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There are many ways to skin a Win32 (from Sarathy).
[perl5.git] / win32 / win32.c
CommitLineData
68dc0745
PP
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>
f8fb7c90
GS
18#ifndef __MINGW32__ /* GCC/Mingw32-2.95.2 forgot the WINAPI on CommandLineToArgvW() */
19# include <shellapi.h>
20#else
21 LPWSTR* WINAPI CommandLineToArgvW(LPCWSTR lpCommandLine, int * pNumArgs);
22#endif
5db10396
GS
23#include <winnt.h>
24#include <io.h>
c843839f 25#include <signal.h>
0a753a76 26
68dc0745 27/* #include "config.h" */
0a753a76 28
0a753a76
PP
29#if !defined(PERLIO_IS_STDIO) && !defined(USE_SFIO)
30#define PerlIO FILE
31#endif
32
7a9ec5a3 33#include <sys/stat.h>
0a753a76
PP
34#include "EXTERN.h"
35#include "perl.h"
c69f6586
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36
37#define NO_XSLOCKS
c5be433b 38#define PERL_NO_GET_CONTEXT
ad2e33dc 39#include "XSUB.h"
c69f6586
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40
41#include "Win32iop.h"
0a753a76 42#include <fcntl.h>
5b0d9cbe
NIS
43#ifndef __GNUC__
44/* assert.h conflicts with #define of assert in perl.h */
0a753a76 45#include <assert.h>
5b0d9cbe 46#endif
0a753a76
PP
47#include <string.h>
48#include <stdarg.h>
ad2e33dc 49#include <float.h>
ad0751ec 50#include <time.h>
3730b96e 51#if defined(_MSC_VER) || defined(__MINGW32__)
ad0751ec
GS
52#include <sys/utime.h>
53#else
54#include <utime.h>
55#endif
5b0d9cbe 56#ifdef __GNUC__
3fadfdf1 57/* Mingw32 defaults to globing command line
5b0d9cbe
NIS
58 * So we turn it off like this:
59 */
60int _CRT_glob = 0;
61#endif
62
2b260de0 63#if defined(__MINGW32__)
f8fb7c90
GS
64/* Mingw32 is missing some prototypes */
65FILE * _wfopen(LPCWSTR wszFileName, LPCWSTR wszMode);
66FILE * _wfdopen(int nFd, LPCWSTR wszMode);
67FILE * _freopen(LPCWSTR wszFileName, LPCWSTR wszMode, FILE * pOldStream);
68int _flushall();
69int _fcloseall();
2b260de0
GS
70#endif
71
72#if defined(__BORLANDC__)
0b94c7bb
GS
73# define _stat stat
74# define _utimbuf utimbuf
75#endif
76
6890e559
GS
77#define EXECF_EXEC 1
78#define EXECF_SPAWN 2
79#define EXECF_SPAWN_NOWAIT 3
80
32e30700
GS
81#if defined(PERL_IMPLICIT_SYS)
82# undef win32_get_privlib
83# define win32_get_privlib g_win32_get_privlib
84# undef win32_get_sitelib
85# define win32_get_sitelib g_win32_get_sitelib
4ea817c6
GS
86# undef win32_get_vendorlib
87# define win32_get_vendorlib g_win32_get_vendorlib
32e30700
GS
88# undef do_spawn
89# define do_spawn g_do_spawn
90# undef getlogin
91# define getlogin g_getlogin
92#endif
93
ce1da67e 94static void get_shell(void);
dff6d3cd 95static long tokenize(const char *str, char **dest, char ***destv);
c5be433b 96 int do_spawn2(char *cmd, int exectype);
e200fe59 97static BOOL has_shell_metachars(char *ptr);
2d7a9237 98static long filetime_to_clock(PFILETIME ft);
ad0751ec 99static BOOL filetime_from_time(PFILETIME ft, time_t t);
c5be433b 100static char * get_emd_part(SV **leading, char *trailing, ...);
0aaad0ff
GS
101static void remove_dead_process(long deceased);
102static long find_pid(int pid);
103static char * qualified_path(const char *cmd);
4ea817c6
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104static char * win32_get_xlib(const char *pl, const char *xlib,
105 const char *libname);
106
7766f137
GS
107#ifdef USE_ITHREADS
108static void remove_dead_pseudo_process(long child);
109static long find_pseudo_pid(int pid);
110#endif
c69f6586 111
7766f137 112START_EXTERN_C
2d7a9237 113HANDLE w32_perldll_handle = INVALID_HANDLE_VALUE;
8ac9c18d 114char w32_module_name[MAX_PATH+1];
7766f137
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115END_EXTERN_C
116
4b556e6c 117static DWORD w32_platform = (DWORD)-1;
50892819 118
7766f137
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119#define ONE_K_BUFSIZE 1024
120
3fadfdf1 121int
ba106d47
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122IsWin95(void)
123{
0cb96387 124 return (win32_os_id() == VER_PLATFORM_WIN32_WINDOWS);
3fe9a6f1
PP
125}
126
127int
ba106d47
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128IsWinNT(void)
129{
0cb96387 130 return (win32_os_id() == VER_PLATFORM_WIN32_NT);
3fe9a6f1 131}
0a753a76 132
2fa86c13
GS
133EXTERN_C void
134set_w32_module_name(void)
135{
136 char* ptr;
137 GetModuleFileName((HMODULE)((w32_perldll_handle == INVALID_HANDLE_VALUE)
138 ? GetModuleHandle(NULL)
139 : w32_perldll_handle),
140 w32_module_name, sizeof(w32_module_name));
141
142 /* try to get full path to binary (which may be mangled when perl is
143 * run from a 16-bit app) */
144 /*PerlIO_printf(Perl_debug_log, "Before %s\n", w32_module_name);*/
145 (void)win32_longpath(w32_module_name);
146 /*PerlIO_printf(Perl_debug_log, "After %s\n", w32_module_name);*/
147
148 /* normalize to forward slashes */
149 ptr = w32_module_name;
150 while (*ptr) {
151 if (*ptr == '\\')
152 *ptr = '/';
153 ++ptr;
154 }
155}
156
c5be433b 157/* *svp (if non-NULL) is expected to be POK (valid allocated SvPVX(*svp)) */
51371543 158static char*
c5be433b 159get_regstr_from(HKEY hkey, const char *valuename, SV **svp)
349ad1fe
GS
160{
161 /* Retrieve a REG_SZ or REG_EXPAND_SZ from the registry */
00dc2f4f
GS
162 HKEY handle;
163 DWORD type;
164 const char *subkey = "Software\\Perl";
349ad1fe 165 char *str = Nullch;
00dc2f4f
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166 long retval;
167
168 retval = RegOpenKeyEx(hkey, subkey, 0, KEY_READ, &handle);
349ad1fe 169 if (retval == ERROR_SUCCESS) {
51371543
GS
170 DWORD datalen;
171 retval = RegQueryValueEx(handle, valuename, 0, &type, NULL, &datalen);
1c94caf4
GS
172 if (retval == ERROR_SUCCESS
173 && (type == REG_SZ || type == REG_EXPAND_SZ))
174 {
acfe0abc 175 dTHX;
c5be433b
GS
176 if (!*svp)
177 *svp = sv_2mortal(newSVpvn("",0));
178 SvGROW(*svp, datalen);
51371543 179 retval = RegQueryValueEx(handle, valuename, 0, NULL,
c5be433b 180 (PBYTE)SvPVX(*svp), &datalen);
51371543 181 if (retval == ERROR_SUCCESS) {
c5be433b
GS
182 str = SvPVX(*svp);
183 SvCUR_set(*svp,datalen-1);
51371543 184 }
00dc2f4f
GS
185 }
186 RegCloseKey(handle);
187 }
349ad1fe 188 return str;
00dc2f4f
GS
189}
190
c5be433b 191/* *svp (if non-NULL) is expected to be POK (valid allocated SvPVX(*svp)) */
51371543 192static char*
c5be433b 193get_regstr(const char *valuename, SV **svp)
00dc2f4f 194{
c5be433b 195 char *str = get_regstr_from(HKEY_CURRENT_USER, valuename, svp);
349ad1fe 196 if (!str)
c5be433b 197 str = get_regstr_from(HKEY_LOCAL_MACHINE, valuename, svp);
349ad1fe 198 return str;
00dc2f4f
GS
199}
200
c5be433b 201/* *prev_pathp (if non-NULL) is expected to be POK (valid allocated SvPVX(sv)) */
e5a95ffb 202static char *
c5be433b 203get_emd_part(SV **prev_pathp, char *trailing_path, ...)
00dc2f4f 204{
dc9e4912 205 char base[10];
e5a95ffb 206 va_list ap;
e24c7c18 207 char mod_name[MAX_PATH+1];
00dc2f4f 208 char *ptr;
e5a95ffb
GS
209 char *optr;
210 char *strip;
273cf8d1 211 STRLEN baselen;
e5a95ffb
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212
213 va_start(ap, trailing_path);
214 strip = va_arg(ap, char *);
215
273cf8d1
GS
216 sprintf(base, "%d.%d", (int)PERL_REVISION, (int)PERL_VERSION);
217 baselen = strlen(base);
dc9e4912 218
8ac9c18d 219 if (!*w32_module_name) {
2fa86c13 220 set_w32_module_name();
95140b98 221 }
8ac9c18d 222 strcpy(mod_name, w32_module_name);
95140b98 223 ptr = strrchr(mod_name, '/');
e5a95ffb
GS
224 while (ptr && strip) {
225 /* look for directories to skip back */
226 optr = ptr;
00dc2f4f 227 *ptr = '\0';
95140b98 228 ptr = strrchr(mod_name, '/');
1c39adb2
GS
229 /* avoid stripping component if there is no slash,
230 * or it doesn't match ... */
e5a95ffb 231 if (!ptr || stricmp(ptr+1, strip) != 0) {
273cf8d1 232 /* ... but not if component matches m|5\.$patchlevel.*| */
1c39adb2 233 if (!ptr || !(*strip == '5' && *(ptr+1) == '5'
273cf8d1
GS
234 && strncmp(strip, base, baselen) == 0
235 && strncmp(ptr+1, base, baselen) == 0))
95140b98
GS
236 {
237 *optr = '/';
80252599
GS
238 ptr = optr;
239 }
00dc2f4f 240 }
e5a95ffb 241 strip = va_arg(ap, char *);
00dc2f4f 242 }
e5a95ffb
GS
243 if (!ptr) {
244 ptr = mod_name;
245 *ptr++ = '.';
95140b98 246 *ptr = '/';
00dc2f4f 247 }
e5a95ffb
GS
248 va_end(ap);
249 strcpy(++ptr, trailing_path);
250
dc9e4912 251 /* only add directory if it exists */
349ad1fe 252 if (GetFileAttributes(mod_name) != (DWORD) -1) {
dc9e4912 253 /* directory exists */
acfe0abc 254 dTHX;
c5be433b
GS
255 if (!*prev_pathp)
256 *prev_pathp = sv_2mortal(newSVpvn("",0));
257 sv_catpvn(*prev_pathp, ";", 1);
258 sv_catpv(*prev_pathp, mod_name);
259 return SvPVX(*prev_pathp);
00dc2f4f 260 }
00dc2f4f 261
cf11f4bf 262 return Nullch;
00dc2f4f
GS
263}
264
265char *
4ea817c6 266win32_get_privlib(const char *pl)
00dc2f4f 267{
acfe0abc 268 dTHX;
e5a95ffb
GS
269 char *stdlib = "lib";
270 char buffer[MAX_PATH+1];
51371543 271 SV *sv = Nullsv;
00dc2f4f 272
e5a95ffb
GS
273 /* $stdlib = $HKCU{"lib-$]"} || $HKLM{"lib-$]"} || $HKCU{"lib"} || $HKLM{"lib"} || ""; */
274 sprintf(buffer, "%s-%s", stdlib, pl);
c5be433b
GS
275 if (!get_regstr(buffer, &sv))
276 (void)get_regstr(stdlib, &sv);
00dc2f4f 277
e5a95ffb 278 /* $stdlib .= ";$EMD/../../lib" */
c5be433b 279 return get_emd_part(&sv, stdlib, ARCHNAME, "bin", Nullch);
00dc2f4f
GS
280}
281
4ea817c6
GS
282static char *
283win32_get_xlib(const char *pl, const char *xlib, const char *libname)
00dc2f4f 284{
acfe0abc 285 dTHX;
e5a95ffb 286 char regstr[40];
e24c7c18 287 char pathstr[MAX_PATH+1];
51371543
GS
288 SV *sv1 = Nullsv;
289 SV *sv2 = Nullsv;
00dc2f4f 290
4ea817c6
GS
291 /* $HKCU{"$xlib-$]"} || $HKLM{"$xlib-$]"} . ---; */
292 sprintf(regstr, "%s-%s", xlib, pl);
c5be433b 293 (void)get_regstr(regstr, &sv1);
e5a95ffb 294
4ea817c6
GS
295 /* $xlib .=
296 * ";$EMD/" . ((-d $EMD/../../../$]) ? "../../.." : "../.."). "/$libname/$]/lib"; */
297 sprintf(pathstr, "%s/%s/lib", libname, pl);
c5be433b 298 (void)get_emd_part(&sv1, pathstr, ARCHNAME, "bin", pl, Nullch);
00dc2f4f 299
4ea817c6
GS
300 /* $HKCU{$xlib} || $HKLM{$xlib} . ---; */
301 (void)get_regstr(xlib, &sv2);
00dc2f4f 302
4ea817c6
GS
303 /* $xlib .=
304 * ";$EMD/" . ((-d $EMD/../../../$]) ? "../../.." : "../.."). "/$libname/lib"; */
305 sprintf(pathstr, "%s/lib", libname);
306 (void)get_emd_part(&sv2, pathstr, ARCHNAME, "bin", pl, Nullch);
e5a95ffb 307
51371543
GS
308 if (!sv1 && !sv2)
309 return Nullch;
310 if (!sv1)
311 return SvPVX(sv2);
312 if (!sv2)
313 return SvPVX(sv1);
e5a95ffb 314
349ad1fe
GS
315 sv_catpvn(sv1, ";", 1);
316 sv_catsv(sv1, sv2);
e5a95ffb 317
349ad1fe 318 return SvPVX(sv1);
68dc0745 319}
0a753a76 320
4ea817c6
GS
321char *
322win32_get_sitelib(const char *pl)
323{
324 return win32_get_xlib(pl, "sitelib", "site");
325}
326
327#ifndef PERL_VENDORLIB_NAME
328# define PERL_VENDORLIB_NAME "vendor"
329#endif
330
331char *
332win32_get_vendorlib(const char *pl)
333{
334 return win32_get_xlib(pl, "vendorlib", PERL_VENDORLIB_NAME);
335}
b4793f7f 336
2d7a9237 337static BOOL
e200fe59 338has_shell_metachars(char *ptr)
68dc0745
PP
339{
340 int inquote = 0;
341 char quote = '\0';
342
343 /*
344 * Scan string looking for redirection (< or >) or pipe
e200fe59
JD
345 * characters (|) that are not in a quoted string.
346 * Shell variable interpolation (%VAR%) can also happen inside strings.
68dc0745 347 */
9404a519 348 while (*ptr) {
68dc0745 349 switch(*ptr) {
e200fe59
JD
350 case '%':
351 return TRUE;
68dc0745
PP
352 case '\'':
353 case '\"':
9404a519
GS
354 if (inquote) {
355 if (quote == *ptr) {
68dc0745
PP
356 inquote = 0;
357 quote = '\0';
0a753a76 358 }
68dc0745
PP
359 }
360 else {
361 quote = *ptr;
362 inquote++;
363 }
364 break;
365 case '>':
366 case '<':
367 case '|':
9404a519 368 if (!inquote)
68dc0745
PP
369 return TRUE;
370 default:
371 break;
0a753a76 372 }
68dc0745
PP
373 ++ptr;
374 }
375 return FALSE;
0a753a76
PP
376}
377
32e30700 378#if !defined(PERL_IMPLICIT_SYS)
68dc0745
PP
379/* since the current process environment is being updated in util.c
380 * the library functions will get the correct environment
381 */
382PerlIO *
4f63d024 383Perl_my_popen(pTHX_ char *cmd, char *mode)
0a753a76
PP
384{
385#ifdef FIXCMD
7766f137
GS
386#define fixcmd(x) { \
387 char *pspace = strchr((x),' '); \
388 if (pspace) { \
389 char *p = (x); \
390 while (p < pspace) { \
391 if (*p == '/') \
392 *p = '\\'; \
393 p++; \
394 } \
395 } \
396 }
0a753a76
PP
397#else
398#define fixcmd(x)
399#endif
68dc0745 400 fixcmd(cmd);
45bc9206 401 PERL_FLUSHALL_FOR_CHILD;
0a753a76 402 return win32_popen(cmd, mode);
0a753a76
PP
403}
404
68dc0745 405long
4f63d024 406Perl_my_pclose(pTHX_ PerlIO *fp)
0a753a76
PP
407{
408 return win32_pclose(fp);
409}
c69f6586 410#endif
0a753a76 411
0cb96387
GS
412DllExport unsigned long
413win32_os_id(void)
0a753a76 414{
8b10511d 415 static OSVERSIONINFO osver;
0a753a76 416
2d7a9237 417 if (osver.dwPlatformId != w32_platform) {
8b10511d
GS
418 memset(&osver, 0, sizeof(OSVERSIONINFO));
419 osver.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
420 GetVersionEx(&osver);
2d7a9237 421 w32_platform = osver.dwPlatformId;
8b10511d 422 }
0cb96387 423 return (unsigned long)w32_platform;
0a753a76
PP
424}
425
7766f137
GS
426DllExport int
427win32_getpid(void)
428{
922b1888 429 int pid;
7766f137 430#ifdef USE_ITHREADS
acfe0abc 431 dTHX;
7766f137
GS
432 if (w32_pseudo_id)
433 return -((int)w32_pseudo_id);
434#endif
922b1888
GS
435 pid = _getpid();
436 /* Windows 9x appears to always reports a pid for threads and processes
437 * that has the high bit set. So we treat the lower 31 bits as the
438 * "real" PID for Perl's purposes. */
439 if (IsWin95() && pid < 0)
440 pid = -pid;
441 return pid;
7766f137
GS
442}
443
ce1da67e
GS
444/* Tokenize a string. Words are null-separated, and the list
445 * ends with a doubled null. Any character (except null and
446 * including backslash) may be escaped by preceding it with a
447 * backslash (the backslash will be stripped).
