This is a live mirror of the Perl 5 development currently hosted at https://github.com/perl/perl5
More signal hackery
[perl5.git] / win32 / win32.c
CommitLineData
68dc0745 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 11#define WIN32_LEAN_AND_MEAN
12#define WIN32IO_IS_STDIO
13#include <tchar.h>
a835ef8a
NIS
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 29#if !defined(PERLIO_IS_STDIO) && !defined(USE_SFIO)
30#define PerlIO FILE
31#endif
32
7a9ec5a3 33#include <sys/stat.h>
0a753a76 34#include "EXTERN.h"
35#include "perl.h"
c69f6586
GS
36
37#define NO_XSLOCKS
c5be433b 38#define PERL_NO_GET_CONTEXT
ad2e33dc 39#include "XSUB.h"
c69f6586
GS
40
41#include "Win32iop.h"
0a753a76 42#include <fcntl.h>
5b0d9cbe
NIS
43#ifndef __GNUC__
44/* assert.h conflicts with #define of assert in perl.h */
0a753a76 45#include <assert.h>
5b0d9cbe 46#endif
0a753a76 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
GS
104static char * win32_get_xlib(const char *pl, const char *xlib,
105 const char *libname);
106
7766f137
GS
107#ifdef USE_ITHREADS
108static void remove_dead_pseudo_process(long child);
109static long find_pseudo_pid(int pid);
110#endif
c69f6586 111
7766f137 112START_EXTERN_C
2d7a9237 113HANDLE w32_perldll_handle = INVALID_HANDLE_VALUE;
8ac9c18d 114char w32_module_name[MAX_PATH+1];
7766f137
GS
115END_EXTERN_C
116
4b556e6c 117static DWORD w32_platform = (DWORD)-1;
50892819 118
7766f137
GS
119#define ONE_K_BUFSIZE 1024
120
3fe9a6f1 121int
ba106d47
GS
122IsWin95(void)
123{
0cb96387 124 return (win32_os_id() == VER_PLATFORM_WIN32_WINDOWS);
3fe9a6f1 125}
126
127int
ba106d47
GS
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 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 355 case '\'':
356 case '\"':
9404a519
GS
357 if (inquote) {
358 if (quote == *ptr) {
68dc0745 359 inquote = 0;
360 quote = '\0';
0a753a76 361 }
68dc0745 362 }
363 else {
364 quote = *ptr;
365 inquote++;
366 }
367 break;
368 case '>':
369 case '<':
370 case '|':
9404a519 371 if (!inquote)
68dc0745 372 return TRUE;
373 default:
374 break;
0a753a76 375 }
68dc0745 376 ++ptr;
377 }
378 return FALSE;
0a753a76 379}
380
32e30700 381#if !defined(PERL_IMPLICIT_SYS)
68dc0745 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 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 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 406}
407
68dc0745 408long
4f63d024 409Perl_my_pclose(pTHX_ PerlIO *fp)
0a753a76 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 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 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 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 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 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 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 627 New(1301,argv, strlen(cmd) / 2 + 2, char*);
628 New(1302,cmd2, strlen(cmd) + 1, char);
68dc0745 629 strcpy(cmd2, cmd);
630 a = argv;
631 for (s = cmd2; *s;) {
de030af3 632 while (*s && isSPACE(*s))
68dc0745 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 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 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 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 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 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 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 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 820}
821
822
68dc0745 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 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 883 return &(dirp->dirstr);
884 }
885 else
886 return NULL;
0a753a76 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 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 904}
905
68dc0745 906/* Rewinddir resets the string pointer to the start */
c5be433b 907DllExport void
ce2e26e5 908win32_rewinddir(DIR *dirp)
0a753a76 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 920 Safefree(dirp->start);
921 Safefree(dirp);
68dc0745 922 return 1;
0a753a76 923}
924
925
68dc0745 926/*
927 * various stubs
928 */
0a753a76 929
930
68dc0745 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 936
937#define ROOT_UID ((uid_t)0)
938#define ROOT_GID ((gid_t)0)
939
68dc0745 940uid_t
941getuid(void)
0a753a76 942{
68dc0745 943 return ROOT_UID;
0a753a76 944}
945
68dc0745 946uid_t
947geteuid(void)
0a753a76 948{
68dc0745 949 return ROOT_UID;
0a753a76 950}
951
68dc0745 952gid_t
953getgid(void)
0a753a76 954{
68dc0745 955 return ROOT_GID;
0a753a76 956}
957
68dc0745 958gid_t
959getegid(void)
0a753a76 960{
68dc0745 961 return ROOT_GID;
0a753a76 962}
963
68dc0745 964int
22239a37 965setuid(uid_t auid)
0a753a76 966{
22239a37 967 return (auid == ROOT_UID ? 0 : -1);
0a753a76 968}
969
68dc0745 970int
22239a37 971setgid(gid_t agid)
0a753a76 972{
22239a37 973 return (agid == ROOT_GID ? 0 : -1);
0a753a76 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 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 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 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 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 */
1725 while (PeekMessage(&msg, (HWND)-1, 0, 0, PM_REMOVE)) {
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 */
1745 KillTimer(NULL,w32_timerid);
1746 w32_timerid=0;
1747 /* Now fake a call to signal handler */
1748 CALL_FPTR(PL_sighandlerp)(14);
1749 break;
1750 }
1751
1752 /* Otherwise do normal Win32 thing - in case it is useful */
1753 default:
1754 TranslateMessage(&msg);
1755 DispatchMessage(&msg);
1756 ours = 0;
1757 break;
1758 }
1759 }
1760
7e5f34c0 1761 /* Above or other stuff may have set a signal flag */
8fb3fcfb
NIS
1762 if (PL_sig_pending) {
1763 despatch_signals();
1764 }
1765 return ours;
1766}
1767
1768DllExport DWORD
1769win32_msgwait(pTHX_ DWORD count, LPHANDLE handles, DWORD timeout, LPDWORD resultp)
1770{
1771 /* We may need several goes at this - so compute when we stop */
1772 DWORD ticks = 0;
1773 if (timeout != INFINITE) {
1774 ticks = GetTickCount();
1775 timeout += ticks;
1776 }
1777 while (1) {
1778 DWORD result = MsgWaitForMultipleObjects(count,handles,FALSE,timeout-ticks, QS_ALLEVENTS);
1779 if (resultp)
1780 *resultp = result;
1781 if (result == WAIT_TIMEOUT) {
1782 /* Ran out of time - explicit return of zero to avoid -ve if we
1783 have scheduling issues
1784 */
1785 return 0;
1786 }
1787 if (timeout != INFINITE) {
1788 ticks = GetTickCount();
1789 }
1790 if (result == WAIT_OBJECT_0 + count) {
1791 /* Message has arrived - check it */
1792 if (win32_async_check(aTHX)) {
1793 /* was one of ours */
1794 break;
1795 }
1796 }
1797 else {
1798 /* Not timeout or message - one of handles is ready */
1799 break;
1800 }
1801 }
1802 /* compute time left to wait */
1803 ticks = timeout - ticks;
1804 /* If we are past the end say zero */
1805 return (ticks > 0) ? ticks : 0;
1806}
1807
932b7487
RC
1808int
1809win32_internal_wait(int *status, DWORD timeout)
1810{
1811 /* XXX this wait emulation only knows about processes
1812 * spawned via win32_spawnvp(P_NOWAIT, ...).
