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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 */
3da9a137 10#define PERLIO_NOT_STDIO 0
0a753a76
PP
11#define WIN32_LEAN_AND_MEAN
12#define WIN32IO_IS_STDIO
13#include <tchar.h>
a835ef8a
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14#ifdef __GNUC__
15#define Win32_Winsock
16#endif
0a753a76 17#include <windows.h>
f8fb7c90
GS
18#ifndef __MINGW32__ /* GCC/Mingw32-2.95.2 forgot the WINAPI on CommandLineToArgvW() */
19# include <shellapi.h>
20#else
21 LPWSTR* WINAPI CommandLineToArgvW(LPCWSTR lpCommandLine, int * pNumArgs);
22#endif
5db10396
GS
23#include <winnt.h>
24#include <io.h>
c843839f 25#include <signal.h>
0a753a76 26
68dc0745 27/* #include "config.h" */
0a753a76 28
0a753a76
PP
29#if !defined(PERLIO_IS_STDIO) && !defined(USE_SFIO)
30#define PerlIO FILE
31#endif
32
7a9ec5a3 33#include <sys/stat.h>
0a753a76
PP
34#include "EXTERN.h"
35#include "perl.h"
c69f6586
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36
37#define NO_XSLOCKS
c5be433b 38#define PERL_NO_GET_CONTEXT
ad2e33dc 39#include "XSUB.h"
c69f6586
GS
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
GS
101static void remove_dead_process(long deceased);
102static long find_pid(int pid);
103static char * qualified_path(const char *cmd);
4ea817c6
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104static char * win32_get_xlib(const char *pl, const char *xlib,
105 const char *libname);
106
7766f137
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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
GS
133EXTERN_C void
134set_w32_module_name(void)
135{
136 char* ptr;
137 GetModuleFileName((HMODULE)((w32_perldll_handle == INVALID_HANDLE_VALUE)
138 ? GetModuleHandle(NULL)
139 : w32_perldll_handle),
140 w32_module_name, sizeof(w32_module_name));
141
142 /* try to get full path to binary (which may be mangled when perl is
143 * run from a 16-bit app) */
144 /*PerlIO_printf(Perl_debug_log, "Before %s\n", w32_module_name);*/
145 (void)win32_longpath(w32_module_name);
146 /*PerlIO_printf(Perl_debug_log, "After %s\n", w32_module_name);*/
147
148 /* normalize to forward slashes */
149 ptr = w32_module_name;
150 while (*ptr) {
151 if (*ptr == '\\')
152 *ptr = '/';
153 ++ptr;
154 }
155}
156
c5be433b 157/* *svp (if non-NULL) is expected to be POK (valid allocated SvPVX(*svp)) */
51371543 158static char*
c5be433b 159get_regstr_from(HKEY hkey, const char *valuename, SV **svp)
349ad1fe
GS
160{
161 /* Retrieve a REG_SZ or REG_EXPAND_SZ from the registry */
00dc2f4f
GS
162 HKEY handle;
163 DWORD type;
164 const char *subkey = "Software\\Perl";
349ad1fe 165 char *str = Nullch;
00dc2f4f
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
GS
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
4ea817c6
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
dd7038b3
JH
589/* returns pointer to the next unquoted space or the end of the string */
590static char*
591find_next_space(const char *s)
592{
593 bool in_quotes = FALSE;
594 while (*s) {
595 /* ignore doubled backslashes, or backslash+quote */
596 if (*s == '\\' && (s[1] == '\\' || s[1] == '"')) {
597 s += 2;
598 }
599 /* keep track of when we're within quotes */
600 else if (*s == '"') {
601 s++;
602 in_quotes = !in_quotes;
603 }
604 /* break it up only at spaces that aren't in quotes */
605 else if (!in_quotes && isSPACE(*s))
606 return (char*)s;
607 else
608 s++;
609 }
610 return (char*)s;
611}
612
c69f6586 613int
c5be433b 614do_spawn2(char *cmd, int exectype)
68dc0745 615{
acfe0abc 616 dTHX;
68dc0745
PP
617 char **a;
618 char *s;
619 char **argv;
620 int status = -1;
621 BOOL needToTry = TRUE;
2d7a9237 622 char *cmd2;
68dc0745 623
2d7a9237
GS
624 /* Save an extra exec if possible. See if there are shell
625 * metacharacters in it */
e200fe59 626 if (!has_shell_metachars(cmd)) {
fc36a67e
PP
627 New(1301,argv, strlen(cmd) / 2 + 2, char*);
628 New(1302,cmd2, strlen(cmd) + 1, char);
68dc0745
PP
629 strcpy(cmd2, cmd);
630 a = argv;
631 for (s = cmd2; *s;) {
de030af3 632 while (*s && isSPACE(*s))
68dc0745
PP
633 s++;
634 if (*s)
635 *(a++) = s;
dd7038b3 636 s = find_next_space(s);
9404a519 637 if (*s)
68dc0745 638 *s++ = '\0';
0a753a76 639 }
68dc0745 640 *a = Nullch;
ce1da67e 641 if (argv[0]) {
6890e559
GS
642 switch (exectype) {
643 case EXECF_SPAWN:
644 status = win32_spawnvp(P_WAIT, argv[0],
645 (const char* const*)argv);
646 break;
647 case EXECF_SPAWN_NOWAIT:
648 status = win32_spawnvp(P_NOWAIT, argv[0],
649 (const char* const*)argv);
650 break;
651 case EXECF_EXEC:
652 status = win32_execvp(argv[0], (const char* const*)argv);
653 break;
654 }
2d7a9237 655 if (status != -1 || errno == 0)
68dc0745 656 needToTry = FALSE;
0a753a76 657 }
0a753a76 658 Safefree(argv);
68dc0745
PP
659 Safefree(cmd2);
660 }
2d7a9237 661 if (needToTry) {
ce1da67e
GS
662 char **argv;
663 int i = -1;
664 get_shell();
665 New(1306, argv, w32_perlshell_items + 2, char*);
666 while (++i < w32_perlshell_items)
667 argv[i] = w32_perlshell_vec[i];
2d7a9237
GS
668 argv[i++] = cmd;
669 argv[i] = Nullch;
6890e559
GS
670 switch (exectype) {
671 case EXECF_SPAWN:
672 status = win32_spawnvp(P_WAIT, argv[0],
673 (const char* const*)argv);
674 break;
675 case EXECF_SPAWN_NOWAIT:
676 status = win32_spawnvp(P_NOWAIT, argv[0],
677 (const char* const*)argv);
678 break;
679 case EXECF_EXEC:
680 status = win32_execvp(argv[0], (const char* const*)argv);
681 break;
682 }
ce1da67e
GS
683 cmd = argv[0];
684 Safefree(argv);
68dc0745 685 }
922b1888
GS
686 if (exectype == EXECF_SPAWN_NOWAIT) {
687 if (IsWin95())
688 PL_statusvalue = -1; /* >16bits hint for pp_system() */
689 }
690 else {
50892819 691 if (status < 0) {
0453d815
PM
692 if (ckWARN(WARN_EXEC))
693 Perl_warner(aTHX_ WARN_EXEC, "Can't %s \"%s\": %s",
50892819
GS
694 (exectype == EXECF_EXEC ? "exec" : "spawn"),
695 cmd, strerror(errno));
696 status = 255 * 256;
697 }
698 else
699 status *= 256;
b28d0864 700 PL_statusvalue = status;
5aabfad6 701 }
50892819 702 return (status);
0a753a76
PP
703}
704
6890e559 705int
c5be433b 706do_spawn(char *cmd)
6890e559 707{
c5be433b 708 return do_spawn2(cmd, EXECF_SPAWN);
6890e559
GS
709}
710
2d7a9237 711int
c5be433b 712do_spawn_nowait(char *cmd)
2d7a9237 713{
c5be433b 714 return do_spawn2(cmd, EXECF_SPAWN_NOWAIT);
2d7a9237
GS
715}
716
6890e559 717bool
4f63d024 718Perl_do_exec(pTHX_ char *cmd)
6890e559 719{
c5be433b 720 do_spawn2(cmd, EXECF_EXEC);
6890e559
GS
721 return FALSE;
722}
723
68dc0745
PP
724/* The idea here is to read all the directory names into a string table
725 * (separated by nulls) and when one of the other dir functions is called
726 * return the pointer to the current file name.
727 */
c5be433b 728DllExport DIR *
ce2e26e5 729win32_opendir(char *filename)
0a753a76 730{
acfe0abc 731 dTHX;
95136add 732 DIR *dirp;
9404a519
GS
733 long len;
734 long idx;
735 char scanname[MAX_PATH+3];
736 struct stat sbuf;
7fac1903
GS
737 WIN32_FIND_DATAA aFindData;
738 WIN32_FIND_DATAW wFindData;
9404a519 739 HANDLE fh;
7fac1903 740 char buffer[MAX_PATH*2];
82867ecf 741 WCHAR wbuffer[MAX_PATH+1];
95136add 742 char* ptr;
9404a519
GS
743
744 len = strlen(filename);
745 if (len > MAX_PATH)
746 return NULL;
68dc0745
PP
747
748 /* check to see if filename is a directory */
69d3ab13 749 if (win32_stat(filename, &sbuf) < 0 || !S_ISDIR(sbuf.st_mode))
24caa93f 750 return NULL;
68dc0745 751
68dc0745 752 /* Get us a DIR structure */
95136add 753 Newz(1303, dirp, 1, DIR);
68dc0745
PP
754
755 /* Create the search pattern */
756 strcpy(scanname, filename);
23db2e2d
GS
757
758 /* bare drive name means look in cwd for drive */
759 if (len == 2 && isALPHA(scanname[0]) && scanname[1] == ':') {
760 scanname[len++] = '.';
761 scanname[len++] = '/';
762 }
763 else if (scanname[len-1] != '/' && scanname[len-1] != '\\') {
9404a519 764 scanname[len++] = '/';
23db2e2d 765 }
9404a519
GS
766 scanname[len++] = '*';
767 scanname[len] = '\0';
68dc0745
PP
768
769 /* do the FindFirstFile call */
7fac1903 770 if (USING_WIDE()) {
0cb96387 771 A2WHELPER(scanname, wbuffer, sizeof(wbuffer));
7766f137 772 fh = FindFirstFileW(PerlDir_mapW(wbuffer), &wFindData);
7fac1903
GS
773 }
774 else {
7766f137 775 fh = FindFirstFileA(PerlDir_mapA(scanname), &aFindData);
7fac1903 776 }
95136add 777 dirp->handle = fh;
9404a519 778 if (fh == INVALID_HANDLE_VALUE) {
95136add 779 DWORD err = GetLastError();
21e72512 780 /* FindFirstFile() fails on empty drives! */
95136add
GS
781 switch (err) {
782 case ERROR_FILE_NOT_FOUND:
783 return dirp;
784 case ERROR_NO_MORE_FILES:
785 case ERROR_PATH_NOT_FOUND:
786 errno = ENOENT;
787 break;
788 case ERROR_NOT_ENOUGH_MEMORY:
789 errno = ENOMEM;
790 break;
791 default:
792 errno = EINVAL;
793 break;
794 }
795 Safefree(dirp);
68dc0745
PP
796 return NULL;
797 }
798
799 /* now allocate the first part of the string table for
800 * the filenames that we find.
801 */
7fac1903 802 if (USING_WIDE()) {
0cb96387 803 W2AHELPER(wFindData.cFileName, buffer, sizeof(buffer));
7fac1903
GS
804 ptr = buffer;
805 }
806 else {
807 ptr = aFindData.cFileName;
808 }
809 idx = strlen(ptr)+1;
95136add
GS
810 if (idx < 256)
811 dirp->size = 128;
812 else
813 dirp->size = idx;
814 New(1304, dirp->start, dirp->size, char);
815 strcpy(dirp->start, ptr);
816 dirp->nfiles++;
817 dirp->end = dirp->curr = dirp->start;
818 dirp->end += idx;
819 return dirp;
0a753a76
PP
820}
821
822
68dc0745
PP
823/* Readdir just returns the current string pointer and bumps the
824 * string pointer to the nDllExport entry.
825 */
c5be433b 826DllExport struct direct *
ce2e26e5 827win32_readdir(DIR *dirp)
0a753a76 828{
95136add 829 long len;
0a753a76 830
68dc0745
PP
831 if (dirp->curr) {
832 /* first set up the structure to return */
833 len = strlen(dirp->curr);
0f38926b 834 strcpy(dirp->dirstr.d_name, dirp->curr);
68dc0745 835 dirp->dirstr.d_namlen = len;
0a753a76 836
68dc0745 837 /* Fake an inode */
0f38926b 838 dirp->dirstr.d_ino = dirp->curr - dirp->start;
0a753a76 839
95136add 840 /* Now set up for the next call to readdir */
68dc0745 841 dirp->curr += len + 1;
95136add 842 if (dirp->curr >= dirp->end) {
acfe0abc 843 dTHX;
95136add
GS
844 char* ptr;
845 BOOL res;
846 WIN32_FIND_DATAW wFindData;
847 WIN32_FIND_DATAA aFindData;
848 char buffer[MAX_PATH*2];
849
850 /* finding the next file that matches the wildcard
851 * (which should be all of them in this directory!).
95136add
GS
852 */
853 if (USING_WIDE()) {
854 res = FindNextFileW(dirp->handle, &wFindData);
855 if (res) {
856 W2AHELPER(wFindData.cFileName, buffer, sizeof(buffer));
857 ptr = buffer;
858 }
859 }
860 else {
861 res = FindNextFileA(dirp->handle, &aFindData);
862 if (res)
863 ptr = aFindData.cFileName;
864 }
865 if (res) {
0f38926b
GS
866 long endpos = dirp->end - dirp->start;
867 long newsize = endpos + strlen(ptr) + 1;
95136add 868 /* bump the string table size by enough for the
022735b4 869 * new name and its null terminator */
0f38926b
GS
870 while (newsize > dirp->size) {
871 long curpos = dirp->curr - dirp->start;
95136add
GS
872 dirp->size *= 2;
873 Renew(dirp->start, dirp->size, char);
0f38926b 874 dirp->curr = dirp->start + curpos;
95136add 875 }
0f38926b
GS
876 strcpy(dirp->start + endpos, ptr);
877 dirp->end = dirp->start + newsize;
95136add
GS
878 dirp->nfiles++;
879 }
880 else
881 dirp->curr = NULL;
68dc0745 882 }
68dc0745
PP
883 return &(dirp->dirstr);
884 }
885 else
886 return NULL;
0a753a76
PP
887}
888
68dc0745 889/* Telldir returns the current string pointer position */
c5be433b 890DllExport long
ce2e26e5 891win32_telldir(DIR *dirp)
0a753a76 892{
95136add 893 return (dirp->curr - dirp->start);
0a753a76
PP
894}
895
896
68dc0745 897/* Seekdir moves the string pointer to a previously saved position
95136add 898 * (returned by telldir).
68dc0745 899 */
c5be433b 900DllExport void
ce2e26e5 901win32_seekdir(DIR *dirp, long loc)
0a753a76 902{
95136add 903 dirp->curr = dirp->start + loc;
0a753a76
PP
904}
905
68dc0745 906/* Rewinddir resets the string pointer to the start */
c5be433b 907DllExport void
ce2e26e5 908win32_rewinddir(DIR *dirp)
0a753a76
PP
909{
910 dirp->curr = dirp->start;
911}
912
68dc0745 913/* free the memory allocated by opendir */
c5be433b 914DllExport int
ce2e26e5 915win32_closedir(DIR *dirp)
0a753a76 916{
acfe0abc 917 dTHX;
95136add 918 if (dirp->handle != INVALID_HANDLE_VALUE)
0f38926b 919 FindClose(dirp->handle);
0a753a76
PP
920 Safefree(dirp->start);
921 Safefree(dirp);
68dc0745 922 return 1;
0a753a76
PP
923}
924
925
68dc0745
PP
926/*
927 * various stubs
928 */
0a753a76
PP
929
930
68dc0745
PP
931/* Ownership
932 *
933 * Just pretend that everyone is a superuser. NT will let us know if
934 * we don\'t really have permission to do something.