448 * Returns number of words in result buffer.
449 */
450static long
dff6d3cd 451tokenize(const char *str, char **dest, char ***destv)
ce1da67e
GS
452{
453 char *retstart = Nullch;
454 char **retvstart = 0;
455 int items = -1;
456 if (str) {
acfe0abc 457 dTHX;
ce1da67e
GS
458 int slen = strlen(str);
459 register char *ret;
460 register char **retv;
461 New(1307, ret, slen+2, char);
462 New(1308, retv, (slen+3)/2, char*);
463
464 retstart = ret;
465 retvstart = retv;
466 *retv = ret;
467 items = 0;
468 while (*str) {
469 *ret = *str++;
470 if (*ret == '\\' && *str)
471 *ret = *str++;
472 else if (*ret == ' ') {
473 while (*str == ' ')
474 str++;
475 if (ret == retstart)
476 ret--;
477 else {
478 *ret = '\0';
479 ++items;
480 if (*str)
481 *++retv = ret+1;
482 }
483 }
484 else if (!*str)
485 ++items;
486 ret++;
487 }
488 retvstart[items] = Nullch;
489 *ret++ = '\0';
490 *ret = '\0';
491 }
492 *dest = retstart;
493 *destv = retvstart;
494 return items;
495}
496
497static void
2d7a9237 498get_shell(void)
0a753a76 499{
acfe0abc 500 dTHX;
ce1da67e 501 if (!w32_perlshell_tokens) {
174c211a
GS
502 /* we don't use COMSPEC here for two reasons:
503 * 1. the same reason perl on UNIX doesn't use SHELL--rampant and
504 * uncontrolled unportability of the ensuing scripts.
505 * 2. PERL5SHELL could be set to a shell that may not be fit for
506 * interactive use (which is what most programs look in COMSPEC
507 * for).
508 */
dff6d3cd
GS
509 const char* defaultshell = (IsWinNT()
510 ? "cmd.exe /x/c" : "command.com /c");
2fb9ab56 511 const char *usershell = PerlEnv_getenv("PERL5SHELL");
ce1da67e
GS
512 w32_perlshell_items = tokenize(usershell ? usershell : defaultshell,
513 &w32_perlshell_tokens,
514 &w32_perlshell_vec);
68dc0745 515 }
0a753a76
PP
516}
517
68dc0745 518int
c5be433b 519do_aspawn(void *vreally, void **vmark, void **vsp)
0a753a76 520{
acfe0abc 521 dTHX;
2d7a9237
GS
522 SV *really = (SV*)vreally;
523 SV **mark = (SV**)vmark;
524 SV **sp = (SV**)vsp;
68dc0745 525 char **argv;
2d7a9237 526 char *str;
68dc0745 527 int status;
2d7a9237 528 int flag = P_WAIT;
68dc0745 529 int index = 0;
68dc0745 530
2d7a9237
GS
531 if (sp <= mark)
532 return -1;
68dc0745 533
ce1da67e
GS
534 get_shell();
535 New(1306, argv, (sp - mark) + w32_perlshell_items + 2, char*);
2d7a9237
GS
536
537 if (SvNIOKp(*(mark+1)) && !SvPOKp(*(mark+1))) {
538 ++mark;
539 flag = SvIVx(*mark);
68dc0745
PP
540 }
541
9404a519 542 while (++mark <= sp) {
bb897dfc 543 if (*mark && (str = SvPV_nolen(*mark)))
2d7a9237
GS
544 argv[index++] = str;
545 else
546 argv[index++] = "";
68dc0745
PP
547 }
548 argv[index++] = 0;
3fadfdf1 549
2d7a9237 550 status = win32_spawnvp(flag,
bb897dfc 551 (const char*)(really ? SvPV_nolen(really) : argv[0]),
2d7a9237
GS
552 (const char* const*)argv);
553
80252599 554 if (status < 0 && (errno == ENOEXEC || errno == ENOENT)) {
2d7a9237 555 /* possible shell-builtin, invoke with shell */
ce1da67e
GS
556 int sh_items;
557 sh_items = w32_perlshell_items;
2d7a9237
GS
558 while (--index >= 0)
559 argv[index+sh_items] = argv[index];
ce1da67e
GS
560 while (--sh_items >= 0)
561 argv[sh_items] = w32_perlshell_vec[sh_items];
3fadfdf1 562
2d7a9237 563 status = win32_spawnvp(flag,
bb897dfc 564 (const char*)(really ? SvPV_nolen(really) : argv[0]),
2d7a9237
GS
565 (const char* const*)argv);
566 }
68dc0745 567
922b1888
GS
568 if (flag == P_NOWAIT) {
569 if (IsWin95())
570 PL_statusvalue = -1; /* >16bits hint for pp_system() */
571 }
572 else {
50892819 573 if (status < 0) {
0453d815 574 if (ckWARN(WARN_EXEC))
f98bc0c6 575 Perl_warner(aTHX_ packWARN(WARN_EXEC), "Can't spawn \"%s\": %s", argv[0], strerror(errno));
50892819
GS
576 status = 255 * 256;
577 }
578 else
579 status *= 256;
b28d0864 580 PL_statusvalue = status;
5aabfad6 581 }
ce1da67e 582 Safefree(argv);
50892819 583 return (status);
68dc0745
PP
584}
585
dd7038b3
JH
586/* returns pointer to the next unquoted space or the end of the string */
587static char*
588find_next_space(const char *s)
589{
590 bool in_quotes = FALSE;
591 while (*s) {
592 /* ignore doubled backslashes, or backslash+quote */
593 if (*s == '\\' && (s[1] == '\\' || s[1] == '"')) {
594 s += 2;
595 }
596 /* keep track of when we're within quotes */
597 else if (*s == '"') {
598 s++;
599 in_quotes = !in_quotes;
600 }
601 /* break it up only at spaces that aren't in quotes */
602 else if (!in_quotes && isSPACE(*s))
603 return (char*)s;
604 else
605 s++;
606 }
607 return (char*)s;
608}
609
c69f6586 610int
c5be433b 611do_spawn2(char *cmd, int exectype)
68dc0745 612{
acfe0abc 613 dTHX;
68dc0745
PP
614 char **a;
615 char *s;
616 char **argv;
617 int status = -1;
618 BOOL needToTry = TRUE;
2d7a9237 619 char *cmd2;
68dc0745 620
2d7a9237
GS
621 /* Save an extra exec if possible. See if there are shell
622 * metacharacters in it */
e200fe59 623 if (!has_shell_metachars(cmd)) {
fc36a67e
PP
624 New(1301,argv, strlen(cmd) / 2 + 2, char*);
625 New(1302,cmd2, strlen(cmd) + 1, char);
68dc0745
PP
626 strcpy(cmd2, cmd);
627 a = argv;
628 for (s = cmd2; *s;) {
de030af3 629 while (*s && isSPACE(*s))
68dc0745
PP
630 s++;
631 if (*s)
632 *(a++) = s;
dd7038b3 633 s = find_next_space(s);
9404a519 634 if (*s)
68dc0745 635 *s++ = '\0';
0a753a76 636 }
68dc0745 637 *a = Nullch;
ce1da67e 638 if (argv[0]) {
6890e559
GS
639 switch (exectype) {
640 case EXECF_SPAWN:
641 status = win32_spawnvp(P_WAIT, argv[0],
642 (const char* const*)argv);
643 break;
644 case EXECF_SPAWN_NOWAIT:
645 status = win32_spawnvp(P_NOWAIT, argv[0],
646 (const char* const*)argv);
647 break;
648 case EXECF_EXEC:
649 status = win32_execvp(argv[0], (const char* const*)argv);
650 break;
651 }
2d7a9237 652 if (status != -1 || errno == 0)
68dc0745 653 needToTry = FALSE;
0a753a76 654 }
0a753a76 655 Safefree(argv);
68dc0745
PP
656 Safefree(cmd2);
657 }
2d7a9237 658 if (needToTry) {
ce1da67e
GS
659 char **argv;
660 int i = -1;
661 get_shell();
662 New(1306, argv, w32_perlshell_items + 2, char*);
663 while (++i < w32_perlshell_items)
664 argv[i] = w32_perlshell_vec[i];
2d7a9237
GS
665 argv[i++] = cmd;
666 argv[i] = Nullch;
6890e559
GS
667 switch (exectype) {
668 case EXECF_SPAWN:
669 status = win32_spawnvp(P_WAIT, argv[0],
670 (const char* const*)argv);
671 break;
672 case EXECF_SPAWN_NOWAIT:
673 status = win32_spawnvp(P_NOWAIT, argv[0],
674 (const char* const*)argv);
675 break;
676 case EXECF_EXEC:
677 status = win32_execvp(argv[0], (const char* const*)argv);
678 break;
679 }
ce1da67e
GS
680 cmd = argv[0];
681 Safefree(argv);
68dc0745 682 }
922b1888
GS
683 if (exectype == EXECF_SPAWN_NOWAIT) {
684 if (IsWin95())
685 PL_statusvalue = -1; /* >16bits hint for pp_system() */
686 }
687 else {
50892819 688 if (status < 0) {
0453d815 689 if (ckWARN(WARN_EXEC))
f98bc0c6 690 Perl_warner(aTHX_ packWARN(WARN_EXEC), "Can't %s \"%s\": %s",
50892819
GS
691 (exectype == EXECF_EXEC ? "exec" : "spawn"),
692 cmd, strerror(errno));
693 status = 255 * 256;
694 }
695 else
696 status *= 256;
b28d0864 697 PL_statusvalue = status;
5aabfad6 698 }
50892819 699 return (status);
0a753a76
PP
700}
701
6890e559 702int
c5be433b 703do_spawn(char *cmd)
6890e559 704{
c5be433b 705 return do_spawn2(cmd, EXECF_SPAWN);
6890e559
GS
706}
707
2d7a9237 708int
c5be433b 709do_spawn_nowait(char *cmd)
2d7a9237 710{
c5be433b 711 return do_spawn2(cmd, EXECF_SPAWN_NOWAIT);
2d7a9237
GS
712}
713
6890e559 714bool
4f63d024 715Perl_do_exec(pTHX_ char *cmd)
6890e559 716{
c5be433b 717 do_spawn2(cmd, EXECF_EXEC);
6890e559
GS
718 return FALSE;
719}
720
68dc0745
PP
721/* The idea here is to read all the directory names into a string table
722 * (separated by nulls) and when one of the other dir functions is called
723 * return the pointer to the current file name.
724 */
c5be433b 725DllExport DIR *
ce2e26e5 726win32_opendir(char *filename)
0a753a76 727{
acfe0abc 728 dTHX;
95136add 729 DIR *dirp;
9404a519
GS
730 long len;
731 long idx;
732 char scanname[MAX_PATH+3];
c623ac67 733 Stat_t sbuf;
7fac1903
GS
734 WIN32_FIND_DATAA aFindData;
735 WIN32_FIND_DATAW wFindData;
9404a519 736 HANDLE fh;
7fac1903 737 char buffer[MAX_PATH*2];
82867ecf 738 WCHAR wbuffer[MAX_PATH+1];
95136add 739 char* ptr;
9404a519
GS
740
741 len = strlen(filename);
742 if (len > MAX_PATH)
743 return NULL;
68dc0745
PP
744
745 /* check to see if filename is a directory */
69d3ab13 746 if (win32_stat(filename, &sbuf) < 0 || !S_ISDIR(sbuf.st_mode))
24caa93f 747 return NULL;
68dc0745 748
68dc0745 749 /* Get us a DIR structure */
95136add 750 Newz(1303, dirp, 1, DIR);
68dc0745
PP
751
752 /* Create the search pattern */
753 strcpy(scanname, filename);
23db2e2d
GS
754
755 /* bare drive name means look in cwd for drive */
756 if (len == 2 && isALPHA(scanname[0]) && scanname[1] == ':') {
757 scanname[len++] = '.';
758 scanname[len++] = '/';
759 }
760 else if (scanname[len-1] != '/' && scanname[len-1] != '\\') {
9404a519 761 scanname[len++] = '/';
23db2e2d 762 }
9404a519
GS
763 scanname[len++] = '*';
764 scanname[len] = '\0';
68dc0745
PP
765
766 /* do the FindFirstFile call */
7fac1903 767 if (USING_WIDE()) {
0cb96387 768 A2WHELPER(scanname, wbuffer, sizeof(wbuffer));
7766f137 769 fh = FindFirstFileW(PerlDir_mapW(wbuffer), &wFindData);
7fac1903
GS
770 }
771 else {
7766f137 772 fh = FindFirstFileA(PerlDir_mapA(scanname), &aFindData);
7fac1903 773 }
95136add 774 dirp->handle = fh;
9404a519 775 if (fh == INVALID_HANDLE_VALUE) {
95136add 776 DWORD err = GetLastError();
21e72512 777 /* FindFirstFile() fails on empty drives! */
95136add
GS
778 switch (err) {
779 case ERROR_FILE_NOT_FOUND:
780 return dirp;
781 case ERROR_NO_MORE_FILES:
782 case ERROR_PATH_NOT_FOUND:
783 errno = ENOENT;
784 break;
785 case ERROR_NOT_ENOUGH_MEMORY:
786 errno = ENOMEM;
787 break;
788 default:
789 errno = EINVAL;
790 break;
791 }
792 Safefree(dirp);
68dc0745
PP
793 return NULL;
794 }
795
796 /* now allocate the first part of the string table for
797 * the filenames that we find.
798 */
7fac1903 799 if (USING_WIDE()) {
0cb96387 800 W2AHELPER(wFindData.cFileName, buffer, sizeof(buffer));
7fac1903
GS
801 ptr = buffer;
802 }
803 else {
804 ptr = aFindData.cFileName;
805 }
806 idx = strlen(ptr)+1;
95136add
GS
807 if (idx < 256)
808 dirp->size = 128;
809 else
810 dirp->size = idx;
811 New(1304, dirp->start, dirp->size, char);
812 strcpy(dirp->start, ptr);
813 dirp->nfiles++;
814 dirp->end = dirp->curr = dirp->start;
815 dirp->end += idx;
816 return dirp;
0a753a76
PP
817}
818
819
68dc0745
PP
820/* Readdir just returns the current string pointer and bumps the
821 * string pointer to the nDllExport entry.
822 */
c5be433b 823DllExport struct direct *
ce2e26e5 824win32_readdir(DIR *dirp)
0a753a76 825{
95136add 826 long len;
0a753a76 827
68dc0745
PP
828 if (dirp->curr) {
829 /* first set up the structure to return */
830 len = strlen(dirp->curr);
0f38926b 831 strcpy(dirp->dirstr.d_name, dirp->curr);
68dc0745 832 dirp->dirstr.d_namlen = len;
0a753a76 833
68dc0745 834 /* Fake an inode */
0f38926b 835 dirp->dirstr.d_ino = dirp->curr - dirp->start;
0a753a76 836
95136add 837 /* Now set up for the next call to readdir */
68dc0745 838 dirp->curr += len + 1;
95136add 839 if (dirp->curr >= dirp->end) {
acfe0abc 840 dTHX;
95136add
GS
841 char* ptr;
842 BOOL res;
843 WIN32_FIND_DATAW wFindData;
844 WIN32_FIND_DATAA aFindData;
845 char buffer[MAX_PATH*2];
846
847 /* finding the next file that matches the wildcard
848 * (which should be all of them in this directory!).
95136add
GS
849 */
850 if (USING_WIDE()) {
851 res = FindNextFileW(dirp->handle, &wFindData);
852 if (res) {
853 W2AHELPER(wFindData.cFileName, buffer, sizeof(buffer));
854 ptr = buffer;
855 }
856 }
857 else {
858 res = FindNextFileA(dirp->handle, &aFindData);
859 if (res)
860 ptr = aFindData.cFileName;
861 }
862 if (res) {
0f38926b
GS
863 long endpos = dirp->end - dirp->start;
864 long newsize = endpos + strlen(ptr) + 1;
95136add 865 /* bump the string table size by enough for the
022735b4 866 * new name and its null terminator */
0f38926b
GS
867 while (newsize > dirp->size) {
868 long curpos = dirp->curr - dirp->start;
95136add
GS
869 dirp->size *= 2;
870 Renew(dirp->start, dirp->size, char);
0f38926b 871 dirp->curr = dirp->start + curpos;
95136add 872 }
0f38926b
GS
873 strcpy(dirp->start + endpos, ptr);
874 dirp->end = dirp->start + newsize;
95136add
GS
875 dirp->nfiles++;
876 }
877 else
878 dirp->curr = NULL;
68dc0745 879 }
68dc0745 880 return &(dirp->dirstr);
3fadfdf1 881 }
68dc0745
PP
882 else
883 return NULL;
0a753a76
PP
884}
885
68dc0745 886/* Telldir returns the current string pointer position */
c5be433b 887DllExport long
ce2e26e5 888win32_telldir(DIR *dirp)
0a753a76 889{
95136add 890 return (dirp->curr - dirp->start);
0a753a76
PP
891}
892
893
68dc0745 894/* Seekdir moves the string pointer to a previously saved position
95136add 895 * (returned by telldir).
68dc0745 896 */
c5be433b 897DllExport void
ce2e26e5 898win32_seekdir(DIR *dirp, long loc)
0a753a76 899{
95136add 900 dirp->curr = dirp->start + loc;
0a753a76
PP
901}
902
68dc0745 903/* Rewinddir resets the string pointer to the start */
c5be433b 904DllExport void
ce2e26e5 905win32_rewinddir(DIR *dirp)
0a753a76
PP
906{
907 dirp->curr = dirp->start;
908}
909
68dc0745 910/* free the memory allocated by opendir */
c5be433b 911DllExport int
ce2e26e5 912win32_closedir(DIR *dirp)
0a753a76 913{
acfe0abc 914 dTHX;
95136add 915 if (dirp->handle != INVALID_HANDLE_VALUE)
0f38926b 916 FindClose(dirp->handle);
0a753a76
PP
917 Safefree(dirp->start);
918 Safefree(dirp);
68dc0745 919 return 1;
0a753a76
PP
920}
921
922
68dc0745
PP
923/*
924 * various stubs
925 */
0a753a76
PP
926
927
68dc0745
PP
928/* Ownership
929 *
930 * Just pretend that everyone is a superuser. NT will let us know if
931 * we don\'t really have permission to do something.
