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[perl5.git] / win32 / win32.c
CommitLineData
68dc0745
PP
1/* WIN32.C
2 *
3 * (c) 1995 Microsoft Corporation. All rights reserved.
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 */
0a753a76
PP
10
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
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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>
0a753a76 25
68dc0745 26/* #include "config.h" */
0a753a76
PP
27
28#define PERLIO_NOT_STDIO 0
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
GS
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
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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
NIS
56#ifdef __GNUC__
57/* Mingw32 defaults to globing command line
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
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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
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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
3fe9a6f1 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
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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
GS
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;
211 int oldsize, newsize;
273cf8d1 212 STRLEN baselen;
e5a95ffb
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213
214 va_start(ap, trailing_path);
215 strip = va_arg(ap, char *);
216
273cf8d1
GS
217 sprintf(base, "%d.%d", (int)PERL_REVISION, (int)PERL_VERSION);
218 baselen = strlen(base);
dc9e4912 219
8ac9c18d 220 if (!*w32_module_name) {
2fa86c13 221 set_w32_module_name();
95140b98 222 }
8ac9c18d 223 strcpy(mod_name, w32_module_name);
95140b98 224 ptr = strrchr(mod_name, '/');
e5a95ffb
GS
225 while (ptr && strip) {
226 /* look for directories to skip back */
227 optr = ptr;
00dc2f4f 228 *ptr = '\0';
95140b98 229 ptr = strrchr(mod_name, '/');
1c39adb2
GS
230 /* avoid stripping component if there is no slash,
231 * or it doesn't match ... */
e5a95ffb 232 if (!ptr || stricmp(ptr+1, strip) != 0) {
273cf8d1 233 /* ... but not if component matches m|5\.$patchlevel.*| */
1c39adb2 234 if (!ptr || !(*strip == '5' && *(ptr+1) == '5'
273cf8d1
GS
235 && strncmp(strip, base, baselen) == 0
236 && strncmp(ptr+1, base, baselen) == 0))
95140b98
GS
237 {
238 *optr = '/';
80252599
GS
239 ptr = optr;
240 }
00dc2f4f 241 }
e5a95ffb 242 strip = va_arg(ap, char *);
00dc2f4f 243 }
e5a95ffb
GS
244 if (!ptr) {
245 ptr = mod_name;
246 *ptr++ = '.';
95140b98 247 *ptr = '/';
00dc2f4f 248 }
e5a95ffb
GS
249 va_end(ap);
250 strcpy(++ptr, trailing_path);
251
dc9e4912 252 /* only add directory if it exists */
349ad1fe 253 if (GetFileAttributes(mod_name) != (DWORD) -1) {
dc9e4912 254 /* directory exists */
acfe0abc 255 dTHX;
c5be433b
GS
256 if (!*prev_pathp)
257 *prev_pathp = sv_2mortal(newSVpvn("",0));
258 sv_catpvn(*prev_pathp, ";", 1);
259 sv_catpv(*prev_pathp, mod_name);
260 return SvPVX(*prev_pathp);
00dc2f4f 261 }
00dc2f4f 262
cf11f4bf 263 return Nullch;
00dc2f4f
GS
264}
265
266char *
4ea817c6 267win32_get_privlib(const char *pl)
00dc2f4f 268{
acfe0abc 269 dTHX;
e5a95ffb
GS
270 char *stdlib = "lib";
271 char buffer[MAX_PATH+1];
51371543 272 SV *sv = Nullsv;
00dc2f4f 273
e5a95ffb
GS
274 /* $stdlib = $HKCU{"lib-$]"} || $HKLM{"lib-$]"} || $HKCU{"lib"} || $HKLM{"lib"} || ""; */
275 sprintf(buffer, "%s-%s", stdlib, pl);
c5be433b
GS
276 if (!get_regstr(buffer, &sv))
277 (void)get_regstr(stdlib, &sv);
00dc2f4f 278
e5a95ffb 279 /* $stdlib .= ";$EMD/../../lib" */
c5be433b 280 return get_emd_part(&sv, stdlib, ARCHNAME, "bin", Nullch);
00dc2f4f
GS
281}
282
4ea817c6
GS
283static char *
284win32_get_xlib(const char *pl, const char *xlib, const char *libname)
00dc2f4f 285{
acfe0abc 286 dTHX;
e5a95ffb 287 char regstr[40];
e24c7c18 288 char pathstr[MAX_PATH+1];
e5a95ffb 289 DWORD datalen;
e5a95ffb 290 int len, newsize;
51371543
GS
291 SV *sv1 = Nullsv;
292 SV *sv2 = Nullsv;
00dc2f4f 293
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GS
294 /* $HKCU{"$xlib-$]"} || $HKLM{"$xlib-$]"} . ---; */
295 sprintf(regstr, "%s-%s", xlib, pl);
c5be433b 296 (void)get_regstr(regstr, &sv1);
e5a95ffb 297
4ea817c6
GS
298 /* $xlib .=
299 * ";$EMD/" . ((-d $EMD/../../../$]) ? "../../.." : "../.."). "/$libname/$]/lib"; */
300 sprintf(pathstr, "%s/%s/lib", libname, pl);
c5be433b 301 (void)get_emd_part(&sv1, pathstr, ARCHNAME, "bin", pl, Nullch);
00dc2f4f 302
4ea817c6
GS
303 /* $HKCU{$xlib} || $HKLM{$xlib} . ---; */
304 (void)get_regstr(xlib, &sv2);
00dc2f4f 305
4ea817c6
GS
306 /* $xlib .=
307 * ";$EMD/" . ((-d $EMD/../../../$]) ? "../../.." : "../.."). "/$libname/lib"; */
308 sprintf(pathstr, "%s/lib", libname);
309 (void)get_emd_part(&sv2, pathstr, ARCHNAME, "bin", pl, Nullch);
e5a95ffb 310
51371543
GS
311 if (!sv1 && !sv2)
312 return Nullch;
313 if (!sv1)
314 return SvPVX(sv2);
315 if (!sv2)
316 return SvPVX(sv1);
e5a95ffb 317
349ad1fe
GS
318 sv_catpvn(sv1, ";", 1);
319 sv_catsv(sv1, sv2);
e5a95ffb 320
349ad1fe 321 return SvPVX(sv1);
68dc0745 322}
0a753a76 323
4ea817c6
GS
324char *
325win32_get_sitelib(const char *pl)
326{
327 return win32_get_xlib(pl, "sitelib", "site");
328}
329
330#ifndef PERL_VENDORLIB_NAME
331# define PERL_VENDORLIB_NAME "vendor"
332#endif
333
334char *
335win32_get_vendorlib(const char *pl)
336{
337 return win32_get_xlib(pl, "vendorlib", PERL_VENDORLIB_NAME);
338}
b4793f7f 339
2d7a9237 340static BOOL
e200fe59 341has_shell_metachars(char *ptr)
68dc0745
PP
342{
343 int inquote = 0;
344 char quote = '\0';
345
346 /*
347 * Scan string looking for redirection (< or >) or pipe
e200fe59
JD
348 * characters (|) that are not in a quoted string.
349 * Shell variable interpolation (%VAR%) can also happen inside strings.
68dc0745 350 */
9404a519 351 while (*ptr) {
68dc0745 352 switch(*ptr) {
e200fe59
JD
353 case '%':
354 return TRUE;
68dc0745
PP
355 case '\'':
356 case '\"':
9404a519
GS
357 if (inquote) {
358 if (quote == *ptr) {
68dc0745
PP
359 inquote = 0;
360 quote = '\0';
0a753a76 361 }
68dc0745
PP
362 }
363 else {
364 quote = *ptr;
365 inquote++;
366 }
367 break;
368 case '>':
369 case '<':
370 case '|':
9404a519 371 if (!inquote)
68dc0745
PP
372 return TRUE;
373 default:
374 break;
0a753a76 375 }
68dc0745
PP
376 ++ptr;
377 }
378 return FALSE;
0a753a76
PP
379}
380
32e30700 381#if !defined(PERL_IMPLICIT_SYS)
68dc0745
PP
382/* since the current process environment is being updated in util.c
383 * the library functions will get the correct environment
384 */
385PerlIO *
4f63d024 386Perl_my_popen(pTHX_ char *cmd, char *mode)
0a753a76
PP
387{
388#ifdef FIXCMD
7766f137
GS
389#define fixcmd(x) { \
390 char *pspace = strchr((x),' '); \
391 if (pspace) { \
392 char *p = (x); \
393 while (p < pspace) { \
394 if (*p == '/') \
395 *p = '\\'; \
396 p++; \
397 } \
398 } \
399 }
0a753a76
PP
400#else
401#define fixcmd(x)
402#endif
68dc0745 403 fixcmd(cmd);
45bc9206 404 PERL_FLUSHALL_FOR_CHILD;
0a753a76 405 return win32_popen(cmd, mode);
0a753a76
PP
406}
407
68dc0745 408long
4f63d024 409Perl_my_pclose(pTHX_ PerlIO *fp)
0a753a76
PP
410{
411 return win32_pclose(fp);
412}
c69f6586 413#endif
0a753a76 414
0cb96387
GS
415DllExport unsigned long
416win32_os_id(void)
0a753a76 417{
8b10511d 418 static OSVERSIONINFO osver;
0a753a76 419
2d7a9237 420 if (osver.dwPlatformId != w32_platform) {
8b10511d
GS
421 memset(&osver, 0, sizeof(OSVERSIONINFO));
422 osver.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
423 GetVersionEx(&osver);
2d7a9237 424 w32_platform = osver.dwPlatformId;
8b10511d 425 }
0cb96387 426 return (unsigned long)w32_platform;
0a753a76
PP
427}
428
7766f137
GS
429DllExport int
430win32_getpid(void)
431{
922b1888 432 int pid;
7766f137 433#ifdef USE_ITHREADS
acfe0abc 434 dTHX;
7766f137
GS
435 if (w32_pseudo_id)
436 return -((int)w32_pseudo_id);
437#endif
922b1888
GS
438 pid = _getpid();
439 /* Windows 9x appears to always reports a pid for threads and processes
440 * that has the high bit set. So we treat the lower 31 bits as the
441 * "real" PID for Perl's purposes. */
442 if (IsWin95() && pid < 0)
443 pid = -pid;
444 return pid;
7766f137
GS
445}
446
ce1da67e
GS
447/* Tokenize a string. Words are null-separated, and the list
448 * ends with a doubled null. Any character (except null and
449 * including backslash) may be escaped by preceding it with a
450 * backslash (the backslash will be stripped).
451 * Returns number of words in result buffer.
452 */
453static long
dff6d3cd 454tokenize(const char *str, char **dest, char ***destv)
ce1da67e
GS
455{
456 char *retstart = Nullch;
457 char **retvstart = 0;
458 int items = -1;
459 if (str) {
acfe0abc 460 dTHX;
ce1da67e
GS
461 int slen = strlen(str);
462 register char *ret;
463 register char **retv;
464 New(1307, ret, slen+2, char);
465 New(1308, retv, (slen+3)/2, char*);
466
467 retstart = ret;
468 retvstart = retv;
469 *retv = ret;
470 items = 0;
471 while (*str) {
472 *ret = *str++;
473 if (*ret == '\\' && *str)
474 *ret = *str++;
475 else if (*ret == ' ') {
476 while (*str == ' ')
477 str++;
478 if (ret == retstart)
479 ret--;
480 else {
481 *ret = '\0';
482 ++items;
483 if (*str)
484 *++retv = ret+1;
485 }
486 }
487 else if (!*str)
488 ++items;
489 ret++;
490 }
491 retvstart[items] = Nullch;
492 *ret++ = '\0';
493 *ret = '\0';
494 }
495 *dest = retstart;
496 *destv = retvstart;
497 return items;
498}
499
500static void
2d7a9237 501get_shell(void)
0a753a76 502{
acfe0abc 503 dTHX;
ce1da67e 504 if (!w32_perlshell_tokens) {
174c211a
GS
505 /* we don't use COMSPEC here for two reasons:
506 * 1. the same reason perl on UNIX doesn't use SHELL--rampant and
507 * uncontrolled unportability of the ensuing scripts.
508 * 2. PERL5SHELL could be set to a shell that may not be fit for
509 * interactive use (which is what most programs look in COMSPEC
510 * for).
511 */
dff6d3cd
GS
512 const char* defaultshell = (IsWinNT()
513 ? "cmd.exe /x/c" : "command.com /c");
2fb9ab56 514 const char *usershell = PerlEnv_getenv("PERL5SHELL");
ce1da67e
GS
515 w32_perlshell_items = tokenize(usershell ? usershell : defaultshell,
516 &w32_perlshell_tokens,
517 &w32_perlshell_vec);
68dc0745 518 }
0a753a76
PP
519}
520
68dc0745 521int
c5be433b 522do_aspawn(void *vreally, void **vmark, void **vsp)
0a753a76 523{
acfe0abc 524 dTHX;
2d7a9237
GS
525 SV *really = (SV*)vreally;
526 SV **mark = (SV**)vmark;
527 SV **sp = (SV**)vsp;
68dc0745 528 char **argv;
2d7a9237 529 char *str;
68dc0745 530 int status;
2d7a9237 531 int flag = P_WAIT;
68dc0745 532 int index = 0;
68dc0745 533
2d7a9237
GS
534 if (sp <= mark)
535 return -1;
68dc0745 536
ce1da67e
GS
537 get_shell();
538 New(1306, argv, (sp - mark) + w32_perlshell_items + 2, char*);
2d7a9237
GS
539
540 if (SvNIOKp(*(mark+1)) && !SvPOKp(*(mark+1))) {
541 ++mark;
542 flag = SvIVx(*mark);
68dc0745
PP
543 }
544
9404a519 545 while (++mark <= sp) {
bb897dfc 546 if (*mark && (str = SvPV_nolen(*mark)))
2d7a9237
GS
547 argv[index++] = str;
548 else
549 argv[index++] = "";
68dc0745
PP
550 }
551 argv[index++] = 0;
552
2d7a9237 553 status = win32_spawnvp(flag,
bb897dfc 554 (const char*)(really ? SvPV_nolen(really) : argv[0]),
2d7a9237
GS
555 (const char* const*)argv);
556
80252599 557 if (status < 0 && (errno == ENOEXEC || errno == ENOENT)) {
2d7a9237 558 /* possible shell-builtin, invoke with shell */
ce1da67e
GS
559 int sh_items;
560 sh_items = w32_perlshell_items;
2d7a9237
GS
561 while (--index >= 0)
562 argv[index+sh_items] = argv[index];
ce1da67e
GS
563 while (--sh_items >= 0)
564 argv[sh_items] = w32_perlshell_vec[sh_items];
2d7a9237
GS
565
566 status = win32_spawnvp(flag,
bb897dfc 567 (const char*)(really ? SvPV_nolen(really) : argv[0]),
2d7a9237
GS
568 (const char* const*)argv);
569 }
68dc0745 570
922b1888
GS
571 if (flag == P_NOWAIT) {
572 if (IsWin95())
573 PL_statusvalue = -1; /* >16bits hint for pp_system() */
574 }
575 else {
50892819 576 if (status < 0) {
0453d815
PM
577 if (ckWARN(WARN_EXEC))
578 Perl_warner(aTHX_ WARN_EXEC, "Can't spawn \"%s\": %s", argv[0], strerror(errno));
50892819
GS
579 status = 255 * 256;
580 }
581 else
582 status *= 256;
b28d0864 583 PL_statusvalue = status;
5aabfad6 584 }
ce1da67e 585 Safefree(argv);
50892819 586 return (status);
68dc0745
PP
587}
588
c69f6586 589int
c5be433b 590do_spawn2(char *cmd, int exectype)
68dc0745 591{
acfe0abc 592 dTHX;
68dc0745
PP
593 char **a;
594 char *s;
595 char **argv;
596 int status = -1;
597 BOOL needToTry = TRUE;
2d7a9237 598 char *cmd2;
68dc0745 599
2d7a9237
GS
600 /* Save an extra exec if possible. See if there are shell
601 * metacharacters in it */
e200fe59 602 if (!has_shell_metachars(cmd)) {
fc36a67e
PP
603 New(1301,argv, strlen(cmd) / 2 + 2, char*);
604 New(1302,cmd2, strlen(cmd) + 1, char);
68dc0745
PP
605 strcpy(cmd2, cmd);
606 a = argv;
607 for (s = cmd2; *s;) {
b309b8ae 608 bool in_quotes = FALSE;
de030af3 609 while (*s && isSPACE(*s))
68dc0745
PP
610 s++;
611 if (*s)
612 *(a++) = s;
b309b8ae
JH
613 while (*s) {
614 /* ignore doubled backslashes, or backslash+quote */
615 if (*s == '\\' && (s[1] == '\\' || s[1] == '"')) {
616 s += 2;
617 }
618 /* keep track of when we're within quotes */
619 else if (*s == '"') {
620 s++;
621 in_quotes = !in_quotes;
622 }
623 /* break it up only at spaces that aren't in quotes */
624 else if (!in_quotes && isSPACE(*s))
625 break;
626 else
627 s++;
628 }
9404a519 629 if (*s)
68dc0745 630 *s++ = '\0';
0a753a76 631 }
68dc0745 632 *a = Nullch;
ce1da67e 633 if (argv[0]) {
6890e559
GS
634 switch (exectype) {
635 case EXECF_SPAWN:
636 status = win32_spawnvp(P_WAIT, argv[0],
637 (const char* const*)argv);
638 break;
639 case EXECF_SPAWN_NOWAIT:
640 status = win32_spawnvp(P_NOWAIT, argv[0],
641 (const char* const*)argv);
642 break;
643 case EXECF_EXEC:
644 status = win32_execvp(argv[0], (const char* const*)argv);
645 break;
646 }
2d7a9237 647 if (status != -1 || errno == 0)
68dc0745 648 needToTry = FALSE;
0a753a76 649 }
0a753a76 650 Safefree(argv);
68dc0745
PP
651 Safefree(cmd2);
652 }
2d7a9237 653 if (needToTry) {
ce1da67e
GS
654 char **argv;
655 int i = -1;
656 get_shell();
657 New(1306, argv, w32_perlshell_items + 2, char*);
658 while (++i < w32_perlshell_items)
659 argv[i] = w32_perlshell_vec[i];
2d7a9237
GS
660 argv[i++] = cmd;
661 argv[i] = Nullch;
6890e559
GS
662 switch (exectype) {
663 case EXECF_SPAWN:
664 status = win32_spawnvp(P_WAIT, argv[0],
665 (const char* const*)argv);
666 break;
667 case EXECF_SPAWN_NOWAIT:
668 status = win32_spawnvp(P_NOWAIT, argv[0],
669 (const char* const*)argv);
670 break;
671 case EXECF_EXEC:
672 status = win32_execvp(argv[0], (const char* const*)argv);
673 break;
674 }
ce1da67e
GS
675 cmd = argv[0];
676 Safefree(argv);
68dc0745 677 }
922b1888
GS
678 if (exectype == EXECF_SPAWN_NOWAIT) {
679 if (IsWin95())
680 PL_statusvalue = -1; /* >16bits hint for pp_system() */
681 }
682 else {
50892819 683 if (status < 0) {
0453d815
PM
684 if (ckWARN(WARN_EXEC))
685 Perl_warner(aTHX_ WARN_EXEC, "Can't %s \"%s\": %s",
50892819
GS
686 (exectype == EXECF_EXEC ? "exec" : "spawn"),
687 cmd, strerror(errno));
688 status = 255 * 256;
689 }
690 else
691 status *= 256;
b28d0864 692 PL_statusvalue = status;
5aabfad6 693 }
50892819 694 return (status);
0a753a76
PP
695}
696
6890e559 697int
c5be433b 698do_spawn(char *cmd)
6890e559 699{
c5be433b 700 return do_spawn2(cmd, EXECF_SPAWN);
6890e559
GS
701}
702
2d7a9237 703int
c5be433b 704do_spawn_nowait(char *cmd)
2d7a9237 705{
c5be433b 706 return do_spawn2(cmd, EXECF_SPAWN_NOWAIT);
2d7a9237
GS
707}
708
6890e559 709bool
4f63d024 710Perl_do_exec(pTHX_ char *cmd)
6890e559 711{
c5be433b 712 do_spawn2(cmd, EXECF_EXEC);
6890e559
GS
713 return FALSE;
714}
715
68dc0745
PP
716/* The idea here is to read all the directory names into a string table
717 * (separated by nulls) and when one of the other dir functions is called
718 * return the pointer to the current file name.