1813 */
1814 dTHX;
1815 int i, retval;
1816 DWORD exitcode, waitcode;
1817
1818#ifdef USE_ITHREADS
1819 if (w32_num_pseudo_children) {
8fb3fcfb
NIS
1820 win32_msgwait(aTHX_ w32_num_pseudo_children, w32_pseudo_child_handles,
1821 timeout, &waitcode);
932b7487
RC
1822 /* Time out here if there are no other children to wait for. */
1823 if (waitcode == WAIT_TIMEOUT) {
1824 if (!w32_num_children) {
1825 return 0;
1826 }
1827 }
1828 else if (waitcode != WAIT_FAILED) {
1829 if (waitcode >= WAIT_ABANDONED_0
1830 && waitcode < WAIT_ABANDONED_0 + w32_num_pseudo_children)
1831 i = waitcode - WAIT_ABANDONED_0;
1832 else
1833 i = waitcode - WAIT_OBJECT_0;
1834 if (GetExitCodeThread(w32_pseudo_child_handles[i], &exitcode)) {
1835 *status = (int)((exitcode & 0xff) << 8);
1836 retval = (int)w32_pseudo_child_pids[i];
1837 remove_dead_pseudo_process(i);
1838 return -retval;
1839 }
1840 }
1841 }
1842#endif
1843
1844 if (!w32_num_children) {
1845 errno = ECHILD;
1846 return -1;
1847 }
1848
1849 /* if a child exists, wait for it to die */
8fb3fcfb 1850 win32_msgwait(aTHX_ w32_num_children, w32_child_handles, timeout, &waitcode);
932b7487
RC
1851 if (waitcode == WAIT_TIMEOUT) {
1852 return 0;
1853 }
1854 if (waitcode != WAIT_FAILED) {
1855 if (waitcode >= WAIT_ABANDONED_0
1856 && waitcode < WAIT_ABANDONED_0 + w32_num_children)
1857 i = waitcode - WAIT_ABANDONED_0;
1858 else
1859 i = waitcode - WAIT_OBJECT_0;
1860 if (GetExitCodeProcess(w32_child_handles[i], &exitcode) ) {
1861 *status = (int)((exitcode & 0xff) << 8);
1862 retval = (int)w32_child_pids[i];
1863 remove_dead_process(i);
1864 return retval;
1865 }
1866 }
1867
1868FAILED:
1869 errno = GetLastError();
1870 return -1;
1871}
1872
b2af26b1 1873DllExport int
f55ee38a
GS
1874win32_waitpid(int pid, int *status, int flags)
1875{
acfe0abc 1876 dTHX;
922b1888 1877 DWORD timeout = (flags & WNOHANG) ? 0 : INFINITE;
0aaad0ff 1878 int retval = -1;
c66b022d 1879 long child;
7766f137 1880 if (pid == -1) /* XXX threadid == 1 ? */
932b7487 1881 return win32_internal_wait(status, timeout);
7766f137
GS
1882#ifdef USE_ITHREADS
1883 else if (pid < 0) {
c66b022d 1884 child = find_pseudo_pid(-pid);
7766f137
GS
1885 if (child >= 0) {
1886 HANDLE hThread = w32_pseudo_child_handles[child];
8fb3fcfb
NIS
1887 DWORD waitcode;
1888 win32_msgwait(aTHX_ 1, &hThread, timeout, &waitcode);
2f67576d
BC
1889 if (waitcode == WAIT_TIMEOUT) {
1890 return 0;
1891 }
8fb3fcfb 1892 else if (waitcode == WAIT_OBJECT_0) {
7766f137
GS
1893 if (GetExitCodeThread(hThread, &waitcode)) {
1894 *status = (int)((waitcode & 0xff) << 8);
1895 retval = (int)w32_pseudo_child_pids[child];
1896 remove_dead_pseudo_process(child);
68a29c53 1897 return -retval;
7766f137
GS
1898 }
1899 }
1900 else
1901 errno = ECHILD;
1902 }
922b1888
GS
1903 else if (IsWin95()) {
1904 pid = -pid;
1905 goto alien_process;
1906 }
7766f137
GS
1907 }
1908#endif
f55ee38a 1909 else {
922b1888
GS
1910 HANDLE hProcess;
1911 DWORD waitcode;
c66b022d 1912 child = find_pid(pid);
0aaad0ff 1913 if (child >= 0) {
922b1888 1914 hProcess = w32_child_handles[child];
8fb3fcfb 1915 win32_msgwait(aTHX_ 1, &hProcess, timeout, &waitcode);
a7867d0a
GS
1916 if (waitcode == WAIT_TIMEOUT) {
1917 return 0;
1918 }
8fb3fcfb 1919 else if (waitcode == WAIT_OBJECT_0) {
922b1888
GS
1920 if (GetExitCodeProcess(hProcess, &waitcode)) {
1921 *status = (int)((waitcode & 0xff) << 8);
1922 retval = (int)w32_child_pids[child];
1923 remove_dead_process(child);
1924 return retval;
1925 }
a7867d0a 1926 }
0aaad0ff
GS
1927 else
1928 errno = ECHILD;
1929 }
1930 else {
922b1888
GS
1931alien_process:
1932 hProcess = OpenProcess(PROCESS_ALL_ACCESS, TRUE,
1933 (IsWin95() ? -pid : pid));
1934 if (hProcess) {
8fb3fcfb 1935 win32_msgwait(aTHX_ 1, &hProcess, timeout, &waitcode);
922b1888
GS
1936 if (waitcode == WAIT_TIMEOUT) {
1937 return 0;
1938 }
8fb3fcfb 1939 else if (waitcode == WAIT_OBJECT_0) {
922b1888
GS
1940 if (GetExitCodeProcess(hProcess, &waitcode)) {
1941 *status = (int)((waitcode & 0xff) << 8);
1942 CloseHandle(hProcess);
1943 return pid;
1944 }
1945 }
1946 CloseHandle(hProcess);
1947 }
1948 else
1949 errno = ECHILD;
0aaad0ff 1950 }
f55ee38a 1951 }
0aaad0ff 1952 return retval >= 0 ? pid : retval;
f55ee38a
GS
1953}
1954
1955DllExport int
2d7a9237
GS
1956win32_wait(int *status)
1957{
932b7487 1958 return win32_internal_wait(status, INFINITE);
2d7a9237 1959}
d55594ae 1960
8fb3fcfb
NIS
1961DllExport unsigned int
1962win32_sleep(unsigned int t)
d55594ae 1963{
acfe0abc 1964 dTHX;
8fb3fcfb
NIS
1965 /* Win32 times are in ms so *1000 in and /1000 out */
1966 return win32_msgwait(aTHX_ 0, NULL, t*1000, NULL)/1000;
d55594ae
GS
1967}
1968
f3986ebb
GS
1969DllExport unsigned int
1970win32_alarm(unsigned int sec)
0a753a76 1971{
d55594ae
GS
1972 /*
1973 * the 'obvious' implentation is SetTimer() with a callback
1974 * which does whatever receiving SIGALRM would do
1975 * we cannot use SIGALRM even via raise() as it is not
1976 * one of the supported codes in <signal.h>
d55594ae 1977 */
acfe0abc 1978 dTHX;
8fb3fcfb
NIS
1979 if (sec) {
1980 w32_timerid = SetTimer(NULL,w32_timerid,sec*1000,NULL);
1981 }
1982 else {
1983 if (w32_timerid) {
1984 KillTimer(NULL,w32_timerid);
1985 w32_timerid=0;
1986 }
1987 }
afe91769 1988 return 0;
0a753a76 1989}
1990
26618a56 1991#ifdef HAVE_DES_FCRYPT
2d77217b 1992extern char * des_fcrypt(const char *txt, const char *salt, char *cbuf);
ff95b63e 1993#endif
26618a56
GS
1994
1995DllExport char *
1996win32_crypt(const char *txt, const char *salt)
1997{
acfe0abc 1998 dTHX;
ff95b63e 1999#ifdef HAVE_DES_FCRYPT
3352bfcb 2000 return des_fcrypt(txt, salt, w32_crypt_buffer);
ff95b63e 2001#else
25dbdbbc 2002 Perl_croak(aTHX_ "The crypt() function is unimplemented due to excessive paranoia.");
b8957cf1 2003 return Nullch;
ff95b63e 2004#endif
26618a56 2005}
26618a56 2006
9e5f57de 2007#ifdef USE_FIXED_OSFHANDLE
390b85e7
GS
2008
2009#define FOPEN 0x01 /* file handle open */
b181b6fb 2010#define FNOINHERIT 0x10 /* file handle opened O_NOINHERIT */
390b85e7
GS
2011#define FAPPEND 0x20 /* file handle opened O_APPEND */
2012#define FDEV 0x40 /* file handle refers to device */
2013#define FTEXT 0x80 /* file handle is in text mode */
2014
390b85e7
GS
2015/***
2016*int my_open_osfhandle(long osfhandle, int flags) - open C Runtime file handle
2017*
2018*Purpose:
2019* This function allocates a free C Runtime file handle and associates
2020* it with the Win32 HANDLE specified by the first parameter. This is a
9e5f57de
GS
2021* temperary fix for WIN95's brain damage GetFileType() error on socket
2022* we just bypass that call for socket
2023*
2024* This works with MSVC++ 4.0+ or GCC/Mingw32
390b85e7
GS
2025*
2026*Entry:
2027* long osfhandle - Win32 HANDLE to associate with C Runtime file handle.
2028* int flags - flags to associate with C Runtime file handle.
2029*
2030*Exit:
2031* returns index of entry in fh, if successful
2032* return -1, if no free entry is found
2033*
2034*Exceptions:
2035*
2036*******************************************************************************/
2037
9e5f57de
GS
2038/*
2039 * we fake up some parts of the CRT that aren't exported by MSVCRT.dll
2040 * this lets sockets work on Win9X with GCC and should fix the problems
2041 * with perl95.exe
2042 * -- BKS, 1-23-2000
2043*/
2044
9e5f57de
GS
2045/* create an ioinfo entry, kill its handle, and steal the entry */
2046
b181b6fb
GS
2047static int
2048_alloc_osfhnd(void)
9e5f57de
GS
2049{
2050 HANDLE hF = CreateFile("NUL", 0, 0, NULL, OPEN_ALWAYS, 0, NULL);
dd8f4818 2051 int fh = _open_osfhandle((long)hF, 0);
9e5f57de
GS
2052 CloseHandle(hF);
2053 if (fh == -1)
2054 return fh;
2055 EnterCriticalSection(&(_pioinfo(fh)->lock));
2056 return fh;
2057}
2058
390b85e7
GS
2059static int
2060my_open_osfhandle(long osfhandle, int flags)
2061{
2062 int fh;
2063 char fileflags; /* _osfile flags */
2064
2065 /* copy relevant flags from second parameter */
2066 fileflags = FDEV;
2067
9404a519 2068 if (flags & O_APPEND)
390b85e7
GS
2069 fileflags |= FAPPEND;
2070
9404a519 2071 if (flags & O_TEXT)
390b85e7
GS
2072 fileflags |= FTEXT;
2073
b181b6fb
GS
2074 if (flags & O_NOINHERIT)
2075 fileflags |= FNOINHERIT;
2076
390b85e7 2077 /* attempt to allocate a C Runtime file handle */
9404a519 2078 if ((fh = _alloc_osfhnd()) == -1) {
390b85e7
GS
2079 errno = EMFILE; /* too many open files */
2080 _doserrno = 0L; /* not an OS error */
2081 return -1; /* return error to caller */
2082 }
2083
2084 /* the file is open. now, set the info in _osfhnd array */
2085 _set_osfhnd(fh, osfhandle);
2086
2087 fileflags |= FOPEN; /* mark as open */
2088
390b85e7 2089 _osfile(fh) = fileflags; /* set osfile entry */
dd8f4818 2090 LeaveCriticalSection(&_pioinfo(fh)->lock);
390b85e7
GS
2091
2092 return fh; /* return handle */
2093}
2094
f3986ebb 2095#endif /* USE_FIXED_OSFHANDLE */
390b85e7
GS
2096
2097/* simulate flock by locking a range on the file */
2098
2099#define LK_ERR(f,i) ((f) ? (i = 0) : (errno = GetLastError()))
2100#define LK_LEN 0xffff0000
2101
f3986ebb
GS
2102DllExport int
2103win32_flock(int fd, int oper)
390b85e7
GS
2104{
2105 OVERLAPPED o;
2106 int i = -1;
2107 HANDLE fh;
2108
f3986ebb 2109 if (!IsWinNT()) {
acfe0abc 2110 dTHX;
4f63d024 2111 Perl_croak_nocontext("flock() unimplemented on this platform");
f3986ebb
GS
2112 return -1;
2113 }
390b85e7
GS
2114 fh = (HANDLE)_get_osfhandle(fd);
2115 memset(&o, 0, sizeof(o));
2116
2117 switch(oper) {
2118 case LOCK_SH: /* shared lock */
2119 LK_ERR(LockFileEx(fh, 0, 0, LK_LEN, 0, &o),i);
2120 break;
2121 case LOCK_EX: /* exclusive lock */
2122 LK_ERR(LockFileEx(fh, LOCKFILE_EXCLUSIVE_LOCK, 0, LK_LEN, 0, &o),i);
2123 break;
2124 case LOCK_SH|LOCK_NB: /* non-blocking shared lock */
2125 LK_ERR(LockFileEx(fh, LOCKFILE_FAIL_IMMEDIATELY, 0, LK_LEN, 0, &o),i);
2126 break;
2127 case LOCK_EX|LOCK_NB: /* non-blocking exclusive lock */
2128 LK_ERR(LockFileEx(fh,
2129 LOCKFILE_EXCLUSIVE_LOCK|LOCKFILE_FAIL_IMMEDIATELY,
2130 0, LK_LEN, 0, &o),i);
2131 break;
2132 case LOCK_UN: /* unlock lock */
2133 LK_ERR(UnlockFileEx(fh, 0, LK_LEN, 0, &o),i);
2134 break;
2135 default: /* unknown */
2136 errno = EINVAL;
2137 break;
2138 }
2139 return i;
2140}
2141
2142#undef LK_ERR
2143#undef LK_LEN
2144
68dc0745 2145/*
2146 * redirected io subsystem for all XS modules
2147 *
2148 */
0a753a76 2149
68dc0745 2150DllExport int *
2151win32_errno(void)
0a753a76 2152{
390b85e7 2153 return (&errno);
0a753a76 2154}
2155
dcb2879a
GS
2156DllExport char ***
2157win32_environ(void)
2158{
390b85e7 2159 return (&(_environ));
dcb2879a
GS
2160}
2161
68dc0745 2162/* the rest are the remapped stdio routines */
2163DllExport FILE *
2164win32_stderr(void)
0a753a76 2165{
390b85e7 2166 return (stderr);
0a753a76 2167}
2168
68dc0745 2169DllExport FILE *
2170win32_stdin(void)
0a753a76 2171{
390b85e7 2172 return (stdin);
0a753a76 2173}
2174
68dc0745 2175DllExport FILE *
2176win32_stdout()
0a753a76 2177{
390b85e7 2178 return (stdout);
0a753a76 2179}
2180
68dc0745 2181DllExport int
2182win32_ferror(FILE *fp)
0a753a76 2183{
390b85e7 2184 return (ferror(fp));
0a753a76 2185}
2186
2187
68dc0745 2188DllExport int
2189win32_feof(FILE *fp)
0a753a76 2190{
390b85e7 2191 return (feof(fp));
0a753a76 2192}
2193
68dc0745 2194/*
2195 * Since the errors returned by the socket error function
2196 * WSAGetLastError() are not known by the library routine strerror
2197 * we have to roll our own.