932 */
0a753a76
PP
933
934#define ROOT_UID ((uid_t)0)
935#define ROOT_GID ((gid_t)0)
936
68dc0745
PP
937uid_t
938getuid(void)
0a753a76 939{
68dc0745 940 return ROOT_UID;
0a753a76
PP
941}
942
68dc0745
PP
943uid_t
944geteuid(void)
0a753a76 945{
68dc0745 946 return ROOT_UID;
0a753a76
PP
947}
948
68dc0745
PP
949gid_t
950getgid(void)
0a753a76 951{
68dc0745 952 return ROOT_GID;
0a753a76
PP
953}
954
68dc0745
PP
955gid_t
956getegid(void)
0a753a76 957{
68dc0745 958 return ROOT_GID;
0a753a76
PP
959}
960
68dc0745 961int
22239a37 962setuid(uid_t auid)
3fadfdf1 963{
22239a37 964 return (auid == ROOT_UID ? 0 : -1);
0a753a76
PP
965}
966
68dc0745 967int
22239a37 968setgid(gid_t agid)
0a753a76 969{
22239a37 970 return (agid == ROOT_GID ? 0 : -1);
0a753a76
PP
971}
972
e34ffe5a
GS
973char *
974getlogin(void)
975{
acfe0abc 976 dTHX;
3352bfcb
GS
977 char *buf = w32_getlogin_buffer;
978 DWORD size = sizeof(w32_getlogin_buffer);
e34ffe5a
GS
979 if (GetUserName(buf,&size))
980 return buf;
981 return (char*)NULL;
982}
983
b990f8c8
GS
984int
985chown(const char *path, uid_t owner, gid_t group)
986{
987 /* XXX noop */
1c1c7f20 988 return 0;
b990f8c8
GS
989}
990
00b02797
JH
991/*
992 * XXX this needs strengthening (for PerlIO)
993 * -- BKS, 11-11-200
994*/
995int mkstemp(const char *path)
996{
997 dTHX;
998 char buf[MAX_PATH+1];
999 int i = 0, fd = -1;
1000
1001retry:
1002 if (i++ > 10) { /* give up */
1003 errno = ENOENT;
1004 return -1;
1005 }
1006 if (!GetTempFileNameA((LPCSTR)path, "plr", 1, buf)) {
1007 errno = ENOENT;
1008 return -1;
1009 }
1010 fd = PerlLIO_open3(buf, O_CREAT|O_RDWR|O_EXCL, 0600);
1011 if (fd == -1)
1012 goto retry;
1013 return fd;
1014}
1015
0aaad0ff
GS
1016static long
1017find_pid(int pid)
0a753a76 1018{
acfe0abc 1019 dTHX;
7766f137
GS
1020 long child = w32_num_children;
1021 while (--child >= 0) {
eb160463 1022 if ((int)w32_child_pids[child] == pid)
0aaad0ff
GS
1023 return child;
1024 }
1025 return -1;
1026}
1027
1028static void
1029remove_dead_process(long child)
1030{
1031 if (child >= 0) {
acfe0abc 1032 dTHX;
0aaad0ff 1033 CloseHandle(w32_child_handles[child]);
c00206c8 1034 Move(&w32_child_handles[child+1], &w32_child_handles[child],
0aaad0ff 1035 (w32_num_children-child-1), HANDLE);
c00206c8 1036 Move(&w32_child_pids[child+1], &w32_child_pids[child],
0aaad0ff
GS
1037 (w32_num_children-child-1), DWORD);
1038 w32_num_children--;
f55ee38a 1039 }
f55ee38a
GS
1040}
1041
7766f137
GS
1042#ifdef USE_ITHREADS
1043static long
1044find_pseudo_pid(int pid)
1045{
acfe0abc 1046 dTHX;
7766f137
GS
1047 long child = w32_num_pseudo_children;
1048 while (--child >= 0) {
eb160463 1049 if ((int)w32_pseudo_child_pids[child] == pid)
7766f137
GS
1050 return child;
1051 }
1052 return -1;
1053}
1054
1055static void
1056remove_dead_pseudo_process(long child)
1057{
1058 if (child >= 0) {
acfe0abc 1059 dTHX;
7766f137 1060 CloseHandle(w32_pseudo_child_handles[child]);
c00206c8 1061 Move(&w32_pseudo_child_handles[child+1], &w32_pseudo_child_handles[child],
7766f137 1062 (w32_num_pseudo_children-child-1), HANDLE);
c00206c8 1063 Move(&w32_pseudo_child_pids[child+1], &w32_pseudo_child_pids[child],
7766f137
GS
1064 (w32_num_pseudo_children-child-1), DWORD);
1065 w32_num_pseudo_children--;
1066 }
1067}
1068#endif
1069
f55ee38a
GS
1070DllExport int
1071win32_kill(int pid, int sig)
1072{
acfe0abc 1073 dTHX;
0aaad0ff 1074 HANDLE hProcess;
c66b022d 1075 long child;
7766f137
GS
1076#ifdef USE_ITHREADS
1077 if (pid < 0) {
1078 /* it is a pseudo-forked child */
c66b022d 1079 child = find_pseudo_pid(-pid);
7766f137
GS
1080 if (child >= 0) {
1081 hProcess = w32_pseudo_child_handles[child];
7e5f34c0
NIS
1082 switch (sig) {
1083 case 0:
c843839f 1084 /* "Does process exist?" use of kill */
7766f137 1085 return 0;
7e5f34c0
NIS
1086 case 9:
1087 /* kill -9 style un-graceful exit */
1088 if (TerminateThread(hProcess, sig)) {
1089 remove_dead_pseudo_process(child);
1090 return 0;
1091 }
1092 break;
1093 default:
fb6be350
NK
1094 /* We fake signals to pseudo-processes using Win32
1095 * message queue. In Win9X the pids are negative already. */
1096 if (PostThreadMessage(IsWin95() ? pid : -pid,WM_USER,sig,0)) {
3fadfdf1 1097 /* It might be us ... */
7e5f34c0
NIS
1098 PERL_ASYNC_CHECK();
1099 return 0;
1100 }
1101 break;
1102 }
7766f137 1103 }
922b1888
GS
1104 else if (IsWin95()) {
1105 pid = -pid;
1106 goto alien_process;
1107 }
68dc0745 1108 }
7766f137
GS
1109 else
1110#endif
1111 {
c66b022d 1112 child = find_pid(pid);
7766f137 1113 if (child >= 0) {
7e5f34c0
NIS
1114 hProcess = w32_child_handles[child];
1115 switch(sig) {
1116 case 0:
c843839f 1117 /* "Does process exist?" use of kill */
7766f137 1118 return 0;
7e5f34c0
NIS
1119 case 2:
1120 if (GenerateConsoleCtrlEvent(CTRL_C_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
GS
1133alien_process:
1134 hProcess = OpenProcess(PROCESS_ALL_ACCESS, TRUE,
1135 (IsWin95() ? -pid : pid));
42b8b86c 1136 if (hProcess) {
7e5f34c0
NIS
1137 switch(sig) {
1138 case 0:
c843839f 1139 /* "Does process exist?" use of kill */
42b8b86c 1140 return 0;
7e5f34c0
NIS
1141 case 2:
1142 if (GenerateConsoleCtrlEvent(CTRL_C_EVENT,pid))
1143 return 0;
1144 break;
c843839f 1145 default: /* For now be backwards compatible with perl5.6 */
7e5f34c0
NIS
1146 case 9:
1147 if (TerminateProcess(hProcess, sig)) {
1148 CloseHandle(hProcess);
1149 return 0;
1150 }
42b8b86c 1151 }
7766f137
GS
1152 }
1153 }
1154 }
1155 errno = EINVAL;
1156 return -1;
0a753a76 1157}
fbbbcc48 1158
68dc0745 1159DllExport int
c623ac67 1160win32_stat(const char *path, Stat_t *sbuf)
0a753a76 1161{
acfe0abc 1162 dTHX;
3fadfdf1 1163 char buffer[MAX_PATH+1];
68dc0745 1164 int l = strlen(path);
67fbe06e 1165 int res;
82867ecf 1166 WCHAR wbuffer[MAX_PATH+1];
e9ff6d27 1167 WCHAR* pwbuffer;
6b980173
JD
1168 HANDLE handle;
1169 int nlink = 1;
0a753a76 1170
68dc0745
PP
1171 if (l > 1) {
1172 switch(path[l - 1]) {
e1dbac94
GS
1173 /* FindFirstFile() and stat() are buggy with a trailing
1174 * backslash, so change it to a forward slash :-( */
68dc0745 1175 case '\\':
426c1a18
GS
1176 strncpy(buffer, path, l-1);
1177 buffer[l - 1] = '/';
1178 buffer[l] = '\0';
1179 path = buffer;
e1dbac94 1180 break;
23db2e2d 1181 /* FindFirstFile() is buggy with "x:", so add a dot :-( */
e1dbac94
GS
1182 case ':':
1183 if (l == 2 && isALPHA(path[0])) {
426c1a18
GS
1184 buffer[0] = path[0];
1185 buffer[1] = ':';
1186 buffer[2] = '.';
1187 buffer[3] = '\0';
e1dbac94 1188 l = 3;
426c1a18 1189 path = buffer;
e1dbac94
GS
1190 }
1191 break;
68dc0745
PP
1192 }
1193 }
6b980173
JD
1194
1195 /* We *must* open & close the file once; otherwise file attribute changes */
1196 /* might not yet have propagated to "other" hard links of the same file. */
1197 /* This also gives us an opportunity to determine the number of links. */
7fac1903 1198 if (USING_WIDE()) {
0cb96387 1199 A2WHELPER(path, wbuffer, sizeof(wbuffer));
e9ff6d27
GS
1200 pwbuffer = PerlDir_mapW(wbuffer);
1201 handle = CreateFileW(pwbuffer, 0, 0, NULL, OPEN_EXISTING, 0, NULL);
7fac1903
GS
1202 }
1203 else {
e9ff6d27
GS
1204 path = PerlDir_mapA(path);
1205 l = strlen(path);
1206 handle = CreateFileA(path, 0, 0, NULL, OPEN_EXISTING, 0, NULL);
6b980173
JD
1207 }
1208 if (handle != INVALID_HANDLE_VALUE) {
1209 BY_HANDLE_FILE_INFORMATION bhi;
1210 if (GetFileInformationByHandle(handle, &bhi))
1211 nlink = bhi.nNumberOfLinks;
1212 CloseHandle(handle);
7fac1903 1213 }
6b980173 1214
e9ff6d27 1215 /* pwbuffer or path will be mapped correctly above */
7766f137 1216 if (USING_WIDE()) {
c623ac67
GS
1217#if defined(WIN64) || defined(USE_LARGE_FILES)
1218 res = _wstati64(pwbuffer, sbuf);
1219#else
eb160463 1220 res = _wstat(pwbuffer, (struct _stat*)sbuf);
c623ac67 1221#endif
7766f137
GS
1222 }
1223 else {
c623ac67
GS
1224#if defined(WIN64) || defined(USE_LARGE_FILES)
1225 res = _stati64(path, sbuf);
1226#else
e9ff6d27 1227 res = stat(path, sbuf);
c623ac67 1228#endif
7766f137 1229 }
426c1a18 1230 sbuf->st_nlink = nlink;
6b980173 1231
24caa93f
GS
1232 if (res < 0) {
1233 /* CRT is buggy on sharenames, so make sure it really isn't.
1234 * XXX using GetFileAttributesEx() will enable us to set
426c1a18 1235 * sbuf->st_*time (but note that's not available on the
24caa93f 1236 * Windows of 1995) */
7fac1903
GS
1237 DWORD r;
1238 if (USING_WIDE()) {
e9ff6d27 1239 r = GetFileAttributesW(pwbuffer);
7fac1903
GS
1240 }
1241 else {
e9ff6d27 1242 r = GetFileAttributesA(path);
7fac1903 1243 }
24caa93f 1244 if (r != 0xffffffff && (r & FILE_ATTRIBUTE_DIRECTORY)) {
426c1a18 1245 /* sbuf may still contain old garbage since stat() failed */
c623ac67 1246 Zero(sbuf, 1, Stat_t);
426c1a18 1247 sbuf->st_mode = S_IFDIR | S_IREAD;
24caa93f
GS
1248 errno = 0;
1249 if (!(r & FILE_ATTRIBUTE_READONLY))
426c1a18 1250 sbuf->st_mode |= S_IWRITE | S_IEXEC;
24caa93f
GS
1251 return 0;
1252 }
1253 }
24caa93f 1254 else {
e1dbac94
GS
1255 if (l == 3 && isALPHA(path[0]) && path[1] == ':'
1256 && (path[2] == '\\' || path[2] == '/'))
2293b0e9
AB
1257 {
1258 /* The drive can be inaccessible, some _stat()s are buggy */
7fac1903 1259 if (USING_WIDE()
e9ff6d27
GS
1260 ? !GetVolumeInformationW(pwbuffer,NULL,0,NULL,NULL,NULL,NULL,0)
1261 : !GetVolumeInformationA(path,NULL,0,NULL,NULL,NULL,NULL,0)) {
2293b0e9
AB
1262 errno = ENOENT;
1263 return -1;
1264 }
1265 }
1266#ifdef __BORLANDC__
426c1a18
GS
1267 if (S_ISDIR(sbuf->st_mode))
1268 sbuf->st_mode |= S_IWRITE | S_IEXEC;
1269 else if (S_ISREG(sbuf->st_mode)) {
d0650a05 1270 int perms;
67fbe06e
GS
1271 if (l >= 4 && path[l-4] == '.') {
1272 const char *e = path + l - 3;
1273 if (strnicmp(e,"exe",3)
1274 && strnicmp(e,"bat",3)
1275 && strnicmp(e,"com",3)
1276 && (IsWin95() || strnicmp(e,"cmd",3)))
426c1a18 1277 sbuf->st_mode &= ~S_IEXEC;
67fbe06e 1278 else
426c1a18 1279 sbuf->st_mode |= S_IEXEC;
67fbe06e
GS
1280 }
1281 else
426c1a18 1282 sbuf->st_mode &= ~S_IEXEC;
d0650a05
GS
1283 /* Propagate permissions to _group_ and _others_ */
1284 perms = sbuf->st_mode & (S_IREAD|S_IWRITE|S_IEXEC);
1285 sbuf->st_mode |= (perms>>3) | (perms>>6);
67fbe06e 1286 }
67fbe06e 1287#endif
2293b0e9 1288 }
67fbe06e 1289 return res;
0a753a76
PP
1290}
1291
bb27e7b6
JH
1292#define isSLASH(c) ((c) == '/' || (c) == '\\')
1293#define SKIP_SLASHES(s) \
1294 STMT_START { \
1295 while (*(s) && isSLASH(*(s))) \
1296 ++(s); \
1297 } STMT_END
1298#define COPY_NONSLASHES(d,s) \
1299 STMT_START { \
1300 while (*(s) && !isSLASH(*(s))) \
1301 *(d)++ = *(s)++; \
1302 } STMT_END
1303
8ac9c18d
GS
1304/* Find the longname of a given path. path is destructively modified.
1305 * It should have space for at least MAX_PATH characters. */
1306DllExport char *
1307win32_longpath(char *path)
1308{
1309 WIN32_FIND_DATA fdata;
1310 HANDLE fhand;
1311 char tmpbuf[MAX_PATH+1];
1312 char *tmpstart = tmpbuf;
1313 char *start = path;
1314 char sep;
1315 if (!path)
1316 return Nullch;
1317
1318 /* drive prefix */
bb27e7b6 1319 if (isALPHA(path[0]) && path[1] == ':') {
8ac9c18d
GS
1320 start = path + 2;
1321 *tmpstart++ = path[0];
1322 *tmpstart++ = ':';
1323 }
1324 /* UNC prefix */
bb27e7b6 1325 else if (isSLASH(path[0]) && isSLASH(path[1])) {
8ac9c18d 1326 start = path + 2;
52fcf7ee
GS
1327 *tmpstart++ = path[0];
1328 *tmpstart++ = path[1];
bb27e7b6
JH
1329 SKIP_SLASHES(start);
1330 COPY_NONSLASHES(tmpstart,start); /* copy machine name */
8ac9c18d 1331 if (*start) {
bb27e7b6
JH
1332 *tmpstart++ = *start++;
1333 SKIP_SLASHES(start);
1334 COPY_NONSLASHES(tmpstart,start); /* copy share name */
8ac9c18d
GS
1335 }
1336 }
8ac9c18d 1337 *tmpstart = '\0';
bb27e7b6
JH
1338 while (*start) {
1339 /* copy initial slash, if any */
1340 if (isSLASH(*start)) {
1341 *tmpstart++ = *start++;
1342 *tmpstart = '\0';
1343 SKIP_SLASHES(start);
1344 }
1345
1346 /* FindFirstFile() expands "." and "..", so we need to pass
1347 * those through unmolested */
1348 if (*start == '.'
