f20 982 return 0;
b990f8c8
GS
983}
984
00b02797
JH
985/*
986 * XXX this needs strengthening (for PerlIO)
987 * -- BKS, 11-11-200
988*/
989int mkstemp(const char *path)
990{
991 dTHX;
992 char buf[MAX_PATH+1];
993 int i = 0, fd = -1;
994
995retry:
996 if (i++ > 10) { /* give up */
997 errno = ENOENT;
998 return -1;
999 }
1000 if (!GetTempFileNameA((LPCSTR)path, "plr", 1, buf)) {
1001 errno = ENOENT;
1002 return -1;
1003 }
1004 fd = PerlLIO_open3(buf, O_CREAT|O_RDWR|O_EXCL, 0600);
1005 if (fd == -1)
1006 goto retry;
1007 return fd;
1008}
1009
0aaad0ff
GS
1010static long
1011find_pid(int pid)
0a753a76 1012{
acfe0abc 1013 dTHX;
7766f137
GS
1014 long child = w32_num_children;
1015 while (--child >= 0) {
eb160463 1016 if ((int)w32_child_pids[child] == pid)
0aaad0ff
GS
1017 return child;
1018 }
1019 return -1;
1020}
1021
1022static void
1023remove_dead_process(long child)
1024{
1025 if (child >= 0) {
acfe0abc 1026 dTHX;
0aaad0ff 1027 CloseHandle(w32_child_handles[child]);
c00206c8 1028 Move(&w32_child_handles[child+1], &w32_child_handles[child],
0aaad0ff 1029 (w32_num_children-child-1), HANDLE);
c00206c8 1030 Move(&w32_child_pids[child+1], &w32_child_pids[child],
0aaad0ff
GS
1031 (w32_num_children-child-1), DWORD);
1032 w32_num_children--;
f55ee38a 1033 }
f55ee38a
GS
1034}
1035
7766f137
GS
1036#ifdef USE_ITHREADS
1037static long
1038find_pseudo_pid(int pid)
1039{
acfe0abc 1040 dTHX;
7766f137
GS
1041 long child = w32_num_pseudo_children;
1042 while (--child >= 0) {
eb160463 1043 if ((int)w32_pseudo_child_pids[child] == pid)
7766f137
GS
1044 return child;
1045 }
1046 return -1;
1047}
1048
1049static void
1050remove_dead_pseudo_process(long child)
1051{
1052 if (child >= 0) {
acfe0abc 1053 dTHX;
7766f137 1054 CloseHandle(w32_pseudo_child_handles[child]);
c00206c8 1055 Move(&w32_pseudo_child_handles[child+1], &w32_pseudo_child_handles[child],
7766f137 1056 (w32_num_pseudo_children-child-1), HANDLE);
c00206c8 1057 Move(&w32_pseudo_child_pids[child+1], &w32_pseudo_child_pids[child],
7766f137
GS
1058 (w32_num_pseudo_children-child-1), DWORD);
1059 w32_num_pseudo_children--;
1060 }
1061}
1062#endif
1063
f55ee38a
GS
1064DllExport int
1065win32_kill(int pid, int sig)
1066{
acfe0abc 1067 dTHX;
0aaad0ff 1068 HANDLE hProcess;
c66b022d 1069 long child;
7766f137
GS
1070#ifdef USE_ITHREADS
1071 if (pid < 0) {
1072 /* it is a pseudo-forked child */
c66b022d 1073 child = find_pseudo_pid(-pid);
7766f137
GS
1074 if (child >= 0) {
1075 hProcess = w32_pseudo_child_handles[child];
7e5f34c0
NIS
1076 switch (sig) {
1077 case 0:
c843839f 1078 /* "Does process exist?" use of kill */
7766f137 1079 return 0;
7e5f34c0
NIS
1080 case 9:
1081 /* kill -9 style un-graceful exit */
1082 if (TerminateThread(hProcess, sig)) {
1083 remove_dead_pseudo_process(child);
1084 return 0;
1085 }
1086 break;
1087 default:
fb6be350
NK
1088 /* We fake signals to pseudo-processes using Win32
1089 * message queue. In Win9X the pids are negative already. */
1090 if (PostThreadMessage(IsWin95() ? pid : -pid,WM_USER,sig,0)) {
3fadfdf1 1091 /* It might be us ... */
7e5f34c0
NIS
1092 PERL_ASYNC_CHECK();
1093 return 0;
1094 }
1095 break;
1096 }
7766f137 1097 }
922b1888
GS
1098 else if (IsWin95()) {
1099 pid = -pid;
1100 goto alien_process;
1101 }
68dc0745 1102 }
7766f137
GS
1103 else
1104#endif
1105 {
c66b022d 1106 child = find_pid(pid);
7766f137 1107 if (child >= 0) {
7e5f34c0
NIS
1108 hProcess = w32_child_handles[child];
1109 switch(sig) {
1110 case 0:
c843839f 1111 /* "Does process exist?" use of kill */
7766f137 1112 return 0;
7e5f34c0
NIS
1113 case 2:
1114 if (GenerateConsoleCtrlEvent(CTRL_C_EVENT,pid))
1115 return 0;
1116 break;
c843839f 1117 default: /* For now be backwards compatible with perl5.6 */
7e5f34c0
NIS
1118 case 9:
1119 if (TerminateProcess(hProcess, sig)) {
1120 remove_dead_process(child);
1121 return 0;
1122 }
1123 break;
1124 }
7766f137
GS
1125 }
1126 else {
922b1888
GS
1127alien_process:
1128 hProcess = OpenProcess(PROCESS_ALL_ACCESS, TRUE,
1129 (IsWin95() ? -pid : pid));
42b8b86c 1130 if (hProcess) {
7e5f34c0
NIS
1131 switch(sig) {
1132 case 0:
c843839f 1133 /* "Does process exist?" use of kill */
42b8b86c 1134 return 0;
7e5f34c0
NIS
1135 case 2:
1136 if (GenerateConsoleCtrlEvent(CTRL_C_EVENT,pid))
1137 return 0;
1138 break;
c843839f 1139 default: /* For now be backwards compatible with perl5.6 */
7e5f34c0
NIS
1140 case 9:
1141 if (TerminateProcess(hProcess, sig)) {
1142 CloseHandle(hProcess);
1143 return 0;
1144 }
42b8b86c 1145 }
7766f137
GS
1146 }
1147 }
1148 }
1149 errno = EINVAL;
1150 return -1;
0a753a76 1151}
fbbbcc48 1152
68dc0745 1153DllExport int
c623ac67 1154win32_stat(const char *path, Stat_t *sbuf)
0a753a76 1155{
acfe0abc 1156 dTHX;
3fadfdf1 1157 char buffer[MAX_PATH+1];
68dc0745 1158 int l = strlen(path);
67fbe06e 1159 int res;
82867ecf 1160 WCHAR wbuffer[MAX_PATH+1];
e9ff6d27 1161 WCHAR* pwbuffer;
6b980173
JD
1162 HANDLE handle;
1163 int nlink = 1;
0a753a76 1164
68dc0745
PP
1165 if (l > 1) {
1166 switch(path[l - 1]) {
e1dbac94
GS
1167 /* FindFirstFile() and stat() are buggy with a trailing
1168 * backslash, so change it to a forward slash :-( */
68dc0745 1169 case '\\':
426c1a18
GS
1170 strncpy(buffer, path, l-1);
1171 buffer[l - 1] = '/';
1172 buffer[l] = '\0';
1173 path = buffer;
e1dbac94 1174 break;
23db2e2d 1175 /* FindFirstFile() is buggy with "x:", so add a dot :-( */
e1dbac94
GS
1176 case ':':
1177 if (l == 2 && isALPHA(path[0])) {
426c1a18
GS
1178 buffer[0] = path[0];
1179 buffer[1] = ':';
1180 buffer[2] = '.';
1181 buffer[3] = '\0';
e1dbac94 1182 l = 3;
426c1a18 1183 path = buffer;
e1dbac94
GS
1184 }
1185 break;
68dc0745
PP
1186 }
1187 }
6b980173
JD
1188
1189 /* We *must* open & close the file once; otherwise file attribute changes */
1190 /* might not yet have propagated to "other" hard links of the same file. */
1191 /* This also gives us an opportunity to determine the number of links. */
7fac1903 1192 if (USING_WIDE()) {
0cb96387 1193 A2WHELPER(path, wbuffer, sizeof(wbuffer));
e9ff6d27
GS
1194 pwbuffer = PerlDir_mapW(wbuffer);
1195 handle = CreateFileW(pwbuffer, 0, 0, NULL, OPEN_EXISTING, 0, NULL);
7fac1903
GS
1196 }
1197 else {
e9ff6d27
GS
1198 path = PerlDir_mapA(path);
1199 l = strlen(path);
1200 handle = CreateFileA(path, 0, 0, NULL, OPEN_EXISTING, 0, NULL);
6b980173
JD
1201 }
1202 if (handle != INVALID_HANDLE_VALUE) {
1203 BY_HANDLE_FILE_INFORMATION bhi;
1204 if (GetFileInformationByHandle(handle, &bhi))
1205 nlink = bhi.nNumberOfLinks;
1206 CloseHandle(handle);
7fac1903 1207 }
6b980173 1208
e9ff6d27 1209 /* pwbuffer or path will be mapped correctly above */
7766f137 1210 if (USING_WIDE()) {
c623ac67
GS
1211#if defined(WIN64) || defined(USE_LARGE_FILES)
1212 res = _wstati64(pwbuffer, sbuf);
1213#else
eb160463 1214 res = _wstat(pwbuffer, (struct _stat*)sbuf);
c623ac67 1215#endif
7766f137
GS
1216 }
1217 else {
c623ac67
GS
1218#if defined(WIN64) || defined(USE_LARGE_FILES)
1219 res = _stati64(path, sbuf);
1220#else
e9ff6d27 1221 res = stat(path, sbuf);
c623ac67 1222#endif
7766f137 1223 }
426c1a18 1224 sbuf->st_nlink = nlink;
6b980173 1225
24caa93f
GS
1226 if (res < 0) {
1227 /* CRT is buggy on sharenames, so make sure it really isn't.
1228 * XXX using GetFileAttributesEx() will enable us to set
426c1a18 1229 * sbuf->st_*time (but note that's not available on the
24caa93f 1230 * Windows of 1995) */
7fac1903
GS
1231 DWORD r;
1232 if (USING_WIDE()) {
e9ff6d27 1233 r = GetFileAttributesW(pwbuffer);
7fac1903
GS
1234 }
1235 else {
e9ff6d27 1236 r = GetFileAttributesA(path);
7fac1903 1237 }
24caa93f 1238 if (r != 0xffffffff && (r & FILE_ATTRIBUTE_DIRECTORY)) {
426c1a18 1239 /* sbuf may still contain old garbage since stat() failed */
c623ac67 1240 Zero(sbuf, 1, Stat_t);
426c1a18 1241 sbuf->st_mode = S_IFDIR | S_IREAD;
24caa93f
GS
1242 errno = 0;
1243 if (!(r & FILE_ATTRIBUTE_READONLY))
426c1a18 1244 sbuf->st_mode |= S_IWRITE | S_IEXEC;
24caa93f
GS
1245 return 0;
1246 }
1247 }
24caa93f 1248 else {
e1dbac94
GS
1249 if (l == 3 && isALPHA(path[0]) && path[1] == ':'
1250 && (path[2] == '\\' || path[2] == '/'))
2293b0e9
AB
1251 {
1252 /* The drive can be inaccessible, some _stat()s are buggy */
7fac1903 1253 if (USING_WIDE()
e9ff6d27
GS
1254 ? !GetVolumeInformationW(pwbuffer,NULL,0,NULL,NULL,NULL,NULL,0)
1255 : !GetVolumeInformationA(path,NULL,0,NULL,NULL,NULL,NULL,0)) {
2293b0e9
AB
1256 errno = ENOENT;
1257 return -1;
1258 }
1259 }
1260#ifdef __BORLANDC__
426c1a18
GS
1261 if (S_ISDIR(sbuf->st_mode))
1262 sbuf->st_mode |= S_IWRITE | S_IEXEC;
1263 else if (S_ISREG(sbuf->st_mode)) {
d0650a05 1264 int perms;
67fbe06e
GS
1265 if (l >= 4 && path[l-4] == '.') {
1266 const char *e = path + l - 3;
1267 if (strnicmp(e,"exe",3)
1268 && strnicmp(e,"bat",3)
1269 && strnicmp(e,"com",3)
1270 && (IsWin95() || strnicmp(e,"cmd",3)))
426c1a18 1271 sbuf->st_mode &= ~S_IEXEC;
67fbe06e 1272 else
426c1a18 1273 sbuf->st_mode |= S_IEXEC;
67fbe06e
GS
1274 }
1275 else
426c1a18 1276 sbuf->st_mode &= ~S_IEXEC;
d0650a05
GS
1277 /* Propagate permissions to _group_ and _others_ */
1278 perms = sbuf->st_mode & (S_IREAD|S_IWRITE|S_IEXEC);
1279 sbuf->st_mode |= (perms>>3) | (perms>>6);
67fbe06e 1280 }
67fbe06e 1281#endif
2293b0e9 1282 }
67fbe06e 1283 return res;
0a753a76
PP
1284}
1285
bb27e7b6
JH
1286#define isSLASH(c) ((c) == '/' || (c) == '\\')
1287#define SKIP_SLASHES(s) \
1288 STMT_START { \
1289 while (*(s) && isSLASH(*(s))) \
1290 ++(s); \
1291 } STMT_END
1292#define COPY_NONSLASHES(d,s) \
1293 STMT_START { \
1294 while (*(s) && !isSLASH(*(s))) \
1295 *(d)++ = *(s)++; \
1296 } STMT_END
1297
8ac9c18d
GS
1298/* Find the longname of a given path. path is destructively modified.
