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[perl5.git] / win32 / win32.c
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68dc0745
PP		 1/* WIN32.C
2 *
3 * (c) 1995 Microsoft Corporation. All rights reserved.
4 * Developed by hip communications inc., http://info.hip.com/info/
5 * Portions (c) 1993 Intergraph Corporation. All rights reserved.
6 *
7 * You may distribute under the terms of either the GNU General Public
8 * License or the Artistic License, as specified in the README file.
9 */
3da9a137 10#define PERLIO_NOT_STDIO 0
0a753a76
PP		 11#define WIN32_LEAN_AND_MEAN
12#define WIN32IO_IS_STDIO
13#include <tchar.h>
a835ef8a
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>
0a753a76 25
68dc0745 26/* #include "config.h" */
0a753a76 27
0a753a76
PP		 28#if !defined(PERLIO_IS_STDIO) && !defined(USE_SFIO)
29#define PerlIO FILE
30#endif
31
7a9ec5a3 32#include <sys/stat.h>
0a753a76
PP		 33#include "EXTERN.h"
34#include "perl.h"
c69f6586
GS		 35
36#define NO_XSLOCKS
c5be433b 37#define PERL_NO_GET_CONTEXT
ad2e33dc 38#include "XSUB.h"
c69f6586
GS		 39
40#include "Win32iop.h"
0a753a76 41#include <fcntl.h>
5b0d9cbe
NIS		 42#ifndef __GNUC__
43/* assert.h conflicts with #define of assert in perl.h */
0a753a76 44#include <assert.h>
5b0d9cbe 45#endif
0a753a76
PP		 46#include <string.h>
47#include <stdarg.h>
ad2e33dc 48#include <float.h>
ad0751ec 49#include <time.h>
3730b96e 50#if defined(_MSC_VER) || defined(__MINGW32__)
ad0751ec
GS		 51#include <sys/utime.h>
52#else
53#include <utime.h>
54#endif
5b0d9cbe
NIS		 55#ifdef __GNUC__
56/* Mingw32 defaults to globing command line
57 * So we turn it off like this:
58 */
59int _CRT_glob = 0;
60#endif
61
2b260de0 62#if defined(__MINGW32__)
f8fb7c90
GS		 63/* Mingw32 is missing some prototypes */
64FILE * _wfopen(LPCWSTR wszFileName, LPCWSTR wszMode);
65FILE * _wfdopen(int nFd, LPCWSTR wszMode);
66FILE * _freopen(LPCWSTR wszFileName, LPCWSTR wszMode, FILE * pOldStream);
67int _flushall();
68int _fcloseall();
2b260de0
GS		 69#endif
70
71#if defined(__BORLANDC__)
0b94c7bb
GS		 72# define _stat stat
73# define _utimbuf utimbuf
74#endif
75
6890e559
GS		 76#define EXECF_EXEC 1
77#define EXECF_SPAWN 2
78#define EXECF_SPAWN_NOWAIT 3
79
32e30700
GS		 80#if defined(PERL_IMPLICIT_SYS)
81# undef win32_get_privlib
82# define win32_get_privlib g_win32_get_privlib
83# undef win32_get_sitelib
84# define win32_get_sitelib g_win32_get_sitelib
4ea817c6
GS		 85# undef win32_get_vendorlib
86# define win32_get_vendorlib g_win32_get_vendorlib
32e30700
GS		 87# undef do_spawn
88# define do_spawn g_do_spawn
89# undef getlogin
90# define getlogin g_getlogin
91#endif
92
ce1da67e 93static void get_shell(void);
dff6d3cd 94static long tokenize(const char *str, char **dest, char ***destv);
c5be433b 95 int do_spawn2(char *cmd, int exectype);
e200fe59 96static BOOL has_shell_metachars(char *ptr);
2d7a9237 97static long filetime_to_clock(PFILETIME ft);
ad0751ec 98static BOOL filetime_from_time(PFILETIME ft, time_t t);
c5be433b 99static char * get_emd_part(SV **leading, char *trailing, ...);
0aaad0ff
GS		 100static void remove_dead_process(long deceased);
101static long find_pid(int pid);
102static char * qualified_path(const char *cmd);
4ea817c6
GS		 103static char * win32_get_xlib(const char *pl, const char *xlib,
