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Problem with system() on Win9x and command.com (perl 5.8.x-5.9.x)
[perl5.git] / win32 / win32.c
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
GS
24#include <winnt.h>
25#include <io.h>
c843839f 26#include <signal.h>
0a753a76 27
68dc0745 28/* #include "config.h" */
0a753a76 29
0a753a76
PP
30#if !defined(PERLIO_IS_STDIO) && !defined(USE_SFIO)
31#define PerlIO FILE
32#endif
33
7a9ec5a3 34#include <sys/stat.h>
0a753a76
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 */
f8fb7c90
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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
273cf8d1
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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
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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
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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;
48db714f 1070 int retval;
7766f137
GS
1071#ifdef USE_ITHREADS
1072 if (pid < 0) {
1073 /* it is a pseudo-forked child */
c66b022d 1074 child = find_pseudo_pid(-pid);
7766f137
GS
1075 if (child >= 0) {
1076 hProcess = w32_pseudo_child_handles[child];
7e5f34c0
NIS
1077 switch (sig) {
1078 case 0:
c843839f 1079 /* "Does process exist?" use of kill */
7766f137 1080 return 0;
7e5f34c0
NIS
1081 case 9:
1082 /* kill -9 style un-graceful exit */
1083 if (TerminateThread(hProcess, sig)) {
1084 remove_dead_pseudo_process(child);
1085 return 0;
1086 }
1087 break;
1088 default:
fb6be350
NK
1089 /* We fake signals to pseudo-processes using Win32
1090 * message queue. In Win9X the pids are negative already. */
1091 if (PostThreadMessage(IsWin95() ? pid : -pid,WM_USER,sig,0)) {
3fadfdf1 1092 /* It might be us ... */
7e5f34c0
NIS
1093 PERL_ASYNC_CHECK();
1094 return 0;
1095 }
1096 break;
1097 }
7766f137 1098 }
922b1888
GS
1099 else if (IsWin95()) {
1100 pid = -pid;
1101 goto alien_process;
1102 }
68dc0745 1103 }
7766f137
GS
1104 else
1105#endif
1106 {
c66b022d 1107 child = find_pid(pid);
7766f137 1108 if (child >= 0) {
7e5f34c0
NIS
1109 hProcess = w32_child_handles[child];
1110 switch(sig) {
1111 case 0:
c843839f 1112 /* "Does process exist?" use of kill */
7766f137 1113 return 0;
7e5f34c0
NIS
1114 case 2:
1115 if (GenerateConsoleCtrlEvent(CTRL_C_EVENT,pid))
1116 return 0;
1117 break;
9e200fca
JD
1118 case SIGBREAK:
1119 case SIGTERM:
1120 if (GenerateConsoleCtrlEvent(CTRL_BREAK_EVENT,pid))
1121 return 0;
1122 break;
c843839f 1123 default: /* For now be backwards compatible with perl5.6 */
7e5f34c0
NIS
1124 case 9:
1125 if (TerminateProcess(hProcess, sig)) {
1126 remove_dead_process(child);
1127 return 0;
1128 }
1129 break;
1130 }
7766f137
GS
1131 }
1132 else {
922b1888 1133alien_process:
48db714f 1134 retval = -1;
922b1888
GS
1135 hProcess = OpenProcess(PROCESS_ALL_ACCESS, TRUE,
1136 (IsWin95() ? -pid : pid));
42b8b86c 1137 if (hProcess) {
7e5f34c0
NIS
1138 switch(sig) {
1139 case 0:
c843839f 1140 /* "Does process exist?" use of kill */
48db714f
JD
1141 retval = 0;
1142 break;
7e5f34c0
NIS
1143 case 2:
1144 if (GenerateConsoleCtrlEvent(CTRL_C_EVENT,pid))
48db714f 1145 retval = 0;
7e5f34c0 1146 break;
9e200fca
JD
1147 case SIGBREAK:
1148 case SIGTERM:
1149 if (GenerateConsoleCtrlEvent(CTRL_BREAK_EVENT,pid))
1150 retval = 0;
1151 break;
c843839f 1152 default: /* For now be backwards compatible with perl5.6 */
7e5f34c0 1153 case 9:
48db714f
JD
1154 if (TerminateProcess(hProcess, sig))
1155 retval = 0;
1156 break;
42b8b86c 1157 }
7766f137 1158 }
48db714f
JD
1159 CloseHandle(hProcess);
1160 if (retval == 0)
1161 return 0;
7766f137
GS
1162 }
1163 }
1164 errno = EINVAL;
1165 return -1;
0a753a76 1166}
fbbbcc48 1167
68dc0745 1168DllExport int
c623ac67 1169win32_stat(const char *path, Stat_t *sbuf)
0a753a76 1170{
acfe0abc 1171 dTHX;
3fadfdf1 1172 char buffer[MAX_PATH+1];
68dc0745 1173 int l = strlen(path);
67fbe06e 1174 int res;
82867ecf 1175 WCHAR wbuffer[MAX_PATH+1];
e9ff6d27 1176 WCHAR* pwbuffer;
6b980173
JD
1177 HANDLE handle;
1178 int nlink = 1;
0a753a76 1179
68dc0745
PP
1180 if (l > 1) {
1181 switch(path[l - 1]) {
e1dbac94
GS
1182 /* FindFirstFile() and stat() are buggy with a trailing
1183 * backslash, so change it to a forward slash :-( */
68dc0745 1184 case '\\':
0b96339f
JD
1185 if (l >= sizeof(buffer)) {
1186 errno = ENAMETOOLONG;
1187 return -1;
1188 }
426c1a18
GS
1189 strncpy(buffer, path, l-1);
1190 buffer[l - 1] = '/';
1191 buffer[l] = '\0';
1192 path = buffer;
e1dbac94 1193 break;
23db2e2d 1194 /* FindFirstFile() is buggy with "x:", so add a dot :-( */
e1dbac94
GS
1195 case ':':
1196 if (l == 2 && isALPHA(path[0])) {
426c1a18
GS
1197 buffer[0] = path[0];
1198 buffer[1] = ':';
1199 buffer[2] = '.';
1200 buffer[3] = '\0';
e1dbac94 1201 l = 3;
426c1a18 1202 path = buffer;
e1dbac94
GS
1203 }
1204 break;
68dc0745
PP
1205 }
1206 }
6b980173
JD
1207
1208 /* We *must* open & close the file once; otherwise file attribute changes */
1209 /* might not yet have propagated to "other" hard links of the same file. */
1210 /* This also gives us an opportunity to determine the number of links. */
7fac1903 1211 if (USING_WIDE()) {
0cb96387 1212 A2WHELPER(path, wbuffer, sizeof(wbuffer));
e9ff6d27
GS
1213 pwbuffer = PerlDir_mapW(wbuffer);
1214 handle = CreateFileW(pwbuffer, 0, 0, NULL, OPEN_EXISTING, 0, NULL);
7fac1903
GS
1215 }
1216 else {
e9ff6d27
GS
1217 path = PerlDir_mapA(path);
1218 l = strlen(path);
1219 handle = CreateFileA(path, 0, 0, NULL, OPEN_EXISTING, 0, NULL);
6b980173
JD
1220 }
1221 if (handle != INVALID_HANDLE_VALUE) {
1222 BY_HANDLE_FILE_INFORMATION bhi;
1223 if (GetFileInformationByHandle(handle, &bhi))
1224 nlink = bhi.nNumberOfLinks;
1225 CloseHandle(handle);
7fac1903 1226 }
6b980173 1227
e9ff6d27 1228 /* pwbuffer or path will be mapped correctly above */
7766f137 1229 if (USING_WIDE()) {
c623ac67
GS
1230#if defined(WIN64) || defined(USE_LARGE_FILES)
1231 res = _wstati64(pwbuffer, sbuf);
1232#else
eb160463 1233 res = _wstat(pwbuffer, (struct _stat*)sbuf);
c623ac67 1234#endif
7766f137
GS
1235 }
1236 else {
c623ac67
GS
1237#if defined(WIN64) || defined(USE_LARGE_FILES)
1238 res = _stati64(path, sbuf);
1239#else
e9ff6d27 1240 res = stat(path, sbuf);
c623ac67 1241#endif
7766f137 1242 }
426c1a18 1243 sbuf->st_nlink = nlink;
6b980173 1244
24caa93f
GS
1245 if (res < 0) {
1246 /* CRT is buggy on sharenames, so make sure it really isn't.
1247 * XXX using GetFileAttributesEx() will enable us to set
426c1a18 1248 * sbuf->st_*time (but note that's not available on the
24caa93f 1249 * Windows of 1995) */
7fac1903
GS
1250 DWORD r;
1251 if (USING_WIDE()) {
e9ff6d27 1252 r = GetFileAttributesW(pwbuffer);
7fac1903
GS
1253 }
1254 else {
e9ff6d27 1255 r = GetFileAttributesA(path);
7fac1903 1256 }
24caa93f 1257 if (r != 0xffffffff && (r & FILE_ATTRIBUTE_DIRECTORY)) {
426c1a18 1258 /* sbuf may still contain old garbage since stat() failed */
c623ac67 1259 Zero(sbuf, 1, Stat_t);
426c1a18 1260 sbuf->st_mode = S_IFDIR | S_IREAD;
24caa93f
GS
1261 errno = 0;
1262 if (!(r & FILE_ATTRIBUTE_READONLY))
426c1a18 1263 sbuf->st_mode |= S_IWRITE | S_IEXEC;
24caa93f
GS
1264 return 0;
1265 }
1266 }
24caa93f 1267 else {
e1dbac94
GS
1268 if (l == 3 && isALPHA(path[0]) && path[1] == ':'
1269 && (path[2] == '\\' || path[2] == '/'))
2293b0e9
AB
1270 {
1271 /* The drive can be inaccessible, some _stat()s are buggy */
7fac1903 1272 if (USING_WIDE()
e9ff6d27
GS
1273 ? !GetVolumeInformationW(pwbuffer,NULL,0,NULL,NULL,NULL,NULL,0)
1274 : !GetVolumeInformationA(path,NULL,0,NULL,NULL,NULL,NULL,0)) {
2293b0e9
AB
1275 errno = ENOENT;
1276 return -1;
1277 }
1278 }
1279#ifdef __BORLANDC__
426c1a18
GS
1280 if (S_ISDIR(sbuf->st_mode))
1281 sbuf->st_mode |= S_IWRITE | S_IEXEC;
1282 else if (S_ISREG(sbuf->st_mode)) {
d0650a05 1283 int perms;
67fbe06e
GS
1284 if (l >= 4 && path[l-4] == '.') {
1285 const char *e = path + l - 3;
1286 if (strnicmp(e,"exe",3)
1287 && strnicmp(e,"bat",3)
1288 && strnicmp(e,"com",3)
1289 && (IsWin95() || strnicmp(e,"cmd",3)))
426c1a18 1290 sbuf->st_mode &= ~S_IEXEC;
67fbe06e 1291 else
426c1a18 1292 sbuf->st_mode |= S_IEXEC;
67fbe06e
GS
1293 }
1294 else
426c1a18 1295 sbuf->st_mode &= ~S_IEXEC;
d0650a05
GS
1296 /* Propagate permissions to _group_ and _others_ */
1297 perms = sbuf->st_mode & (S_IREAD|S_IWRITE|S_IEXEC);
1298 sbuf->st_mode |= (perms>>3) | (perms>>6);
67fbe06e 1299 }
67fbe06e 1300#endif
2293b0e9 1301 }
67fbe06e 1302 return res;
0a753a76
PP
1303}
1304
bb27e7b6
JH
1305#define isSLASH(c) ((c) == '/' || (c) == '\\')
1306#define SKIP_SLASHES(s) \
1307 STMT_START { \
1308 while (*(s) && isSLASH(*(s))) \
1309 ++(s); \
1310 } STMT_END
1311#define COPY_NONSLASHES(d,s) \
1312 STMT_START { \
1313 while (*(s) && !isSLASH(*(s))) \
1314 *(d)++ = *(s)++; \
1315 } STMT_END
1316
8ac9c18d
GS
1317/* Find the longname of a given path. path is destructively modified.
1318 * It should have space for at least MAX_PATH characters. */
1319DllExport char *
1320win32_longpath(char *path)
1321{
1322 WIN32_FIND_DATA fdata;
1323 HANDLE fhand;
1324 char tmpbuf[MAX_PATH+1];
1325 char *tmpstart = tmpbuf;
1326 char *start = path;
1327 char sep;
1328 if (!path)
1329 return Nullch;
1330
1331 /* drive prefix */
bb27e7b6 1332 if (isALPHA(path[0]) && path[1] == ':') {
8ac9c18d
GS
1333 start = path + 2;
1334 *tmpstart++ = path[0];
1335 *tmpstart++ = ':';
1336 }
1337 /* UNC prefix */
bb27e7b6 1338 else if (isSLASH(path[0]) && isSLASH(path[1])) {
8ac9c18d 1339 start = path + 2;
52fcf7ee
GS
1340 *tmpstart++ = path[0];
1341 *tmpstart++ = path[1];
bb27e7b6
JH
1342 SKIP_SLASHES(start);
1343 COPY_NONSLASHES(tmpstart,start); /* copy machine name */
8ac9c18d 1344 if (*start) {
bb27e7b6
JH
1345 *tmpstart++ = *start++;
1346 SKIP_SLASHES(start);
1347 COPY_NONSLASHES(tmpstart,start); /* copy share name */
8ac9c18d
GS
1348 }
1349 }
8ac9c18d 1350 *tmpstart = '\0';
bb27e7b6
JH
1351 while (*start) {
1352 /* copy initial slash, if any */
1353 if (isSLASH(*start)) {
1354 *tmpstart++ = *start++;
1355 *tmpstart = '\0';
1356 SKIP_SLASHES(start);
1357 }
1358
1359 /* FindFirstFile() expands "." and "..", so we need to pass
1360 * those through unmolested */
1361 if (*start == '.'