719 */
c5be433b 720DllExport DIR *
ce2e26e5 721win32_opendir(char *filename)
0a753a76 722{
acfe0abc 723 dTHX;
95136add 724 DIR *dirp;
9404a519
GS
725 long len;
726 long idx;
727 char scanname[MAX_PATH+3];
728 struct stat sbuf;
7fac1903
GS
729 WIN32_FIND_DATAA aFindData;
730 WIN32_FIND_DATAW wFindData;
9404a519 731 HANDLE fh;
7fac1903 732 char buffer[MAX_PATH*2];
82867ecf 733 WCHAR wbuffer[MAX_PATH+1];
95136add 734 char* ptr;
9404a519
GS
735
736 len = strlen(filename);
737 if (len > MAX_PATH)
738 return NULL;
68dc0745
PP
739
740 /* check to see if filename is a directory */
69d3ab13 741 if (win32_stat(filename, &sbuf) < 0 || !S_ISDIR(sbuf.st_mode))
24caa93f 742 return NULL;
68dc0745 743
68dc0745 744 /* Get us a DIR structure */
95136add 745 Newz(1303, dirp, 1, DIR);
68dc0745
PP
746
747 /* Create the search pattern */
748 strcpy(scanname, filename);
23db2e2d
GS
749
750 /* bare drive name means look in cwd for drive */
751 if (len == 2 && isALPHA(scanname[0]) && scanname[1] == ':') {
752 scanname[len++] = '.';
753 scanname[len++] = '/';
754 }
755 else if (scanname[len-1] != '/' && scanname[len-1] != '\\') {
9404a519 756 scanname[len++] = '/';
23db2e2d 757 }
9404a519
GS
758 scanname[len++] = '*';
759 scanname[len] = '\0';
68dc0745
PP
760
761 /* do the FindFirstFile call */
7fac1903 762 if (USING_WIDE()) {
0cb96387 763 A2WHELPER(scanname, wbuffer, sizeof(wbuffer));
7766f137 764 fh = FindFirstFileW(PerlDir_mapW(wbuffer), &wFindData);
7fac1903
GS
765 }
766 else {
7766f137 767 fh = FindFirstFileA(PerlDir_mapA(scanname), &aFindData);
7fac1903 768 }
95136add 769 dirp->handle = fh;
9404a519 770 if (fh == INVALID_HANDLE_VALUE) {
95136add 771 DWORD err = GetLastError();
21e72512 772 /* FindFirstFile() fails on empty drives! */
95136add
GS
773 switch (err) {
774 case ERROR_FILE_NOT_FOUND:
775 return dirp;
776 case ERROR_NO_MORE_FILES:
777 case ERROR_PATH_NOT_FOUND:
778 errno = ENOENT;
779 break;
780 case ERROR_NOT_ENOUGH_MEMORY:
781 errno = ENOMEM;
782 break;
783 default:
784 errno = EINVAL;
785 break;
786 }
787 Safefree(dirp);
68dc0745
PP
788 return NULL;
789 }
790
791 /* now allocate the first part of the string table for
792 * the filenames that we find.
793 */
7fac1903 794 if (USING_WIDE()) {
0cb96387 795 W2AHELPER(wFindData.cFileName, buffer, sizeof(buffer));
7fac1903
GS
796 ptr = buffer;
797 }
798 else {
799 ptr = aFindData.cFileName;
800 }
801 idx = strlen(ptr)+1;
95136add
GS
802 if (idx < 256)
803 dirp->size = 128;
804 else
805 dirp->size = idx;
806 New(1304, dirp->start, dirp->size, char);
807 strcpy(dirp->start, ptr);
808 dirp->nfiles++;
809 dirp->end = dirp->curr = dirp->start;
810 dirp->end += idx;
811 return dirp;
0a753a76
PP
812}
813
814
68dc0745
PP
815/* Readdir just returns the current string pointer and bumps the
816 * string pointer to the nDllExport entry.
817 */
c5be433b 818DllExport struct direct *
ce2e26e5 819win32_readdir(DIR *dirp)
0a753a76 820{
95136add 821 long len;
0a753a76 822
68dc0745
PP
823 if (dirp->curr) {
824 /* first set up the structure to return */
825 len = strlen(dirp->curr);
0f38926b 826 strcpy(dirp->dirstr.d_name, dirp->curr);
68dc0745 827 dirp->dirstr.d_namlen = len;
0a753a76 828
68dc0745 829 /* Fake an inode */
0f38926b 830 dirp->dirstr.d_ino = dirp->curr - dirp->start;
0a753a76 831
95136add 832 /* Now set up for the next call to readdir */
68dc0745 833 dirp->curr += len + 1;
95136add 834 if (dirp->curr >= dirp->end) {
acfe0abc 835 dTHX;
95136add
GS
836 char* ptr;
837 BOOL res;
838 WIN32_FIND_DATAW wFindData;
839 WIN32_FIND_DATAA aFindData;
840 char buffer[MAX_PATH*2];
841
842 /* finding the next file that matches the wildcard
843 * (which should be all of them in this directory!).
95136add
GS
844 */
845 if (USING_WIDE()) {
846 res = FindNextFileW(dirp->handle, &wFindData);
847 if (res) {
848 W2AHELPER(wFindData.cFileName, buffer, sizeof(buffer));
849 ptr = buffer;
850 }
851 }
852 else {
853 res = FindNextFileA(dirp->handle, &aFindData);
854 if (res)
855 ptr = aFindData.cFileName;
856 }
857 if (res) {
0f38926b
GS
858 long endpos = dirp->end - dirp->start;
859 long newsize = endpos + strlen(ptr) + 1;
95136add 860 /* bump the string table size by enough for the
022735b4 861 * new name and its null terminator */
0f38926b
GS
862 while (newsize > dirp->size) {
863 long curpos = dirp->curr - dirp->start;
95136add
GS
864 dirp->size *= 2;
865 Renew(dirp->start, dirp->size, char);
0f38926b 866 dirp->curr = dirp->start + curpos;
95136add 867 }
0f38926b
GS
868 strcpy(dirp->start + endpos, ptr);
869 dirp->end = dirp->start + newsize;
95136add
GS
870 dirp->nfiles++;
871 }
872 else
873 dirp->curr = NULL;
68dc0745 874 }
68dc0745
PP
875 return &(dirp->dirstr);
876 }
877 else
878 return NULL;
0a753a76
PP
879}
880
68dc0745 881/* Telldir returns the current string pointer position */
c5be433b 882DllExport long
ce2e26e5 883win32_telldir(DIR *dirp)
0a753a76 884{
95136add 885 return (dirp->curr - dirp->start);
0a753a76
PP
886}
887
888
68dc0745 889/* Seekdir moves the string pointer to a previously saved position
95136add 890 * (returned by telldir).
68dc0745 891 */
c5be433b 892DllExport void
ce2e26e5 893win32_seekdir(DIR *dirp, long loc)
0a753a76 894{
95136add 895 dirp->curr = dirp->start + loc;
0a753a76
PP
896}
897
68dc0745 898/* Rewinddir resets the string pointer to the start */
c5be433b 899DllExport void
ce2e26e5 900win32_rewinddir(DIR *dirp)
0a753a76
PP
901{
902 dirp->curr = dirp->start;
903}
904
68dc0745 905/* free the memory allocated by opendir */
c5be433b 906DllExport int
ce2e26e5 907win32_closedir(DIR *dirp)
0a753a76 908{
acfe0abc 909 dTHX;
95136add 910 if (dirp->handle != INVALID_HANDLE_VALUE)
0f38926b 911 FindClose(dirp->handle);
0a753a76
PP
912 Safefree(dirp->start);
913 Safefree(dirp);
68dc0745 914 return 1;
0a753a76
PP
915}
916
917
68dc0745
PP
918/*
919 * various stubs
920 */
0a753a76
PP
921
922
68dc0745
PP
923/* Ownership
924 *
925 * Just pretend that everyone is a superuser. NT will let us know if
926 * we don\'t really have permission to do something.
927 */
0a753a76
PP
928
929#define ROOT_UID ((uid_t)0)
930#define ROOT_GID ((gid_t)0)
931
68dc0745
PP
932uid_t
933getuid(void)
0a753a76 934{
68dc0745 935 return ROOT_UID;
0a753a76
PP
936}
937
68dc0745
PP
938uid_t
939geteuid(void)
0a753a76 940{
68dc0745 941 return ROOT_UID;
0a753a76
PP
942}
943
68dc0745
PP
944gid_t
945getgid(void)
0a753a76 946{
68dc0745 947 return ROOT_GID;
0a753a76
PP
948}
949
68dc0745
PP
950gid_t
951getegid(void)
0a753a76 952{
68dc0745 953 return ROOT_GID;
0a753a76
PP
954}
955
68dc0745 956int
22239a37 957setuid(uid_t auid)
0a753a76 958{
22239a37 959 return (auid == ROOT_UID ? 0 : -1);
0a753a76
PP
960}
961
68dc0745 962int
22239a37 963setgid(gid_t agid)
0a753a76 964{
22239a37 965 return (agid == ROOT_GID ? 0 : -1);
0a753a76
PP
966}
967
e34ffe5a
GS
968char *
969getlogin(void)
970{
acfe0abc 971 dTHX;
3352bfcb
GS
972 char *buf = w32_getlogin_buffer;
973 DWORD size = sizeof(w32_getlogin_buffer);
e34ffe5a
GS
974 if (GetUserName(buf,&size))
975 return buf;
976 return (char*)NULL;
977}
978
b990f8c8
GS
979int
980chown(const char *path, uid_t owner, gid_t group)
981{
982 /* XXX noop */
1c1c7f20 983 return 0;
b990f8c8
GS
984}
985
00b02797
JH
986/*
987 * XXX this needs strengthening (for PerlIO)
988 * -- BKS, 11-11-200
989*/
990int mkstemp(const char *path)
991{
992 dTHX;
993 char buf[MAX_PATH+1];
994 int i = 0, fd = -1;
995
996retry:
997 if (i++ > 10) { /* give up */
998 errno = ENOENT;
999 return -1;
1000 }
1001 if (!GetTempFileNameA((LPCSTR)path, "plr", 1, buf)) {
1002 errno = ENOENT;
1003 return -1;
1004 }
1005 fd = PerlLIO_open3(buf, O_CREAT|O_RDWR|O_EXCL, 0600);
1006 if (fd == -1)
1007 goto retry;
1008 return fd;
1009}
1010
0aaad0ff
GS
1011static long
1012find_pid(int pid)
0a753a76 1013{
acfe0abc 1014 dTHX;
7766f137
GS
1015 long child = w32_num_children;
1016 while (--child >= 0) {
0aaad0ff
GS
1017 if (w32_child_pids[child] == pid)
1018 return child;
1019 }
1020 return -1;
1021}
1022
1023static void
1024remove_dead_process(long child)
1025{
1026 if (child >= 0) {
acfe0abc 1027 dTHX;
0aaad0ff 1028 CloseHandle(w32_child_handles[child]);
c00206c8 1029 Move(&w32_child_handles[child+1], &w32_child_handles[child],
0aaad0ff 1030 (w32_num_children-child-1), HANDLE);
c00206c8 1031 Move(&w32_child_pids[child+1], &w32_child_pids[child],
0aaad0ff
GS
1032 (w32_num_children-child-1), DWORD);
1033 w32_num_children--;
f55ee38a 1034 }
f55ee38a
GS
1035}
1036
7766f137
GS
1037#ifdef USE_ITHREADS
1038static long
1039find_pseudo_pid(int pid)
1040{
acfe0abc 1041 dTHX;
7766f137
GS
1042 long child = w32_num_pseudo_children;
1043 while (--child >= 0) {
1044 if (w32_pseudo_child_pids[child] == pid)
1045 return child;
1046 }
1047 return -1;
1048}
1049
1050static void
1051remove_dead_pseudo_process(long child)
1052{
1053 if (child >= 0) {
acfe0abc 1054 dTHX;
7766f137 1055 CloseHandle(w32_pseudo_child_handles[child]);
c00206c8 1056 Move(&w32_pseudo_child_handles[child+1], &w32_pseudo_child_handles[child],
7766f137 1057 (w32_num_pseudo_children-child-1), HANDLE);
c00206c8 1058 Move(&w32_pseudo_child_pids[child+1], &w32_pseudo_child_pids[child],
7766f137
GS
1059 (w32_num_pseudo_children-child-1), DWORD);
1060 w32_num_pseudo_children--;
1061 }
1062}
1063#endif
1064
f55ee38a
GS
1065DllExport int
1066win32_kill(int pid, int sig)
1067{
acfe0abc 1068 dTHX;
0aaad0ff 1069 HANDLE hProcess;
c66b022d 1070 long child;
7766f137
GS
1071#ifdef USE_ITHREADS
1072 if (pid < 0) {
1073 /* it is a pseudo-forked child */
c66b022d 1074 child = find_pseudo_pid(-pid);
7766f137 1075 if (child >= 0) {
42b8b86c
GS
1076 if (!sig)
1077 return 0;
7766f137
GS
1078 hProcess = w32_pseudo_child_handles[child];
1079 if (TerminateThread(hProcess, sig)) {
1080 remove_dead_pseudo_process(child);
1081 return 0;
1082 }
1083 }
922b1888
GS
1084 else if (IsWin95()) {
1085 pid = -pid;
1086 goto alien_process;
1087 }
68dc0745 1088 }
7766f137
GS
1089 else
1090#endif
1091 {
c66b022d 1092 child = find_pid(pid);
7766f137 1093 if (child >= 0) {
42b8b86c
GS
1094 if (!sig)
1095 return 0;
7766f137
GS
1096 hProcess = w32_child_handles[child];
1097 if (TerminateProcess(hProcess, sig)) {
1098 remove_dead_process(child);
1099 return 0;
1100 }
1101 }
1102 else {
922b1888
GS
1103alien_process:
1104 hProcess = OpenProcess(PROCESS_ALL_ACCESS, TRUE,
1105 (IsWin95() ? -pid : pid));
42b8b86c
GS
1106 if (hProcess) {
1107 if (!sig)
1108 return 0;
1109 if (TerminateProcess(hProcess, sig)) {
1110 CloseHandle(hProcess);
1111 return 0;
1112 }
7766f137
GS
1113 }
1114 }
1115 }
1116 errno = EINVAL;
1117 return -1;
0a753a76 1118}
fbbbcc48 1119
68dc0745
PP
1120/*
1121 * File system stuff
1122 */
0a753a76 1123
f3986ebb
GS
1124DllExport unsigned int
1125win32_sleep(unsigned int t)
0a753a76 1126{
68dc0745
PP
1127 Sleep(t*1000);
1128 return 0;
0a753a76
PP
1129}
1130
68dc0745 1131DllExport int
426c1a18 1132win32_stat(const char *path, struct stat *sbuf)
0a753a76 1133{
acfe0abc 1134 dTHX;
426c1a18 1135 char buffer[MAX_PATH+1];
68dc0745 1136 int l = strlen(path);
67fbe06e 1137 int res;
82867ecf 1138 WCHAR wbuffer[MAX_PATH+1];
e9ff6d27 1139 WCHAR* pwbuffer;
6b980173
JD
1140 HANDLE handle;
1141 int nlink = 1;
0a753a76 1142
68dc0745
PP
1143 if (l > 1) {
1144 switch(path[l - 1]) {
e1dbac94
GS
1145 /* FindFirstFile() and stat() are buggy with a trailing
1146 * backslash, so change it to a forward slash :-( */
68dc0745 1147 case '\\':
426c1a18
GS
1148 strncpy(buffer, path, l-1);
1149 buffer[l - 1] = '/';
1150 buffer[l] = '\0';
1151 path = buffer;
e1dbac94 1152 break;
23db2e2d 1153 /* FindFirstFile() is buggy with "x:", so add a dot :-( */
e1dbac94
GS
1154 case ':':
1155 if (l == 2 && isALPHA(path[0])) {
426c1a18
GS
1156 buffer[0] = path[0];
1157 buffer[1] = ':';
1158 buffer[2] = '.';
1159 buffer[3] = '\0';
e1dbac94 1160 l = 3;
426c1a18 1161 path = buffer;
e1dbac94
GS
1162 }
1163 break;
68dc0745
PP
1164 }
1165 }
6b980173
JD
1166
1167 /* We *must* open & close the file once; otherwise file attribute changes */
1168 /* might not yet have propagated to "other" hard links of the same file. */
1169 /* This also gives us an opportunity to determine the number of links. */
7fac1903 1170 if (USING_WIDE()) {
0cb96387 1171 A2WHELPER(path, wbuffer, sizeof(wbuffer));
e9ff6d27
GS
1172 pwbuffer = PerlDir_mapW(wbuffer);
1173 handle = CreateFileW(pwbuffer, 0, 0, NULL, OPEN_EXISTING, 0, NULL);
7fac1903
GS
1174 }
1175 else {
e9ff6d27
GS
1176 path = PerlDir_mapA(path);
1177 l = strlen(path);
1178 handle = CreateFileA(path, 0, 0, NULL, OPEN_EXISTING, 0, NULL);
6b980173
JD
1179 }
1180 if (handle != INVALID_HANDLE_VALUE) {
1181 BY_HANDLE_FILE_INFORMATION bhi;
1182 if (GetFileInformationByHandle(handle, &bhi))
1183 nlink = bhi.nNumberOfLinks;
1184 CloseHandle(handle);
7fac1903 1185 }
6b980173 1186
e9ff6d27 1187 /* pwbuffer or path will be mapped correctly above */
7766f137 1188 if (USING_WIDE()) {
e9ff6d27 1189 res = _wstat(pwbuffer, (struct _stat *)sbuf);
7766f137
GS
1190 }
1191 else {
e9ff6d27 1192 res = stat(path, sbuf);
7766f137 1193 }
426c1a18 1194 sbuf->st_nlink = nlink;
6b980173 1195
24caa93f
GS
1196 if (res < 0) {
1197 /* CRT is buggy on sharenames, so make sure it really isn't.