104 const char *libname);
105
7766f137
GS		 106#ifdef USE_ITHREADS
107static void remove_dead_pseudo_process(long child);
108static long find_pseudo_pid(int pid);
109#endif
c69f6586 110
7766f137 111START_EXTERN_C
2d7a9237 112HANDLE w32_perldll_handle = INVALID_HANDLE_VALUE;
8ac9c18d 113char w32_module_name[MAX_PATH+1];
7766f137
GS		 114END_EXTERN_C
115
4b556e6c 116static DWORD w32_platform = (DWORD)-1;
50892819 117
7766f137
GS		 118#define ONE_K_BUFSIZE 1024
119
3fe9a6f1 120int
ba106d47
GS		 121IsWin95(void)
122{
0cb96387 123 return (win32_os_id() == VER_PLATFORM_WIN32_WINDOWS);
3fe9a6f1
PP		 124}
125
126int
ba106d47
GS		 127IsWinNT(void)
128{
0cb96387 129 return (win32_os_id() == VER_PLATFORM_WIN32_NT);
3fe9a6f1 130}
0a753a76 131
2fa86c13
GS		 132EXTERN_C void
133set_w32_module_name(void)
134{
135 char* ptr;
136 GetModuleFileName((HMODULE)((w32_perldll_handle == INVALID_HANDLE_VALUE)
137 ? GetModuleHandle(NULL)
138 : w32_perldll_handle),
139 w32_module_name, sizeof(w32_module_name));
140
141 /* try to get full path to binary (which may be mangled when perl is
142 * run from a 16-bit app) */
143 /*PerlIO_printf(Perl_debug_log, "Before %s\n", w32_module_name);*/
144 (void)win32_longpath(w32_module_name);
145 /*PerlIO_printf(Perl_debug_log, "After %s\n", w32_module_name);*/
146
147 /* normalize to forward slashes */
148 ptr = w32_module_name;
149 while (*ptr) {
150 if (*ptr == '\\')
151 *ptr = '/';
152 ++ptr;
153 }
154}
155
c5be433b 156/* *svp (if non-NULL) is expected to be POK (valid allocated SvPVX(*svp)) */
51371543 157static char*
c5be433b 158get_regstr_from(HKEY hkey, const char *valuename, SV **svp)
349ad1fe
GS		 159{
160 /* Retrieve a REG_SZ or REG_EXPAND_SZ from the registry */
00dc2f4f
GS		 161 HKEY handle;
162 DWORD type;
163 const char *subkey = "Software\\Perl";
349ad1fe 164 char *str = Nullch;
00dc2f4f
GS		 165 long retval;
166
167 retval = RegOpenKeyEx(hkey, subkey, 0, KEY_READ, &handle);
349ad1fe 168 if (retval == ERROR_SUCCESS) {
51371543
GS		 169 DWORD datalen;
170 retval = RegQueryValueEx(handle, valuename, 0, &type, NULL, &datalen);
1c94caf4
GS		 171 if (retval == ERROR_SUCCESS
172 && (type == REG_SZ || type == REG_EXPAND_SZ))
173 {
acfe0abc 174 dTHX;
c5be433b
GS		 175 if (!*svp)
176 *svp = sv_2mortal(newSVpvn("",0));
177 SvGROW(*svp, datalen);
51371543 178 retval = RegQueryValueEx(handle, valuename, 0, NULL,
c5be433b 179 (PBYTE)SvPVX(*svp), &datalen);
51371543 180 if (retval == ERROR_SUCCESS) {
c5be433b
GS		 181 str = SvPVX(*svp);
182 SvCUR_set(*svp,datalen-1);
51371543 183 }
00dc2f4f
GS		 184 }
185 RegCloseKey(handle);
186 }
349ad1fe 187 return str;
00dc2f4f
GS		 188}
189
c5be433b 190/* *svp (if non-NULL) is expected to be POK (valid allocated SvPVX(*svp)) */
51371543 191static char*
c5be433b 192get_regstr(const char *valuename, SV **svp)
00dc2f4f 193{
c5be433b 194 char *str = get_regstr_from(HKEY_CURRENT_USER, valuename, svp);
349ad1fe 195 if (!str)
c5be433b 196 str = get_regstr_from(HKEY_LOCAL_MACHINE, valuename, svp);
349ad1fe 197 return str;
00dc2f4f
GS		 198}
199
c5be433b 200/* *prev_pathp (if non-NULL) is expected to be POK (valid allocated SvPVX(sv)) */
e5a95ffb 201static char *
c5be433b 202get_emd_part(SV **prev_pathp, char *trailing_path, ...)