1362 && (!start[1] || isSLASH(start[1])
1363 || (start[1] == '.' && (!start[2] || isSLASH(start[2])))))
1364 {
1365 COPY_NONSLASHES(tmpstart,start); /* copy "." or ".." */
1366 *tmpstart = '\0';
1367 continue;
1368 }
1369
1370 /* if this is the end, bust outta here */
1371 if (!*start)
1372 break;
8ac9c18d 1373
bb27e7b6
JH
1374 /* now we're at a non-slash; walk up to next slash */
1375 while (*start && !isSLASH(*start))
8ac9c18d 1376 ++start;
8ac9c18d
GS
1377
1378 /* stop and find full name of component */
bb27e7b6 1379 sep = *start;
8ac9c18d
GS
1380 *start = '\0';
1381 fhand = FindFirstFile(path,&fdata);
bb27e7b6 1382 *start = sep;
8ac9c18d 1383 if (fhand != INVALID_HANDLE_VALUE) {
bb27e7b6
JH
1384 STRLEN len = strlen(fdata.cFileName);
1385 if ((STRLEN)(tmpbuf + sizeof(tmpbuf) - tmpstart) > len) {
1386 strcpy(tmpstart, fdata.cFileName);
1387 tmpstart += len;
1388 FindClose(fhand);
1389 }
1390 else {
1391 FindClose(fhand);
1392 errno = ERANGE;
1393 return Nullch;
1394 }
8ac9c18d
GS
1395 }
1396 else {
1397 /* failed a step, just return without side effects */
bf49b057 1398 /*PerlIO_printf(Perl_debug_log, "Failed to find %s\n", path);*/
bb27e7b6 1399 errno = EINVAL;
8ac9c18d
GS
1400 return Nullch;
1401 }
1402 }
1403 strcpy(path,tmpbuf);
1404 return path;
1405}
1406
0551aaa8
GS
1407DllExport char *
1408win32_getenv(const char *name)
1409{
acfe0abc 1410 dTHX;
82867ecf 1411 WCHAR wBuffer[MAX_PATH+1];
0551aaa8 1412 DWORD needlen;
51371543 1413 SV *curitem = Nullsv;
58a50f62 1414
7fac1903 1415 if (USING_WIDE()) {
0cb96387 1416 A2WHELPER(name, wBuffer, sizeof(wBuffer));
51371543 1417 needlen = GetEnvironmentVariableW(wBuffer, NULL, 0);
7fac1903
GS
1418 }
1419 else
51371543 1420 needlen = GetEnvironmentVariableA(name,NULL,0);
58a50f62 1421 if (needlen != 0) {
51371543 1422 curitem = sv_2mortal(newSVpvn("", 0));
7fac1903 1423 if (USING_WIDE()) {
51371543
GS
1424 SV *acuritem;
1425 do {
1426 SvGROW(curitem, (needlen+1)*sizeof(WCHAR));
1427 needlen = GetEnvironmentVariableW(wBuffer,
1428 (WCHAR*)SvPVX(curitem),
1429 needlen);
1430 } while (needlen >= SvLEN(curitem)/sizeof(WCHAR));
c5be433b 1431 SvCUR_set(curitem, (needlen*sizeof(WCHAR))+1);
51371543
GS
1432 acuritem = sv_2mortal(newSVsv(curitem));
1433 W2AHELPER((WCHAR*)SvPVX(acuritem), SvPVX(curitem), SvCUR(curitem));
7fac1903
GS
1434 }
1435 else {
51371543
GS
1436 do {
1437 SvGROW(curitem, needlen+1);
1438 needlen = GetEnvironmentVariableA(name,SvPVX(curitem),
1439 needlen);
1440 } while (needlen >= SvLEN(curitem));
1441 SvCUR_set(curitem, needlen);
58a50f62 1442 }
0551aaa8 1443 }
c934e9d4 1444 else {
7a5f8e82 1445 /* allow any environment variables that begin with 'PERL'
c934e9d4 1446 to be stored in the registry */
51371543 1447 if (strncmp(name, "PERL", 4) == 0)
c5be433b 1448 (void)get_regstr(name, &curitem);
c69f6586 1449 }
51371543
GS
1450 if (curitem && SvCUR(curitem))
1451 return SvPVX(curitem);
58a50f62 1452
51371543 1453 return Nullch;
0551aaa8
GS
1454}
1455
ac5c734f
GS
1456DllExport int
1457win32_putenv(const char *name)
1458{
acfe0abc 1459 dTHX;
ac5c734f
GS
1460 char* curitem;
1461 char* val;
7fac1903
GS
1462 WCHAR* wCuritem;
1463 WCHAR* wVal;
1464 int length, relval = -1;
51371543 1465
73c4f7a1 1466 if (name) {
7fac1903
GS
1467 if (USING_WIDE()) {
1468 length = strlen(name)+1;
1469 New(1309,wCuritem,length,WCHAR);
c5be433b 1470 A2WHELPER(name, wCuritem, length*sizeof(WCHAR));
7fac1903 1471 wVal = wcschr(wCuritem, '=');
7766f137 1472 if (wVal) {
7fac1903 1473 *wVal++ = '\0';
7766f137 1474 if (SetEnvironmentVariableW(wCuritem, *wVal ? wVal : NULL))
7fac1903
GS
1475 relval = 0;
1476 }
1477 Safefree(wCuritem);
1478 }
1479 else {
1480 New(1309,curitem,strlen(name)+1,char);
1481 strcpy(curitem, name);
1482 val = strchr(curitem, '=');
7766f137 1483 if (val) {
7fac1903
GS
1484 /* The sane way to deal with the environment.
1485 * Has these advantages over putenv() & co.:
1486 * * enables us to store a truly empty value in the
1487 * environment (like in UNIX).
1488 * * we don't have to deal with RTL globals, bugs and leaks.
1489 * * Much faster.
1490 * Why you may want to enable USE_WIN32_RTL_ENV:
1491 * * environ[] and RTL functions will not reflect changes,
1492 * which might be an issue if extensions want to access
1493 * the env. via RTL. This cuts both ways, since RTL will
1494 * not see changes made by extensions that call the Win32
1495 * functions directly, either.
1496 * GSAR 97-06-07
1497 */
1498 *val++ = '\0';
7766f137 1499 if (SetEnvironmentVariableA(curitem, *val ? val : NULL))
7fac1903
GS
1500 relval = 0;
1501 }
1502 Safefree(curitem);
ac5c734f 1503 }
ac5c734f
GS
1504 }
1505 return relval;
1506}
1507
d55594ae 1508static long
2d7a9237 1509filetime_to_clock(PFILETIME ft)
d55594ae 1510{
7766f137
GS
1511 __int64 qw = ft->dwHighDateTime;
1512 qw <<= 32;
1513 qw |= ft->dwLowDateTime;
1514 qw /= 10000; /* File time ticks at 0.1uS, clock at 1mS */
1515 return (long) qw;
d55594ae
GS
1516}
1517
f3986ebb
GS
1518DllExport int
1519win32_times(struct tms *timebuf)
0a753a76 1520{
d55594ae
GS
1521 FILETIME user;
1522 FILETIME kernel;
1523 FILETIME dummy;
50ee8e5e 1524 clock_t process_time_so_far = clock();
3fadfdf1 1525 if (GetProcessTimes(GetCurrentProcess(), &dummy, &dummy,
d55594ae 1526 &kernel,&user)) {
2d7a9237
GS
1527 timebuf->tms_utime = filetime_to_clock(&user);
1528 timebuf->tms_stime = filetime_to_clock(&kernel);
d55594ae
GS
1529 timebuf->tms_cutime = 0;
1530 timebuf->tms_cstime = 0;
3fadfdf1 1531 } else {
d55594ae 1532 /* That failed - e.g. Win95 fallback to clock() */
50ee8e5e 1533 timebuf->tms_utime = process_time_so_far;
d55594ae
GS
1534 timebuf->tms_stime = 0;
1535 timebuf->tms_cutime = 0;
1536 timebuf->tms_cstime = 0;
1537 }
50ee8e5e 1538 return process_time_so_far;
0a753a76
PP
1539}
1540
9c51cf4c 1541/* fix utime() so it works on directories in NT */
ad0751ec
GS
1542static BOOL
1543filetime_from_time(PFILETIME pFileTime, time_t Time)
1544{
9c51cf4c 1545 struct tm *pTM = localtime(&Time);
ad0751ec 1546 SYSTEMTIME SystemTime;
9c51cf4c 1547 FILETIME LocalTime;
ad0751ec
GS
1548
1549 if (pTM == NULL)
1550 return FALSE;
1551
1552 SystemTime.wYear = pTM->tm_year + 1900;
1553 SystemTime.wMonth = pTM->tm_mon + 1;
1554 SystemTime.wDay = pTM->tm_mday;
1555 SystemTime.wHour = pTM->tm_hour;
1556 SystemTime.wMinute = pTM->tm_min;
1557 SystemTime.wSecond = pTM->tm_sec;
1558 SystemTime.wMilliseconds = 0;
1559
9c51cf4c
GS
1560 return SystemTimeToFileTime(&SystemTime, &LocalTime) &&
1561 LocalFileTimeToFileTime(&LocalTime, pFileTime);
ad0751ec
GS
1562}
1563
1564DllExport int
7766f137
GS
1565win32_unlink(const char *filename)
1566{
acfe0abc 1567 dTHX;
7766f137
GS
1568 int ret;
1569 DWORD attrs;
1570
1571 if (USING_WIDE()) {
82867ecf 1572 WCHAR wBuffer[MAX_PATH+1];
e9ff6d27 1573 WCHAR* pwBuffer;
7766f137
GS
1574
1575 A2WHELPER(filename, wBuffer, sizeof(wBuffer));
e9ff6d27
GS
1576 pwBuffer = PerlDir_mapW(wBuffer);
1577 attrs = GetFileAttributesW(pwBuffer);
c00206c8
GS
1578 if (attrs == 0xFFFFFFFF)
1579 goto fail;
7766f137 1580 if (attrs & FILE_ATTRIBUTE_READONLY) {
e9ff6d27
GS
1581 (void)SetFileAttributesW(pwBuffer, attrs & ~FILE_ATTRIBUTE_READONLY);
1582 ret = _wunlink(pwBuffer);
7766f137 1583 if (ret == -1)
e9ff6d27 1584 (void)SetFileAttributesW(pwBuffer, attrs);
7766f137
GS
1585 }
1586 else
e9ff6d27 1587 ret = _wunlink(pwBuffer);
7766f137
GS
1588 }
1589 else {
e9ff6d27
GS
1590 filename = PerlDir_mapA(filename);
1591 attrs = GetFileAttributesA(filename);
c00206c8
GS
1592 if (attrs == 0xFFFFFFFF)
1593 goto fail;
7766f137 1594 if (attrs & FILE_ATTRIBUTE_READONLY) {
e9ff6d27
GS
1595 (void)SetFileAttributesA(filename, attrs & ~FILE_ATTRIBUTE_READONLY);
1596 ret = unlink(filename);
7766f137 1597 if (ret == -1)
e9ff6d27 1598 (void)SetFileAttributesA(filename, attrs);
7766f137
GS
1599 }
1600 else
e9ff6d27 1601 ret = unlink(filename);
7766f137
GS
1602 }
1603 return ret;
c00206c8
GS
1604fail:
1605 errno = ENOENT;
1606 return -1;
7766f137
GS
1607}
1608
1609DllExport int
3b405fc5 1610win32_utime(const char *filename, struct utimbuf *times)
ad0751ec 1611{
acfe0abc 1612 dTHX;
ad0751ec
GS
1613 HANDLE handle;
1614 FILETIME ftCreate;
1615 FILETIME ftAccess;
1616 FILETIME ftWrite;
1617 struct utimbuf TimeBuffer;
82867ecf 1618 WCHAR wbuffer[MAX_PATH+1];
e9ff6d27 1619 WCHAR* pwbuffer;
ad0751ec 1620
7fac1903
GS
1621 int rc;
1622 if (USING_WIDE()) {
0cb96387 1623 A2WHELPER(filename, wbuffer, sizeof(wbuffer));
e9ff6d27
GS
1624 pwbuffer = PerlDir_mapW(wbuffer);
1625 rc = _wutime(pwbuffer, (struct _utimbuf*)times);
7fac1903
GS
1626 }
1627 else {
e9ff6d27
GS
1628 filename = PerlDir_mapA(filename);
1629 rc = utime(filename, times);
7fac1903 1630 }
ad0751ec
GS
1631 /* EACCES: path specifies directory or readonly file */
1632 if (rc == 0 || errno != EACCES /* || !IsWinNT() */)
1633 return rc;
1634
1635 if (times == NULL) {
1636 times = &TimeBuffer;
1637 time(&times->actime);
1638 times->modtime = times->actime;
1639 }
1640
1641 /* This will (and should) still fail on readonly files */
7fac1903 1642 if (USING_WIDE()) {
e9ff6d27 1643 handle = CreateFileW(pwbuffer, GENERIC_READ | GENERIC_WRITE,
7fac1903
GS
1644 FILE_SHARE_READ | FILE_SHARE_DELETE, NULL,
1645 OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL);
1646 }
1647 else {
e9ff6d27 1648 handle = CreateFileA(filename, GENERIC_READ | GENERIC_WRITE,
7fac1903
GS
1649 FILE_SHARE_READ | FILE_SHARE_DELETE, NULL,
1650 OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL);