1198 * XXX using GetFileAttributesEx() will enable us to set
426c1a18 1199 * sbuf->st_*time (but note that's not available on the
24caa93f 1200 * Windows of 1995) */
7fac1903
GS
1201 DWORD r;
1202 if (USING_WIDE()) {
e9ff6d27 1203 r = GetFileAttributesW(pwbuffer);
7fac1903
GS
1204 }
1205 else {
e9ff6d27 1206 r = GetFileAttributesA(path);
7fac1903 1207 }
24caa93f 1208 if (r != 0xffffffff && (r & FILE_ATTRIBUTE_DIRECTORY)) {
426c1a18
GS
1209 /* sbuf may still contain old garbage since stat() failed */
1210 Zero(sbuf, 1, struct stat);
1211 sbuf->st_mode = S_IFDIR | S_IREAD;
24caa93f
GS
1212 errno = 0;
1213 if (!(r & FILE_ATTRIBUTE_READONLY))
426c1a18 1214 sbuf->st_mode |= S_IWRITE | S_IEXEC;
24caa93f
GS
1215 return 0;
1216 }
1217 }
24caa93f 1218 else {
e1dbac94
GS
1219 if (l == 3 && isALPHA(path[0]) && path[1] == ':'
1220 && (path[2] == '\\' || path[2] == '/'))
2293b0e9
AB
1221 {
1222 /* The drive can be inaccessible, some _stat()s are buggy */
7fac1903 1223 if (USING_WIDE()
e9ff6d27
GS
1224 ? !GetVolumeInformationW(pwbuffer,NULL,0,NULL,NULL,NULL,NULL,0)
1225 : !GetVolumeInformationA(path,NULL,0,NULL,NULL,NULL,NULL,0)) {
2293b0e9
AB
1226 errno = ENOENT;
1227 return -1;
1228 }
1229 }
1230#ifdef __BORLANDC__
426c1a18
GS
1231 if (S_ISDIR(sbuf->st_mode))
1232 sbuf->st_mode |= S_IWRITE | S_IEXEC;
1233 else if (S_ISREG(sbuf->st_mode)) {
d0650a05 1234 int perms;
67fbe06e
GS
1235 if (l >= 4 && path[l-4] == '.') {
1236 const char *e = path + l - 3;
1237 if (strnicmp(e,"exe",3)
1238 && strnicmp(e,"bat",3)
1239 && strnicmp(e,"com",3)
1240 && (IsWin95() || strnicmp(e,"cmd",3)))
426c1a18 1241 sbuf->st_mode &= ~S_IEXEC;
67fbe06e 1242 else
426c1a18 1243 sbuf->st_mode |= S_IEXEC;
67fbe06e
GS
1244 }
1245 else
426c1a18 1246 sbuf->st_mode &= ~S_IEXEC;
d0650a05
GS
1247 /* Propagate permissions to _group_ and _others_ */
1248 perms = sbuf->st_mode & (S_IREAD|S_IWRITE|S_IEXEC);
1249 sbuf->st_mode |= (perms>>3) | (perms>>6);
67fbe06e 1250 }
67fbe06e 1251#endif
2293b0e9 1252 }
67fbe06e 1253 return res;
0a753a76
PP
1254}
1255
8ac9c18d
GS
1256/* Find the longname of a given path. path is destructively modified.
1257 * It should have space for at least MAX_PATH characters. */
1258DllExport char *
1259win32_longpath(char *path)
1260{
1261 WIN32_FIND_DATA fdata;
1262 HANDLE fhand;
1263 char tmpbuf[MAX_PATH+1];
1264 char *tmpstart = tmpbuf;
1265 char *start = path;
1266 char sep;
1267 if (!path)
1268 return Nullch;
1269
1270 /* drive prefix */
1271 if (isALPHA(path[0]) && path[1] == ':' &&
1272 (path[2] == '/' || path[2] == '\\'))
1273 {
1274 start = path + 2;
1275 *tmpstart++ = path[0];
1276 *tmpstart++ = ':';
1277 }
1278 /* UNC prefix */
1279 else if ((path[0] == '/' || path[0] == '\\') &&
1280 (path[1] == '/' || path[1] == '\\'))
1281 {
1282 start = path + 2;
52fcf7ee
GS
1283 *tmpstart++ = path[0];
1284 *tmpstart++ = path[1];
8ac9c18d
GS
1285 /* copy machine name */
1286 while (*start && *start != '/' && *start != '\\')
1287 *tmpstart++ = *start++;
1288 if (*start) {
52fcf7ee 1289 *tmpstart++ = *start;
8ac9c18d
GS
1290 start++;
1291 /* copy share name */
1292 while (*start && *start != '/' && *start != '\\')
1293 *tmpstart++ = *start++;
1294 }
1295 }
1296 sep = *start++;
1297 if (sep == '/' || sep == '\\')
52fcf7ee 1298 *tmpstart++ = sep;
8ac9c18d
GS
1299 *tmpstart = '\0';
1300 while (sep) {
1301 /* walk up to slash */
1302 while (*start && *start != '/' && *start != '\\')
1303 ++start;
1304
1305 /* discard doubled slashes */
1306 while (*start && (start[1] == '/' || start[1] == '\\'))
1307 ++start;
1308 sep = *start;
1309
1310 /* stop and find full name of component */
1311 *start = '\0';
1312 fhand = FindFirstFile(path,&fdata);
1313 if (fhand != INVALID_HANDLE_VALUE) {
1314 strcpy(tmpstart, fdata.cFileName);
1315 tmpstart += strlen(fdata.cFileName);
1316 if (sep)
52fcf7ee 1317 *tmpstart++ = sep;
8ac9c18d
GS
1318 *tmpstart = '\0';
1319 *start++ = sep;
1320 FindClose(fhand);
1321 }
1322 else {
1323 /* failed a step, just return without side effects */
bf49b057 1324 /*PerlIO_printf(Perl_debug_log, "Failed to find %s\n", path);*/
8ac9c18d
GS
1325 *start = sep;
1326 return Nullch;
1327 }
1328 }
1329 strcpy(path,tmpbuf);
1330 return path;
1331}
1332
0551aaa8
GS
1333DllExport char *
1334win32_getenv(const char *name)
1335{
acfe0abc 1336 dTHX;
82867ecf 1337 WCHAR wBuffer[MAX_PATH+1];
0551aaa8 1338 DWORD needlen;
51371543 1339 SV *curitem = Nullsv;
58a50f62 1340
7fac1903 1341 if (USING_WIDE()) {
0cb96387 1342 A2WHELPER(name, wBuffer, sizeof(wBuffer));
51371543 1343 needlen = GetEnvironmentVariableW(wBuffer, NULL, 0);
7fac1903
GS
1344 }
1345 else
51371543 1346 needlen = GetEnvironmentVariableA(name,NULL,0);
58a50f62 1347 if (needlen != 0) {
51371543 1348 curitem = sv_2mortal(newSVpvn("", 0));
7fac1903 1349 if (USING_WIDE()) {
51371543
GS
1350 SV *acuritem;
1351 do {
1352 SvGROW(curitem, (needlen+1)*sizeof(WCHAR));
1353 needlen = GetEnvironmentVariableW(wBuffer,
1354 (WCHAR*)SvPVX(curitem),
1355 needlen);
1356 } while (needlen >= SvLEN(curitem)/sizeof(WCHAR));
c5be433b 1357 SvCUR_set(curitem, (needlen*sizeof(WCHAR))+1);
51371543
GS
1358 acuritem = sv_2mortal(newSVsv(curitem));
1359 W2AHELPER((WCHAR*)SvPVX(acuritem), SvPVX(curitem), SvCUR(curitem));
7fac1903
GS
1360 }
1361 else {
51371543
GS
1362 do {
1363 SvGROW(curitem, needlen+1);
1364 needlen = GetEnvironmentVariableA(name,SvPVX(curitem),
1365 needlen);
1366 } while (needlen >= SvLEN(curitem));
1367 SvCUR_set(curitem, needlen);
58a50f62 1368 }
0551aaa8 1369 }
c934e9d4 1370 else {
7a5f8e82 1371 /* allow any environment variables that begin with 'PERL'
c934e9d4 1372 to be stored in the registry */
51371543 1373 if (strncmp(name, "PERL", 4) == 0)
c5be433b 1374 (void)get_regstr(name, &curitem);
c69f6586 1375 }
51371543
GS
1376 if (curitem && SvCUR(curitem))
1377 return SvPVX(curitem);
58a50f62 1378
51371543 1379 return Nullch;
0551aaa8
GS
1380}
1381
ac5c734f
GS
1382DllExport int
1383win32_putenv(const char *name)
1384{
acfe0abc 1385 dTHX;
ac5c734f
GS
1386 char* curitem;
1387 char* val;
7fac1903
GS
1388 WCHAR* wCuritem;
1389 WCHAR* wVal;
1390 int length, relval = -1;
51371543 1391
73c4f7a1 1392 if (name) {
7fac1903
GS
1393 if (USING_WIDE()) {
1394 length = strlen(name)+1;
1395 New(1309,wCuritem,length,WCHAR);
c5be433b 1396 A2WHELPER(name, wCuritem, length*sizeof(WCHAR));
7fac1903 1397 wVal = wcschr(wCuritem, '=');
7766f137 1398 if (wVal) {
7fac1903 1399 *wVal++ = '\0';
7766f137 1400 if (SetEnvironmentVariableW(wCuritem, *wVal ? wVal : NULL))
7fac1903
GS
1401 relval = 0;
1402 }
1403 Safefree(wCuritem);
1404 }
1405 else {
1406 New(1309,curitem,strlen(name)+1,char);
1407 strcpy(curitem, name);
1408 val = strchr(curitem, '=');
7766f137 1409 if (val) {
7fac1903
GS
1410 /* The sane way to deal with the environment.
1411 * Has these advantages over putenv() & co.:
1412 * * enables us to store a truly empty value in the
1413 * environment (like in UNIX).
1414 * * we don't have to deal with RTL globals, bugs and leaks.
1415 * * Much faster.
1416 * Why you may want to enable USE_WIN32_RTL_ENV:
1417 * * environ[] and RTL functions will not reflect changes,
1418 * which might be an issue if extensions want to access
1419 * the env. via RTL. This cuts both ways, since RTL will
1420 * not see changes made by extensions that call the Win32
1421 * functions directly, either.