00dc2f4f 203{
dc9e4912 204 char base[10];
e5a95ffb 205 va_list ap;
e24c7c18 206 char mod_name[MAX_PATH+1];
00dc2f4f 207 char *ptr;
e5a95ffb
GS		 208 char *optr;
209 char *strip;
210 int oldsize, newsize;
273cf8d1 211 STRLEN baselen;
e5a95ffb
GS		 212
213 va_start(ap, trailing_path);
214 strip = va_arg(ap, char *);
215
273cf8d1
GS		 216 sprintf(base, "%d.%d", (int)PERL_REVISION, (int)PERL_VERSION);
217 baselen = strlen(base);
dc9e4912 218
8ac9c18d 219 if (!*w32_module_name) {
2fa86c13 220 set_w32_module_name();
95140b98 221 }
8ac9c18d 222 strcpy(mod_name, w32_module_name);
95140b98 223 ptr = strrchr(mod_name, '/');
e5a95ffb
GS		 224 while (ptr && strip) {
225 /* look for directories to skip back */
226 optr = ptr;
00dc2f4f 227 *ptr = '\0';
95140b98 228 ptr = strrchr(mod_name, '/');
1c39adb2
GS		 229 /* avoid stripping component if there is no slash,
230 * or it doesn't match ... */
e5a95ffb 231 if (!ptr || stricmp(ptr+1, strip) != 0) {
273cf8d1 232 /* ... but not if component matches m|5\.$patchlevel.*| */
1c39adb2 233 if (!ptr || !(*strip == '5' && *(ptr+1) == '5'
273cf8d1
GS		 234 && strncmp(strip, base, baselen) == 0
235 && strncmp(ptr+1, base, baselen) == 0))
95140b98
GS		 236 {
237 *optr = '/';
80252599
GS		 238 ptr = optr;
239 }
00dc2f4f 240 }
e5a95ffb 241 strip = va_arg(ap, char *);
00dc2f4f 242 }
e5a95ffb
GS		 243 if (!ptr) {
244 ptr = mod_name;
245 *ptr++ = '.';
95140b98 246 *ptr = '/';
00dc2f4f 247 }
e5a95ffb
GS		 248 va_end(ap);
249 strcpy(++ptr, trailing_path);
250
dc9e4912 251 /* only add directory if it exists */
349ad1fe 252 if (GetFileAttributes(mod_name) != (DWORD) -1) {
dc9e4912 253 /* directory exists */
acfe0abc 254 dTHX;
c5be433b
GS		 255 if (!*prev_pathp)
256 *prev_pathp = sv_2mortal(newSVpvn("",0));
257 sv_catpvn(*prev_pathp, ";", 1);
258 sv_catpv(*prev_pathp, mod_name);
259 return SvPVX(*prev_pathp);
00dc2f4f 260 }
00dc2f4f 261
cf11f4bf 262 return Nullch;
00dc2f4f
GS		 263}
264
265char *
4ea817c6 266win32_get_privlib(const char *pl)
00dc2f4f 267{
acfe0abc 268 dTHX;
e5a95ffb
GS		 269 char *stdlib = "lib";
270 char buffer[MAX_PATH+1];
51371543 271 SV *sv = Nullsv;
00dc2f4f 272
e5a95ffb
GS		 273 /* $stdlib = $HKCU{"lib-$]"} || $HKLM{"lib-$]"} || $HKCU{"lib"} || $HKLM{"lib"} || ""; */
274 sprintf(buffer, "%s-%s", stdlib, pl);
c5be433b