1651 }
ad0751ec
GS
1652 if (handle == INVALID_HANDLE_VALUE)
1653 return rc;
1654
1655 if (GetFileTime(handle, &ftCreate, &ftAccess, &ftWrite) &&
1656 filetime_from_time(&ftAccess, times->actime) &&
1657 filetime_from_time(&ftWrite, times->modtime) &&
1658 SetFileTime(handle, &ftCreate, &ftAccess, &ftWrite))
1659 {
1660 rc = 0;
1661 }
1662
1663 CloseHandle(handle);
1664 return rc;
1665}
1666
6e3b076d
JH
1667typedef union {
1668 unsigned __int64 ft_i64;
1669 FILETIME ft_val;
1670} FT_t;
1671
1672#ifdef __GNUC__
1673#define Const64(x) x##LL
1674#else
1675#define Const64(x) x##i64
1676#endif
1677/* Number of 100 nanosecond units from 1/1/1601 to 1/1/1970 */
1678#define EPOCH_BIAS Const64(116444736000000000)
1679
57ab3dfe
GS
1680/* NOTE: This does not compute the timezone info (doing so can be expensive,
1681 * and appears to be unsupported even by glibc) */
1682DllExport int
1683win32_gettimeofday(struct timeval *tp, void *not_used)
1684{
6e3b076d
JH
1685 FT_t ft;
1686
1687 /* this returns time in 100-nanosecond units (i.e. tens of usecs) */
1688 GetSystemTimeAsFileTime(&ft.ft_val);
1689
1690 /* seconds since epoch */
1691 tp->tv_sec = (long)((ft.ft_i64 - EPOCH_BIAS) / Const64(10000000));
1692
1693 /* microseconds remaining */
1694 tp->tv_usec = (long)((ft.ft_i64 / Const64(10)) % Const64(1000000));
1695
1696 return 0;
57ab3dfe
GS
1697}
1698
2d7a9237 1699DllExport int
b2af26b1
GS
1700win32_uname(struct utsname *name)
1701{
1702 struct hostent *hep;
1703 STRLEN nodemax = sizeof(name->nodename)-1;
1704 OSVERSIONINFO osver;
1705
1706 memset(&osver, 0, sizeof(OSVERSIONINFO));
1707 osver.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
1708 if (GetVersionEx(&osver)) {
1709 /* sysname */
1710 switch (osver.dwPlatformId) {
1711 case VER_PLATFORM_WIN32_WINDOWS:
1712 strcpy(name->sysname, "Windows");
1713 break;
1714 case VER_PLATFORM_WIN32_NT:
1715 strcpy(name->sysname, "Windows NT");
1716 break;
1717 case VER_PLATFORM_WIN32s:
1718 strcpy(name->sysname, "Win32s");
1719 break;
1720 default:
1721 strcpy(name->sysname, "Win32 Unknown");
1722 break;
1723 }
1724
cf6cacac
GS
1725 /* release */
1726 sprintf(name->release, "%d.%d",
b2af26b1
GS
1727 osver.dwMajorVersion, osver.dwMinorVersion);
1728
cf6cacac
GS
1729 /* version */
1730 sprintf(name->version, "Build %d",
b2af26b1
GS
1731 osver.dwPlatformId == VER_PLATFORM_WIN32_NT
1732 ? osver.dwBuildNumber : (osver.dwBuildNumber & 0xffff));
1733 if (osver.szCSDVersion[0]) {
cf6cacac 1734 char *buf = name->version + strlen(name->version);
b2af26b1
GS
1735 sprintf(buf, " (%s)", osver.szCSDVersion);
1736 }
1737 }
1738 else {
1739 *name->sysname = '\0';
1740 *name->version = '\0';
1741 *name->release = '\0';
1742 }
1743
1744 /* nodename */
1745 hep = win32_gethostbyname("localhost");
1746 if (hep) {
1747 STRLEN len = strlen(hep->h_name);
1748 if (len <= nodemax) {
1749 strcpy(name->nodename, hep->h_name);
1750 }
1751 else {
1752 strncpy(name->nodename, hep->h_name, nodemax);
1753 name->nodename[nodemax] = '\0';
1754 }
1755 }
1756 else {
1757 DWORD sz = nodemax;
1758 if (!GetComputerName(name->nodename, &sz))
1759 *name->nodename = '\0';
1760 }
1761
1762 /* machine (architecture) */
1763 {
1764 SYSTEM_INFO info;
fe537c65 1765 DWORD procarch;
b2af26b1
GS
1766 char *arch;
1767 GetSystemInfo(&info);
a6c40364 1768
6f24f39d
JK
1769#if (defined(__BORLANDC__)&&(__BORLANDC__<=0x520)) \
1770 || (defined(__MINGW32__) && !defined(_ANONYMOUS_UNION))
fe537c65 1771 procarch = info.u.s.wProcessorArchitecture;
a6c40364 1772#else
fe537c65 1773 procarch = info.wProcessorArchitecture;
a6c40364 1774#endif
fe537c65 1775 switch (procarch) {
b2af26b1
GS
1776 case PROCESSOR_ARCHITECTURE_INTEL:
1777 arch = "x86"; break;
1778 case PROCESSOR_ARCHITECTURE_MIPS:
1779 arch = "mips"; break;
1780 case PROCESSOR_ARCHITECTURE_ALPHA:
1781 arch = "alpha"; break;
1782 case PROCESSOR_ARCHITECTURE_PPC:
1783 arch = "ppc"; break;
fe537c65
GS
1784#ifdef PROCESSOR_ARCHITECTURE_SHX
1785 case PROCESSOR_ARCHITECTURE_SHX:
1786 arch = "shx"; break;
1787#endif
1788#ifdef PROCESSOR_ARCHITECTURE_ARM
1789 case PROCESSOR_ARCHITECTURE_ARM:
1790 arch = "arm"; break;
1791#endif
1792#ifdef PROCESSOR_ARCHITECTURE_IA64
1793 case PROCESSOR_ARCHITECTURE_IA64:
1794 arch = "ia64"; break;
1795#endif
1796#ifdef PROCESSOR_ARCHITECTURE_ALPHA64
1797 case PROCESSOR_ARCHITECTURE_ALPHA64:
1798 arch = "alpha64"; break;
1799#endif
1800#ifdef PROCESSOR_ARCHITECTURE_MSIL
1801 case PROCESSOR_ARCHITECTURE_MSIL:
1802 arch = "msil"; break;
1803#endif
1804#ifdef PROCESSOR_ARCHITECTURE_AMD64
1805 case PROCESSOR_ARCHITECTURE_AMD64:
1806 arch = "amd64"; break;
1807#endif
1808#ifdef PROCESSOR_ARCHITECTURE_IA32_ON_WIN64
1809 case PROCESSOR_ARCHITECTURE_IA32_ON_WIN64:
1810 arch = "ia32-64"; break;
1811#endif
1812#ifdef PROCESSOR_ARCHITECTURE_UNKNOWN
1813 case PROCESSOR_ARCHITECTURE_UNKNOWN:
b2af26b1 1814 arch = "unknown"; break;
fe537c65
GS
1815#endif
1816 default:
1817 sprintf(name->machine, "unknown(0x%x)", procarch);
1818 arch = name->machine;
1819 break;
b2af26b1 1820 }
fe537c65
GS
1821 if (name->machine != arch)
1822 strcpy(name->machine, arch);
b2af26b1
GS
1823 }
1824 return 0;
1825}
1826
8fb3fcfb
NIS
1827/* Timing related stuff */
1828
3fadfdf1
NIS
1829int
1830do_raise(pTHX_ int sig)
1831{
1832 if (sig < SIG_SIZE) {
1833 Sighandler_t handler = w32_sighandler[sig];
1834 if (handler == SIG_IGN) {
1835 return 0;
1836 }
1837 else if (handler != SIG_DFL) {
1838 (*handler)(sig);
1839 return 0;
1840 }
1841 else {
1842 /* Choose correct default behaviour */
1843 switch (sig) {
1844#ifdef SIGCLD
1845 case SIGCLD:
1846#endif
1847#ifdef SIGCHLD
1848 case SIGCHLD:
1849#endif
1850 case 0:
1851 return 0;
1852 case SIGTERM:
1853 default:
1854 break;
1855 }
1856 }
1857 }
1858 /* Tell caller to exit thread/process as approriate */
1859 return 1;
1860}
1861
1862void
1863sig_terminate(pTHX_ int sig)
1864{
1865 Perl_warn(aTHX_ "Terminating on signal SIG%s(%d)\n",PL_sig_name[sig], sig);
1866 /* exit() seems to be safe, my_exit() or die() is a problem in ^C
1867 thread
1868 */
1869 exit(sig);
1870}
1871
8fb3fcfb
NIS
1872DllExport int
1873win32_async_check(pTHX)
1874{
1875 MSG msg;
1876 int ours = 1;
7e5f34c0
NIS
1877 /* Passing PeekMessage -1 as HWND (2nd arg) only get PostThreadMessage() messages
1878 * and ignores window messages - should co-exist better with windows apps e.g. Tk
3fadfdf1 1879 */
222c300a 1880 while (PeekMessage(&msg, (HWND)-1, 0, 0, PM_REMOVE|PM_NOYIELD)) {
3fadfdf1 1881 int sig;
8fb3fcfb
NIS
1882 switch(msg.message) {
1883
7e5f34c0
NIS
1884#if 0
1885 /* Perhaps some other messages could map to signals ? ... */
1886 case WM_CLOSE:
3fadfdf1 1887 case WM_QUIT:
7e5f34c0 1888 /* Treat WM_QUIT like SIGHUP? */
3fadfdf1
NIS
1889 sig = SIGHUP;
1890 goto Raise;
7e5f34c0
NIS
1891 break;
1892#endif
1893
c843839f 1894 /* We use WM_USER to fake kill() with other signals */
8fb3fcfb 1895 case WM_USER: {
3fadfdf1
NIS
1896 sig = msg.wParam;
1897 Raise:
1898 if (do_raise(aTHX_ sig)) {
1899 sig_terminate(aTHX_ sig);
1900 }
8fb3fcfb
NIS
1901 break;
1902 }
3fadfdf1 1903
8fb3fcfb
NIS
1904 case WM_TIMER: {
1905 /* alarm() is a one-shot but SetTimer() repeats so kill it */
26549e08 1906 if (w32_timerid && w32_timerid==msg.wParam) {
222c300a 1907 KillTimer(NULL,w32_timerid);
3fadfdf1
NIS
1908 w32_timerid=0;
1909 }
26549e08
MB
1910 else
1911 goto FallThrough;
8fb3fcfb 1912 /* Now fake a call to signal handler */
3fadfdf1
NIS
1913 if (do_raise(aTHX_ 14)) {
1914 sig_terminate(aTHX_ 14);
1915 }
8fb3fcfb
NIS
1916 break;
1917 }
1918
1919 /* Otherwise do normal Win32 thing - in case it is useful */
1920 default:
26549e08 1921 FallThrough:
8fb3fcfb
NIS
1922 TranslateMessage(&msg);
1923 DispatchMessage(&msg);
1924 ours = 0;
1925 break;
1926 }
1927 }
05ec9bb3 1928 w32_poll_count = 0;
8fb3fcfb 1929
7e5f34c0 1930 /* Above or other stuff may have set a signal flag */
8fb3fcfb
NIS
1931 if (PL_sig_pending) {
1932 despatch_signals();
1933 }
3fadfdf1 1934 return ours;
8fb3fcfb
NIS
1935}
1936
089197fa
GS
1937/* This function will not return until the timeout has elapsed, or until
1938 * one of the handles is ready. */
8fb3fcfb
NIS
1939DllExport DWORD
1940win32_msgwait(pTHX_ DWORD count, LPHANDLE handles, DWORD timeout, LPDWORD resultp)
1941{
1942 /* We may need several goes at this - so compute when we stop */
1943 DWORD ticks = 0;
1944 if (timeout != INFINITE) {
1945 ticks = GetTickCount();
1946 timeout += ticks;
1947 }
1948 while (1) {
1949 DWORD result = MsgWaitForMultipleObjects(count,handles,FALSE,timeout-ticks, QS_ALLEVENTS);
1950 if (resultp)
1951 *resultp = result;
1952 if (result == WAIT_TIMEOUT) {
3fadfdf1
NIS
1953 /* Ran out of time - explicit return of zero to avoid -ve if we
1954 have scheduling issues
1955 */
8fb3fcfb
NIS
1956 return 0;
1957 }
1958 if (timeout != INFINITE) {
1959 ticks = GetTickCount();
1960 }
1961 if (result == WAIT_OBJECT_0 + count) {
1962 /* Message has arrived - check it */
089197fa 1963 (void)win32_async_check(aTHX);
8fb3fcfb
NIS
1964 }
1965 else {
1966 /* Not timeout or message - one of handles is ready */
1967 break;
1968 }
1969 }
1970 /* compute time left to wait */
1971 ticks = timeout - ticks;
1972 /* If we are past the end say zero */
1973 return (ticks > 0) ? ticks : 0;
1974}
1975
932b7487
RC
1976int
1977win32_internal_wait(int *status, DWORD timeout)
1978{
1979 /* XXX this wait emulation only knows about processes
1980 * spawned via win32_spawnvp(P_NOWAIT, ...).