1422 * GSAR 97-06-07
1423 */
1424 *val++ = '\0';
7766f137 1425 if (SetEnvironmentVariableA(curitem, *val ? val : NULL))
7fac1903
GS
1426 relval = 0;
1427 }
1428 Safefree(curitem);
ac5c734f 1429 }
ac5c734f
GS
1430 }
1431 return relval;
1432}
1433
d55594ae 1434static long
2d7a9237 1435filetime_to_clock(PFILETIME ft)
d55594ae 1436{
7766f137
GS
1437 __int64 qw = ft->dwHighDateTime;
1438 qw <<= 32;
1439 qw |= ft->dwLowDateTime;
1440 qw /= 10000; /* File time ticks at 0.1uS, clock at 1mS */
1441 return (long) qw;
d55594ae
GS
1442}
1443
f3986ebb
GS
1444DllExport int
1445win32_times(struct tms *timebuf)
0a753a76 1446{
d55594ae
GS
1447 FILETIME user;
1448 FILETIME kernel;
1449 FILETIME dummy;
1450 if (GetProcessTimes(GetCurrentProcess(), &dummy, &dummy,
1451 &kernel,&user)) {
2d7a9237
GS
1452 timebuf->tms_utime = filetime_to_clock(&user);
1453 timebuf->tms_stime = filetime_to_clock(&kernel);
d55594ae
GS
1454 timebuf->tms_cutime = 0;
1455 timebuf->tms_cstime = 0;
1456
1457 } else {
1458 /* That failed - e.g. Win95 fallback to clock() */
1459 clock_t t = clock();
1460 timebuf->tms_utime = t;
1461 timebuf->tms_stime = 0;
1462 timebuf->tms_cutime = 0;
1463 timebuf->tms_cstime = 0;
1464 }
68dc0745 1465 return 0;
0a753a76
PP
1466}
1467
9c51cf4c 1468/* fix utime() so it works on directories in NT */
ad0751ec
GS
1469static BOOL
1470filetime_from_time(PFILETIME pFileTime, time_t Time)
1471{
9c51cf4c 1472 struct tm *pTM = localtime(&Time);
ad0751ec 1473 SYSTEMTIME SystemTime;
9c51cf4c 1474 FILETIME LocalTime;
ad0751ec
GS
1475
1476 if (pTM == NULL)
1477 return FALSE;
1478
1479 SystemTime.wYear = pTM->tm_year + 1900;
1480 SystemTime.wMonth = pTM->tm_mon + 1;
1481 SystemTime.wDay = pTM->tm_mday;
1482 SystemTime.wHour = pTM->tm_hour;
1483 SystemTime.wMinute = pTM->tm_min;
1484 SystemTime.wSecond = pTM->tm_sec;
1485 SystemTime.wMilliseconds = 0;
1486
9c51cf4c
GS
1487 return SystemTimeToFileTime(&SystemTime, &LocalTime) &&
1488 LocalFileTimeToFileTime(&LocalTime, pFileTime);
ad0751ec
GS
1489}
1490
1491DllExport int
7766f137
GS
1492win32_unlink(const char *filename)
1493{
acfe0abc 1494 dTHX;
7766f137
GS
1495 int ret;
1496 DWORD attrs;
1497
1498 if (USING_WIDE()) {
82867ecf 1499 WCHAR wBuffer[MAX_PATH+1];
e9ff6d27 1500 WCHAR* pwBuffer;
7766f137
GS
1501
1502 A2WHELPER(filename, wBuffer, sizeof(wBuffer));
e9ff6d27
GS
1503 pwBuffer = PerlDir_mapW(wBuffer);
1504 attrs = GetFileAttributesW(pwBuffer);
c00206c8
GS
1505 if (attrs == 0xFFFFFFFF)
1506 goto fail;
7766f137 1507 if (attrs & FILE_ATTRIBUTE_READONLY) {
e9ff6d27
GS
1508 (void)SetFileAttributesW(pwBuffer, attrs & ~FILE_ATTRIBUTE_READONLY);
1509 ret = _wunlink(pwBuffer);
7766f137 1510 if (ret == -1)
e9ff6d27 1511 (void)SetFileAttributesW(pwBuffer, attrs);
7766f137
GS
1512 }
1513 else
e9ff6d27 1514 ret = _wunlink(pwBuffer);
7766f137
GS
1515 }
1516 else {
e9ff6d27
GS
1517 filename = PerlDir_mapA(filename);
1518 attrs = GetFileAttributesA(filename);
c00206c8
GS
1519 if (attrs == 0xFFFFFFFF)
1520 goto fail;
7766f137 1521 if (attrs & FILE_ATTRIBUTE_READONLY) {
e9ff6d27
GS
1522 (void)SetFileAttributesA(filename, attrs & ~FILE_ATTRIBUTE_READONLY);
1523 ret = unlink(filename);
7766f137 1524 if (ret == -1)
e9ff6d27 1525 (void)SetFileAttributesA(filename, attrs);
7766f137
GS
1526 }
1527 else
e9ff6d27 1528 ret = unlink(filename);
7766f137
GS
1529 }
1530 return ret;
c00206c8
GS
1531fail:
1532 errno = ENOENT;
1533 return -1;
7766f137
GS
1534}
1535
1536DllExport int
3b405fc5 1537win32_utime(const char *filename, struct utimbuf *times)
ad0751ec 1538{
acfe0abc 1539 dTHX;
ad0751ec
GS
1540 HANDLE handle;
1541 FILETIME ftCreate;
1542 FILETIME ftAccess;
1543 FILETIME ftWrite;
1544 struct utimbuf TimeBuffer;
82867ecf 1545 WCHAR wbuffer[MAX_PATH+1];
e9ff6d27 1546 WCHAR* pwbuffer;
ad0751ec 1547
7fac1903
GS
1548 int rc;
1549 if (USING_WIDE()) {
0cb96387 1550 A2WHELPER(filename, wbuffer, sizeof(wbuffer));
e9ff6d27
GS
1551 pwbuffer = PerlDir_mapW(wbuffer);
1552 rc = _wutime(pwbuffer, (struct _utimbuf*)times);
7fac1903
GS
1553 }
1554 else {
e9ff6d27
GS
1555 filename = PerlDir_mapA(filename);
1556 rc = utime(filename, times);
7fac1903 1557 }
ad0751ec
GS
1558 /* EACCES: path specifies directory or readonly file */
1559 if (rc == 0 || errno != EACCES /* || !IsWinNT() */)
1560 return rc;
1561
1562 if (times == NULL) {
1563 times = &TimeBuffer;
1564 time(&times->actime);
1565 times->modtime = times->actime;
1566 }
1567
1568 /* This will (and should) still fail on readonly files */
7fac1903 1569 if (USING_WIDE()) {
e9ff6d27 1570 handle = CreateFileW(pwbuffer, GENERIC_READ | GENERIC_WRITE,
7fac1903
GS
1571 FILE_SHARE_READ | FILE_SHARE_DELETE, NULL,
1572 OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL);
1573 }
1574 else {
e9ff6d27 1575 handle = CreateFileA(filename, GENERIC_READ | GENERIC_WRITE,
7fac1903
GS
1576 FILE_SHARE_READ | FILE_SHARE_DELETE, NULL,
1577 OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL);
1578 }
ad0751ec
GS
1579 if (handle == INVALID_HANDLE_VALUE)
1580 return rc;
1581
1582 if (GetFileTime(handle, &ftCreate, &ftAccess, &ftWrite) &&
1583 filetime_from_time(&ftAccess, times->actime) &&
1584 filetime_from_time(&ftWrite, times->modtime) &&
1585 SetFileTime(handle, &ftCreate, &ftAccess, &ftWrite))
1586 {
1587 rc = 0;
1588 }
1589
1590 CloseHandle(handle);
1591 return rc;
1592}
1593
2d7a9237 1594DllExport int
b2af26b1
GS
1595win32_uname(struct utsname *name)
1596{
1597 struct hostent *hep;
1598 STRLEN nodemax = sizeof(name->nodename)-1;
1599 OSVERSIONINFO osver;
1600
1601 memset(&osver, 0, sizeof(OSVERSIONINFO));
1602 osver.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
1603 if (GetVersionEx(&osver)) {
1604 /* sysname */
1605 switch (osver.dwPlatformId) {
1606 case VER_PLATFORM_WIN32_WINDOWS:
1607 strcpy(name->sysname, "Windows");
1608 break;
1609 case VER_PLATFORM_WIN32_NT:
1610 strcpy(name->sysname, "Windows NT");
1611 break;
1612 case VER_PLATFORM_WIN32s:
1613 strcpy(name->sysname, "Win32s");
1614 break;
1615 default:
1616 strcpy(name->sysname, "Win32 Unknown");
1617 break;
1618 }
1619
cf6cacac
GS
1620 /* release */
1621 sprintf(name->release, "%d.%d",
b2af26b1
GS
1622 osver.dwMajorVersion, osver.dwMinorVersion);
1623
cf6cacac
GS
1624 /* version */
1625 sprintf(name->version, "Build %d",
b2af26b1
GS
1626 osver.dwPlatformId == VER_PLATFORM_WIN32_NT
1627 ? osver.dwBuildNumber : (osver.dwBuildNumber & 0xffff));
1628 if (osver.szCSDVersion[0]) {
cf6cacac 1629 char *buf = name->version + strlen(name->version);
b2af26b1
GS
1630 sprintf(buf, " (%s)", osver.szCSDVersion);
1631 }
1632 }
1633 else {
1634 *name->sysname = '\0';
1635 *name->version = '\0';
1636 *name->release = '\0';
1637 }
1638
1639 /* nodename */
1640 hep = win32_gethostbyname("localhost");
1641 if (hep) {
1642 STRLEN len = strlen(hep->h_name);
1643 if (len <= nodemax) {
1644 strcpy(name->nodename, hep->h_name);
1645 }
1646 else {
1647 strncpy(name->nodename, hep->h_name, nodemax);
1648 name->nodename[nodemax] = '\0';
1649 }
1650 }
1651 else {
1652 DWORD sz = nodemax;
1653 if (!GetComputerName(name->nodename, &sz))
1654 *name->nodename = '\0';
1655 }
1656
1657 /* machine (architecture) */
1658 {
1659 SYSTEM_INFO info;
1660 char *arch;
1661 GetSystemInfo(&info);
a6c40364 1662
6f24f39d
JK
1663#if (defined(__BORLANDC__)&&(__BORLANDC__<=0x520)) \
1664 || (defined(__MINGW32__) && !defined(_ANONYMOUS_UNION))
a6c40364
GS
1665 switch (info.u.s.wProcessorArchitecture) {
1666#else
b2af26b1 1667 switch (info.wProcessorArchitecture) {
a6c40364 1668#endif
b2af26b1
GS
1669 case PROCESSOR_ARCHITECTURE_INTEL:
1670 arch = "x86"; break;
1671 case PROCESSOR_ARCHITECTURE_MIPS:
1672 arch = "mips"; break;
1673 case PROCESSOR_ARCHITECTURE_ALPHA:
1674 arch = "alpha"; break;
1675 case PROCESSOR_ARCHITECTURE_PPC:
1676 arch = "ppc"; break;
1677 default:
1678 arch = "unknown"; break;
1679 }
1680 strcpy(name->machine, arch);
1681 }
1682 return 0;
1683}
1684
1685DllExport int
f55ee38a
GS
1686win32_waitpid(int pid, int *status, int flags)
1687{
acfe0abc 1688 dTHX;
922b1888 1689 DWORD timeout = (flags & WNOHANG) ? 0 : INFINITE;
0aaad0ff 1690 int retval = -1;
c66b022d 1691 long child;
7766f137 1692 if (pid == -1) /* XXX threadid == 1 ? */
0aaad0ff 1693 return win32_wait(status);
7766f137
GS
1694#ifdef USE_ITHREADS
1695 else if (pid < 0) {
c66b022d 1696 child = find_pseudo_pid(-pid);
7766f137
GS
1697 if (child >= 0) {
1698 HANDLE hThread = w32_pseudo_child_handles[child];
2f67576d
BC
1699 DWORD waitcode = WaitForSingleObject(hThread, timeout);
1700 if (waitcode == WAIT_TIMEOUT) {
1701 return 0;
1702 }
1703 else if (waitcode != WAIT_FAILED) {
7766f137
GS
1704 if (GetExitCodeThread(hThread, &waitcode)) {
1705 *status = (int)((waitcode & 0xff) << 8);
1706 retval = (int)w32_pseudo_child_pids[child];
1707 remove_dead_pseudo_process(child);
68a29c53 1708 return -retval;
7766f137
GS
1709 }
1710 }
1711 else
1712 errno = ECHILD;
1713 }
922b1888
GS
1714 else if (IsWin95()) {
1715 pid = -pid;
1716 goto alien_process;
1717 }
7766f137
GS
1718 }
1719#endif
f55ee38a 1720 else {
922b1888
GS
1721 HANDLE hProcess;
1722 DWORD waitcode;
c66b022d 1723 child = find_pid(pid);
0aaad0ff 1724 if (child >= 0) {
922b1888
GS
1725 hProcess = w32_child_handles[child];
1726 waitcode = WaitForSingleObject(hProcess, timeout);
a7867d0a
GS
1727 if (waitcode == WAIT_TIMEOUT) {
1728 return 0;
1729 }
1730 else if (waitcode != WAIT_FAILED) {
922b1888
GS
1731 if (GetExitCodeProcess(hProcess, &waitcode)) {
1732 *status = (int)((waitcode & 0xff) << 8);
1733 retval = (int)w32_child_pids[child];
1734 remove_dead_process(child);
1735 return retval;
1736 }
a7867d0a 1737 }
0aaad0ff
GS
1738 else
1739 errno = ECHILD;
1740 }
1741 else {
922b1888
GS
1742alien_process:
1743 hProcess = OpenProcess(PROCESS_ALL_ACCESS, TRUE,
1744 (IsWin95() ? -pid : pid));
1745 if (hProcess) {
1746 waitcode = WaitForSingleObject(hProcess, timeout);
1747 if (waitcode == WAIT_TIMEOUT) {
1748 return 0;
1749 }
1750 else if (waitcode != WAIT_FAILED) {
1751 if (GetExitCodeProcess(hProcess, &waitcode)) {
1752 *status = (int)((waitcode & 0xff) << 8);
1753 CloseHandle(hProcess);
1754 return pid;
1755 }
1756 }
1757 CloseHandle(hProcess);
1758 }
1759 else
1760 errno = ECHILD;
0aaad0ff 1761 }
f55ee38a 1762 }
0aaad0ff 1763 return retval >= 0 ? pid : retval;
f55ee38a
GS
1764}
1765
1766DllExport int
2d7a9237
GS
1767win32_wait(int *status)
1768{
2d7a9237
GS
1769 /* XXX this wait emulation only knows about processes
1770 * spawned via win32_spawnvp(P_NOWAIT, ...).
1771 */
acfe0abc 1772 dTHX;
2d7a9237
GS
1773 int i, retval;
1774 DWORD exitcode, waitcode;
1775
7766f137
GS
1776#ifdef USE_ITHREADS
1777 if (w32_num_pseudo_children) {
1778 waitcode = WaitForMultipleObjects(w32_num_pseudo_children,
1779 w32_pseudo_child_handles,
1780 FALSE,
1781 INFINITE);
1782 if (waitcode != WAIT_FAILED) {
1783 if (waitcode >= WAIT_ABANDONED_0
1784 && waitcode < WAIT_ABANDONED_0 + w32_num_pseudo_children)
1785 i = waitcode - WAIT_ABANDONED_0;
1786 else
1787 i = waitcode - WAIT_OBJECT_0;
1788 if (GetExitCodeThread(w32_pseudo_child_handles[i], &exitcode)) {
1789 *status = (int)((exitcode & 0xff) << 8);
1790 retval = (int)w32_pseudo_child_pids[i];
1791 remove_dead_pseudo_process(i);
68a29c53 1792 return -retval;
7766f137
GS
1793 }
1794 }
1795 }
1796#endif
1797
2d7a9237
GS
1798 if (!w32_num_children) {
1799 errno = ECHILD;
1800 return -1;
1801 }
1802
1803 /* if a child exists, wait for it to die */
1804 waitcode = WaitForMultipleObjects(w32_num_children,
0aaad0ff 1805 w32_child_handles,
2d7a9237
GS
1806 FALSE,
1807 INFINITE);
1808 if (waitcode != WAIT_FAILED) {
1809 if (waitcode >= WAIT_ABANDONED_0
1810 && waitcode < WAIT_ABANDONED_0 + w32_num_children)
1811 i = waitcode - WAIT_ABANDONED_0;
1812 else
1813 i = waitcode - WAIT_OBJECT_0;
0aaad0ff 1814 if (GetExitCodeProcess(w32_child_handles[i], &exitcode) ) {
2d7a9237
GS
1815 *status = (int)((exitcode & 0xff) << 8);
1816 retval = (int)w32_child_pids[i];
0aaad0ff 1817 remove_dead_process(i);
2d7a9237
GS
1818 return retval;
1819 }
1820 }
1821
1822FAILED:
1823 errno = GetLastError();
1824 return -1;
2d7a9237 1825}
d55594ae 1826
df3728a2
JH
1827#ifndef PERL_IMPLICIT_CONTEXT
1828
2d7a9237 1829static UINT timerid = 0;
d55594ae
GS
1830
1831static VOID CALLBACK TimerProc(HWND win, UINT msg, UINT id, DWORD time)
1832{
acfe0abc 1833 dTHX;
0cb96387
GS
1834 KillTimer(NULL,timerid);
1835 timerid=0;
b319cd58 1836 CALL_FPTR(PL_sighandlerp)(14);
d55594ae
GS
1837}
1838
df3728a2
JH
1839#endif /* !PERL_IMPLICIT_CONTEXT */
1840
f3986ebb
GS
1841DllExport unsigned int
1842win32_alarm(unsigned int sec)
0a753a76 1843{
df3728a2 1844#ifndef PERL_IMPLICIT_CONTEXT
d55594ae
GS
1845 /*
1846 * the 'obvious' implentation is SetTimer() with a callback
1847 * which does whatever receiving SIGALRM would do
1848 * we cannot use SIGALRM even via raise() as it is not
1849 * one of the supported codes in <signal.h>
1850 *
1851 * Snag is unless something is looking at the message queue
1852 * nothing happens :-(
1853 */
acfe0abc 1854 dTHX;
d55594ae
GS
1855 if (sec)
1856 {
1857 timerid = SetTimer(NULL,timerid,sec*1000,(TIMERPROC)TimerProc);
1858 if (!timerid)
4f63d024 1859 Perl_croak_nocontext("Cannot set timer");
d55594ae
GS
1860 }
1861 else
1862 {
1863 if (timerid)
1864 {
1865 KillTimer(NULL,timerid);
1866 timerid=0;
1867 }
1868 }
df3728a2 1869#endif /* !PERL_IMPLICIT_CONTEXT */
afe91769 1870 return 0;
0a753a76
PP
1871}
1872
26618a56 1873#ifdef HAVE_DES_FCRYPT
2d77217b 1874extern char * des_fcrypt(const char *txt, const char *salt, char *cbuf);
ff95b63e 1875#endif
26618a56
GS
1876
1877DllExport char *
1878win32_crypt(const char *txt, const char *salt)
1879{
acfe0abc 1880 dTHX;
ff95b63e 1881#ifdef HAVE_DES_FCRYPT
3352bfcb 1882 return des_fcrypt(txt, salt, w32_crypt_buffer);
ff95b63e 1883#else
25dbdbbc 1884 Perl_croak(aTHX_ "The crypt() function is unimplemented due to excessive paranoia.");
b8957cf1 1885 return Nullch;
ff95b63e 1886#endif
26618a56 1887}
26618a56 1888
9e5f57de 1889#ifdef USE_FIXED_OSFHANDLE
390b85e7
GS
1890
1891#define FOPEN 0x01 /* file handle open */
b181b6fb 1892#define FNOINHERIT 0x10 /* file handle opened O_NOINHERIT */
390b85e7
GS
1893#define FAPPEND 0x20 /* file handle opened O_APPEND */
1894#define FDEV 0x40 /* file handle refers to device */
1895#define FTEXT 0x80 /* file handle is in text mode */
1896
390b85e7
GS
1897/***
1898*int my_open_osfhandle(long osfhandle, int flags) - open C Runtime file handle
1899*
1900*Purpose:
1901* This function allocates a free C Runtime file handle and associates
1902* it with the Win32 HANDLE specified by the first parameter. This is a
9e5f57de
GS
1903* temperary fix for WIN95's brain damage GetFileType() error on socket
1904* we just bypass that call for socket
1905*
1906* This works with MSVC++ 4.0+ or GCC/Mingw32
390b85e7
GS
1907*
1908*Entry:
1909* long osfhandle - Win32 HANDLE to associate with C Runtime file handle.