935 */
0a753a76
PP
936
937#define ROOT_UID ((uid_t)0)
938#define ROOT_GID ((gid_t)0)
939
68dc0745
PP
940uid_t
941getuid(void)
0a753a76 942{
68dc0745 943 return ROOT_UID;
0a753a76
PP
944}
945
68dc0745
PP
946uid_t
947geteuid(void)
0a753a76 948{
68dc0745 949 return ROOT_UID;
0a753a76
PP
950}
951
68dc0745
PP
952gid_t
953getgid(void)
0a753a76 954{
68dc0745 955 return ROOT_GID;
0a753a76
PP
956}
957
68dc0745
PP
958gid_t
959getegid(void)
0a753a76 960{
68dc0745 961 return ROOT_GID;
0a753a76
PP
962}
963
68dc0745 964int
22239a37 965setuid(uid_t auid)
0a753a76 966{
22239a37 967 return (auid == ROOT_UID ? 0 : -1);
0a753a76
PP
968}
969
68dc0745 970int
22239a37 971setgid(gid_t agid)
0a753a76 972{
22239a37 973 return (agid == ROOT_GID ? 0 : -1);
0a753a76
PP
974}
975
e34ffe5a
GS
976char *
977getlogin(void)
978{
acfe0abc 979 dTHX;
3352bfcb
GS
980 char *buf = w32_getlogin_buffer;
981 DWORD size = sizeof(w32_getlogin_buffer);
e34ffe5a
GS
982 if (GetUserName(buf,&size))
983 return buf;
984 return (char*)NULL;
985}
986
b990f8c8
GS
987int
988chown(const char *path, uid_t owner, gid_t group)
989{
990 /* XXX noop */
1c1c7f20 991 return 0;
b990f8c8
GS
992}
993
00b02797
JH
994/*
995 * XXX this needs strengthening (for PerlIO)
996 * -- BKS, 11-11-200
997*/
998int mkstemp(const char *path)
999{
1000 dTHX;
1001 char buf[MAX_PATH+1];
1002 int i = 0, fd = -1;
1003
1004retry:
1005 if (i++ > 10) { /* give up */
1006 errno = ENOENT;
1007 return -1;
1008 }
1009 if (!GetTempFileNameA((LPCSTR)path, "plr", 1, buf)) {
1010 errno = ENOENT;
1011 return -1;
1012 }
1013 fd = PerlLIO_open3(buf, O_CREAT|O_RDWR|O_EXCL, 0600);
1014 if (fd == -1)
1015 goto retry;
1016 return fd;
1017}
1018
0aaad0ff
GS
1019static long
1020find_pid(int pid)
0a753a76 1021{
acfe0abc 1022 dTHX;
7766f137
GS
1023 long child = w32_num_children;
1024 while (--child >= 0) {
0aaad0ff
GS
1025 if (w32_child_pids[child] == pid)
1026 return child;
1027 }
1028 return -1;
1029}
1030
1031static void
1032remove_dead_process(long child)
1033{
1034 if (child >= 0) {
acfe0abc 1035 dTHX;
0aaad0ff 1036 CloseHandle(w32_child_handles[child]);
c00206c8 1037 Move(&w32_child_handles[child+1], &w32_child_handles[child],
0aaad0ff 1038 (w32_num_children-child-1), HANDLE);
c00206c8 1039 Move(&w32_child_pids[child+1], &w32_child_pids[child],
0aaad0ff
GS
1040 (w32_num_children-child-1), DWORD);
1041 w32_num_children--;
f55ee38a 1042 }
f55ee38a
GS
1043}
1044
7766f137
GS
1045#ifdef USE_ITHREADS
1046static long
1047find_pseudo_pid(int pid)
1048{
acfe0abc 1049 dTHX;
7766f137
GS
1050 long child = w32_num_pseudo_children;
1051 while (--child >= 0) {
1052 if (w32_pseudo_child_pids[child] == pid)
1053 return child;
1054 }
1055 return -1;
1056}
1057
1058static void
1059remove_dead_pseudo_process(long child)
1060{
1061 if (child >= 0) {
acfe0abc 1062 dTHX;
7766f137 1063 CloseHandle(w32_pseudo_child_handles[child]);
c00206c8 1064 Move(&w32_pseudo_child_handles[child+1], &w32_pseudo_child_handles[child],
7766f137 1065 (w32_num_pseudo_children-child-1), HANDLE);
c00206c8 1066 Move(&w32_pseudo_child_pids[child+1], &w32_pseudo_child_pids[child],
7766f137
GS
1067 (w32_num_pseudo_children-child-1), DWORD);
1068 w32_num_pseudo_children--;
1069 }
1070}
1071#endif
1072
f55ee38a
GS
1073DllExport int
1074win32_kill(int pid, int sig)
1075{
acfe0abc 1076 dTHX;
0aaad0ff 1077 HANDLE hProcess;
c66b022d 1078 long child;
7766f137
GS
1079#ifdef USE_ITHREADS
1080 if (pid < 0) {
1081 /* it is a pseudo-forked child */
c66b022d 1082 child = find_pseudo_pid(-pid);
7766f137
GS
1083 if (child >= 0) {
1084 hProcess = w32_pseudo_child_handles[child];
7e5f34c0
NIS
1085 switch (sig) {
1086 case 0:
c843839f 1087 /* "Does process exist?" use of kill */
7766f137 1088 return 0;
7e5f34c0
NIS
1089 case 9:
1090 /* kill -9 style un-graceful exit */
1091 if (TerminateThread(hProcess, sig)) {
1092 remove_dead_pseudo_process(child);
1093 return 0;
1094 }
1095 break;
1096 default:
c843839f 1097 /* We fake signals to pseudo-processes using Win32 message queue */
7e5f34c0
NIS
1098 if (PostThreadMessage(-pid,WM_USER,sig,0)) {
1099 /* It might be us ... */
1100 PERL_ASYNC_CHECK();
1101 return 0;
1102 }
1103 break;
1104 }
7766f137 1105 }
922b1888
GS
1106 else if (IsWin95()) {
1107 pid = -pid;
1108 goto alien_process;
1109 }
68dc0745 1110 }
7766f137
GS
1111 else
1112#endif
1113 {
c66b022d 1114 child = find_pid(pid);
7766f137 1115 if (child >= 0) {
7e5f34c0
NIS
1116 hProcess = w32_child_handles[child];
1117 switch(sig) {
1118 case 0:
c843839f 1119 /* "Does process exist?" use of kill */
7766f137 1120 return 0;
7e5f34c0
NIS
1121 case 2:
1122 if (GenerateConsoleCtrlEvent(CTRL_C_EVENT,pid))
1123 return 0;
1124 break;
c843839f 1125 default: /* For now be backwards compatible with perl5.6 */
7e5f34c0
NIS
1126 case 9:
1127 if (TerminateProcess(hProcess, sig)) {
1128 remove_dead_process(child);
1129 return 0;
1130 }
1131 break;
1132 }
7766f137
GS
1133 }
1134 else {
922b1888
GS
1135alien_process:
1136 hProcess = OpenProcess(PROCESS_ALL_ACCESS, TRUE,
1137 (IsWin95() ? -pid : pid));
42b8b86c 1138 if (hProcess) {
7e5f34c0
NIS
1139 switch(sig) {
1140 case 0:
c843839f 1141 /* "Does process exist?" use of kill */
42b8b86c 1142 return 0;
7e5f34c0
NIS
1143 case 2:
1144 if (GenerateConsoleCtrlEvent(CTRL_C_EVENT,pid))
1145 return 0;
1146 break;
c843839f 1147 default: /* For now be backwards compatible with perl5.6 */
7e5f34c0
NIS
1148 case 9:
1149 if (TerminateProcess(hProcess, sig)) {
1150 CloseHandle(hProcess);
1151 return 0;
1152 }
42b8b86c 1153 }
7766f137
GS
1154 }
1155 }
1156 }
1157 errno = EINVAL;
1158 return -1;
0a753a76 1159}
fbbbcc48 1160
68dc0745 1161DllExport int
426c1a18 1162win32_stat(const char *path, struct stat *sbuf)
0a753a76 1163{
acfe0abc 1164 dTHX;
426c1a18 1165 char buffer[MAX_PATH+1];
68dc0745 1166 int l = strlen(path);
67fbe06e 1167 int res;
82867ecf 1168 WCHAR wbuffer[MAX_PATH+1];
e9ff6d27 1169 WCHAR* pwbuffer;
6b980173
JD
1170 HANDLE handle;
1171 int nlink = 1;
0a753a76 1172
68dc0745
PP
1173 if (l > 1) {
1174 switch(path[l - 1]) {
e1dbac94
GS
1175 /* FindFirstFile() and stat() are buggy with a trailing
1176 * backslash, so change it to a forward slash :-( */
68dc0745 1177 case '\\':
426c1a18
GS
1178 strncpy(buffer, path, l-1);
1179 buffer[l - 1] = '/';
1180 buffer[l] = '\0';
1181 path = buffer;
e1dbac94 1182 break;
23db2e2d 1183 /* FindFirstFile() is buggy with "x:", so add a dot :-( */
e1dbac94
GS
1184 case ':':
1185 if (l == 2 && isALPHA(path[0])) {
426c1a18
GS
1186 buffer[0] = path[0];
1187 buffer[1] = ':';
1188 buffer[2] = '.';
1189 buffer[3] = '\0';
e1dbac94 1190 l = 3;
426c1a18 1191 path = buffer;
e1dbac94
GS
1192 }
1193 break;
68dc0745
PP
1194 }
1195 }
6b980173
JD
1196
1197 /* We *must* open & close the file once; otherwise file attribute changes */
1198 /* might not yet have propagated to "other" hard links of the same file. */
1199 /* This also gives us an opportunity to determine the number of links. */
7fac1903 1200 if (USING_WIDE()) {
0cb96387 1201 A2WHELPER(path, wbuffer, sizeof(wbuffer));
e9ff6d27
GS
1202 pwbuffer = PerlDir_mapW(wbuffer);
1203 handle = CreateFileW(pwbuffer, 0, 0, NULL, OPEN_EXISTING, 0, NULL);
7fac1903
GS
1204 }
1205 else {
e9ff6d27
GS
1206 path = PerlDir_mapA(path);
1207 l = strlen(path);
1208 handle = CreateFileA(path, 0, 0, NULL, OPEN_EXISTING, 0, NULL);
6b980173
JD
1209 }
1210 if (handle != INVALID_HANDLE_VALUE) {
1211 BY_HANDLE_FILE_INFORMATION bhi;
1212 if (GetFileInformationByHandle(handle, &bhi))
1213 nlink = bhi.nNumberOfLinks;
1214 CloseHandle(handle);
7fac1903 1215 }
6b980173 1216
e9ff6d27 1217 /* pwbuffer or path will be mapped correctly above */
7766f137 1218 if (USING_WIDE()) {
e9ff6d27 1219 res = _wstat(pwbuffer, (struct _stat *)sbuf);
7766f137
GS
1220 }
1221 else {
e9ff6d27 1222 res = stat(path, sbuf);
7766f137 1223 }
426c1a18 1224 sbuf->st_nlink = nlink;
6b980173 1225
24caa93f
GS
1226 if (res < 0) {
1227 /* CRT is buggy on sharenames, so make sure it really isn't.
1228 * XXX using GetFileAttributesEx() will enable us to set
426c1a18 1229 * sbuf->st_*time (but note that's not available on the
24caa93f 1230 * Windows of 1995) */
7fac1903
GS
1231 DWORD r;
1232 if (USING_WIDE()) {
e9ff6d27 1233 r = GetFileAttributesW(pwbuffer);
7fac1903
GS
1234 }
1235 else {
e9ff6d27 1236 r = GetFileAttributesA(path);
7fac1903 1237 }
24caa93f 1238 if (r != 0xffffffff && (r & FILE_ATTRIBUTE_DIRECTORY)) {
426c1a18
GS
1239 /* sbuf may still contain old garbage since stat() failed */
1240 Zero(sbuf, 1, struct stat);
1241 sbuf->st_mode = S_IFDIR | S_IREAD;
24caa93f
GS
1242 errno = 0;
1243 if (!(r & FILE_ATTRIBUTE_READONLY))
426c1a18 1244 sbuf->st_mode |= S_IWRITE | S_IEXEC;
24caa93f
GS
1245 return 0;
1246 }
1247 }
24caa93f 1248 else {
e1dbac94
GS
1249 if (l == 3 && isALPHA(path[0]) && path[1] == ':'
1250 && (path[2] == '\\' || path[2] == '/'))
2293b0e9
AB
1251 {
1252 /* The drive can be inaccessible, some _stat()s are buggy */
7fac1903 1253 if (USING_WIDE()
e9ff6d27
GS
1254 ? !GetVolumeInformationW(pwbuffer,NULL,0,NULL,NULL,NULL,NULL,0)
1255 : !GetVolumeInformationA(path,NULL,0,NULL,NULL,NULL,NULL,0)) {
2293b0e9
AB
1256 errno = ENOENT;
1257 return -1;
1258 }
1259 }
1260#ifdef __BORLANDC__
426c1a18
GS
1261 if (S_ISDIR(sbuf->st_mode))
1262 sbuf->st_mode |= S_IWRITE | S_IEXEC;
1263 else if (S_ISREG(sbuf->st_mode)) {
d0650a05 1264 int perms;
67fbe06e
GS
1265 if (l >= 4 && path[l-4] == '.') {
1266 const char *e = path + l - 3;
1267 if (strnicmp(e,"exe",3)
1268 && strnicmp(e,"bat",3)
1269 && strnicmp(e,"com",3)
1270 && (IsWin95() || strnicmp(e,"cmd",3)))
426c1a18 1271 sbuf->st_mode &= ~S_IEXEC;
67fbe06e 1272 else
426c1a18 1273 sbuf->st_mode |= S_IEXEC;
67fbe06e
GS
1274 }
1275 else
426c1a18 1276 sbuf->st_mode &= ~S_IEXEC;
d0650a05
GS
1277 /* Propagate permissions to _group_ and _others_ */
1278 perms = sbuf->st_mode & (S_IREAD|S_IWRITE|S_IEXEC);
1279 sbuf->st_mode |= (perms>>3) | (perms>>6);
67fbe06e 1280 }
67fbe06e 1281#endif
2293b0e9 1282 }
67fbe06e 1283 return res;
0a753a76
PP
1284}
1285
8ac9c18d
GS
1286/* Find the longname of a given path. path is destructively modified.