1981 */
1982 dTHX;
1983 int i, retval;
1984 DWORD exitcode, waitcode;
1985
1986#ifdef USE_ITHREADS
1987 if (w32_num_pseudo_children) {
8fb3fcfb
NIS
1988 win32_msgwait(aTHX_ w32_num_pseudo_children, w32_pseudo_child_handles,
1989 timeout, &waitcode);
932b7487
RC
1990 /* Time out here if there are no other children to wait for. */
1991 if (waitcode == WAIT_TIMEOUT) {
1992 if (!w32_num_children) {
1993 return 0;
1994 }
1995 }
1996 else if (waitcode != WAIT_FAILED) {
1997 if (waitcode >= WAIT_ABANDONED_0
1998 && waitcode < WAIT_ABANDONED_0 + w32_num_pseudo_children)
1999 i = waitcode - WAIT_ABANDONED_0;
2000 else
2001 i = waitcode - WAIT_OBJECT_0;
2002 if (GetExitCodeThread(w32_pseudo_child_handles[i], &exitcode)) {
2003 *status = (int)((exitcode & 0xff) << 8);
2004 retval = (int)w32_pseudo_child_pids[i];
2005 remove_dead_pseudo_process(i);
2006 return -retval;
2007 }
2008 }
2009 }
2010#endif
2011
2012 if (!w32_num_children) {
2013 errno = ECHILD;
2014 return -1;
2015 }
2016
2017 /* if a child exists, wait for it to die */
8fb3fcfb 2018 win32_msgwait(aTHX_ w32_num_children, w32_child_handles, timeout, &waitcode);
932b7487
RC
2019 if (waitcode == WAIT_TIMEOUT) {
2020 return 0;
2021 }
2022 if (waitcode != WAIT_FAILED) {
2023 if (waitcode >= WAIT_ABANDONED_0
2024 && waitcode < WAIT_ABANDONED_0 + w32_num_children)
2025 i = waitcode - WAIT_ABANDONED_0;
2026 else
2027 i = waitcode - WAIT_OBJECT_0;
2028 if (GetExitCodeProcess(w32_child_handles[i], &exitcode) ) {
2029 *status = (int)((exitcode & 0xff) << 8);
2030 retval = (int)w32_child_pids[i];
2031 remove_dead_process(i);
2032 return retval;
2033 }
2034 }
2035
932b7487
RC
2036 errno = GetLastError();
2037 return -1;
2038}
2039
b2af26b1 2040DllExport int
f55ee38a
GS
2041win32_waitpid(int pid, int *status, int flags)
2042{
acfe0abc 2043 dTHX;
922b1888 2044 DWORD timeout = (flags & WNOHANG) ? 0 : INFINITE;
0aaad0ff 2045 int retval = -1;
c66b022d 2046 long child;
7766f137 2047 if (pid == -1) /* XXX threadid == 1 ? */
932b7487 2048 return win32_internal_wait(status, timeout);
7766f137
GS
2049#ifdef USE_ITHREADS
2050 else if (pid < 0) {
c66b022d 2051 child = find_pseudo_pid(-pid);
7766f137
GS
2052 if (child >= 0) {
2053 HANDLE hThread = w32_pseudo_child_handles[child];
8fb3fcfb
NIS
2054 DWORD waitcode;
2055 win32_msgwait(aTHX_ 1, &hThread, timeout, &waitcode);
2f67576d
BC
2056 if (waitcode == WAIT_TIMEOUT) {
2057 return 0;
2058 }
8fb3fcfb 2059 else if (waitcode == WAIT_OBJECT_0) {
7766f137
GS
2060 if (GetExitCodeThread(hThread, &waitcode)) {
2061 *status = (int)((waitcode & 0xff) << 8);
2062 retval = (int)w32_pseudo_child_pids[child];
2063 remove_dead_pseudo_process(child);
68a29c53 2064 return -retval;
7766f137
GS
2065 }
2066 }
2067 else
2068 errno = ECHILD;
2069 }
922b1888
GS
2070 else if (IsWin95()) {
2071 pid = -pid;
2072 goto alien_process;
2073 }
7766f137
GS
2074 }
2075#endif
f55ee38a 2076 else {
922b1888
GS
2077 HANDLE hProcess;
2078 DWORD waitcode;
c66b022d 2079 child = find_pid(pid);
0aaad0ff 2080 if (child >= 0) {
922b1888 2081 hProcess = w32_child_handles[child];
8fb3fcfb 2082 win32_msgwait(aTHX_ 1, &hProcess, timeout, &waitcode);
a7867d0a
GS
2083 if (waitcode == WAIT_TIMEOUT) {
2084 return 0;
2085 }
8fb3fcfb 2086 else if (waitcode == WAIT_OBJECT_0) {
922b1888
GS
2087 if (GetExitCodeProcess(hProcess, &waitcode)) {
2088 *status = (int)((waitcode & 0xff) << 8);
2089 retval = (int)w32_child_pids[child];
2090 remove_dead_process(child);
2091 return retval;
2092 }
a7867d0a 2093 }
0aaad0ff
GS
2094 else
2095 errno = ECHILD;
2096 }
2097 else {
922b1888
GS
2098alien_process:
2099 hProcess = OpenProcess(PROCESS_ALL_ACCESS, TRUE,
2100 (IsWin95() ? -pid : pid));
2101 if (hProcess) {
8fb3fcfb 2102 win32_msgwait(aTHX_ 1, &hProcess, timeout, &waitcode);
922b1888 2103 if (waitcode == WAIT_TIMEOUT) {
48db714f 2104 CloseHandle(hProcess);
922b1888
GS
2105 return 0;
2106 }
8fb3fcfb 2107 else if (waitcode == WAIT_OBJECT_0) {
922b1888
GS
2108 if (GetExitCodeProcess(hProcess, &waitcode)) {
2109 *status = (int)((waitcode & 0xff) << 8);
2110 CloseHandle(hProcess);
2111 return pid;
2112 }
2113 }
2114 CloseHandle(hProcess);
2115 }
2116 else
2117 errno = ECHILD;
0aaad0ff 2118 }
f55ee38a 2119 }
3fadfdf1 2120 return retval >= 0 ? pid : retval;
f55ee38a
GS
2121}
2122
2123DllExport int
2d7a9237
GS
2124win32_wait(int *status)
2125{
932b7487 2126 return win32_internal_wait(status, INFINITE);
2d7a9237 2127}
d55594ae 2128
8fb3fcfb
NIS
2129DllExport unsigned int
2130win32_sleep(unsigned int t)
d55594ae 2131{
acfe0abc 2132 dTHX;
8fb3fcfb
NIS
2133 /* Win32 times are in ms so *1000 in and /1000 out */
2134 return win32_msgwait(aTHX_ 0, NULL, t*1000, NULL)/1000;
d55594ae
GS
2135}
2136
f3986ebb
GS
2137DllExport unsigned int
2138win32_alarm(unsigned int sec)
0a753a76 2139{
3fadfdf1 2140 /*
d55594ae 2141 * the 'obvious' implentation is SetTimer() with a callback
3fadfdf1
NIS
2142 * which does whatever receiving SIGALRM would do
2143 * we cannot use SIGALRM even via raise() as it is not
d55594ae 2144 * one of the supported codes in <signal.h>
3fadfdf1 2145 */
acfe0abc 2146 dTHX;
8fb3fcfb
NIS
2147 if (sec) {
2148 w32_timerid = SetTimer(NULL,w32_timerid,sec*1000,NULL);
2149 }
2150 else {
2151 if (w32_timerid) {
2152 KillTimer(NULL,w32_timerid);
3fadfdf1 2153 w32_timerid=0;
8fb3fcfb 2154 }
3fadfdf1 2155 }
afe91769 2156 return 0;
0a753a76
PP
2157}
2158
26618a56 2159#ifdef HAVE_DES_FCRYPT
2d77217b 2160extern char * des_fcrypt(const char *txt, const char *salt, char *cbuf);
ff95b63e 2161#endif
26618a56
GS
2162
2163DllExport char *
2164win32_crypt(const char *txt, const char *salt)
2165{
acfe0abc 2166 dTHX;
ff95b63e 2167#ifdef HAVE_DES_FCRYPT
3352bfcb 2168 return des_fcrypt(txt, salt, w32_crypt_buffer);
ff95b63e 2169#else
25dbdbbc 2170 Perl_croak(aTHX_ "The crypt() function is unimplemented due to excessive paranoia.");
b8957cf1 2171 return Nullch;
ff95b63e 2172#endif
26618a56 2173}
26618a56 2174
9e5f57de 2175#ifdef USE_FIXED_OSFHANDLE
390b85e7
GS
2176
2177#define FOPEN 0x01 /* file handle open */
b181b6fb 2178#define FNOINHERIT 0x10 /* file handle opened O_NOINHERIT */
390b85e7
GS
2179#define FAPPEND 0x20 /* file handle opened O_APPEND */
2180#define FDEV 0x40 /* file handle refers to device */
2181#define FTEXT 0x80 /* file handle is in text mode */
2182
390b85e7 2183/***
c623ac67 2184*int my_open_osfhandle(intptr_t osfhandle, int flags) - open C Runtime file handle
390b85e7
GS
2185*
2186*Purpose:
2187* This function allocates a free C Runtime file handle and associates
2188* it with the Win32 HANDLE specified by the first parameter. This is a
9e5f57de
GS
2189* temperary fix for WIN95's brain damage GetFileType() error on socket
2190* we just bypass that call for socket
2191*
2192* This works with MSVC++ 4.0+ or GCC/Mingw32
390b85e7
GS
2193*
2194*Entry:
c623ac67 2195* intptr_t osfhandle - Win32 HANDLE to associate with C Runtime file handle.
390b85e7
GS
2196* int flags - flags to associate with C Runtime file handle.