1910* int flags - flags to associate with C Runtime file handle.
1911*
1912*Exit:
1913* returns index of entry in fh, if successful
1914* return -1, if no free entry is found
1915*
1916*Exceptions:
1917*
1918*******************************************************************************/
1919
9e5f57de
GS
1920/*
1921 * we fake up some parts of the CRT that aren't exported by MSVCRT.dll
1922 * this lets sockets work on Win9X with GCC and should fix the problems
1923 * with perl95.exe
1924 * -- BKS, 1-23-2000
1925*/
1926
9e5f57de
GS
1927/* create an ioinfo entry, kill its handle, and steal the entry */
1928
b181b6fb
GS
1929static int
1930_alloc_osfhnd(void)
9e5f57de
GS
1931{
1932 HANDLE hF = CreateFile("NUL", 0, 0, NULL, OPEN_ALWAYS, 0, NULL);
dd8f4818 1933 int fh = _open_osfhandle((long)hF, 0);
9e5f57de
GS
1934 CloseHandle(hF);
1935 if (fh == -1)
1936 return fh;
1937 EnterCriticalSection(&(_pioinfo(fh)->lock));
1938 return fh;
1939}
1940
390b85e7
GS
1941static int
1942my_open_osfhandle(long osfhandle, int flags)
1943{
1944 int fh;
1945 char fileflags; /* _osfile flags */
1946
1947 /* copy relevant flags from second parameter */
1948 fileflags = FDEV;
1949
9404a519 1950 if (flags & O_APPEND)
390b85e7
GS
1951 fileflags |= FAPPEND;
1952
9404a519 1953 if (flags & O_TEXT)
390b85e7
GS
1954 fileflags |= FTEXT;
1955
b181b6fb
GS
1956 if (flags & O_NOINHERIT)
1957 fileflags |= FNOINHERIT;
1958
390b85e7 1959 /* attempt to allocate a C Runtime file handle */
9404a519 1960 if ((fh = _alloc_osfhnd()) == -1) {
390b85e7
GS
1961 errno = EMFILE; /* too many open files */
1962 _doserrno = 0L; /* not an OS error */
1963 return -1; /* return error to caller */
1964 }
1965
1966 /* the file is open. now, set the info in _osfhnd array */
1967 _set_osfhnd(fh, osfhandle);
1968
1969 fileflags |= FOPEN; /* mark as open */
1970
390b85e7 1971 _osfile(fh) = fileflags; /* set osfile entry */
dd8f4818 1972 LeaveCriticalSection(&_pioinfo(fh)->lock);
390b85e7
GS
1973
1974 return fh; /* return handle */
1975}
1976
f3986ebb 1977#endif /* USE_FIXED_OSFHANDLE */
390b85e7
GS
1978
1979/* simulate flock by locking a range on the file */
1980
1981#define LK_ERR(f,i) ((f) ? (i = 0) : (errno = GetLastError()))
1982#define LK_LEN 0xffff0000
1983
f3986ebb
GS
1984DllExport int
1985win32_flock(int fd, int oper)
390b85e7
GS
1986{
1987 OVERLAPPED o;
1988 int i = -1;
1989 HANDLE fh;
1990
f3986ebb 1991 if (!IsWinNT()) {
acfe0abc 1992 dTHX;
4f63d024 1993 Perl_croak_nocontext("flock() unimplemented on this platform");
f3986ebb
GS
1994 return -1;
1995 }
390b85e7
GS
1996 fh = (HANDLE)_get_osfhandle(fd);
1997 memset(&o, 0, sizeof(o));
1998
1999 switch(oper) {
2000 case LOCK_SH: /* shared lock */
2001 LK_ERR(LockFileEx(fh, 0, 0, LK_LEN, 0, &o),i);
2002 break;
2003 case LOCK_EX: /* exclusive lock */
2004 LK_ERR(LockFileEx(fh, LOCKFILE_EXCLUSIVE_LOCK, 0, LK_LEN, 0, &o),i);
2005 break;
2006 case LOCK_SH|LOCK_NB: /* non-blocking shared lock */
2007 LK_ERR(LockFileEx(fh, LOCKFILE_FAIL_IMMEDIATELY, 0, LK_LEN, 0, &o),i);
2008 break;
2009 case LOCK_EX|LOCK_NB: /* non-blocking exclusive lock */
2010 LK_ERR(LockFileEx(fh,
2011 LOCKFILE_EXCLUSIVE_LOCK|LOCKFILE_FAIL_IMMEDIATELY,
2012 0, LK_LEN, 0, &o),i);
2013 break;
2014 case LOCK_UN: /* unlock lock */
2015 LK_ERR(UnlockFileEx(fh, 0, LK_LEN, 0, &o),i);
2016 break;
2017 default: /* unknown */
2018 errno = EINVAL;
2019 break;
2020 }
2021 return i;
2022}
2023
2024#undef LK_ERR
2025#undef LK_LEN
2026
68dc0745
PP
2027/*
2028 * redirected io subsystem for all XS modules
2029 *
2030 */
0a753a76 2031
68dc0745
PP
2032DllExport int *
2033win32_errno(void)
0a753a76 2034{
390b85e7 2035 return (&errno);
0a753a76
PP
2036}
2037
dcb2879a
GS
2038DllExport char ***
2039win32_environ(void)
2040{
390b85e7 2041 return (&(_environ));
dcb2879a
GS
2042}
2043
68dc0745
PP
2044/* the rest are the remapped stdio routines */
2045DllExport FILE *
2046win32_stderr(void)
0a753a76 2047{
390b85e7 2048 return (stderr);
0a753a76
PP
2049}
2050
68dc0745
PP
2051DllExport FILE *
2052win32_stdin(void)
0a753a76 2053{
390b85e7 2054 return (stdin);
0a753a76
PP
2055}
2056
68dc0745
PP
2057DllExport FILE *
2058win32_stdout()
0a753a76 2059{
390b85e7 2060 return (stdout);
0a753a76
PP
2061}
2062
68dc0745
PP
2063DllExport int
2064win32_ferror(FILE *fp)
0a753a76 2065{
390b85e7 2066 return (ferror(fp));
0a753a76
PP
2067}
2068
2069
68dc0745
PP
2070DllExport int
2071win32_feof(FILE *fp)
0a753a76 2072{
390b85e7 2073 return (feof(fp));
0a753a76
PP
2074}
2075
68dc0745
PP
2076/*
2077 * Since the errors returned by the socket error function
2078 * WSAGetLastError() are not known by the library routine strerror
2079 * we have to roll our own.
2080 */
0a753a76 2081
68dc0745
PP
2082DllExport char *
2083win32_strerror(int e)
0a753a76 2084{
6f24f39d 2085#if !defined __BORLANDC__ && !defined __MINGW32__ /* compiler intolerance */
68dc0745 2086 extern int sys_nerr;
3e3baf6d 2087#endif
68dc0745 2088 DWORD source = 0;
0a753a76 2089
9404a519 2090 if (e < 0 || e > sys_nerr) {
acfe0abc 2091 dTHX;
9404a519 2092 if (e < 0)
68dc0745 2093 e = GetLastError();
0a753a76 2094
9404a519 2095 if (FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, &source, e, 0,
3352bfcb
GS
2096 w32_strerror_buffer,
2097 sizeof(w32_strerror_buffer), NULL) == 0)
2098 strcpy(w32_strerror_buffer, "Unknown Error");
0a753a76 2099
3352bfcb 2100 return w32_strerror_buffer;
68dc0745 2101 }
390b85e7 2102 return strerror(e);
0a753a76
PP
2103}
2104
22fae026 2105DllExport void
c5be433b 2106win32_str_os_error(void *sv, DWORD dwErr)
22fae026
TM
2107{
2108 DWORD dwLen;
2109 char *sMsg;
2110 dwLen = FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER
2111 |FORMAT_MESSAGE_IGNORE_INSERTS
2112 |FORMAT_MESSAGE_FROM_SYSTEM, NULL,
2113 dwErr, 0, (char *)&sMsg, 1, NULL);
2ce77adf 2114 /* strip trailing whitespace and period */
22fae026 2115 if (0 < dwLen) {
2ce77adf
GS
2116 do {
2117 --dwLen; /* dwLen doesn't include trailing null */
2118 } while (0 < dwLen && isSPACE(sMsg[dwLen]));
22fae026
TM
2119 if ('.' != sMsg[dwLen])
2120 dwLen++;
2ce77adf 2121 sMsg[dwLen] = '\0';
22fae026
TM
2122 }
2123 if (0 == dwLen) {
c69f6586 2124 sMsg = (char*)LocalAlloc(0, 64/**sizeof(TCHAR)*/);
db7c17d7
GS
2125 if (sMsg)
2126 dwLen = sprintf(sMsg,
2127 "Unknown error #0x%lX (lookup 0x%lX)",
2128 dwErr, GetLastError());
2129 }
2130 if (sMsg) {
acfe0abc 2131 dTHX;
db7c17d7
GS
2132 sv_setpvn((SV*)sv, sMsg, dwLen);
2133 LocalFree(sMsg);
22fae026 2134 }
22fae026
TM
2135}
2136
68dc0745
PP
2137DllExport int
2138win32_fprintf(FILE *fp, const char *format, ...)
0a753a76 2139{
68dc0745
PP
2140 va_list marker;
2141 va_start(marker, format); /* Initialize variable arguments. */
0a753a76 2142
390b85e7 2143 return (vfprintf(fp, format, marker));
0a753a76
PP
2144}
2145
68dc0745
PP
2146DllExport int
2147win32_printf(const char *format, ...)
0a753a76 2148{
68dc0745
PP
2149 va_list marker;
2150 va_start(marker, format); /* Initialize variable arguments. */
0a753a76 2151
390b85e7 2152 return (vprintf(format, marker));
0a753a76
PP
2153}
2154
68dc0745
PP
2155DllExport int
2156win32_vfprintf(FILE *fp, const char *format, va_list args)
0a753a76 2157{
390b85e7 2158 return (vfprintf(fp, format, args));
0a753a76
PP
2159}
2160
96e4d5b1
PP
2161DllExport int
2162win32_vprintf(const char *format, va_list args)
2163{
390b85e7 2164 return (vprintf(format, args));
96e4d5b1
PP
2165}
2166
68dc0745
PP
2167DllExport size_t
2168win32_fread(void *buf, size_t size, size_t count, FILE *fp)
0a753a76 2169{
390b85e7 2170 return fread(buf, size, count, fp);
0a753a76
PP
2171}
2172
68dc0745
PP
2173DllExport size_t
2174win32_fwrite(const void *buf, size_t size, size_t count, FILE *fp)
0a753a76 2175{
390b85e7 2176 return fwrite(buf, size, count, fp);
0a753a76
PP
2177}
2178
7fac1903
GS
2179#define MODE_SIZE 10
2180
68dc0745
PP
2181DllExport FILE *
2182win32_fopen(const char *filename, const char *mode)
0a753a76 2183{
acfe0abc 2184 dTHX;
82867ecf 2185 WCHAR wMode[MODE_SIZE], wBuffer[MAX_PATH+1];
1c5905c2 2186 FILE *f;
c5be433b
GS
2187
2188 if (!*filename)
2189 return NULL;
2190
68dc0745 2191 if (stricmp(filename, "/dev/null")==0)
7fac1903
GS
2192 filename = "NUL";
2193
2194 if (USING_WIDE()) {
0cb96387
GS
2195 A2WHELPER(mode, wMode, sizeof(wMode));
2196 A2WHELPER(filename, wBuffer, sizeof(wBuffer));
1c5905c2 2197 f = _wfopen(PerlDir_mapW(wBuffer), wMode);
7fac1903 2198 }
1c5905c2
GS
2199 else
2200 f = fopen(PerlDir_mapA(filename), mode);
2201 /* avoid buffering headaches for child processes */
2202 if (f && *mode == 'a')
2203 win32_fseek(f, 0, SEEK_END);
2204 return f;
0a753a76
PP
2205}
2206
f3986ebb
GS
2207#ifndef USE_SOCKETS_AS_HANDLES
2208#undef fdopen
2209#define fdopen my_fdopen
2210#endif
2211
68dc0745 2212DllExport FILE *
7fac1903 2213win32_fdopen(int handle, const char *mode)
0a753a76 2214{
acfe0abc 2215 dTHX;
51371543 2216 WCHAR wMode[MODE_SIZE];
1c5905c2 2217 FILE *f;
7fac1903 2218 if (USING_WIDE()) {
0cb96387 2219 A2WHELPER(mode, wMode, sizeof(wMode));
1c5905c2 2220 f = _wfdopen(handle, wMode);
7fac1903 2221 }
1c5905c2
GS
2222 else
2223 f = fdopen(handle, (char *) mode);
2224 /* avoid buffering headaches for child processes */
2225 if (f && *mode == 'a')
2226 win32_fseek(f, 0, SEEK_END);
2227 return f;
0a753a76
PP
2228}
2229
68dc0745 2230DllExport FILE *
7fac1903 2231win32_freopen(const char *path, const char *mode, FILE *stream)
0a753a76 2232{
acfe0abc 2233 dTHX;
82867ecf 2234 WCHAR wMode[MODE_SIZE], wBuffer[MAX_PATH+1];
68dc0745 2235 if (stricmp(path, "/dev/null")==0)
7fac1903
GS
2236 path = "NUL";
2237
2238 if (USING_WIDE()) {
0cb96387
GS
2239 A2WHELPER(mode, wMode, sizeof(wMode));
2240 A2WHELPER(path, wBuffer, sizeof(wBuffer));
7766f137 2241 return _wfreopen(PerlDir_mapW(wBuffer), wMode, stream);
7fac1903 2242 }
7766f137 2243 return freopen(PerlDir_mapA(path), mode, stream);
0a753a76
PP
2244}
2245
68dc0745
PP
2246DllExport int
2247win32_fclose(FILE *pf)
0a753a76 2248{
f3986ebb 2249 return my_fclose(pf); /* defined in win32sck.c */
0a753a76
PP
2250}
2251
68dc0745
PP
2252DllExport int
2253win32_fputs(const char *s,FILE *pf)
0a753a76 2254{
390b85e7 2255 return fputs(s, pf);
0a753a76
PP
2256}
2257
68dc0745
PP
2258DllExport int
2259win32_fputc(int c,FILE *pf)
0a753a76 2260{
390b85e7 2261 return fputc(c,pf);
0a753a76
PP
2262}
2263
68dc0745
PP
2264DllExport int
2265win32_ungetc(int c,FILE *pf)
0a753a76 2266{
390b85e7 2267 return ungetc(c,pf);
0a753a76
PP
2268}
2269
68dc0745
PP
2270DllExport int
2271win32_getc(FILE *pf)
0a753a76 2272{
390b85e7 2273 return getc(pf);
0a753a76
PP
2274}
2275
68dc0745
PP
2276DllExport int
2277win32_fileno(FILE *pf)
0a753a76 2278{
390b85e7 2279 return fileno(pf);
0a753a76
PP
2280}
2281
68dc0745
PP
2282DllExport void
2283win32_clearerr(FILE *pf)
0a753a76 2284{
390b85e7 2285 clearerr(pf);
68dc0745 2286 return;
0a753a76
PP
2287}
2288
68dc0745
PP
2289DllExport int
2290win32_fflush(FILE *pf)
0a753a76 2291{
390b85e7 2292 return fflush(pf);
0a753a76
PP
2293}
2294
68dc0745
PP
2295DllExport long
2296win32_ftell(FILE *pf)
0a753a76 2297{
390b85e7 2298 return ftell(pf);
0a753a76
PP
2299}
2300
68dc0745
PP
2301DllExport int
2302win32_fseek(FILE *pf,long offset,int origin)
0a753a76 2303{
390b85e7 2304 return fseek(pf, offset, origin);
0a753a76
PP
2305}
2306
68dc0745
PP
2307DllExport int
2308win32_fgetpos(FILE *pf,fpos_t *p)
0a753a76 2309{
390b85e7 2310 return fgetpos(pf, p);
0a753a76
PP
2311}
2312
68dc0745
PP
2313DllExport int
2314win32_fsetpos(FILE *pf,const fpos_t *p)
0a753a76 2315{
390b85e7 2316 return fsetpos(pf, p);
0a753a76
PP
2317}
2318
68dc0745
PP
2319DllExport void
2320win32_rewind(FILE *pf)
0a753a76 2321{
390b85e7 2322 rewind(pf);
68dc0745 2323 return;
0a753a76
PP
2324}
2325
68dc0745
PP
2326DllExport FILE*
2327win32_tmpfile(void)
0a753a76 2328{
b3122bc4
JH
2329 dTHX;
2330 char prefix[MAX_PATH+1];
2331 char filename[MAX_PATH+1];
2332 DWORD len = GetTempPath(MAX_PATH, prefix);
2333 if (len && len < MAX_PATH) {
2334 if (GetTempFileName(prefix, "plx", 0, filename)) {
2335 HANDLE fh = CreateFile(filename,
2336 DELETE | GENERIC_READ | GENERIC_WRITE,
2337 0,
2338 NULL,
2339 CREATE_ALWAYS,
2340 FILE_ATTRIBUTE_NORMAL
2341 | FILE_FLAG_DELETE_ON_CLOSE,
2342 NULL);
2343 if (fh != INVALID_HANDLE_VALUE) {
2344 int fd = win32_open_osfhandle((long)fh, 0);
2345 if (fd >= 0) {
2346 DEBUG_p(PerlIO_printf(Perl_debug_log,
2347 "Created tmpfile=%s\n",filename));
2348 return fdopen(fd, "w+b");
2349 }
2350 }
2351 }
2352 }
2353 return NULL;
0a753a76
PP
2354}
2355
68dc0745
PP
2356DllExport void
2357win32_abort(void)
0a753a76 2358{
390b85e7 2359 abort();
68dc0745 2360 return;
0a753a76
PP
2361}
2362
68dc0745 2363DllExport int
22239a37 2364win32_fstat(int fd,struct stat *sbufptr)
0a753a76 2365{
2a07f407
VK
2366#ifdef __BORLANDC__
2367 /* A file designated by filehandle is not shown as accessible
2368 * for write operations, probably because it is opened for reading.