1349 && (!start[1] || isSLASH(start[1])
1350 || (start[1] == '.' && (!start[2] || isSLASH(start[2])))))
1351 {
1352 COPY_NONSLASHES(tmpstart,start); /* copy "." or ".." */
1353 *tmpstart = '\0';
1354 continue;
1355 }
1356
1357 /* if this is the end, bust outta here */
1358 if (!*start)
1359 break;
8ac9c18d 1360
bb27e7b6
JH
1361 /* now we're at a non-slash; walk up to next slash */
1362 while (*start && !isSLASH(*start))
8ac9c18d 1363 ++start;
8ac9c18d
GS
1364
1365 /* stop and find full name of component */
bb27e7b6 1366 sep = *start;
8ac9c18d
GS
1367 *start = '\0';
1368 fhand = FindFirstFile(path,&fdata);
bb27e7b6 1369 *start = sep;
8ac9c18d 1370 if (fhand != INVALID_HANDLE_VALUE) {
bb27e7b6
JH
1371 STRLEN len = strlen(fdata.cFileName);
1372 if ((STRLEN)(tmpbuf + sizeof(tmpbuf) - tmpstart) > len) {
1373 strcpy(tmpstart, fdata.cFileName);
1374 tmpstart += len;
1375 FindClose(fhand);
1376 }
1377 else {
1378 FindClose(fhand);
1379 errno = ERANGE;
1380 return Nullch;
1381 }
8ac9c18d
GS
1382 }
1383 else {
1384 /* failed a step, just return without side effects */
bf49b057 1385 /*PerlIO_printf(Perl_debug_log, "Failed to find %s\n", path);*/
bb27e7b6 1386 errno = EINVAL;
8ac9c18d
GS
1387 return Nullch;
1388 }
1389 }
1390 strcpy(path,tmpbuf);
1391 return path;
1392}
1393
0551aaa8
GS
1394DllExport char *
1395win32_getenv(const char *name)
1396{
acfe0abc 1397 dTHX;
82867ecf 1398 WCHAR wBuffer[MAX_PATH+1];
0551aaa8 1399 DWORD needlen;
51371543 1400 SV *curitem = Nullsv;
58a50f62 1401
7fac1903 1402 if (USING_WIDE()) {
0cb96387 1403 A2WHELPER(name, wBuffer, sizeof(wBuffer));
51371543 1404 needlen = GetEnvironmentVariableW(wBuffer, NULL, 0);
7fac1903
GS
1405 }
1406 else
51371543 1407 needlen = GetEnvironmentVariableA(name,NULL,0);
58a50f62 1408 if (needlen != 0) {
51371543 1409 curitem = sv_2mortal(newSVpvn("", 0));
7fac1903 1410 if (USING_WIDE()) {
51371543
GS
1411 SV *acuritem;
1412 do {
1413 SvGROW(curitem, (needlen+1)*sizeof(WCHAR));
1414 needlen = GetEnvironmentVariableW(wBuffer,
1415 (WCHAR*)SvPVX(curitem),
1416 needlen);
1417 } while (needlen >= SvLEN(curitem)/sizeof(WCHAR));
c5be433b 1418 SvCUR_set(curitem, (needlen*sizeof(WCHAR))+1);
51371543
GS
1419 acuritem = sv_2mortal(newSVsv(curitem));
1420 W2AHELPER((WCHAR*)SvPVX(acuritem), SvPVX(curitem), SvCUR(curitem));
7fac1903
GS
1421 }
1422 else {
51371543
GS
1423 do {
1424 SvGROW(curitem, needlen+1);
1425 needlen = GetEnvironmentVariableA(name,SvPVX(curitem),
1426 needlen);
1427 } while (needlen >= SvLEN(curitem));
1428 SvCUR_set(curitem, needlen);
58a50f62 1429 }
0551aaa8 1430 }
c934e9d4 1431 else {
7a5f8e82 1432 /* allow any environment variables that begin with 'PERL'
c934e9d4 1433 to be stored in the registry */
51371543 1434 if (strncmp(name, "PERL", 4) == 0)
c5be433b 1435 (void)get_regstr(name, &curitem);
c69f6586 1436 }
51371543
GS
1437 if (curitem && SvCUR(curitem))
1438 return SvPVX(curitem);
58a50f62 1439
51371543 1440 return Nullch;
0551aaa8
GS
1441}
1442
ac5c734f
GS
1443DllExport int
1444win32_putenv(const char *name)
1445{
acfe0abc 1446 dTHX;
ac5c734f
GS
1447 char* curitem;
1448 char* val;
7fac1903
GS
1449 WCHAR* wCuritem;
1450 WCHAR* wVal;
1451 int length, relval = -1;
51371543 1452
73c4f7a1 1453 if (name) {
7fac1903
GS
1454 if (USING_WIDE()) {
1455 length = strlen(name)+1;
1456 New(1309,wCuritem,length,WCHAR);
c5be433b 1457 A2WHELPER(name, wCuritem, length*sizeof(WCHAR));
7fac1903 1458 wVal = wcschr(wCuritem, '=');
7766f137 1459 if (wVal) {
7fac1903 1460 *wVal++ = '\0';
7766f137 1461 if (SetEnvironmentVariableW(wCuritem, *wVal ? wVal : NULL))
7fac1903
GS
1462 relval = 0;
1463 }
1464 Safefree(wCuritem);
1465 }
1466 else {
1467 New(1309,curitem,strlen(name)+1,char);
1468 strcpy(curitem, name);
1469 val = strchr(curitem, '=');
7766f137 1470 if (val) {
7fac1903
GS
1471 /* The sane way to deal with the environment.
1472 * Has these advantages over putenv() & co.:
1473 * * enables us to store a truly empty value in the
1474 * environment (like in UNIX).
1475 * * we don't have to deal with RTL globals, bugs and leaks.
1476 * * Much faster.
1477 * Why you may want to enable USE_WIN32_RTL_ENV:
1478 * * environ[] and RTL functions will not reflect changes,
1479 * which might be an issue if extensions want to access
1480 * the env. via RTL. This cuts both ways, since RTL will
1481 * not see changes made by extensions that call the Win32
1482 * functions directly, either.
1483 * GSAR 97-06-07
1484 */
1485 *val++ = '\0';
7766f137 1486 if (SetEnvironmentVariableA(curitem, *val ? val : NULL))
7fac1903
GS
1487 relval = 0;
1488 }
1489 Safefree(curitem);
ac5c734f 1490 }
ac5c734f
GS
1491 }
1492 return relval;
1493}
1494
d55594ae 1495static long
2d7a9237 1496filetime_to_clock(PFILETIME ft)
d55594ae 1497{
7766f137
GS
1498 __int64 qw = ft->dwHighDateTime;
1499 qw <<= 32;
1500 qw |= ft->dwLowDateTime;
1501 qw /= 10000; /* File time ticks at 0.1uS, clock at 1mS */
1502 return (long) qw;
d55594ae
GS
1503}
1504
f3986ebb
GS
1505DllExport int
1506win32_times(struct tms *timebuf)
0a753a76 1507{
d55594ae
GS
1508 FILETIME user;
1509 FILETIME kernel;
1510 FILETIME dummy;
50ee8e5e 1511 clock_t process_time_so_far = clock();
3fadfdf1 1512 if (GetProcessTimes(GetCurrentProcess(), &dummy, &dummy,
d55594ae 1513 &kernel,&user)) {
2d7a9237
GS
1514 timebuf->tms_utime = filetime_to_clock(&user);
1515 timebuf->tms_stime = filetime_to_clock(&kernel);
d55594ae
GS
1516 timebuf->tms_cutime = 0;
1517 timebuf->tms_cstime = 0;
3fadfdf1 1518 } else {
d55594ae 1519 /* That failed - e.g. Win95 fallback to clock() */
50ee8e5e 1520 timebuf->tms_utime = process_time_so_far;
d55594ae
GS
1521 timebuf->tms_stime = 0;
1522 timebuf->tms_cutime = 0;
1523 timebuf->tms_cstime = 0;
1524 }
50ee8e5e 1525 return process_time_so_far;
0a753a76
PP
1526}
1527
9c51cf4c 1528/* fix utime() so it works on directories in NT */
ad0751ec
GS
1529static BOOL
1530filetime_from_time(PFILETIME pFileTime, time_t Time)
1531{
9c51cf4c 1532 struct tm *pTM = localtime(&Time);
ad0751ec 1533 SYSTEMTIME SystemTime;
9c51cf4c 1534 FILETIME LocalTime;
ad0751ec
GS
1535
1536 if (pTM == NULL)
1537 return FALSE;
1538
1539 SystemTime.wYear = pTM->tm_year + 1900;
1540 SystemTime.wMonth = pTM->tm_mon + 1;
1541 SystemTime.wDay = pTM->tm_mday;
1542 SystemTime.wHour = pTM->tm_hour;
1543 SystemTime.wMinute = pTM->tm_min;
1544 SystemTime.wSecond = pTM->tm_sec;
1545 SystemTime.wMilliseconds = 0;
1546
9c51cf4c
GS
1547 return SystemTimeToFileTime(&SystemTime, &LocalTime) &&
1548 LocalFileTimeToFileTime(&LocalTime, pFileTime);
ad0751ec
GS
1549}
1550
1551DllExport int
7766f137
GS
1552win32_unlink(const char *filename)
1553{
acfe0abc 1554 dTHX;
7766f137
GS
1555 int ret;
1556 DWORD attrs;
1557
1558 if (USING_WIDE()) {
82867ecf 1559 WCHAR wBuffer[MAX_PATH+1];
e9ff6d27 1560 WCHAR* pwBuffer;
7766f137
GS
1561
1562 A2WHELPER(filename, wBuffer, sizeof(wBuffer));
e9ff6d27
GS
1563 pwBuffer = PerlDir_mapW(wBuffer);
1564 attrs = GetFileAttributesW(pwBuffer);
c00206c8
GS
1565 if (attrs == 0xFFFFFFFF)
1566 goto fail;
7766f137 1567 if (attrs & FILE_ATTRIBUTE_READONLY) {
e9ff6d27
GS
1568 (void)SetFileAttributesW(pwBuffer, attrs & ~FILE_ATTRIBUTE_READONLY);
1569 ret = _wunlink(pwBuffer);
7766f137 1570 if (ret == -1)
e9ff6d27 1571 (void)SetFileAttributesW(pwBuffer, attrs);
7766f137
GS
1572 }
1573 else
e9ff6d27 1574 ret = _wunlink(pwBuffer);
7766f137
GS
1575 }
1576 else {
e9ff6d27
GS
1577 filename = PerlDir_mapA(filename);
1578 attrs = GetFileAttributesA(filename);
c00206c8
GS
1579 if (attrs == 0xFFFFFFFF)
1580 goto fail;
7766f137 1581 if (attrs & FILE_ATTRIBUTE_READONLY) {
e9ff6d27
GS
1582 (void)SetFileAttributesA(filename, attrs & ~FILE_ATTRIBUTE_READONLY);
1583 ret = unlink(filename);
7766f137 1584 if (ret == -1)
e9ff6d27 1585 (void)SetFileAttributesA(filename, attrs);
7766f137
GS
1586 }
1587 else
e9ff6d27 1588 ret = unlink(filename);
7766f137
GS
1589 }
1590 return ret;
c00206c8
GS
1591fail:
1592 errno = ENOENT;
1593 return -1;
7766f137
GS
1594}
1595
1596DllExport int
3b405fc5 1597win32_utime(const char *filename, struct utimbuf *times)
ad0751ec 1598{
acfe0abc 1599 dTHX;
ad0751ec
GS
1600 HANDLE handle;
1601 FILETIME ftCreate;
1602 FILETIME ftAccess;
1603 FILETIME ftWrite;
1604 struct utimbuf TimeBuffer;
82867ecf 1605 WCHAR wbuffer[MAX_PATH+1];
e9ff6d27 1606 WCHAR* pwbuffer;
ad0751ec 1607
7fac1903
GS
1608 int rc;
1609 if (USING_WIDE()) {
0cb96387 1610 A2WHELPER(filename, wbuffer, sizeof(wbuffer));
e9ff6d27
GS
1611 pwbuffer = PerlDir_mapW(wbuffer);
1612 rc = _wutime(pwbuffer, (struct _utimbuf*)times);
7fac1903
GS
1613 }
1614 else {
e9ff6d27
GS
1615 filename = PerlDir_mapA(filename);
1616 rc = utime(filename, times);
7fac1903 1617 }
ad0751ec
GS
1618 /* EACCES: path specifies directory or readonly file */
1619 if (rc == 0 || errno != EACCES /* || !IsWinNT() */)
1620 return rc;
1621
1622 if (times == NULL) {
1623 times = &TimeBuffer;
1624 time(&times->actime);
1625 times->modtime = times->actime;
1626 }
1627
1628 /* This will (and should) still fail on readonly files */
7fac1903 1629 if (USING_WIDE()) {
e9ff6d27 1630 handle = CreateFileW(pwbuffer, GENERIC_READ | GENERIC_WRITE,
7fac1903
GS
1631 FILE_SHARE_READ | FILE_SHARE_DELETE, NULL,
1632 OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL);
1633 }
1634 else {
e9ff6d27 1635 handle = CreateFileA(filename, GENERIC_READ | GENERIC_WRITE,
7fac1903
GS
1636 FILE_SHARE_READ | FILE_SHARE_DELETE, NULL,
1637 OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL);
1638 }
ad0751ec
GS
1639 if (handle == INVALID_HANDLE_VALUE)
1640 return rc;
1641
1642 if (GetFileTime(handle, &ftCreate, &ftAccess, &ftWrite) &&
1643 filetime_from_time(&ftAccess, times->actime) &&
1644 filetime_from_time(&ftWrite, times->modtime) &&
1645 SetFileTime(handle, &ftCreate, &ftAccess, &ftWrite))
1646 {
1647 rc = 0;
1648 }
1649
1650 CloseHandle(handle);
1651 return rc;
1652}
1653
6e3b076d
JH
1654typedef union {
1655 unsigned __int64 ft_i64;
1656 FILETIME ft_val;
1657} FT_t;
1658
1659#ifdef __GNUC__
1660#define Const64(x) x##LL
1661#else
1662#define Const64(x) x##i64
1663#endif
1664/* Number of 100 nanosecond units from 1/1/1601 to 1/1/1970 */
1665#define EPOCH_BIAS Const64(116444736000000000)
1666
57ab3dfe
GS
1667/* NOTE: This does not compute the timezone info (doing so can be expensive,
1668 * and appears to be unsupported even by glibc) */
1669DllExport int
1670win32_gettimeofday(struct timeval *tp, void *not_used)
1671{
6e3b076d
JH
1672 FT_t ft;
1673
1674 /* this returns time in 100-nanosecond units (i.e. tens of usecs) */
1675 GetSystemTimeAsFileTime(&ft.ft_val);
1676
1677 /* seconds since epoch */
1678 tp->tv_sec = (long)((ft.ft_i64 - EPOCH_BIAS) / Const64(10000000));
1679
1680 /* microseconds remaining */
1681 tp->tv_usec = (long)((ft.ft_i64 / Const64(10)) % Const64(1000000));
1682
1683 return 0;
57ab3dfe
GS
1684}
1685
2d7a9237 1686DllExport int
b2af26b1
GS
1687win32_uname(struct utsname *name)
1688{
1689 struct hostent *hep;
1690 STRLEN nodemax = sizeof(name->nodename)-1;
1691 OSVERSIONINFO osver;
1692
1693 memset(&osver, 0, sizeof(OSVERSIONINFO));
1694 osver.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
1695 if (GetVersionEx(&osver)) {
1696 /* sysname */
1697 switch (osver.dwPlatformId) {
1698 case VER_PLATFORM_WIN32_WINDOWS:
1699 strcpy(name->sysname, "Windows");
1700 break;
1701 case VER_PLATFORM_WIN32_NT:
1702 strcpy(name->sysname, "Windows NT");
1703 break;
1704 case VER_PLATFORM_WIN32s:
1705 strcpy(name->sysname, "Win32s");
1706 break;
1707 default:
1708 strcpy(name->sysname, "Win32 Unknown");
1709 break;
1710 }
1711
cf6cacac
GS
1712 /* release */
1713 sprintf(name->release, "%d.%d",
b2af26b1
GS
1714 osver.dwMajorVersion, osver.dwMinorVersion);
1715
cf6cacac
GS
1716 /* version */
1717 sprintf(name->version, "Build %d",
b2af26b1
GS
1718 osver.dwPlatformId == VER_PLATFORM_WIN32_NT
1719 ? osver.dwBuildNumber : (osver.dwBuildNumber & 0xffff));
1720 if (osver.szCSDVersion[0]) {
cf6cacac 1721 char *buf = name->version + strlen(name->version);
b2af26b1
GS
1722 sprintf(buf, " (%s)", osver.szCSDVersion);
1723 }
1724 }
1725 else {
1726 *name->sysname = '\0';
1727 *name->version = '\0';
1728 *name->release = '\0';
1729 }
1730
1731 /* nodename */
1732 hep = win32_gethostbyname("localhost");
1733 if (hep) {
1734 STRLEN len = strlen(hep->h_name);
1735 if (len <= nodemax) {
1736 strcpy(name->nodename, hep->h_name);
1737 }
1738 else {
1739 strncpy(name->nodename, hep->h_name, nodemax);
1740 name->nodename[nodemax] = '\0';
1741 }
1742 }
1743 else {
1744 DWORD sz = nodemax;
1745 if (!GetComputerName(name->nodename, &sz))
1746 *name->nodename = '\0';
1747 }
1748
1749 /* machine (architecture) */
1750 {
1751 SYSTEM_INFO info;
1752 char *arch;
1753 GetSystemInfo(&info);
a6c40364 1754
6f24f39d
JK
1755#if (defined(__BORLANDC__)&&(__BORLANDC__<=0x520)) \
1756 || (defined(__MINGW32__) && !defined(_ANONYMOUS_UNION))
a6c40364
GS
1757 switch (info.u.s.wProcessorArchitecture) {
1758#else
b2af26b1 1759 switch (info.wProcessorArchitecture) {
a6c40364 1760#endif
b2af26b1
GS
1761 case PROCESSOR_ARCHITECTURE_INTEL:
1762 arch = "x86"; break;
1763 case PROCESSOR_ARCHITECTURE_MIPS:
1764 arch = "mips"; break;
1765 case PROCESSOR_ARCHITECTURE_ALPHA:
1766 arch = "alpha"; break;
1767 case PROCESSOR_ARCHITECTURE_PPC:
1768 arch = "ppc"; break;
1769 default:
1770 arch = "unknown"; break;
1771 }
1772 strcpy(name->machine, arch);
1773 }
1774 return 0;
1775}
1776
8fb3fcfb
NIS
1777/* Timing related stuff */
1778
3fadfdf1
NIS
1779int
1780do_raise(pTHX_ int sig)
1781{
1782 if (sig < SIG_SIZE) {
1783 Sighandler_t handler = w32_sighandler[sig];
1784 if (handler == SIG_IGN) {
1785 return 0;
1786 }
1787 else if (handler != SIG_DFL) {
1788 (*handler)(sig);
1789 return 0;
1790 }
1791 else {
1792 /* Choose correct default behaviour */
1793 switch (sig) {
1794#ifdef SIGCLD
1795 case SIGCLD:
1796#endif
1797#ifdef SIGCHLD
1798 case SIGCHLD:
1799#endif
1800 case 0:
1801 return 0;
1802 case SIGTERM:
1803 default:
1804 break;
1805 }
1806 }
1807 }
1808 /* Tell caller to exit thread/process as approriate */
1809 return 1;
1810}
1811
1812void
1813sig_terminate(pTHX_ int sig)
1814{
1815 Perl_warn(aTHX_ "Terminating on signal SIG%s(%d)\n",PL_sig_name[sig], sig);
1816 /* exit() seems to be safe, my_exit() or die() is a problem in ^C
1817 thread
1818 */
1819 exit(sig);
1820}
1821
8fb3fcfb
NIS
1822DllExport int
1823win32_async_check(pTHX)
1824{
1825 MSG msg;
1826 int ours = 1;
7e5f34c0
NIS
1827 /* Passing PeekMessage -1 as HWND (2nd arg) only get PostThreadMessage() messages
1828 * and ignores window messages - should co-exist better with windows apps e.g. Tk
3fadfdf1 1829 */
222c300a 1830 while (PeekMessage(&msg, (HWND)-1, 0, 0, PM_REMOVE|PM_NOYIELD)) {
3fadfdf1 1831 int sig;
8fb3fcfb
NIS
1832 switch(msg.message) {
1833
7e5f34c0
NIS
1834#if 0
1835 /* Perhaps some other messages could map to signals ? ... */
1836 case WM_CLOSE:
3fadfdf1 1837 case WM_QUIT:
7e5f34c0 1838 /* Treat WM_QUIT like SIGHUP? */
3fadfdf1
NIS
1839 sig = SIGHUP;
1840 goto Raise;
7e5f34c0
NIS
1841 break;
1842#endif
1843
c843839f 1844 /* We use WM_USER to fake kill() with other signals */
8fb3fcfb 1845 case WM_USER: {
3fadfdf1
NIS
1846 sig = msg.wParam;
1847 Raise:
1848 if (do_raise(aTHX_ sig)) {
1849 sig_terminate(aTHX_ sig);
1850 }
8fb3fcfb
NIS
1851 break;
1852 }
3fadfdf1 1853
8fb3fcfb
NIS
1854 case WM_TIMER: {
1855 /* alarm() is a one-shot but SetTimer() repeats so kill it */
222c300a
NIS
1856 if (w32_timerid) {
1857 KillTimer(NULL,w32_timerid);
3fadfdf1
NIS
1858 w32_timerid=0;
1859 }
8fb3fcfb 1860 /* Now fake a call to signal handler */
3fadfdf1
NIS
1861 if (do_raise(aTHX_ 14)) {
1862 sig_terminate(aTHX_ 14);
1863 }
8fb3fcfb
NIS
1864 break;
1865 }
1866
1867 /* Otherwise do normal Win32 thing - in case it is useful */
1868 default:
1869 TranslateMessage(&msg);
1870 DispatchMessage(&msg);
1871 ours = 0;
1872 break;
1873 }
1874 }
05ec9bb3 1875 w32_poll_count = 0;
8fb3fcfb 1876
7e5f34c0 1877 /* Above or other stuff may have set a signal flag */
8fb3fcfb
NIS
1878 if (PL_sig_pending) {
1879 despatch_signals();
1880 }
3fadfdf1 1881 return ours;
8fb3fcfb
NIS
1882}
1883
1884DllExport DWORD
1885win32_msgwait(pTHX_ DWORD count, LPHANDLE handles, DWORD timeout, LPDWORD resultp)
1886{
1887 /* We may need several goes at this - so compute when we stop */
1888 DWORD ticks = 0;
1889 if (timeout != INFINITE) {
1890 ticks = GetTickCount();
1891 timeout += ticks;
1892 }
1893 while (1) {
1894 DWORD result = MsgWaitForMultipleObjects(count,handles,FALSE,timeout-ticks, QS_ALLEVENTS);
1895 if (resultp)
1896 *resultp = result;
1897 if (result == WAIT_TIMEOUT) {
3fadfdf1
NIS
1898 /* Ran out of time - explicit return of zero to avoid -ve if we
1899 have scheduling issues
1900 */
8fb3fcfb
NIS
1901 return 0;
1902 }
1903 if (timeout != INFINITE) {
1904 ticks = GetTickCount();
1905 }
1906 if (result == WAIT_OBJECT_0 + count) {
1907 /* Message has arrived - check it */
1908 if (win32_async_check(aTHX)) {
1909 /* was one of ours */
1910 break;
1911 }
1912 }
1913 else {
1914 /* Not timeout or message - one of handles is ready */
1915 break;
1916 }
1917 }
1918 /* compute time left to wait */
1919 ticks = timeout - ticks;
1920 /* If we are past the end say zero */
1921 return (ticks > 0) ? ticks : 0;
1922}
1923
932b7487
RC
1924int
1925win32_internal_wait(int *status, DWORD timeout)
1926{
1927 /* XXX this wait emulation only knows about processes
1928 * spawned via win32_spawnvp(P_NOWAIT, ...).