2197*
2198*Exit:
2199* returns index of entry in fh, if successful
2200* return -1, if no free entry is found
2201*
2202*Exceptions:
2203*
2204*******************************************************************************/
2205
9e5f57de
GS
2206/*
2207 * we fake up some parts of the CRT that aren't exported by MSVCRT.dll
2208 * this lets sockets work on Win9X with GCC and should fix the problems
2209 * with perl95.exe
2210 * -- BKS, 1-23-2000
2211*/
2212
9e5f57de
GS
2213/* create an ioinfo entry, kill its handle, and steal the entry */
2214
b181b6fb
GS
2215static int
2216_alloc_osfhnd(void)
9e5f57de
GS
2217{
2218 HANDLE hF = CreateFile("NUL", 0, 0, NULL, OPEN_ALWAYS, 0, NULL);
c623ac67 2219 int fh = _open_osfhandle((intptr_t)hF, 0);
9e5f57de
GS
2220 CloseHandle(hF);
2221 if (fh == -1)
2222 return fh;
2223 EnterCriticalSection(&(_pioinfo(fh)->lock));
2224 return fh;
2225}
2226
390b85e7 2227static int
c623ac67 2228my_open_osfhandle(intptr_t osfhandle, int flags)
390b85e7
GS
2229{
2230 int fh;
2231 char fileflags; /* _osfile flags */
2232
2233 /* copy relevant flags from second parameter */
2234 fileflags = FDEV;
2235
9404a519 2236 if (flags & O_APPEND)
390b85e7
GS
2237 fileflags |= FAPPEND;
2238
9404a519 2239 if (flags & O_TEXT)
390b85e7
GS
2240 fileflags |= FTEXT;
2241
b181b6fb
GS
2242 if (flags & O_NOINHERIT)
2243 fileflags |= FNOINHERIT;
2244
390b85e7 2245 /* attempt to allocate a C Runtime file handle */
9404a519 2246 if ((fh = _alloc_osfhnd()) == -1) {
390b85e7
GS
2247 errno = EMFILE; /* too many open files */
2248 _doserrno = 0L; /* not an OS error */
2249 return -1; /* return error to caller */
2250 }
2251
2252 /* the file is open. now, set the info in _osfhnd array */
2253 _set_osfhnd(fh, osfhandle);
2254
2255 fileflags |= FOPEN; /* mark as open */
2256
390b85e7 2257 _osfile(fh) = fileflags; /* set osfile entry */
dd8f4818 2258 LeaveCriticalSection(&_pioinfo(fh)->lock);
390b85e7
GS
2259
2260 return fh; /* return handle */
2261}
2262
f3986ebb 2263#endif /* USE_FIXED_OSFHANDLE */
390b85e7
GS
2264
2265/* simulate flock by locking a range on the file */
2266
2267#define LK_ERR(f,i) ((f) ? (i = 0) : (errno = GetLastError()))
2268#define LK_LEN 0xffff0000
2269
f3986ebb
GS
2270DllExport int
2271win32_flock(int fd, int oper)
390b85e7
GS
2272{
2273 OVERLAPPED o;
2274 int i = -1;
2275 HANDLE fh;
2276
f3986ebb 2277 if (!IsWinNT()) {
acfe0abc 2278 dTHX;
4f63d024 2279 Perl_croak_nocontext("flock() unimplemented on this platform");
f3986ebb
GS
2280 return -1;
2281 }
390b85e7
GS
2282 fh = (HANDLE)_get_osfhandle(fd);
2283 memset(&o, 0, sizeof(o));
2284
2285 switch(oper) {
2286 case LOCK_SH: /* shared lock */
2287 LK_ERR(LockFileEx(fh, 0, 0, LK_LEN, 0, &o),i);
2288 break;
2289 case LOCK_EX: /* exclusive lock */
2290 LK_ERR(LockFileEx(fh, LOCKFILE_EXCLUSIVE_LOCK, 0, LK_LEN, 0, &o),i);
2291 break;
2292 case LOCK_SH|LOCK_NB: /* non-blocking shared lock */
2293 LK_ERR(LockFileEx(fh, LOCKFILE_FAIL_IMMEDIATELY, 0, LK_LEN, 0, &o),i);
2294 break;
2295 case LOCK_EX|LOCK_NB: /* non-blocking exclusive lock */
2296 LK_ERR(LockFileEx(fh,
2297 LOCKFILE_EXCLUSIVE_LOCK|LOCKFILE_FAIL_IMMEDIATELY,
2298 0, LK_LEN, 0, &o),i);
2299 break;
2300 case LOCK_UN: /* unlock lock */
2301 LK_ERR(UnlockFileEx(fh, 0, LK_LEN, 0, &o),i);
2302 break;
2303 default: /* unknown */
2304 errno = EINVAL;
2305 break;
2306 }
2307 return i;
2308}
2309
2310#undef LK_ERR
2311#undef LK_LEN
2312
68dc0745
PP
2313/*
2314 * redirected io subsystem for all XS modules
2315 *
2316 */
0a753a76 2317
68dc0745
PP
2318DllExport int *
2319win32_errno(void)
0a753a76 2320{
390b85e7 2321 return (&errno);
0a753a76
PP
2322}
2323
dcb2879a
GS
2324DllExport char ***
2325win32_environ(void)
2326{
390b85e7 2327 return (&(_environ));
dcb2879a
GS
2328}
2329
68dc0745
PP
2330/* the rest are the remapped stdio routines */
2331DllExport FILE *
2332win32_stderr(void)
0a753a76 2333{
390b85e7 2334 return (stderr);
0a753a76
PP
2335}
2336
68dc0745
PP
2337DllExport FILE *
2338win32_stdin(void)
0a753a76 2339{
390b85e7 2340 return (stdin);
0a753a76
PP
2341}
2342
68dc0745
PP
2343DllExport FILE *
2344win32_stdout()
0a753a76 2345{
390b85e7 2346 return (stdout);
0a753a76
PP
2347}
2348
68dc0745
PP
2349DllExport int
2350win32_ferror(FILE *fp)
0a753a76 2351{
390b85e7 2352 return (ferror(fp));
0a753a76
PP
2353}
2354
2355
68dc0745
PP
2356DllExport int
2357win32_feof(FILE *fp)
0a753a76 2358{
390b85e7 2359 return (feof(fp));
0a753a76
PP
2360}
2361
68dc0745 2362/*
3fadfdf1 2363 * Since the errors returned by the socket error function
68dc0745
PP
2364 * WSAGetLastError() are not known by the library routine strerror
2365 * we have to roll our own.
2366 */
0a753a76 2367
68dc0745 2368DllExport char *
3fadfdf1 2369win32_strerror(int e)
0a753a76 2370{
6f24f39d 2371#if !defined __BORLANDC__ && !defined __MINGW32__ /* compiler intolerance */
68dc0745 2372 extern int sys_nerr;
3e3baf6d 2373#endif
68dc0745 2374 DWORD source = 0;
0a753a76 2375
9404a519 2376 if (e < 0 || e > sys_nerr) {
acfe0abc 2377 dTHX;
9404a519 2378 if (e < 0)
68dc0745 2379 e = GetLastError();
0a753a76 2380
9404a519 2381 if (FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, &source, e, 0,
3352bfcb 2382 w32_strerror_buffer,
3fadfdf1 2383 sizeof(w32_strerror_buffer), NULL) == 0)
3352bfcb 2384 strcpy(w32_strerror_buffer, "Unknown Error");
0a753a76 2385
3352bfcb 2386 return w32_strerror_buffer;
68dc0745 2387 }
390b85e7 2388 return strerror(e);
0a753a76
PP
2389}
2390
22fae026 2391DllExport void
c5be433b 2392win32_str_os_error(void *sv, DWORD dwErr)
22fae026
TM
2393{
2394 DWORD dwLen;
2395 char *sMsg;
2396 dwLen = FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER
2397 |FORMAT_MESSAGE_IGNORE_INSERTS
2398 |FORMAT_MESSAGE_FROM_SYSTEM, NULL,
2399 dwErr, 0, (char *)&sMsg, 1, NULL);
2ce77adf 2400 /* strip trailing whitespace and period */
22fae026 2401 if (0 < dwLen) {
2ce77adf
GS
2402 do {
2403 --dwLen; /* dwLen doesn't include trailing null */
2404 } while (0 < dwLen && isSPACE(sMsg[dwLen]));
22fae026
TM
2405 if ('.' != sMsg[dwLen])
2406 dwLen++;
2ce77adf 2407 sMsg[dwLen] = '\0';
22fae026
TM
2408 }
2409 if (0 == dwLen) {
c69f6586 2410 sMsg = (char*)LocalAlloc(0, 64/**sizeof(TCHAR)*/);
db7c17d7
GS
2411 if (sMsg)
2412 dwLen = sprintf(sMsg,
2413 "Unknown error #0x%lX (lookup 0x%lX)",
2414 dwErr, GetLastError());
2415 }
2416 if (sMsg) {
acfe0abc 2417 dTHX;
db7c17d7
GS
2418 sv_setpvn((SV*)sv, sMsg, dwLen);
2419 LocalFree(sMsg);
22fae026 2420 }
22fae026
TM
2421}
2422
68dc0745
PP
2423DllExport int
2424win32_fprintf(FILE *fp, const char *format, ...)
0a753a76 2425{
68dc0745
PP
2426 va_list marker;
2427 va_start(marker, format); /* Initialize variable arguments. */
0a753a76 2428
390b85e7 2429 return (vfprintf(fp, format, marker));
0a753a76
PP
2430}
2431
68dc0745
PP
2432DllExport int
2433win32_printf(const char *format, ...)
0a753a76 2434{
68dc0745
PP
2435 va_list marker;
2436 va_start(marker, format); /* Initialize variable arguments. */
0a753a76 2437
390b85e7 2438 return (vprintf(format, marker));
0a753a76
PP
2439}
2440
68dc0745
PP
2441DllExport int
2442win32_vfprintf(FILE *fp, const char *format, va_list args)
0a753a76 2443{
390b85e7 2444 return (vfprintf(fp, format, args));
0a753a76
PP
2445}
2446
96e4d5b1
PP
2447DllExport int
2448win32_vprintf(const char *format, va_list args)
2449{
390b85e7 2450 return (vprintf(format, args));
96e4d5b1
PP
2451}
2452
68dc0745
PP
2453DllExport size_t
2454win32_fread(void *buf, size_t size, size_t count, FILE *fp)
0a753a76 2455{
390b85e7 2456 return fread(buf, size, count, fp);
0a753a76
PP
2457}
2458
68dc0745
PP
2459DllExport size_t
2460win32_fwrite(const void *buf, size_t size, size_t count, FILE *fp)
0a753a76 2461{
390b85e7 2462 return fwrite(buf, size, count, fp);
0a753a76
PP
2463}
2464
7fac1903
GS
2465#define MODE_SIZE 10
2466
68dc0745
PP
2467DllExport FILE *
2468win32_fopen(const char *filename, const char *mode)
0a753a76 2469{
acfe0abc 2470 dTHX;
82867ecf 2471 WCHAR wMode[MODE_SIZE], wBuffer[MAX_PATH+1];
1c5905c2 2472 FILE *f;
3fadfdf1 2473
c5be433b
GS
2474 if (!*filename)
2475 return NULL;
2476
68dc0745 2477 if (stricmp(filename, "/dev/null")==0)
7fac1903
GS
2478 filename = "NUL";
2479
2480 if (USING_WIDE()) {
0cb96387
GS
2481 A2WHELPER(mode, wMode, sizeof(wMode));
2482 A2WHELPER(filename, wBuffer, sizeof(wBuffer));
1c5905c2 2483 f = _wfopen(PerlDir_mapW(wBuffer), wMode);
7fac1903 2484 }
1c5905c2
GS
2485 else
2486 f = fopen(PerlDir_mapA(filename), 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
f3986ebb
GS
2493#ifndef USE_SOCKETS_AS_HANDLES
2494#undef fdopen
2495#define fdopen my_fdopen
2496#endif
2497
68dc0745 2498DllExport FILE *
7fac1903 2499win32_fdopen(int handle, const char *mode)
0a753a76 2500{
acfe0abc 2501 dTHX;
51371543 2502 WCHAR wMode[MODE_SIZE];
1c5905c2 2503 FILE *f;
7fac1903 2504 if (USING_WIDE()) {
0cb96387 2505 A2WHELPER(mode, wMode, sizeof(wMode));
1c5905c2 2506 f = _wfdopen(handle, wMode);
7fac1903 2507 }
1c5905c2
GS
2508 else
2509 f = fdopen(handle, (char *) mode);
2510 /* avoid buffering headaches for child processes */
2511 if (f && *mode == 'a')
2512 win32_fseek(f, 0, SEEK_END);
2513 return f;
0a753a76
PP
2514}
2515
68dc0745 2516DllExport FILE *
7fac1903 2517win32_freopen(const char *path, const char *mode, FILE *stream)
0a753a76 2518{
acfe0abc 2519 dTHX;
82867ecf 2520 WCHAR wMode[MODE_SIZE], wBuffer[MAX_PATH+1];
68dc0745 2521 if (stricmp(path, "/dev/null")==0)
7fac1903
GS
2522 path = "NUL";
2523
2524 if (USING_WIDE()) {
0cb96387
GS
2525 A2WHELPER(mode, wMode, sizeof(wMode));
2526 A2WHELPER(path, wBuffer, sizeof(wBuffer));
7766f137 2527 return _wfreopen(PerlDir_mapW(wBuffer), wMode, stream);
7fac1903 2528 }
7766f137 2529 return freopen(PerlDir_mapA(path), mode, stream);
0a753a76
PP
2530}
2531
68dc0745
PP
2532DllExport int
2533win32_fclose(FILE *pf)
0a753a76 2534{
f3986ebb 2535 return my_fclose(pf); /* defined in win32sck.c */
0a753a76
PP
2536}
2537
68dc0745
PP
2538DllExport int
2539win32_fputs(const char *s,FILE *pf)
0a753a76 2540{
390b85e7 2541 return fputs(s, pf);
0a753a76
PP
2542}
2543
68dc0745
PP
2544DllExport int
2545win32_fputc(int c,FILE *pf)
0a753a76 2546{
390b85e7 2547 return fputc(c,pf);
0a753a76
PP
2548}
2549
68dc0745
PP
2550DllExport int
2551win32_ungetc(int c,FILE *pf)
0a753a76 2552{
390b85e7 2553 return ungetc(c,pf);
0a753a76
PP
2554}
2555
68dc0745
PP
2556DllExport int
2557win32_getc(FILE *pf)
0a753a76 2558{
390b85e7 2559 return getc(pf);
0a753a76
PP
2560}
2561
68dc0745
PP
2562DllExport int
2563win32_fileno(FILE *pf)
0a753a76 2564{
390b85e7 2565 return fileno(pf);
0a753a76
PP
2566}
2567
68dc0745
PP
2568DllExport void
2569win32_clearerr(FILE *pf)
0a753a76 2570{
390b85e7 2571 clearerr(pf);
68dc0745 2572 return;
0a753a76
PP
2573}
2574
68dc0745
PP
2575DllExport int
2576win32_fflush(FILE *pf)
0a753a76 2577{
390b85e7 2578 return fflush(pf);
0a753a76
PP
2579}
2580
c623ac67 2581DllExport Off_t
68dc0745 2582win32_ftell(FILE *pf)
0a753a76 2583{
c623ac67 2584#if defined(WIN64) || defined(USE_LARGE_FILES)
a810272a
NS
2585#if defined(__BORLAND__) /* buk */
2586 return win32_tell( fileno( pf ) );
2587#else
c623ac67
GS
2588 fpos_t pos;
2589 if (fgetpos(pf, &pos))
2590 return -1;
2591 return (Off_t)pos;
a810272a 2592#endif
c623ac67 2593#else
390b85e7 2594 return ftell(pf);
c623ac67 2595#endif
0a753a76
PP
2596}
2597
68dc0745 2598DllExport int
c623ac67 2599win32_fseek(FILE *pf, Off_t offset,int origin)
0a753a76 2600{
c623ac67 2601#if defined(WIN64) || defined(USE_LARGE_FILES)
a810272a
NS
2602#if defined(__BORLANDC__) /* buk */
2603 return win32_lseek(
2604 fileno(pf),
2605 offset,
2606 origin
2607 );
2608#else
c623ac67
GS
2609 fpos_t pos;
2610 switch (origin) {
2611 case SEEK_CUR:
2612 if (fgetpos(pf, &pos))
2613 return -1;
2614 offset += pos;
2615 break;
2616 case SEEK_END:
2617 fseek(pf, 0, SEEK_END);
2618 pos = _telli64(fileno(pf));
2619 offset += pos;
2620 break;
2621 case SEEK_SET:
2622 break;
2623 default:
2624 errno = EINVAL;
2625 return -1;
2626 }
2627 return fsetpos(pf, &offset);
a810272a 2628#endif
c623ac67 2629#else
390b85e7 2630 return fseek(pf, offset, origin);
c623ac67 2631#endif
0a753a76
PP
2632}
2633
68dc0745
PP
2634DllExport int
2635win32_fgetpos(FILE *pf,fpos_t *p)
0a753a76 2636{
a810272a
NS
2637#if defined(__BORLANDC__) && defined(USE_LARGE_FILES) /* buk */
2638 if( win32_tell(fileno(pf)) == -1L ) {
2639 errno = EBADF;
2640 return -1;
2641 }
2642 return 0;
2643#else
390b85e7 2644 return fgetpos(pf, p);
a810272a 2645#endif
0a753a76
PP
2646}
2647
68dc0745
PP
2648DllExport int
2649win32_fsetpos(FILE *pf,const fpos_t *p)
0a753a76 2650{
a810272a
NS
2651#if defined(__BORLANDC__) && defined(USE_LARGE_FILES) /* buk */
2652 return win32_lseek(fileno(pf), *p, SEEK_CUR);
2653#else
390b85e7 2654 return fsetpos(pf, p);
a810272a 2655#endif
0a753a76
PP
2656}
2657
68dc0745
PP
2658DllExport void
2659win32_rewind(FILE *pf)
0a753a76 2660{
390b85e7 2661 rewind(pf);
68dc0745 2662 return;
0a753a76
PP
2663}
2664
2941a2e1
JH
2665DllExport int
2666win32_tmpfd(void)
0a753a76 2667{
b3122bc4
JH
2668 dTHX;
2669 char prefix[MAX_PATH+1];
2670 char filename[MAX_PATH+1];
2671 DWORD len = GetTempPath(MAX_PATH, prefix);
2672 if (len && len < MAX_PATH) {
2673 if (GetTempFileName(prefix, "plx", 0, filename)) {
2674 HANDLE fh = CreateFile(filename,
2675 DELETE | GENERIC_READ | GENERIC_WRITE,
2676 0,
2677 NULL,
2678 CREATE_ALWAYS,
2679 FILE_ATTRIBUTE_NORMAL
2680 | FILE_FLAG_DELETE_ON_CLOSE,
2681 NULL);
2682 if (fh != INVALID_HANDLE_VALUE) {
c623ac67 2683 int fd = win32_open_osfhandle((intptr_t)fh, 0);
b3122bc4 2684 if (fd >= 0) {
a051bdb4
VK
2685#if defined(__BORLANDC__)
2686 setmode(fd,O_BINARY);
2687#endif
b3122bc4
JH
2688 DEBUG_p(PerlIO_printf(Perl_debug_log,
2689 "Created tmpfile=%s\n",filename));
2941a2e1 2690 return fd;
b3122bc4
JH
2691 }
2692 }
2693 }
2694 }
2941a2e1
JH
2695 return -1;
2696}
2697
2698DllExport FILE*
2699win32_tmpfile(void)
2700{
2701 int fd = win32_tmpfd();
2702 if (fd >= 0)
2703 return win32_fdopen(fd, "w+b");
b3122bc4 2704 return NULL;
0a753a76
PP
2705}
2706
68dc0745
PP
2707DllExport void
2708win32_abort(void)
0a753a76 2709{
390b85e7 2710 abort();
68dc0745 2711 return;
0a753a76
PP
2712}
2713
68dc0745 2714DllExport int
c623ac67 2715win32_fstat(int fd, Stat_t *sbufptr)
0a753a76 2716{
2a07f407
VK
2717#ifdef __BORLANDC__
2718 /* A file designated by filehandle is not shown as accessible
2719 * for write operations, probably because it is opened for reading.