1299 * It should have space for at least MAX_PATH characters. */
1300DllExport char *
1301win32_longpath(char *path)
1302{
1303 WIN32_FIND_DATA fdata;
1304 HANDLE fhand;
1305 char tmpbuf[MAX_PATH+1];
1306 char *tmpstart = tmpbuf;
1307 char *start = path;
1308 char sep;
1309 if (!path)
1310 return Nullch;
1311
1312 /* drive prefix */
bb27e7b6 1313 if (isALPHA(path[0]) && path[1] == ':') {
8ac9c18d
GS
1314 start = path + 2;
1315 *tmpstart++ = path[0];
1316 *tmpstart++ = ':';
1317 }
1318 /* UNC prefix */
bb27e7b6 1319 else if (isSLASH(path[0]) && isSLASH(path[1])) {
8ac9c18d 1320 start = path + 2;
52fcf7ee
GS
1321 *tmpstart++ = path[0];
1322 *tmpstart++ = path[1];
bb27e7b6
JH
1323 SKIP_SLASHES(start);
1324 COPY_NONSLASHES(tmpstart,start); /* copy machine name */
8ac9c18d 1325 if (*start) {
bb27e7b6
JH
1326 *tmpstart++ = *start++;
1327 SKIP_SLASHES(start);
1328 COPY_NONSLASHES(tmpstart,start); /* copy share name */
8ac9c18d
GS
1329 }
1330 }
8ac9c18d 1331 *tmpstart = '\0';
bb27e7b6
JH
1332 while (*start) {
1333 /* copy initial slash, if any */
1334 if (isSLASH(*start)) {
1335 *tmpstart++ = *start++;
1336 *tmpstart = '\0';
1337 SKIP_SLASHES(start);
1338 }
1339
1340 /* FindFirstFile() expands "." and "..", so we need to pass
1341 * those through unmolested */
1342 if (*start == '.'
1343 && (!start[1] || isSLASH(start[1])
1344 || (start[1] == '.' && (!start[2] || isSLASH(start[2])))))
1345 {
1346 COPY_NONSLASHES(tmpstart,start); /* copy "." or ".." */
1347 *tmpstart = '\0';
1348 continue;
1349 }
1350
1351 /* if this is the end, bust outta here */
1352 if (!*start)
1353 break;
8ac9c18d 1354
bb27e7b6
JH
1355 /* now we're at a non-slash; walk up to next slash */
1356 while (*start && !isSLASH(*start))
8ac9c18d 1357 ++start;
8ac9c18d
GS
1358
1359 /* stop and find full name of component */
bb27e7b6 1360 sep = *start;
8ac9c18d
GS
1361 *start = '\0';
1362 fhand = FindFirstFile(path,&fdata);
bb27e7b6 1363 *start = sep;
8ac9c18d 1364 if (fhand != INVALID_HANDLE_VALUE) {
bb27e7b6
JH
1365 STRLEN len = strlen(fdata.cFileName);
1366 if ((STRLEN)(tmpbuf + sizeof(tmpbuf) - tmpstart) > len) {
1367 strcpy(tmpstart, fdata.cFileName);
1368 tmpstart += len;
1369 FindClose(fhand);
1370 }
1371 else {
1372 FindClose(fhand);
1373 errno = ERANGE;
1374 return Nullch;
1375 }
8ac9c18d
GS
1376 }
1377 else {
1378 /* failed a step, just return without side effects */
bf49b057 1379 /*PerlIO_printf(Perl_debug_log, "Failed to find %s\n", path);*/
bb27e7b6 1380 errno = EINVAL;
8ac9c18d
GS
1381 return Nullch;
1382 }
1383 }
1384 strcpy(path,tmpbuf);
1385 return path;
1386}
1387
0551aaa8
GS
1388DllExport char *
1389win32_getenv(const char *name)
1390{
acfe0abc 1391 dTHX;
82867ecf 1392 WCHAR wBuffer[MAX_PATH+1];
0551aaa8 1393 DWORD needlen;
51371543 1394 SV *curitem = Nullsv;
58a50f62 1395
7fac1903 1396 if (USING_WIDE()) {
0cb96387 1397 A2WHELPER(name, wBuffer, sizeof(wBuffer));
51371543 1398 needlen = GetEnvironmentVariableW(wBuffer, NULL, 0);
7fac1903
GS
1399 }
1400 else
51371543 1401 needlen = GetEnvironmentVariableA(name,NULL,0);
58a50f62 1402 if (needlen != 0) {
51371543 1403 curitem = sv_2mortal(newSVpvn("", 0));
7fac1903 1404 if (USING_WIDE()) {
51371543
GS
1405 SV *acuritem;
1406 do {
1407 SvGROW(curitem, (needlen+1)*sizeof(WCHAR));
1408 needlen = GetEnvironmentVariableW(wBuffer,
1409 (WCHAR*)SvPVX(curitem),
1410 needlen);
1411 } while (needlen >= SvLEN(curitem)/sizeof(WCHAR));
c5be433b 1412 SvCUR_set(curitem, (needlen*sizeof(WCHAR))+1);
51371543
GS
1413 acuritem = sv_2mortal(newSVsv(curitem));
1414 W2AHELPER((WCHAR*)SvPVX(acuritem), SvPVX(curitem), SvCUR(curitem));
7fac1903
GS
1415 }
1416 else {
51371543
GS
1417 do {
1418 SvGROW(curitem, needlen+1);
1419 needlen = GetEnvironmentVariableA(name,SvPVX(curitem),
1420 needlen);
1421 } while (needlen >= SvLEN(curitem));
1422 SvCUR_set(curitem, needlen);
58a50f62 1423 }
0551aaa8 1424 }
c934e9d4 1425 else {
7a5f8e82 1426 /* allow any environment variables that begin with 'PERL'
c934e9d4 1427 to be stored in the registry */
51371543 1428 if (strncmp(name, "PERL", 4) == 0)
c5be433b 1429 (void)get_regstr(name, &curitem);
c69f6586 1430 }
51371543
GS
1431 if (curitem && SvCUR(curitem))
1432 return SvPVX(curitem);
58a50f62 1433
51371543 1434 return Nullch;
0551aaa8
GS
1435}
1436
ac5c734f
GS
1437DllExport int
1438win32_putenv(const char *name)
1439{
acfe0abc 1440 dTHX;
ac5c734f
GS
1441 char* curitem;
1442 char* val;
7fac1903
GS
1443 WCHAR* wCuritem;
1444 WCHAR* wVal;
1445 int length, relval = -1;
51371543 1446
73c4f7a1 1447 if (name) {
7fac1903
GS
1448 if (USING_WIDE()) {
1449 length = strlen(name)+1;
1450 New(1309,wCuritem,length,WCHAR);
c5be433b 1451 A2WHELPER(name, wCuritem, length*sizeof(WCHAR));
7fac1903 1452 wVal = wcschr(wCuritem, '=');
7766f137 1453 if (wVal) {
7fac1903 1454 *wVal++ = '\0';
7766f137 1455 if (SetEnvironmentVariableW(wCuritem, *wVal ? wVal : NULL))
7fac1903
GS
1456 relval = 0;
1457 }
1458 Safefree(wCuritem);
1459 }
1460 else {
1461 New(1309,curitem,strlen(name)+1,char);
1462 strcpy(curitem, name);
1463 val = strchr(curitem, '=');
7766f137 1464 if (val) {
7fac1903
GS
1465 /* The sane way to deal with the environment.
1466 * Has these advantages over putenv() & co.:
1467 * * enables us to store a truly empty value in the
1468 * environment (like in UNIX).
1469 * * we don't have to deal with RTL globals, bugs and leaks.
1470 * * Much faster.
1471 * Why you may want to enable USE_WIN32_RTL_ENV:
1472 * * environ[] and RTL functions will not reflect changes,
1473 * which might be an issue if extensions want to access
1474 * the env. via RTL. This cuts both ways, since RTL will
1475 * not see changes made by extensions that call the Win32
1476 * functions directly, either.
1477 * GSAR 97-06-07
1478 */
1479 *val++ = '\0';
7766f137 1480 if (SetEnvironmentVariableA(curitem, *val ? val : NULL))
7fac1903
GS
1481 relval = 0;
1482 }
1483 Safefree(curitem);
ac5c734f 1484 }
ac5c734f
GS
1485 }
1486 return relval;
1487}
1488
d55594ae 1489static long
2d7a9237 1490filetime_to_clock(PFILETIME ft)
d55594ae 1491{
7766f137
GS
1492 __int64 qw = ft->dwHighDateTime;
1493 qw <<= 32;
1494 qw |= ft->dwLowDateTime;
1495 qw /= 10000; /* File time ticks at 0.1uS, clock at 1mS */
1496 return (long) qw;
d55594ae
GS
1497}
1498
f3986ebb
GS
1499DllExport int
1500win32_times(struct tms *timebuf)
0a753a76 1501{
d55594ae
GS
1502 FILETIME user;
1503 FILETIME kernel;
1504 FILETIME dummy;
50ee8e5e 1505 clock_t process_time_so_far = clock();
3fadfdf1 1506 if (GetProcessTimes(GetCurrentProcess(), &dummy, &dummy,
d55594ae 1507 &kernel,&user)) {
2d7a9237
GS
1508 timebuf->tms_utime = filetime_to_clock(&user);
1509 timebuf->tms_stime = filetime_to_clock(&kernel);
d55594ae
GS
1510 timebuf->tms_cutime = 0;
1511 timebuf->tms_cstime = 0;
3fadfdf1 1512 } else {
d55594ae 1513 /* That failed - e.g. Win95 fallback to clock() */
50ee8e5e 1514 timebuf->tms_utime = process_time_so_far;
d55594ae
GS
1515 timebuf->tms_stime = 0;
1516 timebuf->tms_cutime = 0;
1517 timebuf->tms_cstime = 0;
1518 }
50ee8e5e 1519 return process_time_so_far;
0a753a76
PP
1520}
1521
9c51cf4c 1522/* fix utime() so it works on directories in NT */
ad0751ec
GS
1523static BOOL
1524filetime_from_time(PFILETIME pFileTime, time_t Time)
1525{
9c51cf4c 1526 struct tm *pTM = localtime(&Time);
ad0751ec 1527 SYSTEMTIME SystemTime;
9c51cf4c 1528 FILETIME LocalTime;
ad0751ec
GS
1529
1530 if (pTM == NULL)
1531 return FALSE;
1532
1533 SystemTime.wYear = pTM->tm_year + 1900;
1534 SystemTime.wMonth = pTM->tm_mon + 1;
1535 SystemTime.wDay = pTM->tm_mday;
1536 SystemTime.wHour = pTM->tm_hour;
1537 SystemTime.wMinute = pTM->tm_min;
1538 SystemTime.wSecond = pTM->tm_sec;
1539 SystemTime.wMilliseconds = 0;
1540
9c51cf4c
GS
1541 return SystemTimeToFileTime(&SystemTime, &LocalTime) &&
1542 LocalFileTimeToFileTime(&LocalTime, pFileTime);
ad0751ec
GS
1543}
1544
1545DllExport int
7766f137
GS
1546win32_unlink(const char *filename)
1547{
acfe0abc 1548 dTHX;
7766f137
GS
1549 int ret;
1550 DWORD attrs;
1551
1552 if (USING_WIDE()) {
82867ecf 1553 WCHAR wBuffer[MAX_PATH+1];
e9ff6d27 1554 WCHAR* pwBuffer;
7766f137
GS
1555
1556 A2WHELPER(filename, wBuffer, sizeof(wBuffer));
e9ff6d27
GS
1557 pwBuffer = PerlDir_mapW(wBuffer);
1558 attrs = GetFileAttributesW(pwBuffer);
c00206c8
GS
1559 if (attrs == 0xFFFFFFFF)
1560 goto fail;
7766f137 1561 if (attrs & FILE_ATTRIBUTE_READONLY) {
e9ff6d27
GS
1562 (void)SetFileAttributesW(pwBuffer, attrs & ~FILE_ATTRIBUTE_READONLY);
1563 ret = _wunlink(pwBuffer);
7766f137 1564 if (ret == -1)
e9ff6d27 1565 (void)SetFileAttributesW(pwBuffer, attrs);
7766f137
GS
1566 }
1567 else
e9ff6d27 1568 ret = _wunlink(pwBuffer);
7766f137
GS
1569 }
1570 else {
e9ff6d27
GS
1571 filename = PerlDir_mapA(filename);
1572 attrs = GetFileAttributesA(filename);
c00206c8
GS
1573 if (attrs == 0xFFFFFFFF)
1574 goto fail;
7766f137 1575 if (attrs & FILE_ATTRIBUTE_READONLY) {
e9ff6d27
GS
1576 (void)SetFileAttributesA(filename, attrs & ~FILE_ATTRIBUTE_READONLY);
1577 ret = unlink(filename);
7766f137 1578 if (ret == -1)
e9ff6d27 1579 (void)SetFileAttributesA(filename, attrs);
7766f137
GS
1580 }
1581 else
e9ff6d27 1582 ret = unlink(filename);
7766f137
GS
1583 }
1584 return ret;
c00206c8
GS
1585fail:
1586 errno = ENOENT;
1587 return -1;
7766f137
GS
1588}
1589
1590DllExport int
3b405fc5 1591win32_utime(const char *filename, struct utimbuf *times)
ad0751ec 1592{
acfe0abc 1593 dTHX;
ad0751ec
GS
1594 HANDLE handle;
1595 FILETIME ftCreate;
1596 FILETIME ftAccess;
1597 FILETIME ftWrite;
1598 struct utimbuf TimeBuffer;
82867ecf 1599 WCHAR wbuffer[MAX_PATH+1];
e9ff6d27 1600 WCHAR* pwbuffer;
ad0751ec 1601
7fac1903
GS
1602 int rc;
1603 if (USING_WIDE()) {
0cb96387 1604 A2WHELPER(filename, wbuffer, sizeof(wbuffer));
e9ff6d27
GS
1605 pwbuffer = PerlDir_mapW(wbuffer);
1606 rc = _wutime(pwbuffer, (struct _utimbuf*)times);
7fac1903
GS
1607 }
1608 else {
e9ff6d27
GS
1609 filename = PerlDir_mapA(filename);
1610 rc = utime(filename, times);
7fac1903 1611 }
ad0751ec
GS
1612 /* EACCES: path specifies directory or readonly file */