GS		 275 if (!get_regstr(buffer, &sv))
276 (void)get_regstr(stdlib, &sv);
00dc2f4f 277
e5a95ffb 278 /* $stdlib .= ";$EMD/../../lib" */
c5be433b 279 return get_emd_part(&sv, stdlib, ARCHNAME, "bin", Nullch);
00dc2f4f
GS		 280}
281
4ea817c6
GS		 282static char *
283win32_get_xlib(const char *pl, const char *xlib, const char *libname)
00dc2f4f 284{
acfe0abc 285 dTHX;
e5a95ffb 286 char regstr[40];
e24c7c18 287 char pathstr[MAX_PATH+1];
e5a95ffb 288 DWORD datalen;
e5a95ffb 289 int len, newsize;
51371543
GS		 290 SV *sv1 = Nullsv;
291 SV *sv2 = Nullsv;
00dc2f4f 292
4ea817c6
GS		 293 /* $HKCU{"$xlib-$]"} || $HKLM{"$xlib-$]"} . ---; */
294 sprintf(regstr, "%s-%s", xlib, pl);
c5be433b 295 (void)get_regstr(regstr, &sv1);
e5a95ffb 296
4ea817c6
GS		 297 /* $xlib .=
298 * ";$EMD/" . ((-d $EMD/../../../$]) ? "../../.." : "../.."). "/$libname/$]/lib"; */
299 sprintf(pathstr, "%s/%s/lib", libname, pl);
c5be433b 300 (void)get_emd_part(&sv1, pathstr, ARCHNAME, "bin", pl, Nullch);
00dc2f4f 301
4ea817c6
GS		 302 /* $HKCU{$xlib} || $HKLM{$xlib} . ---; */
303 (void)get_regstr(xlib, &sv2);
00dc2f4f 304
4ea817c6
GS		 305 /* $xlib .=
306 * ";$EMD/" . ((-d $EMD/../../../$]) ? "../../.." : "../.."). "/$libname/lib"; */
307 sprintf(pathstr, "%s/lib", libname);
308 (void)get_emd_part(&sv2, pathstr, ARCHNAME, "bin", pl, Nullch);
e5a95ffb 309
51371543
GS		 310 if (!sv1 && !sv2)
311 return Nullch;
312 if (!sv1)
313 return SvPVX(sv2);
314 if (!sv2)
315 return SvPVX(sv1);
e5a95ffb 316
349ad1fe
GS		 317 sv_catpvn(sv1, ";", 1);
318 sv_catsv(sv1, sv2);
e5a95ffb 319
349ad1fe 320 return SvPVX(sv1);
68dc0745 321}
0a753a76 322
4ea817c6
GS		 323char *
324win32_get_sitelib(const char *pl)
325{
326 return win32_get_xlib(pl, "sitelib", "site");
327}
328
329#ifndef PERL_VENDORLIB_NAME
330# define PERL_VENDORLIB_NAME "vendor"
331#endif
332
333char *
334win32_get_vendorlib(const char *pl)
335{
336 return win32_get_xlib(pl, "vendorlib", PERL_VENDORLIB_NAME);
337}
b4793f7f 338
2d7a9237 339static BOOL
e200fe59 340has_shell_metachars(char *ptr)
68dc0745
PP		 341{
342 int inquote = 0;
343 char quote = '\0';
344
345 /*
346 * Scan string looking for redirection (< or >) or pipe
e200fe59
JD		 347 * characters (|) that are not in a quoted string.
348 * Shell variable interpolation (%VAR%) can also happen inside strings.