2198 */
0a753a76 2199
68dc0745 2200DllExport char *
2201win32_strerror(int e)
0a753a76 2202{
6f24f39d 2203#if !defined __BORLANDC__ && !defined __MINGW32__ /* compiler intolerance */
68dc0745 2204 extern int sys_nerr;
3e3baf6d 2205#endif
68dc0745 2206 DWORD source = 0;
0a753a76 2207
9404a519 2208 if (e < 0 || e > sys_nerr) {
acfe0abc 2209 dTHX;
9404a519 2210 if (e < 0)
68dc0745 2211 e = GetLastError();
0a753a76 2212
9404a519 2213 if (FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, &source, e, 0,
3352bfcb
GS
2214 w32_strerror_buffer,
2215 sizeof(w32_strerror_buffer), NULL) == 0)
2216 strcpy(w32_strerror_buffer, "Unknown Error");
0a753a76 2217
3352bfcb 2218 return w32_strerror_buffer;
68dc0745 2219 }
390b85e7 2220 return strerror(e);
0a753a76 2221}
2222
22fae026 2223DllExport void
c5be433b 2224win32_str_os_error(void *sv, DWORD dwErr)
22fae026
TM
2225{
2226 DWORD dwLen;
2227 char *sMsg;
2228 dwLen = FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER
2229 |FORMAT_MESSAGE_IGNORE_INSERTS
2230 |FORMAT_MESSAGE_FROM_SYSTEM, NULL,
2231 dwErr, 0, (char *)&sMsg, 1, NULL);
2ce77adf 2232 /* strip trailing whitespace and period */
22fae026 2233 if (0 < dwLen) {
2ce77adf
GS
2234 do {
2235 --dwLen; /* dwLen doesn't include trailing null */
2236 } while (0 < dwLen && isSPACE(sMsg[dwLen]));
22fae026
TM
2237 if ('.' != sMsg[dwLen])
2238 dwLen++;
2ce77adf 2239 sMsg[dwLen] = '\0';
22fae026
TM
2240 }
2241 if (0 == dwLen) {
c69f6586 2242 sMsg = (char*)LocalAlloc(0, 64/**sizeof(TCHAR)*/);
db7c17d7
GS
2243 if (sMsg)
2244 dwLen = sprintf(sMsg,
2245 "Unknown error #0x%lX (lookup 0x%lX)",
2246 dwErr, GetLastError());
2247 }
2248 if (sMsg) {
acfe0abc 2249 dTHX;
db7c17d7
GS
2250 sv_setpvn((SV*)sv, sMsg, dwLen);
2251 LocalFree(sMsg);
22fae026 2252 }
22fae026
TM
2253}
2254
68dc0745 2255DllExport int
2256win32_fprintf(FILE *fp, const char *format, ...)
0a753a76 2257{
68dc0745 2258 va_list marker;
2259 va_start(marker, format); /* Initialize variable arguments. */
0a753a76 2260
390b85e7 2261 return (vfprintf(fp, format, marker));
0a753a76 2262}
2263
68dc0745 2264DllExport int
2265win32_printf(const char *format, ...)
0a753a76 2266{
68dc0745 2267 va_list marker;
2268 va_start(marker, format); /* Initialize variable arguments. */
0a753a76 2269
390b85e7 2270 return (vprintf(format, marker));
0a753a76 2271}
2272
68dc0745 2273DllExport int
2274win32_vfprintf(FILE *fp, const char *format, va_list args)
0a753a76 2275{
390b85e7 2276 return (vfprintf(fp, format, args));
0a753a76 2277}
2278
96e4d5b1 2279DllExport int
2280win32_vprintf(const char *format, va_list args)
2281{
390b85e7 2282 return (vprintf(format, args));
96e4d5b1 2283}
2284
68dc0745 2285DllExport size_t
2286win32_fread(void *buf, size_t size, size_t count, FILE *fp)
0a753a76 2287{
390b85e7 2288 return fread(buf, size, count, fp);
0a753a76 2289}
2290
68dc0745 2291DllExport size_t
2292win32_fwrite(const void *buf, size_t size, size_t count, FILE *fp)
0a753a76 2293{
390b85e7 2294 return fwrite(buf, size, count, fp);
0a753a76 2295}
2296
7fac1903
GS
2297#define MODE_SIZE 10
2298
68dc0745 2299DllExport FILE *
2300win32_fopen(const char *filename, const char *mode)
0a753a76 2301{
acfe0abc 2302 dTHX;
82867ecf 2303 WCHAR wMode[MODE_SIZE], wBuffer[MAX_PATH+1];
1c5905c2 2304 FILE *f;
c5be433b
GS
2305
2306 if (!*filename)
2307 return NULL;
2308
68dc0745 2309 if (stricmp(filename, "/dev/null")==0)
7fac1903
GS
2310 filename = "NUL";
2311
2312 if (USING_WIDE()) {
0cb96387
GS
2313 A2WHELPER(mode, wMode, sizeof(wMode));
2314 A2WHELPER(filename, wBuffer, sizeof(wBuffer));
1c5905c2 2315 f = _wfopen(PerlDir_mapW(wBuffer), wMode);
7fac1903 2316 }
1c5905c2
GS
2317 else
2318 f = fopen(PerlDir_mapA(filename), mode);
2319 /* avoid buffering headaches for child processes */
2320 if (f && *mode == 'a')
2321 win32_fseek(f, 0, SEEK_END);
2322 return f;
0a753a76 2323}
2324
f3986ebb
GS
2325#ifndef USE_SOCKETS_AS_HANDLES
2326#undef fdopen
2327#define fdopen my_fdopen
2328#endif
2329
68dc0745 2330DllExport FILE *
7fac1903 2331win32_fdopen(int handle, const char *mode)
0a753a76 2332{
acfe0abc 2333 dTHX;
51371543 2334 WCHAR wMode[MODE_SIZE];
1c5905c2 2335 FILE *f;
7fac1903 2336 if (USING_WIDE()) {
0cb96387 2337 A2WHELPER(mode, wMode, sizeof(wMode));
1c5905c2 2338 f = _wfdopen(handle, wMode);
7fac1903 2339 }
1c5905c2
GS
2340 else
2341 f = fdopen(handle, (char *) mode);
2342 /* avoid buffering headaches for child processes */
2343 if (f && *mode == 'a')
2344 win32_fseek(f, 0, SEEK_END);
2345 return f;
0a753a76 2346}
2347
68dc0745 2348DllExport FILE *
7fac1903 2349win32_freopen(const char *path, const char *mode, FILE *stream)
0a753a76 2350{
acfe0abc 2351 dTHX;
82867ecf 2352 WCHAR wMode[MODE_SIZE], wBuffer[MAX_PATH+1];
68dc0745 2353 if (stricmp(path, "/dev/null")==0)
7fac1903
GS
2354 path = "NUL";
2355
2356 if (USING_WIDE()) {
0cb96387
GS
2357 A2WHELPER(mode, wMode, sizeof(wMode));
2358 A2WHELPER(path, wBuffer, sizeof(wBuffer));
7766f137 2359 return _wfreopen(PerlDir_mapW(wBuffer), wMode, stream);
7fac1903 2360 }
7766f137 2361 return freopen(PerlDir_mapA(path), mode, stream);
0a753a76 2362}
2363
68dc0745 2364DllExport int
2365win32_fclose(FILE *pf)
0a753a76 2366{
f3986ebb 2367 return my_fclose(pf); /* defined in win32sck.c */
0a753a76 2368}
2369
68dc0745 2370DllExport int
2371win32_fputs(const char *s,FILE *pf)
0a753a76 2372{
390b85e7 2373 return fputs(s, pf);
0a753a76 2374}
2375
68dc0745 2376DllExport int
2377win32_fputc(int c,FILE *pf)
0a753a76 2378{
390b85e7 2379 return fputc(c,pf);
0a753a76 2380}
2381
68dc0745 2382DllExport int
2383win32_ungetc(int c,FILE *pf)
0a753a76 2384{
390b85e7 2385 return ungetc(c,pf);
0a753a76 2386}
2387
68dc0745 2388DllExport int
2389win32_getc(FILE *pf)
0a753a76 2390{
390b85e7 2391 return getc(pf);
0a753a76 2392}
2393
68dc0745 2394DllExport int
2395win32_fileno(FILE *pf)
0a753a76 2396{
390b85e7 2397 return fileno(pf);
0a753a76 2398}
2399
68dc0745 2400DllExport void
2401win32_clearerr(FILE *pf)
0a753a76 2402{
390b85e7 2403 clearerr(pf);
68dc0745 2404 return;
0a753a76 2405}
2406
68dc0745 2407DllExport int
2408win32_fflush(FILE *pf)
0a753a76 2409{
390b85e7 2410 return fflush(pf);
0a753a76 2411}
2412
68dc0745 2413DllExport long
2414win32_ftell(FILE *pf)
0a753a76 2415{
390b85e7 2416 return ftell(pf);
0a753a76 2417}
2418
68dc0745 2419DllExport int
2420win32_fseek(FILE *pf,long offset,int origin)
0a753a76 2421{
390b85e7 2422 return fseek(pf, offset, origin);
0a753a76 2423}
2424
68dc0745 2425DllExport int
2426win32_fgetpos(FILE *pf,fpos_t *p)
0a753a76 2427{
390b85e7 2428 return fgetpos(pf, p);
0a753a76 2429}
2430
68dc0745 2431DllExport int
2432win32_fsetpos(FILE *pf,const fpos_t *p)
0a753a76 2433{