1613 if (rc == 0 || errno != EACCES /* || !IsWinNT() */)
1614 return rc;
1615
1616 if (times == NULL) {
1617 times = &TimeBuffer;
1618 time(&times->actime);
1619 times->modtime = times->actime;
1620 }
1621
1622 /* This will (and should) still fail on readonly files */
7fac1903 1623 if (USING_WIDE()) {
e9ff6d27 1624 handle = CreateFileW(pwbuffer, GENERIC_READ | GENERIC_WRITE,
7fac1903
GS
1625 FILE_SHARE_READ | FILE_SHARE_DELETE, NULL,
1626 OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL);
1627 }
1628 else {
e9ff6d27 1629 handle = CreateFileA(filename, GENERIC_READ | GENERIC_WRITE,
7fac1903
GS
1630 FILE_SHARE_READ | FILE_SHARE_DELETE, NULL,
1631 OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL);
1632 }
ad0751ec
GS
1633 if (handle == INVALID_HANDLE_VALUE)
1634 return rc;
1635
1636 if (GetFileTime(handle, &ftCreate, &ftAccess, &ftWrite) &&
1637 filetime_from_time(&ftAccess, times->actime) &&
1638 filetime_from_time(&ftWrite, times->modtime) &&
1639 SetFileTime(handle, &ftCreate, &ftAccess, &ftWrite))
1640 {
1641 rc = 0;
1642 }
1643
1644 CloseHandle(handle);
1645 return rc;
1646}
1647
6e3b076d
JH
1648typedef union {
1649 unsigned __int64 ft_i64;
1650 FILETIME ft_val;
1651} FT_t;
1652
1653#ifdef __GNUC__
1654#define Const64(x) x##LL
1655#else
1656#define Const64(x) x##i64
1657#endif
1658/* Number of 100 nanosecond units from 1/1/1601 to 1/1/1970 */
1659#define EPOCH_BIAS Const64(116444736000000000)
1660
57ab3dfe
GS
1661/* NOTE: This does not compute the timezone info (doing so can be expensive,
1662 * and appears to be unsupported even by glibc) */
1663DllExport int
1664win32_gettimeofday(struct timeval *tp, void *not_used)
1665{
6e3b076d
JH
1666 FT_t ft;
1667
1668 /* this returns time in 100-nanosecond units (i.e. tens of usecs) */
1669 GetSystemTimeAsFileTime(&ft.ft_val);
1670
1671 /* seconds since epoch */
1672 tp->tv_sec = (long)((ft.ft_i64 - EPOCH_BIAS) / Const64(10000000));
1673
1674 /* microseconds remaining */
1675 tp->tv_usec = (long)((ft.ft_i64 / Const64(10)) % Const64(1000000));
1676
1677 return 0;
57ab3dfe
GS
1678}
1679
2d7a9237 1680DllExport int
b2af26b1
GS
1681win32_uname(struct utsname *name)
1682{
1683 struct hostent *hep;
1684 STRLEN nodemax = sizeof(name->nodename)-1;
1685 OSVERSIONINFO osver;
1686
1687 memset(&osver, 0, sizeof(OSVERSIONINFO));
1688 osver.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
1689 if (GetVersionEx(&osver)) {
1690 /* sysname */
1691 switch (osver.dwPlatformId) {
1692 case VER_PLATFORM_WIN32_WINDOWS:
1693 strcpy(name->sysname, "Windows");
1694 break;
1695 case VER_PLATFORM_WIN32_NT:
1696 strcpy(name->sysname, "Windows NT");
1697 break;
1698 case VER_PLATFORM_WIN32s:
1699 strcpy(name->sysname, "Win32s");
1700 break;
1701 default:
1702 strcpy(name->sysname, "Win32 Unknown");
1703 break;
1704 }
1705
cf6cacac
GS
1706 /* release */
1707 sprintf(name->release, "%d.%d",
b2af26b1
GS
1708 osver.dwMajorVersion, osver.dwMinorVersion);
1709
cf6cacac
GS
1710 /* version */
1711 sprintf(name->version, "Build %d",
b2af26b1
GS
1712 osver.dwPlatformId == VER_PLATFORM_WIN32_NT
1713 ? osver.dwBuildNumber : (osver.dwBuildNumber & 0xffff));
1714 if (osver.szCSDVersion[0]) {
cf6cacac 1715 char *buf = name->version + strlen(name->version);
b2af26b1
GS
1716 sprintf(buf, " (%s)", osver.szCSDVersion);
1717 }
1718 }
1719 else {
1720 *name->sysname = '\0';
1721 *name->version = '\0';
1722 *name->release = '\0';
1723 }
1724
1725 /* nodename */
1726 hep = win32_gethostbyname("localhost");
1727 if (hep) {
1728 STRLEN len = strlen(hep->h_name);
1729 if (len <= nodemax) {
1730 strcpy(name->nodename, hep->h_name);
1731 }
1732 else {
1733 strncpy(name->nodename, hep->h_name, nodemax);
1734 name->nodename[nodemax] = '\0';
1735 }
1736 }
1737 else {
1738 DWORD sz = nodemax;
1739 if (!GetComputerName(name->nodename, &sz))
1740 *name->nodename = '\0';
1741 }
1742
1743 /* machine (architecture) */
1744 {
1745 SYSTEM_INFO info;
fe537c65 1746 DWORD procarch;
b2af26b1
GS
1747 char *arch;
1748 GetSystemInfo(&info);
a6c40364 1749
6f24f39d
JK
1750#if (defined(__BORLANDC__)&&(__BORLANDC__<=0x520)) \
1751 || (defined(__MINGW32__) && !defined(_ANONYMOUS_UNION))
fe537c65 1752 procarch = info.u.s.wProcessorArchitecture;
a6c40364 1753#else
fe537c65 1754 procarch = info.wProcessorArchitecture;
a6c40364 1755#endif
fe537c65 1756 switch (procarch) {
b2af26b1
GS
1757 case PROCESSOR_ARCHITECTURE_INTEL:
1758 arch = "x86"; break;
1759 case PROCESSOR_ARCHITECTURE_MIPS:
1760 arch = "mips"; break;
1761 case PROCESSOR_ARCHITECTURE_ALPHA:
1762 arch = "alpha"; break;
1763 case PROCESSOR_ARCHITECTURE_PPC:
1764 arch = "ppc"; break;
fe537c65
GS
1765#ifdef PROCESSOR_ARCHITECTURE_SHX
1766 case PROCESSOR_ARCHITECTURE_SHX:
1767 arch = "shx"; break;
1768#endif
1769#ifdef PROCESSOR_ARCHITECTURE_ARM
1770 case PROCESSOR_ARCHITECTURE_ARM:
1771 arch = "arm"; break;
1772#endif
1773#ifdef PROCESSOR_ARCHITECTURE_IA64
1774 case PROCESSOR_ARCHITECTURE_IA64:
1775 arch = "ia64"; break;
1776#endif
1777#ifdef PROCESSOR_ARCHITECTURE_ALPHA64
1778 case PROCESSOR_ARCHITECTURE_ALPHA64:
1779 arch = "alpha64"; break;
1780#endif
1781#ifdef PROCESSOR_ARCHITECTURE_MSIL
1782 case PROCESSOR_ARCHITECTURE_MSIL:
1783 arch = "msil"; break;
1784#endif
1785#ifdef PROCESSOR_ARCHITECTURE_AMD64
1786 case PROCESSOR_ARCHITECTURE_AMD64:
1787 arch = "amd64"; break;
1788#endif
1789#ifdef PROCESSOR_ARCHITECTURE_IA32_ON_WIN64
1790 case PROCESSOR_ARCHITECTURE_IA32_ON_WIN64:
1791 arch = "ia32-64"; break;
1792#endif
1793#ifdef PROCESSOR_ARCHITECTURE_UNKNOWN
1794 case PROCESSOR_ARCHITECTURE_UNKNOWN:
b2af26b1 1795 arch = "unknown"; break;
fe537c65
GS
1796#endif
1797 default:
1798 sprintf(name->machine, "unknown(0x%x)", procarch);
1799 arch = name->machine;
1800 break;
b2af26b1 1801 }
fe537c65
GS
1802 if (name->machine != arch)
1803 strcpy(name->machine, arch);
b2af26b1
GS
1804 }
1805 return 0;
1806}
1807
8fb3fcfb
NIS
1808/* Timing related stuff */
1809
3fadfdf1
NIS
1810int
1811do_raise(pTHX_ int sig)
1812{
1813 if (sig < SIG_SIZE) {
1814 Sighandler_t handler = w32_sighandler[sig];
1815 if (handler == SIG_IGN) {
1816 return 0;
1817 }
1818 else if (handler != SIG_DFL) {
1819 (*handler)(sig);
1820 return 0;
1821 }
1822 else {
1823 /* Choose correct default behaviour */
1824 switch (sig) {
1825#ifdef SIGCLD
1826 case SIGCLD:
1827#endif
1828#ifdef SIGCHLD
1829 case SIGCHLD:
1830#endif
1831 case 0:
1832 return 0;
1833 case SIGTERM:
1834 default:
1835 break;
1836 }
1837 }
1838 }
1839 /* Tell caller to exit thread/process as approriate */
1840 return 1;
1841}
1842
1843void
1844sig_terminate(pTHX_ int sig)
1845{
1846 Perl_warn(aTHX_ "Terminating on signal SIG%s(%d)\n",PL_sig_name[sig], sig);
1847 /* exit() seems to be safe, my_exit() or die() is a problem in ^C
1848 thread
1849 */
1850 exit(sig);
1851}
1852
8fb3fcfb
NIS
1853DllExport int
1854win32_async_check(pTHX)
1855{
1856 MSG msg;
1857 int ours = 1;
7e5f34c0
NIS
1858 /* Passing PeekMessage -1 as HWND (2nd arg) only get PostThreadMessage() messages
1859 * and ignores window messages - should co-exist better with windows apps e.g. Tk
3fadfdf1 1860 */
222c300a 1861 while (PeekMessage(&msg, (HWND)-1, 0, 0, PM_REMOVE|PM_NOYIELD)) {
3fadfdf1 1862 int sig;
8fb3fcfb
NIS
1863 switch(msg.message) {
1864
7e5f34c0
NIS
1865#if 0
1866 /* Perhaps some other messages could map to signals ? ... */
1867 case WM_CLOSE:
3fadfdf1 1868 case WM_QUIT:
7e5f34c0 1869 /* Treat WM_QUIT like SIGHUP? */
3fadfdf1
NIS
1870 sig = SIGHUP;
1871 goto Raise;
7e5f34c0
NIS
1872 break;
1873#endif
1874
c843839f 1875 /* We use WM_USER to fake kill() with other signals */
8fb3fcfb 1876 case WM_USER: {
3fadfdf1
NIS
1877 sig = msg.wParam;
1878 Raise:
1879 if (do_raise(aTHX_ sig)) {
1880 sig_terminate(aTHX_ sig);
1881 }
8fb3fcfb
NIS
1882 break;
1883 }
3fadfdf1 1884
8fb3fcfb
NIS
1885 case WM_TIMER: {
1886 /* alarm() is a one-shot but SetTimer() repeats so kill it */
222c300a
NIS
1887 if (w32_timerid) {
1888 KillTimer(NULL,w32_timerid);
3fadfdf1
NIS
1889 w32_timerid=0;
1890 }
8fb3fcfb 1891 /* Now fake a call to signal handler */
3fadfdf1
NIS
1892 if (do_raise(aTHX_ 14)) {
1893 sig_terminate(aTHX_ 14);
1894 }
8fb3fcfb
NIS
1895 break;
1896 }
1897
1898 /* Otherwise do normal Win32 thing - in case it is useful */
1899 default:
1900 TranslateMessage(&msg);
1901 DispatchMessage(&msg);
1902 ours = 0;
1903 break;
1904 }
1905 }
05ec9bb3 1906 w32_poll_count = 0;
8fb3fcfb 1907
7e5f34c0 1908 /* Above or other stuff may have set a signal flag */
8fb3fcfb
NIS
1909 if (PL_sig_pending) {
1910 despatch_signals();
1911 }
3fadfdf1 1912 return ours;
8fb3fcfb
NIS
1913}
1914
089197fa
GS
1915/* This function will not return until the timeout has elapsed, or until
1916 * one of the handles is ready. */
8fb3fcfb
NIS
1917DllExport DWORD
1918win32_msgwait(pTHX_ DWORD count, LPHANDLE handles, DWORD timeout, LPDWORD resultp)
1919{
1920 /* We may need several goes at this - so compute when we stop */
1921 DWORD ticks = 0;
1922 if (timeout != INFINITE) {
1923 ticks = GetTickCount();
1924 timeout += ticks;
1925 }
1926 while (1) {
1927 DWORD result = MsgWaitForMultipleObjects(count,handles,FALSE,timeout-ticks, QS_ALLEVENTS);
1928 if (resultp)
1929 *resultp = result;
1930 if (result == WAIT_TIMEOUT) {
3fadfdf1
NIS
1931 /* Ran out of time - explicit return of zero to avoid -ve if we
1932 have scheduling issues
1933 */
8fb3fcfb
NIS
1934 return 0;
1935 }
1936 if (timeout != INFINITE) {
1937 ticks = GetTickCount();
1938 }
1939 if (result == WAIT_OBJECT_0 + count) {
1940 /* Message has arrived - check it */
089197fa 1941 (void)win32_async_check(aTHX);
8fb3fcfb
NIS
1942 }
1943 else {
1944 /* Not timeout or message - one of handles is ready */
1945 break;
1946 }
1947 }
1948 /* compute time left to wait */
1949 ticks = timeout - ticks;
1950 /* If we are past the end say zero */
1951 return (ticks > 0) ? ticks : 0;
1952}
1953
932b7487
RC
1954int
1955win32_internal_wait(int *status, DWORD timeout)
1956{
1957 /* XXX this wait emulation only knows about processes
1958 * spawned via win32_spawnvp(P_NOWAIT, ...).