68dc0745 349 */
9404a519 350 while (*ptr) {
68dc0745 351 switch(*ptr) {
e200fe59
JD		 352 case '%':
353 return TRUE;
68dc0745
PP		 354 case '\'':
355 case '\"':
9404a519
GS		 356 if (inquote) {
357 if (quote == *ptr) {
68dc0745
PP		 358 inquote = 0;
359 quote = '\0';
0a753a76 360 }
68dc0745
PP		 361 }
362 else {
363 quote = *ptr;
364 inquote++;
365 }
366 break;
367 case '>':
368 case '<':
369 case '|':
9404a519 370 if (!inquote)
68dc0745
PP		 371 return TRUE;
372 default:
373 break;
0a753a76 374 }
68dc0745
PP		 375 ++ptr;
376 }
377 return FALSE;
0a753a76
PP		 378}
379
32e30700 380#if !defined(PERL_IMPLICIT_SYS)
68dc0745
PP		 381/* since the current process environment is being updated in util.c
382 * the library functions will get the correct environment
383 */
384PerlIO *
4f63d024 385Perl_my_popen(pTHX_ char *cmd, char *mode)
0a753a76
PP		 386{
387#ifdef FIXCMD
7766f137
GS		 388#define fixcmd(x) { \
389 char *pspace = strchr((x),' '); \
390 if (pspace) { \
391 char *p = (x); \
392 while (p < pspace) { \
393 if (*p == '/') \
394 *p = '\\'; \
395 p++; \
396 } \
397 } \
398 }
0a753a76
PP		 399#else
400#define fixcmd(x)
401#endif
68dc0745 402 fixcmd(cmd);
45bc9206 403 PERL_FLUSHALL_FOR_CHILD;
0a753a76 404 return win32_popen(cmd, mode);
0a753a76
PP		 405}
406
68dc0745 407long
4f63d024 408Perl_my_pclose(pTHX_ PerlIO *fp)
0a753a76
PP		 409{
410 return win32_pclose(fp);
411}
c69f6586 412#endif
0a753a76 413
0cb96387
GS		 414DllExport unsigned long
415win32_os_id(void)
0a753a76 416{
8b10511d 417 static OSVERSIONINFO osver;
0a753a76 418
2d7a9237 419 if (osver.dwPlatformId != w32_platform) {
8b10511d
GS		 420 memset(&osver, 0, sizeof(OSVERSIONINFO));
421 osver.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
422 GetVersionEx(&osver);
2d7a9237 423 w32_platform = osver.dwPlatformId;
8b10511d 424 }
0cb96387 425 return (unsigned long)w32_platform;
0a753a76
PP		 426}
427
7766f137
GS		 428DllExport int
429win32_getpid(void)
430{
922b1888 431 int pid;
7766f137 432#ifdef USE_ITHREADS
acfe0abc 433 dTHX;
7766f137
GS		 434 if (w32_pseudo_id)
435 return -((int)w32_pseudo_id);
436#endif
922b1888
GS		 437 pid = _getpid();
438 /* Windows 9x appears to always reports a pid for threads and processes
439 * that has the high bit set. So we treat the lower 31 bits as the
440 * "real" PID for Perl's purposes. */
441 if (IsWin95() && pid < 0)
442 pid = -pid;
443 return pid;
7766f137
GS		 444}
445
ce1da67e
GS		 446/* Tokenize a string. Words are null-separated, and the list
447 * ends with a doubled null. Any character (except null and
448 * including backslash) may be escaped by preceding it with a
449 * backslash (the backslash will be stripped).
450 * Returns number of words in result buffer.
451 */
452static long
dff6d3cd 453tokenize(const char *str, char **dest, char ***destv)
ce1da67e
GS		 454{
455 char *retstart = Nullch;
456 char **retvstart = 0;
457 int items = -1;
458 if (str) {
acfe0abc 459 dTHX;
ce1da67e
GS		 460 int slen = strlen(str);
461 register char *ret;
462 register char **retv;
463 New(1307, ret, slen+2, char);
464 New(1308, retv, (slen+3)/2, char*);
465
466 retstart = ret;
467 retvstart = retv;
468 *retv = ret;
469 items = 0;
470 while (*str) {
471 *ret = *str++;
472 if (*ret == '\\' && *str)
473 *ret = *str++;
474 else if (*ret == ' ') {
475 while (*str == ' ')
476 str++;
477 if (ret == retstart)
478 ret--;
479 else {
480 *ret = '\0';
481 ++items;
482 if (*str)
483 *++retv = ret+1;
484 }
485 }
486 else if (!*str)
487 ++items;
488 ret++;
489 }
490 retvstart[items] = Nullch;
491 *ret++ = '\0';
492 *ret = '\0';
493 }
494 *dest = retstart;
495 *destv = retvstart;
496 return items;
497}
498
499static void
2d7a9237 500get_shell(void)
0a753a76 501{
acfe0abc 502 dTHX;
ce1da67e 503 if (!w32_perlshell_tokens) {
174c211a
GS		 504 /* we don't use COMSPEC here for two reasons:
505 * 1. the same reason perl on UNIX doesn't use SHELL--rampant and
506 * uncontrolled unportability of the ensuing scripts.