2369 * --Vadim Konovalov
2370 */
2371 int rc = fstat(fd,sbufptr);
2372 BY_HANDLE_FILE_INFORMATION bhfi;
2373 if (GetFileInformationByHandle((HANDLE)_get_osfhandle(fd), &bhfi)) {
2374 sbufptr->st_mode &= 0xFE00;
2375 if (bhfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY)
2376 sbufptr->st_mode |= (S_IREAD + (S_IREAD >> 3) + (S_IREAD >> 6));
2377 else
2378 sbufptr->st_mode |= ((S_IREAD|S_IWRITE) + ((S_IREAD|S_IWRITE) >> 3)
2379 + ((S_IREAD|S_IWRITE) >> 6));
2380 }
2381 return rc;
2382#else
ed59ec62 2383 return my_fstat(fd,sbufptr);
2a07f407 2384#endif
0a753a76
PP
2385}
2386
68dc0745
PP
2387DllExport int
2388win32_pipe(int *pfd, unsigned int size, int mode)
0a753a76 2389{
390b85e7 2390 return _pipe(pfd, size, mode);
0a753a76
PP
2391}
2392
8c0134a8
NIS
2393DllExport PerlIO*
2394win32_popenlist(const char *mode, IV narg, SV **args)
2395{
2396 dTHX;
2397 Perl_croak(aTHX_ "List form of pipe open not implemented");
2398 return NULL;
2399}
2400
50892819
GS
2401/*
2402 * a popen() clone that respects PERL5SHELL
00b02797
JH
2403 *
2404 * changed to return PerlIO* rather than FILE * by BKS, 11-11-2000
50892819
GS
2405 */
2406
00b02797 2407DllExport PerlIO*
68dc0745 2408win32_popen(const char *command, const char *mode)
0a753a76 2409{
4b556e6c 2410#ifdef USE_RTL_POPEN
390b85e7 2411 return _popen(command, mode);
50892819
GS
2412#else
2413 int p[2];
2414 int parent, child;
2415 int stdfd, oldfd;
2416 int ourmode;
2417 int childpid;
2418
2419 /* establish which ends read and write */
2420 if (strchr(mode,'w')) {
2421 stdfd = 0; /* stdin */
2422 parent = 1;
2423 child = 0;
2424 }
2425 else if (strchr(mode,'r')) {
2426 stdfd = 1; /* stdout */
2427 parent = 0;
2428 child = 1;
2429 }
2430 else
2431 return NULL;
2432
2433 /* set the correct mode */
2434 if (strchr(mode,'b'))
2435 ourmode = O_BINARY;
2436 else if (strchr(mode,'t'))
2437 ourmode = O_TEXT;
2438 else
2439 ourmode = _fmode & (O_TEXT | O_BINARY);
2440
2441 /* the child doesn't inherit handles */
2442 ourmode |= O_NOINHERIT;
2443
2444 if (win32_pipe( p, 512, ourmode) == -1)
2445 return NULL;
2446
2447 /* save current stdfd */
2448 if ((oldfd = win32_dup(stdfd)) == -1)
2449 goto cleanup;
2450
2451 /* make stdfd go to child end of pipe (implicitly closes stdfd) */
2452 /* stdfd will be inherited by the child */
2453 if (win32_dup2(p[child], stdfd) == -1)
2454 goto cleanup;
2455
2456 /* close the child end in parent */
2457 win32_close(p[child]);
2458
2459 /* start the child */
4f63d024 2460 {
acfe0abc 2461 dTHX;
c5be433b 2462 if ((childpid = do_spawn_nowait((char*)command)) == -1)
4f63d024 2463 goto cleanup;
50892819 2464
4f63d024
GS
2465 /* revert stdfd to whatever it was before */
2466 if (win32_dup2(oldfd, stdfd) == -1)
2467 goto cleanup;
50892819 2468
4f63d024
GS
2469 /* close saved handle */
2470 win32_close(oldfd);
50892819 2471
4755096e 2472 LOCK_FDPID_MUTEX;
4f63d024 2473 sv_setiv(*av_fetch(w32_fdpid, p[parent], TRUE), childpid);
4755096e 2474 UNLOCK_FDPID_MUTEX;
d91d68c1
R
2475
2476 /* set process id so that it can be returned by perl's open() */
2477 PL_forkprocess = childpid;
4f63d024 2478 }
50892819
GS
2479
2480 /* we have an fd, return a file stream */
00b02797 2481 return (PerlIO_fdopen(p[parent], (char *)mode));
50892819
GS
2482
2483cleanup:
2484 /* we don't need to check for errors here */
2485 win32_close(p[0]);
2486 win32_close(p[1]);
2487 if (oldfd != -1) {
2488 win32_dup2(oldfd, stdfd);
2489 win32_close(oldfd);
2490 }
2491 return (NULL);
2492
4b556e6c 2493#endif /* USE_RTL_POPEN */
0a753a76
PP
2494}
2495
50892819
GS
2496/*
2497 * pclose() clone
2498 */
2499
68dc0745 2500DllExport int
00b02797 2501win32_pclose(PerlIO *pf)
0a753a76 2502{
4b556e6c 2503#ifdef USE_RTL_POPEN
390b85e7 2504 return _pclose(pf);
50892819 2505#else
acfe0abc 2506 dTHX;
e17cb2a9
JD
2507 int childpid, status;
2508 SV *sv;
2509
4755096e 2510 LOCK_FDPID_MUTEX;
00b02797 2511 sv = *av_fetch(w32_fdpid, PerlIO_fileno(pf), TRUE);
4755096e 2512
e17cb2a9
JD
2513 if (SvIOK(sv))
2514 childpid = SvIVX(sv);
2515 else
2516 childpid = 0;
50892819
GS
2517
2518 if (!childpid) {
2519 errno = EBADF;
2520 return -1;
2521 }
2522
00b02797
JH
2523#ifdef USE_PERLIO
2524 PerlIO_close(pf);
2525#else
2526 fclose(pf);
2527#endif
e17cb2a9 2528 SvIVX(sv) = 0;
4755096e 2529 UNLOCK_FDPID_MUTEX;
e17cb2a9 2530
0aaad0ff
GS
2531 if (win32_waitpid(childpid, &status, 0) == -1)
2532 return -1;
50892819 2533
0aaad0ff 2534 return status;
50892819 2535
4b556e6c 2536#endif /* USE_RTL_POPEN */
0a753a76 2537}
6b980173
JD
2538
2539static BOOL WINAPI
2540Nt4CreateHardLinkW(
2541 LPCWSTR lpFileName,
2542 LPCWSTR lpExistingFileName,
2543 LPSECURITY_ATTRIBUTES lpSecurityAttributes)
2544{
2545 HANDLE handle;
2546 WCHAR wFullName[MAX_PATH+1];
2547 LPVOID lpContext = NULL;
2548 WIN32_STREAM_ID StreamId;
2549 DWORD dwSize = (char*)&StreamId.cStreamName - (char*)&StreamId;
2550 DWORD dwWritten;
2551 DWORD dwLen;
2552 BOOL bSuccess;
2553
2554 BOOL (__stdcall *pfnBackupWrite)(HANDLE, LPBYTE, DWORD, LPDWORD,
2555 BOOL, BOOL, LPVOID*) =
2556 (BOOL (__stdcall *)(HANDLE, LPBYTE, DWORD, LPDWORD,
2557 BOOL, BOOL, LPVOID*))
2558 GetProcAddress(GetModuleHandle("kernel32.dll"), "BackupWrite");
2559 if (pfnBackupWrite == NULL)
2560 return 0;
2561
2562 dwLen = GetFullPathNameW(lpFileName, MAX_PATH, wFullName, NULL);
2563 if (dwLen == 0)
2564 return 0;
2565 dwLen = (dwLen+1)*sizeof(WCHAR);
2566
2567 handle = CreateFileW(lpExistingFileName, FILE_WRITE_ATTRIBUTES,
2568 FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
2569 NULL, OPEN_EXISTING, 0, NULL);
2570 if (handle == INVALID_HANDLE_VALUE)
2571 return 0;
2572
2573 StreamId.dwStreamId = BACKUP_LINK;
2574 StreamId.dwStreamAttributes = 0;
2575 StreamId.dwStreamNameSize = 0;
6f24f39d
JK
2576#if defined(__BORLANDC__) \
2577 ||(defined(__MINGW32__) && !defined(_ANONYMOUS_UNION))
4ce4f76e
GS
2578 StreamId.Size.u.HighPart = 0;
2579 StreamId.Size.u.LowPart = dwLen;
2580#else
6b980173
JD
2581 StreamId.Size.HighPart = 0;
2582 StreamId.Size.LowPart = dwLen;
4ce4f76e 2583#endif
6b980173
JD
2584
2585 bSuccess = pfnBackupWrite(handle, (LPBYTE)&StreamId, dwSize, &dwWritten,
2586 FALSE, FALSE, &lpContext);
2587 if (bSuccess) {
2588 bSuccess = pfnBackupWrite(handle, (LPBYTE)wFullName, dwLen, &dwWritten,
2589 FALSE, FALSE, &lpContext);
2590 pfnBackupWrite(handle, NULL, 0, &dwWritten, TRUE, FALSE, &lpContext);
2591 }
2592
2593 CloseHandle(handle);
2594 return bSuccess;
2595}
2596
2597DllExport int
2598win32_link(const char *oldname, const char *newname)
2599{
acfe0abc 2600 dTHX;
6b980173 2601 BOOL (__stdcall *pfnCreateHardLinkW)(LPCWSTR,LPCWSTR,LPSECURITY_ATTRIBUTES);
82867ecf
GS
2602 WCHAR wOldName[MAX_PATH+1];
2603 WCHAR wNewName[MAX_PATH+1];
6b980173
JD
2604
2605 if (IsWin95())
1be9d9c6 2606 Perl_croak(aTHX_ PL_no_func, "link");
6b980173
JD
2607
2608 pfnCreateHardLinkW =
2609 (BOOL (__stdcall *)(LPCWSTR, LPCWSTR, LPSECURITY_ATTRIBUTES))
2610 GetProcAddress(GetModuleHandle("kernel32.dll"), "CreateHardLinkW");
2611 if (pfnCreateHardLinkW == NULL)
2612 pfnCreateHardLinkW = Nt4CreateHardLinkW;
2613
2614 if ((A2WHELPER(oldname, wOldName, sizeof(wOldName))) &&
2615 (A2WHELPER(newname, wNewName, sizeof(wNewName))) &&
7766f137
GS
2616 (wcscpy(wOldName, PerlDir_mapW(wOldName)),
2617 pfnCreateHardLinkW(PerlDir_mapW(wNewName), wOldName, NULL)))
6b980173
JD
2618 {
2619 return 0;
2620 }
2621 errno = (GetLastError() == ERROR_FILE_NOT_FOUND) ? ENOENT : EINVAL;
2622 return -1;
2623}
0a753a76 2624
68dc0745 2625DllExport int
8d9b2e3c 2626win32_rename(const char *oname, const char *newname)
e24c7c18 2627{
65cb15a1
GS
2628 WCHAR wOldName[MAX_PATH+1];
2629 WCHAR wNewName[MAX_PATH+1];
2630 char szOldName[MAX_PATH+1];
2631 char szNewName[MAX_PATH+1];
7fac1903 2632 BOOL bResult;
acfe0abc 2633 dTHX;
65cb15a1 2634
80252599
GS
2635 /* XXX despite what the documentation says about MoveFileEx(),
2636 * it doesn't work under Windows95!
2637 */
2638 if (IsWinNT()) {
65cb15a1 2639 DWORD dwFlags = MOVEFILE_COPY_ALLOWED;
7fac1903 2640 if (USING_WIDE()) {
0cb96387
GS
2641 A2WHELPER(oname, wOldName, sizeof(wOldName));
2642 A2WHELPER(newname, wNewName, sizeof(wNewName));
65cb15a1
GS
2643 if (wcsicmp(wNewName, wOldName))
2644 dwFlags |= MOVEFILE_REPLACE_EXISTING;
7766f137 2645 wcscpy(wOldName, PerlDir_mapW(wOldName));
65cb15a1 2646 bResult = MoveFileExW(wOldName,PerlDir_mapW(wNewName), dwFlags);
7fac1903
GS
2647 }
2648 else {
65cb15a1
GS
2649 if (stricmp(newname, oname))
2650 dwFlags |= MOVEFILE_REPLACE_EXISTING;
2651 strcpy(szOldName, PerlDir_mapA(oname));
2652 bResult = MoveFileExA(szOldName,PerlDir_mapA(newname), dwFlags);
7fac1903
GS
2653 }
2654 if (!bResult) {
80252599
GS
2655 DWORD err = GetLastError();
2656 switch (err) {
2657 case ERROR_BAD_NET_NAME:
2658 case ERROR_BAD_NETPATH:
2659 case ERROR_BAD_PATHNAME:
2660 case ERROR_FILE_NOT_FOUND:
2661 case ERROR_FILENAME_EXCED_RANGE:
2662 case ERROR_INVALID_DRIVE:
2663 case ERROR_NO_MORE_FILES:
2664 case ERROR_PATH_NOT_FOUND:
2665 errno = ENOENT;
2666 break;
2667 default:
2668 errno = EACCES;
2669 break;
2670 }
2671 return -1;
2672 }
2673 return 0;
e24c7c18 2674 }
80252599
GS
2675 else {
2676 int retval = 0;
65cb15a1 2677 char szTmpName[MAX_PATH+1];
80252599
GS
2678 char dname[MAX_PATH+1];
2679 char *endname = Nullch;
2680 STRLEN tmplen = 0;
2681 DWORD from_attr, to_attr;
2682
65cb15a1
GS
2683 strcpy(szOldName, PerlDir_mapA(oname));
2684 strcpy(szNewName, PerlDir_mapA(newname));
2685
80252599 2686 /* if oname doesn't exist, do nothing */
65cb15a1 2687 from_attr = GetFileAttributes(szOldName);
80252599
GS
2688 if (from_attr == 0xFFFFFFFF) {
2689 errno = ENOENT;
2690 return -1;
2691 }
2692
2693 /* if newname exists, rename it to a temporary name so that we
2694 * don't delete it in case oname happens to be the same file
2695 * (but perhaps accessed via a different path)
2696 */
65cb15a1 2697 to_attr = GetFileAttributes(szNewName);
80252599
GS
2698 if (to_attr != 0xFFFFFFFF) {
2699 /* if newname is a directory, we fail
2700 * XXX could overcome this with yet more convoluted logic */
2701 if (to_attr & FILE_ATTRIBUTE_DIRECTORY) {
2702 errno = EACCES;
2703 return -1;
2704 }
65cb15a1
GS
2705 tmplen = strlen(szNewName);
2706 strcpy(szTmpName,szNewName);
2707 endname = szTmpName+tmplen;
2708 for (; endname > szTmpName ; --endname) {
80252599
GS
2709 if (*endname == '/' || *endname == '\\') {
2710 *endname = '\0';
2711 break;
2712 }
2713 }
65cb15a1
GS
2714 if (endname > szTmpName)
2715 endname = strcpy(dname,szTmpName);
e24c7c18 2716 else
80252599
GS
2717 endname = ".";
2718
2719 /* get a temporary filename in same directory
2720 * XXX is this really the best we can do? */
65cb15a1 2721 if (!GetTempFileName((LPCTSTR)endname, "plr", 0, szTmpName)) {
80252599
GS
2722 errno = ENOENT;
2723 return -1;
2724 }
65cb15a1 2725 DeleteFile(szTmpName);
80252599 2726
65cb15a1 2727 retval = rename(szNewName, szTmpName);
80252599
GS
2728 if (retval != 0) {
2729 errno = EACCES;
2730 return retval;
e24c7c18
GS
2731 }
2732 }
80252599
GS
2733
2734 /* rename oname to newname */
65cb15a1 2735 retval = rename(szOldName, szNewName);
80252599
GS
2736
2737 /* if we created a temporary file before ... */
2738 if (endname != Nullch) {
2739 /* ...and rename succeeded, delete temporary file/directory */
2740 if (retval == 0)
65cb15a1 2741 DeleteFile(szTmpName);
80252599
GS
2742 /* else restore it to what it was */
2743 else
65cb15a1 2744 (void)rename(szTmpName, szNewName);
80252599
GS
2745 }
2746 return retval;
e24c7c18 2747 }
e24c7c18
GS
2748}
2749
2750DllExport int
68dc0745 2751win32_setmode(int fd, int mode)
0a753a76 2752{
390b85e7 2753 return setmode(fd, mode);
0a753a76
PP
2754}
2755
96e4d5b1
PP
2756DllExport long
2757win32_lseek(int fd, long offset, int origin)
2758{
390b85e7 2759 return lseek(fd, offset, origin);
96e4d5b1
PP
2760}
2761
2762DllExport long
2763win32_tell(int fd)
2764{
390b85e7 2765 return tell(fd);
96e4d5b1
PP
2766}
2767
68dc0745
PP
2768DllExport int
2769win32_open(const char *path, int flag, ...)