1287 * It should have space for at least MAX_PATH characters. */
1288DllExport char *
1289win32_longpath(char *path)
1290{
1291 WIN32_FIND_DATA fdata;
1292 HANDLE fhand;
1293 char tmpbuf[MAX_PATH+1];
1294 char *tmpstart = tmpbuf;
1295 char *start = path;
1296 char sep;
1297 if (!path)
1298 return Nullch;
1299
1300 /* drive prefix */
1301 if (isALPHA(path[0]) && path[1] == ':' &&
1302 (path[2] == '/' || path[2] == '\\'))
1303 {
1304 start = path + 2;
1305 *tmpstart++ = path[0];
1306 *tmpstart++ = ':';
1307 }
1308 /* UNC prefix */
1309 else if ((path[0] == '/' || path[0] == '\\') &&
1310 (path[1] == '/' || path[1] == '\\'))
1311 {
1312 start = path + 2;
52fcf7ee
GS
1313 *tmpstart++ = path[0];
1314 *tmpstart++ = path[1];
8ac9c18d
GS
1315 /* copy machine name */
1316 while (*start && *start != '/' && *start != '\\')
1317 *tmpstart++ = *start++;
1318 if (*start) {
52fcf7ee 1319 *tmpstart++ = *start;
8ac9c18d
GS
1320 start++;
1321 /* copy share name */
1322 while (*start && *start != '/' && *start != '\\')
1323 *tmpstart++ = *start++;
1324 }
1325 }
1326 sep = *start++;
1327 if (sep == '/' || sep == '\\')
52fcf7ee 1328 *tmpstart++ = sep;
8ac9c18d
GS
1329 *tmpstart = '\0';
1330 while (sep) {
1331 /* walk up to slash */
1332 while (*start && *start != '/' && *start != '\\')
1333 ++start;
1334
1335 /* discard doubled slashes */
1336 while (*start && (start[1] == '/' || start[1] == '\\'))
1337 ++start;
1338 sep = *start;
1339
1340 /* stop and find full name of component */
1341 *start = '\0';
1342 fhand = FindFirstFile(path,&fdata);
1343 if (fhand != INVALID_HANDLE_VALUE) {
1344 strcpy(tmpstart, fdata.cFileName);
1345 tmpstart += strlen(fdata.cFileName);
1346 if (sep)
52fcf7ee 1347 *tmpstart++ = sep;
8ac9c18d
GS
1348 *tmpstart = '\0';
1349 *start++ = sep;
1350 FindClose(fhand);
1351 }
1352 else {
1353 /* failed a step, just return without side effects */
bf49b057 1354 /*PerlIO_printf(Perl_debug_log, "Failed to find %s\n", path);*/
8ac9c18d
GS
1355 *start = sep;
1356 return Nullch;
1357 }
1358 }
1359 strcpy(path,tmpbuf);
1360 return path;
1361}
1362
0551aaa8
GS
1363DllExport char *
1364win32_getenv(const char *name)
1365{
acfe0abc 1366 dTHX;
82867ecf 1367 WCHAR wBuffer[MAX_PATH+1];
0551aaa8 1368 DWORD needlen;
51371543 1369 SV *curitem = Nullsv;
58a50f62 1370
7fac1903 1371 if (USING_WIDE()) {
0cb96387 1372 A2WHELPER(name, wBuffer, sizeof(wBuffer));
51371543 1373 needlen = GetEnvironmentVariableW(wBuffer, NULL, 0);
7fac1903
GS
1374 }
1375 else
51371543 1376 needlen = GetEnvironmentVariableA(name,NULL,0);
58a50f62 1377 if (needlen != 0) {
51371543 1378 curitem = sv_2mortal(newSVpvn("", 0));
7fac1903 1379 if (USING_WIDE()) {
51371543
GS
1380 SV *acuritem;
1381 do {
1382 SvGROW(curitem, (needlen+1)*sizeof(WCHAR));
1383 needlen = GetEnvironmentVariableW(wBuffer,
1384 (WCHAR*)SvPVX(curitem),
1385 needlen);
1386 } while (needlen >= SvLEN(curitem)/sizeof(WCHAR));
c5be433b 1387 SvCUR_set(curitem, (needlen*sizeof(WCHAR))+1);
51371543
GS
1388 acuritem = sv_2mortal(newSVsv(curitem));
1389 W2AHELPER((WCHAR*)SvPVX(acuritem), SvPVX(curitem), SvCUR(curitem));
7fac1903
GS
1390 }
1391 else {
51371543
GS
1392 do {
1393 SvGROW(curitem, needlen+1);
1394 needlen = GetEnvironmentVariableA(name,SvPVX(curitem),
1395 needlen);
1396 } while (needlen >= SvLEN(curitem));
1397 SvCUR_set(curitem, needlen);
58a50f62 1398 }
0551aaa8 1399 }
c934e9d4 1400 else {
7a5f8e82 1401 /* allow any environment variables that begin with 'PERL'
c934e9d4 1402 to be stored in the registry */
51371543 1403 if (strncmp(name, "PERL", 4) == 0)
c5be433b 1404 (void)get_regstr(name, &curitem);
c69f6586 1405 }
51371543
GS
1406 if (curitem && SvCUR(curitem))
1407 return SvPVX(curitem);
58a50f62 1408
51371543 1409 return Nullch;
0551aaa8
GS
1410}
1411
ac5c734f
GS
1412DllExport int
1413win32_putenv(const char *name)
1414{
acfe0abc 1415 dTHX;
ac5c734f
GS
1416 char* curitem;
1417 char* val;
7fac1903
GS
1418 WCHAR* wCuritem;
1419 WCHAR* wVal;
1420 int length, relval = -1;
51371543 1421
73c4f7a1 1422 if (name) {
7fac1903
GS
1423 if (USING_WIDE()) {
1424 length = strlen(name)+1;
1425 New(1309,wCuritem,length,WCHAR);
c5be433b 1426 A2WHELPER(name, wCuritem, length*sizeof(WCHAR));
7fac1903 1427 wVal = wcschr(wCuritem, '=');
7766f137 1428 if (wVal) {
7fac1903 1429 *wVal++ = '\0';
7766f137 1430 if (SetEnvironmentVariableW(wCuritem, *wVal ? wVal : NULL))
7fac1903
GS
1431 relval = 0;
1432 }
1433 Safefree(wCuritem);
1434 }
1435 else {
1436 New(1309,curitem,strlen(name)+1,char);
1437 strcpy(curitem, name);
1438 val = strchr(curitem, '=');
7766f137 1439 if (val) {
7fac1903
GS
1440 /* The sane way to deal with the environment.
1441 * Has these advantages over putenv() & co.:
1442 * * enables us to store a truly empty value in the
1443 * environment (like in UNIX).
1444 * * we don't have to deal with RTL globals, bugs and leaks.
1445 * * Much faster.
1446 * Why you may want to enable USE_WIN32_RTL_ENV:
1447 * * environ[] and RTL functions will not reflect changes,
1448 * which might be an issue if extensions want to access
1449 * the env. via RTL. This cuts both ways, since RTL will
1450 * not see changes made by extensions that call the Win32
1451 * functions directly, either.
1452 * GSAR 97-06-07
1453 */
1454 *val++ = '\0';
7766f137 1455 if (SetEnvironmentVariableA(curitem, *val ? val : NULL))
7fac1903
GS
1456 relval = 0;
1457 }
1458 Safefree(curitem);
ac5c734f 1459 }
ac5c734f
GS
1460 }
1461 return relval;
1462}
1463
d55594ae 1464static long
2d7a9237 1465filetime_to_clock(PFILETIME ft)
d55594ae 1466{
7766f137
GS
1467 __int64 qw = ft->dwHighDateTime;
1468 qw <<= 32;
1469 qw |= ft->dwLowDateTime;
1470 qw /= 10000; /* File time ticks at 0.1uS, clock at 1mS */
1471 return (long) qw;
d55594ae
GS
1472}
1473
f3986ebb
GS
1474DllExport int
1475win32_times(struct tms *timebuf)
0a753a76 1476{
d55594ae
GS
1477 FILETIME user;
1478 FILETIME kernel;
1479 FILETIME dummy;
1480 if (GetProcessTimes(GetCurrentProcess(), &dummy, &dummy,
1481 &kernel,&user)) {
2d7a9237
GS
1482 timebuf->tms_utime = filetime_to_clock(&user);
1483 timebuf->tms_stime = filetime_to_clock(&kernel);
d55594ae
GS
1484 timebuf->tms_cutime = 0;
1485 timebuf->tms_cstime = 0;
1486
1487 } else {
1488 /* That failed - e.g. Win95 fallback to clock() */
1489 clock_t t = clock();
1490 timebuf->tms_utime = t;
1491 timebuf->tms_stime = 0;
1492 timebuf->tms_cutime = 0;
1493 timebuf->tms_cstime = 0;
1494 }
68dc0745 1495 return 0;
0a753a76
PP
1496}
1497
9c51cf4c 1498/* fix utime() so it works on directories in NT */
ad0751ec
GS
1499static BOOL
1500filetime_from_time(PFILETIME pFileTime, time_t Time)
1501{
9c51cf4c 1502 struct tm *pTM = localtime(&Time);
ad0751ec 1503 SYSTEMTIME SystemTime;
9c51cf4c 1504 FILETIME LocalTime;
ad0751ec
GS
1505
1506 if (pTM == NULL)
1507 return FALSE;
1508
1509 SystemTime.wYear = pTM->tm_year + 1900;
1510 SystemTime.wMonth = pTM->tm_mon + 1;
1511 SystemTime.wDay = pTM->tm_mday;
1512 SystemTime.wHour = pTM->tm_hour;
1513 SystemTime.wMinute = pTM->tm_min;
1514 SystemTime.wSecond = pTM->tm_sec;
1515 SystemTime.wMilliseconds = 0;
1516
9c51cf4c
GS
1517 return SystemTimeToFileTime(&SystemTime, &LocalTime) &&
1518 LocalFileTimeToFileTime(&LocalTime, pFileTime);
ad0751ec
GS
1519}
1520
1521DllExport int
7766f137
GS
1522win32_unlink(const char *filename)
1523{
acfe0abc 1524 dTHX;
7766f137
GS
1525 int ret;
1526 DWORD attrs;
1527
1528 if (USING_WIDE()) {
82867ecf 1529 WCHAR wBuffer[MAX_PATH+1];
e9ff6d27 1530 WCHAR* pwBuffer;
7766f137
GS
1531
1532 A2WHELPER(filename, wBuffer, sizeof(wBuffer));
e9ff6d27
GS
1533 pwBuffer = PerlDir_mapW(wBuffer);
1534 attrs = GetFileAttributesW(pwBuffer);
c00206c8
GS
1535 if (attrs == 0xFFFFFFFF)
1536 goto fail;
7766f137 1537 if (attrs & FILE_ATTRIBUTE_READONLY) {
e9ff6d27
GS
1538 (void)SetFileAttributesW(pwBuffer, attrs & ~FILE_ATTRIBUTE_READONLY);
1539 ret = _wunlink(pwBuffer);
7766f137 1540 if (ret == -1)
e9ff6d27 1541 (void)SetFileAttributesW(pwBuffer, attrs);
7766f137
GS
1542 }
1543 else
e9ff6d27 1544 ret = _wunlink(pwBuffer);
7766f137
GS
1545 }
1546 else {
e9ff6d27
GS
1547 filename = PerlDir_mapA(filename);
1548 attrs = GetFileAttributesA(filename);
c00206c8
GS
1549 if (attrs == 0xFFFFFFFF)
1550 goto fail;
7766f137 1551 if (attrs & FILE_ATTRIBUTE_READONLY) {
e9ff6d27
GS
1552 (void)SetFileAttributesA(filename, attrs & ~FILE_ATTRIBUTE_READONLY);
1553 ret = unlink(filename);
7766f137 1554 if (ret == -1)
e9ff6d27 1555 (void)SetFileAttributesA(filename, attrs);
7766f137
GS
1556 }
1557 else
e9ff6d27 1558 ret = unlink(filename);
7766f137
GS
1559 }
1560 return ret;
c00206c8
GS
1561fail:
1562 errno = ENOENT;
1563 return -1;
7766f137
GS
1564}
1565
1566DllExport int
3b405fc5 1567win32_utime(const char *filename, struct utimbuf *times)
ad0751ec 1568{
acfe0abc 1569 dTHX;
ad0751ec
GS
1570 HANDLE handle;
1571 FILETIME ftCreate;
1572 FILETIME ftAccess;
1573 FILETIME ftWrite;
1574 struct utimbuf TimeBuffer;
82867ecf 1575 WCHAR wbuffer[MAX_PATH+1];
e9ff6d27 1576 WCHAR* pwbuffer;
ad0751ec 1577
7fac1903
GS
1578 int rc;
1579 if (USING_WIDE()) {
0cb96387 1580 A2WHELPER(filename, wbuffer, sizeof(wbuffer));
e9ff6d27
GS
1581 pwbuffer = PerlDir_mapW(wbuffer);
1582 rc = _wutime(pwbuffer, (struct _utimbuf*)times);
7fac1903
GS
1583 }
1584 else {
e9ff6d27
GS
1585 filename = PerlDir_mapA(filename);
1586 rc = utime(filename, times);
7fac1903 1587 }
ad0751ec
GS
1588 /* EACCES: path specifies directory or readonly file */
1589 if (rc == 0 || errno != EACCES /* || !IsWinNT() */)
1590 return rc;
1591
1592 if (times == NULL) {
1593 times = &TimeBuffer;
1594 time(&times->actime);
1595 times->modtime = times->actime;
1596 }
1597
1598 /* This will (and should) still fail on readonly files */
7fac1903 1599 if (USING_WIDE()) {
e9ff6d27 1600 handle = CreateFileW(pwbuffer, GENERIC_READ | GENERIC_WRITE,
7fac1903
GS
1601 FILE_SHARE_READ | FILE_SHARE_DELETE, NULL,
1602 OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL);
1603 }
1604 else {
e9ff6d27 1605 handle = CreateFileA(filename, GENERIC_READ | GENERIC_WRITE,
7fac1903
GS
1606 FILE_SHARE_READ | FILE_SHARE_DELETE, NULL,
1607 OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL);
1608 }
ad0751ec
GS
1609 if (handle == INVALID_HANDLE_VALUE)
1610 return rc;
1611
1612 if (GetFileTime(handle, &ftCreate, &ftAccess, &ftWrite) &&
1613 filetime_from_time(&ftAccess, times->actime) &&
1614 filetime_from_time(&ftWrite, times->modtime) &&
1615 SetFileTime(handle, &ftCreate, &ftAccess, &ftWrite))
1616 {
1617 rc = 0;
1618 }
1619
1620 CloseHandle(handle);
1621 return rc;
1622}
1623
2d7a9237 1624DllExport int
b2af26b1
GS
1625win32_uname(struct utsname *name)
1626{
1627 struct hostent *hep;
1628 STRLEN nodemax = sizeof(name->nodename)-1;
1629 OSVERSIONINFO osver;
1630
1631 memset(&osver, 0, sizeof(OSVERSIONINFO));
1632 osver.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
1633 if (GetVersionEx(&osver)) {
1634 /* sysname */
1635 switch (osver.dwPlatformId) {
1636 case VER_PLATFORM_WIN32_WINDOWS:
1637 strcpy(name->sysname, "Windows");
1638 break;
1639 case VER_PLATFORM_WIN32_NT:
1640 strcpy(name->sysname, "Windows NT");
1641 break;
1642 case VER_PLATFORM_WIN32s:
1643 strcpy(name->sysname, "Win32s");
1644 break;
1645 default:
1646 strcpy(name->sysname, "Win32 Unknown");
1647 break;
1648 }
1649
cf6cacac
GS
1650 /* release */
1651 sprintf(name->release, "%d.%d",
b2af26b1
GS
1652 osver.dwMajorVersion, osver.dwMinorVersion);
1653
cf6cacac