1959 */
1960 dTHX;
1961 int i, retval;
1962 DWORD exitcode, waitcode;
1963
1964#ifdef USE_ITHREADS
1965 if (w32_num_pseudo_children) {
8fb3fcfb
NIS
1966 win32_msgwait(aTHX_ w32_num_pseudo_children, w32_pseudo_child_handles,
1967 timeout, &waitcode);
932b7487
RC
1968 /* Time out here if there are no other children to wait for. */
1969 if (waitcode == WAIT_TIMEOUT) {
1970 if (!w32_num_children) {
1971 return 0;
1972 }
1973 }
1974 else if (waitcode != WAIT_FAILED) {
1975 if (waitcode >= WAIT_ABANDONED_0
1976 && waitcode < WAIT_ABANDONED_0 + w32_num_pseudo_children)
1977 i = waitcode - WAIT_ABANDONED_0;
1978 else
1979 i = waitcode - WAIT_OBJECT_0;
1980 if (GetExitCodeThread(w32_pseudo_child_handles[i], &exitcode)) {
1981 *status = (int)((exitcode & 0xff) << 8);
1982 retval = (int)w32_pseudo_child_pids[i];
1983 remove_dead_pseudo_process(i);
1984 return -retval;
1985 }
1986 }
1987 }
1988#endif
1989
1990 if (!w32_num_children) {
1991 errno = ECHILD;
1992 return -1;
1993 }
1994
1995 /* if a child exists, wait for it to die */
8fb3fcfb 1996 win32_msgwait(aTHX_ w32_num_children, w32_child_handles, timeout, &waitcode);
932b7487
RC
1997 if (waitcode == WAIT_TIMEOUT) {
1998 return 0;
1999 }
2000 if (waitcode != WAIT_FAILED) {
2001 if (waitcode >= WAIT_ABANDONED_0
2002 && waitcode < WAIT_ABANDONED_0 + w32_num_children)
2003 i = waitcode - WAIT_ABANDONED_0;
2004 else
2005 i = waitcode - WAIT_OBJECT_0;
2006 if (GetExitCodeProcess(w32_child_handles[i], &exitcode) ) {
2007 *status = (int)((exitcode & 0xff) << 8);
2008 retval = (int)w32_child_pids[i];
2009 remove_dead_process(i);
2010 return retval;
2011 }
2012 }
2013
932b7487
RC
2014 errno = GetLastError();
2015 return -1;
2016}
2017
b2af26b1 2018DllExport int
f55ee38a
GS
2019win32_waitpid(int pid, int *status, int flags)
2020{
acfe0abc 2021 dTHX;
922b1888 2022 DWORD timeout = (flags & WNOHANG) ? 0 : INFINITE;
0aaad0ff 2023 int retval = -1;
c66b022d 2024 long child;
7766f137 2025 if (pid == -1) /* XXX threadid == 1 ? */
932b7487 2026 return win32_internal_wait(status, timeout);
7766f137
GS
2027#ifdef USE_ITHREADS
2028 else if (pid < 0) {
c66b022d 2029 child = find_pseudo_pid(-pid);
7766f137
GS
2030 if (child >= 0) {
2031 HANDLE hThread = w32_pseudo_child_handles[child];
8fb3fcfb
NIS
2032 DWORD waitcode;
2033 win32_msgwait(aTHX_ 1, &hThread, timeout, &waitcode);
2f67576d
BC
2034 if (waitcode == WAIT_TIMEOUT) {
2035 return 0;
2036 }
8fb3fcfb 2037 else if (waitcode == WAIT_OBJECT_0) {
7766f137
GS
2038 if (GetExitCodeThread(hThread, &waitcode)) {
2039 *status = (int)((waitcode & 0xff) << 8);
2040 retval = (int)w32_pseudo_child_pids[child];
2041 remove_dead_pseudo_process(child);
68a29c53 2042 return -retval;
7766f137
GS
2043 }
2044 }
2045 else
2046 errno = ECHILD;
2047 }
922b1888
GS
2048 else if (IsWin95()) {
2049 pid = -pid;
2050 goto alien_process;
2051 }
7766f137
GS
2052 }
2053#endif
f55ee38a 2054 else {
922b1888
GS
2055 HANDLE hProcess;
2056 DWORD waitcode;
c66b022d 2057 child = find_pid(pid);
0aaad0ff 2058 if (child >= 0) {
922b1888 2059 hProcess = w32_child_handles[child];
8fb3fcfb 2060 win32_msgwait(aTHX_ 1, &hProcess, timeout, &waitcode);
a7867d0a
GS
2061 if (waitcode == WAIT_TIMEOUT) {
2062 return 0;
2063 }
8fb3fcfb 2064 else if (waitcode == WAIT_OBJECT_0) {
922b1888
GS
2065 if (GetExitCodeProcess(hProcess, &waitcode)) {
2066 *status = (int)((waitcode & 0xff) << 8);
2067 retval = (int)w32_child_pids[child];
2068 remove_dead_process(child);
2069 return retval;
2070 }
a7867d0a 2071 }
0aaad0ff
GS
2072 else
2073 errno = ECHILD;
2074 }
2075 else {
922b1888
GS
2076alien_process:
2077 hProcess = OpenProcess(PROCESS_ALL_ACCESS, TRUE,
2078 (IsWin95() ? -pid : pid));
2079 if (hProcess) {
8fb3fcfb 2080 win32_msgwait(aTHX_ 1, &hProcess, timeout, &waitcode);
922b1888
GS
2081 if (waitcode == WAIT_TIMEOUT) {
2082 return 0;
2083 }
8fb3fcfb 2084 else if (waitcode == WAIT_OBJECT_0) {
922b1888
GS
2085 if (GetExitCodeProcess(hProcess, &waitcode)) {
2086 *status = (int)((waitcode & 0xff) << 8);
2087 CloseHandle(hProcess);
2088 return pid;
2089 }
2090 }
2091 CloseHandle(hProcess);
2092 }
2093 else
2094 errno = ECHILD;
0aaad0ff 2095 }
f55ee38a 2096 }
3fadfdf1 2097 return retval >= 0 ? pid : retval;
f55ee38a
GS
2098}
2099
2100DllExport int
2d7a9237
GS
2101win32_wait(int *status)
2102{
932b7487 2103 return win32_internal_wait(status, INFINITE);
2d7a9237 2104}
d55594ae 2105
8fb3fcfb
NIS
2106DllExport unsigned int
2107win32_sleep(unsigned int t)
d55594ae 2108{
acfe0abc 2109 dTHX;
8fb3fcfb
NIS
2110 /* Win32 times are in ms so *1000 in and /1000 out */
2111 return win32_msgwait(aTHX_ 0, NULL, t*1000, NULL)/1000;
d55594ae
GS
2112}
2113
f3986ebb
GS
2114DllExport unsigned int
2115win32_alarm(unsigned int sec)
0a753a76 2116{
3fadfdf1 2117 /*
d55594ae 2118 * the 'obvious' implentation is SetTimer() with a callback
3fadfdf1
NIS
2119 * which does whatever receiving SIGALRM would do
2120 * we cannot use SIGALRM even via raise() as it is not
d55594ae 2121 * one of the supported codes in <signal.h>
3fadfdf1 2122 */
acfe0abc 2123 dTHX;
8fb3fcfb
NIS
2124 if (sec) {
2125 w32_timerid = SetTimer(NULL,w32_timerid,sec*1000,NULL);
2126 }
2127 else {
2128 if (w32_timerid) {
2129 KillTimer(NULL,w32_timerid);
3fadfdf1 2130 w32_timerid=0;
8fb3fcfb 2131 }
3fadfdf1 2132 }
afe91769 2133 return 0;
0a753a76
PP
2134}
2135
26618a56 2136#ifdef HAVE_DES_FCRYPT
2d77217b 2137extern char * des_fcrypt(const char *txt, const char *salt, char *cbuf);
ff95b63e 2138#endif
26618a56
GS
2139
2140DllExport char *
2141win32_crypt(const char *txt, const char *salt)
2142{
acfe0abc 2143 dTHX;
ff95b63e 2144#ifdef HAVE_DES_FCRYPT
3352bfcb 2145 return des_fcrypt(txt, salt, w32_crypt_buffer);
ff95b63e 2146#else
25dbdbbc 2147 Perl_croak(aTHX_ "The crypt() function is unimplemented due to excessive paranoia.");
b8957cf1 2148 return Nullch;
ff95b63e 2149#endif
26618a56 2150}
26618a56 2151
9e5f57de 2152#ifdef USE_FIXED_OSFHANDLE
390b85e7
GS
2153
2154#define FOPEN 0x01 /* file handle open */
b181b6fb 2155#define FNOINHERIT 0x10 /* file handle opened O_NOINHERIT */
390b85e7
GS
2156#define FAPPEND 0x20 /* file handle opened O_APPEND */
2157#define FDEV 0x40 /* file handle refers to device */
2158#define FTEXT 0x80 /* file handle is in text mode */
2159
390b85e7 2160/***
c623ac67 2161*int my_open_osfhandle(intptr_t osfhandle, int flags) - open C Runtime file handle
390b85e7
GS
2162*
2163*Purpose:
2164* This function allocates a free C Runtime file handle and associates
2165* it with the Win32 HANDLE specified by the first parameter. This is a
9e5f57de
GS
2166* temperary fix for WIN95's brain damage GetFileType() error on socket
2167* we just bypass that call for socket
2168*
2169* This works with MSVC++ 4.0+ or GCC/Mingw32
390b85e7
GS
2170*
2171*Entry:
c623ac67 2172* intptr_t osfhandle - Win32 HANDLE to associate with C Runtime file handle.
390b85e7
GS
2173* int flags - flags to associate with C Runtime file handle.