1929 */
1930 dTHX;
1931 int i, retval;
1932 DWORD exitcode, waitcode;
1933
1934#ifdef USE_ITHREADS
1935 if (w32_num_pseudo_children) {
8fb3fcfb
NIS
1936 win32_msgwait(aTHX_ w32_num_pseudo_children, w32_pseudo_child_handles,
1937 timeout, &waitcode);
932b7487
RC
1938 /* Time out here if there are no other children to wait for. */
1939 if (waitcode == WAIT_TIMEOUT) {
1940 if (!w32_num_children) {
1941 return 0;
1942 }
1943 }
1944 else if (waitcode != WAIT_FAILED) {
1945 if (waitcode >= WAIT_ABANDONED_0
1946 && waitcode < WAIT_ABANDONED_0 + w32_num_pseudo_children)
1947 i = waitcode - WAIT_ABANDONED_0;
1948 else
1949 i = waitcode - WAIT_OBJECT_0;
1950 if (GetExitCodeThread(w32_pseudo_child_handles[i], &exitcode)) {
1951 *status = (int)((exitcode & 0xff) << 8);
1952 retval = (int)w32_pseudo_child_pids[i];
1953 remove_dead_pseudo_process(i);
1954 return -retval;
1955 }
1956 }
1957 }
1958#endif
1959
1960 if (!w32_num_children) {
1961 errno = ECHILD;
1962 return -1;
1963 }
1964
1965 /* if a child exists, wait for it to die */
8fb3fcfb 1966 win32_msgwait(aTHX_ w32_num_children, w32_child_handles, timeout, &waitcode);
932b7487
RC
1967 if (waitcode == WAIT_TIMEOUT) {
1968 return 0;
1969 }
1970 if (waitcode != WAIT_FAILED) {
1971 if (waitcode >= WAIT_ABANDONED_0
1972 && waitcode < WAIT_ABANDONED_0 + w32_num_children)
1973 i = waitcode - WAIT_ABANDONED_0;
1974 else
1975 i = waitcode - WAIT_OBJECT_0;
1976 if (GetExitCodeProcess(w32_child_handles[i], &exitcode) ) {
1977 *status = (int)((exitcode & 0xff) << 8);
1978 retval = (int)w32_child_pids[i];
1979 remove_dead_process(i);
1980 return retval;
1981 }
1982 }
1983
932b7487
RC
1984 errno = GetLastError();
1985 return -1;
1986}
1987
b2af26b1 1988DllExport int
f55ee38a
GS
1989win32_waitpid(int pid, int *status, int flags)
1990{
acfe0abc 1991 dTHX;
922b1888 1992 DWORD timeout = (flags & WNOHANG) ? 0 : INFINITE;
0aaad0ff 1993 int retval = -1;
c66b022d 1994 long child;
7766f137 1995 if (pid == -1) /* XXX threadid == 1 ? */
932b7487 1996 return win32_internal_wait(status, timeout);
7766f137
GS
1997#ifdef USE_ITHREADS
1998 else if (pid < 0) {
c66b022d 1999 child = find_pseudo_pid(-pid);
7766f137
GS
2000 if (child >= 0) {
2001 HANDLE hThread = w32_pseudo_child_handles[child];
8fb3fcfb
NIS
2002 DWORD waitcode;
2003 win32_msgwait(aTHX_ 1, &hThread, timeout, &waitcode);
2f67576d
BC
2004 if (waitcode == WAIT_TIMEOUT) {
2005 return 0;
2006 }
8fb3fcfb 2007 else if (waitcode == WAIT_OBJECT_0) {
7766f137
GS
2008 if (GetExitCodeThread(hThread, &waitcode)) {
2009 *status = (int)((waitcode & 0xff) << 8);
2010 retval = (int)w32_pseudo_child_pids[child];
2011 remove_dead_pseudo_process(child);
68a29c53 2012 return -retval;
7766f137
GS
2013 }
2014 }
2015 else
2016 errno = ECHILD;
2017 }
922b1888
GS
2018 else if (IsWin95()) {
2019 pid = -pid;
2020 goto alien_process;
2021 }
7766f137
GS
2022 }
2023#endif
f55ee38a 2024 else {
922b1888
GS
2025 HANDLE hProcess;
2026 DWORD waitcode;
c66b022d 2027 child = find_pid(pid);
0aaad0ff 2028 if (child >= 0) {
922b1888 2029 hProcess = w32_child_handles[child];
8fb3fcfb 2030 win32_msgwait(aTHX_ 1, &hProcess, timeout, &waitcode);
a7867d0a
GS
2031 if (waitcode == WAIT_TIMEOUT) {
2032 return 0;
2033 }
8fb3fcfb 2034 else if (waitcode == WAIT_OBJECT_0) {
922b1888
GS
2035 if (GetExitCodeProcess(hProcess, &waitcode)) {
2036 *status = (int)((waitcode & 0xff) << 8);
2037 retval = (int)w32_child_pids[child];
2038 remove_dead_process(child);
2039 return retval;
2040 }
a7867d0a 2041 }
0aaad0ff
GS
2042 else
2043 errno = ECHILD;
2044 }
2045 else {
922b1888
GS
2046alien_process:
2047 hProcess = OpenProcess(PROCESS_ALL_ACCESS, TRUE,
2048 (IsWin95() ? -pid : pid));
2049 if (hProcess) {
8fb3fcfb 2050 win32_msgwait(aTHX_ 1, &hProcess, timeout, &waitcode);
922b1888
GS
2051 if (waitcode == WAIT_TIMEOUT) {
2052 return 0;
2053 }
8fb3fcfb 2054 else if (waitcode == WAIT_OBJECT_0) {
922b1888
GS
2055 if (GetExitCodeProcess(hProcess, &waitcode)) {
2056 *status = (int)((waitcode & 0xff) << 8);
2057 CloseHandle(hProcess);
2058 return pid;
2059 }
2060 }
2061 CloseHandle(hProcess);
2062 }
2063 else
2064 errno = ECHILD;
0aaad0ff 2065 }
f55ee38a 2066 }
3fadfdf1 2067 return retval >= 0 ? pid : retval;
f55ee38a
GS
2068}
2069
2070DllExport int
2d7a9237
GS
2071win32_wait(int *status)
2072{
932b7487 2073 return win32_internal_wait(status, INFINITE);
2d7a9237 2074}
d55594ae 2075
8fb3fcfb
NIS
2076DllExport unsigned int
2077win32_sleep(unsigned int t)
d55594ae 2078{
acfe0abc 2079 dTHX;
8fb3fcfb
NIS
2080 /* Win32 times are in ms so *1000 in and /1000 out */
2081 return win32_msgwait(aTHX_ 0, NULL, t*1000, NULL)/1000;
d55594ae
GS
2082}
2083
f3986ebb
GS
2084DllExport unsigned int
2085win32_alarm(unsigned int sec)
0a753a76 2086{
3fadfdf1 2087 /*
d55594ae 2088 * the 'obvious' implentation is SetTimer() with a callback
3fadfdf1
NIS
2089 * which does whatever receiving SIGALRM would do
2090 * we cannot use SIGALRM even via raise() as it is not
d55594ae 2091 * one of the supported codes in <signal.h>
3fadfdf1 2092 */
acfe0abc 2093 dTHX;
8fb3fcfb
NIS
2094 if (sec) {
2095 w32_timerid = SetTimer(NULL,w32_timerid,sec*1000,NULL);
2096 }
2097 else {
2098 if (w32_timerid) {
2099 KillTimer(NULL,w32_timerid);
3fadfdf1 2100 w32_timerid=0;
8fb3fcfb 2101 }
3fadfdf1 2102 }
afe91769 2103 return 0;
0a753a76
PP
2104}
2105
26618a56 2106#ifdef HAVE_DES_FCRYPT
2d77217b 2107extern char * des_fcrypt(const char *txt, const char *salt, char *cbuf);
ff95b63e 2108#endif
26618a56
GS
2109
2110DllExport char *
2111win32_crypt(const char *txt, const char *salt)
2112{
acfe0abc 2113 dTHX;
ff95b63e 2114#ifdef HAVE_DES_FCRYPT
3352bfcb 2115 return des_fcrypt(txt, salt, w32_crypt_buffer);
ff95b63e 2116#else
25dbdbbc 2117 Perl_croak(aTHX_ "The crypt() function is unimplemented due to excessive paranoia.");
b8957cf1 2118 return Nullch;
ff95b63e 2119#endif
26618a56 2120}
26618a56 2121
9e5f57de 2122#ifdef USE_FIXED_OSFHANDLE
390b85e7
GS
2123
2124#define FOPEN 0x01 /* file handle open */
b181b6fb 2125#define FNOINHERIT 0x10 /* file handle opened O_NOINHERIT */
390b85e7
GS
2126#define FAPPEND 0x20 /* file handle opened O_APPEND */
2127#define FDEV 0x40 /* file handle refers to device */
2128#define FTEXT 0x80 /* file handle is in text mode */
2129
390b85e7 2130/***
c623ac67 2131*int my_open_osfhandle(intptr_t osfhandle, int flags) - open C Runtime file handle
390b85e7
GS
2132*
2133*Purpose:
2134* This function allocates a free C Runtime file handle and associates
2135* it with the Win32 HANDLE specified by the first parameter. This is a
9e5f57de
GS
2136* temperary fix for WIN95's brain damage GetFileType() error on socket
2137* we just bypass that call for socket
2138*
2139* This works with MSVC++ 4.0+ or GCC/Mingw32
390b85e7
GS
2140*
2141*Entry:
c623ac67 2142* intptr_t osfhandle - Win32 HANDLE to associate with C Runtime file handle.
390b85e7
GS
2143* int flags - flags to associate with C Runtime file handle.
2144*
2145*Exit:
2146* returns index of entry in fh, if successful
2147* return -1, if no free entry is found
2148*
2149*Exceptions:
2150*
2151*******************************************************************************/
2152
9e5f57de
GS
2153/*
2154 * we fake up some parts of the CRT that aren't exported by MSVCRT.dll
2155 * this lets sockets work on Win9X with GCC and should fix the problems
2156 * with perl95.exe
2157 * -- BKS, 1-23-2000
2158*/
2159
9e5f57de
GS
2160/* create an ioinfo entry, kill its handle, and steal the entry */
2161
b181b6fb
GS
2162static int
2163_alloc_osfhnd(void)
9e5f57de
GS
2164{
2165 HANDLE hF = CreateFile("NUL", 0, 0, NULL, OPEN_ALWAYS, 0, NULL);
c623ac67 2166 int fh = _open_osfhandle((intptr_t)hF, 0);
9e5f57de
GS
2167 CloseHandle(hF);
2168 if (fh == -1)
2169 return fh;
2170 EnterCriticalSection(&(_pioinfo(fh)->lock));
2171 return fh;
2172}
2173
390b85e7 2174static int
c623ac67 2175my_open_osfhandle(intptr_t osfhandle, int flags)
390b85e7
GS
2176{
2177 int fh;
2178 char fileflags; /* _osfile flags */
2179
2180 /* copy relevant flags from second parameter */
2181 fileflags = FDEV;
2182
9404a519 2183 if (flags & O_APPEND)
390b85e7
GS
2184 fileflags |= FAPPEND;
2185
9404a519 2186 if (flags & O_TEXT)
390b85e7
GS
2187 fileflags |= FTEXT;
2188
b181b6fb
GS
2189 if (flags & O_NOINHERIT)
2190 fileflags |= FNOINHERIT;
2191
390b85e7 2192 /* attempt to allocate a C Runtime file handle */
9404a519 2193 if ((fh = _alloc_osfhnd()) == -1) {
390b85e7
GS
2194 errno = EMFILE; /* too many open files */
2195 _doserrno = 0L; /* not an OS error */
2196 return -1; /* return error to caller */
2197 }
2198
2199 /* the file is open. now, set the info in _osfhnd array */
2200 _set_osfhnd(fh, osfhandle);
2201
2202 fileflags |= FOPEN; /* mark as open */
2203
390b85e7 2204 _osfile(fh) = fileflags; /* set osfile entry */
dd8f4818 2205 LeaveCriticalSection(&_pioinfo(fh)->lock);
390b85e7
GS
2206
2207 return fh; /* return handle */
2208}
2209
f3986ebb 2210#endif /* USE_FIXED_OSFHANDLE */
390b85e7
GS
2211
2212/* simulate flock by locking a range on the file */
2213
2214#define LK_ERR(f,i) ((f) ? (i = 0) : (errno = GetLastError()))
2215#define LK_LEN 0xffff0000
2216
f3986ebb
GS
2217DllExport int
2218win32_flock(int fd, int oper)
390b85e7
GS
2219{
2220 OVERLAPPED o;
2221 int i = -1;
2222 HANDLE fh;
2223
f3986ebb 2224 if (!IsWinNT()) {
acfe0abc 2225 dTHX;
4f63d024 2226 Perl_croak_nocontext("flock() unimplemented on this platform");
f3986ebb
GS
2227 return -1;
2228 }
390b85e7
GS
2229 fh = (HANDLE)_get_osfhandle(fd);
2230 memset(&o, 0, sizeof(o));
2231
2232 switch(oper) {
2233 case LOCK_SH: /* shared lock */
2234 LK_ERR(LockFileEx(fh, 0, 0, LK_LEN, 0, &o),i);
2235 break;
2236 case LOCK_EX: /* exclusive lock */
2237 LK_ERR(LockFileEx(fh, LOCKFILE_EXCLUSIVE_LOCK, 0, LK_LEN, 0, &o),i);
2238 break;
2239 case LOCK_SH|LOCK_NB: /* non-blocking shared lock */
2240 LK_ERR(LockFileEx(fh, LOCKFILE_FAIL_IMMEDIATELY, 0, LK_LEN, 0, &o),i);
2241 break;
2242 case LOCK_EX|LOCK_NB: /* non-blocking exclusive lock */
2243 LK_ERR(LockFileEx(fh,
2244 LOCKFILE_EXCLUSIVE_LOCK|LOCKFILE_FAIL_IMMEDIATELY,
2245 0, LK_LEN, 0, &o),i);
2246 break;
2247 case LOCK_UN: /* unlock lock */
2248 LK_ERR(UnlockFileEx(fh, 0, LK_LEN, 0, &o),i);
2249 break;
2250 default: /* unknown */
2251 errno = EINVAL;
2252 break;
2253 }
2254 return i;
2255}
2256
2257#undef LK_ERR
2258#undef LK_LEN
2259
68dc0745
PP
2260/*
2261 * redirected io subsystem for all XS modules
2262 *
2263 */
0a753a76 2264
68dc0745
PP
2265DllExport int *
2266win32_errno(void)
0a753a76 2267{
390b85e7 2268 return (&errno);
0a753a76
PP
2269}
2270
dcb2879a
GS
2271DllExport char ***
2272win32_environ(void)
2273{
390b85e7 2274 return (&(_environ));
dcb2879a
GS
2275}
2276
68dc0745
PP
2277/* the rest are the remapped stdio routines */
2278DllExport FILE *
2279win32_stderr(void)
0a753a76 2280{
390b85e7 2281 return (stderr);
0a753a76
PP
2282}
2283
68dc0745
PP
2284DllExport FILE *
2285win32_stdin(void)
0a753a76 2286{
390b85e7 2287 return (stdin);
0a753a76
PP
2288}
2289
68dc0745
PP
2290DllExport FILE *
2291win32_stdout()
0a753a76 2292{
390b85e7 2293 return (stdout);
0a753a76
PP
2294}
2295
68dc0745
PP
2296DllExport int
2297win32_ferror(FILE *fp)
0a753a76 2298{
390b85e7 2299 return (ferror(fp));
0a753a76
PP
2300}
2301
2302
68dc0745
PP
2303DllExport int
2304win32_feof(FILE *fp)
0a753a76 2305{
390b85e7 2306 return (feof(fp));
0a753a76
PP
2307}
2308
68dc0745 2309/*
3fadfdf1 2310 * Since the errors returned by the socket error function
68dc0745
PP
2311 * WSAGetLastError() are not known by the library routine strerror
2312 * we have to roll our own.