GS
1654 /* version */
1655 sprintf(name->version, "Build %d",
b2af26b1
GS
1656 osver.dwPlatformId == VER_PLATFORM_WIN32_NT
1657 ? osver.dwBuildNumber : (osver.dwBuildNumber & 0xffff));
1658 if (osver.szCSDVersion[0]) {
cf6cacac 1659 char *buf = name->version + strlen(name->version);
b2af26b1
GS
1660 sprintf(buf, " (%s)", osver.szCSDVersion);
1661 }
1662 }
1663 else {
1664 *name->sysname = '\0';
1665 *name->version = '\0';
1666 *name->release = '\0';
1667 }
1668
1669 /* nodename */
1670 hep = win32_gethostbyname("localhost");
1671 if (hep) {
1672 STRLEN len = strlen(hep->h_name);
1673 if (len <= nodemax) {
1674 strcpy(name->nodename, hep->h_name);
1675 }
1676 else {
1677 strncpy(name->nodename, hep->h_name, nodemax);
1678 name->nodename[nodemax] = '\0';
1679 }
1680 }
1681 else {
1682 DWORD sz = nodemax;
1683 if (!GetComputerName(name->nodename, &sz))
1684 *name->nodename = '\0';
1685 }
1686
1687 /* machine (architecture) */
1688 {
1689 SYSTEM_INFO info;
1690 char *arch;
1691 GetSystemInfo(&info);
a6c40364 1692
6f24f39d
JK
1693#if (defined(__BORLANDC__)&&(__BORLANDC__<=0x520)) \
1694 || (defined(__MINGW32__) && !defined(_ANONYMOUS_UNION))
a6c40364
GS
1695 switch (info.u.s.wProcessorArchitecture) {
1696#else
b2af26b1 1697 switch (info.wProcessorArchitecture) {
a6c40364 1698#endif
b2af26b1
GS
1699 case PROCESSOR_ARCHITECTURE_INTEL:
1700 arch = "x86"; break;
1701 case PROCESSOR_ARCHITECTURE_MIPS:
1702 arch = "mips"; break;
1703 case PROCESSOR_ARCHITECTURE_ALPHA:
1704 arch = "alpha"; break;
1705 case PROCESSOR_ARCHITECTURE_PPC:
1706 arch = "ppc"; break;
1707 default:
1708 arch = "unknown"; break;
1709 }
1710 strcpy(name->machine, arch);
1711 }
1712 return 0;
1713}
1714
8fb3fcfb
NIS
1715/* Timing related stuff */
1716
1717DllExport int
1718win32_async_check(pTHX)
1719{
1720 MSG msg;
1721 int ours = 1;
7e5f34c0
NIS
1722 /* Passing PeekMessage -1 as HWND (2nd arg) only get PostThreadMessage() messages
1723 * and ignores window messages - should co-exist better with windows apps e.g. Tk
1724 */
222c300a 1725 while (PeekMessage(&msg, (HWND)-1, 0, 0, PM_REMOVE|PM_NOYIELD)) {
8fb3fcfb
NIS
1726 switch(msg.message) {
1727
7e5f34c0
NIS
1728#if 0
1729 /* Perhaps some other messages could map to signals ? ... */
1730 case WM_CLOSE:
1731 case WM_QUIT:
1732 /* Treat WM_QUIT like SIGHUP? */
1733 CALL_FPTR(PL_sighandlerp)(1);
1734 break;
1735#endif
1736
c843839f 1737 /* We use WM_USER to fake kill() with other signals */
8fb3fcfb 1738 case WM_USER: {
c843839f 1739 CALL_FPTR(PL_sighandlerp)(msg.wParam);
8fb3fcfb
NIS
1740 break;
1741 }
1742
1743 case WM_TIMER: {
1744 /* alarm() is a one-shot but SetTimer() repeats so kill it */
222c300a
NIS
1745 if (w32_timerid) {
1746 KillTimer(NULL,w32_timerid);
1747 w32_timerid=0;
1748 }
8fb3fcfb
NIS
1749 /* Now fake a call to signal handler */
1750 CALL_FPTR(PL_sighandlerp)(14);
1751 break;
1752 }
1753
1754 /* Otherwise do normal Win32 thing - in case it is useful */
1755 default:
1756 TranslateMessage(&msg);
1757 DispatchMessage(&msg);
1758 ours = 0;
1759 break;
1760 }
1761 }
05ec9bb3 1762 w32_poll_count = 0;
8fb3fcfb 1763
7e5f34c0 1764 /* Above or other stuff may have set a signal flag */
8fb3fcfb
NIS
1765 if (PL_sig_pending) {
1766 despatch_signals();
1767 }
1768 return ours;
1769}
1770
1771DllExport DWORD
1772win32_msgwait(pTHX_ DWORD count, LPHANDLE handles, DWORD timeout, LPDWORD resultp)
1773{
1774 /* We may need several goes at this - so compute when we stop */
1775 DWORD ticks = 0;
1776 if (timeout != INFINITE) {
1777 ticks = GetTickCount();
1778 timeout += ticks;
1779 }
1780 while (1) {
1781 DWORD result = MsgWaitForMultipleObjects(count,handles,FALSE,timeout-ticks, QS_ALLEVENTS);
1782 if (resultp)
1783 *resultp = result;
1784 if (result == WAIT_TIMEOUT) {
1785 /* Ran out of time - explicit return of zero to avoid -ve if we
1786 have scheduling issues
1787 */
1788 return 0;
1789 }
1790 if (timeout != INFINITE) {
1791 ticks = GetTickCount();
1792 }
1793 if (result == WAIT_OBJECT_0 + count) {
1794 /* Message has arrived - check it */
1795 if (win32_async_check(aTHX)) {
1796 /* was one of ours */
1797 break;
1798 }
1799 }
1800 else {
1801 /* Not timeout or message - one of handles is ready */
1802 break;
1803 }
1804 }
1805 /* compute time left to wait */
1806 ticks = timeout - ticks;
1807 /* If we are past the end say zero */
1808 return (ticks > 0) ? ticks : 0;
1809}
1810
932b7487
RC
1811int
1812win32_internal_wait(int *status, DWORD timeout)
1813{
1814 /* XXX this wait emulation only knows about processes
1815 * spawned via win32_spawnvp(P_NOWAIT, ...).
1816 */
1817 dTHX;
1818 int i, retval;
1819 DWORD exitcode, waitcode;
1820
1821#ifdef USE_ITHREADS
1822 if (w32_num_pseudo_children) {
8fb3fcfb
NIS
1823 win32_msgwait(aTHX_ w32_num_pseudo_children, w32_pseudo_child_handles,
1824 timeout, &waitcode);
932b7487
RC
1825 /* Time out here if there are no other children to wait for. */
1826 if (waitcode == WAIT_TIMEOUT) {
1827 if (!w32_num_children) {
1828 return 0;
1829 }
1830 }
1831 else if (waitcode != WAIT_FAILED) {
1832 if (waitcode >= WAIT_ABANDONED_0
1833 && waitcode < WAIT_ABANDONED_0 + w32_num_pseudo_children)
1834 i = waitcode - WAIT_ABANDONED_0;
1835 else
1836 i = waitcode - WAIT_OBJECT_0;
1837 if (GetExitCodeThread(w32_pseudo_child_handles[i], &exitcode)) {
1838 *status = (int)((exitcode & 0xff) << 8);
1839 retval = (int)w32_pseudo_child_pids[i];
1840 remove_dead_pseudo_process(i);
1841 return -retval;
1842 }
1843 }
1844 }
1845#endif
1846
1847 if (!w32_num_children) {
1848 errno = ECHILD;
1849 return -1;
1850 }
1851
1852 /* if a child exists, wait for it to die */
8fb3fcfb 1853 win32_msgwait(aTHX_ w32_num_children, w32_child_handles, timeout, &waitcode);
932b7487
RC
1854 if (waitcode == WAIT_TIMEOUT) {
1855 return 0;
1856 }
1857 if (waitcode != WAIT_FAILED) {
1858 if (waitcode >= WAIT_ABANDONED_0
1859 && waitcode < WAIT_ABANDONED_0 + w32_num_children)
1860 i = waitcode - WAIT_ABANDONED_0;
1861 else
1862 i = waitcode - WAIT_OBJECT_0;
1863 if (GetExitCodeProcess(w32_child_handles[i], &exitcode) ) {
1864 *status = (int)((exitcode & 0xff) << 8);
1865 retval = (int)w32_child_pids[i];
1866 remove_dead_process(i);
1867 return retval;
1868 }
1869 }
1870
1871FAILED:
1872 errno = GetLastError();
1873 return -1;
1874}
1875
b2af26b1 1876DllExport int
f55ee38a
GS
1877win32_waitpid(int pid, int *status, int flags)
1878{
acfe0abc 1879 dTHX;
922b1888 1880 DWORD timeout = (flags & WNOHANG) ? 0 : INFINITE;
0aaad0ff 1881 int retval = -1;
c66b022d 1882 long child;
7766f137 1883 if (pid == -1) /* XXX threadid == 1 ? */
932b7487 1884 return win32_internal_wait(status, timeout);
7766f137
GS
1885#ifdef USE_ITHREADS
1886 else if (pid < 0) {
c66b022d 1887 child = find_pseudo_pid(-pid);
7766f137
GS
1888 if (child >= 0) {
1889 HANDLE hThread = w32_pseudo_child_handles[child];
8fb3fcfb
NIS
1890 DWORD waitcode;
1891 win32_msgwait(aTHX_ 1, &hThread, timeout, &waitcode);
2f67576d
BC
1892 if (waitcode == WAIT_TIMEOUT) {
1893 return 0;
1894 }
8fb3fcfb 1895 else if (waitcode == WAIT_OBJECT_0) {
7766f137
GS
1896 if (GetExitCodeThread(hThread, &waitcode)) {
1897 *status = (int)((waitcode & 0xff) << 8);
1898 retval = (int)w32_pseudo_child_pids[child];
1899 remove_dead_pseudo_process(child);
68a29c53 1900 return -retval;
7766f137
GS
1901 }
1902 }
1903 else
1904 errno = ECHILD;
1905 }
922b1888
GS
1906 else if (IsWin95()) {
1907 pid = -pid;
1908 goto alien_process;
1909 }
7766f137
GS
1910 }
1911#endif
f55ee38a 1912 else {
922b1888
GS
1913 HANDLE hProcess;
1914 DWORD waitcode;
c66b022d 1915 child = find_pid(pid);
0aaad0ff 1916 if (child >= 0) {
922b1888 1917 hProcess = w32_child_handles[child];
8fb3fcfb 1918 win32_msgwait(aTHX_ 1, &hProcess, timeout, &waitcode);
a7867d0a
GS
1919 if (waitcode == WAIT_TIMEOUT) {
1920 return 0;
1921 }
8fb3fcfb 1922 else if (waitcode == WAIT_OBJECT_0) {
922b1888
GS
1923 if (GetExitCodeProcess(hProcess, &waitcode)) {
1924 *status = (int)((waitcode & 0xff) << 8);
1925 retval = (int)w32_child_pids[child];
1926 remove_dead_process(child);
1927 return retval;
1928 }
a7867d0a 1929 }
0aaad0ff
GS
1930 else
1931 errno = ECHILD;
1932 }
1933 else {
922b1888
GS
1934alien_process:
1935 hProcess = OpenProcess(PROCESS_ALL_ACCESS, TRUE,
1936 (IsWin95() ? -pid : pid));
1937 if (hProcess) {
8fb3fcfb 1938 win32_msgwait(aTHX_ 1, &hProcess, timeout, &waitcode);
922b1888
GS
1939 if (waitcode == WAIT_TIMEOUT) {
1940 return 0;
1941 }
8fb3fcfb 1942 else if (waitcode == WAIT_OBJECT_0) {
922b1888
GS
1943 if (GetExitCodeProcess(hProcess, &waitcode)) {
1944 *status = (int)((waitcode & 0xff) << 8);
1945 CloseHandle(hProcess);
1946 return pid;
1947 }
1948 }
1949 CloseHandle(hProcess);
1950 }
1951 else
1952 errno = ECHILD;
0aaad0ff 1953 }
f55ee38a 1954 }
0aaad0ff 1955 return retval >= 0 ? pid : retval;
f55ee38a
GS
1956}
1957
1958DllExport int
2d7a9237
GS
1959win32_wait(int *status)
1960{
932b7487 1961 return win32_internal_wait(status, INFINITE);
2d7a9237 1962}
d55594ae 1963
8fb3fcfb
NIS
1964DllExport unsigned int
1965win32_sleep(unsigned int t)
d55594ae 1966{
acfe0abc 1967 dTHX;
8fb3fcfb
NIS
1968 /* Win32 times are in ms so *1000 in and /1000 out */
1969 return win32_msgwait(aTHX_ 0, NULL, t*1000, NULL)/1000;
d55594ae
GS
1970}
1971
f3986ebb
GS
1972DllExport unsigned int
1973win32_alarm(unsigned int sec)
0a753a76 1974{
d55594ae
GS
1975 /*
1976 * the 'obvious' implentation is SetTimer() with a callback
1977 * which does whatever receiving SIGALRM would do
1978 * we cannot use SIGALRM even via raise() as it is not
1979 * one of the supported codes in <signal.h>
d55594ae 1980 */
acfe0abc 1981 dTHX;
8fb3fcfb
NIS
1982 if (sec) {
1983 w32_timerid = SetTimer(NULL,w32_timerid,sec*1000,NULL);
1984 }
1985 else {
1986 if (w32_timerid) {
1987 KillTimer(NULL,w32_timerid);
1988 w32_timerid=0;
1989 }
1990 }
afe91769 1991 return 0;
0a753a76
PP
1992}
1993
26618a56 1994#ifdef HAVE_DES_FCRYPT
2d77217b 1995extern char * des_fcrypt(const char *txt, const char *salt, char *cbuf);
ff95b63e 1996#endif
26618a56
GS
1997
1998DllExport char *
1999win32_crypt(const char *txt, const char *salt)
2000{
acfe0abc 2001 dTHX;
ff95b63e 2002#ifdef HAVE_DES_FCRYPT
3352bfcb 2003 return des_fcrypt(txt, salt, w32_crypt_buffer);
ff95b63e 2004#else
25dbdbbc 2005 Perl_croak(aTHX_ "The crypt() function is unimplemented due to excessive paranoia.");
b8957cf1 2006 return Nullch;
ff95b63e 2007#endif
26618a56 2008}
26618a56 2009
9e5f57de 2010#ifdef USE_FIXED_OSFHANDLE
390b85e7
GS
2011
2012#define FOPEN 0x01 /* file handle open */
b181b6fb 2013#define FNOINHERIT 0x10 /* file handle opened O_NOINHERIT */
390b85e7
GS
2014#define FAPPEND 0x20 /* file handle opened O_APPEND */
2015#define FDEV 0x40 /* file handle refers to device */
2016#define FTEXT 0x80 /* file handle is in text mode */
2017
390b85e7
GS
2018/***
2019*int my_open_osfhandle(long osfhandle, int flags) - open C Runtime file handle
2020*
2021*Purpose:
2022* This function allocates a free C Runtime file handle and associates
2023* it with the Win32 HANDLE specified by the first parameter. This is a
9e5f57de
GS
2024* temperary fix for WIN95's brain damage GetFileType() error on socket
2025* we just bypass that call for socket
2026*
2027* This works with MSVC++ 4.0+ or GCC/Mingw32
390b85e7
GS
2028*
2029*Entry:
2030* long osfhandle - Win32 HANDLE to associate with C Runtime file handle.
2031* int flags - flags to associate with C Runtime file handle.