2174*
2175*Exit:
2176* returns index of entry in fh, if successful
2177* return -1, if no free entry is found
2178*
2179*Exceptions:
2180*
2181*******************************************************************************/
2182
9e5f57de
GS
2183/*
2184 * we fake up some parts of the CRT that aren't exported by MSVCRT.dll
2185 * this lets sockets work on Win9X with GCC and should fix the problems
2186 * with perl95.exe
2187 * -- BKS, 1-23-2000
2188*/
2189
9e5f57de
GS
2190/* create an ioinfo entry, kill its handle, and steal the entry */
2191
b181b6fb
GS
2192static int
2193_alloc_osfhnd(void)
9e5f57de
GS
2194{
2195 HANDLE hF = CreateFile("NUL", 0, 0, NULL, OPEN_ALWAYS, 0, NULL);
c623ac67 2196 int fh = _open_osfhandle((intptr_t)hF, 0);
9e5f57de
GS
2197 CloseHandle(hF);
2198 if (fh == -1)
2199 return fh;
2200 EnterCriticalSection(&(_pioinfo(fh)->lock));
2201 return fh;
2202}
2203
390b85e7 2204static int
c623ac67 2205my_open_osfhandle(intptr_t osfhandle, int flags)
390b85e7
GS
2206{
2207 int fh;
2208 char fileflags; /* _osfile flags */
2209
2210 /* copy relevant flags from second parameter */
2211 fileflags = FDEV;
2212
9404a519 2213 if (flags & O_APPEND)
390b85e7
GS
2214 fileflags |= FAPPEND;
2215
9404a519 2216 if (flags & O_TEXT)
390b85e7
GS
2217 fileflags |= FTEXT;
2218
b181b6fb
GS
2219 if (flags & O_NOINHERIT)
2220 fileflags |= FNOINHERIT;
2221
390b85e7 2222 /* attempt to allocate a C Runtime file handle */
9404a519 2223 if ((fh = _alloc_osfhnd()) == -1) {
390b85e7
GS
2224 errno = EMFILE; /* too many open files */
2225 _doserrno = 0L; /* not an OS error */
2226 return -1; /* return error to caller */
2227 }
2228
2229 /* the file is open. now, set the info in _osfhnd array */
2230 _set_osfhnd(fh, osfhandle);
2231
2232 fileflags |= FOPEN; /* mark as open */
2233
390b85e7 2234 _osfile(fh) = fileflags; /* set osfile entry */
dd8f4818 2235 LeaveCriticalSection(&_pioinfo(fh)->lock);
390b85e7
GS
2236
2237 return fh; /* return handle */
2238}
2239
f3986ebb 2240#endif /* USE_FIXED_OSFHANDLE */
390b85e7
GS
2241
2242/* simulate flock by locking a range on the file */
2243
2244#define LK_ERR(f,i) ((f) ? (i = 0) : (errno = GetLastError()))
2245#define LK_LEN 0xffff0000
2246
f3986ebb
GS
2247DllExport int
2248win32_flock(int fd, int oper)
390b85e7
GS
2249{
2250 OVERLAPPED o;
2251 int i = -1;
2252 HANDLE fh;
2253
f3986ebb 2254 if (!IsWinNT()) {
acfe0abc 2255 dTHX;
4f63d024 2256 Perl_croak_nocontext("flock() unimplemented on this platform");
f3986ebb
GS
2257 return -1;
2258 }
390b85e7
GS
2259 fh = (HANDLE)_get_osfhandle(fd);
2260 memset(&o, 0, sizeof(o));
2261
2262 switch(oper) {
2263 case LOCK_SH: /* shared lock */
2264 LK_ERR(LockFileEx(fh, 0, 0, LK_LEN, 0, &o),i);
2265 break;
2266 case LOCK_EX: /* exclusive lock */
2267 LK_ERR(LockFileEx(fh, LOCKFILE_EXCLUSIVE_LOCK, 0, LK_LEN, 0, &o),i);
2268 break;
2269 case LOCK_SH|LOCK_NB: /* non-blocking shared lock */
2270 LK_ERR(LockFileEx(fh, LOCKFILE_FAIL_IMMEDIATELY, 0, LK_LEN, 0, &o),i);
2271 break;
2272 case LOCK_EX|LOCK_NB: /* non-blocking exclusive lock */
2273 LK_ERR(LockFileEx(fh,
2274 LOCKFILE_EXCLUSIVE_LOCK|LOCKFILE_FAIL_IMMEDIATELY,
2275 0, LK_LEN, 0, &o),i);
2276 break;
2277 case LOCK_UN: /* unlock lock */
2278 LK_ERR(UnlockFileEx(fh, 0, LK_LEN, 0, &o),i);
2279 break;
2280 default: /* unknown */
2281 errno = EINVAL;
2282 break;
2283 }
2284 return i;
2285}
2286
2287#undef LK_ERR
2288#undef LK_LEN
2289
68dc0745
PP
2290/*
2291 * redirected io subsystem for all XS modules
2292 *
2293 */
0a753a76 2294
68dc0745
PP
2295DllExport int *
2296win32_errno(void)
0a753a76 2297{
390b85e7 2298 return (&errno);
0a753a76
PP
2299}
2300
dcb2879a
GS
2301DllExport char ***
2302win32_environ(void)
2303{
390b85e7 2304 return (&(_environ));
dcb2879a
GS
2305}
2306
68dc0745
PP
2307/* the rest are the remapped stdio routines */
2308DllExport FILE *
2309win32_stderr(void)
0a753a76 2310{
390b85e7 2311 return (stderr);
0a753a76
PP
2312}
2313
68dc0745
PP
2314DllExport FILE *
2315win32_stdin(void)
0a753a76 2316{
390b85e7 2317 return (stdin);
0a753a76
PP
2318}
2319
68dc0745
PP
2320DllExport FILE *
2321win32_stdout()
0a753a76 2322{
390b85e7 2323 return (stdout);
0a753a76
PP
2324}
2325
68dc0745
PP
2326DllExport int
2327win32_ferror(FILE *fp)
0a753a76 2328{
390b85e7 2329 return (ferror(fp));
0a753a76
PP
2330}
2331
2332
68dc0745
PP
2333DllExport int
2334win32_feof(FILE *fp)
0a753a76 2335{
390b85e7 2336 return (feof(fp));
0a753a76
PP
2337}
2338
68dc0745 2339/*
3fadfdf1 2340 * Since the errors returned by the socket error function
68dc0745
PP
2341 * WSAGetLastError() are not known by the library routine strerror
2342 * we have to roll our own.
2343 */
0a753a76 2344
68dc0745 2345DllExport char *
3fadfdf1 2346win32_strerror(int e)
0a753a76 2347{
6f24f39d 2348#if !defined __BORLANDC__ && !defined __MINGW32__ /* compiler intolerance */
68dc0745 2349 extern int sys_nerr;
3e3baf6d 2350#endif
68dc0745 2351 DWORD source = 0;
0a753a76 2352
9404a519 2353 if (e < 0 || e > sys_nerr) {
acfe0abc 2354 dTHX;
9404a519 2355 if (e < 0)
68dc0745 2356 e = GetLastError();
0a753a76 2357
9404a519 2358 if (FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, &source, e, 0,
3352bfcb 2359 w32_strerror_buffer,
3fadfdf1 2360 sizeof(w32_strerror_buffer), NULL) == 0)
3352bfcb 2361 strcpy(w32_strerror_buffer, "Unknown Error");
0a753a76 2362
3352bfcb 2363 return w32_strerror_buffer;
68dc0745 2364 }
390b85e7 2365 return strerror(e);
0a753a76
PP
2366}
2367
22fae026 2368DllExport void
c5be433b 2369win32_str_os_error(void *sv, DWORD dwErr)
22fae026
TM
2370{
2371 DWORD dwLen;
2372 char *sMsg;
2373 dwLen = FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER
2374 |FORMAT_MESSAGE_IGNORE_INSERTS
2375 |FORMAT_MESSAGE_FROM_SYSTEM, NULL,
2376 dwErr, 0, (char *)&sMsg, 1, NULL);
2ce77adf 2377 /* strip trailing whitespace and period */
22fae026 2378 if (0 < dwLen) {
2ce77adf
GS
2379 do {
2380 --dwLen; /* dwLen doesn't include trailing null */
2381 } while (0 < dwLen && isSPACE(sMsg[dwLen]));
22fae026
TM
2382 if ('.' != sMsg[dwLen])
2383 dwLen++;
2ce77adf 2384 sMsg[dwLen] = '\0';
22fae026
TM
2385 }
2386 if (0 == dwLen) {
c69f6586 2387 sMsg = (char*)LocalAlloc(0, 64/**sizeof(TCHAR)*/);
db7c17d7
GS
2388 if (sMsg)
2389 dwLen = sprintf(sMsg,
2390 "Unknown error #0x%lX (lookup 0x%lX)",
2391 dwErr, GetLastError());
2392 }
2393 if (sMsg) {
acfe0abc 2394 dTHX;
db7c17d7
GS
2395 sv_setpvn((SV*)sv, sMsg, dwLen);
2396 LocalFree(sMsg);
22fae026 2397 }
22fae026
TM
2398}
2399
68dc0745
PP
2400DllExport int
2401win32_fprintf(FILE *fp, const char *format, ...)
0a753a76 2402{
68dc0745
PP
2403 va_list marker;
2404 va_start(marker, format); /* Initialize variable arguments. */
0a753a76 2405
390b85e7 2406 return (vfprintf(fp, format, marker));
0a753a76
PP
2407}
2408
68dc0745
PP
2409DllExport int
2410win32_printf(const char *format, ...)
0a753a76 2411{
68dc0745
PP
2412 va_list marker;
2413 va_start(marker, format); /* Initialize variable arguments. */
0a753a76 2414
390b85e7 2415 return (vprintf(format, marker));
0a753a76
PP
2416}
2417
68dc0745
PP
2418DllExport int
2419win32_vfprintf(FILE *fp, const char *format, va_list args)
0a753a76 2420{
390b85e7 2421 return (vfprintf(fp, format, args));
0a753a76
PP
2422}
2423
96e4d5b1
PP
2424DllExport int
2425win32_vprintf(const char *format, va_list args)
2426{
390b85e7 2427 return (vprintf(format, args));
96e4d5b1
PP
2428}
2429
68dc0745
PP
2430DllExport size_t
2431win32_fread(void *buf, size_t size, size_t count, FILE *fp)
0a753a76 2432{
390b85e7 2433 return fread(buf, size, count, fp);
0a753a76
PP
2434}
2435
68dc0745
PP
2436DllExport size_t
2437win32_fwrite(const void *buf, size_t size, size_t count, FILE *fp)
0a753a76 2438{
390b85e7 2439 return fwrite(buf, size, count, fp);
0a753a76
PP
2440}
2441
7fac1903
GS
2442#define MODE_SIZE 10
2443
68dc0745
PP
2444DllExport FILE *
2445win32_fopen(const char *filename, const char *mode)
0a753a76 2446{
acfe0abc 2447 dTHX;
82867ecf 2448 WCHAR wMode[MODE_SIZE], wBuffer[MAX_PATH+1];
1c5905c2 2449 FILE *f;
3fadfdf1 2450
c5be433b
GS
2451 if (!*filename)
2452 return NULL;
2453
68dc0745 2454 if (stricmp(filename, "/dev/null")==0)
7fac1903
GS
2455 filename = "NUL";
2456
2457 if (USING_WIDE()) {
0cb96387
GS
2458 A2WHELPER(mode, wMode, sizeof(wMode));
2459 A2WHELPER(filename, wBuffer, sizeof(wBuffer));
1c5905c2 2460 f = _wfopen(PerlDir_mapW(wBuffer), wMode);
7fac1903 2461 }
1c5905c2
GS
2462 else
2463 f = fopen(PerlDir_mapA(filename), mode);
2464 /* avoid buffering headaches for child processes */
2465 if (f && *mode == 'a')
2466 win32_fseek(f, 0, SEEK_END);
2467 return f;
0a753a76
PP
2468}
2469
f3986ebb
GS
2470#ifndef USE_SOCKETS_AS_HANDLES
2471#undef fdopen
2472#define fdopen my_fdopen
2473#endif
2474
68dc0745 2475DllExport FILE *
7fac1903 2476win32_fdopen(int handle, const char *mode)
0a753a76 2477{
acfe0abc 2478 dTHX;
51371543 2479 WCHAR wMode[MODE_SIZE];
1c5905c2 2480 FILE *f;
7fac1903 2481 if (USING_WIDE()) {
0cb96387 2482 A2WHELPER(mode, wMode, sizeof(wMode));
1c5905c2 2483 f = _wfdopen(handle, wMode);
7fac1903 2484 }
1c5905c2
GS
2485 else
2486 f = fdopen(handle, (char *) mode);
2487 /* avoid buffering headaches for child processes */
2488 if (f && *mode == 'a')
2489 win32_fseek(f, 0, SEEK_END);
2490 return f;
0a753a76
PP
2491}
2492
68dc0745 2493DllExport FILE *
7fac1903 2494win32_freopen(const char *path, const char *mode, FILE *stream)
0a753a76 2495{
acfe0abc 2496 dTHX;
82867ecf 2497 WCHAR wMode[MODE_SIZE], wBuffer[MAX_PATH+1];
68dc0745 2498 if (stricmp(path, "/dev/null")==0)
7fac1903
GS
2499 path = "NUL";
2500
2501 if (USING_WIDE()) {
0cb96387
GS
2502 A2WHELPER(mode, wMode, sizeof(wMode));
2503 A2WHELPER(path, wBuffer, sizeof(wBuffer));
7766f137 2504 return _wfreopen(PerlDir_mapW(wBuffer), wMode, stream);
7fac1903 2505 }
7766f137 2506 return freopen(PerlDir_mapA(path), mode, stream);
0a753a76
PP
2507}
2508
68dc0745
PP
2509DllExport int
2510win32_fclose(FILE *pf)
0a753a76 2511{
f3986ebb 2512 return my_fclose(pf); /* defined in win32sck.c */
0a753a76
PP
2513}
2514
68dc0745
PP
2515DllExport int
2516win32_fputs(const char *s,FILE *pf)
0a753a76 2517{
390b85e7 2518 return fputs(s, pf);
0a753a76
PP
2519}
2520
68dc0745
PP
2521DllExport int
2522win32_fputc(int c,FILE *pf)
0a753a76 2523{
390b85e7 2524 return fputc(c,pf);
0a753a76
PP
2525}
2526
68dc0745
PP
2527DllExport int
2528win32_ungetc(int c,FILE *pf)
0a753a76 2529{
390b85e7 2530 return ungetc(c,pf);
0a753a76
PP
2531}
2532
68dc0745
PP
2533DllExport int
2534win32_getc(FILE *pf)
0a753a76 2535{
390b85e7 2536 return getc(pf);
0a753a76
PP
2537}
2538
68dc0745
PP
2539DllExport int
2540win32_fileno(FILE *pf)
0a753a76 2541{
390b85e7 2542 return fileno(pf);
0a753a76
PP
2543}
2544
68dc0745
PP
2545DllExport void
2546win32_clearerr(FILE *pf)
0a753a76 2547{
390b85e7 2548 clearerr(pf);
68dc0745 2549 return;
0a753a76
PP
2550}
2551
68dc0745
PP
2552DllExport int
2553win32_fflush(FILE *pf)
0a753a76 2554{
390b85e7 2555 return fflush(pf);
0a753a76
PP
2556}
2557
c623ac67 2558DllExport Off_t
68dc0745 2559win32_ftell(FILE *pf)
0a753a76 2560{
c623ac67
GS
2561#if defined(WIN64) || defined(USE_LARGE_FILES)
2562 fpos_t pos;
2563 if (fgetpos(pf, &pos))
2564 return -1;
2565 return (Off_t)pos;
2566#else
390b85e7 2567 return ftell(pf);
c623ac67 2568#endif
0a753a76
PP
2569}
2570
68dc0745 2571DllExport int
c623ac67 2572win32_fseek(FILE *pf, Off_t offset,int origin)
0a753a76 2573{
c623ac67
GS
2574#if defined(WIN64) || defined(USE_LARGE_FILES)
2575 fpos_t pos;
2576 switch (origin) {
2577 case SEEK_CUR:
2578 if (fgetpos(pf, &pos))
2579 return -1;
2580 offset += pos;
2581 break;
2582 case SEEK_END:
2583 fseek(pf, 0, SEEK_END);
2584 pos = _telli64(fileno(pf));
2585 offset += pos;
2586 break;
2587 case SEEK_SET:
2588 break;
2589 default:
2590 errno = EINVAL;
2591 return -1;
2592 }
2593 return fsetpos(pf, &offset);
2594#else
390b85e7 2595 return fseek(pf, offset, origin);
c623ac67 2596#endif
0a753a76
PP
2597}
2598
68dc0745
PP
2599DllExport int
2600win32_fgetpos(FILE *pf,fpos_t *p)
0a753a76 2601{
390b85e7 2602 return fgetpos(pf, p);
0a753a76
PP
2603}
2604
68dc0745
PP
2605DllExport int
2606win32_fsetpos(FILE *pf,const fpos_t *p)
0a753a76 2607{
390b85e7 2608 return fsetpos(pf, p);
0a753a76
PP
2609}
2610
68dc0745
PP
2611DllExport void
2612win32_rewind(FILE *pf)
0a753a76 2613{
390b85e7 2614 rewind(pf);
68dc0745 2615 return;
0a753a76
PP
2616}
2617
245468eb
JH
2618DllExport FILE*
2619win32_tmpfile(void)
0a753a76 2620{
b3122bc4
JH
2621 dTHX;
2622 char prefix[MAX_PATH+1];
2623 char filename[MAX_PATH+1];
2624 DWORD len = GetTempPath(MAX_PATH, prefix);
2625 if (len && len < MAX_PATH) {
2626 if (GetTempFileName(prefix, "plx", 0, filename)) {
2627 HANDLE fh = CreateFile(filename,
2628 DELETE | GENERIC_READ | GENERIC_WRITE,
2629 0,
2630 NULL,
2631 CREATE_ALWAYS,
2632 FILE_ATTRIBUTE_NORMAL
2633 | FILE_FLAG_DELETE_ON_CLOSE,
2634 NULL);
2635 if (fh != INVALID_HANDLE_VALUE) {
c623ac67 2636 int fd = win32_open_osfhandle((intptr_t)fh, 0);
b3122bc4 2637 if (fd >= 0) {
a051bdb4
VK
2638#if defined(__BORLANDC__)
2639 setmode(fd,O_BINARY);
2640#endif
b3122bc4
JH
2641 DEBUG_p(PerlIO_printf(Perl_debug_log,
2642 "Created tmpfile=%s\n",filename));
245468eb 2643 return fdopen(fd, "w+b");
b3122bc4
JH
2644 }
2645 }
2646 }
2647 }
2648 return NULL;
0a753a76
PP
2649}
2650
68dc0745
PP
2651DllExport void
2652win32_abort(void)
0a753a76 2653{
390b85e7 2654 abort();
68dc0745 2655 return;
0a753a76
PP
2656}
2657
68dc0745 2658DllExport int
c623ac67 2659win32_fstat(int fd, Stat_t *sbufptr)
0a753a76 2660{
2a07f407
VK
2661#ifdef __BORLANDC__
2662 /* A file designated by filehandle is not shown as accessible
2663 * for write operations, probably because it is opened for reading.