2313 */
0a753a76 2314
68dc0745 2315DllExport char *
3fadfdf1 2316win32_strerror(int e)
0a753a76 2317{
6f24f39d 2318#if !defined __BORLANDC__ && !defined __MINGW32__ /* compiler intolerance */
68dc0745 2319 extern int sys_nerr;
3e3baf6d 2320#endif
68dc0745 2321 DWORD source = 0;
0a753a76 2322
9404a519 2323 if (e < 0 || e > sys_nerr) {
acfe0abc 2324 dTHX;
9404a519 2325 if (e < 0)
68dc0745 2326 e = GetLastError();
0a753a76 2327
9404a519 2328 if (FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, &source, e, 0,
3352bfcb 2329 w32_strerror_buffer,
3fadfdf1 2330 sizeof(w32_strerror_buffer), NULL) == 0)
3352bfcb 2331 strcpy(w32_strerror_buffer, "Unknown Error");
0a753a76 2332
3352bfcb 2333 return w32_strerror_buffer;
68dc0745 2334 }
390b85e7 2335 return strerror(e);
0a753a76
PP
2336}
2337
22fae026 2338DllExport void
c5be433b 2339win32_str_os_error(void *sv, DWORD dwErr)
22fae026
TM
2340{
2341 DWORD dwLen;
2342 char *sMsg;
2343 dwLen = FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER
2344 |FORMAT_MESSAGE_IGNORE_INSERTS
2345 |FORMAT_MESSAGE_FROM_SYSTEM, NULL,
2346 dwErr, 0, (char *)&sMsg, 1, NULL);
2ce77adf 2347 /* strip trailing whitespace and period */
22fae026 2348 if (0 < dwLen) {
2ce77adf
GS
2349 do {
2350 --dwLen; /* dwLen doesn't include trailing null */
2351 } while (0 < dwLen && isSPACE(sMsg[dwLen]));
22fae026
TM
2352 if ('.' != sMsg[dwLen])
2353 dwLen++;
2ce77adf 2354 sMsg[dwLen] = '\0';
22fae026
TM
2355 }
2356 if (0 == dwLen) {
c69f6586 2357 sMsg = (char*)LocalAlloc(0, 64/**sizeof(TCHAR)*/);
db7c17d7
GS
2358 if (sMsg)
2359 dwLen = sprintf(sMsg,
2360 "Unknown error #0x%lX (lookup 0x%lX)",
2361 dwErr, GetLastError());
2362 }
2363 if (sMsg) {
acfe0abc 2364 dTHX;
db7c17d7
GS
2365 sv_setpvn((SV*)sv, sMsg, dwLen);
2366 LocalFree(sMsg);
22fae026 2367 }
22fae026
TM
2368}
2369
68dc0745
PP
2370DllExport int
2371win32_fprintf(FILE *fp, const char *format, ...)
0a753a76 2372{
68dc0745
PP
2373 va_list marker;
2374 va_start(marker, format); /* Initialize variable arguments. */
0a753a76 2375
390b85e7 2376 return (vfprintf(fp, format, marker));
0a753a76
PP
2377}
2378
68dc0745
PP
2379DllExport int
2380win32_printf(const char *format, ...)
0a753a76 2381{
68dc0745
PP
2382 va_list marker;
2383 va_start(marker, format); /* Initialize variable arguments. */
0a753a76 2384
390b85e7 2385 return (vprintf(format, marker));
0a753a76
PP
2386}
2387
68dc0745
PP
2388DllExport int
2389win32_vfprintf(FILE *fp, const char *format, va_list args)
0a753a76 2390{
390b85e7 2391 return (vfprintf(fp, format, args));
0a753a76
PP
2392}
2393
96e4d5b1
PP
2394DllExport int
2395win32_vprintf(const char *format, va_list args)
2396{
390b85e7 2397 return (vprintf(format, args));
96e4d5b1
PP
2398}
2399
68dc0745
PP
2400DllExport size_t
2401win32_fread(void *buf, size_t size, size_t count, FILE *fp)
0a753a76 2402{
390b85e7 2403 return fread(buf, size, count, fp);
0a753a76
PP
2404}
2405
68dc0745
PP
2406DllExport size_t
2407win32_fwrite(const void *buf, size_t size, size_t count, FILE *fp)
0a753a76 2408{
390b85e7 2409 return fwrite(buf, size, count, fp);
0a753a76
PP
2410}
2411
7fac1903
GS
2412#define MODE_SIZE 10
2413
68dc0745
PP
2414DllExport FILE *
2415win32_fopen(const char *filename, const char *mode)
0a753a76 2416{
acfe0abc 2417 dTHX;
82867ecf 2418 WCHAR wMode[MODE_SIZE], wBuffer[MAX_PATH+1];
1c5905c2 2419 FILE *f;
3fadfdf1 2420
c5be433b
GS
2421 if (!*filename)
2422 return NULL;
2423
68dc0745 2424 if (stricmp(filename, "/dev/null")==0)
7fac1903
GS
2425 filename = "NUL";
2426
2427 if (USING_WIDE()) {
0cb96387
GS
2428 A2WHELPER(mode, wMode, sizeof(wMode));
2429 A2WHELPER(filename, wBuffer, sizeof(wBuffer));
1c5905c2 2430 f = _wfopen(PerlDir_mapW(wBuffer), wMode);
7fac1903 2431 }
1c5905c2
GS
2432 else
2433 f = fopen(PerlDir_mapA(filename), mode);
2434 /* avoid buffering headaches for child processes */
2435 if (f && *mode == 'a')
2436 win32_fseek(f, 0, SEEK_END);
2437 return f;
0a753a76
PP
2438}
2439
f3986ebb
GS
2440#ifndef USE_SOCKETS_AS_HANDLES
2441#undef fdopen
2442#define fdopen my_fdopen
2443#endif
2444
68dc0745 2445DllExport FILE *
7fac1903 2446win32_fdopen(int handle, const char *mode)
0a753a76 2447{
acfe0abc 2448 dTHX;
51371543 2449 WCHAR wMode[MODE_SIZE];
1c5905c2 2450 FILE *f;
7fac1903 2451 if (USING_WIDE()) {
0cb96387 2452 A2WHELPER(mode, wMode, sizeof(wMode));
1c5905c2 2453 f = _wfdopen(handle, wMode);
7fac1903 2454 }
1c5905c2
GS
2455 else
2456 f = fdopen(handle, (char *) mode);
2457 /* avoid buffering headaches for child processes */
2458 if (f && *mode == 'a')
2459 win32_fseek(f, 0, SEEK_END);
2460 return f;
0a753a76
PP
2461}
2462
68dc0745 2463DllExport FILE *
7fac1903 2464win32_freopen(const char *path, const char *mode, FILE *stream)
0a753a76 2465{
acfe0abc 2466 dTHX;
82867ecf 2467 WCHAR wMode[MODE_SIZE], wBuffer[MAX_PATH+1];
68dc0745 2468 if (stricmp(path, "/dev/null")==0)
7fac1903
GS
2469 path = "NUL";
2470
2471 if (USING_WIDE()) {
0cb96387
GS
2472 A2WHELPER(mode, wMode, sizeof(wMode));
2473 A2WHELPER(path, wBuffer, sizeof(wBuffer));
7766f137 2474 return _wfreopen(PerlDir_mapW(wBuffer), wMode, stream);
7fac1903 2475 }
7766f137 2476 return freopen(PerlDir_mapA(path), mode, stream);
0a753a76
PP
2477}
2478
68dc0745
PP
2479DllExport int
2480win32_fclose(FILE *pf)
0a753a76 2481{
f3986ebb 2482 return my_fclose(pf); /* defined in win32sck.c */
0a753a76
PP
2483}
2484
68dc0745
PP
2485DllExport int
2486win32_fputs(const char *s,FILE *pf)
0a753a76 2487{
390b85e7 2488 return fputs(s, pf);
0a753a76
PP
2489}
2490
68dc0745
PP
2491DllExport int
2492win32_fputc(int c,FILE *pf)
0a753a76 2493{
390b85e7 2494 return fputc(c,pf);
0a753a76
PP
2495}
2496
68dc0745
PP
2497DllExport int
2498win32_ungetc(int c,FILE *pf)
0a753a76 2499{
390b85e7 2500 return ungetc(c,pf);
0a753a76
PP
2501}
2502
68dc0745
PP
2503DllExport int
2504win32_getc(FILE *pf)
0a753a76 2505{
390b85e7 2506 return getc(pf);
0a753a76
PP
2507}
2508
68dc0745
PP
2509DllExport int
2510win32_fileno(FILE *pf)
0a753a76 2511{
390b85e7 2512 return fileno(pf);
0a753a76
PP
2513}
2514
68dc0745
PP
2515DllExport void
2516win32_clearerr(FILE *pf)
0a753a76 2517{
390b85e7 2518 clearerr(pf);
68dc0745 2519 return;
0a753a76
PP
2520}
2521
68dc0745
PP
2522DllExport int
2523win32_fflush(FILE *pf)
0a753a76 2524{
390b85e7 2525 return fflush(pf);
0a753a76
PP
2526}
2527
c623ac67 2528DllExport Off_t
68dc0745 2529win32_ftell(FILE *pf)
0a753a76 2530{
c623ac67
GS
2531#if defined(WIN64) || defined(USE_LARGE_FILES)
2532 fpos_t pos;
2533 if (fgetpos(pf, &pos))
2534 return -1;
2535 return (Off_t)pos;
2536#else
390b85e7 2537 return ftell(pf);
c623ac67 2538#endif
0a753a76
PP
2539}
2540
68dc0745 2541DllExport int
c623ac67 2542win32_fseek(FILE *pf, Off_t offset,int origin)
0a753a76 2543{
c623ac67
GS
2544#if defined(WIN64) || defined(USE_LARGE_FILES)
2545 fpos_t pos;
2546 switch (origin) {
2547 case SEEK_CUR:
2548 if (fgetpos(pf, &pos))
2549 return -1;
2550 offset += pos;
2551 break;
2552 case SEEK_END:
2553 fseek(pf, 0, SEEK_END);
2554 pos = _telli64(fileno(pf));
2555 offset += pos;
2556 break;
2557 case SEEK_SET:
2558 break;
2559 default:
2560 errno = EINVAL;
2561 return -1;
2562 }
2563 return fsetpos(pf, &offset);
2564#else
390b85e7 2565 return fseek(pf, offset, origin);
c623ac67 2566#endif
0a753a76
PP
2567}
2568
68dc0745
PP
2569DllExport int
2570win32_fgetpos(FILE *pf,fpos_t *p)
0a753a76 2571{
390b85e7 2572 return fgetpos(pf, p);
0a753a76
PP
2573}
2574
68dc0745
PP
2575DllExport int
2576win32_fsetpos(FILE *pf,const fpos_t *p)
0a753a76 2577{
390b85e7 2578 return fsetpos(pf, p);
0a753a76
PP
2579}
2580
68dc0745
PP
2581DllExport void
2582win32_rewind(FILE *pf)
0a753a76 2583{
390b85e7 2584 rewind(pf);
68dc0745 2585 return;
0a753a76
PP
2586}
2587
68dc0745
PP
2588DllExport FILE*
2589win32_tmpfile(void)
0a753a76 2590{
b3122bc4
JH
2591 dTHX;
2592 char prefix[MAX_PATH+1];
2593 char filename[MAX_PATH+1];
2594 DWORD len = GetTempPath(MAX_PATH, prefix);
2595 if (len && len < MAX_PATH) {
2596 if (GetTempFileName(prefix, "plx", 0, filename)) {
2597 HANDLE fh = CreateFile(filename,
2598 DELETE | GENERIC_READ | GENERIC_WRITE,
2599 0,
2600 NULL,
2601 CREATE_ALWAYS,
2602 FILE_ATTRIBUTE_NORMAL
2603 | FILE_FLAG_DELETE_ON_CLOSE,
2604 NULL);
2605 if (fh != INVALID_HANDLE_VALUE) {
c623ac67 2606 int fd = win32_open_osfhandle((intptr_t)fh, 0);
b3122bc4 2607 if (fd >= 0) {
a051bdb4
VK
2608#if defined(__BORLANDC__)
2609 setmode(fd,O_BINARY);
2610#endif
b3122bc4
JH
2611 DEBUG_p(PerlIO_printf(Perl_debug_log,
2612 "Created tmpfile=%s\n",filename));
2613 return fdopen(fd, "w+b");
2614 }
2615 }
2616 }
2617 }
2618 return NULL;
0a753a76
PP
2619}
2620
68dc0745
PP
2621DllExport void
2622win32_abort(void)
0a753a76 2623{
390b85e7 2624 abort();
68dc0745 2625 return;
0a753a76
PP
2626}
2627
68dc0745 2628DllExport int
c623ac67 2629win32_fstat(int fd, Stat_t *sbufptr)
0a753a76 2630{
2a07f407
VK
2631#ifdef __BORLANDC__
2632 /* A file designated by filehandle is not shown as accessible
2633 * for write operations, probably because it is opened for reading.