507 * 2. PERL5SHELL could be set to a shell that may not be fit for
508 * interactive use (which is what most programs look in COMSPEC
509 * for).
510 */
dff6d3cd
GS		 511 const char* defaultshell = (IsWinNT()
512 ? "cmd.exe /x/c" : "command.com /c");
2fb9ab56 513 const char *usershell = PerlEnv_getenv("PERL5SHELL");
ce1da67e
GS		 514 w32_perlshell_items = tokenize(usershell ? usershell : defaultshell,
515 &w32_perlshell_tokens,
516 &w32_perlshell_vec);
68dc0745 517 }
0a753a76
PP		 518}
519
68dc0745 520int
c5be433b 521do_aspawn(void *vreally, void **vmark, void **vsp)
0a753a76 522{
acfe0abc 523 dTHX;
2d7a9237
GS		 524 SV *really = (SV*)vreally;
525 SV **mark = (SV**)vmark;
526 SV **sp = (SV**)vsp;
68dc0745 527 char **argv;
2d7a9237 528 char *str;
68dc0745 529 int status;
2d7a9237 530 int flag = P_WAIT;
68dc0745 531 int index = 0;
68dc0745 532
2d7a9237
GS		 533 if (sp <= mark)
534 return -1;
68dc0745 535
ce1da67e
GS		 536 get_shell();
537 New(1306, argv, (sp - mark) + w32_perlshell_items + 2, char*);
2d7a9237
GS		 538
539 if (SvNIOKp(*(mark+1)) && !SvPOKp(*(mark+1))) {
540 ++mark;
541 flag = SvIVx(*mark);
68dc0745
PP		 542 }
543
9404a519 544 while (++mark <= sp) {
bb897dfc 545 if (*mark && (str = SvPV_nolen(*mark)))
2d7a9237
GS		 546 argv[index++] = str;
547 else
548 argv[index++] = "";
68dc0745
PP		 549 }
550 argv[index++] = 0;
551
2d7a9237 552 status = win32_spawnvp(flag,
bb897dfc 553 (const char*)(really ? SvPV_nolen(really) : argv[0]),
2d7a9237
GS		 554 (const char* const*)argv);
555
80252599 556 if (status < 0 && (errno == ENOEXEC || errno == ENOENT)) {
2d7a9237 557 /* possible shell-builtin, invoke with shell */
ce1da67e
GS		 558 int sh_items;
559 sh_items = w32_perlshell_items;
2d7a9237
GS		 560 while (--index >= 0)
561 argv[index+sh_items] = argv[index];
ce1da67e
GS		 562 while (--sh_items >= 0)
563 argv[sh_items] = w32_perlshell_vec[sh_items];
2d7a9237
GS		 564
565 status = win32_spawnvp(flag,
bb897dfc 566 (const char*)(really ? SvPV_nolen(really) : argv[0]),
2d7a9237
GS		 567 (const char* const*)argv);
568 }
68dc0745 569
922b1888
GS		 570 if (flag == P_NOWAIT) {
571 if (IsWin95())
572 PL_statusvalue = -1; /* >16bits hint for pp_system() */
573 }
574 else {
50892819 575 if (status < 0) {
0453d815
PM		 576 if (ckWARN(WARN_EXEC))
577 Perl_warner(aTHX_ WARN_EXEC, "Can't spawn \"%s\": %s", argv[0], strerror(errno));
50892819
GS		 578 status = 255 * 256;
579 }
580 else
581 status *= 256;
b28d0864 582 PL_statusvalue = status;
5aabfad6 583 }
ce1da67e 584 Safefree(argv);
50892819 585 return (status);
68dc0745
PP		 586}
587
dd7038b3
JH		 588/* returns pointer to the next unquoted space or the end of the string */
589static char*