2664 * --Vadim Konovalov
3fadfdf1 2665 */
2a07f407
VK
2666 int rc = fstat(fd,sbufptr);
2667 BY_HANDLE_FILE_INFORMATION bhfi;
2668 if (GetFileInformationByHandle((HANDLE)_get_osfhandle(fd), &bhfi)) {
2669 sbufptr->st_mode &= 0xFE00;
2670 if (bhfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY)
2671 sbufptr->st_mode |= (S_IREAD + (S_IREAD >> 3) + (S_IREAD >> 6));
2672 else
2673 sbufptr->st_mode |= ((S_IREAD|S_IWRITE) + ((S_IREAD|S_IWRITE) >> 3)
2674 + ((S_IREAD|S_IWRITE) >> 6));
2675 }
2676 return rc;
2677#else
ed59ec62 2678 return my_fstat(fd,sbufptr);
2a07f407 2679#endif
0a753a76
PP
2680}
2681
68dc0745
PP
2682DllExport int
2683win32_pipe(int *pfd, unsigned int size, int mode)
0a753a76 2684{
390b85e7 2685 return _pipe(pfd, size, mode);
0a753a76
PP
2686}
2687
8c0134a8
NIS
2688DllExport PerlIO*
2689win32_popenlist(const char *mode, IV narg, SV **args)
2690{
2691 dTHX;
2692 Perl_croak(aTHX_ "List form of pipe open not implemented");
2693 return NULL;
2694}
2695
50892819
GS
2696/*
2697 * a popen() clone that respects PERL5SHELL
00b02797
JH
2698 *
2699 * changed to return PerlIO* rather than FILE * by BKS, 11-11-2000
50892819
GS
2700 */
2701
00b02797 2702DllExport PerlIO*
68dc0745 2703win32_popen(const char *command, const char *mode)
0a753a76 2704{
4b556e6c 2705#ifdef USE_RTL_POPEN
390b85e7 2706 return _popen(command, mode);
50892819 2707#else
2cbbe5a1 2708 dTHX;
50892819
GS
2709 int p[2];
2710 int parent, child;
2711 int stdfd, oldfd;
2712 int ourmode;
2713 int childpid;
1095be37
GS
2714 DWORD nhandle;
2715 HANDLE old_h;
2716 int lock_held = 0;
50892819
GS
2717
2718 /* establish which ends read and write */
2719 if (strchr(mode,'w')) {
2720 stdfd = 0; /* stdin */
2721 parent = 1;
2722 child = 0;
1095be37 2723 nhandle = STD_INPUT_HANDLE;
50892819
GS
2724 }
2725 else if (strchr(mode,'r')) {
2726 stdfd = 1; /* stdout */
2727 parent = 0;
2728 child = 1;
1095be37 2729 nhandle = STD_OUTPUT_HANDLE;
50892819
GS
2730 }
2731 else
2732 return NULL;
2733
2734 /* set the correct mode */
2735 if (strchr(mode,'b'))
2736 ourmode = O_BINARY;
2737 else if (strchr(mode,'t'))
2738 ourmode = O_TEXT;
2739 else
2740 ourmode = _fmode & (O_TEXT | O_BINARY);
2741
2742 /* the child doesn't inherit handles */
2743 ourmode |= O_NOINHERIT;
2744
1095be37 2745 if (win32_pipe(p, 512, ourmode) == -1)
50892819
GS
2746 return NULL;
2747
2748 /* save current stdfd */
2749 if ((oldfd = win32_dup(stdfd)) == -1)
2750 goto cleanup;
2751
498d7dc4
GS
2752 /* save the old std handle (this needs to happen before the
2753 * dup2(), since that might call SetStdHandle() too) */
2754 OP_REFCNT_LOCK;
2755 lock_held = 1;
2756 old_h = GetStdHandle(nhandle);
2757
50892819
GS
2758 /* make stdfd go to child end of pipe (implicitly closes stdfd) */
2759 /* stdfd will be inherited by the child */
2760 if (win32_dup2(p[child], stdfd) == -1)
2761 goto cleanup;
2762
2763 /* close the child end in parent */
2764 win32_close(p[child]);
2765
498d7dc4 2766 /* set the new std handle (in case dup2() above didn't) */
1095be37
GS
2767 SetStdHandle(nhandle, (HANDLE)_get_osfhandle(stdfd));
2768
50892819 2769 /* start the child */
4f63d024 2770 {
acfe0abc 2771 dTHX;
c5be433b 2772 if ((childpid = do_spawn_nowait((char*)command)) == -1)
4f63d024 2773 goto cleanup;
50892819 2774
498d7dc4
GS
2775 /* revert stdfd to whatever it was before */
2776 if (win32_dup2(oldfd, stdfd) == -1)
2777 goto cleanup;
2778
2779 /* restore the old std handle (this needs to happen after the
2780 * dup2(), since that might call SetStdHandle() too */
1095be37
GS
2781 if (lock_held) {
2782 SetStdHandle(nhandle, old_h);
2783 OP_REFCNT_UNLOCK;
2784 lock_held = 0;
2785 }
2786
4f63d024
GS
2787 /* close saved handle */
2788 win32_close(oldfd);
50892819 2789
4755096e 2790 LOCK_FDPID_MUTEX;
4f63d024 2791 sv_setiv(*av_fetch(w32_fdpid, p[parent], TRUE), childpid);
4755096e 2792 UNLOCK_FDPID_MUTEX;
d91d68c1
R
2793
2794 /* set process id so that it can be returned by perl's open() */
2795 PL_forkprocess = childpid;
4f63d024 2796 }
50892819
GS
2797
2798 /* we have an fd, return a file stream */
00b02797 2799 return (PerlIO_fdopen(p[parent], (char *)mode));
50892819
GS
2800
2801cleanup:
2802 /* we don't need to check for errors here */
2803 win32_close(p[0]);
2804 win32_close(p[1]);
1095be37
GS
2805 if (lock_held) {
2806 SetStdHandle(nhandle, old_h);
2807 OP_REFCNT_UNLOCK;
2808 lock_held = 0;
2809 }
50892819
GS
2810 if (oldfd != -1) {
2811 win32_dup2(oldfd, stdfd);
2812 win32_close(oldfd);
2813 }
2814 return (NULL);
2815
4b556e6c 2816#endif /* USE_RTL_POPEN */
0a753a76
PP
2817}
2818
50892819
GS
2819/*
2820 * pclose() clone
2821 */
2822
68dc0745 2823DllExport int
00b02797 2824win32_pclose(PerlIO *pf)
0a753a76 2825{
4b556e6c 2826#ifdef USE_RTL_POPEN
390b85e7 2827 return _pclose(pf);
50892819 2828#else
acfe0abc 2829 dTHX;
e17cb2a9
JD
2830 int childpid, status;
2831 SV *sv;
2832
4755096e 2833 LOCK_FDPID_MUTEX;
00b02797 2834 sv = *av_fetch(w32_fdpid, PerlIO_fileno(pf), TRUE);
4755096e 2835
e17cb2a9
JD
2836 if (SvIOK(sv))
2837 childpid = SvIVX(sv);
2838 else
2839 childpid = 0;
50892819
GS
2840
2841 if (!childpid) {
2842 errno = EBADF;
2843 return -1;
2844 }
2845
00b02797
JH
2846#ifdef USE_PERLIO
2847 PerlIO_close(pf);
2848#else
2849 fclose(pf);
2850#endif
e17cb2a9 2851 SvIVX(sv) = 0;
4755096e 2852 UNLOCK_FDPID_MUTEX;
e17cb2a9 2853
0aaad0ff
GS
2854 if (win32_waitpid(childpid, &status, 0) == -1)
2855 return -1;
50892819 2856
0aaad0ff 2857 return status;
50892819 2858
4b556e6c 2859#endif /* USE_RTL_POPEN */
0a753a76 2860}
6b980173
JD
2861
2862static BOOL WINAPI
2863Nt4CreateHardLinkW(
2864 LPCWSTR lpFileName,
2865 LPCWSTR lpExistingFileName,
2866 LPSECURITY_ATTRIBUTES lpSecurityAttributes)
2867{
2868 HANDLE handle;
2869 WCHAR wFullName[MAX_PATH+1];
2870 LPVOID lpContext = NULL;
2871 WIN32_STREAM_ID StreamId;
2872 DWORD dwSize = (char*)&StreamId.cStreamName - (char*)&StreamId;
2873 DWORD dwWritten;
2874 DWORD dwLen;
2875 BOOL bSuccess;
2876
2877 BOOL (__stdcall *pfnBackupWrite)(HANDLE, LPBYTE, DWORD, LPDWORD,
2878 BOOL, BOOL, LPVOID*) =
2879 (BOOL (__stdcall *)(HANDLE, LPBYTE, DWORD, LPDWORD,
2880 BOOL, BOOL, LPVOID*))
2881 GetProcAddress(GetModuleHandle("kernel32.dll"), "BackupWrite");
2882 if (pfnBackupWrite == NULL)
2883 return 0;
2884
2885 dwLen = GetFullPathNameW(lpFileName, MAX_PATH, wFullName, NULL);
2886 if (dwLen == 0)
2887 return 0;
2888 dwLen = (dwLen+1)*sizeof(WCHAR);
2889
2890 handle = CreateFileW(lpExistingFileName, FILE_WRITE_ATTRIBUTES,
2891 FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
2892 NULL, OPEN_EXISTING, 0, NULL);
2893 if (handle == INVALID_HANDLE_VALUE)
2894 return 0;
2895
2896 StreamId.dwStreamId = BACKUP_LINK;
2897 StreamId.dwStreamAttributes = 0;
2898 StreamId.dwStreamNameSize = 0;
6f24f39d
JK
2899#if defined(__BORLANDC__) \
2900 ||(defined(__MINGW32__) && !defined(_ANONYMOUS_UNION))
4ce4f76e
GS
2901 StreamId.Size.u.HighPart = 0;
2902 StreamId.Size.u.LowPart = dwLen;
2903#else
6b980173
JD
2904 StreamId.Size.HighPart = 0;
2905 StreamId.Size.LowPart = dwLen;
4ce4f76e 2906#endif
6b980173
JD
2907
2908 bSuccess = pfnBackupWrite(handle, (LPBYTE)&StreamId, dwSize, &dwWritten,
2909 FALSE, FALSE, &lpContext);
2910 if (bSuccess) {
2911 bSuccess = pfnBackupWrite(handle, (LPBYTE)wFullName, dwLen, &dwWritten,
2912 FALSE, FALSE, &lpContext);
2913 pfnBackupWrite(handle, NULL, 0, &dwWritten, TRUE, FALSE, &lpContext);
2914 }
2915
2916 CloseHandle(handle);
2917 return bSuccess;
2918}
2919
2920DllExport int
2921win32_link(const char *oldname, const char *newname)
2922{
acfe0abc 2923 dTHX;
6b980173 2924 BOOL (__stdcall *pfnCreateHardLinkW)(LPCWSTR,LPCWSTR,LPSECURITY_ATTRIBUTES);
82867ecf
GS
2925 WCHAR wOldName[MAX_PATH+1];
2926 WCHAR wNewName[MAX_PATH+1];
6b980173
JD
2927
2928 if (IsWin95())
1be9d9c6 2929 Perl_croak(aTHX_ PL_no_func, "link");
6b980173
JD
2930
2931 pfnCreateHardLinkW =
2932 (BOOL (__stdcall *)(LPCWSTR, LPCWSTR, LPSECURITY_ATTRIBUTES))
2933 GetProcAddress(GetModuleHandle("kernel32.dll"), "CreateHardLinkW");
2934 if (pfnCreateHardLinkW == NULL)
2935 pfnCreateHardLinkW = Nt4CreateHardLinkW;
2936
2937 if ((A2WHELPER(oldname, wOldName, sizeof(wOldName))) &&
2938 (A2WHELPER(newname, wNewName, sizeof(wNewName))) &&
7766f137
GS
2939 (wcscpy(wOldName, PerlDir_mapW(wOldName)),
2940 pfnCreateHardLinkW(PerlDir_mapW(wNewName), wOldName, NULL)))
6b980173
JD
2941 {
2942 return 0;
2943 }
2944 errno = (GetLastError() == ERROR_FILE_NOT_FOUND) ? ENOENT : EINVAL;
2945 return -1;
2946}
0a753a76 2947
68dc0745 2948DllExport int
8d9b2e3c 2949win32_rename(const char *oname, const char *newname)
e24c7c18 2950{
65cb15a1
GS
2951 WCHAR wOldName[MAX_PATH+1];
2952 WCHAR wNewName[MAX_PATH+1];
2953 char szOldName[MAX_PATH+1];
2954 char szNewName[MAX_PATH+1];
7fac1903 2955 BOOL bResult;
acfe0abc 2956 dTHX;
65cb15a1 2957
80252599
GS
2958 /* XXX despite what the documentation says about MoveFileEx(),
2959 * it doesn't work under Windows95!