2720 * --Vadim Konovalov
3fadfdf1 2721 */
2a07f407
VK
2722 int rc = fstat(fd,sbufptr);
2723 BY_HANDLE_FILE_INFORMATION bhfi;
2724 if (GetFileInformationByHandle((HANDLE)_get_osfhandle(fd), &bhfi)) {
2725 sbufptr->st_mode &= 0xFE00;
2726 if (bhfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY)
2727 sbufptr->st_mode |= (S_IREAD + (S_IREAD >> 3) + (S_IREAD >> 6));
2728 else
2729 sbufptr->st_mode |= ((S_IREAD|S_IWRITE) + ((S_IREAD|S_IWRITE) >> 3)
2730 + ((S_IREAD|S_IWRITE) >> 6));
2731 }
2732 return rc;
2733#else
ed59ec62 2734 return my_fstat(fd,sbufptr);
2a07f407 2735#endif
0a753a76
PP
2736}
2737
68dc0745
PP
2738DllExport int
2739win32_pipe(int *pfd, unsigned int size, int mode)
0a753a76 2740{
390b85e7 2741 return _pipe(pfd, size, mode);
0a753a76
PP
2742}
2743
8c0134a8
NIS
2744DllExport PerlIO*
2745win32_popenlist(const char *mode, IV narg, SV **args)
2746{
2747 dTHX;
2748 Perl_croak(aTHX_ "List form of pipe open not implemented");
2749 return NULL;
2750}
2751
50892819
GS
2752/*
2753 * a popen() clone that respects PERL5SHELL
00b02797
JH
2754 *
2755 * changed to return PerlIO* rather than FILE * by BKS, 11-11-2000
50892819
GS
2756 */
2757
00b02797 2758DllExport PerlIO*
68dc0745 2759win32_popen(const char *command, const char *mode)
0a753a76 2760{
4b556e6c 2761#ifdef USE_RTL_POPEN
390b85e7 2762 return _popen(command, mode);
50892819 2763#else
2cbbe5a1 2764 dTHX;
50892819
GS
2765 int p[2];
2766 int parent, child;
2767 int stdfd, oldfd;
2768 int ourmode;
2769 int childpid;
1095be37
GS
2770 DWORD nhandle;
2771 HANDLE old_h;
2772 int lock_held = 0;
50892819
GS
2773
2774 /* establish which ends read and write */
2775 if (strchr(mode,'w')) {
2776 stdfd = 0; /* stdin */
2777 parent = 1;
2778 child = 0;
1095be37 2779 nhandle = STD_INPUT_HANDLE;
50892819
GS
2780 }
2781 else if (strchr(mode,'r')) {
2782 stdfd = 1; /* stdout */
2783 parent = 0;
2784 child = 1;
1095be37 2785 nhandle = STD_OUTPUT_HANDLE;
50892819
GS
2786 }
2787 else
2788 return NULL;
2789
2790 /* set the correct mode */
2791 if (strchr(mode,'b'))
2792 ourmode = O_BINARY;
2793 else if (strchr(mode,'t'))
2794 ourmode = O_TEXT;
2795 else
2796 ourmode = _fmode & (O_TEXT | O_BINARY);
2797
2798 /* the child doesn't inherit handles */
2799 ourmode |= O_NOINHERIT;
2800
1095be37 2801 if (win32_pipe(p, 512, ourmode) == -1)
50892819
GS
2802 return NULL;
2803
2804 /* save current stdfd */
2805 if ((oldfd = win32_dup(stdfd)) == -1)
2806 goto cleanup;
2807
498d7dc4
GS
2808 /* save the old std handle (this needs to happen before the
2809 * dup2(), since that might call SetStdHandle() too) */
2810 OP_REFCNT_LOCK;
2811 lock_held = 1;
2812 old_h = GetStdHandle(nhandle);
2813
50892819
GS
2814 /* make stdfd go to child end of pipe (implicitly closes stdfd) */
2815 /* stdfd will be inherited by the child */
2816 if (win32_dup2(p[child], stdfd) == -1)
2817 goto cleanup;
2818
2819 /* close the child end in parent */
2820 win32_close(p[child]);
2821
498d7dc4 2822 /* set the new std handle (in case dup2() above didn't) */
1095be37
GS
2823 SetStdHandle(nhandle, (HANDLE)_get_osfhandle(stdfd));
2824
50892819 2825 /* start the child */
4f63d024 2826 {
acfe0abc 2827 dTHX;
c5be433b 2828 if ((childpid = do_spawn_nowait((char*)command)) == -1)
4f63d024 2829 goto cleanup;
50892819 2830
498d7dc4
GS
2831 /* revert stdfd to whatever it was before */
2832 if (win32_dup2(oldfd, stdfd) == -1)
2833 goto cleanup;
2834
2835 /* restore the old std handle (this needs to happen after the
2836 * dup2(), since that might call SetStdHandle() too */
1095be37
GS
2837 if (lock_held) {
2838 SetStdHandle(nhandle, old_h);
2839 OP_REFCNT_UNLOCK;
2840 lock_held = 0;
2841 }
2842
4f63d024
GS
2843 /* close saved handle */
2844 win32_close(oldfd);
50892819 2845
4755096e 2846 LOCK_FDPID_MUTEX;
4f63d024 2847 sv_setiv(*av_fetch(w32_fdpid, p[parent], TRUE), childpid);
4755096e 2848 UNLOCK_FDPID_MUTEX;
d91d68c1
R
2849
2850 /* set process id so that it can be returned by perl's open() */
2851 PL_forkprocess = childpid;
4f63d024 2852 }
50892819
GS
2853
2854 /* we have an fd, return a file stream */
00b02797 2855 return (PerlIO_fdopen(p[parent], (char *)mode));
50892819
GS
2856
2857cleanup:
2858 /* we don't need to check for errors here */
2859 win32_close(p[0]);
2860 win32_close(p[1]);
1095be37
GS
2861 if (lock_held) {
2862 SetStdHandle(nhandle, old_h);
2863 OP_REFCNT_UNLOCK;
2864 lock_held = 0;
2865 }
50892819
GS
2866 if (oldfd != -1) {
2867 win32_dup2(oldfd, stdfd);
2868 win32_close(oldfd);
2869 }
2870 return (NULL);
2871
4b556e6c 2872#endif /* USE_RTL_POPEN */
0a753a76
PP
2873}
2874
50892819
GS
2875/*
2876 * pclose() clone
2877 */
2878
68dc0745 2879DllExport int
00b02797 2880win32_pclose(PerlIO *pf)
0a753a76 2881{
4b556e6c 2882#ifdef USE_RTL_POPEN
390b85e7 2883 return _pclose(pf);
50892819 2884#else
acfe0abc 2885 dTHX;
e17cb2a9
JD
2886 int childpid, status;
2887 SV *sv;
2888
4755096e 2889 LOCK_FDPID_MUTEX;
00b02797 2890 sv = *av_fetch(w32_fdpid, PerlIO_fileno(pf), TRUE);
4755096e 2891
e17cb2a9
JD
2892 if (SvIOK(sv))
2893 childpid = SvIVX(sv);
2894 else
2895 childpid = 0;
50892819
GS
2896
2897 if (!childpid) {
2898 errno = EBADF;
2899 return -1;
2900 }
2901
00b02797
JH
2902#ifdef USE_PERLIO
2903 PerlIO_close(pf);
2904#else
2905 fclose(pf);
2906#endif
e17cb2a9 2907 SvIVX(sv) = 0;
4755096e 2908 UNLOCK_FDPID_MUTEX;
e17cb2a9 2909
0aaad0ff
GS
2910 if (win32_waitpid(childpid, &status, 0) == -1)
2911 return -1;
50892819 2912
0aaad0ff 2913 return status;
50892819 2914
4b556e6c 2915#endif /* USE_RTL_POPEN */
0a753a76 2916}
6b980173
JD
2917
2918static BOOL WINAPI
2919Nt4CreateHardLinkW(
2920 LPCWSTR lpFileName,
2921 LPCWSTR lpExistingFileName,
2922 LPSECURITY_ATTRIBUTES lpSecurityAttributes)
2923{
2924 HANDLE handle;
2925 WCHAR wFullName[MAX_PATH+1];
2926 LPVOID lpContext = NULL;
2927 WIN32_STREAM_ID StreamId;
2928 DWORD dwSize = (char*)&StreamId.cStreamName - (char*)&StreamId;
2929 DWORD dwWritten;
2930 DWORD dwLen;
2931 BOOL bSuccess;
2932
2933 BOOL (__stdcall *pfnBackupWrite)(HANDLE, LPBYTE, DWORD, LPDWORD,
2934 BOOL, BOOL, LPVOID*) =
2935 (BOOL (__stdcall *)(HANDLE, LPBYTE, DWORD, LPDWORD,
2936 BOOL, BOOL, LPVOID*))
2937 GetProcAddress(GetModuleHandle("kernel32.dll"), "BackupWrite");
2938 if (pfnBackupWrite == NULL)
2939 return 0;
2940
2941 dwLen = GetFullPathNameW(lpFileName, MAX_PATH, wFullName, NULL);
2942 if (dwLen == 0)
2943 return 0;
2944 dwLen = (dwLen+1)*sizeof(WCHAR);
2945
2946 handle = CreateFileW(lpExistingFileName, FILE_WRITE_ATTRIBUTES,
2947 FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
2948 NULL, OPEN_EXISTING, 0, NULL);
2949 if (handle == INVALID_HANDLE_VALUE)
2950 return 0;
2951
2952 StreamId.dwStreamId = BACKUP_LINK;
2953 StreamId.dwStreamAttributes = 0;
2954 StreamId.dwStreamNameSize = 0;
6f24f39d
JK
2955#if defined(__BORLANDC__) \
2956 ||(defined(__MINGW32__) && !defined(_ANONYMOUS_UNION))
4ce4f76e
GS
2957 StreamId.Size.u.HighPart = 0;
2958 StreamId.Size.u.LowPart = dwLen;
2959#else
6b980173
JD
2960 StreamId.Size.HighPart = 0;
2961 StreamId.Size.LowPart = dwLen;
4ce4f76e 2962#endif
6b980173
JD
2963
2964 bSuccess = pfnBackupWrite(handle, (LPBYTE)&StreamId, dwSize, &dwWritten,
2965 FALSE, FALSE, &lpContext);
2966 if (bSuccess) {
2967 bSuccess = pfnBackupWrite(handle, (LPBYTE)wFullName, dwLen, &dwWritten,
2968 FALSE, FALSE, &lpContext);
2969 pfnBackupWrite(handle, NULL, 0, &dwWritten, TRUE, FALSE, &lpContext);
2970 }
2971
2972 CloseHandle(handle);
2973 return bSuccess;
2974}
2975
2976DllExport int
2977win32_link(const char *oldname, const char *newname)
2978{
acfe0abc 2979 dTHX;
6b980173 2980 BOOL (__stdcall *pfnCreateHardLinkW)(LPCWSTR,LPCWSTR,LPSECURITY_ATTRIBUTES);
82867ecf
GS
2981 WCHAR wOldName[MAX_PATH+1];
2982 WCHAR wNewName[MAX_PATH+1];
6b980173
JD
2983
2984 if (IsWin95())
1be9d9c6 2985 Perl_croak(aTHX_ PL_no_func, "link");
6b980173
JD
2986
2987 pfnCreateHardLinkW =
2988 (BOOL (__stdcall *)(LPCWSTR, LPCWSTR, LPSECURITY_ATTRIBUTES))
2989 GetProcAddress(GetModuleHandle("kernel32.dll"), "CreateHardLinkW");
2990 if (pfnCreateHardLinkW == NULL)
2991 pfnCreateHardLinkW = Nt4CreateHardLinkW;
2992
2993 if ((A2WHELPER(oldname, wOldName, sizeof(wOldName))) &&
2994 (A2WHELPER(newname, wNewName, sizeof(wNewName))) &&
7766f137
GS
2995 (wcscpy(wOldName, PerlDir_mapW(wOldName)),
2996 pfnCreateHardLinkW(PerlDir_mapW(wNewName), wOldName, NULL)))
6b980173
JD
2997 {
2998 return 0;
2999 }
3000 errno = (GetLastError() == ERROR_FILE_NOT_FOUND) ? ENOENT : EINVAL;
3001 return -1;
3002}
0a753a76 3003
68dc0745 3004DllExport int
8d9b2e3c 3005win32_rename(const char *oname, const char *newname)
e24c7c18 3006{
65cb15a1
GS
3007 WCHAR wOldName[MAX_PATH+1];
3008 WCHAR wNewName[MAX_PATH+1];
3009 char szOldName[MAX_PATH+1];
3010 char szNewName[MAX_PATH+1];
7fac1903 3011 BOOL bResult;
acfe0abc 3012 dTHX;
65cb15a1 3013
80252599
GS
3014 /* XXX despite what the documentation says about MoveFileEx(),
3015 * it doesn't work under Windows95!