2032*
2033*Exit:
2034* returns index of entry in fh, if successful
2035* return -1, if no free entry is found
2036*
2037*Exceptions:
2038*
2039*******************************************************************************/
2040
9e5f57de
GS
2041/*
2042 * we fake up some parts of the CRT that aren't exported by MSVCRT.dll
2043 * this lets sockets work on Win9X with GCC and should fix the problems
2044 * with perl95.exe
2045 * -- BKS, 1-23-2000
2046*/
2047
9e5f57de
GS
2048/* create an ioinfo entry, kill its handle, and steal the entry */
2049
b181b6fb
GS
2050static int
2051_alloc_osfhnd(void)
9e5f57de
GS
2052{
2053 HANDLE hF = CreateFile("NUL", 0, 0, NULL, OPEN_ALWAYS, 0, NULL);
dd8f4818 2054 int fh = _open_osfhandle((long)hF, 0);
9e5f57de
GS
2055 CloseHandle(hF);
2056 if (fh == -1)
2057 return fh;
2058 EnterCriticalSection(&(_pioinfo(fh)->lock));
2059 return fh;
2060}
2061
390b85e7
GS
2062static int
2063my_open_osfhandle(long osfhandle, int flags)
2064{
2065 int fh;
2066 char fileflags; /* _osfile flags */
2067
2068 /* copy relevant flags from second parameter */
2069 fileflags = FDEV;
2070
9404a519 2071 if (flags & O_APPEND)
390b85e7
GS
2072 fileflags |= FAPPEND;
2073
9404a519 2074 if (flags & O_TEXT)
390b85e7
GS
2075 fileflags |= FTEXT;
2076
b181b6fb
GS
2077 if (flags & O_NOINHERIT)
2078 fileflags |= FNOINHERIT;
2079
390b85e7 2080 /* attempt to allocate a C Runtime file handle */
9404a519 2081 if ((fh = _alloc_osfhnd()) == -1) {
390b85e7
GS
2082 errno = EMFILE; /* too many open files */
2083 _doserrno = 0L; /* not an OS error */
2084 return -1; /* return error to caller */
2085 }
2086
2087 /* the file is open. now, set the info in _osfhnd array */
2088 _set_osfhnd(fh, osfhandle);
2089
2090 fileflags |= FOPEN; /* mark as open */
2091
390b85e7 2092 _osfile(fh) = fileflags; /* set osfile entry */
dd8f4818 2093 LeaveCriticalSection(&_pioinfo(fh)->lock);
390b85e7
GS
2094
2095 return fh; /* return handle */
2096}
2097
f3986ebb 2098#endif /* USE_FIXED_OSFHANDLE */
390b85e7
GS
2099
2100/* simulate flock by locking a range on the file */
2101
2102#define LK_ERR(f,i) ((f) ? (i = 0) : (errno = GetLastError()))
2103#define LK_LEN 0xffff0000
2104
f3986ebb
GS
2105DllExport int
2106win32_flock(int fd, int oper)
390b85e7
GS
2107{
2108 OVERLAPPED o;
2109 int i = -1;
2110 HANDLE fh;
2111
f3986ebb 2112 if (!IsWinNT()) {
acfe0abc 2113 dTHX;
4f63d024 2114 Perl_croak_nocontext("flock() unimplemented on this platform");
f3986ebb
GS
2115 return -1;
2116 }
390b85e7
GS
2117 fh = (HANDLE)_get_osfhandle(fd);
2118 memset(&o, 0, sizeof(o));
2119
2120 switch(oper) {
2121 case LOCK_SH: /* shared lock */
2122 LK_ERR(LockFileEx(fh, 0, 0, LK_LEN, 0, &o),i);
2123 break;
2124 case LOCK_EX: /* exclusive lock */
2125 LK_ERR(LockFileEx(fh, LOCKFILE_EXCLUSIVE_LOCK, 0, LK_LEN, 0, &o),i);
2126 break;
2127 case LOCK_SH|LOCK_NB: /* non-blocking shared lock */
2128 LK_ERR(LockFileEx(fh, LOCKFILE_FAIL_IMMEDIATELY, 0, LK_LEN, 0, &o),i);
2129 break;
2130 case LOCK_EX|LOCK_NB: /* non-blocking exclusive lock */
2131 LK_ERR(LockFileEx(fh,
2132 LOCKFILE_EXCLUSIVE_LOCK|LOCKFILE_FAIL_IMMEDIATELY,
2133 0, LK_LEN, 0, &o),i);
2134 break;
2135 case LOCK_UN: /* unlock lock */
2136 LK_ERR(UnlockFileEx(fh, 0, LK_LEN, 0, &o),i);
2137 break;
2138 default: /* unknown */
2139 errno = EINVAL;
2140 break;
2141 }
2142 return i;
2143}
2144
2145#undef LK_ERR
2146#undef LK_LEN
2147
68dc0745
PP
2148/*
2149 * redirected io subsystem for all XS modules
2150 *
2151 */
0a753a76 2152
68dc0745
PP
2153DllExport int *
2154win32_errno(void)
0a753a76 2155{
390b85e7 2156 return (&errno);
0a753a76
PP
2157}
2158
dcb2879a
GS
2159DllExport char ***
2160win32_environ(void)
2161{
390b85e7 2162 return (&(_environ));
dcb2879a
GS
2163}
2164
68dc0745
PP
2165/* the rest are the remapped stdio routines */
2166DllExport FILE *
2167win32_stderr(void)
0a753a76 2168{
390b85e7 2169 return (stderr);
0a753a76
PP
2170}
2171
68dc0745
PP
2172DllExport FILE *
2173win32_stdin(void)
0a753a76 2174{
390b85e7 2175 return (stdin);
0a753a76
PP
2176}
2177
68dc0745
PP
2178DllExport FILE *
2179win32_stdout()
0a753a76 2180{
390b85e7 2181 return (stdout);
0a753a76
PP
2182}
2183
68dc0745
PP
2184DllExport int
2185win32_ferror(FILE *fp)
0a753a76 2186{
390b85e7 2187 return (ferror(fp));
0a753a76
PP
2188}
2189
2190
68dc0745
PP
2191DllExport int
2192win32_feof(FILE *fp)
0a753a76 2193{
390b85e7 2194 return (feof(fp));
0a753a76
PP
2195}
2196
68dc0745
PP
2197/*
2198 * Since the errors returned by the socket error function
2199 * WSAGetLastError() are not known by the library routine strerror
2200 * we have to roll our own.
2201 */
0a753a76 2202
68dc0745
PP
2203DllExport char *
2204win32_strerror(int e)
0a753a76 2205{
6f24f39d 2206#if !defined __BORLANDC__ && !defined __MINGW32__ /* compiler intolerance */
68dc0745 2207 extern int sys_nerr;
3e3baf6d 2208#endif
68dc0745 2209 DWORD source = 0;
0a753a76 2210
9404a519 2211 if (e < 0 || e > sys_nerr) {
acfe0abc 2212 dTHX;
9404a519 2213 if (e < 0)
68dc0745 2214 e = GetLastError();
0a753a76 2215
9404a519 2216 if (FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, &source, e, 0,
3352bfcb
GS
2217 w32_strerror_buffer,
2218 sizeof(w32_strerror_buffer), NULL) == 0)
2219 strcpy(w32_strerror_buffer, "Unknown Error");
0a753a76 2220
3352bfcb 2221 return w32_strerror_buffer;
68dc0745 2222 }
390b85e7 2223 return strerror(e);
0a753a76
PP
2224}
2225
22fae026 2226DllExport void
c5be433b 2227win32_str_os_error(void *sv, DWORD dwErr)
22fae026
TM
2228{
2229 DWORD dwLen;
2230 char *sMsg;
2231 dwLen = FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER
2232 |FORMAT_MESSAGE_IGNORE_INSERTS
2233 |FORMAT_MESSAGE_FROM_SYSTEM, NULL,
2234 dwErr, 0, (char *)&sMsg, 1, NULL);
2ce77adf 2235 /* strip trailing whitespace and period */
22fae026 2236 if (0 < dwLen) {
2ce77adf
GS
2237 do {
2238 --dwLen; /* dwLen doesn't include trailing null */
2239 } while (0 < dwLen && isSPACE(sMsg[dwLen]));
22fae026
TM
2240 if ('.' != sMsg[dwLen])
2241 dwLen++;
2ce77adf 2242 sMsg[dwLen] = '\0';
22fae026
TM
2243 }
2244 if (0 == dwLen) {
c69f6586 2245 sMsg = (char*)LocalAlloc(0, 64/**sizeof(TCHAR)*/);
db7c17d7
GS
2246 if (sMsg)
2247 dwLen = sprintf(sMsg,
2248 "Unknown error #0x%lX (lookup 0x%lX)",
2249 dwErr, GetLastError());
2250 }
2251 if (sMsg) {
acfe0abc 2252 dTHX;
db7c17d7
GS
2253 sv_setpvn((SV*)sv, sMsg, dwLen);
2254 LocalFree(sMsg);
22fae026 2255 }
22fae026
TM
2256}
2257
68dc0745
PP
2258DllExport int
2259win32_fprintf(FILE *fp, const char *format, ...)
0a753a76 2260{
68dc0745
PP
2261 va_list marker;
2262 va_start(marker, format); /* Initialize variable arguments. */
0a753a76 2263
390b85e7 2264 return (vfprintf(fp, format, marker));
0a753a76
PP
2265}
2266
68dc0745
PP
2267DllExport int
2268win32_printf(const char *format, ...)
0a753a76 2269{
68dc0745
PP
2270 va_list marker;
2271 va_start(marker, format); /* Initialize variable arguments. */
0a753a76 2272
390b85e7 2273 return (vprintf(format, marker));
0a753a76
PP
2274}
2275
68dc0745
PP
2276DllExport int
2277win32_vfprintf(FILE *fp, const char *format, va_list args)
0a753a76 2278{
390b85e7 2279 return (vfprintf(fp, format, args));
0a753a76
PP
2280}
2281
96e4d5b1
PP
2282DllExport int
2283win32_vprintf(const char *format, va_list args)
2284{
390b85e7 2285 return (vprintf(format, args));
96e4d5b1
PP
2286}
2287
68dc0745
PP
2288DllExport size_t
2289win32_fread(void *buf, size_t size, size_t count, FILE *fp)
0a753a76 2290{
390b85e7 2291 return fread(buf, size, count, fp);
0a753a76
PP
2292}
2293
68dc0745
PP
2294DllExport size_t
2295win32_fwrite(const void *buf, size_t size, size_t count, FILE *fp)
0a753a76 2296{
390b85e7 2297 return fwrite(buf, size, count, fp);
0a753a76
PP
2298}
2299
7fac1903
GS
2300#define MODE_SIZE 10
2301
68dc0745
PP
2302DllExport FILE *
2303win32_fopen(const char *filename, const char *mode)
0a753a76 2304{
acfe0abc 2305 dTHX;
82867ecf 2306 WCHAR wMode[MODE_SIZE], wBuffer[MAX_PATH+1];
1c5905c2 2307 FILE *f;
c5be433b
GS
2308
2309 if (!*filename)
2310 return NULL;
2311
68dc0745 2312 if (stricmp(filename, "/dev/null")==0)
7fac1903
GS
2313 filename = "NUL";
2314
2315 if (USING_WIDE()) {
0cb96387
GS
2316 A2WHELPER(mode, wMode, sizeof(wMode));
2317 A2WHELPER(filename, wBuffer, sizeof(wBuffer));
1c5905c2 2318 f = _wfopen(PerlDir_mapW(wBuffer), wMode);
7fac1903 2319 }
1c5905c2
GS
2320 else
2321 f = fopen(PerlDir_mapA(filename), mode);
2322 /* avoid buffering headaches for child processes */
2323 if (f && *mode == 'a')
2324 win32_fseek(f, 0, SEEK_END);
2325 return f;
0a753a76
PP
2326}
2327
f3986ebb
GS
2328#ifndef USE_SOCKETS_AS_HANDLES
2329#undef fdopen
2330#define fdopen my_fdopen
2331#endif
2332
68dc0745 2333DllExport FILE *
7fac1903 2334win32_fdopen(int handle, const char *mode)
0a753a76 2335{
acfe0abc 2336 dTHX;
51371543 2337 WCHAR wMode[MODE_SIZE];
1c5905c2 2338 FILE *f;
7fac1903 2339 if (USING_WIDE()) {
0cb96387 2340 A2WHELPER(mode, wMode, sizeof(wMode));
1c5905c2 2341 f = _wfdopen(handle, wMode);
7fac1903 2342 }
1c5905c2
GS
2343 else
2344 f = fdopen(handle, (char *) mode);
2345 /* avoid buffering headaches for child processes */
2346 if (f && *mode == 'a')
2347 win32_fseek(f, 0, SEEK_END);
2348 return f;
0a753a76
PP
2349}
2350
68dc0745 2351DllExport FILE *
7fac1903 2352win32_freopen(const char *path, const char *mode, FILE *stream)
0a753a76 2353{
acfe0abc 2354 dTHX;
82867ecf 2355 WCHAR wMode[MODE_SIZE], wBuffer[MAX_PATH+1];
68dc0745 2356 if (stricmp(path, "/dev/null")==0)
7fac1903
GS
2357 path = "NUL";
2358
2359 if (USING_WIDE()) {
0cb96387
GS
2360 A2WHELPER(mode, wMode, sizeof(wMode));
2361 A2WHELPER(path, wBuffer, sizeof(wBuffer));
7766f137 2362 return _wfreopen(PerlDir_mapW(wBuffer), wMode, stream);
7fac1903 2363 }
7766f137 2364 return freopen(PerlDir_mapA(path), mode, stream);
0a753a76
PP
2365}
2366
68dc0745
PP
2367DllExport int
2368win32_fclose(FILE *pf)
0a753a76 2369{
f3986ebb 2370 return my_fclose(pf); /* defined in win32sck.c */
0a753a76
PP
2371}
2372
68dc0745
PP
2373DllExport int
2374win32_fputs(const char *s,FILE *pf)
0a753a76 2375{
390b85e7 2376 return fputs(s, pf);
0a753a76
PP
2377}
2378
68dc0745
PP
2379DllExport int
2380win32_fputc(int c,FILE *pf)
0a753a76 2381{
390b85e7 2382 return fputc(c,pf);
0a753a76
PP
2383}
2384
68dc0745
PP
2385DllExport int
2386win32_ungetc(int c,FILE *pf)
0a753a76 2387{
390b85e7 2388 return ungetc(c,pf);
0a753a76
PP
2389}
2390
68dc0745
PP
2391DllExport int
2392win32_getc(FILE *pf)
0a753a76 2393{
390b85e7 2394 return getc(pf);
0a753a76
PP
2395}
2396
68dc0745
PP
2397DllExport int
2398win32_fileno(FILE *pf)
0a753a76 2399{
390b85e7 2400 return fileno(pf);
0a753a76
PP
2401}
2402
68dc0745
PP
2403DllExport void
2404win32_clearerr(FILE *pf)
0a753a76 2405{
390b85e7 2406 clearerr(pf);
68dc0745 2407 return;
0a753a76
PP
2408}
2409
68dc0745
PP
2410DllExport int
2411win32_fflush(FILE *pf)
0a753a76 2412{
390b85e7 2413 return fflush(pf);
0a753a76
PP
2414}
2415
68dc0745
PP
2416DllExport long
2417win32_ftell(FILE *pf)
0a753a76 2418{
390b85e7 2419 return ftell(pf);
0a753a76
PP
2420}
2421
68dc0745
PP
2422DllExport int
2423win32_fseek(FILE *pf,long offset,int origin)
0a753a76 2424{
390b85e7 2425 return fseek(pf, offset, origin);
0a753a76
PP
2426}
2427
68dc0745
PP
2428DllExport int
2429win32_fgetpos(FILE *pf,fpos_t *p)
0a753a76 2430{
390b85e7 2431 return fgetpos(pf, p);
0a753a76
PP
2432}
2433
68dc0745
PP
2434DllExport int
2435win32_fsetpos(FILE *pf,const fpos_t *p)
0a753a76 2436{
390b85e7 2437 return fsetpos(pf, p);
0a753a76
PP
2438}
2439
68dc0745
PP
2440DllExport void
2441win32_rewind(FILE *pf)
0a753a76 2442{
390b85e7 2443 rewind(pf);
68dc0745 2444 return;
0a753a76
PP
2445}
2446
68dc0745
PP
2447DllExport FILE*
2448win32_tmpfile(void)
0a753a76 2449{
b3122bc4
JH
2450 dTHX;
2451 char prefix[MAX_PATH+1];
2452 char filename[MAX_PATH+1];
2453 DWORD len = GetTempPath(MAX_PATH, prefix);
2454 if (len && len < MAX_PATH) {
2455 if (GetTempFileName(prefix, "plx", 0, filename)) {
2456 HANDLE fh = CreateFile(filename,
2457 DELETE | GENERIC_READ | GENERIC_WRITE,
2458 0,
2459 NULL,
2460 CREATE_ALWAYS,
2461 FILE_ATTRIBUTE_NORMAL
2462 | FILE_FLAG_DELETE_ON_CLOSE,
2463 NULL);
2464 if (fh != INVALID_HANDLE_VALUE) {
2465 int fd = win32_open_osfhandle((long)fh, 0);
2466 if (fd >= 0) {
2467 DEBUG_p(PerlIO_printf(Perl_debug_log,
2468 "Created tmpfile=%s\n",filename));
2469 return fdopen(fd, "w+b");
2470 }
2471 }
2472 }
2473 }
2474 return NULL;
0a753a76
PP
2475}
2476
68dc0745
PP
2477DllExport void
2478win32_abort(void)
0a753a76 2479{
390b85e7 2480 abort();
68dc0745 2481 return;
0a753a76
PP
2482}
2483
68dc0745 2484DllExport int
22239a37 2485win32_fstat(int fd,struct stat *sbufptr)
0a753a76 2486{
2a07f407
VK
2487#ifdef __BORLANDC__
2488 /* A file designated by filehandle is not shown as accessible
2489 * for write operations, probably because it is opened for reading.