390b85e7 2434 return fsetpos(pf, p);
0a753a76 2435}
2436
68dc0745 2437DllExport void
2438win32_rewind(FILE *pf)
0a753a76 2439{
390b85e7 2440 rewind(pf);
68dc0745 2441 return;
0a753a76 2442}
2443
68dc0745 2444DllExport FILE*
2445win32_tmpfile(void)
0a753a76 2446{
b3122bc4
JH
2447 dTHX;
2448 char prefix[MAX_PATH+1];
2449 char filename[MAX_PATH+1];
2450 DWORD len = GetTempPath(MAX_PATH, prefix);
2451 if (len && len < MAX_PATH) {
2452 if (GetTempFileName(prefix, "plx", 0, filename)) {
2453 HANDLE fh = CreateFile(filename,
2454 DELETE | GENERIC_READ | GENERIC_WRITE,
2455 0,
2456 NULL,
2457 CREATE_ALWAYS,
2458 FILE_ATTRIBUTE_NORMAL
2459 | FILE_FLAG_DELETE_ON_CLOSE,
2460 NULL);
2461 if (fh != INVALID_HANDLE_VALUE) {
2462 int fd = win32_open_osfhandle((long)fh, 0);
2463 if (fd >= 0) {
2464 DEBUG_p(PerlIO_printf(Perl_debug_log,
2465 "Created tmpfile=%s\n",filename));
2466 return fdopen(fd, "w+b");
2467 }
2468 }
2469 }
2470 }
2471 return NULL;
0a753a76 2472}
2473
68dc0745 2474DllExport void
2475win32_abort(void)
0a753a76 2476{
390b85e7 2477 abort();
68dc0745 2478 return;
0a753a76 2479}
2480
68dc0745 2481DllExport int
22239a37 2482win32_fstat(int fd,struct stat *sbufptr)
0a753a76 2483{
2a07f407
VK
2484#ifdef __BORLANDC__
2485 /* A file designated by filehandle is not shown as accessible
2486 * for write operations, probably because it is opened for reading.
2487 * --Vadim Konovalov
2488 */
2489 int rc = fstat(fd,sbufptr);
2490 BY_HANDLE_FILE_INFORMATION bhfi;
2491 if (GetFileInformationByHandle((HANDLE)_get_osfhandle(fd), &bhfi)) {
2492 sbufptr->st_mode &= 0xFE00;
2493 if (bhfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY)
2494 sbufptr->st_mode |= (S_IREAD + (S_IREAD >> 3) + (S_IREAD >> 6));
2495 else
2496 sbufptr->st_mode |= ((S_IREAD|S_IWRITE) + ((S_IREAD|S_IWRITE) >> 3)
2497 + ((S_IREAD|S_IWRITE) >> 6));
2498 }
2499 return rc;
2500#else
ed59ec62 2501 return my_fstat(fd,sbufptr);
2a07f407 2502#endif
0a753a76 2503}
2504
68dc0745 2505DllExport int
2506win32_pipe(int *pfd, unsigned int size, int mode)
0a753a76 2507{
390b85e7 2508 return _pipe(pfd, size, mode);
0a753a76 2509}
2510
8c0134a8
NIS
2511DllExport PerlIO*
2512win32_popenlist(const char *mode, IV narg, SV **args)
2513{
2514 dTHX;
2515 Perl_croak(aTHX_ "List form of pipe open not implemented");
2516 return NULL;
2517}
2518
50892819
GS
2519/*
2520 * a popen() clone that respects PERL5SHELL
00b02797
JH
2521 *
2522 * changed to return PerlIO* rather than FILE * by BKS, 11-11-2000
50892819
GS
2523 */
2524
00b02797 2525DllExport PerlIO*
68dc0745 2526win32_popen(const char *command, const char *mode)
0a753a76 2527{
4b556e6c 2528#ifdef USE_RTL_POPEN
390b85e7 2529 return _popen(command, mode);
50892819
GS
2530#else
2531 int p[2];
2532 int parent, child;
2533 int stdfd, oldfd;
2534 int ourmode;
2535 int childpid;
2536
2537 /* establish which ends read and write */
2538 if (strchr(mode,'w')) {
2539 stdfd = 0; /* stdin */
2540 parent = 1;
2541 child = 0;
2542 }
2543 else if (strchr(mode,'r')) {
2544 stdfd = 1; /* stdout */
2545 parent = 0;
2546 child = 1;
2547 }
2548 else
2549 return NULL;
2550
2551 /* set the correct mode */
2552 if (strchr(mode,'b'))
2553 ourmode = O_BINARY;
2554 else if (strchr(mode,'t'))
2555 ourmode = O_TEXT;
2556 else
2557 ourmode = _fmode & (O_TEXT | O_BINARY);
2558
2559 /* the child doesn't inherit handles */
2560 ourmode |= O_NOINHERIT;
2561
2562 if (win32_pipe( p, 512, ourmode) == -1)
2563 return NULL;
2564
2565 /* save current stdfd */
2566 if ((oldfd = win32_dup(stdfd)) == -1)
2567 goto cleanup;
2568
2569 /* make stdfd go to child end of pipe (implicitly closes stdfd) */
2570 /* stdfd will be inherited by the child */
2571 if (win32_dup2(p[child], stdfd) == -1)
2572 goto cleanup;
2573
2574 /* close the child end in parent */
2575 win32_close(p[child]);
2576
2577 /* start the child */
4f63d024 2578 {
acfe0abc 2579 dTHX;
c5be433b 2580 if ((childpid = do_spawn_nowait((char*)command)) == -1)
4f63d024 2581 goto cleanup;
50892819 2582
4f63d024
GS
2583 /* revert stdfd to whatever it was before */
2584 if (win32_dup2(oldfd, stdfd) == -1)
2585 goto cleanup;
50892819 2586
4f63d024
GS
2587 /* close saved handle */
2588 win32_close(oldfd);
50892819 2589
4755096e 2590 LOCK_FDPID_MUTEX;
4f63d024 2591 sv_setiv(*av_fetch(w32_fdpid, p[parent], TRUE), childpid);
4755096e 2592 UNLOCK_FDPID_MUTEX;
d91d68c1
RS
2593
2594 /* set process id so that it can be returned by perl's open() */
2595 PL_forkprocess = childpid;
4f63d024 2596 }
50892819
GS
2597
2598 /* we have an fd, return a file stream */
00b02797 2599 return (PerlIO_fdopen(p[parent], (char *)mode));
50892819
GS
2600
2601cleanup:
2602 /* we don't need to check for errors here */
2603 win32_close(p[0]);
2604 win32_close(p[1]);
2605 if (oldfd != -1) {
2606 win32_dup2(oldfd, stdfd);
2607 win32_close(oldfd);
2608 }
2609 return (NULL);
2610
4b556e6c 2611#endif /* USE_RTL_POPEN */
0a753a76 2612}
2613
50892819
GS
2614/*
2615 * pclose() clone
2616 */
2617
68dc0745 2618DllExport int
00b02797 2619win32_pclose(PerlIO *pf)
0a753a76 2620{
4b556e6c 2621#ifdef USE_RTL_POPEN
390b85e7 2622 return _pclose(pf);
50892819 2623#else
acfe0abc 2624 dTHX;
e17cb2a9
JD
2625 int childpid, status;
2626 SV *sv;
2627
4755096e 2628 LOCK_FDPID_MUTEX;
00b02797 2629 sv = *av_fetch(w32_fdpid, PerlIO_fileno(pf), TRUE);
4755096e 2630
e17cb2a9
JD
2631 if (SvIOK(sv))
2632 childpid = SvIVX(sv);
2633 else
2634 childpid = 0;
50892819
GS
2635
2636 if (!childpid) {
2637 errno = EBADF;
2638 return -1;
2639 }
2640
00b02797
JH
2641#ifdef USE_PERLIO
2642 PerlIO_close(pf);
2643#else
2644 fclose(pf);
2645#endif
e17cb2a9 2646 SvIVX(sv) = 0;
4755096e 2647 UNLOCK_FDPID_MUTEX;
e17cb2a9 2648
0aaad0ff
GS
2649 if (win32_waitpid(childpid, &status, 0) == -1)
2650 return -1;
50892819 2651
0aaad0ff 2652 return status;
50892819 2653
4b556e6c 2654#endif /* USE_RTL_POPEN */
0a753a76 2655}
6b980173
JD
2656
2657static BOOL WINAPI
2658Nt4CreateHardLinkW(
2659 LPCWSTR lpFileName,
2660 LPCWSTR lpExistingFileName,
2661 LPSECURITY_ATTRIBUTES lpSecurityAttributes)
2662{
2663 HANDLE handle;
2664 WCHAR wFullName[MAX_PATH+1];
2665 LPVOID lpContext = NULL;
2666 WIN32_STREAM_ID StreamId;
2667 DWORD dwSize = (char*)&StreamId.cStreamName - (char*)&StreamId;
2668 DWORD dwWritten;
2669 DWORD dwLen;
2670 BOOL bSuccess;
2671
2672 BOOL (__stdcall *pfnBackupWrite)(HANDLE, LPBYTE, DWORD, LPDWORD,
2673 BOOL, BOOL, LPVOID*) =
2674 (BOOL (__stdcall *)(HANDLE, LPBYTE, DWORD, LPDWORD,
2675 BOOL, BOOL, LPVOID*))
2676 GetProcAddress(GetModuleHandle("kernel32.dll"), "BackupWrite");
2677 if (pfnBackupWrite == NULL)
2678 return 0;
2679
2680 dwLen = GetFullPathNameW(lpFileName, MAX_PATH, wFullName, NULL);