3016 */
3017 if (IsWinNT()) {
65cb15a1 3018 DWORD dwFlags = MOVEFILE_COPY_ALLOWED;
7fac1903 3019 if (USING_WIDE()) {
0cb96387
GS
3020 A2WHELPER(oname, wOldName, sizeof(wOldName));
3021 A2WHELPER(newname, wNewName, sizeof(wNewName));
65cb15a1
GS
3022 if (wcsicmp(wNewName, wOldName))
3023 dwFlags |= MOVEFILE_REPLACE_EXISTING;
7766f137 3024 wcscpy(wOldName, PerlDir_mapW(wOldName));
65cb15a1 3025 bResult = MoveFileExW(wOldName,PerlDir_mapW(wNewName), dwFlags);
7fac1903
GS
3026 }
3027 else {
65cb15a1
GS
3028 if (stricmp(newname, oname))
3029 dwFlags |= MOVEFILE_REPLACE_EXISTING;
3030 strcpy(szOldName, PerlDir_mapA(oname));
3031 bResult = MoveFileExA(szOldName,PerlDir_mapA(newname), dwFlags);
7fac1903
GS
3032 }
3033 if (!bResult) {
80252599
GS
3034 DWORD err = GetLastError();
3035 switch (err) {
3036 case ERROR_BAD_NET_NAME:
3037 case ERROR_BAD_NETPATH:
3038 case ERROR_BAD_PATHNAME:
3039 case ERROR_FILE_NOT_FOUND:
3040 case ERROR_FILENAME_EXCED_RANGE:
3041 case ERROR_INVALID_DRIVE:
3042 case ERROR_NO_MORE_FILES:
3043 case ERROR_PATH_NOT_FOUND:
3044 errno = ENOENT;
3045 break;
3046 default:
3047 errno = EACCES;
3048 break;
3049 }
3050 return -1;
3051 }
3052 return 0;
e24c7c18 3053 }
80252599
GS
3054 else {
3055 int retval = 0;
65cb15a1 3056 char szTmpName[MAX_PATH+1];
80252599
GS
3057 char dname[MAX_PATH+1];
3058 char *endname = Nullch;
3059 STRLEN tmplen = 0;
3060 DWORD from_attr, to_attr;
3061
65cb15a1
GS
3062 strcpy(szOldName, PerlDir_mapA(oname));
3063 strcpy(szNewName, PerlDir_mapA(newname));
3064
80252599 3065 /* if oname doesn't exist, do nothing */
65cb15a1 3066 from_attr = GetFileAttributes(szOldName);
80252599
GS
3067 if (from_attr == 0xFFFFFFFF) {
3068 errno = ENOENT;
3069 return -1;
3070 }
3071
3072 /* if newname exists, rename it to a temporary name so that we
3073 * don't delete it in case oname happens to be the same file
3074 * (but perhaps accessed via a different path)
3075 */
65cb15a1 3076 to_attr = GetFileAttributes(szNewName);
80252599
GS
3077 if (to_attr != 0xFFFFFFFF) {
3078 /* if newname is a directory, we fail
3079 * XXX could overcome this with yet more convoluted logic */
3080 if (to_attr & FILE_ATTRIBUTE_DIRECTORY) {
3081 errno = EACCES;
3082 return -1;
3083 }
65cb15a1
GS
3084 tmplen = strlen(szNewName);
3085 strcpy(szTmpName,szNewName);
3086 endname = szTmpName+tmplen;
3087 for (; endname > szTmpName ; --endname) {
80252599
GS
3088 if (*endname == '/' || *endname == '\\') {
3089 *endname = '\0';
3090 break;
3091 }
3092 }
65cb15a1
GS
3093 if (endname > szTmpName)
3094 endname = strcpy(dname,szTmpName);
e24c7c18 3095 else
80252599
GS
3096 endname = ".";
3097
3098 /* get a temporary filename in same directory
3099 * XXX is this really the best we can do? */
65cb15a1 3100 if (!GetTempFileName((LPCTSTR)endname, "plr", 0, szTmpName)) {
80252599
GS
3101 errno = ENOENT;
3102 return -1;
3103 }
65cb15a1 3104 DeleteFile(szTmpName);
80252599 3105
65cb15a1 3106 retval = rename(szNewName, szTmpName);
80252599
GS
3107 if (retval != 0) {
3108 errno = EACCES;
3109 return retval;
e24c7c18
GS
3110 }
3111 }
80252599
GS
3112
3113 /* rename oname to newname */
65cb15a1 3114 retval = rename(szOldName, szNewName);
80252599
GS
3115
3116 /* if we created a temporary file before ... */
3117 if (endname != Nullch) {
3118 /* ...and rename succeeded, delete temporary file/directory */
3119 if (retval == 0)
65cb15a1 3120 DeleteFile(szTmpName);
80252599
GS
3121 /* else restore it to what it was */
3122 else
65cb15a1 3123 (void)rename(szTmpName, szNewName);
80252599
GS
3124 }
3125 return retval;
e24c7c18 3126 }
e24c7c18
GS
3127}
3128
3129DllExport int
68dc0745 3130win32_setmode(int fd, int mode)
0a753a76 3131{
390b85e7 3132 return setmode(fd, mode);
0a753a76
PP
3133}
3134
4a9d6100
GS
3135DllExport int
3136win32_chsize(int fd, Off_t size)
3137{
3138#if defined(WIN64) || defined(USE_LARGE_FILES)
3139 int retval = 0;
3140 Off_t cur, end, extend;
3141
3142 cur = win32_tell(fd);
3143 if (cur < 0)
3144 return -1;
3145 end = win32_lseek(fd, 0, SEEK_END);
3146 if (end < 0)
3147 return -1;
3148 extend = size - end;
3149 if (extend == 0) {
3150 /* do nothing */
3151 }
3152 else if (extend > 0) {
3153 /* must grow the file, padding with nulls */
3154 char b[4096];
3155 int oldmode = win32_setmode(fd, O_BINARY);
3156 size_t count;
3157 memset(b, '\0', sizeof(b));
3158 do {
3159 count = extend >= sizeof(b) ? sizeof(b) : (size_t)extend;
3160 count = win32_write(fd, b, count);
21424390 3161 if ((int)count < 0) {
4a9d6100
GS
3162 retval = -1;
3163 break;
3164 }
3165 } while ((extend -= count) > 0);
3166 win32_setmode(fd, oldmode);
3167 }
3168 else {
3169 /* shrink the file */
3170 win32_lseek(fd, size, SEEK_SET);
3171 if (!SetEndOfFile((HANDLE)_get_osfhandle(fd))) {
3172 errno = EACCES;
3173 retval = -1;
3174 }
3175 }
3176finish:
3177 win32_lseek(fd, cur, SEEK_SET);
3178 return retval;
3179#else
3180 return chsize(fd, size);
3181#endif
3182}
3183
c623ac67
GS
3184DllExport Off_t
3185win32_lseek(int fd, Off_t offset, int origin)
96e4d5b1 3186{
c623ac67 3187#if defined(WIN64) || defined(USE_LARGE_FILES)
a810272a
NS
3188#if defined(__BORLANDC__) /* buk */
3189 LARGE_INTEGER pos;
3190 pos.QuadPart = offset;
3191 pos.LowPart = SetFilePointer(
3192 (HANDLE)_get_osfhandle(fd),
3193 pos.LowPart,
3194 &pos.HighPart,
3195 origin
3196 );
3197 if (pos.LowPart == INVALID_SET_FILE_POINTER && GetLastError() != NO_ERROR) {
3198 pos.QuadPart = -1;
3199 }
3200
3201 return pos.QuadPart;
3202#else
c623ac67 3203 return _lseeki64(fd, offset, origin);
a810272a 3204#endif
c623ac67 3205#else
390b85e7 3206 return lseek(fd, offset, origin);
c623ac67 3207#endif
96e4d5b1
PP
3208}
3209
c623ac67 3210DllExport Off_t
96e4d5b1
PP
3211win32_tell(int fd)
3212{
c623ac67 3213#if defined(WIN64) || defined(USE_LARGE_FILES)
05e23382 3214#if defined(__BORLANDC__) /* buk */
a810272a
NS
3215 LARGE_INTEGER pos;
3216 pos.QuadPart = 0;
3217 pos.LowPart = SetFilePointer(
3218 (HANDLE)_get_osfhandle(fd),
3219 pos.LowPart,
3220 &pos.HighPart,
3221 FILE_CURRENT
3222 );
3223 if (pos.LowPart == INVALID_SET_FILE_POINTER && GetLastError() != NO_ERROR) {
3224 pos.QuadPart = -1;
3225 }
3226
3227 return pos.QuadPart;
3228 /* return tell(fd); */
3229#else
c623ac67 3230 return _telli64(fd);
a810272a 3231#endif
c623ac67 3232#else
390b85e7 3233 return tell(fd);
c623ac67 3234#endif
96e4d5b1
PP
3235}
3236
68dc0745
PP
3237DllExport int
3238win32_open(const char *path, int flag, ...)