0a753a76 2770{
acfe0abc 2771 dTHX;
68dc0745
PP
2772 va_list ap;
2773 int pmode;
82867ecf 2774 WCHAR wBuffer[MAX_PATH+1];
0a753a76
PP
2775
2776 va_start(ap, flag);
2777 pmode = va_arg(ap, int);
2778 va_end(ap);
2779
68dc0745 2780 if (stricmp(path, "/dev/null")==0)
7fac1903
GS
2781 path = "NUL";
2782
2783 if (USING_WIDE()) {
0cb96387 2784 A2WHELPER(path, wBuffer, sizeof(wBuffer));
7766f137 2785 return _wopen(PerlDir_mapW(wBuffer), flag, pmode);
7fac1903 2786 }
7766f137 2787 return open(PerlDir_mapA(path), flag, pmode);
0a753a76
PP
2788}
2789
00b02797
JH
2790/* close() that understands socket */
2791extern int my_close(int); /* in win32sck.c */
2792
68dc0745
PP
2793DllExport int
2794win32_close(int fd)
0a753a76 2795{
00b02797 2796 return my_close(fd);
0a753a76
PP
2797}
2798
68dc0745 2799DllExport int
96e4d5b1
PP
2800win32_eof(int fd)
2801{
390b85e7 2802 return eof(fd);
96e4d5b1
PP
2803}
2804
2805DllExport int
68dc0745 2806win32_dup(int fd)
0a753a76 2807{
390b85e7 2808 return dup(fd);
0a753a76
PP
2809}
2810
68dc0745
PP
2811DllExport int
2812win32_dup2(int fd1,int fd2)
0a753a76 2813{
390b85e7 2814 return dup2(fd1,fd2);
0a753a76
PP
2815}
2816
f7aeb604
GS
2817#ifdef PERL_MSVCRT_READFIX
2818
2819#define LF 10 /* line feed */
2820#define CR 13 /* carriage return */
2821#define CTRLZ 26 /* ctrl-z means eof for text */
2822#define FOPEN 0x01 /* file handle open */
2823#define FEOFLAG 0x02 /* end of file has been encountered */
2824#define FCRLF 0x04 /* CR-LF across read buffer (in text mode) */
2825#define FPIPE 0x08 /* file handle refers to a pipe */
2826#define FAPPEND 0x20 /* file handle opened O_APPEND */
2827#define FDEV 0x40 /* file handle refers to device */
2828#define FTEXT 0x80 /* file handle is in text mode */
2829#define MAX_DESCRIPTOR_COUNT (64*32) /* this is the maximun that MSVCRT can handle */
2830
b181b6fb
GS
2831int __cdecl
2832_fixed_read(int fh, void *buf, unsigned cnt)
f7aeb604
GS
2833{
2834 int bytes_read; /* number of bytes read */
2835 char *buffer; /* buffer to read to */
2836 int os_read; /* bytes read on OS call */
2837 char *p, *q; /* pointers into buffer */
2838 char peekchr; /* peek-ahead character */
2839 ULONG filepos; /* file position after seek */
2840 ULONG dosretval; /* o.s. return value */
2841
2842 /* validate handle */
2843 if (((unsigned)fh >= (unsigned)MAX_DESCRIPTOR_COUNT) ||
2844 !(_osfile(fh) & FOPEN))
2845 {
2846 /* out of range -- return error */
2847 errno = EBADF;
2848 _doserrno = 0; /* not o.s. error */
2849 return -1;
2850 }
2851
635bbe87
GS
2852 /*
2853 * If lockinitflag is FALSE, assume fd is device
2854 * lockinitflag is set to TRUE by open.
2855 */
2856 if (_pioinfo(fh)->lockinitflag)
2857 EnterCriticalSection(&(_pioinfo(fh)->lock)); /* lock file */
f7aeb604
GS
2858
2859 bytes_read = 0; /* nothing read yet */
2860 buffer = (char*)buf;
2861
2862 if (cnt == 0 || (_osfile(fh) & FEOFLAG)) {
2863 /* nothing to read or at EOF, so return 0 read */
2864 goto functionexit;
2865 }
2866
2867 if ((_osfile(fh) & (FPIPE|FDEV)) && _pipech(fh) != LF) {
2868 /* a pipe/device and pipe lookahead non-empty: read the lookahead
2869 * char */
2870 *buffer++ = _pipech(fh);
2871 ++bytes_read;
2872 --cnt;
2873 _pipech(fh) = LF; /* mark as empty */
2874 }
2875
2876 /* read the data */
2877
2878 if (!ReadFile((HANDLE)_osfhnd(fh), buffer, cnt, (LPDWORD)&os_read, NULL))
2879 {
2880 /* ReadFile has reported an error. recognize two special cases.
2881 *
2882 * 1. map ERROR_ACCESS_DENIED to EBADF
2883 *
2884 * 2. just return 0 if ERROR_BROKEN_PIPE has occurred. it
2885 * means the handle is a read-handle on a pipe for which
2886 * all write-handles have been closed and all data has been
2887 * read. */
2888
2889 if ((dosretval = GetLastError()) == ERROR_ACCESS_DENIED) {
2890 /* wrong read/write mode should return EBADF, not EACCES */
2891 errno = EBADF;
2892 _doserrno = dosretval;
2893 bytes_read = -1;
2894 goto functionexit;
2895 }
2896 else if (dosretval == ERROR_BROKEN_PIPE) {
2897 bytes_read = 0;
2898 goto functionexit;
2899 }
2900 else {
2901 bytes_read = -1;
2902 goto functionexit;
2903 }
2904 }
2905
2906 bytes_read += os_read; /* update bytes read */
2907
2908 if (_osfile(fh) & FTEXT) {
2909 /* now must translate CR-LFs to LFs in the buffer */
2910
2911 /* set CRLF flag to indicate LF at beginning of buffer */
2912 /* if ((os_read != 0) && (*(char *)buf == LF)) */
2913 /* _osfile(fh) |= FCRLF; */
2914 /* else */
2915 /* _osfile(fh) &= ~FCRLF; */
2916
2917 _osfile(fh) &= ~FCRLF;
2918
2919 /* convert chars in the buffer: p is src, q is dest */
2920 p = q = (char*)buf;
2921 while (p < (char *)buf + bytes_read) {
2922 if (*p == CTRLZ) {
2923 /* if fh is not a device, set ctrl-z flag */
2924 if (!(_osfile(fh) & FDEV))
2925 _osfile(fh) |= FEOFLAG;
2926 break; /* stop translating */
2927 }
2928 else if (*p != CR)
2929 *q++ = *p++;
2930 else {
2931 /* *p is CR, so must check next char for LF */
2932 if (p < (char *)buf + bytes_read - 1) {
2933 if (*(p+1) == LF) {
2934 p += 2;
2935 *q++ = LF; /* convert CR-LF to LF */
2936 }
2937 else
2938 *q++ = *p++; /* store char normally */
2939 }
2940 else {
2941 /* This is the hard part. We found a CR at end of
2942 buffer. We must peek ahead to see if next char
2943 is an LF. */
2944 ++p;
2945
2946 dosretval = 0;
2947 if (!ReadFile((HANDLE)_osfhnd(fh), &peekchr, 1,
2948 (LPDWORD)&os_read, NULL))
2949 dosretval = GetLastError();
2950
2951 if (dosretval != 0 || os_read == 0) {
2952 /* couldn't read ahead, store CR */
2953 *q++ = CR;
2954 }
2955 else {
2956 /* peekchr now has the extra character -- we now
2957 have several possibilities:
2958 1. disk file and char is not LF; just seek back
2959 and copy CR
2960 2. disk file and char is LF; store LF, don't seek back
2961 3. pipe/device and char is LF; store LF.
2962 4. pipe/device and char isn't LF, store CR and
2963 put char in pipe lookahead buffer. */
2964 if (_osfile(fh) & (FDEV|FPIPE)) {
2965 /* non-seekable device */
2966 if (peekchr == LF)
2967 *q++ = LF;
2968 else {
2969 *q++ = CR;
2970 _pipech(fh) = peekchr;
2971 }
2972 }
2973 else {
2974 /* disk file */
2975 if (peekchr == LF) {
2976 /* nothing read yet; must make some
2977 progress */
2978 *q++ = LF;
2979 /* turn on this flag for tell routine */
2980 _osfile(fh) |= FCRLF;
2981 }
2982 else {
2983 HANDLE osHandle; /* o.s. handle value */
2984 /* seek back */
2985 if ((osHandle = (HANDLE)_get_osfhandle(fh)) != (HANDLE)-1)
2986 {
2987 if ((filepos = SetFilePointer(osHandle, -1, NULL, FILE_CURRENT)) == -1)
2988 dosretval = GetLastError();
2989 }
2990 if (peekchr != LF)
2991 *q++ = CR;
2992 }
2993 }
2994 }
2995 }
2996 }
2997 }
2998
2999 /* we now change bytes_read to reflect the true number of chars
3000 in the buffer */
3001 bytes_read = q - (char *)buf;
3002 }
3003
3004functionexit:
635bbe87
GS
3005 if (_pioinfo(fh)->lockinitflag)
3006 LeaveCriticalSection(&(_pioinfo(fh)->lock)); /* unlock file */
f7aeb604
GS
3007
3008 return bytes_read;
3009}
3010
3011#endif /* PERL_MSVCRT_READFIX */
3012
68dc0745 3013DllExport int
3e3baf6d 3014win32_read(int fd, void *buf, unsigned int cnt)
0a753a76 3015{
f7aeb604
GS
3016#ifdef PERL_MSVCRT_READFIX
3017 return _fixed_read(fd, buf, cnt);
3018#else
390b85e7 3019 return read(fd, buf, cnt);
f7aeb604 3020#endif
0a753a76
PP
3021}
3022
68dc0745 3023DllExport int
3e3baf6d 3024win32_write(int fd, const void *buf, unsigned int cnt)
0a753a76 3025{
390b85e7 3026 return write(fd, buf, cnt);
0a753a76
PP
3027}
3028
68dc0745 3029DllExport int
5aabfad6
PP
3030win32_mkdir(const char *dir, int mode)
3031{
acfe0abc 3032 dTHX;
7766f137 3033 if (USING_WIDE()) {
82867ecf 3034 WCHAR wBuffer[MAX_PATH+1];
7766f137
GS
3035 A2WHELPER(dir, wBuffer, sizeof(wBuffer));
3036 return _wmkdir(PerlDir_mapW(wBuffer));
3037 }
3038 return mkdir(PerlDir_mapA(dir)); /* just ignore mode */
5aabfad6 3039}
96e4d5b1 3040
5aabfad6
PP
3041DllExport int
3042win32_rmdir(const char *dir)
3043{
acfe0abc 3044 dTHX;
7766f137 3045 if (USING_WIDE()) {
82867ecf 3046 WCHAR wBuffer[MAX_PATH+1];
7766f137
GS
3047 A2WHELPER(dir, wBuffer, sizeof(wBuffer));
3048 return _wrmdir(PerlDir_mapW(wBuffer));
3049 }
3050 return rmdir(PerlDir_mapA(dir));
5aabfad6 3051}
96e4d5b1 3052
5aabfad6
PP
3053DllExport int
3054win32_chdir(const char *dir)
3055{
4ae93879 3056 dTHX;
9ec3348a
JH
3057 if (!dir) {
3058 errno = ENOENT;
3059 return -1;
3060 }
7766f137 3061 if (USING_WIDE()) {
82867ecf 3062 WCHAR wBuffer[MAX_PATH+1];
7766f137
GS
3063 A2WHELPER(dir, wBuffer, sizeof(wBuffer));
3064 return _wchdir(wBuffer);
3065 }
390b85e7 3066 return chdir(dir);
5aabfad6 3067}
96e4d5b1 3068
7766f137
GS
3069DllExport int
3070win32_access(const char *path, int mode)
3071{
acfe0abc 3072 dTHX;
7766f137 3073 if (USING_WIDE()) {
82867ecf 3074 WCHAR wBuffer[MAX_PATH+1];
7766f137
GS
3075 A2WHELPER(path, wBuffer, sizeof(wBuffer));
3076 return _waccess(PerlDir_mapW(wBuffer), mode);
3077 }
3078 return access(PerlDir_mapA(path), mode);
3079}
3080
3081DllExport int
3082win32_chmod(const char *path, int mode)
3083{
acfe0abc 3084 dTHX;
7766f137 3085 if (USING_WIDE()) {
82867ecf 3086 WCHAR wBuffer[MAX_PATH+1];
7766f137
GS
3087 A2WHELPER(path, wBuffer, sizeof(wBuffer));
3088 return _wchmod(PerlDir_mapW(wBuffer), mode);
3089 }
3090 return chmod(PerlDir_mapA(path), mode);
3091}
3092
3093
0aaad0ff 3094static char *
81bc1258 3095create_command_line(const char *cmdname, const char * const *args)
0aaad0ff 3096{
acfe0abc 3097 dTHX;
b309b8ae
JH
3098 int index, argc;
3099 char *cmd, *ptr;
3100 const char *arg;
3101 STRLEN len = 0;
81bc1258 3102 bool bat_file = FALSE;
b309b8ae
JH
3103 bool cmd_shell = FALSE;
3104 bool extra_quotes = FALSE;
81bc1258
JH
3105 char *cname = (char*)cmdname;
3106
3107 if (!cname)
3108 cname = (char*)args[0];
b309b8ae
JH
3109
3110 /* The NT cmd.exe shell has the following peculiarity that needs to be
3111 * worked around. It strips a leading and trailing dquote when any
3112 * of the following is true:
3113 * 1. the /S switch was used
3114 * 2. there are more than two dquotes
3115 * 3. there is a special character from this set: &<>()@^|
3116 * 4. no whitespace characters within the two dquotes
3117 * 5. string between two dquotes isn't an executable file
3118 * To work around this, we always add a leading and trailing dquote
3119 * to the string, if the first argument is either "cmd.exe" or "cmd",
3120 * and there were at least two or more arguments passed to cmd.exe
3121 * (not including switches).
3122 */
81bc1258
JH
3123 if (cname) {
3124 STRLEN clen = strlen(cname);
3125 if (clen > 4
3126 && (stricmp(&cname[clen-4], ".bat") == 0
3127 || (IsWinNT() && stricmp(&cname[clen-4], ".cmd") == 0)))
3128 {
3129 bat_file = TRUE;
3130 len += 3;
3131 }
3132 else if (stricmp(cname, "cmd.exe") == 0
3133 || stricmp(cname, "cmd") == 0)
3134 {
3135 cmd_shell = TRUE;
3136 len += 3;
3137 }
b309b8ae 3138 }
0aaad0ff 3139
b309b8ae
JH
3140 DEBUG_p(PerlIO_printf(Perl_debug_log, "Args "));
3141 for (index = 0; (arg = (char*)args[index]) != NULL; ++index) {
3142 STRLEN curlen = strlen(arg);
3143 if (!(arg[0] == '"' && arg[curlen-1] == '"'))
3144 len += 2; /* assume quoting needed (worst case) */
3145 len += curlen + 1;
3146 DEBUG_p(PerlIO_printf(Perl_debug_log, "[%s]",arg));
3147 }
3148 DEBUG_p(PerlIO_printf(Perl_debug_log, "\n"));
0aaad0ff 3149
b309b8ae 3150 argc = index;
0aaad0ff
GS
3151 New(1310, cmd, len, char);
3152 ptr = cmd;
0aaad0ff 3153
81bc1258
JH
3154 if (bat_file) {
3155 *ptr++ = '"';
3156 extra_quotes = TRUE;
3157 }
3158
0aaad0ff 3159 for (index = 0; (arg = (char*)args[index]) != NULL; ++index) {
b309b8ae
JH
3160 bool do_quote = 0;
3161 STRLEN curlen = strlen(arg);
3162
81bc1258
JH
3163 /* we want to protect empty arguments and ones with spaces with
3164 * dquotes, but only if they aren't already there */
3165 if (!curlen) {
3166 do_quote = 1;
3167 }
3168 else if (!(arg[0] == '"' && curlen > 1 && arg[curlen-1] == '"')) {
b309b8ae
JH
3169 STRLEN i = 0;
3170 while (i < curlen) {
3171 if (isSPACE(arg[i])) {
3172 do_quote = 1;
3173 break;
3174 }
3175 i++;
3176 }
3177 }
3178
3179 if (do_quote)
3180 *ptr++ = '"';
3181
18a945d4 3182 strcpy(ptr, arg);
b309b8ae
JH
3183 ptr += curlen;
3184
3185 if (do_quote)
3186 *ptr++ = '"';
3187
3188 if (args[index+1])
3189 *ptr++ = ' ';
3190
81bc1258
JH
3191 if (!extra_quotes
3192 && cmd_shell
b309b8ae
JH
3193 && (stricmp(arg, "/x/c") == 0 || stricmp(arg, "/c") == 0)
3194 && (argc-1 > index+1)) /* two or more arguments to cmd.exe? */
3195 {
3196 *ptr++ = '"';
3197 extra_quotes = TRUE;
3198 }
0aaad0ff
GS
3199 }
3200
b309b8ae
JH
3201 if (extra_quotes)
3202 *ptr++ = '"';
3203
3204 *ptr = '\0';
3205
0aaad0ff
GS
3206 return cmd;
3207}
3208
3209static char *
3210qualified_path(const char *cmd)
3211{
acfe0abc 3212 dTHX;
0aaad0ff
GS
3213 char *pathstr;
3214 char *fullcmd, *curfullcmd;
3215 STRLEN cmdlen = 0;
3216 int has_slash = 0;
3217
3218 if (!cmd)
3219 return Nullch;
3220 fullcmd = (char*)cmd;
3221 while (*fullcmd) {
3222 if (*fullcmd == '/' || *fullcmd == '\\')
3223 has_slash++;
3224 fullcmd++;
3225 cmdlen++;
3226 }
3227
3228 /* look in PATH */
2fb9ab56 3229 pathstr = PerlEnv_getenv("PATH");
0aaad0ff
GS
3230 New(0, fullcmd, MAX_PATH+1, char);
3231 curfullcmd = fullcmd;
3232
3233 while (1) {
3234 DWORD res;
3235
3236 /* start by appending the name to the current prefix */
3237 strcpy(curfullcmd, cmd);
3238 curfullcmd += cmdlen;
3239
3240 /* if it doesn't end with '.', or has no extension, try adding
3241 * a trailing .exe first */
3242 if (cmd[cmdlen-1] != '.'