2634 * --Vadim Konovalov
3fadfdf1 2635 */
2a07f407
VK
2636 int rc = fstat(fd,sbufptr);
2637 BY_HANDLE_FILE_INFORMATION bhfi;
2638 if (GetFileInformationByHandle((HANDLE)_get_osfhandle(fd), &bhfi)) {
2639 sbufptr->st_mode &= 0xFE00;
2640 if (bhfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY)
2641 sbufptr->st_mode |= (S_IREAD + (S_IREAD >> 3) + (S_IREAD >> 6));
2642 else
2643 sbufptr->st_mode |= ((S_IREAD|S_IWRITE) + ((S_IREAD|S_IWRITE) >> 3)
2644 + ((S_IREAD|S_IWRITE) >> 6));
2645 }
2646 return rc;
2647#else
ed59ec62 2648 return my_fstat(fd,sbufptr);
2a07f407 2649#endif
0a753a76
PP
2650}
2651
68dc0745
PP
2652DllExport int
2653win32_pipe(int *pfd, unsigned int size, int mode)
0a753a76 2654{
390b85e7 2655 return _pipe(pfd, size, mode);
0a753a76
PP
2656}
2657
8c0134a8
NIS
2658DllExport PerlIO*
2659win32_popenlist(const char *mode, IV narg, SV **args)
2660{
2661 dTHX;
2662 Perl_croak(aTHX_ "List form of pipe open not implemented");
2663 return NULL;
2664}
2665
50892819
GS
2666/*
2667 * a popen() clone that respects PERL5SHELL
00b02797
JH
2668 *
2669 * changed to return PerlIO* rather than FILE * by BKS, 11-11-2000
50892819
GS
2670 */
2671
00b02797 2672DllExport PerlIO*
68dc0745 2673win32_popen(const char *command, const char *mode)
0a753a76 2674{
4b556e6c 2675#ifdef USE_RTL_POPEN
390b85e7 2676 return _popen(command, mode);
50892819 2677#else
2cbbe5a1 2678 dTHX;
50892819
GS
2679 int p[2];
2680 int parent, child;
2681 int stdfd, oldfd;
2682 int ourmode;
2683 int childpid;
2684
2685 /* establish which ends read and write */
2686 if (strchr(mode,'w')) {
2687 stdfd = 0; /* stdin */
2688 parent = 1;
2689 child = 0;
2690 }
2691 else if (strchr(mode,'r')) {
2692 stdfd = 1; /* stdout */
2693 parent = 0;
2694 child = 1;
2695 }
2696 else
2697 return NULL;
2698
2699 /* set the correct mode */
2700 if (strchr(mode,'b'))
2701 ourmode = O_BINARY;
2702 else if (strchr(mode,'t'))
2703 ourmode = O_TEXT;
2704 else
2705 ourmode = _fmode & (O_TEXT | O_BINARY);
2706
2707 /* the child doesn't inherit handles */
2708 ourmode |= O_NOINHERIT;
2709
2710 if (win32_pipe( p, 512, ourmode) == -1)
2711 return NULL;
2712
2713 /* save current stdfd */
2714 if ((oldfd = win32_dup(stdfd)) == -1)
2715 goto cleanup;
2716
2717 /* make stdfd go to child end of pipe (implicitly closes stdfd) */
2718 /* stdfd will be inherited by the child */
2719 if (win32_dup2(p[child], stdfd) == -1)
2720 goto cleanup;
2721
2722 /* close the child end in parent */
2723 win32_close(p[child]);
2724
2725 /* start the child */
4f63d024 2726 {
acfe0abc 2727 dTHX;
c5be433b 2728 if ((childpid = do_spawn_nowait((char*)command)) == -1)
4f63d024 2729 goto cleanup;
50892819 2730
4f63d024
GS
2731 /* revert stdfd to whatever it was before */
2732 if (win32_dup2(oldfd, stdfd) == -1)
2733 goto cleanup;
50892819 2734
4f63d024
GS
2735 /* close saved handle */
2736 win32_close(oldfd);
50892819 2737
4755096e 2738 LOCK_FDPID_MUTEX;
4f63d024 2739 sv_setiv(*av_fetch(w32_fdpid, p[parent], TRUE), childpid);
4755096e 2740 UNLOCK_FDPID_MUTEX;
d91d68c1
R
2741
2742 /* set process id so that it can be returned by perl's open() */
2743 PL_forkprocess = childpid;
4f63d024 2744 }
50892819
GS
2745
2746 /* we have an fd, return a file stream */
00b02797 2747 return (PerlIO_fdopen(p[parent], (char *)mode));
50892819
GS
2748
2749cleanup:
2750 /* we don't need to check for errors here */
2751 win32_close(p[0]);
2752 win32_close(p[1]);
2753 if (oldfd != -1) {
2754 win32_dup2(oldfd, stdfd);
2755 win32_close(oldfd);
2756 }
2757 return (NULL);
2758
4b556e6c 2759#endif /* USE_RTL_POPEN */
0a753a76
PP
2760}
2761
50892819
GS
2762/*
2763 * pclose() clone
2764 */
2765
68dc0745 2766DllExport int
00b02797 2767win32_pclose(PerlIO *pf)
0a753a76 2768{
4b556e6c 2769#ifdef USE_RTL_POPEN
390b85e7 2770 return _pclose(pf);
50892819 2771#else
acfe0abc 2772 dTHX;
e17cb2a9
JD
2773 int childpid, status;
2774 SV *sv;
2775
4755096e 2776 LOCK_FDPID_MUTEX;
00b02797 2777 sv = *av_fetch(w32_fdpid, PerlIO_fileno(pf), TRUE);
4755096e 2778
e17cb2a9
JD
2779 if (SvIOK(sv))
2780 childpid = SvIVX(sv);
2781 else
2782 childpid = 0;
50892819
GS
2783
2784 if (!childpid) {
2785 errno = EBADF;
2786 return -1;
2787 }
2788
00b02797
JH
2789#ifdef USE_PERLIO
2790 PerlIO_close(pf);
2791#else
2792 fclose(pf);
2793#endif
e17cb2a9 2794 SvIVX(sv) = 0;
4755096e 2795 UNLOCK_FDPID_MUTEX;
e17cb2a9 2796
0aaad0ff
GS
2797 if (win32_waitpid(childpid, &status, 0) == -1)
2798 return -1;
50892819 2799
0aaad0ff 2800 return status;
50892819 2801
4b556e6c 2802#endif /* USE_RTL_POPEN */
0a753a76 2803}
6b980173
JD
2804
2805static BOOL WINAPI
2806Nt4CreateHardLinkW(
2807 LPCWSTR lpFileName,
2808 LPCWSTR lpExistingFileName,
2809 LPSECURITY_ATTRIBUTES lpSecurityAttributes)
2810{
2811 HANDLE handle;
2812 WCHAR wFullName[MAX_PATH+1];
2813 LPVOID lpContext = NULL;
2814 WIN32_STREAM_ID StreamId;
2815 DWORD dwSize = (char*)&StreamId.cStreamName - (char*)&StreamId;
2816 DWORD dwWritten;
2817 DWORD dwLen;
2818 BOOL bSuccess;
2819
2820 BOOL (__stdcall *pfnBackupWrite)(HANDLE, LPBYTE, DWORD, LPDWORD,
2821 BOOL, BOOL, LPVOID*) =
2822 (BOOL (__stdcall *)(HANDLE, LPBYTE, DWORD, LPDWORD,
2823 BOOL, BOOL, LPVOID*))
2824 GetProcAddress(GetModuleHandle("kernel32.dll"), "BackupWrite");
2825 if (pfnBackupWrite == NULL)
2826 return 0;
2827
2828 dwLen = GetFullPathNameW(lpFileName, MAX_PATH, wFullName, NULL);
2829 if (dwLen == 0)
2830 return 0;
2831 dwLen = (dwLen+1)*sizeof(WCHAR);
2832
2833 handle = CreateFileW(lpExistingFileName, FILE_WRITE_ATTRIBUTES,
2834 FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
2835 NULL, OPEN_EXISTING, 0, NULL);
2836 if (handle == INVALID_HANDLE_VALUE)
2837 return 0;
2838
2839 StreamId.dwStreamId = BACKUP_LINK;
2840 StreamId.dwStreamAttributes = 0;
2841 StreamId.dwStreamNameSize = 0;
6f24f39d
JK
2842#if defined(__BORLANDC__) \
2843 ||(defined(__MINGW32__) && !defined(_ANONYMOUS_UNION))
4ce4f76e
GS
2844 StreamId.Size.u.HighPart = 0;
2845 StreamId.Size.u.LowPart = dwLen;
2846#else
6b980173
JD
2847 StreamId.Size.HighPart = 0;
2848 StreamId.Size.LowPart = dwLen;
4ce4f76e 2849#endif
6b980173
JD
2850
2851 bSuccess = pfnBackupWrite(handle, (LPBYTE)&StreamId, dwSize, &dwWritten,
2852 FALSE, FALSE, &lpContext);
2853 if (bSuccess) {
2854 bSuccess = pfnBackupWrite(handle, (LPBYTE)wFullName, dwLen, &dwWritten,
2855 FALSE, FALSE, &lpContext);
2856 pfnBackupWrite(handle, NULL, 0, &dwWritten, TRUE, FALSE, &lpContext);
2857 }
2858
2859 CloseHandle(handle);
2860 return bSuccess;
2861}
2862
2863DllExport int
2864win32_link(const char *oldname, const char *newname)
2865{
acfe0abc 2866 dTHX;
6b980173 2867 BOOL (__stdcall *pfnCreateHardLinkW)(LPCWSTR,LPCWSTR,LPSECURITY_ATTRIBUTES);
82867ecf
GS
2868 WCHAR wOldName[MAX_PATH+1];
2869 WCHAR wNewName[MAX_PATH+1];
6b980173
JD
2870
2871 if (IsWin95())
1be9d9c6 2872 Perl_croak(aTHX_ PL_no_func, "link");
6b980173
JD
2873
2874 pfnCreateHardLinkW =
2875 (BOOL (__stdcall *)(LPCWSTR, LPCWSTR, LPSECURITY_ATTRIBUTES))
2876 GetProcAddress(GetModuleHandle("kernel32.dll"), "CreateHardLinkW");
2877 if (pfnCreateHardLinkW == NULL)
2878 pfnCreateHardLinkW = Nt4CreateHardLinkW;
2879
2880 if ((A2WHELPER(oldname, wOldName, sizeof(wOldName))) &&
2881 (A2WHELPER(newname, wNewName, sizeof(wNewName))) &&
7766f137
GS
2882 (wcscpy(wOldName, PerlDir_mapW(wOldName)),
2883 pfnCreateHardLinkW(PerlDir_mapW(wNewName), wOldName, NULL)))
6b980173
JD
2884 {
2885 return 0;
2886 }
2887 errno = (GetLastError() == ERROR_FILE_NOT_FOUND) ? ENOENT : EINVAL;
2888 return -1;
2889}
0a753a76 2890
68dc0745 2891DllExport int
8d9b2e3c 2892win32_rename(const char *oname, const char *newname)
e24c7c18 2893{
65cb15a1
GS
2894 WCHAR wOldName[MAX_PATH+1];
2895 WCHAR wNewName[MAX_PATH+1];
2896 char szOldName[MAX_PATH+1];
2897 char szNewName[MAX_PATH+1];
7fac1903 2898 BOOL bResult;
acfe0abc 2899 dTHX;
65cb15a1 2900
80252599
GS
2901 /* XXX despite what the documentation says about MoveFileEx(),
2902 * it doesn't work under Windows95!
2903 */
2904 if (IsWinNT()) {
65cb15a1 2905 DWORD dwFlags = MOVEFILE_COPY_ALLOWED;
7fac1903 2906 if (USING_WIDE()) {
0cb96387
GS
2907 A2WHELPER(oname, wOldName, sizeof(wOldName));
2908 A2WHELPER(newname, wNewName, sizeof(wNewName));
65cb15a1
GS
2909 if (wcsicmp(wNewName, wOldName))
2910 dwFlags |= MOVEFILE_REPLACE_EXISTING;
7766f137 2911 wcscpy(wOldName, PerlDir_mapW(wOldName));
65cb15a1 2912 bResult = MoveFileExW(wOldName,PerlDir_mapW(wNewName), dwFlags);
7fac1903
GS
2913 }
2914 else {
65cb15a1
GS
2915 if (stricmp(newname, oname))
2916 dwFlags |= MOVEFILE_REPLACE_EXISTING;
2917 strcpy(szOldName, PerlDir_mapA(oname));
2918 bResult = MoveFileExA(szOldName,PerlDir_mapA(newname), dwFlags);
7fac1903
GS
2919 }
2920 if (!bResult) {
80252599
GS
2921 DWORD err = GetLastError();
2922 switch (err) {
2923 case ERROR_BAD_NET_NAME:
2924 case ERROR_BAD_NETPATH:
2925 case ERROR_BAD_PATHNAME:
2926 case ERROR_FILE_NOT_FOUND:
2927 case ERROR_FILENAME_EXCED_RANGE:
2928 case ERROR_INVALID_DRIVE:
2929 case ERROR_NO_MORE_FILES:
2930 case ERROR_PATH_NOT_FOUND:
2931 errno = ENOENT;
2932 break;
2933 default:
2934 errno = EACCES;
2935 break;
2936 }
2937 return -1;
2938 }
2939 return 0;
e24c7c18 2940 }
80252599
GS
2941 else {
2942 int retval = 0;
65cb15a1 2943 char szTmpName[MAX_PATH+1];
80252599
GS
2944 char dname[MAX_PATH+1];
2945 char *endname = Nullch;
2946 STRLEN tmplen = 0;
2947 DWORD from_attr, to_attr;
2948
65cb15a1
GS
2949 strcpy(szOldName, PerlDir_mapA(oname));
2950 strcpy(szNewName, PerlDir_mapA(newname));
2951
80252599 2952 /* if oname doesn't exist, do nothing */
65cb15a1 2953 from_attr = GetFileAttributes(szOldName);
80252599
GS
2954 if (from_attr == 0xFFFFFFFF) {
2955 errno = ENOENT;
2956 return -1;
2957 }
2958
2959 /* if newname exists, rename it to a temporary name so that we
2960 * don't delete it in case oname happens to be the same file
2961 * (but perhaps accessed via a different path)
2962 */
65cb15a1 2963 to_attr = GetFileAttributes(szNewName);
80252599
GS
2964 if (to_attr != 0xFFFFFFFF) {
2965 /* if newname is a directory, we fail
2966 * XXX could overcome this with yet more convoluted logic */
2967 if (to_attr & FILE_ATTRIBUTE_DIRECTORY) {
2968 errno = EACCES;
2969 return -1;
2970 }
65cb15a1
GS
2971 tmplen = strlen(szNewName);
2972 strcpy(szTmpName,szNewName);
2973 endname = szTmpName+tmplen;
2974 for (; endname > szTmpName ; --endname) {
80252599
GS
2975 if (*endname == '/' || *endname == '\\') {
2976 *endname = '\0';
2977 break;
2978 }
2979 }
65cb15a1
GS
2980 if (endname > szTmpName)
2981 endname = strcpy(dname,szTmpName);
e24c7c18 2982 else
80252599
GS
2983 endname = ".";
2984
2985 /* get a temporary filename in same directory
2986 * XXX is this really the best we can do? */
65cb15a1 2987 if (!GetTempFileName((LPCTSTR)endname, "plr", 0, szTmpName)) {
80252599
GS
2988 errno = ENOENT;
2989 return -1;
2990 }
65cb15a1 2991 DeleteFile(szTmpName);
80252599 2992
65cb15a1 2993 retval = rename(szNewName, szTmpName);
80252599
GS
2994 if (retval != 0) {
2995 errno = EACCES;
2996 return retval;
e24c7c18
GS
2997 }
2998 }
80252599
GS
2999
3000 /* rename oname to newname */
65cb15a1 3001 retval = rename(szOldName, szNewName);
80252599
GS
3002
3003 /* if we created a temporary file before ... */
3004 if (endname != Nullch) {
3005 /* ...and rename succeeded, delete temporary file/directory */
3006 if (retval == 0)
65cb15a1 3007 DeleteFile(szTmpName);
80252599
GS
3008 /* else restore it to what it was */
3009 else
65cb15a1 3010 (void)rename(szTmpName, szNewName);
80252599
GS
3011 }
3012 return retval;
e24c7c18 3013 }
e24c7c18
GS
3014}
3015
3016DllExport int
68dc0745 3017win32_setmode(int fd, int mode)
0a753a76 3018{
390b85e7 3019 return setmode(fd, mode);
0a753a76
PP
3020}
3021
c623ac67
GS
3022DllExport Off_t
3023win32_lseek(int fd, Off_t offset, int origin)
96e4d5b1 3024{
c623ac67
GS
3025#if defined(WIN64) || defined(USE_LARGE_FILES)
3026 return _lseeki64(fd, offset, origin);
3027#else
390b85e7 3028 return lseek(fd, offset, origin);
c623ac67 3029#endif
96e4d5b1
PP
3030}
3031
c623ac67 3032DllExport Off_t
96e4d5b1
PP
3033win32_tell(int fd)
3034{
c623ac67
GS
3035#if defined(WIN64) || defined(USE_LARGE_FILES)
3036 return _telli64(fd);
3037#else
390b85e7 3038 return tell(fd);
c623ac67 3039#endif
96e4d5b1
PP
3040}
3041
68dc0745
PP
3042DllExport int
3043win32_open(const char *path, int flag, ...)
0a753a76 3044{
acfe0abc 3045 dTHX;
68dc0745
PP
3046 va_list ap;
3047 int pmode;
82867ecf 3048 WCHAR wBuffer[MAX_PATH+1];
0a753a76
PP
3049
3050 va_start(ap, flag);
3051 pmode = va_arg(ap, int);
3052 va_end(ap);
3053
68dc0745 3054 if (stricmp(path, "/dev/null")==0)
7fac1903
GS
3055 path = "NUL";
3056
3057 if (USING_WIDE()) {
0cb96387 3058 A2WHELPER(path, wBuffer, sizeof(wBuffer));
7766f137 3059 return _wopen(PerlDir_mapW(wBuffer), flag, pmode);
7fac1903 3060 }
7766f137 3061 return open(PerlDir_mapA(path), flag, pmode);
0a753a76
PP
3062}
3063
00b02797
JH
3064/* close() that understands socket */
3065extern int my_close(int); /* in win32sck.c */
3066
68dc0745
PP
3067DllExport int
3068win32_close(int fd)
0a753a76 3069{
00b02797 3070 return my_close(fd);
0a753a76
PP
3071}
3072
68dc0745 3073DllExport int
96e4d5b1
PP
3074win32_eof(int fd)
3075{
390b85e7 3076 return eof(fd);
96e4d5b1
PP
3077}
3078
3079DllExport int
68dc0745 3080win32_dup(int fd)
0a753a76 3081{
390b85e7 3082 return dup(fd);
0a753a76
PP
3083}
3084
68dc0745
PP
3085DllExport int
3086win32_dup2(int fd1,int fd2)
0a753a76 3087{
390b85e7 3088 return dup2(fd1,fd2);
0a753a76
PP
3089}
3090
f7aeb604
GS
3091#ifdef PERL_MSVCRT_READFIX
3092
3093#define LF 10 /* line feed */
3094#define CR 13 /* carriage return */
3095#define CTRLZ 26 /* ctrl-z means eof for text */
3096#define FOPEN 0x01 /* file handle open */
3097#define FEOFLAG 0x02 /* end of file has been encountered */
3098#define FCRLF 0x04 /* CR-LF across read buffer (in text mode) */
3099#define FPIPE 0x08 /* file handle refers to a pipe */
3100#define FAPPEND 0x20 /* file handle opened O_APPEND */
3101#define FDEV 0x40 /* file handle refers to device */
3102#define FTEXT 0x80 /* file handle is in text mode */
3103#define MAX_DESCRIPTOR_COUNT (64*32) /* this is the maximun that MSVCRT can handle */
3104
b181b6fb
GS
3105int __cdecl
3106_fixed_read(int fh, void *buf, unsigned cnt)
f7aeb604
GS
3107{
3108 int bytes_read; /* number of bytes read */
3109 char *buffer; /* buffer to read to */
3110 int os_read; /* bytes read on OS call */
3111 char *p, *q; /* pointers into buffer */
3112 char peekchr; /* peek-ahead character */
3113 ULONG filepos; /* file position after seek */
3114 ULONG dosretval; /* o.s. return value */
3115
3116 /* validate handle */
3117 if (((unsigned)fh >= (unsigned)MAX_DESCRIPTOR_COUNT) ||
3118 !(_osfile(fh) & FOPEN))
3119 {
3120 /* out of range -- return error */
3121 errno = EBADF;
3122 _doserrno = 0; /* not o.s. error */
3123 return -1;
3124 }
3125
635bbe87
GS
3126 /*
3127 * If lockinitflag is FALSE, assume fd is device
3128 * lockinitflag is set to TRUE by open.
3129 */
3130 if (_pioinfo(fh)->lockinitflag)
3131 EnterCriticalSection(&(_pioinfo(fh)->lock)); /* lock file */
f7aeb604
GS
3132
3133 bytes_read = 0; /* nothing read yet */
3134 buffer = (char*)buf;
3135
3136 if (cnt == 0 || (_osfile(fh) & FEOFLAG)) {
3137 /* nothing to read or at EOF, so return 0 read */
3138 goto functionexit;
3139 }
3140
3141 if ((_osfile(fh) & (FPIPE|FDEV)) && _pipech(fh) != LF) {
3142 /* a pipe/device and pipe lookahead non-empty: read the lookahead
3143 * char */
3144 *buffer++ = _pipech(fh);
3145 ++bytes_read;
3146 --cnt;
3147 _pipech(fh) = LF; /* mark as empty */
3148 }
3149
3150 /* read the data */
3151
3152 if (!ReadFile((HANDLE)_osfhnd(fh), buffer, cnt, (LPDWORD)&os_read, NULL))
3153 {
3154 /* ReadFile has reported an error. recognize two special cases.