2681 if (dwLen == 0)
2682 return 0;
2683 dwLen = (dwLen+1)*sizeof(WCHAR);
2684
2685 handle = CreateFileW(lpExistingFileName, FILE_WRITE_ATTRIBUTES,
2686 FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
2687 NULL, OPEN_EXISTING, 0, NULL);
2688 if (handle == INVALID_HANDLE_VALUE)
2689 return 0;
2690
2691 StreamId.dwStreamId = BACKUP_LINK;
2692 StreamId.dwStreamAttributes = 0;
2693 StreamId.dwStreamNameSize = 0;
6f24f39d
JK
2694#if defined(__BORLANDC__) \
2695 ||(defined(__MINGW32__) && !defined(_ANONYMOUS_UNION))
4ce4f76e
GS
2696 StreamId.Size.u.HighPart = 0;
2697 StreamId.Size.u.LowPart = dwLen;
2698#else
6b980173
JD
2699 StreamId.Size.HighPart = 0;
2700 StreamId.Size.LowPart = dwLen;
4ce4f76e 2701#endif
6b980173
JD
2702
2703 bSuccess = pfnBackupWrite(handle, (LPBYTE)&StreamId, dwSize, &dwWritten,
2704 FALSE, FALSE, &lpContext);
2705 if (bSuccess) {
2706 bSuccess = pfnBackupWrite(handle, (LPBYTE)wFullName, dwLen, &dwWritten,
2707 FALSE, FALSE, &lpContext);
2708 pfnBackupWrite(handle, NULL, 0, &dwWritten, TRUE, FALSE, &lpContext);
2709 }
2710
2711 CloseHandle(handle);
2712 return bSuccess;
2713}
2714
2715DllExport int
2716win32_link(const char *oldname, const char *newname)
2717{
acfe0abc 2718 dTHX;
6b980173 2719 BOOL (__stdcall *pfnCreateHardLinkW)(LPCWSTR,LPCWSTR,LPSECURITY_ATTRIBUTES);
82867ecf
GS
2720 WCHAR wOldName[MAX_PATH+1];
2721 WCHAR wNewName[MAX_PATH+1];
6b980173
JD
2722
2723 if (IsWin95())
1be9d9c6 2724 Perl_croak(aTHX_ PL_no_func, "link");
6b980173
JD
2725
2726 pfnCreateHardLinkW =
2727 (BOOL (__stdcall *)(LPCWSTR, LPCWSTR, LPSECURITY_ATTRIBUTES))
2728 GetProcAddress(GetModuleHandle("kernel32.dll"), "CreateHardLinkW");
2729 if (pfnCreateHardLinkW == NULL)
2730 pfnCreateHardLinkW = Nt4CreateHardLinkW;
2731
2732 if ((A2WHELPER(oldname, wOldName, sizeof(wOldName))) &&
2733 (A2WHELPER(newname, wNewName, sizeof(wNewName))) &&
7766f137
GS
2734 (wcscpy(wOldName, PerlDir_mapW(wOldName)),
2735 pfnCreateHardLinkW(PerlDir_mapW(wNewName), wOldName, NULL)))
6b980173
JD
2736 {
2737 return 0;
2738 }
2739 errno = (GetLastError() == ERROR_FILE_NOT_FOUND) ? ENOENT : EINVAL;
2740 return -1;
2741}
0a753a76 2742
68dc0745 2743DllExport int
8d9b2e3c 2744win32_rename(const char *oname, const char *newname)
e24c7c18 2745{
65cb15a1
GS
2746 WCHAR wOldName[MAX_PATH+1];
2747 WCHAR wNewName[MAX_PATH+1];
2748 char szOldName[MAX_PATH+1];
2749 char szNewName[MAX_PATH+1];
7fac1903 2750 BOOL bResult;
acfe0abc 2751 dTHX;
65cb15a1 2752
80252599
GS
2753 /* XXX despite what the documentation says about MoveFileEx(),
2754 * it doesn't work under Windows95!
2755 */
2756 if (IsWinNT()) {
65cb15a1 2757 DWORD dwFlags = MOVEFILE_COPY_ALLOWED;
7fac1903 2758 if (USING_WIDE()) {
0cb96387
GS
2759 A2WHELPER(oname, wOldName, sizeof(wOldName));
2760 A2WHELPER(newname, wNewName, sizeof(wNewName));
65cb15a1
GS
2761 if (wcsicmp(wNewName, wOldName))
2762 dwFlags |= MOVEFILE_REPLACE_EXISTING;
7766f137 2763 wcscpy(wOldName, PerlDir_mapW(wOldName));
65cb15a1 2764 bResult = MoveFileExW(wOldName,PerlDir_mapW(wNewName), dwFlags);
7fac1903
GS
2765 }
2766 else {
65cb15a1
GS
2767 if (stricmp(newname, oname))
2768 dwFlags |= MOVEFILE_REPLACE_EXISTING;
2769 strcpy(szOldName, PerlDir_mapA(oname));
2770 bResult = MoveFileExA(szOldName,PerlDir_mapA(newname), dwFlags);
7fac1903
GS
2771 }
2772 if (!bResult) {
80252599
GS
2773 DWORD err = GetLastError();
2774 switch (err) {
2775 case ERROR_BAD_NET_NAME:
2776 case ERROR_BAD_NETPATH:
2777 case ERROR_BAD_PATHNAME:
2778 case ERROR_FILE_NOT_FOUND:
2779 case ERROR_FILENAME_EXCED_RANGE:
2780 case ERROR_INVALID_DRIVE:
2781 case ERROR_NO_MORE_FILES:
2782 case ERROR_PATH_NOT_FOUND:
2783 errno = ENOENT;
2784 break;
2785 default:
2786 errno = EACCES;
2787 break;
2788 }
2789 return -1;
2790 }
2791 return 0;
e24c7c18 2792 }
80252599
GS
2793 else {
2794 int retval = 0;
65cb15a1 2795 char szTmpName[MAX_PATH+1];
80252599
GS
2796 char dname[MAX_PATH+1];
2797 char *endname = Nullch;
2798 STRLEN tmplen = 0;
2799 DWORD from_attr, to_attr;
2800
65cb15a1
GS
2801 strcpy(szOldName, PerlDir_mapA(oname));
2802 strcpy(szNewName, PerlDir_mapA(newname));
2803
80252599 2804 /* if oname doesn't exist, do nothing */
65cb15a1 2805 from_attr = GetFileAttributes(szOldName);
80252599
GS
2806 if (from_attr == 0xFFFFFFFF) {
2807 errno = ENOENT;
2808 return -1;
2809 }
2810
2811 /* if newname exists, rename it to a temporary name so that we
2812 * don't delete it in case oname happens to be the same file
2813 * (but perhaps accessed via a different path)
2814 */
65cb15a1 2815 to_attr = GetFileAttributes(szNewName);
80252599
GS
2816 if (to_attr != 0xFFFFFFFF) {
2817 /* if newname is a directory, we fail
2818 * XXX could overcome this with yet more convoluted logic */
2819 if (to_attr & FILE_ATTRIBUTE_DIRECTORY) {
2820 errno = EACCES;
2821 return -1;
2822 }
65cb15a1
GS
2823 tmplen = strlen(szNewName);
2824 strcpy(szTmpName,szNewName);
2825 endname = szTmpName+tmplen;
2826 for (; endname > szTmpName ; --endname) {
80252599
GS
2827 if (*endname == '/' || *endname == '\\') {
2828 *endname = '\0';
2829 break;
2830 }
2831 }
65cb15a1
GS
2832 if (endname > szTmpName)
2833 endname = strcpy(dname,szTmpName);
e24c7c18 2834 else
80252599
GS
2835 endname = ".";
2836
2837 /* get a temporary filename in same directory
2838 * XXX is this really the best we can do? */
65cb15a1 2839 if (!GetTempFileName((LPCTSTR)endname, "plr", 0, szTmpName)) {
80252599
GS
2840 errno = ENOENT;
2841 return -1;
2842 }
65cb15a1 2843 DeleteFile(szTmpName);
80252599 2844
65cb15a1 2845 retval = rename(szNewName, szTmpName);
80252599
GS
2846 if (retval != 0) {
2847 errno = EACCES;
2848 return retval;
e24c7c18
GS
2849 }
2850 }
80252599
GS
2851
2852 /* rename oname to newname */
65cb15a1 2853 retval = rename(szOldName, szNewName);
80252599
GS
2854
2855 /* if we created a temporary file before ... */
2856 if (endname != Nullch) {
2857 /* ...and rename succeeded, delete temporary file/directory */
2858 if (retval == 0)
65cb15a1 2859 DeleteFile(szTmpName);
80252599
GS
2860 /* else restore it to what it was */
2861 else
65cb15a1 2862 (void)rename(szTmpName, szNewName);
80252599
GS
2863 }
2864 return retval;
e24c7c18 2865 }
e24c7c18
GS
2866}
2867
2868DllExport int
68dc0745 2869win32_setmode(int fd, int mode)
0a753a76 2870{
390b85e7 2871 return setmode(fd, mode);
0a753a76 2872}
2873
96e4d5b1 2874DllExport long
2875win32_lseek(int fd, long offset, int origin)
2876{
390b85e7 2877 return lseek(fd, offset, origin);
96e4d5b1 2878}
2879
2880DllExport long
2881win32_tell(int fd)
2882{
390b85e7 2883 return tell(fd);
96e4d5b1 2884}
2885
68dc0745 2886DllExport int
2887win32_open(const char *path, int flag, ...)