3243 && (cmdlen < 4 || cmd[cmdlen-4] != '.'))
3244 {
3245 strcpy(curfullcmd, ".exe");
3246 res = GetFileAttributes(fullcmd);
3247 if (res != 0xFFFFFFFF && !(res & FILE_ATTRIBUTE_DIRECTORY))
3248 return fullcmd;
3249 *curfullcmd = '\0';
3250 }
3251
3252 /* that failed, try the bare name */
3253 res = GetFileAttributes(fullcmd);
3254 if (res != 0xFFFFFFFF && !(res & FILE_ATTRIBUTE_DIRECTORY))
3255 return fullcmd;
3256
3257 /* quit if no other path exists, or if cmd already has path */
3258 if (!pathstr || !*pathstr || has_slash)
3259 break;
3260
3261 /* skip leading semis */
3262 while (*pathstr == ';')
3263 pathstr++;
3264
3265 /* build a new prefix from scratch */
3266 curfullcmd = fullcmd;
3267 while (*pathstr && *pathstr != ';') {
3268 if (*pathstr == '"') { /* foo;"baz;etc";bar */
3269 pathstr++; /* skip initial '"' */
3270 while (*pathstr && *pathstr != '"') {
3271 if (curfullcmd-fullcmd < MAX_PATH-cmdlen-5)
3272 *curfullcmd++ = *pathstr;
3273 pathstr++;
3274 }
3275 if (*pathstr)
3276 pathstr++; /* skip trailing '"' */
3277 }
3278 else {
3279 if (curfullcmd-fullcmd < MAX_PATH-cmdlen-5)
3280 *curfullcmd++ = *pathstr;
3281 pathstr++;
3282 }
3283 }
3284 if (*pathstr)
3285 pathstr++; /* skip trailing semi */
3286 if (curfullcmd > fullcmd /* append a dir separator */
3287 && curfullcmd[-1] != '/' && curfullcmd[-1] != '\\')
3288 {
3289 *curfullcmd++ = '\\';
3290 }
3291 }
3292GIVE_UP:
3293 Safefree(fullcmd);
3294 return Nullch;
3295}
3296
3075ddba
GS
3297/* The following are just place holders.
3298 * Some hosts may provide and environment that the OS is
3299 * not tracking, therefore, these host must provide that
3300 * environment and the current directory to CreateProcess
3301 */
3302
df3728a2
JH
3303DllExport void*
3304win32_get_childenv(void)
3075ddba
GS
3305{
3306 return NULL;
3307}
3308
df3728a2
JH
3309DllExport void
3310win32_free_childenv(void* d)
3075ddba
GS
3311{
3312}
3313
df3728a2
JH
3314DllExport void
3315win32_clearenv(void)
3316{
3317 char *envv = GetEnvironmentStrings();
3318 char *cur = envv;
3319 STRLEN len;
3320 while (*cur) {
3321 char *end = strchr(cur,'=');
3322 if (end && end != cur) {
3323 *end = '\0';
3324 SetEnvironmentVariable(cur, NULL);
3325 *end = '=';
3326 cur = end + strlen(end+1)+2;
3327 }
3328 else if ((len = strlen(cur)))
3329 cur += len+1;
3330 }
3331 FreeEnvironmentStrings(envv);
3332}
3333
3334DllExport char*
3335win32_get_childdir(void)
3075ddba 3336{
acfe0abc 3337 dTHX;
7766f137
GS
3338 char* ptr;
3339 char szfilename[(MAX_PATH+1)*2];
3340 if (USING_WIDE()) {
3341 WCHAR wfilename[MAX_PATH+1];
3342 GetCurrentDirectoryW(MAX_PATH+1, wfilename);
3343 W2AHELPER(wfilename, szfilename, sizeof(szfilename));
3344 }
3345 else {
3346 GetCurrentDirectoryA(MAX_PATH+1, szfilename);
3347 }
3348
3349 New(0, ptr, strlen(szfilename)+1, char);
3350 strcpy(ptr, szfilename);
3351 return ptr;
3075ddba
GS
3352}
3353
df3728a2
JH
3354DllExport void
3355win32_free_childdir(char* d)
3075ddba 3356{
acfe0abc 3357 dTHX;
7766f137 3358 Safefree(d);
3075ddba
GS
3359}
3360
3361
0aaad0ff
GS
3362/* XXX this needs to be made more compatible with the spawnvp()
3363 * provided by the various RTLs. In particular, searching for
3364 * *.{com,bat,cmd} files (as done by the RTLs) is unimplemented.
3365 * This doesn't significantly affect perl itself, because we
3366 * always invoke things using PERL5SHELL if a direct attempt to
3367 * spawn the executable fails.
3368 *
3369 * XXX splitting and rejoining the commandline between do_aspawn()
3370 * and win32_spawnvp() could also be avoided.
3371 */
3372
5aabfad6 3373DllExport int
3e3baf6d 3374win32_spawnvp(int mode, const char *cmdname, const char *const *argv)
0a753a76 3375{
0aaad0ff
GS
3376#ifdef USE_RTL_SPAWNVP
3377 return spawnvp(mode, cmdname, (char * const *)argv);
3378#else
acfe0abc 3379 dTHX;
2b260de0 3380 int ret;
3075ddba
GS
3381 void* env;
3382 char* dir;
635bbe87 3383 child_IO_table tbl;
0aaad0ff
GS
3384 STARTUPINFO StartupInfo;
3385 PROCESS_INFORMATION ProcessInformation;
3386 DWORD create = 0;
3387
81bc1258 3388 char *cmd = create_command_line(cmdname, argv);
0aaad0ff
GS
3389 char *fullcmd = Nullch;
3390
3075ddba
GS
3391 env = PerlEnv_get_childenv();
3392 dir = PerlEnv_get_childdir();
3393
0aaad0ff
GS
3394 switch(mode) {
3395 case P_NOWAIT: /* asynch + remember result */
3396 if (w32_num_children >= MAXIMUM_WAIT_OBJECTS) {
3397 errno = EAGAIN;
3398 ret = -1;
3399 goto RETVAL;
3400 }
3401 /* FALL THROUGH */
3402 case P_WAIT: /* synchronous execution */
3403 break;
3404 default: /* invalid mode */
3405 errno = EINVAL;
3406 ret = -1;
3407 goto RETVAL;
3408 }
3409 memset(&StartupInfo,0,sizeof(StartupInfo));
3410 StartupInfo.cb = sizeof(StartupInfo);
f83751a7 3411 memset(&tbl,0,sizeof(tbl));
635bbe87 3412 PerlEnv_get_child_IO(&tbl);
f83751a7
GS
3413 StartupInfo.dwFlags = tbl.dwFlags;
3414 StartupInfo.dwX = tbl.dwX;
3415 StartupInfo.dwY = tbl.dwY;
3416 StartupInfo.dwXSize = tbl.dwXSize;
3417 StartupInfo.dwYSize = tbl.dwYSize;
3418 StartupInfo.dwXCountChars = tbl.dwXCountChars;
3419 StartupInfo.dwYCountChars = tbl.dwYCountChars;
3420 StartupInfo.dwFillAttribute = tbl.dwFillAttribute;
3421 StartupInfo.wShowWindow = tbl.wShowWindow;
3422 StartupInfo.hStdInput = tbl.childStdIn;
3423 StartupInfo.hStdOutput = tbl.childStdOut;
3424 StartupInfo.hStdError = tbl.childStdErr;
3ffaa937
GS
3425 if (StartupInfo.hStdInput != INVALID_HANDLE_VALUE &&
3426 StartupInfo.hStdOutput != INVALID_HANDLE_VALUE &&
3427 StartupInfo.hStdError != INVALID_HANDLE_VALUE)
3428 {
3429 StartupInfo.dwFlags |= STARTF_USESTDHANDLES;
3430 }
3431 else {
3432 create |= CREATE_NEW_CONSOLE;
3433 }
3434
b309b8ae
JH
3435 DEBUG_p(PerlIO_printf(Perl_debug_log, "Spawning [%s] with [%s]\n",
3436 cmdname,cmd));
0aaad0ff
GS
3437RETRY:
3438 if (!CreateProcess(cmdname, /* search PATH to find executable */
3439 cmd, /* executable, and its arguments */
3440 NULL, /* process attributes */
3441 NULL, /* thread attributes */
3442 TRUE, /* inherit handles */
3443 create, /* creation flags */
3075ddba
GS
3444 (LPVOID)env, /* inherit environment */
3445 dir, /* inherit cwd */
0aaad0ff
GS
3446 &StartupInfo,
3447 &ProcessInformation))
3448 {
3449 /* initial NULL argument to CreateProcess() does a PATH
3450 * search, but it always first looks in the directory
3451 * where the current process was started, which behavior
3452 * is undesirable for backward compatibility. So we
3453 * jump through our own hoops by picking out the path
3454 * we really want it to use. */
3455 if (!fullcmd) {
3456 fullcmd = qualified_path(cmdname);
3457 if (fullcmd) {
3458 cmdname = fullcmd;
b309b8ae
JH
3459 DEBUG_p(PerlIO_printf(Perl_debug_log,
3460 "Retrying [%s] with same args\n",
3461 cmdname));
0aaad0ff
GS
3462 goto RETRY;
3463 }
3464 }
3465 errno = ENOENT;
3466 ret = -1;
3467 goto RETVAL;
3468 }
2d7a9237 3469
0aaad0ff
GS
3470 if (mode == P_NOWAIT) {
3471 /* asynchronous spawn -- store handle, return PID */
2b260de0 3472 ret = (int)ProcessInformation.dwProcessId;
922b1888
GS
3473 if (IsWin95() && ret < 0)
3474 ret = -ret;
3475
3476 w32_child_handles[w32_num_children] = ProcessInformation.hProcess;
3477 w32_child_pids[w32_num_children] = (DWORD)ret;
0aaad0ff
GS
3478 ++w32_num_children;
3479 }
3480 else {
2b260de0 3481 DWORD status;
0aaad0ff 3482 WaitForSingleObject(ProcessInformation.hProcess, INFINITE);
2b260de0
GS
3483 GetExitCodeProcess(ProcessInformation.hProcess, &status);
3484 ret = (int)status;
0aaad0ff
GS
3485 CloseHandle(ProcessInformation.hProcess);
3486 }
e17cb2a9 3487
0aaad0ff 3488 CloseHandle(ProcessInformation.hThread);
3075ddba 3489
0aaad0ff 3490RETVAL:
3075ddba
GS
3491 PerlEnv_free_childenv(env);
3492 PerlEnv_free_childdir(dir);
0aaad0ff
GS
3493 Safefree(cmd);
3494 Safefree(fullcmd);
2b260de0 3495 return ret;
2d7a9237 3496#endif
0a753a76
PP
3497}
3498
6890e559 3499DllExport int
eb62e965
JD
3500win32_execv(const char *cmdname, const char *const *argv)
3501{
7766f137 3502#ifdef USE_ITHREADS
acfe0abc 3503 dTHX;
7766f137
GS
3504 /* if this is a pseudo-forked child, we just want to spawn
3505 * the new program, and return */
3506 if (w32_pseudo_id)
3507 return spawnv(P_WAIT, cmdname, (char *const *)argv);
3508#endif
eb62e965
JD
3509 return execv(cmdname, (char *const *)argv);
3510}
3511
3512DllExport int
6890e559
GS
3513win32_execvp(const char *cmdname, const char *const *argv)
3514{
7766f137 3515#ifdef USE_ITHREADS
acfe0abc 3516 dTHX;
7766f137
GS
3517 /* if this is a pseudo-forked child, we just want to spawn
3518 * the new program, and return */
190e4ad0 3519 if (w32_pseudo_id) {
ba6ce41c
GS
3520 int status = win32_spawnvp(P_WAIT, cmdname, (char *const *)argv);
3521 if (status != -1) {
3522 my_exit(status);
3523 return 0;
3524 }
3525 else
3526 return status;
190e4ad0 3527 }
7766f137 3528#endif
390b85e7 3529 return execvp(cmdname, (char *const *)argv);
6890e559
GS
3530}
3531
84902520
TB
3532DllExport void
3533win32_perror(const char *str)
3534{
390b85e7 3535 perror(str);
84902520
TB
3536}
3537
3538DllExport void
3539win32_setbuf(FILE *pf, char *buf)
3540{
390b85e7 3541 setbuf(pf, buf);
84902520
TB
3542}
3543
3544DllExport int
3545win32_setvbuf(FILE *pf, char *buf, int type, size_t size)
3546{
390b85e7 3547 return setvbuf(pf, buf, type, size);
84902520
TB
3548}
3549
3550DllExport int
3551win32_flushall(void)
3552{
390b85e7 3553 return flushall();
84902520
TB
3554}
3555
3556DllExport int
3557win32_fcloseall(void)
3558{
390b85e7 3559 return fcloseall();
84902520
TB
3560}
3561
3562DllExport char*
3563win32_fgets(char *s, int n, FILE *pf)
3564{
390b85e7 3565 return fgets(s, n, pf);
84902520
TB
3566}
3567
3568DllExport char*
3569win32_gets(char *s)
3570{
390b85e7 3571 return gets(s);
84902520
TB
3572}
3573
3574DllExport int
3575win32_fgetc(FILE *pf)
3576{
390b85e7 3577 return fgetc(pf);
84902520
TB
3578}
3579
3580DllExport int
3581win32_putc(int c, FILE *pf)
3582{
390b85e7 3583 return putc(c,pf);
84902520
TB
3584}
3585
3586DllExport int
3587win32_puts(const char *s)
3588{
390b85e7 3589 return puts(s);
84902520
TB
3590}
3591
3592DllExport int
3593win32_getchar(void)
3594{
390b85e7 3595 return getchar();
84902520
TB
3596}
3597
3598DllExport int
3599win32_putchar(int c)
3600{
390b85e7 3601 return putchar(c);
84902520
TB
3602}
3603
bbc8f9de
NIS
3604#ifdef MYMALLOC
3605
3606#ifndef USE_PERL_SBRK
3607
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JH
3608static char *committed = NULL; /* XXX threadead */
3609static char *base = NULL; /* XXX threadead */
3610static char *reserved = NULL; /* XXX threadead */
3611static char *brk = NULL; /* XXX threadead */
3612static DWORD pagesize = 0; /* XXX threadead */
3613static DWORD allocsize = 0; /* XXX threadead */
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NIS
3614
3615void *
3616sbrk(int need)
3617{
3618 void *result;
3619 if (!pagesize)
3620 {SYSTEM_INFO info;
3621 GetSystemInfo(&info);
3622 /* Pretend page size is larger so we don't perpetually
3623 * call the OS to commit just one page ...
3624 */
3625 pagesize = info.dwPageSize << 3;
3626 allocsize = info.dwAllocationGranularity;
3627 }
3628 /* This scheme fails eventually if request for contiguous
3629 * block is denied so reserve big blocks - this is only
3630 * address space not memory ...
3631 */
3632 if (brk+need >= reserved)
3633 {
3634 DWORD size = 64*1024*1024;
3635 char *addr;
3636 if (committed && reserved && committed < reserved)
3637 {
3638 /* Commit last of previous chunk cannot span allocations */
161b471a 3639 addr = (char *) VirtualAlloc(committed,reserved-committed,MEM_COMMIT,PAGE_READWRITE);
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NIS
3640 if (addr)
3641 committed = reserved;
3642 }
3643 /* Reserve some (more) space
3644 * Note this is a little sneaky, 1st call passes NULL as reserved
3645 * so lets system choose where we start, subsequent calls pass
3646 * the old end address so ask for a contiguous block
3647 */
161b471a 3648 addr = (char *) VirtualAlloc(reserved,size,MEM_RESERVE,PAGE_NOACCESS);
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NIS
3649 if (addr)
3650 {
3651 reserved = addr+size;
3652 if (!base)
3653 base = addr;
3654 if (!committed)
3655 committed = base;