2490 * --Vadim Konovalov
2491 */
2492 int rc = fstat(fd,sbufptr);
2493 BY_HANDLE_FILE_INFORMATION bhfi;
2494 if (GetFileInformationByHandle((HANDLE)_get_osfhandle(fd), &bhfi)) {
2495 sbufptr->st_mode &= 0xFE00;
2496 if (bhfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY)
2497 sbufptr->st_mode |= (S_IREAD + (S_IREAD >> 3) + (S_IREAD >> 6));
2498 else
2499 sbufptr->st_mode |= ((S_IREAD|S_IWRITE) + ((S_IREAD|S_IWRITE) >> 3)
2500 + ((S_IREAD|S_IWRITE) >> 6));
2501 }
2502 return rc;
2503#else
ed59ec62 2504 return my_fstat(fd,sbufptr);
2a07f407 2505#endif
0a753a76
PP
2506}
2507
68dc0745
PP
2508DllExport int
2509win32_pipe(int *pfd, unsigned int size, int mode)
0a753a76 2510{
390b85e7 2511 return _pipe(pfd, size, mode);
0a753a76
PP
2512}
2513
8c0134a8
NIS
2514DllExport PerlIO*
2515win32_popenlist(const char *mode, IV narg, SV **args)
2516{
2517 dTHX;
2518 Perl_croak(aTHX_ "List form of pipe open not implemented");
2519 return NULL;
2520}
2521
50892819
GS
2522/*
2523 * a popen() clone that respects PERL5SHELL
00b02797
JH
2524 *
2525 * changed to return PerlIO* rather than FILE * by BKS, 11-11-2000
50892819
GS
2526 */
2527
00b02797 2528DllExport PerlIO*
68dc0745 2529win32_popen(const char *command, const char *mode)
0a753a76 2530{
4b556e6c 2531#ifdef USE_RTL_POPEN
390b85e7 2532 return _popen(command, mode);
50892819
GS
2533#else
2534 int p[2];
2535 int parent, child;
2536 int stdfd, oldfd;
2537 int ourmode;
2538 int childpid;
2539
2540 /* establish which ends read and write */
2541 if (strchr(mode,'w')) {
2542 stdfd = 0; /* stdin */
2543 parent = 1;
2544 child = 0;
2545 }
2546 else if (strchr(mode,'r')) {
2547 stdfd = 1; /* stdout */
2548 parent = 0;
2549 child = 1;
2550 }
2551 else
2552 return NULL;
2553
2554 /* set the correct mode */
2555 if (strchr(mode,'b'))
2556 ourmode = O_BINARY;
2557 else if (strchr(mode,'t'))
2558 ourmode = O_TEXT;
2559 else
2560 ourmode = _fmode & (O_TEXT | O_BINARY);
2561
2562 /* the child doesn't inherit handles */
2563 ourmode |= O_NOINHERIT;
2564
2565 if (win32_pipe( p, 512, ourmode) == -1)
2566 return NULL;
2567
2568 /* save current stdfd */
2569 if ((oldfd = win32_dup(stdfd)) == -1)
2570 goto cleanup;
2571
2572 /* make stdfd go to child end of pipe (implicitly closes stdfd) */
2573 /* stdfd will be inherited by the child */
2574 if (win32_dup2(p[child], stdfd) == -1)
2575 goto cleanup;
2576
2577 /* close the child end in parent */
2578 win32_close(p[child]);
2579
2580 /* start the child */
4f63d024 2581 {
acfe0abc 2582 dTHX;
c5be433b 2583 if ((childpid = do_spawn_nowait((char*)command)) == -1)
4f63d024 2584 goto cleanup;
50892819 2585
4f63d024
GS
2586 /* revert stdfd to whatever it was before */
2587 if (win32_dup2(oldfd, stdfd) == -1)
2588 goto cleanup;
50892819 2589
4f63d024
GS
2590 /* close saved handle */
2591 win32_close(oldfd);
50892819 2592
4755096e 2593 LOCK_FDPID_MUTEX;
4f63d024 2594 sv_setiv(*av_fetch(w32_fdpid, p[parent], TRUE), childpid);
4755096e 2595 UNLOCK_FDPID_MUTEX;
d91d68c1
R
2596
2597 /* set process id so that it can be returned by perl's open() */
2598 PL_forkprocess = childpid;
4f63d024 2599 }
50892819
GS
2600
2601 /* we have an fd, return a file stream */
00b02797 2602 return (PerlIO_fdopen(p[parent], (char *)mode));
50892819
GS
2603
2604cleanup:
2605 /* we don't need to check for errors here */
2606 win32_close(p[0]);
2607 win32_close(p[1]);
2608 if (oldfd != -1) {
2609 win32_dup2(oldfd, stdfd);
2610 win32_close(oldfd);
2611 }
2612 return (NULL);
2613
4b556e6c 2614#endif /* USE_RTL_POPEN */
0a753a76
PP
2615}
2616
50892819
GS
2617/*
2618 * pclose() clone
2619 */
2620
68dc0745 2621DllExport int
00b02797 2622win32_pclose(PerlIO *pf)
0a753a76 2623{
4b556e6c 2624#ifdef USE_RTL_POPEN
390b85e7 2625 return _pclose(pf);
50892819 2626#else
acfe0abc 2627 dTHX;
e17cb2a9
JD
2628 int childpid, status;
2629 SV *sv;
2630
4755096e 2631 LOCK_FDPID_MUTEX;
00b02797 2632 sv = *av_fetch(w32_fdpid, PerlIO_fileno(pf), TRUE);
4755096e 2633
e17cb2a9
JD
2634 if (SvIOK(sv))
2635 childpid = SvIVX(sv);
2636 else
2637 childpid = 0;
50892819
GS
2638
2639 if (!childpid) {
2640 errno = EBADF;
2641 return -1;
2642 }
2643
00b02797
JH
2644#ifdef USE_PERLIO
2645 PerlIO_close(pf);
2646#else
2647 fclose(pf);
2648#endif
e17cb2a9 2649 SvIVX(sv) = 0;
4755096e 2650 UNLOCK_FDPID_MUTEX;
e17cb2a9 2651
0aaad0ff
GS
2652 if (win32_waitpid(childpid, &status, 0) == -1)
2653 return -1;
50892819 2654
0aaad0ff 2655 return status;
50892819 2656
4b556e6c 2657#endif /* USE_RTL_POPEN */
0a753a76 2658}
6b980173
JD
2659
2660static BOOL WINAPI
2661Nt4CreateHardLinkW(
2662 LPCWSTR lpFileName,
2663 LPCWSTR lpExistingFileName,
2664 LPSECURITY_ATTRIBUTES lpSecurityAttributes)
2665{
2666 HANDLE handle;
2667 WCHAR wFullName[MAX_PATH+1];
2668 LPVOID lpContext = NULL;
2669 WIN32_STREAM_ID StreamId;
2670 DWORD dwSize = (char*)&StreamId.cStreamName - (char*)&StreamId;
2671 DWORD dwWritten;
2672 DWORD dwLen;
2673 BOOL bSuccess;
2674
2675 BOOL (__stdcall *pfnBackupWrite)(HANDLE, LPBYTE, DWORD, LPDWORD,
2676 BOOL, BOOL, LPVOID*) =
2677 (BOOL (__stdcall *)(HANDLE, LPBYTE, DWORD, LPDWORD,
2678 BOOL, BOOL, LPVOID*))
2679 GetProcAddress(GetModuleHandle("kernel32.dll"), "BackupWrite");
2680 if (pfnBackupWrite == NULL)
2681 return 0;
2682
2683 dwLen = GetFullPathNameW(lpFileName, MAX_PATH, wFullName, NULL);
2684 if (dwLen == 0)
2685 return 0;
2686 dwLen = (dwLen+1)*sizeof(WCHAR);
2687
2688 handle = CreateFileW(lpExistingFileName, FILE_WRITE_ATTRIBUTES,
2689 FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
2690 NULL, OPEN_EXISTING, 0, NULL);
2691 if (handle == INVALID_HANDLE_VALUE)
2692 return 0;
2693
2694 StreamId.dwStreamId = BACKUP_LINK;
2695 StreamId.dwStreamAttributes = 0;
2696 StreamId.dwStreamNameSize = 0;
6f24f39d
JK
2697#if defined(__BORLANDC__) \
2698 ||(defined(__MINGW32__) && !defined(_ANONYMOUS_UNION))
4ce4f76e
GS
2699 StreamId.Size.u.HighPart = 0;
2700 StreamId.Size.u.LowPart = dwLen;
2701#else
6b980173
JD
2702 StreamId.Size.HighPart = 0;
2703 StreamId.Size.LowPart = dwLen;
4ce4f76e 2704#endif
6b980173
JD
2705
2706 bSuccess = pfnBackupWrite(handle, (LPBYTE)&StreamId, dwSize, &dwWritten,
2707 FALSE, FALSE, &lpContext);
2708 if (bSuccess) {
2709 bSuccess = pfnBackupWrite(handle, (LPBYTE)wFullName, dwLen, &dwWritten,
2710 FALSE, FALSE, &lpContext);
2711 pfnBackupWrite(handle, NULL, 0, &dwWritten, TRUE, FALSE, &lpContext);
2712 }
2713
2714 CloseHandle(handle);
2715 return bSuccess;
2716}
2717
2718DllExport int
2719win32_link(const char *oldname, const char *newname)
2720{
acfe0abc 2721 dTHX;
6b980173 2722 BOOL (__stdcall *pfnCreateHardLinkW)(LPCWSTR,LPCWSTR,LPSECURITY_ATTRIBUTES);
82867ecf
GS
2723 WCHAR wOldName[MAX_PATH+1];
2724 WCHAR wNewName[MAX_PATH+1];
6b980173
JD
2725
2726 if (IsWin95())
1be9d9c6 2727 Perl_croak(aTHX_ PL_no_func, "link");
6b980173
JD
2728
2729 pfnCreateHardLinkW =
2730 (BOOL (__stdcall *)(LPCWSTR, LPCWSTR, LPSECURITY_ATTRIBUTES))
2731 GetProcAddress(GetModuleHandle("kernel32.dll"), "CreateHardLinkW");
2732 if (pfnCreateHardLinkW == NULL)
2733 pfnCreateHardLinkW = Nt4CreateHardLinkW;
2734
2735 if ((A2WHELPER(oldname, wOldName, sizeof(wOldName))) &&
2736 (A2WHELPER(newname, wNewName, sizeof(wNewName))) &&
7766f137
GS
2737 (wcscpy(wOldName, PerlDir_mapW(wOldName)),
2738 pfnCreateHardLinkW(PerlDir_mapW(wNewName), wOldName, NULL)))
6b980173
JD
2739 {
2740 return 0;
2741 }
2742 errno = (GetLastError() == ERROR_FILE_NOT_FOUND) ? ENOENT : EINVAL;
2743 return -1;
2744}
0a753a76 2745
68dc0745 2746DllExport int
8d9b2e3c 2747win32_rename(const char *oname, const char *newname)
e24c7c18 2748{
65cb15a1
GS
2749 WCHAR wOldName[MAX_PATH+1];
2750 WCHAR wNewName[MAX_PATH+1];
2751 char szOldName[MAX_PATH+1];
2752 char szNewName[MAX_PATH+1];
7fac1903 2753 BOOL bResult;
acfe0abc 2754 dTHX;
65cb15a1 2755
80252599
GS
2756 /* XXX despite what the documentation says about MoveFileEx(),
2757 * it doesn't work under Windows95!
2758 */
2759 if (IsWinNT()) {
65cb15a1 2760 DWORD dwFlags = MOVEFILE_COPY_ALLOWED;
7fac1903 2761 if (USING_WIDE()) {
0cb96387
GS
2762 A2WHELPER(oname, wOldName, sizeof(wOldName));
2763 A2WHELPER(newname, wNewName, sizeof(wNewName));
65cb15a1
GS
2764 if (wcsicmp(wNewName, wOldName))
2765 dwFlags |= MOVEFILE_REPLACE_EXISTING;
7766f137 2766 wcscpy(wOldName, PerlDir_mapW(wOldName));
65cb15a1 2767 bResult = MoveFileExW(wOldName,PerlDir_mapW(wNewName), dwFlags);
7fac1903
GS
2768 }
2769 else {
65cb15a1
GS
2770 if (stricmp(newname, oname))
2771 dwFlags |= MOVEFILE_REPLACE_EXISTING;
2772 strcpy(szOldName, PerlDir_mapA(oname));
2773 bResult = MoveFileExA(szOldName,PerlDir_mapA(newname), dwFlags);
7fac1903
GS
2774 }
2775 if (!bResult) {
80252599
GS
2776 DWORD err = GetLastError();
2777 switch (err) {
2778 case ERROR_BAD_NET_NAME:
2779 case ERROR_BAD_NETPATH:
2780 case ERROR_BAD_PATHNAME:
2781 case ERROR_FILE_NOT_FOUND:
2782 case ERROR_FILENAME_EXCED_RANGE:
2783 case ERROR_INVALID_DRIVE:
2784 case ERROR_NO_MORE_FILES:
2785 case ERROR_PATH_NOT_FOUND:
2786 errno = ENOENT;
2787 break;
2788 default:
2789 errno = EACCES;
2790 break;
2791 }
2792 return -1;
2793 }
2794 return 0;
e24c7c18 2795 }
80252599
GS
2796 else {
2797 int retval = 0;
65cb15a1 2798 char szTmpName[MAX_PATH+1];
80252599
GS
2799 char dname[MAX_PATH+1];
2800 char *endname = Nullch;
2801 STRLEN tmplen = 0;
2802 DWORD from_attr, to_attr;
2803
65cb15a1
GS
2804 strcpy(szOldName, PerlDir_mapA(oname));
2805 strcpy(szNewName, PerlDir_mapA(newname));
2806
80252599 2807 /* if oname doesn't exist, do nothing */
65cb15a1 2808 from_attr = GetFileAttributes(szOldName);
80252599
GS
2809 if (from_attr == 0xFFFFFFFF) {
2810 errno = ENOENT;
2811 return -1;
2812 }
2813
2814 /* if newname exists, rename it to a temporary name so that we
2815 * don't delete it in case oname happens to be the same file
2816 * (but perhaps accessed via a different path)
2817 */
65cb15a1 2818 to_attr = GetFileAttributes(szNewName);
80252599
GS
2819 if (to_attr != 0xFFFFFFFF) {
2820 /* if newname is a directory, we fail
2821 * XXX could overcome this with yet more convoluted logic */
2822 if (to_attr & FILE_ATTRIBUTE_DIRECTORY) {
2823 errno = EACCES;
2824 return -1;
2825 }
65cb15a1
GS
2826 tmplen = strlen(szNewName);
2827 strcpy(szTmpName,szNewName);
2828 endname = szTmpName+tmplen;
2829 for (; endname > szTmpName ; --endname) {
80252599
GS
2830 if (*endname == '/' || *endname == '\\') {
2831 *endname = '\0';
2832 break;
2833 }
2834 }
65cb15a1
GS
2835 if (endname > szTmpName)
2836 endname = strcpy(dname,szTmpName);
e24c7c18 2837 else
80252599
GS
2838 endname = ".";
2839
2840 /* get a temporary filename in same directory
2841 * XXX is this really the best we can do? */
65cb15a1 2842 if (!GetTempFileName((LPCTSTR)endname, "plr", 0, szTmpName)) {
80252599
GS
2843 errno = ENOENT;
2844 return -1;
2845 }
65cb15a1 2846 DeleteFile(szTmpName);
80252599 2847
65cb15a1 2848 retval = rename(szNewName, szTmpName);
80252599
GS
2849 if (retval != 0) {
2850 errno = EACCES;
2851 return retval;
e24c7c18
GS
2852 }
2853 }
80252599
GS
2854
2855 /* rename oname to newname */
65cb15a1 2856 retval = rename(szOldName, szNewName);
80252599
GS
2857
2858 /* if we created a temporary file before ... */
2859 if (endname != Nullch) {
2860 /* ...and rename succeeded, delete temporary file/directory */
2861 if (retval == 0)
65cb15a1 2862 DeleteFile(szTmpName);
80252599
GS
2863 /* else restore it to what it was */
2864 else
65cb15a1 2865 (void)rename(szTmpName, szNewName);
80252599
GS
2866 }
2867 return retval;
e24c7c18 2868 }
e24c7c18
GS
2869}
2870
2871DllExport int
68dc0745 2872win32_setmode(int fd, int mode)
0a753a76 2873{
390b85e7 2874 return setmode(fd, mode);
0a753a76
PP
2875}
2876
96e4d5b1
PP
2877DllExport long
2878win32_lseek(int fd, long offset, int origin)
2879{
390b85e7 2880 return lseek(fd, offset, origin);
96e4d5b1
PP
2881}
2882
2883DllExport long
2884win32_tell(int fd)
2885{
390b85e7 2886 return tell(fd);
96e4d5b1
PP
2887}
2888
68dc0745
PP
2889DllExport int
2890win32_open(const char *path, int flag, ...)