2960 */
2961 if (IsWinNT()) {
65cb15a1 2962 DWORD dwFlags = MOVEFILE_COPY_ALLOWED;
7fac1903 2963 if (USING_WIDE()) {
0cb96387
GS
2964 A2WHELPER(oname, wOldName, sizeof(wOldName));
2965 A2WHELPER(newname, wNewName, sizeof(wNewName));
65cb15a1
GS
2966 if (wcsicmp(wNewName, wOldName))
2967 dwFlags |= MOVEFILE_REPLACE_EXISTING;
7766f137 2968 wcscpy(wOldName, PerlDir_mapW(wOldName));
65cb15a1 2969 bResult = MoveFileExW(wOldName,PerlDir_mapW(wNewName), dwFlags);
7fac1903
GS
2970 }
2971 else {
65cb15a1
GS
2972 if (stricmp(newname, oname))
2973 dwFlags |= MOVEFILE_REPLACE_EXISTING;
2974 strcpy(szOldName, PerlDir_mapA(oname));
2975 bResult = MoveFileExA(szOldName,PerlDir_mapA(newname), dwFlags);
7fac1903
GS
2976 }
2977 if (!bResult) {
80252599
GS
2978 DWORD err = GetLastError();
2979 switch (err) {
2980 case ERROR_BAD_NET_NAME:
2981 case ERROR_BAD_NETPATH:
2982 case ERROR_BAD_PATHNAME:
2983 case ERROR_FILE_NOT_FOUND:
2984 case ERROR_FILENAME_EXCED_RANGE:
2985 case ERROR_INVALID_DRIVE:
2986 case ERROR_NO_MORE_FILES:
2987 case ERROR_PATH_NOT_FOUND:
2988 errno = ENOENT;
2989 break;
2990 default:
2991 errno = EACCES;
2992 break;
2993 }
2994 return -1;
2995 }
2996 return 0;
e24c7c18 2997 }
80252599
GS
2998 else {
2999 int retval = 0;
65cb15a1 3000 char szTmpName[MAX_PATH+1];
80252599
GS
3001 char dname[MAX_PATH+1];
3002 char *endname = Nullch;
3003 STRLEN tmplen = 0;
3004 DWORD from_attr, to_attr;
3005
65cb15a1
GS
3006 strcpy(szOldName, PerlDir_mapA(oname));
3007 strcpy(szNewName, PerlDir_mapA(newname));
3008
80252599 3009 /* if oname doesn't exist, do nothing */
65cb15a1 3010 from_attr = GetFileAttributes(szOldName);
80252599
GS
3011 if (from_attr == 0xFFFFFFFF) {
3012 errno = ENOENT;
3013 return -1;
3014 }
3015
3016 /* if newname exists, rename it to a temporary name so that we
3017 * don't delete it in case oname happens to be the same file
3018 * (but perhaps accessed via a different path)
3019 */
65cb15a1 3020 to_attr = GetFileAttributes(szNewName);
80252599
GS
3021 if (to_attr != 0xFFFFFFFF) {
3022 /* if newname is a directory, we fail
3023 * XXX could overcome this with yet more convoluted logic */
3024 if (to_attr & FILE_ATTRIBUTE_DIRECTORY) {
3025 errno = EACCES;
3026 return -1;
3027 }
65cb15a1
GS
3028 tmplen = strlen(szNewName);
3029 strcpy(szTmpName,szNewName);
3030 endname = szTmpName+tmplen;
3031 for (; endname > szTmpName ; --endname) {
80252599
GS
3032 if (*endname == '/' || *endname == '\\') {
3033 *endname = '\0';
3034 break;
3035 }
3036 }
65cb15a1
GS
3037 if (endname > szTmpName)
3038 endname = strcpy(dname,szTmpName);
e24c7c18 3039 else
80252599
GS
3040 endname = ".";
3041
3042 /* get a temporary filename in same directory
3043 * XXX is this really the best we can do? */
65cb15a1 3044 if (!GetTempFileName((LPCTSTR)endname, "plr", 0, szTmpName)) {
80252599
GS
3045 errno = ENOENT;
3046 return -1;
3047 }
65cb15a1 3048 DeleteFile(szTmpName);
80252599 3049
65cb15a1 3050 retval = rename(szNewName, szTmpName);
80252599
GS
3051 if (retval != 0) {
3052 errno = EACCES;
3053 return retval;
e24c7c18
GS
3054 }
3055 }
80252599
GS
3056
3057 /* rename oname to newname */
65cb15a1 3058 retval = rename(szOldName, szNewName);
80252599
GS
3059
3060 /* if we created a temporary file before ... */
3061 if (endname != Nullch) {
3062 /* ...and rename succeeded, delete temporary file/directory */
3063 if (retval == 0)
65cb15a1 3064 DeleteFile(szTmpName);
80252599
GS
3065 /* else restore it to what it was */
3066 else
65cb15a1 3067 (void)rename(szTmpName, szNewName);
80252599
GS
3068 }
3069 return retval;
e24c7c18 3070 }
e24c7c18
GS
3071}
3072
3073DllExport int
68dc0745 3074win32_setmode(int fd, int mode)
0a753a76 3075{
390b85e7 3076 return setmode(fd, mode);
0a753a76
PP
3077}
3078
4a9d6100
GS
3079DllExport int
3080win32_chsize(int fd, Off_t size)
3081{
3082#if defined(WIN64) || defined(USE_LARGE_FILES)
3083 int retval = 0;
3084 Off_t cur, end, extend;
3085
3086 cur = win32_tell(fd);
3087 if (cur < 0)
3088 return -1;
3089 end = win32_lseek(fd, 0, SEEK_END);
3090 if (end < 0)
3091 return -1;
3092 extend = size - end;
3093 if (extend == 0) {
3094 /* do nothing */
3095 }
3096 else if (extend > 0) {
3097 /* must grow the file, padding with nulls */
3098 char b[4096];
3099 int oldmode = win32_setmode(fd, O_BINARY);
3100 size_t count;
3101 memset(b, '\0', sizeof(b));
3102 do {
3103 count = extend >= sizeof(b) ? sizeof(b) : (size_t)extend;
3104 count = win32_write(fd, b, count);
3105 if (count < 0) {
3106 retval = -1;
3107 break;
3108 }
3109 } while ((extend -= count) > 0);
3110 win32_setmode(fd, oldmode);
3111 }
3112 else {
3113 /* shrink the file */
3114 win32_lseek(fd, size, SEEK_SET);
3115 if (!SetEndOfFile((HANDLE)_get_osfhandle(fd))) {
3116 errno = EACCES;
3117 retval = -1;
3118 }
3119 }
3120finish:
3121 win32_lseek(fd, cur, SEEK_SET);
3122 return retval;
3123#else
3124 return chsize(fd, size);
3125#endif
3126}
3127
c623ac67
GS
3128DllExport Off_t
3129win32_lseek(int fd, Off_t offset, int origin)
96e4d5b1 3130{
c623ac67
GS
3131#if defined(WIN64) || defined(USE_LARGE_FILES)
3132 return _lseeki64(fd, offset, origin);
3133#else
390b85e7 3134 return lseek(fd, offset, origin);
c623ac67 3135#endif
96e4d5b1
PP
3136}
3137
c623ac67 3138DllExport Off_t
96e4d5b1
PP
3139win32_tell(int fd)
3140{
c623ac67
GS
3141#if defined(WIN64) || defined(USE_LARGE_FILES)
3142 return _telli64(fd);
3143#else
390b85e7 3144 return tell(fd);
c623ac67 3145#endif
96e4d5b1
PP
3146}
3147
68dc0745
PP
3148DllExport int
3149win32_open(const char *path, int flag, ...)
0a753a76 3150{
acfe0abc 3151 dTHX;
68dc0745
PP
3152 va_list ap;
3153 int pmode;
82867ecf 3154 WCHAR wBuffer[MAX_PATH+1];
0a753a76
PP
3155
3156 va_start(ap, flag);
3157 pmode = va_arg(ap, int);
3158 va_end(ap);
3159
68dc0745 3160 if (stricmp(path, "/dev/null")==0)
7fac1903
GS
3161 path = "NUL";
3162
3163 if (USING_WIDE()) {
0cb96387 3164 A2WHELPER(path, wBuffer, sizeof(wBuffer));
7766f137 3165 return _wopen(PerlDir_mapW(wBuffer), flag, pmode);
7fac1903 3166 }
7766f137 3167 return open(PerlDir_mapA(path), flag, pmode);
0a753a76
PP
3168}
3169
00b02797
JH
3170/* close() that understands socket */
3171extern int my_close(int); /* in win32sck.c */
3172
68dc0745
PP
3173DllExport int
3174win32_close(int fd)
0a753a76 3175{
00b02797 3176 return my_close(fd);
0a753a76
PP
3177}
3178
68dc0745 3179DllExport int
96e4d5b1
PP
3180win32_eof(int fd)
3181{
390b85e7 3182 return eof(fd);
96e4d5b1
PP
3183}
3184
3185DllExport int
68dc0745 3186win32_dup(int fd)
0a753a76 3187{
390b85e7 3188 return dup(fd);
0a753a76
PP
3189}
3190
68dc0745
PP
3191DllExport int
3192win32_dup2(int fd1,int fd2)
0a753a76 3193{
390b85e7 3194 return dup2(fd1,fd2);
0a753a76
PP
3195}
3196
f7aeb604
GS
3197#ifdef PERL_MSVCRT_READFIX
3198
3199#define LF 10 /* line feed */
3200#define CR 13 /* carriage return */
3201#define CTRLZ 26 /* ctrl-z means eof for text */
3202#define FOPEN 0x01 /* file handle open */
3203#define FEOFLAG 0x02 /* end of file has been encountered */
3204#define FCRLF 0x04 /* CR-LF across read buffer (in text mode) */
3205#define FPIPE 0x08 /* file handle refers to a pipe */
3206#define FAPPEND 0x20 /* file handle opened O_APPEND */
3207#define FDEV 0x40 /* file handle refers to device */
3208#define FTEXT 0x80 /* file handle is in text mode */
3209#define MAX_DESCRIPTOR_COUNT (64*32) /* this is the maximun that MSVCRT can handle */
3210
b181b6fb
GS
3211int __cdecl
3212_fixed_read(int fh, void *buf, unsigned cnt)
f7aeb604
GS
3213{
3214 int bytes_read; /* number of bytes read */
3215 char *buffer; /* buffer to read to */
3216 int os_read; /* bytes read on OS call */
3217 char *p, *q; /* pointers into buffer */
3218 char peekchr; /* peek-ahead character */
3219 ULONG filepos; /* file position after seek */
3220 ULONG dosretval; /* o.s. return value */
3221
3222 /* validate handle */
3223 if (((unsigned)fh >= (unsigned)MAX_DESCRIPTOR_COUNT) ||
3224 !(_osfile(fh) & FOPEN))
3225 {
3226 /* out of range -- return error */
3227 errno = EBADF;
3228 _doserrno = 0; /* not o.s. error */
3229 return -1;
3230 }
3231
635bbe87
GS
3232 /*
3233 * If lockinitflag is FALSE, assume fd is device
3234 * lockinitflag is set to TRUE by open.
3235 */
3236 if (_pioinfo(fh)->lockinitflag)
3237 EnterCriticalSection(&(_pioinfo(fh)->lock)); /* lock file */
f7aeb604
GS
3238
3239 bytes_read = 0; /* nothing read yet */
3240 buffer = (char*)buf;
3241
3242 if (cnt == 0 || (_osfile(fh) & FEOFLAG)) {
3243 /* nothing to read or at EOF, so return 0 read */
3244 goto functionexit;
3245 }
3246
3247 if ((_osfile(fh) & (FPIPE|FDEV)) && _pipech(fh) != LF) {
3248 /* a pipe/device and pipe lookahead non-empty: read the lookahead
3249 * char */
3250 *buffer++ = _pipech(fh);
3251 ++bytes_read;
3252 --cnt;
3253 _pipech(fh) = LF; /* mark as empty */
3254 }
3255
3256 /* read the data */
3257
3258 if (!ReadFile((HANDLE)_osfhnd(fh), buffer, cnt, (LPDWORD)&os_read, NULL))
3259 {
3260 /* ReadFile has reported an error. recognize two special cases.