0a753a76 3239{
acfe0abc 3240 dTHX;
68dc0745
PP
3241 va_list ap;
3242 int pmode;
82867ecf 3243 WCHAR wBuffer[MAX_PATH+1];
0a753a76
PP
3244
3245 va_start(ap, flag);
3246 pmode = va_arg(ap, int);
3247 va_end(ap);
3248
68dc0745 3249 if (stricmp(path, "/dev/null")==0)
7fac1903
GS
3250 path = "NUL";
3251
3252 if (USING_WIDE()) {
0cb96387 3253 A2WHELPER(path, wBuffer, sizeof(wBuffer));
7766f137 3254 return _wopen(PerlDir_mapW(wBuffer), flag, pmode);
7fac1903 3255 }
7766f137 3256 return open(PerlDir_mapA(path), flag, pmode);
0a753a76
PP
3257}
3258
00b02797
JH
3259/* close() that understands socket */
3260extern int my_close(int); /* in win32sck.c */
3261
68dc0745
PP
3262DllExport int
3263win32_close(int fd)
0a753a76 3264{
00b02797 3265 return my_close(fd);
0a753a76
PP
3266}
3267
68dc0745 3268DllExport int
96e4d5b1
PP
3269win32_eof(int fd)
3270{
390b85e7 3271 return eof(fd);
96e4d5b1
PP
3272}
3273
3274DllExport int
68dc0745 3275win32_dup(int fd)
0a753a76 3276{
390b85e7 3277 return dup(fd);
0a753a76
PP
3278}
3279
68dc0745
PP
3280DllExport int
3281win32_dup2(int fd1,int fd2)
0a753a76 3282{
390b85e7 3283 return dup2(fd1,fd2);
0a753a76
PP
3284}
3285
f7aeb604
GS
3286#ifdef PERL_MSVCRT_READFIX
3287
3288#define LF 10 /* line feed */
3289#define CR 13 /* carriage return */
3290#define CTRLZ 26 /* ctrl-z means eof for text */
3291#define FOPEN 0x01 /* file handle open */
3292#define FEOFLAG 0x02 /* end of file has been encountered */
3293#define FCRLF 0x04 /* CR-LF across read buffer (in text mode) */
3294#define FPIPE 0x08 /* file handle refers to a pipe */
3295#define FAPPEND 0x20 /* file handle opened O_APPEND */
3296#define FDEV 0x40 /* file handle refers to device */
3297#define FTEXT 0x80 /* file handle is in text mode */
3298#define MAX_DESCRIPTOR_COUNT (64*32) /* this is the maximun that MSVCRT can handle */
3299
b181b6fb
GS
3300int __cdecl
3301_fixed_read(int fh, void *buf, unsigned cnt)
f7aeb604
GS
3302{
3303 int bytes_read; /* number of bytes read */
3304 char *buffer; /* buffer to read to */
3305 int os_read; /* bytes read on OS call */
3306 char *p, *q; /* pointers into buffer */
3307 char peekchr; /* peek-ahead character */
3308 ULONG filepos; /* file position after seek */
3309 ULONG dosretval; /* o.s. return value */
3310
3311 /* validate handle */
3312 if (((unsigned)fh >= (unsigned)MAX_DESCRIPTOR_COUNT) ||
3313 !(_osfile(fh) & FOPEN))
3314 {
3315 /* out of range -- return error */
3316 errno = EBADF;
3317 _doserrno = 0; /* not o.s. error */
3318 return -1;
3319 }
3320
635bbe87
GS
3321 /*
3322 * If lockinitflag is FALSE, assume fd is device
3323 * lockinitflag is set to TRUE by open.
3324 */
3325 if (_pioinfo(fh)->lockinitflag)
3326 EnterCriticalSection(&(_pioinfo(fh)->lock)); /* lock file */
f7aeb604
GS
3327
3328 bytes_read = 0; /* nothing read yet */
3329 buffer = (char*)buf;
3330
3331 if (cnt == 0 || (_osfile(fh) & FEOFLAG)) {
3332 /* nothing to read or at EOF, so return 0 read */
3333 goto functionexit;
3334 }
3335
3336 if ((_osfile(fh) & (FPIPE|FDEV)) && _pipech(fh) != LF) {
3337 /* a pipe/device and pipe lookahead non-empty: read the lookahead
3338 * char */
3339 *buffer++ = _pipech(fh);
3340 ++bytes_read;
3341 --cnt;
3342 _pipech(fh) = LF; /* mark as empty */
3343 }
3344
3345 /* read the data */
3346
3347 if (!ReadFile((HANDLE)_osfhnd(fh), buffer, cnt, (LPDWORD)&os_read, NULL))
3348 {
3349 /* ReadFile has reported an error. recognize two special cases.
3350 *
3351 * 1. map ERROR_ACCESS_DENIED to EBADF
3352 *
3353 * 2. just return 0 if ERROR_BROKEN_PIPE has occurred. it
3354 * means the handle is a read-handle on a pipe for which
3355 * all write-handles have been closed and all data has been
3356 * read. */
3357
3358 if ((dosretval = GetLastError()) == ERROR_ACCESS_DENIED) {
3359 /* wrong read/write mode should return EBADF, not EACCES */
3360 errno = EBADF;
3361 _doserrno = dosretval;
3362 bytes_read = -1;
3363 goto functionexit;
3364 }
3365 else if (dosretval == ERROR_BROKEN_PIPE) {
3366 bytes_read = 0;
3367 goto functionexit;
3368 }
3369 else {
3370 bytes_read = -1;
3371 goto functionexit;
3372 }
3373 }
3374
3375 bytes_read += os_read; /* update bytes read */
3376
3377 if (_osfile(fh) & FTEXT) {
3378 /* now must translate CR-LFs to LFs in the buffer */
3379
3380 /* set CRLF flag to indicate LF at beginning of buffer */
3381 /* if ((os_read != 0) && (*(char *)buf == LF)) */
3382 /* _osfile(fh) |= FCRLF; */
3383 /* else */
3384 /* _osfile(fh) &= ~FCRLF; */
3385
3386 _osfile(fh) &= ~FCRLF;
3387
3388 /* convert chars in the buffer: p is src, q is dest */
3389 p = q = (char*)buf;
3390 while (p < (char *)buf + bytes_read) {
3391 if (*p == CTRLZ) {
3392 /* if fh is not a device, set ctrl-z flag */
3393 if (!(_osfile(fh) & FDEV))
3394 _osfile(fh) |= FEOFLAG;
3395 break; /* stop translating */
3396 }
3397 else if (*p != CR)
3398 *q++ = *p++;
3399 else {
3400 /* *p is CR, so must check next char for LF */
3401 if (p < (char *)buf + bytes_read - 1) {
3402 if (*(p+1) == LF) {
3403 p += 2;
3404 *q++ = LF; /* convert CR-LF to LF */
3405 }
3406 else
3407 *q++ = *p++; /* store char normally */
3408 }
3409 else {
3410 /* This is the hard part. We found a CR at end of
3411 buffer. We must peek ahead to see if next char
3412 is an LF. */
3413 ++p;
3414
3415 dosretval = 0;
3416 if (!ReadFile((HANDLE)_osfhnd(fh), &peekchr, 1,
3417 (LPDWORD)&os_read, NULL))
3418 dosretval = GetLastError();
3419
3420 if (dosretval != 0 || os_read == 0) {
3421 /* couldn't read ahead, store CR */
3422 *q++ = CR;
3423 }
3424 else {
3425 /* peekchr now has the extra character -- we now
3426 have several possibilities:
3427 1. disk file and char is not LF; just seek back
3428 and copy CR
3429 2. disk file and char is LF; store LF, don't seek back
3430 3. pipe/device and char is LF; store LF.
3431 4. pipe/device and char isn't LF, store CR and
3432 put char in pipe lookahead buffer. */
3433 if (_osfile(fh) & (FDEV|FPIPE)) {
3434 /* non-seekable device */
3435 if (peekchr == LF)
3436 *q++ = LF;
3437 else {
3438 *q++ = CR;
3439 _pipech(fh) = peekchr;
3440 }
3441 }
3442 else {
3443 /* disk file */
3444 if (peekchr == LF) {
3445 /* nothing read yet; must make some
3446 progress */
3447 *q++ = LF;
3448 /* turn on this flag for tell routine */
3449 _osfile(fh) |= FCRLF;
3450 }
3451 else {
3452 HANDLE osHandle; /* o.s. handle value */
3453 /* seek back */
3454 if ((osHandle = (HANDLE)_get_osfhandle(fh)) != (HANDLE)-1)
3455 {
3456 if ((filepos = SetFilePointer(osHandle, -1, NULL, FILE_CURRENT)) == -1)
3457 dosretval = GetLastError();
3458 }
3459 if (peekchr != LF)
3460 *q++ = CR;
3461 }
3462 }
3463 }
3464 }
3465 }
3466 }
3467
3468 /* we now change bytes_read to reflect the true number of chars
3469 in the buffer */
3470 bytes_read = q - (char *)buf;
3471 }
3472
3fadfdf1 3473functionexit:
635bbe87
GS
3474 if (_pioinfo(fh)->lockinitflag)
3475 LeaveCriticalSection(&(_pioinfo(fh)->lock)); /* unlock file */
f7aeb604
GS
3476
3477 return bytes_read;
3478}
3479
3480#endif /* PERL_MSVCRT_READFIX */
3481
68dc0745 3482DllExport int
3e3baf6d 3483win32_read(int fd, void *buf, unsigned int cnt)
0a753a76 3484{
f7aeb604
GS
3485#ifdef PERL_MSVCRT_READFIX
3486 return _fixed_read(fd, buf, cnt);
3487#else
390b85e7 3488 return read(fd, buf, cnt);
f7aeb604 3489#endif
0a753a76
PP
3490}
3491
68dc0745 3492DllExport int
3e3baf6d 3493win32_write(int fd, const void *buf, unsigned int cnt)
0a753a76 3494{
390b85e7 3495 return write(fd, buf, cnt);
0a753a76
PP
3496}
3497
68dc0745 3498DllExport int
5aabfad6
PP
3499win32_mkdir(const char *dir, int mode)
3500{
acfe0abc 3501 dTHX;
7766f137 3502 if (USING_WIDE()) {
82867ecf 3503 WCHAR wBuffer[MAX_PATH+1];
7766f137
GS
3504 A2WHELPER(dir, wBuffer, sizeof(wBuffer));
3505 return _wmkdir(PerlDir_mapW(wBuffer));
3506 }
3507 return mkdir(PerlDir_mapA(dir)); /* just ignore mode */
5aabfad6 3508}
96e4d5b1 3509
5aabfad6
PP
3510DllExport int
3511win32_rmdir(const char *dir)
3512{
acfe0abc 3513 dTHX;
7766f137 3514 if (USING_WIDE()) {
82867ecf 3515 WCHAR wBuffer[MAX_PATH+1];
7766f137
GS
3516 A2WHELPER(dir, wBuffer, sizeof(wBuffer));
3517 return _wrmdir(PerlDir_mapW(wBuffer));
3518 }
3519 return rmdir(PerlDir_mapA(dir));
5aabfad6 3520}
96e4d5b1 3521
5aabfad6
PP
3522DllExport int
3523win32_chdir(const char *dir)
3524{
4ae93879 3525 dTHX;
9ec3348a
JH
3526 if (!dir) {
3527 errno = ENOENT;
3528 return -1;
3529 }
7766f137 3530 if (USING_WIDE()) {
82867ecf 3531 WCHAR wBuffer[MAX_PATH+1];
7766f137
GS
3532 A2WHELPER(dir, wBuffer, sizeof(wBuffer));
3533 return _wchdir(wBuffer);
3534 }
390b85e7 3535 return chdir(dir);
5aabfad6 3536}
96e4d5b1 3537
7766f137
GS
3538DllExport int
3539win32_access(const char *path, int mode)
3540{
acfe0abc 3541 dTHX;
7766f137 3542 if (USING_WIDE()) {
82867ecf 3543 WCHAR wBuffer[MAX_PATH+1];
7766f137
GS
3544 A2WHELPER(path, wBuffer, sizeof(wBuffer));
3545 return _waccess(PerlDir_mapW(wBuffer), mode);
3546 }
3547 return access(PerlDir_mapA(path), mode);
3548}
3549
3550DllExport int
3551win32_chmod(const char *path, int mode)
3552{
acfe0abc 3553 dTHX;
7766f137 3554 if (USING_WIDE()) {
82867ecf 3555 WCHAR wBuffer[MAX_PATH+1];
7766f137
GS
3556 A2WHELPER(path, wBuffer, sizeof(wBuffer));
3557 return _wchmod(PerlDir_mapW(wBuffer), mode);
3558 }
3559 return chmod(PerlDir_mapA(path), mode);
3560}
3561
3562
0aaad0ff 3563static char *
dd7038b3 3564create_command_line(char *cname, STRLEN clen, const char * const *args)
0aaad0ff 3565{
acfe0abc 3566 dTHX;
b309b8ae
JH
3567 int index, argc;
3568 char *cmd, *ptr;
3569 const char *arg;
3570 STRLEN len = 0;
81bc1258 3571 bool bat_file = FALSE;
b309b8ae 3572 bool cmd_shell = FALSE;
7b11e424 3573 bool dumb_shell = FALSE;
b309b8ae 3574 bool extra_quotes = FALSE;
dd7038b3 3575 bool quote_next = FALSE;
81bc1258
JH
3576
3577 if (!cname)
3578 cname = (char*)args[0];
b309b8ae
JH
3579
3580 /* The NT cmd.exe shell has the following peculiarity that needs to be
3581 * worked around. It strips a leading and trailing dquote when any
3582 * of the following is true:
3583 * 1. the /S switch was used
3584 * 2. there are more than two dquotes
3585 * 3. there is a special character from this set: &<>()@^|
3586 * 4. no whitespace characters within the two dquotes
3587 * 5. string between two dquotes isn't an executable file
3588 * To work around this, we always add a leading and trailing dquote
3589 * to the string, if the first argument is either "cmd.exe" or "cmd",
3590 * and there were at least two or more arguments passed to cmd.exe
3591 * (not including switches).
dd7038b3
JH
3592 * XXX the above rules (from "cmd /?") don't seem to be applied
3593 * always, making for the convolutions below :-(