0a753a76 2888{
acfe0abc 2889 dTHX;
68dc0745 2890 va_list ap;
2891 int pmode;
82867ecf 2892 WCHAR wBuffer[MAX_PATH+1];
0a753a76 2893
2894 va_start(ap, flag);
2895 pmode = va_arg(ap, int);
2896 va_end(ap);
2897
68dc0745 2898 if (stricmp(path, "/dev/null")==0)
7fac1903
GS
2899 path = "NUL";
2900
2901 if (USING_WIDE()) {
0cb96387 2902 A2WHELPER(path, wBuffer, sizeof(wBuffer));
7766f137 2903 return _wopen(PerlDir_mapW(wBuffer), flag, pmode);
7fac1903 2904 }
7766f137 2905 return open(PerlDir_mapA(path), flag, pmode);
0a753a76 2906}
2907
00b02797
JH
2908/* close() that understands socket */
2909extern int my_close(int); /* in win32sck.c */
2910
68dc0745 2911DllExport int
2912win32_close(int fd)
0a753a76 2913{
00b02797 2914 return my_close(fd);
0a753a76 2915}
2916
68dc0745 2917DllExport int
96e4d5b1 2918win32_eof(int fd)
2919{
390b85e7 2920 return eof(fd);
96e4d5b1 2921}
2922
2923DllExport int
68dc0745 2924win32_dup(int fd)
0a753a76 2925{
390b85e7 2926 return dup(fd);
0a753a76 2927}
2928
68dc0745 2929DllExport int
2930win32_dup2(int fd1,int fd2)
0a753a76 2931{
390b85e7 2932 return dup2(fd1,fd2);
0a753a76 2933}
2934
f7aeb604
GS
2935#ifdef PERL_MSVCRT_READFIX
2936
2937#define LF 10 /* line feed */
2938#define CR 13 /* carriage return */
2939#define CTRLZ 26 /* ctrl-z means eof for text */
2940#define FOPEN 0x01 /* file handle open */
2941#define FEOFLAG 0x02 /* end of file has been encountered */
2942#define FCRLF 0x04 /* CR-LF across read buffer (in text mode) */
2943#define FPIPE 0x08 /* file handle refers to a pipe */
2944#define FAPPEND 0x20 /* file handle opened O_APPEND */
2945#define FDEV 0x40 /* file handle refers to device */
2946#define FTEXT 0x80 /* file handle is in text mode */
2947#define MAX_DESCRIPTOR_COUNT (64*32) /* this is the maximun that MSVCRT can handle */
2948
b181b6fb
GS
2949int __cdecl
2950_fixed_read(int fh, void *buf, unsigned cnt)
f7aeb604
GS
2951{
2952 int bytes_read; /* number of bytes read */
2953 char *buffer; /* buffer to read to */
2954 int os_read; /* bytes read on OS call */
2955 char *p, *q; /* pointers into buffer */
2956 char peekchr; /* peek-ahead character */
2957 ULONG filepos; /* file position after seek */
2958 ULONG dosretval; /* o.s. return value */
2959
2960 /* validate handle */
2961 if (((unsigned)fh >= (unsigned)MAX_DESCRIPTOR_COUNT) ||
2962 !(_osfile(fh) & FOPEN))
2963 {
2964 /* out of range -- return error */
2965 errno = EBADF;
2966 _doserrno = 0; /* not o.s. error */
2967 return -1;
2968 }
2969
635bbe87
GS
2970 /*
2971 * If lockinitflag is FALSE, assume fd is device
2972 * lockinitflag is set to TRUE by open.
2973 */
2974 if (_pioinfo(fh)->lockinitflag)
2975 EnterCriticalSection(&(_pioinfo(fh)->lock)); /* lock file */
f7aeb604
GS
2976
2977 bytes_read = 0; /* nothing read yet */
2978 buffer = (char*)buf;
2979
2980 if (cnt == 0 || (_osfile(fh) & FEOFLAG)) {
2981 /* nothing to read or at EOF, so return 0 read */
2982 goto functionexit;
2983 }
2984
2985 if ((_osfile(fh) & (FPIPE|FDEV)) && _pipech(fh) != LF) {
2986 /* a pipe/device and pipe lookahead non-empty: read the lookahead
2987 * char */
2988 *buffer++ = _pipech(fh);
2989 ++bytes_read;
2990 --cnt;
2991 _pipech(fh) = LF; /* mark as empty */
2992 }
2993
2994 /* read the data */
2995
2996 if (!ReadFile((HANDLE)_osfhnd(fh), buffer, cnt, (LPDWORD)&os_read, NULL))
2997 {
2998 /* ReadFile has reported an error. recognize two special cases.
2999 *
3000 * 1. map ERROR_ACCESS_DENIED to EBADF
3001 *
3002 * 2. just return 0 if ERROR_BROKEN_PIPE has occurred. it
3003 * means the handle is a read-handle on a pipe for which
3004 * all write-handles have been closed and all data has been
3005 * read. */
3006
3007 if ((dosretval = GetLastError()) == ERROR_ACCESS_DENIED) {
3008 /* wrong read/write mode should return EBADF, not EACCES */
3009 errno = EBADF;
3010 _doserrno = dosretval;
3011 bytes_read = -1;
3012 goto functionexit;
3013 }
3014 else if (dosretval == ERROR_BROKEN_PIPE) {
3015 bytes_read = 0;
3016 goto functionexit;
3017 }
3018 else {
3019 bytes_read = -1;
3020 goto functionexit;
3021 }
3022 }
3023
3024 bytes_read += os_read; /* update bytes read */
3025
3026 if (_osfile(fh) & FTEXT) {
3027 /* now must translate CR-LFs to LFs in the buffer */
3028
3029 /* set CRLF flag to indicate LF at beginning of buffer */
3030 /* if ((os_read != 0) && (*(char *)buf == LF)) */
3031 /* _osfile(fh) |= FCRLF; */
3032 /* else */
3033 /* _osfile(fh) &= ~FCRLF; */
3034
3035 _osfile(fh) &= ~FCRLF;
3036
3037 /* convert chars in the buffer: p is src, q is dest */
3038 p = q = (char*)buf;
3039 while (p < (char *)buf + bytes_read) {
3040 if (*p == CTRLZ) {
3041 /* if fh is not a device, set ctrl-z flag */
3042 if (!(_osfile(fh) & FDEV))
3043 _osfile(fh) |= FEOFLAG;
3044 break; /* stop translating */
3045 }
3046 else if (*p != CR)
3047 *q++ = *p++;
3048 else {
3049 /* *p is CR, so must check next char for LF */
3050 if (p < (char *)buf + bytes_read - 1) {
3051 if (*(p+1) == LF) {
3052 p += 2;
3053 *q++ = LF; /* convert CR-LF to LF */
3054 }
3055 else
3056 *q++ = *p++; /* store char normally */
3057 }
3058 else {
3059 /* This is the hard part. We found a CR at end of
3060 buffer. We must peek ahead to see if next char
3061 is an LF. */
3062 ++p;
3063
3064 dosretval = 0;
3065 if (!ReadFile((HANDLE)_osfhnd(fh), &peekchr, 1,
3066 (LPDWORD)&os_read, NULL))
3067 dosretval = GetLastError();
3068
3069 if (dosretval != 0 || os_read == 0) {
3070 /* couldn't read ahead, store CR */
3071 *q++ = CR;
3072 }
3073 else {
3074 /* peekchr now has the extra character -- we now
3075 have several possibilities:
3076 1. disk file and char is not LF; just seek back
3077 and copy CR
3078 2. disk file and char is LF; store LF, don't seek back
3079 3. pipe/device and char is LF; store LF.