3261 *
3262 * 1. map ERROR_ACCESS_DENIED to EBADF
3263 *
3264 * 2. just return 0 if ERROR_BROKEN_PIPE has occurred. it
3265 * means the handle is a read-handle on a pipe for which
3266 * all write-handles have been closed and all data has been
3267 * read. */
3268
3269 if ((dosretval = GetLastError()) == ERROR_ACCESS_DENIED) {
3270 /* wrong read/write mode should return EBADF, not EACCES */
3271 errno = EBADF;
3272 _doserrno = dosretval;
3273 bytes_read = -1;
3274 goto functionexit;
3275 }
3276 else if (dosretval == ERROR_BROKEN_PIPE) {
3277 bytes_read = 0;
3278 goto functionexit;
3279 }
3280 else {
3281 bytes_read = -1;
3282 goto functionexit;
3283 }
3284 }
3285
3286 bytes_read += os_read; /* update bytes read */
3287
3288 if (_osfile(fh) & FTEXT) {
3289 /* now must translate CR-LFs to LFs in the buffer */
3290
3291 /* set CRLF flag to indicate LF at beginning of buffer */
3292 /* if ((os_read != 0) && (*(char *)buf == LF)) */
3293 /* _osfile(fh) |= FCRLF; */
3294 /* else */
3295 /* _osfile(fh) &= ~FCRLF; */
3296
3297 _osfile(fh) &= ~FCRLF;
3298
3299 /* convert chars in the buffer: p is src, q is dest */
3300 p = q = (char*)buf;
3301 while (p < (char *)buf + bytes_read) {
3302 if (*p == CTRLZ) {
3303 /* if fh is not a device, set ctrl-z flag */
3304 if (!(_osfile(fh) & FDEV))
3305 _osfile(fh) |= FEOFLAG;
3306 break; /* stop translating */
3307 }
3308 else if (*p != CR)
3309 *q++ = *p++;
3310 else {
3311 /* *p is CR, so must check next char for LF */
3312 if (p < (char *)buf + bytes_read - 1) {
3313 if (*(p+1) == LF) {
3314 p += 2;
3315 *q++ = LF; /* convert CR-LF to LF */
3316 }
3317 else
3318 *q++ = *p++; /* store char normally */
3319 }
3320 else {
3321 /* This is the hard part. We found a CR at end of
3322 buffer. We must peek ahead to see if next char
3323 is an LF. */
3324 ++p;
3325
3326 dosretval = 0;
3327 if (!ReadFile((HANDLE)_osfhnd(fh), &peekchr, 1,
3328 (LPDWORD)&os_read, NULL))
3329 dosretval = GetLastError();
3330
3331 if (dosretval != 0 || os_read == 0) {
3332 /* couldn't read ahead, store CR */
3333 *q++ = CR;
3334 }
3335 else {
3336 /* peekchr now has the extra character -- we now
3337 have several possibilities:
3338 1. disk file and char is not LF; just seek back
3339 and copy CR
3340 2. disk file and char is LF; store LF, don't seek back
3341 3. pipe/device and char is LF; store LF.
3342 4. pipe/device and char isn't LF, store CR and
3343 put char in pipe lookahead buffer. */
3344 if (_osfile(fh) & (FDEV|FPIPE)) {
3345 /* non-seekable device */
3346 if (peekchr == LF)
3347 *q++ = LF;
3348 else {
3349 *q++ = CR;
3350 _pipech(fh) = peekchr;
3351 }
3352 }
3353 else {
3354 /* disk file */
3355 if (peekchr == LF) {
3356 /* nothing read yet; must make some
3357 progress */
3358 *q++ = LF;
3359 /* turn on this flag for tell routine */
3360 _osfile(fh) |= FCRLF;
3361 }
3362 else {
3363 HANDLE osHandle; /* o.s. handle value */
3364 /* seek back */
3365 if ((osHandle = (HANDLE)_get_osfhandle(fh)) != (HANDLE)-1)
3366 {
3367 if ((filepos = SetFilePointer(osHandle, -1, NULL, FILE_CURRENT)) == -1)
3368 dosretval = GetLastError();
3369 }
3370 if (peekchr != LF)
3371 *q++ = CR;
3372 }
3373 }
3374 }
3375 }
3376 }
3377 }
3378
3379 /* we now change bytes_read to reflect the true number of chars
3380 in the buffer */
3381 bytes_read = q - (char *)buf;
3382 }
3383
3fadfdf1 3384functionexit:
635bbe87
GS
3385 if (_pioinfo(fh)->lockinitflag)
3386 LeaveCriticalSection(&(_pioinfo(fh)->lock)); /* unlock file */
f7aeb604
GS
3387
3388 return bytes_read;
3389}
3390
3391#endif /* PERL_MSVCRT_READFIX */
3392
68dc0745 3393DllExport int
3e3baf6d 3394win32_read(int fd, void *buf, unsigned int cnt)
0a753a76 3395{
f7aeb604
GS
3396#ifdef PERL_MSVCRT_READFIX
3397 return _fixed_read(fd, buf, cnt);
3398#else
390b85e7 3399 return read(fd, buf, cnt);
f7aeb604 3400#endif
0a753a76
PP
3401}
3402
68dc0745 3403DllExport int
3e3baf6d 3404win32_write(int fd, const void *buf, unsigned int cnt)
0a753a76 3405{
390b85e7 3406 return write(fd, buf, cnt);
0a753a76
PP
3407}
3408
68dc0745 3409DllExport int
5aabfad6
PP
3410win32_mkdir(const char *dir, int mode)
3411{
acfe0abc 3412 dTHX;
7766f137 3413 if (USING_WIDE()) {
82867ecf 3414 WCHAR wBuffer[MAX_PATH+1];
7766f137
GS
3415 A2WHELPER(dir, wBuffer, sizeof(wBuffer));
3416 return _wmkdir(PerlDir_mapW(wBuffer));
3417 }
3418 return mkdir(PerlDir_mapA(dir)); /* just ignore mode */
5aabfad6 3419}
96e4d5b1 3420
5aabfad6
PP
3421DllExport int
3422win32_rmdir(const char *dir)
3423{
acfe0abc 3424 dTHX;
7766f137 3425 if (USING_WIDE()) {
82867ecf 3426 WCHAR wBuffer[MAX_PATH+1];
7766f137
GS
3427 A2WHELPER(dir, wBuffer, sizeof(wBuffer));
3428 return _wrmdir(PerlDir_mapW(wBuffer));
3429 }
3430 return rmdir(PerlDir_mapA(dir));
5aabfad6 3431}
96e4d5b1 3432
5aabfad6
PP
3433DllExport int
3434win32_chdir(const char *dir)
3435{
4ae93879 3436 dTHX;
9ec3348a
JH
3437 if (!dir) {
3438 errno = ENOENT;
3439 return -1;
3440 }
7766f137 3441 if (USING_WIDE()) {
82867ecf 3442 WCHAR wBuffer[MAX_PATH+1];
7766f137
GS
3443 A2WHELPER(dir, wBuffer, sizeof(wBuffer));
3444 return _wchdir(wBuffer);
3445 }
390b85e7 3446 return chdir(dir);
5aabfad6 3447}
96e4d5b1 3448
7766f137
GS
3449DllExport int
3450win32_access(const char *path, int mode)
3451{
acfe0abc 3452 dTHX;
7766f137 3453 if (USING_WIDE()) {
82867ecf 3454 WCHAR wBuffer[MAX_PATH+1];
7766f137
GS
3455 A2WHELPER(path, wBuffer, sizeof(wBuffer));
3456 return _waccess(PerlDir_mapW(wBuffer), mode);
3457 }
3458 return access(PerlDir_mapA(path), mode);
3459}
3460
3461DllExport int
3462win32_chmod(const char *path, int mode)
3463{
acfe0abc 3464 dTHX;
7766f137 3465 if (USING_WIDE()) {
82867ecf 3466 WCHAR wBuffer[MAX_PATH+1];
7766f137
GS
3467 A2WHELPER(path, wBuffer, sizeof(wBuffer));
3468 return _wchmod(PerlDir_mapW(wBuffer), mode);
3469 }
3470 return chmod(PerlDir_mapA(path), mode);
3471}
3472
3473
0aaad0ff 3474static char *
dd7038b3 3475create_command_line(char *cname, STRLEN clen, const char * const *args)
0aaad0ff 3476{
acfe0abc 3477 dTHX;
b309b8ae
JH
3478 int index, argc;
3479 char *cmd, *ptr;
3480 const char *arg;
3481 STRLEN len = 0;
81bc1258 3482 bool bat_file = FALSE;
b309b8ae 3483 bool cmd_shell = FALSE;
7b11e424 3484 bool dumb_shell = FALSE;
b309b8ae 3485 bool extra_quotes = FALSE;
dd7038b3 3486 bool quote_next = FALSE;
81bc1258
JH
3487
3488 if (!cname)
3489 cname = (char*)args[0];
b309b8ae
JH
3490
3491 /* The NT cmd.exe shell has the following peculiarity that needs to be
3492 * worked around. It strips a leading and trailing dquote when any
3493 * of the following is true:
3494 * 1. the /S switch was used
3495 * 2. there are more than two dquotes
3496 * 3. there is a special character from this set: &<>()@^|
3497 * 4. no whitespace characters within the two dquotes
3498 * 5. string between two dquotes isn't an executable file
3499 * To work around this, we always add a leading and trailing dquote
3500 * to the string, if the first argument is either "cmd.exe" or "cmd",
3501 * and there were at least two or more arguments passed to cmd.exe
3502 * (not including switches).
dd7038b3
JH
3503 * XXX the above rules (from "cmd /?") don't seem to be applied
3504 * always, making for the convolutions below :-(
b309b8ae 3505 */
81bc1258 3506 if (cname) {
dd7038b3
JH
3507 if (!clen)
3508 clen = strlen(cname);
3509
81bc1258
JH
3510 if (clen > 4
3511 && (stricmp(&cname[clen-4], ".bat") == 0
3512 || (IsWinNT() && stricmp(&cname[clen-4], ".cmd") == 0)))
3513 {
3514 bat_file = TRUE;
3515 len += 3;
3516 }
dd7038b3
JH
3517 else {
3518 char *exe = strrchr(cname, '/');
3519 char *exe2 = strrchr(cname, '\\');
3520 if (exe2 > exe)
3521 exe = exe2;
3522 if (exe)
3523 ++exe;
3524 else
3525 exe = cname;
3526 if (stricmp(exe, "cmd.exe") == 0 || stricmp(exe, "cmd") == 0) {
3527 cmd_shell = TRUE;
3528 len += 3;
3529 }
7b11e424
JH
3530 else if (stricmp(exe, "command.com") == 0
3531 || stricmp(exe, "command") == 0)
3532 {
3533 dumb_shell = TRUE;
3534 }
81bc1258 3535 }
b309b8ae 3536 }
0aaad0ff 3537
b309b8ae
JH
3538 DEBUG_p(PerlIO_printf(Perl_debug_log, "Args "));
3539 for (index = 0; (arg = (char*)args[index]) != NULL; ++index) {
3540 STRLEN curlen = strlen(arg);
3541 if (!(arg[0] == '"' && arg[curlen-1] == '"'))
3542 len += 2; /* assume quoting needed (worst case) */
3543 len += curlen + 1;
3544 DEBUG_p(PerlIO_printf(Perl_debug_log, "[%s]",arg));
3545 }
3546 DEBUG_p(PerlIO_printf(Perl_debug_log, "\n"));
0aaad0ff 3547
b309b8ae 3548 argc = index;
0aaad0ff
GS
3549 New(1310, cmd, len, char);
3550 ptr = cmd;
0aaad0ff 3551
81bc1258
JH
3552 if (bat_file) {
3553 *ptr++ = '"';
3554 extra_quotes = TRUE;
3555 }
3556
0aaad0ff 3557 for (index = 0; (arg = (char*)args[index]) != NULL; ++index) {
b309b8ae
JH
3558 bool do_quote = 0;
3559 STRLEN curlen = strlen(arg);
3560
81bc1258
JH
3561 /* we want to protect empty arguments and ones with spaces with
3562 * dquotes, but only if they aren't already there */
7b11e424
JH
3563 if (!dumb_shell) {
3564 if (!curlen) {
3565 do_quote = 1;
3566 }
02ef22d5
JH
3567 else if (quote_next) {
3568 /* see if it really is multiple arguments pretending to
3569 * be one and force a set of quotes around it */
3570 if (*find_next_space(arg))
3571 do_quote = 1;
3572 }
7b11e424
JH
3573 else if (!(arg[0] == '"' && curlen > 1 && arg[curlen-1] == '"')) {
3574 STRLEN i = 0;
3575 while (i < curlen) {
3576 if (isSPACE(arg[i])) {
3577 do_quote = 1;
02ef22d5
JH
3578 }
3579 else if (arg[i] == '"') {
3580 do_quote = 0;
7b11e424
JH
3581 break;
3582 }
3583 i++;
b309b8ae 3584 }
b309b8ae 3585 }
dd7038b3 3586 }
b309b8ae
JH
3587
3588 if (do_quote)
3589 *ptr++ = '"';
3590
18a945d4 3591 strcpy(ptr, arg);
b309b8ae
JH
3592 ptr += curlen;
3593
3594 if (do_quote)
3595 *ptr++ = '"';
3596
3597 if (args[index+1])
3598 *ptr++ = ' ';
3599
81bc1258
JH
3600 if (!extra_quotes
3601 && cmd_shell
11998fdb
GS
3602 && curlen >= 2