0a753a76 2891{
acfe0abc 2892 dTHX;
68dc0745
PP
2893 va_list ap;
2894 int pmode;
82867ecf 2895 WCHAR wBuffer[MAX_PATH+1];
0a753a76
PP
2896
2897 va_start(ap, flag);
2898 pmode = va_arg(ap, int);
2899 va_end(ap);
2900
68dc0745 2901 if (stricmp(path, "/dev/null")==0)
7fac1903
GS
2902 path = "NUL";
2903
2904 if (USING_WIDE()) {
0cb96387 2905 A2WHELPER(path, wBuffer, sizeof(wBuffer));
7766f137 2906 return _wopen(PerlDir_mapW(wBuffer), flag, pmode);
7fac1903 2907 }
7766f137 2908 return open(PerlDir_mapA(path), flag, pmode);
0a753a76
PP
2909}
2910
00b02797
JH
2911/* close() that understands socket */
2912extern int my_close(int); /* in win32sck.c */
2913
68dc0745
PP
2914DllExport int
2915win32_close(int fd)
0a753a76 2916{
00b02797 2917 return my_close(fd);
0a753a76
PP
2918}
2919
68dc0745 2920DllExport int
96e4d5b1
PP
2921win32_eof(int fd)
2922{
390b85e7 2923 return eof(fd);
96e4d5b1
PP
2924}
2925
2926DllExport int
68dc0745 2927win32_dup(int fd)
0a753a76 2928{
390b85e7 2929 return dup(fd);
0a753a76
PP
2930}
2931
68dc0745
PP
2932DllExport int
2933win32_dup2(int fd1,int fd2)
0a753a76 2934{
390b85e7 2935 return dup2(fd1,fd2);
0a753a76
PP
2936}
2937
f7aeb604
GS
2938#ifdef PERL_MSVCRT_READFIX
2939
2940#define LF 10 /* line feed */
2941#define CR 13 /* carriage return */
2942#define CTRLZ 26 /* ctrl-z means eof for text */
2943#define FOPEN 0x01 /* file handle open */
2944#define FEOFLAG 0x02 /* end of file has been encountered */
2945#define FCRLF 0x04 /* CR-LF across read buffer (in text mode) */
2946#define FPIPE 0x08 /* file handle refers to a pipe */
2947#define FAPPEND 0x20 /* file handle opened O_APPEND */
2948#define FDEV 0x40 /* file handle refers to device */
2949#define FTEXT 0x80 /* file handle is in text mode */
2950#define MAX_DESCRIPTOR_COUNT (64*32) /* this is the maximun that MSVCRT can handle */
2951
b181b6fb
GS
2952int __cdecl
2953_fixed_read(int fh, void *buf, unsigned cnt)
f7aeb604
GS
2954{
2955 int bytes_read; /* number of bytes read */
2956 char *buffer; /* buffer to read to */
2957 int os_read; /* bytes read on OS call */
2958 char *p, *q; /* pointers into buffer */
2959 char peekchr; /* peek-ahead character */
2960 ULONG filepos; /* file position after seek */
2961 ULONG dosretval; /* o.s. return value */
2962
2963 /* validate handle */
2964 if (((unsigned)fh >= (unsigned)MAX_DESCRIPTOR_COUNT) ||
2965 !(_osfile(fh) & FOPEN))
2966 {
2967 /* out of range -- return error */
2968 errno = EBADF;
2969 _doserrno = 0; /* not o.s. error */
2970 return -1;
2971 }
2972
635bbe87
GS
2973 /*
2974 * If lockinitflag is FALSE, assume fd is device
2975 * lockinitflag is set to TRUE by open.
2976 */
2977 if (_pioinfo(fh)->lockinitflag)
2978 EnterCriticalSection(&(_pioinfo(fh)->lock)); /* lock file */
f7aeb604
GS
2979
2980 bytes_read = 0; /* nothing read yet */
2981 buffer = (char*)buf;
2982
2983 if (cnt == 0 || (_osfile(fh) & FEOFLAG)) {
2984 /* nothing to read or at EOF, so return 0 read */
2985 goto functionexit;
2986 }
2987
2988 if ((_osfile(fh) & (FPIPE|FDEV)) && _pipech(fh) != LF) {
2989 /* a pipe/device and pipe lookahead non-empty: read the lookahead
2990 * char */
2991 *buffer++ = _pipech(fh);
2992 ++bytes_read;
2993 --cnt;
2994 _pipech(fh) = LF; /* mark as empty */
2995 }
2996
2997 /* read the data */
2998
2999 if (!ReadFile((HANDLE)_osfhnd(fh), buffer, cnt, (LPDWORD)&os_read, NULL))
3000 {
3001 /* ReadFile has reported an error. recognize two special cases.
3002 *
3003 * 1. map ERROR_ACCESS_DENIED to EBADF
3004 *
3005 * 2. just return 0 if ERROR_BROKEN_PIPE has occurred. it
3006 * means the handle is a read-handle on a pipe for which
3007 * all write-handles have been closed and all data has been
3008 * read. */
3009
3010 if ((dosretval = GetLastError()) == ERROR_ACCESS_DENIED) {
3011 /* wrong read/write mode should return EBADF, not EACCES */
3012 errno = EBADF;
3013 _doserrno = dosretval;
3014 bytes_read = -1;
3015 goto functionexit;
3016 }
3017 else if (dosretval == ERROR_BROKEN_PIPE) {
3018 bytes_read = 0;
3019 goto functionexit;
3020 }
3021 else {
3022 bytes_read = -1;
3023 goto functionexit;
3024 }
3025 }
3026
3027 bytes_read += os_read; /* update bytes read */
3028
3029 if (_osfile(fh) & FTEXT) {
3030 /* now must translate CR-LFs to LFs in the buffer */
3031
3032 /* set CRLF flag to indicate LF at beginning of buffer */
3033 /* if ((os_read != 0) && (*(char *)buf == LF)) */
3034 /* _osfile(fh) |= FCRLF; */
3035 /* else */
3036 /* _osfile(fh) &= ~FCRLF; */
3037
3038 _osfile(fh) &= ~FCRLF;
3039
3040 /* convert chars in the buffer: p is src, q is dest */
3041 p = q = (char*)buf;
3042 while (p < (char *)buf + bytes_read) {
3043 if (*p == CTRLZ) {
3044 /* if fh is not a device, set ctrl-z flag */
3045 if (!(_osfile(fh) & FDEV))
3046 _osfile(fh) |= FEOFLAG;
3047 break; /* stop translating */
3048 }
3049 else if (*p != CR)
3050 *q++ = *p++;
3051 else {
3052 /* *p is CR, so must check next char for LF */
3053 if (p < (char *)buf + bytes_read - 1) {
3054 if (*(p+1) == LF) {
3055 p += 2;
3056 *q++ = LF; /* convert CR-LF to LF */
3057 }
3058 else
3059 *q++ = *p++; /* store char normally */
3060 }
3061 else {
3062 /* This is the hard part. We found a CR at end of
3063 buffer. We must peek ahead to see if next char
3064 is an LF. */
3065 ++p;
3066
3067 dosretval = 0;
3068 if (!ReadFile((HANDLE)_osfhnd(fh), &peekchr, 1,
3069 (LPDWORD)&os_read, NULL))
3070 dosretval = GetLastError();
3071
3072 if (dosretval != 0 || os_read == 0) {
3073 /* couldn't read ahead, store CR */
3074 *q++ = CR;
3075 }
3076 else {
3077 /* peekchr now has the extra character -- we now
3078 have several possibilities:
3079 1. disk file and char is not LF; just seek back
3080 and copy CR
3081 2. disk file and char is LF; store LF, don't seek back
3082 3. pipe/device and char is LF; store LF.
3083 4. pipe/device and char isn't LF, store CR and
3084 put char in pipe lookahead buffer. */
3085 if (_osfile(fh) & (FDEV|FPIPE)) {
3086 /* non-seekable device */
3087 if (peekchr == LF)
3088 *q++ = LF;
3089 else {
3090 *q++ = CR;
3091 _pipech(fh) = peekchr;
3092 }
3093 }
3094 else {
3095 /* disk file */
3096 if (peekchr == LF) {
3097 /* nothing read yet; must make some
3098 progress */
3099 *q++ = LF;
3100 /* turn on this flag for tell routine */
3101 _osfile(fh) |= FCRLF;
3102 }
3103 else {
3104 HANDLE osHandle; /* o.s. handle value */
3105 /* seek back */
3106 if ((osHandle = (HANDLE)_get_osfhandle(fh)) != (HANDLE)-1)
3107 {
3108 if ((filepos = SetFilePointer(osHandle, -1, NULL, FILE_CURRENT)) == -1)
3109 dosretval = GetLastError();
3110 }
3111 if (peekchr != LF)
3112 *q++ = CR;
3113 }
3114 }
3115 }
3116 }
3117 }
3118 }
3119
3120 /* we now change bytes_read to reflect the true number of chars
3121 in the buffer */
3122 bytes_read = q - (char *)buf;
3123 }
3124
3125functionexit:
635bbe87
GS
3126 if (_pioinfo(fh)->lockinitflag)
3127 LeaveCriticalSection(&(_pioinfo(fh)->lock)); /* unlock file */
f7aeb604
GS
3128
3129 return bytes_read;
3130}
3131
3132#endif /* PERL_MSVCRT_READFIX */
3133
68dc0745 3134DllExport int
3e3baf6d 3135win32_read(int fd, void *buf, unsigned int cnt)
0a753a76 3136{
f7aeb604
GS
3137#ifdef PERL_MSVCRT_READFIX
3138 return _fixed_read(fd, buf, cnt);
3139#else
390b85e7 3140 return read(fd, buf, cnt);
f7aeb604 3141#endif
0a753a76
PP
3142}
3143
68dc0745 3144DllExport int
3e3baf6d 3145win32_write(int fd, const void *buf, unsigned int cnt)
0a753a76 3146{
390b85e7 3147 return write(fd, buf, cnt);
0a753a76
PP
3148}
3149
68dc0745 3150DllExport int
5aabfad6
PP
3151win32_mkdir(const char *dir, int mode)
3152{
acfe0abc 3153 dTHX;
7766f137 3154 if (USING_WIDE()) {
82867ecf 3155 WCHAR wBuffer[MAX_PATH+1];
7766f137
GS
3156 A2WHELPER(dir, wBuffer, sizeof(wBuffer));
3157 return _wmkdir(PerlDir_mapW(wBuffer));
3158 }
3159 return mkdir(PerlDir_mapA(dir)); /* just ignore mode */
5aabfad6 3160}
96e4d5b1 3161
5aabfad6
PP
3162DllExport int
3163win32_rmdir(const char *dir)
3164{
acfe0abc 3165 dTHX;
7766f137 3166 if (USING_WIDE()) {
82867ecf 3167 WCHAR wBuffer[MAX_PATH+1];
7766f137
GS
3168 A2WHELPER(dir, wBuffer, sizeof(wBuffer));
3169 return _wrmdir(PerlDir_mapW(wBuffer));
3170 }
3171 return rmdir(PerlDir_mapA(dir));
5aabfad6 3172}
96e4d5b1 3173
5aabfad6
PP
3174DllExport int
3175win32_chdir(const char *dir)
3176{
4ae93879 3177 dTHX;
9ec3348a
JH
3178 if (!dir) {
3179 errno = ENOENT;
3180 return -1;
3181 }
7766f137 3182 if (USING_WIDE()) {
82867ecf 3183 WCHAR wBuffer[MAX_PATH+1];
7766f137
GS
3184 A2WHELPER(dir, wBuffer, sizeof(wBuffer));
3185 return _wchdir(wBuffer);
3186 }
390b85e7 3187 return chdir(dir);
5aabfad6 3188}
96e4d5b1 3189
7766f137
GS
3190DllExport int
3191win32_access(const char *path, int mode)
3192{
acfe0abc 3193 dTHX;
7766f137 3194 if (USING_WIDE()) {
82867ecf 3195 WCHAR wBuffer[MAX_PATH+1];
7766f137
GS
3196 A2WHELPER(path, wBuffer, sizeof(wBuffer));
3197 return _waccess(PerlDir_mapW(wBuffer), mode);
3198 }
3199 return access(PerlDir_mapA(path), mode);
3200}
3201
3202DllExport int
3203win32_chmod(const char *path, int mode)
3204{
acfe0abc 3205 dTHX;
7766f137 3206 if (USING_WIDE()) {
82867ecf 3207 WCHAR wBuffer[MAX_PATH+1];
7766f137
GS
3208 A2WHELPER(path, wBuffer, sizeof(wBuffer));
3209 return _wchmod(PerlDir_mapW(wBuffer), mode);
3210 }
3211 return chmod(PerlDir_mapA(path), mode);
3212}
3213
3214
0aaad0ff 3215static char *
dd7038b3 3216create_command_line(char *cname, STRLEN clen, const char * const *args)
0aaad0ff 3217{
acfe0abc 3218 dTHX;
b309b8ae
JH
3219 int index, argc;
3220 char *cmd, *ptr;
3221 const char *arg;
3222 STRLEN len = 0;
81bc1258 3223 bool bat_file = FALSE;
b309b8ae 3224 bool cmd_shell = FALSE;
7b11e424 3225 bool dumb_shell = FALSE;
b309b8ae 3226 bool extra_quotes = FALSE;
dd7038b3 3227 bool quote_next = FALSE;
81bc1258
JH
3228
3229 if (!cname)
3230 cname = (char*)args[0];
b309b8ae
JH
3231
3232 /* The NT cmd.exe shell has the following peculiarity that needs to be
3233 * worked around. It strips a leading and trailing dquote when any
3234 * of the following is true:
3235 * 1. the /S switch was used
3236 * 2. there are more than two dquotes
3237 * 3. there is a special character from this set: &<>()@^|
3238 * 4. no whitespace characters within the two dquotes
3239 * 5. string between two dquotes isn't an executable file
3240 * To work around this, we always add a leading and trailing dquote
3241 * to the string, if the first argument is either "cmd.exe" or "cmd",
3242 * and there were at least two or more arguments passed to cmd.exe
3243 * (not including switches).