3080 4. pipe/device and char isn't LF, store CR and
3081 put char in pipe lookahead buffer. */
3082 if (_osfile(fh) & (FDEV|FPIPE)) {
3083 /* non-seekable device */
3084 if (peekchr == LF)
3085 *q++ = LF;
3086 else {
3087 *q++ = CR;
3088 _pipech(fh) = peekchr;
3089 }
3090 }
3091 else {
3092 /* disk file */
3093 if (peekchr == LF) {
3094 /* nothing read yet; must make some
3095 progress */
3096 *q++ = LF;
3097 /* turn on this flag for tell routine */
3098 _osfile(fh) |= FCRLF;
3099 }
3100 else {
3101 HANDLE osHandle; /* o.s. handle value */
3102 /* seek back */
3103 if ((osHandle = (HANDLE)_get_osfhandle(fh)) != (HANDLE)-1)
3104 {
3105 if ((filepos = SetFilePointer(osHandle, -1, NULL, FILE_CURRENT)) == -1)
3106 dosretval = GetLastError();
3107 }
3108 if (peekchr != LF)
3109 *q++ = CR;
3110 }
3111 }
3112 }
3113 }
3114 }
3115 }
3116
3117 /* we now change bytes_read to reflect the true number of chars
3118 in the buffer */
3119 bytes_read = q - (char *)buf;
3120 }
3121
3122functionexit:
635bbe87
GS
3123 if (_pioinfo(fh)->lockinitflag)
3124 LeaveCriticalSection(&(_pioinfo(fh)->lock)); /* unlock file */
f7aeb604
GS
3125
3126 return bytes_read;
3127}
3128
3129#endif /* PERL_MSVCRT_READFIX */
3130
68dc0745 3131DllExport int
3e3baf6d 3132win32_read(int fd, void *buf, unsigned int cnt)
0a753a76 3133{
f7aeb604
GS
3134#ifdef PERL_MSVCRT_READFIX
3135 return _fixed_read(fd, buf, cnt);
3136#else
390b85e7 3137 return read(fd, buf, cnt);
f7aeb604 3138#endif
0a753a76 3139}
3140
68dc0745 3141DllExport int
3e3baf6d 3142win32_write(int fd, const void *buf, unsigned int cnt)
0a753a76 3143{
390b85e7 3144 return write(fd, buf, cnt);
0a753a76 3145}
3146
68dc0745 3147DllExport int
5aabfad6 3148win32_mkdir(const char *dir, int mode)
3149{
acfe0abc 3150 dTHX;
7766f137 3151 if (USING_WIDE()) {
82867ecf 3152 WCHAR wBuffer[MAX_PATH+1];
7766f137
GS
3153 A2WHELPER(dir, wBuffer, sizeof(wBuffer));
3154 return _wmkdir(PerlDir_mapW(wBuffer));
3155 }
3156 return mkdir(PerlDir_mapA(dir)); /* just ignore mode */
5aabfad6 3157}
96e4d5b1 3158
5aabfad6 3159DllExport int
3160win32_rmdir(const char *dir)
3161{
acfe0abc 3162 dTHX;
7766f137 3163 if (USING_WIDE()) {
82867ecf 3164 WCHAR wBuffer[MAX_PATH+1];
7766f137
GS
3165 A2WHELPER(dir, wBuffer, sizeof(wBuffer));
3166 return _wrmdir(PerlDir_mapW(wBuffer));
3167 }
3168 return rmdir(PerlDir_mapA(dir));
5aabfad6 3169}
96e4d5b1 3170
5aabfad6 3171DllExport int
3172win32_chdir(const char *dir)
3173{
4ae93879 3174 dTHX;
9ec3348a
JH
3175 if (!dir) {
3176 errno = ENOENT;
3177 return -1;
3178 }
7766f137 3179 if (USING_WIDE()) {
82867ecf 3180 WCHAR wBuffer[MAX_PATH+1];
7766f137
GS
3181 A2WHELPER(dir, wBuffer, sizeof(wBuffer));
3182 return _wchdir(wBuffer);
3183 }
390b85e7 3184 return chdir(dir);
5aabfad6 3185}
96e4d5b1 3186
7766f137
GS
3187DllExport int
3188win32_access(const char *path, int mode)
3189{
acfe0abc 3190 dTHX;
7766f137 3191 if (USING_WIDE()) {
82867ecf 3192 WCHAR wBuffer[MAX_PATH+1];
7766f137
GS
3193 A2WHELPER(path, wBuffer, sizeof(wBuffer));
3194 return _waccess(PerlDir_mapW(wBuffer), mode);
3195 }
3196 return access(PerlDir_mapA(path), mode);
3197}
3198
3199DllExport int
3200win32_chmod(const char *path, int mode)
3201{
acfe0abc 3202 dTHX;
7766f137 3203 if (USING_WIDE()) {
82867ecf 3204 WCHAR wBuffer[MAX_PATH+1];
7766f137
GS
3205 A2WHELPER(path, wBuffer, sizeof(wBuffer));
3206 return _wchmod(PerlDir_mapW(wBuffer), mode);
3207 }
3208 return chmod(PerlDir_mapA(path), mode);
3209}
3210
3211
0aaad0ff 3212static char *
dd7038b3 3213create_command_line(char *cname, STRLEN clen, const char * const *args)
0aaad0ff 3214{
acfe0abc 3215 dTHX;
b309b8ae
JH
3216 int index, argc;
3217 char *cmd, *ptr;
3218 const char *arg;
3219 STRLEN len = 0;
81bc1258 3220 bool bat_file = FALSE;
b309b8ae 3221 bool cmd_shell = FALSE;
7b11e424 3222 bool dumb_shell = FALSE;
b309b8ae 3223 bool extra_quotes = FALSE;
dd7038b3 3224 bool quote_next = FALSE;
81bc1258
JH
3225
3226 if (!cname)
3227 cname = (char*)args[0];
b309b8ae
JH
3228
3229 /* The NT cmd.exe shell has the following peculiarity that needs to be
3230 * worked around. It strips a leading and trailing dquote when any
3231 * of the following is true:
3232 * 1. the /S switch was used
3233 * 2. there are more than two dquotes
3234 * 3. there is a special character from this set: &<>()@^|
3235 * 4. no whitespace characters within the two dquotes
3236 * 5. string between two dquotes isn't an executable file
3237 * To work around this, we always add a leading and trailing dquote
3238 * to the string, if the first argument is either "cmd.exe" or "cmd",
3239 * and there were at least two or more arguments passed to cmd.exe
3240 * (not including switches).
dd7038b3
JH
3241 * XXX the above rules (from "cmd /?") don't seem to be applied
3242 * always, making for the convolutions below :-(
b309b8ae 3243 */
81bc1258 3244 if (cname) {
dd7038b3
JH
3245 if (!clen)
3246 clen = strlen(cname);
3247
81bc1258
JH
3248 if (clen > 4
3249 && (stricmp(&cname[clen-4], ".bat") == 0
3250 || (IsWinNT() && stricmp(&cname[clen-4], ".cmd") == 0)))
3251 {
3252 bat_file = TRUE;
3253 len += 3;
3254 }
dd7038b3
JH
3255 else {
3256 char *exe = strrchr(cname, '/');
3257 char *exe2 = strrchr(cname, '\\');
3258 if (exe2 > exe)
3259 exe = exe2;
3260 if (exe)
3261 ++exe;
3262 else
3263 exe = cname;
3264 if (stricmp(exe, "cmd.exe") == 0 || stricmp(exe, "cmd") == 0) {
3265 cmd_shell = TRUE;
3266 len += 3;
3267 }
7b11e424
JH
3268 else if (stricmp(exe, "command.com") == 0
3269 || stricmp(exe, "command") == 0)
3270 {
3271 dumb_shell = TRUE;
3272 }
81bc1258 3273 }
b309b8ae 3274 }
0aaad0ff 3275
b309b8ae
JH
3276 DEBUG_p(PerlIO_printf(Perl_debug_log, "Args "));
3277 for (index = 0; (arg = (char*)args[index]) != NULL; ++index) {
3278 STRLEN curlen = strlen(arg);
3279 if (!(arg[0] == '"' && arg[curlen-1] == '"'))
3280 len += 2; /* assume quoting needed (worst case) */
3281 len += curlen + 1;
3282 DEBUG_p(PerlIO_printf(Perl_debug_log, "[%s]",arg));
3283 }
3284 DEBUG_p(PerlIO_printf(Perl_debug_log, "\n"));
0aaad0ff 3285
b309b8ae 3286 argc = index;
0aaad0ff
GS
3287 New(1310, cmd, len, char);
3288 ptr = cmd;
0aaad0ff 3289
81bc1258
JH
3290 if (bat_file) {
3291 *ptr++ = '"';
3292 extra_quotes = TRUE;
3293 }
3294
0aaad0ff 3295 for (index = 0; (arg = (char*)args[index]) != NULL; ++index) {
b309b8ae
JH
3296 bool do_quote = 0;
3297 STRLEN curlen = strlen(arg);
3298
81bc1258
JH
3299 /* we want to protect empty arguments and ones with spaces with
3300 * dquotes, but only if they aren't already there */
7b11e424
JH
3301 if (!dumb_shell) {
3302 if (!curlen) {
3303 do_quote = 1;
3304 }
02ef22d5
JH
3305 else if (quote_next) {
3306 /* see if it really is multiple arguments pretending to
3307 * be one and force a set of quotes around it */
3308 if (*find_next_space(arg))
3309 do_quote = 1;
3310 }
7b11e424
JH
3311 else if (!(arg[0] == '"' && curlen > 1 && arg[curlen-1] == '"')) {
3312 STRLEN i = 0;
3313 while (i < curlen) {
3314 if (isSPACE(arg[i])) {
3315 do_quote = 1;
02ef22d5
JH
3316 }
3317 else if (arg[i] == '"') {
3318 do_quote = 0;
7b11e424
JH
3319 break;
3320 }
3321 i++;
b309b8ae 3322 }
b309b8ae 3323 }
dd7038b3 3324 }
b309b8ae
JH
3325
3326 if (do_quote)
3327 *ptr++ = '"';
3328
18a945d4 3329 strcpy(ptr, arg);
b309b8ae
JH
3330 ptr += curlen;
3331
3332 if (do_quote)
3333 *ptr++ = '"';
3334
3335 if (args[index+1])
3336 *ptr++ = ' ';
3337
81bc1258
JH
3338 if (!extra_quotes
3339 && cmd_shell
dd7038b3 3340 && (stricmp(arg, "/x/c") == 0 || stricmp(arg, "/c") == 0))
b309b8ae 3341 {
dd7038b3
JH
3342 /* is there a next argument? */
3343 if (args[index+1]) {
3344 /* are there two or more next arguments? */
3345 if (args[index+2]) {
3346 *ptr++ = '"';
3347 extra_quotes = TRUE;
3348 }
3349 else {
02ef22d5 3350 /* single argument, force quoting if it has spaces */
dd7038b3
JH
3351 quote_next = TRUE;
3352 }
3353 }
b309b8ae 3354 }
0aaad0ff
GS
3355 }
3356
b309b8ae
JH
3357 if (extra_quotes)
3358 *ptr++ = '"';
3359
3360 *ptr = '\0';
3361
0aaad0ff
GS
3362 return cmd;
3363}
3364
3365static char *
3366qualified_path(const char *cmd)
3367{
acfe0abc 3368 dTHX;
0aaad0ff
GS
3369 char *pathstr;
3370 char *fullcmd, *curfullcmd;
3371 STRLEN cmdlen = 0;
3372 int has_slash = 0;
3373
3374 if (!cmd)
3375 return Nullch;
3376 fullcmd = (char*)cmd;
3377 while (*fullcmd) {
3378 if (*fullcmd == '/' || *fullcmd == '\\')
3379 has_slash++;
3380 fullcmd++;
3381 cmdlen++;
3382 }
3383
3384 /* look in PATH */
2fb9ab56 3385 pathstr = PerlEnv_getenv("PATH");
0aaad0ff
GS
3386 New(0, fullcmd, MAX_PATH+1, char);
3387 curfullcmd = fullcmd;
3388
3389 while (1) {
3390 DWORD res;
3391
3392 /* start by appending the name to the current prefix */
3393 strcpy(curfullcmd, cmd);
3394 curfullcmd += cmdlen;
3395
3396 /* if it doesn't end with '.', or has no extension, try adding
3397 * a trailing .exe first */
3398 if (cmd[cmdlen-1] != '.'
3399 && (cmdlen < 4 || cmd[cmdlen-4] != '.'))