3155 *
3156 * 1. map ERROR_ACCESS_DENIED to EBADF
3157 *
3158 * 2. just return 0 if ERROR_BROKEN_PIPE has occurred. it
3159 * means the handle is a read-handle on a pipe for which
3160 * all write-handles have been closed and all data has been
3161 * read. */
3162
3163 if ((dosretval = GetLastError()) == ERROR_ACCESS_DENIED) {
3164 /* wrong read/write mode should return EBADF, not EACCES */
3165 errno = EBADF;
3166 _doserrno = dosretval;
3167 bytes_read = -1;
3168 goto functionexit;
3169 }
3170 else if (dosretval == ERROR_BROKEN_PIPE) {
3171 bytes_read = 0;
3172 goto functionexit;
3173 }
3174 else {
3175 bytes_read = -1;
3176 goto functionexit;
3177 }
3178 }
3179
3180 bytes_read += os_read; /* update bytes read */
3181
3182 if (_osfile(fh) & FTEXT) {
3183 /* now must translate CR-LFs to LFs in the buffer */
3184
3185 /* set CRLF flag to indicate LF at beginning of buffer */
3186 /* if ((os_read != 0) && (*(char *)buf == LF)) */
3187 /* _osfile(fh) |= FCRLF; */
3188 /* else */
3189 /* _osfile(fh) &= ~FCRLF; */
3190
3191 _osfile(fh) &= ~FCRLF;
3192
3193 /* convert chars in the buffer: p is src, q is dest */
3194 p = q = (char*)buf;
3195 while (p < (char *)buf + bytes_read) {
3196 if (*p == CTRLZ) {
3197 /* if fh is not a device, set ctrl-z flag */
3198 if (!(_osfile(fh) & FDEV))
3199 _osfile(fh) |= FEOFLAG;
3200 break; /* stop translating */
3201 }
3202 else if (*p != CR)
3203 *q++ = *p++;
3204 else {
3205 /* *p is CR, so must check next char for LF */
3206 if (p < (char *)buf + bytes_read - 1) {
3207 if (*(p+1) == LF) {
3208 p += 2;
3209 *q++ = LF; /* convert CR-LF to LF */
3210 }
3211 else
3212 *q++ = *p++; /* store char normally */
3213 }
3214 else {
3215 /* This is the hard part. We found a CR at end of
3216 buffer. We must peek ahead to see if next char
3217 is an LF. */
3218 ++p;
3219
3220 dosretval = 0;
3221 if (!ReadFile((HANDLE)_osfhnd(fh), &peekchr, 1,
3222 (LPDWORD)&os_read, NULL))
3223 dosretval = GetLastError();
3224
3225 if (dosretval != 0 || os_read == 0) {
3226 /* couldn't read ahead, store CR */
3227 *q++ = CR;
3228 }
3229 else {
3230 /* peekchr now has the extra character -- we now
3231 have several possibilities:
3232 1. disk file and char is not LF; just seek back
3233 and copy CR
3234 2. disk file and char is LF; store LF, don't seek back
3235 3. pipe/device and char is LF; store LF.
3236 4. pipe/device and char isn't LF, store CR and
3237 put char in pipe lookahead buffer. */
3238 if (_osfile(fh) & (FDEV|FPIPE)) {
3239 /* non-seekable device */
3240 if (peekchr == LF)
3241 *q++ = LF;
3242 else {
3243 *q++ = CR;
3244 _pipech(fh) = peekchr;
3245 }
3246 }
3247 else {
3248 /* disk file */
3249 if (peekchr == LF) {
3250 /* nothing read yet; must make some
3251 progress */
3252 *q++ = LF;
3253 /* turn on this flag for tell routine */
3254 _osfile(fh) |= FCRLF;
3255 }
3256 else {
3257 HANDLE osHandle; /* o.s. handle value */
3258 /* seek back */
3259 if ((osHandle = (HANDLE)_get_osfhandle(fh)) != (HANDLE)-1)
3260 {
3261 if ((filepos = SetFilePointer(osHandle, -1, NULL, FILE_CURRENT)) == -1)
3262 dosretval = GetLastError();
3263 }
3264 if (peekchr != LF)
3265 *q++ = CR;
3266 }
3267 }
3268 }
3269 }
3270 }
3271 }
3272
3273 /* we now change bytes_read to reflect the true number of chars
3274 in the buffer */
3275 bytes_read = q - (char *)buf;
3276 }
3277
3fadfdf1 3278functionexit:
635bbe87
GS
3279 if (_pioinfo(fh)->lockinitflag)
3280 LeaveCriticalSection(&(_pioinfo(fh)->lock)); /* unlock file */
f7aeb604
GS
3281
3282 return bytes_read;
3283}
3284
3285#endif /* PERL_MSVCRT_READFIX */
3286
68dc0745 3287DllExport int
3e3baf6d 3288win32_read(int fd, void *buf, unsigned int cnt)
0a753a76 3289{
f7aeb604
GS
3290#ifdef PERL_MSVCRT_READFIX
3291 return _fixed_read(fd, buf, cnt);
3292#else
390b85e7 3293 return read(fd, buf, cnt);
f7aeb604 3294#endif
0a753a76
PP
3295}
3296
68dc0745 3297DllExport int
3e3baf6d 3298win32_write(int fd, const void *buf, unsigned int cnt)
0a753a76 3299{
390b85e7 3300 return write(fd, buf, cnt);
0a753a76
PP
3301}
3302
68dc0745 3303DllExport int
5aabfad6
PP
3304win32_mkdir(const char *dir, int mode)
3305{
acfe0abc 3306 dTHX;
7766f137 3307 if (USING_WIDE()) {
82867ecf 3308 WCHAR wBuffer[MAX_PATH+1];
7766f137
GS
3309 A2WHELPER(dir, wBuffer, sizeof(wBuffer));
3310 return _wmkdir(PerlDir_mapW(wBuffer));
3311 }
3312 return mkdir(PerlDir_mapA(dir)); /* just ignore mode */
5aabfad6 3313}
96e4d5b1 3314
5aabfad6
PP
3315DllExport int
3316win32_rmdir(const char *dir)
3317{
acfe0abc 3318 dTHX;
7766f137 3319 if (USING_WIDE()) {
82867ecf 3320 WCHAR wBuffer[MAX_PATH+1];
7766f137
GS
3321 A2WHELPER(dir, wBuffer, sizeof(wBuffer));
3322 return _wrmdir(PerlDir_mapW(wBuffer));
3323 }
3324 return rmdir(PerlDir_mapA(dir));
5aabfad6 3325}
96e4d5b1 3326
5aabfad6
PP
3327DllExport int
3328win32_chdir(const char *dir)
3329{
4ae93879 3330 dTHX;
9ec3348a
JH
3331 if (!dir) {
3332 errno = ENOENT;
3333 return -1;
3334 }
7766f137 3335 if (USING_WIDE()) {
82867ecf 3336 WCHAR wBuffer[MAX_PATH+1];
7766f137
GS
3337 A2WHELPER(dir, wBuffer, sizeof(wBuffer));
3338 return _wchdir(wBuffer);
3339 }
390b85e7 3340 return chdir(dir);
5aabfad6 3341}
96e4d5b1 3342
7766f137
GS
3343DllExport int
3344win32_access(const char *path, int mode)
3345{
acfe0abc 3346 dTHX;
7766f137 3347 if (USING_WIDE()) {
82867ecf 3348 WCHAR wBuffer[MAX_PATH+1];
7766f137
GS
3349 A2WHELPER(path, wBuffer, sizeof(wBuffer));
3350 return _waccess(PerlDir_mapW(wBuffer), mode);
3351 }
3352 return access(PerlDir_mapA(path), mode);
3353}
3354
3355DllExport int
3356win32_chmod(const char *path, int mode)
3357{
acfe0abc 3358 dTHX;
7766f137 3359 if (USING_WIDE()) {
82867ecf 3360 WCHAR wBuffer[MAX_PATH+1];
7766f137
GS
3361 A2WHELPER(path, wBuffer, sizeof(wBuffer));
3362 return _wchmod(PerlDir_mapW(wBuffer), mode);
3363 }
3364 return chmod(PerlDir_mapA(path), mode);
3365}
3366
3367
0aaad0ff 3368static char *
dd7038b3 3369create_command_line(char *cname, STRLEN clen, const char * const *args)
0aaad0ff 3370{
acfe0abc 3371 dTHX;
b309b8ae
JH
3372 int index, argc;
3373 char *cmd, *ptr;
3374 const char *arg;
3375 STRLEN len = 0;
81bc1258 3376 bool bat_file = FALSE;
b309b8ae 3377 bool cmd_shell = FALSE;
7b11e424 3378 bool dumb_shell = FALSE;
b309b8ae 3379 bool extra_quotes = FALSE;
dd7038b3 3380 bool quote_next = FALSE;
81bc1258
JH
3381
3382 if (!cname)
3383 cname = (char*)args[0];
b309b8ae
JH
3384
3385 /* The NT cmd.exe shell has the following peculiarity that needs to be
3386 * worked around. It strips a leading and trailing dquote when any
3387 * of the following is true:
3388 * 1. the /S switch was used
3389 * 2. there are more than two dquotes
3390 * 3. there is a special character from this set: &<>()@^|
3391 * 4. no whitespace characters within the two dquotes
3392 * 5. string between two dquotes isn't an executable file
3393 * To work around this, we always add a leading and trailing dquote
3394 * to the string, if the first argument is either "cmd.exe" or "cmd",
3395 * and there were at least two or more arguments passed to cmd.exe
3396 * (not including switches).
dd7038b3
JH
3397 * XXX the above rules (from "cmd /?") don't seem to be applied
3398 * always, making for the convolutions below :-(
b309b8ae 3399 */
81bc1258 3400 if (cname) {
dd7038b3
JH
3401 if (!clen)
3402 clen = strlen(cname);
3403
81bc1258
JH
3404 if (clen > 4
3405 && (stricmp(&cname[clen-4], ".bat") == 0
3406 || (IsWinNT() && stricmp(&cname[clen-4], ".cmd") == 0)))
3407 {
3408 bat_file = TRUE;
3409 len += 3;
3410 }
dd7038b3
JH
3411 else {
3412 char *exe = strrchr(cname, '/');
3413 char *exe2 = strrchr(cname, '\\');
3414 if (exe2 > exe)
3415 exe = exe2;
3416 if (exe)
3417 ++exe;
3418 else
3419 exe = cname;
3420 if (stricmp(exe, "cmd.exe") == 0 || stricmp(exe, "cmd") == 0) {
3421 cmd_shell = TRUE;
3422 len += 3;
3423 }
7b11e424
JH
3424 else if (stricmp(exe, "command.com") == 0
3425 || stricmp(exe, "command") == 0)
3426 {
3427 dumb_shell = TRUE;
3428 }
81bc1258 3429 }
b309b8ae 3430 }
0aaad0ff 3431
b309b8ae
JH
3432 DEBUG_p(PerlIO_printf(Perl_debug_log, "Args "));
3433 for (index = 0; (arg = (char*)args[index]) != NULL; ++index) {
3434 STRLEN curlen = strlen(arg);
3435 if (!(arg[0] == '"' && arg[curlen-1] == '"'))
3436 len += 2; /* assume quoting needed (worst case) */
3437 len += curlen + 1;
3438 DEBUG_p(PerlIO_printf(Perl_debug_log, "[%s]",arg));
3439 }
3440 DEBUG_p(PerlIO_printf(Perl_debug_log, "\n"));
0aaad0ff 3441
b309b8ae 3442 argc = index;
0aaad0ff
GS
3443 New(1310, cmd, len, char);
3444 ptr = cmd;
0aaad0ff 3445
81bc1258
JH
3446 if (bat_file) {
3447 *ptr++ = '"';
3448 extra_quotes = TRUE;
3449 }
3450
0aaad0ff 3451 for (index = 0; (arg = (char*)args[index]) != NULL; ++index) {
b309b8ae
JH
3452 bool do_quote = 0;
3453 STRLEN curlen = strlen(arg);
3454
81bc1258
JH
3455 /* we want to protect empty arguments and ones with spaces with
3456 * dquotes, but only if they aren't already there */
7b11e424
JH
3457 if (!dumb_shell) {
3458 if (!curlen) {
3459 do_quote = 1;
3460 }
02ef22d5
JH
3461 else if (quote_next) {
3462 /* see if it really is multiple arguments pretending to
3463 * be one and force a set of quotes around it */
3464 if (*find_next_space(arg))
3465 do_quote = 1;
3466 }
7b11e424
JH
3467 else if (!(arg[0] == '"' && curlen > 1 && arg[curlen-1] == '"')) {
3468 STRLEN i = 0;
3469 while (i < curlen) {
3470 if (isSPACE(arg[i])) {
3471 do_quote = 1;
02ef22d5
JH
3472 }
3473 else if (arg[i] == '"') {
3474 do_quote = 0;
7b11e424
JH
3475 break;
3476 }
3477 i++;
b309b8ae 3478 }
b309b8ae 3479 }
dd7038b3 3480 }
b309b8ae
JH
3481
3482 if (do_quote)
3483 *ptr++ = '"';
3484
18a945d4 3485 strcpy(ptr, arg);
b309b8ae
JH
3486 ptr += curlen;
3487
3488 if (do_quote)
3489 *ptr++ = '"';
3490
3491 if (args[index+1])
3492 *ptr++ = ' ';
3493
81bc1258
JH
3494 if (!extra_quotes
3495 && cmd_shell
dd7038b3 3496 && (stricmp(arg, "/x/c") == 0 || stricmp(arg, "/c") == 0))
b309b8ae 3497 {
dd7038b3
JH
3498 /* is there a next argument? */
3499 if (args[index+1]) {
3500 /* are there two or more next arguments? */
3501 if (args[index+2]) {
3502 *ptr++ = '"';
3503 extra_quotes = TRUE;
3504 }
3505 else {
02ef22d5 3506 /* single argument, force quoting if it has spaces */
dd7038b3
JH
3507 quote_next = TRUE;
3508 }
3509 }
b309b8ae 3510 }
0aaad0ff
GS
3511 }
3512
b309b8ae
JH
3513 if (extra_quotes)
3514 *ptr++ = '"';
3515
3516 *ptr = '\0';
3517
0aaad0ff
GS
3518 return cmd;
3519}
3520
3521static char *
3522qualified_path(const char *cmd)
3523{
acfe0abc 3524 dTHX;
0aaad0ff
GS
3525 char *pathstr;
3526 char *fullcmd, *curfullcmd;
3527 STRLEN cmdlen = 0;
3528 int has_slash = 0;
3529
3530 if (!cmd)
3531 return Nullch;
3532 fullcmd = (char*)cmd;
3533 while (*fullcmd) {
3534 if (*fullcmd == '/' || *fullcmd == '\\')
3535 has_slash++;
3536 fullcmd++;
3537 cmdlen++;
3538 }
3539
3540 /* look in PATH */
2fb9ab56 3541 pathstr = PerlEnv_getenv("PATH");
0aaad0ff
GS
3542 New(0, fullcmd, MAX_PATH+1, char);
3543 curfullcmd = fullcmd;
3544
3545 while (1) {
3546 DWORD res;
3547
3548 /* start by appending the name to the current prefix */
3549 strcpy(curfullcmd, cmd);
3550 curfullcmd += cmdlen;
3551
3552 /* if it doesn't end with '.', or has no extension, try adding
3553 * a trailing .exe first */
3554 if (cmd[cmdlen-1] != '.'
3555 && (cmdlen < 4 || cmd[cmdlen-4] != '.'))
3556 {
3557 strcpy(curfullcmd, ".exe");
3558 res = GetFileAttributes(fullcmd);
3559 if (res != 0xFFFFFFFF && !(res & FILE_ATTRIBUTE_DIRECTORY))
3560 return fullcmd;
3561 *curfullcmd = '\0';
3562 }
3563
3564 /* that failed, try the bare name */
3565 res = GetFileAttributes(fullcmd);
3566 if (res != 0xFFFFFFFF && !(res & FILE_ATTRIBUTE_DIRECTORY))
3567 return fullcmd;
3568
3569 /* quit if no other path exists, or if cmd already has path */
3570 if (!pathstr || !*pathstr || has_slash)
3571 break;
3572
3573 /* skip leading semis */
3574 while (*pathstr == ';')
3575 pathstr++;
3576
3577 /* build a new prefix from scratch */
3578 curfullcmd = fullcmd;
3579 while (*pathstr && *pathstr != ';') {
3580 if (*pathstr == '"') { /* foo;"baz;etc";bar */
3581 pathstr++; /* skip initial '"' */
3582 while (*pathstr && *pathstr != '"') {
eb160463 3583 if ((STRLEN)(curfullcmd-fullcmd) < MAX_PATH-cmdlen-5)
0aaad0ff
GS
3584 *curfullcmd++ = *pathstr;
3585 pathstr++;
3586 }
3587 if (*pathstr)
3588 pathstr++; /* skip trailing '"' */
3589 }
3590 else {
eb160463 3591 if ((STRLEN)(curfullcmd-fullcmd) < MAX_PATH-cmdlen-5)
0aaad0ff
GS
3592 *curfullcmd++ = *pathstr;
3593 pathstr++;
3594 }
3595 }
3596 if (*pathstr)
3597 pathstr++; /* skip trailing semi */
3598 if (curfullcmd > fullcmd /* append a dir separator */
3599 && curfullcmd[-1] != '/' && curfullcmd[-1] != '\\')
3600 {
3601 *curfullcmd++ = '\\';
3602 }
3603 }
eb160463 3604
0aaad0ff
GS
3605 Safefree(fullcmd);
3606 return Nullch;
3607}
3608
3075ddba
GS
3609/* The following are just place holders.
3610 * Some hosts may provide and environment that the OS is
3611 * not tracking, therefore, these host must provide that
3612 * environment and the current directory to CreateProcess
3613 */
3614