dd7038b3
JH
3244 * XXX the above rules (from "cmd /?") don't seem to be applied
3245 * always, making for the convolutions below :-(
b309b8ae 3246 */
81bc1258 3247 if (cname) {
dd7038b3
JH
3248 if (!clen)
3249 clen = strlen(cname);
3250
81bc1258
JH
3251 if (clen > 4
3252 && (stricmp(&cname[clen-4], ".bat") == 0
3253 || (IsWinNT() && stricmp(&cname[clen-4], ".cmd") == 0)))
3254 {
3255 bat_file = TRUE;
3256 len += 3;
3257 }
dd7038b3
JH
3258 else {
3259 char *exe = strrchr(cname, '/');
3260 char *exe2 = strrchr(cname, '\\');
3261 if (exe2 > exe)
3262 exe = exe2;
3263 if (exe)
3264 ++exe;
3265 else
3266 exe = cname;
3267 if (stricmp(exe, "cmd.exe") == 0 || stricmp(exe, "cmd") == 0) {
3268 cmd_shell = TRUE;
3269 len += 3;
3270 }
7b11e424
JH
3271 else if (stricmp(exe, "command.com") == 0
3272 || stricmp(exe, "command") == 0)
3273 {
3274 dumb_shell = TRUE;
3275 }
81bc1258 3276 }
b309b8ae 3277 }
0aaad0ff 3278
b309b8ae
JH
3279 DEBUG_p(PerlIO_printf(Perl_debug_log, "Args "));
3280 for (index = 0; (arg = (char*)args[index]) != NULL; ++index) {
3281 STRLEN curlen = strlen(arg);
3282 if (!(arg[0] == '"' && arg[curlen-1] == '"'))
3283 len += 2; /* assume quoting needed (worst case) */
3284 len += curlen + 1;
3285 DEBUG_p(PerlIO_printf(Perl_debug_log, "[%s]",arg));
3286 }
3287 DEBUG_p(PerlIO_printf(Perl_debug_log, "\n"));
0aaad0ff 3288
b309b8ae 3289 argc = index;
0aaad0ff
GS
3290 New(1310, cmd, len, char);
3291 ptr = cmd;
0aaad0ff 3292
81bc1258
JH
3293 if (bat_file) {
3294 *ptr++ = '"';
3295 extra_quotes = TRUE;
3296 }
3297
0aaad0ff 3298 for (index = 0; (arg = (char*)args[index]) != NULL; ++index) {
b309b8ae
JH
3299 bool do_quote = 0;
3300 STRLEN curlen = strlen(arg);
3301
81bc1258
JH
3302 /* we want to protect empty arguments and ones with spaces with
3303 * dquotes, but only if they aren't already there */
7b11e424
JH
3304 if (!dumb_shell) {
3305 if (!curlen) {
3306 do_quote = 1;
3307 }
02ef22d5
JH
3308 else if (quote_next) {
3309 /* see if it really is multiple arguments pretending to
3310 * be one and force a set of quotes around it */
3311 if (*find_next_space(arg))
3312 do_quote = 1;
3313 }
7b11e424
JH
3314 else if (!(arg[0] == '"' && curlen > 1 && arg[curlen-1] == '"')) {
3315 STRLEN i = 0;
3316 while (i < curlen) {
3317 if (isSPACE(arg[i])) {
3318 do_quote = 1;
02ef22d5
JH
3319 }
3320 else if (arg[i] == '"') {
3321 do_quote = 0;
7b11e424
JH
3322 break;
3323 }
3324 i++;
b309b8ae 3325 }
b309b8ae 3326 }
dd7038b3 3327 }
b309b8ae
JH
3328
3329 if (do_quote)
3330 *ptr++ = '"';
3331
18a945d4 3332 strcpy(ptr, arg);
b309b8ae
JH
3333 ptr += curlen;
3334
3335 if (do_quote)
3336 *ptr++ = '"';
3337
3338 if (args[index+1])
3339 *ptr++ = ' ';
3340
81bc1258
JH
3341 if (!extra_quotes
3342 && cmd_shell
dd7038b3 3343 && (stricmp(arg, "/x/c") == 0 || stricmp(arg, "/c") == 0))
b309b8ae 3344 {
dd7038b3
JH
3345 /* is there a next argument? */
3346 if (args[index+1]) {
3347 /* are there two or more next arguments? */
3348 if (args[index+2]) {
3349 *ptr++ = '"';
3350 extra_quotes = TRUE;
3351 }
3352 else {
02ef22d5 3353 /* single argument, force quoting if it has spaces */
dd7038b3
JH
3354 quote_next = TRUE;
3355 }
3356 }
b309b8ae 3357 }
0aaad0ff
GS
3358 }
3359
b309b8ae
JH
3360 if (extra_quotes)
3361 *ptr++ = '"';
3362
3363 *ptr = '\0';
3364
0aaad0ff
GS
3365 return cmd;
3366}
3367
3368static char *
3369qualified_path(const char *cmd)
3370{
acfe0abc 3371 dTHX;
0aaad0ff
GS
3372 char *pathstr;
3373 char *fullcmd, *curfullcmd;
3374 STRLEN cmdlen = 0;
3375 int has_slash = 0;
3376
3377 if (!cmd)
3378 return Nullch;
3379 fullcmd = (char*)cmd;
3380 while (*fullcmd) {
3381 if (*fullcmd == '/' || *fullcmd == '\\')
3382 has_slash++;
3383 fullcmd++;
3384 cmdlen++;
3385 }
3386
3387 /* look in PATH */
2fb9ab56 3388 pathstr = PerlEnv_getenv("PATH");
0aaad0ff
GS
3389 New(0, fullcmd, MAX_PATH+1, char);
3390 curfullcmd = fullcmd;
3391
3392 while (1) {
3393 DWORD res;
3394
3395 /* start by appending the name to the current prefix */
3396 strcpy(curfullcmd, cmd);
3397 curfullcmd += cmdlen;
3398
3399 /* if it doesn't end with '.', or has no extension, try adding
3400 * a trailing .exe first */
3401 if (cmd[cmdlen-1] != '.'
3402 && (cmdlen < 4 || cmd[cmdlen-4] != '.'))
3403 {
3404 strcpy(curfullcmd, ".exe");
3405 res = GetFileAttributes(fullcmd);
3406 if (res != 0xFFFFFFFF && !(res & FILE_ATTRIBUTE_DIRECTORY))
3407 return fullcmd;
3408 *curfullcmd = '\0';
3409 }
3410
3411 /* that failed, try the bare name */
3412 res = GetFileAttributes(fullcmd);
3413 if (res != 0xFFFFFFFF && !(res & FILE_ATTRIBUTE_DIRECTORY))
3414 return fullcmd;
3415
3416 /* quit if no other path exists, or if cmd already has path */
3417 if (!pathstr || !*pathstr || has_slash)
3418 break;
3419
3420 /* skip leading semis */
3421 while (*pathstr == ';')
3422 pathstr++;
3423
3424 /* build a new prefix from scratch */
3425 curfullcmd = fullcmd;
3426 while (*pathstr && *pathstr != ';') {
3427 if (*pathstr == '"') { /* foo;"baz;etc";bar */
3428 pathstr++; /* skip initial '"' */
3429 while (*pathstr && *pathstr != '"') {
3430 if (curfullcmd-fullcmd < MAX_PATH-cmdlen-5)
3431 *curfullcmd++ = *pathstr;
3432 pathstr++;
3433 }
3434 if (*pathstr)
3435 pathstr++; /* skip trailing '"' */
3436 }
3437 else {
3438 if (curfullcmd-fullcmd < MAX_PATH-cmdlen-5)
3439 *curfullcmd++ = *pathstr;
3440 pathstr++;
3441 }
3442 }
3443 if (*pathstr)
3444 pathstr++; /* skip trailing semi */
3445 if (curfullcmd > fullcmd /* append a dir separator */
3446 && curfullcmd[-1] != '/' && curfullcmd[-1] != '\\')
3447 {
3448 *curfullcmd++ = '\\';
3449 }
3450 }
3451GIVE_UP:
3452 Safefree(fullcmd);
3453 return Nullch;
3454}
3455
3075ddba
GS
3456/* The following are just place holders.
3457 * Some hosts may provide and environment that the OS is
3458 * not tracking, therefore, these host must provide that
3459 * environment and the current directory to CreateProcess
3460 */
3461
df3728a2
JH
3462DllExport void*
3463win32_get_childenv(void)
3075ddba
GS
3464{
3465 return NULL;
3466}
3467
df3728a2
JH
3468DllExport void
3469win32_free_childenv(void* d)
3075ddba
GS
3470{
3471}
3472
df3728a2
JH
3473DllExport void
3474win32_clearenv(void)
3475{
3476 char *envv = GetEnvironmentStrings();
3477 char *cur = envv;
3478 STRLEN len;
3479 while (*cur) {
3480 char *end = strchr(cur,'=');
3481 if (end && end != cur) {
3482 *end = '\0';
3483 SetEnvironmentVariable(cur, NULL);
3484 *end = '=';
3485 cur = end + strlen(end+1)+2;
3486 }
3487 else if ((len = strlen(cur)))
3488 cur += len+1;
3489 }
3490 FreeEnvironmentStrings(envv);
3491}
3492
3493DllExport char*
3494win32_get_childdir(void)
3075ddba 3495{
acfe0abc 3496 dTHX;
7766f137
GS
3497 char* ptr;
3498 char szfilename[(MAX_PATH+1)*2];
3499 if (USING_WIDE()) {
3500 WCHAR wfilename[MAX_PATH+1];
3501 GetCurrentDirectoryW(MAX_PATH+1, wfilename);
3502 W2AHELPER(wfilename, szfilename, sizeof(szfilename));
3503 }
3504 else {
3505 GetCurrentDirectoryA(MAX_PATH+1, szfilename);
3506 }
3507
3508 New(0, ptr, strlen(szfilename)+1, char);
3509 strcpy(ptr, szfilename);
3510 return ptr;
3075ddba
GS
3511}
3512
df3728a2
JH
3513DllExport void
3514win32_free_childdir(char* d)
3075ddba 3515{
acfe0abc 3516 dTHX;
7766f137 3517 Safefree(d);
3075ddba
GS
3518}
3519
3520
0aaad0ff
GS
3521/* XXX this needs to be made more compatible with the spawnvp()
3522 * provided by the various RTLs. In particular, searching for
3523 * *.{com,bat,cmd} files (as done by the RTLs) is unimplemented.
3524 * This doesn't significantly affect perl itself, because we
3525 * always invoke things using PERL5SHELL if a direct attempt to
3526 * spawn the executable fails.
3527 *
3528 * XXX splitting and rejoining the commandline between do_aspawn()
3529 * and win32_spawnvp() could also be avoided.
3530 */
3531
5aabfad6 3532DllExport int
3e3baf6d 3533win32_spawnvp(int mode, const char *cmdname, const char *const *argv)
0a753a76 3534{
0aaad0ff
GS
3535#ifdef USE_RTL_SPAWNVP
3536 return spawnvp(mode, cmdname, (char * const *)argv);
3537#else
acfe0abc 3538 dTHX;
2b260de0 3539 int ret;
3075ddba
GS
3540 void* env;
3541 char* dir;
635bbe87 3542 child_IO_table tbl;
0aaad0ff
GS
3543 STARTUPINFO StartupInfo;
3544 PROCESS_INFORMATION ProcessInformation;
3545 DWORD create = 0;
dd7038b3 3546 char *cmd;
0aaad0ff 3547 char *fullcmd = Nullch;
dd7038b3
JH
3548 char *cname = (char *)cmdname;
3549 STRLEN clen = 0;
3550
3551 if (cname) {
3552 clen = strlen(cname);
3553 /* if command name contains dquotes, must remove them */
3554 if (strchr(cname, '"')) {
3555 cmd = cname;
3556 New(0,cname,clen+1,char);
3557 clen = 0;
3558 while (*cmd) {
3559 if (*cmd != '"') {
3560 cname[clen] = *cmd;
3561 ++clen;
3562 }
3563 ++cmd;
3564 }
3565 cname[clen] = '\0';
3566 }
3567 }
3568
3569 cmd = create_command_line(cname, clen, argv);
0aaad0ff 3570
3075ddba
GS
3571 env = PerlEnv_get_childenv();
3572 dir = PerlEnv_get_childdir();
3573
0aaad0ff
GS
3574 switch(mode) {
3575 case P_NOWAIT: /* asynch + remember result */
3576 if (w32_num_children >= MAXIMUM_WAIT_OBJECTS) {
3577 errno = EAGAIN;
3578 ret = -1;
3579 goto RETVAL;
3580 }
7e5f34c0
NIS
3581 /* Create a new process group so we can use GenerateConsoleCtrlEvent()
3582 * in win32_kill()
3583 */
3584 create |= CREATE_NEW_PROCESS_GROUP;
0aaad0ff 3585 /* FALL THROUGH */
7e5f34c0 3586
0aaad0ff
GS
3587 case P_WAIT: /* synchronous execution */
3588 break;
3589 default: /* invalid mode */
3590 errno = EINVAL;
3591 ret = -1;
3592 goto RETVAL;
3593 }
3594 memset(&StartupInfo,0,sizeof(StartupInfo));
3595 StartupInfo.cb = sizeof(StartupInfo);
f83751a7 3596 memset(&tbl,0,sizeof(tbl));
635bbe87 3597 PerlEnv_get_child_IO(&tbl);
f83751a7
GS
3598 StartupInfo.dwFlags = tbl.dwFlags;
3599 StartupInfo.dwX = tbl.dwX;
3600 StartupInfo.dwY = tbl.dwY;
3601 StartupInfo.dwXSize = tbl.dwXSize;
3602 StartupInfo.dwYSize = tbl.dwYSize;
3603 StartupInfo.dwXCountChars = tbl.dwXCountChars;
3604 StartupInfo.dwYCountChars = tbl.dwYCountChars;
3605 StartupInfo.dwFillAttribute = tbl.dwFillAttribute;
3606 StartupInfo.wShowWindow = tbl.wShowWindow;
3607 StartupInfo.hStdInput = tbl.childStdIn;
3608 StartupInfo.hStdOutput = tbl.childStdOut;
3609 StartupInfo.hStdError = tbl.childStdErr;
3ffaa937
GS
3610 if (StartupInfo.hStdInput != INVALID_HANDLE_VALUE &&
3611 StartupInfo.hStdOutput != INVALID_HANDLE_VALUE &&
3612 StartupInfo.hStdError != INVALID_HANDLE_VALUE)
3613 {
3614 StartupInfo.dwFlags |= STARTF_USESTDHANDLES;
3615 }
3616 else {
3617 create |= CREATE_NEW_CONSOLE;
3618 }
3619
b309b8ae 3620 DEBUG_p(PerlIO_printf(Perl_debug_log, "Spawning [%s] with [%s]\n",
dd7038b3 3621 cname,cmd));
0aaad0ff 3622RETRY:
dd7038b3 3623 if (!CreateProcess(cname, /* search PATH to find executable */
0aaad0ff
GS
3624 cmd, /* executable, and its arguments */
3625 NULL, /* process attributes */
3626 NULL, /* thread attributes */
3627 TRUE, /* inherit handles */
3628 create, /* creation flags */
3075ddba
GS
3629 (LPVOID)env, /* inherit environment */
3630 dir, /* inherit cwd */
0aaad0ff
GS
3631 &StartupInfo,
3632 &ProcessInformation))
3633 {
3634 /* initial NULL argument to CreateProcess() does a PATH
3635 * search, but it always first looks in the directory
3636 * where the current process was started, which behavior
3637 * is undesirable for backward compatibility. So we
3638 * jump through our own hoops by picking out the path
3639 * we really want it to use. */
3640 if (!fullcmd) {
dd7038b3 3641 fullcmd = qualified_path(cname);
0aaad0ff 3642 if (fullcmd) {
dd7038b3
JH
3643 if (cname != cmdname)
3644 Safefree(cname);
3645 cname = fullcmd;
b309b8ae
JH
3646 DEBUG_p(PerlIO_printf(Perl_debug_log,
3647 "Retrying [%s] with same args\n",
dd7038b3 3648 cname));
0aaad0ff
GS
3649 goto RETRY;
3650 }
3651 }
3652 errno = ENOENT;
3653 ret = -1;
3654 goto RETVAL;
3655 }
2d7a9237