3400 {
3401 strcpy(curfullcmd, ".exe");
3402 res = GetFileAttributes(fullcmd);
3403 if (res != 0xFFFFFFFF && !(res & FILE_ATTRIBUTE_DIRECTORY))
3404 return fullcmd;
3405 *curfullcmd = '\0';
3406 }
3407
3408 /* that failed, try the bare name */
3409 res = GetFileAttributes(fullcmd);
3410 if (res != 0xFFFFFFFF && !(res & FILE_ATTRIBUTE_DIRECTORY))
3411 return fullcmd;
3412
3413 /* quit if no other path exists, or if cmd already has path */
3414 if (!pathstr || !*pathstr || has_slash)
3415 break;
3416
3417 /* skip leading semis */
3418 while (*pathstr == ';')
3419 pathstr++;
3420
3421 /* build a new prefix from scratch */
3422 curfullcmd = fullcmd;
3423 while (*pathstr && *pathstr != ';') {
3424 if (*pathstr == '"') { /* foo;"baz;etc";bar */
3425 pathstr++; /* skip initial '"' */
3426 while (*pathstr && *pathstr != '"') {
3427 if (curfullcmd-fullcmd < MAX_PATH-cmdlen-5)
3428 *curfullcmd++ = *pathstr;
3429 pathstr++;
3430 }
3431 if (*pathstr)
3432 pathstr++; /* skip trailing '"' */
3433 }
3434 else {
3435 if (curfullcmd-fullcmd < MAX_PATH-cmdlen-5)
3436 *curfullcmd++ = *pathstr;
3437 pathstr++;
3438 }
3439 }
3440 if (*pathstr)
3441 pathstr++; /* skip trailing semi */
3442 if (curfullcmd > fullcmd /* append a dir separator */
3443 && curfullcmd[-1] != '/' && curfullcmd[-1] != '\\')
3444 {
3445 *curfullcmd++ = '\\';
3446 }
3447 }
3448GIVE_UP:
3449 Safefree(fullcmd);
3450 return Nullch;
3451}
3452
3075ddba
GS
3453/* The following are just place holders.
3454 * Some hosts may provide and environment that the OS is
3455 * not tracking, therefore, these host must provide that
3456 * environment and the current directory to CreateProcess
3457 */
3458
df3728a2
JH
3459DllExport void*
3460win32_get_childenv(void)
3075ddba
GS
3461{
3462 return NULL;
3463}
3464
df3728a2
JH
3465DllExport void
3466win32_free_childenv(void* d)
3075ddba
GS
3467{
3468}
3469
df3728a2
JH
3470DllExport void
3471win32_clearenv(void)
3472{
3473 char *envv = GetEnvironmentStrings();
3474 char *cur = envv;
3475 STRLEN len;
3476 while (*cur) {
3477 char *end = strchr(cur,'=');
3478 if (end && end != cur) {
3479 *end = '\0';
3480 SetEnvironmentVariable(cur, NULL);
3481 *end = '=';
3482 cur = end + strlen(end+1)+2;
3483 }
3484 else if ((len = strlen(cur)))
3485 cur += len+1;
3486 }
3487 FreeEnvironmentStrings(envv);
3488}
3489
3490DllExport char*
3491win32_get_childdir(void)
3075ddba 3492{
acfe0abc 3493 dTHX;
7766f137
GS
3494 char* ptr;
3495 char szfilename[(MAX_PATH+1)*2];
3496 if (USING_WIDE()) {
3497 WCHAR wfilename[MAX_PATH+1];
3498 GetCurrentDirectoryW(MAX_PATH+1, wfilename);
3499 W2AHELPER(wfilename, szfilename, sizeof(szfilename));
3500 }
3501 else {
3502 GetCurrentDirectoryA(MAX_PATH+1, szfilename);
3503 }
3504
3505 New(0, ptr, strlen(szfilename)+1, char);
3506 strcpy(ptr, szfilename);
3507 return ptr;
3075ddba
GS
3508}
3509
df3728a2
JH
3510DllExport void
3511win32_free_childdir(char* d)
3075ddba 3512{
acfe0abc 3513 dTHX;
7766f137 3514 Safefree(d);
3075ddba
GS
3515}
3516
3517
0aaad0ff
GS
3518/* XXX this needs to be made more compatible with the spawnvp()
3519 * provided by the various RTLs. In particular, searching for
3520 * *.{com,bat,cmd} files (as done by the RTLs) is unimplemented.
3521 * This doesn't significantly affect perl itself, because we
3522 * always invoke things using PERL5SHELL if a direct attempt to
3523 * spawn the executable fails.
3524 *
3525 * XXX splitting and rejoining the commandline between do_aspawn()
3526 * and win32_spawnvp() could also be avoided.
3527 */
3528
5aabfad6 3529DllExport int
3e3baf6d 3530win32_spawnvp(int mode, const char *cmdname, const char *const *argv)
0a753a76 3531{
0aaad0ff
GS
3532#ifdef USE_RTL_SPAWNVP
3533 return spawnvp(mode, cmdname, (char * const *)argv);
3534#else
acfe0abc 3535 dTHX;
2b260de0 3536 int ret;
3075ddba
GS
3537 void* env;
3538 char* dir;
635bbe87 3539 child_IO_table tbl;
0aaad0ff
GS
3540 STARTUPINFO StartupInfo;
3541 PROCESS_INFORMATION ProcessInformation;
3542 DWORD create = 0;
dd7038b3 3543 char *cmd;
0aaad0ff 3544 char *fullcmd = Nullch;
dd7038b3
JH
3545 char *cname = (char *)cmdname;
3546 STRLEN clen = 0;
3547
3548 if (cname) {
3549 clen = strlen(cname);
3550 /* if command name contains dquotes, must remove them */
3551 if (strchr(cname, '"')) {
3552 cmd = cname;
3553 New(0,cname,clen+1,char);
3554 clen = 0;
3555 while (*cmd) {
3556 if (*cmd != '"') {
3557 cname[clen] = *cmd;
3558 ++clen;
3559 }
3560 ++cmd;
3561 }
3562 cname[clen] = '\0';
3563 }
3564 }
3565
3566 cmd = create_command_line(cname, clen, argv);
0aaad0ff 3567
3075ddba
GS
3568 env = PerlEnv_get_childenv();
3569 dir = PerlEnv_get_childdir();
3570
0aaad0ff
GS
3571 switch(mode) {
3572 case P_NOWAIT: /* asynch + remember result */
3573 if (w32_num_children >= MAXIMUM_WAIT_OBJECTS) {
3574 errno = EAGAIN;
3575 ret = -1;
3576 goto RETVAL;
3577 }
7e5f34c0
NIS
3578 /* Create a new process group so we can use GenerateConsoleCtrlEvent()
3579 * in win32_kill()
3580 */
3581 create |= CREATE_NEW_PROCESS_GROUP;
0aaad0ff 3582 /* FALL THROUGH */
7e5f34c0 3583
0aaad0ff
GS
3584 case P_WAIT: /* synchronous execution */
3585 break;
3586 default: /* invalid mode */
3587 errno = EINVAL;
3588 ret = -1;
3589 goto RETVAL;
3590 }
3591 memset(&StartupInfo,0,sizeof(StartupInfo));
3592 StartupInfo.cb = sizeof(StartupInfo);
f83751a7 3593 memset(&tbl,0,sizeof(tbl));
635bbe87 3594 PerlEnv_get_child_IO(&tbl);
f83751a7
GS
3595 StartupInfo.dwFlags = tbl.dwFlags;
3596 StartupInfo.dwX = tbl.dwX;
3597 StartupInfo.dwY = tbl.dwY;
3598 StartupInfo.dwXSize = tbl.dwXSize;
3599 StartupInfo.dwYSize = tbl.dwYSize;
3600 StartupInfo.dwXCountChars = tbl.dwXCountChars;
3601 StartupInfo.dwYCountChars = tbl.dwYCountChars;
3602 StartupInfo.dwFillAttribute = tbl.dwFillAttribute;
3603 StartupInfo.wShowWindow = tbl.wShowWindow;
3604 StartupInfo.hStdInput = tbl.childStdIn;
3605 StartupInfo.hStdOutput = tbl.childStdOut;
3606 StartupInfo.hStdError = tbl.childStdErr;
3ffaa937
GS
3607 if (StartupInfo.hStdInput != INVALID_HANDLE_VALUE &&
3608 StartupInfo.hStdOutput != INVALID_HANDLE_VALUE &&
3609 StartupInfo.hStdError != INVALID_HANDLE_VALUE)
3610 {
3611 StartupInfo.dwFlags |= STARTF_USESTDHANDLES;
3612 }
3613 else {
3614 create |= CREATE_NEW_CONSOLE;
3615 }
3616
b309b8ae 3617 DEBUG_p(PerlIO_printf(Perl_debug_log, "Spawning [%s] with [%s]\n",
dd7038b3 3618 cname,cmd));
0aaad0ff 3619RETRY:
dd7038b3 3620 if (!CreateProcess(cname, /* search PATH to find executable */
0aaad0ff
GS
3621 cmd, /* executable, and its arguments */
3622 NULL, /* process attributes */
3623 NULL, /* thread attributes */
3624 TRUE, /* inherit handles */
3625 create, /* creation flags */
3075ddba
GS
3626 (LPVOID)env, /* inherit environment */
3627 dir, /* inherit cwd */
0aaad0ff
GS
3628 &StartupInfo,
3629 &ProcessInformation))
3630 {
3631 /* initial NULL argument to CreateProcess() does a PATH
3632 * search, but it always first looks in the directory
3633 * where the current process was started, which behavior
3634 * is undesirable for backward compatibility. So we
3635 * jump through our own hoops by picking out the path
3636 * we really want it to use. */
3637 if (!fullcmd) {
dd7038b3 3638 fullcmd = qualified_path(cname);
0aaad0ff 3639 if (fullcmd) {
dd7038b3
JH
3640 if (cname != cmdname)
3641 Safefree(cname);
3642 cname = fullcmd;
b309b8ae
JH
3643 DEBUG_p(PerlIO_printf(Perl_debug_log,
3644 "Retrying [%s] with same args\n",
dd7038b3 3645 cname));
0aaad0ff
GS
3646 goto RETRY;
3647 }
3648 }
3649 errno = ENOENT;
3650 ret = -1;
3651 goto RETVAL;
3652 }
2d7a9237 3653
0aaad0ff
GS
3654 if (mode == P_NOWAIT) {
3655 /* asynchronous spawn -- store handle, return PID */
2b260de0 3656 ret = (int)ProcessInformation.dwProcessId;
922b1888
GS
3657 if (IsWin95() && ret < 0)
3658 ret = -ret;
3659
3660 w32_child_handles[w32_num_children] = ProcessInformation.hProcess;
3661 w32_child_pids[w32_num_children] = (DWORD)ret;
0aaad0ff
GS
3662 ++w32_num_children;
3663 }
3664 else {
2b260de0 3665 DWORD status;
8fb3fcfb 3666 win32_msgwait(aTHX_ 1, &ProcessInformation.hProcess, INFINITE, NULL);
7e5f34c0
NIS
3667 /* FIXME: if msgwait returned due to message perhaps forward the
3668 "signal" to the process
3669 */