590find_next_space(const char *s)
591{
592 bool in_quotes = FALSE;
593 while (*s) {
594 /* ignore doubled backslashes, or backslash+quote */
595 if (*s == '\\' && (s[1] == '\\' || s[1] == '"')) {
596 s += 2;
597 }
598 /* keep track of when we're within quotes */
599 else if (*s == '"') {
600 s++;
601 in_quotes = !in_quotes;
602 }
603 /* break it up only at spaces that aren't in quotes */
604 else if (!in_quotes && isSPACE(*s))
605 return (char*)s;
606 else
607 s++;
608 }
609 return (char*)s;
610}
611
c69f6586 612int
c5be433b 613do_spawn2(char *cmd, int exectype)
68dc0745 614{
acfe0abc 615 dTHX;
68dc0745
PP		 616 char **a;
617 char *s;
618 char **argv;
619 int status = -1;
620 BOOL needToTry = TRUE;
2d7a9237 621 char *cmd2;
68dc0745 622
2d7a9237
GS		 623 /* Save an extra exec if possible. See if there are shell
624 * metacharacters in it */
e200fe59 625 if (!has_shell_metachars(cmd)) {
fc36a67e
PP		 626 New(1301,argv, strlen(cmd) / 2 + 2, char*);
627 New(1302,cmd2, strlen(cmd) + 1, char);
68dc0745
PP		 628 strcpy(cmd2, cmd);
629 a = argv;
630 for (s = cmd2; *s;) {
de030af3 631 while (*s && isSPACE(*s))
68dc0745
PP		 632 s++;
633 if (*s)
634 *(a++) = s;
dd7038b3 635 s = find_next_space(s);
9404a519 636 if (*s)
68dc0745 637 *s++ = '\0';
0a753a76 638 }
68dc0745 639 *a = Nullch;
ce1da67e 640 if (argv[0]) {
6890e559
GS		 641 switch (exectype) {
642 case EXECF_SPAWN:
643 status = win32_spawnvp(P_WAIT, argv[0],
644 (const char* const*)argv);
645 break;
646 case EXECF_SPAWN_NOWAIT:
647 status = win32_spawnvp(P_NOWAIT, argv[0],
648 (const char* const*)argv);
649 break;
650 case EXECF_EXEC:
651 status = win32_execvp(argv[0], (const char* const*)argv);
652 break;
653 }
2d7a9237 654 if (status != -1 || errno == 0)
68dc0745 655 needToTry = FALSE;
0a753a76 656 }
0a753a76 657 Safefree(argv);
68dc0745
PP		 658 Safefree(cmd2);
659 }
2d7a9237 660 if (needToTry) {
ce1da67e
GS		 661 char **argv;
662 int i = -1;
663 get_shell();
664 New(1306, argv, w32_perlshell_items + 2, char*);
665 while (++i < w32_perlshell_items)
666 argv[i] = w32_perlshell_vec[i];
2d7a9237
GS		 667 argv[i++] = cmd;
668 argv[i] = Nullch;
6890e559
GS		 669 switch (exectype) {
670 case EXECF_SPAWN:
671 status = win32_spawnvp(P_WAIT, argv[0],
672 (const char* const*)argv);
673 break;
674 case EXECF_SPAWN_NOWAIT:
675 status = win32_spawnvp(P_NOWAIT, argv[0],
676 (const char* const*)argv);
677 break;
678 case EXECF_EXEC:
679 status = win32_execvp(argv[0], (const char* const*)argv);
680 break;
681 }
ce1da67e
GS		 682 cmd = argv[0];
683 Safefree(argv);
68dc0745 684 }
922b1888
GS		 685 if (exectype == EXECF_SPAWN_NOWAIT) {
686 if (IsWin95())
687 PL_statusvalue = -1; /* >16bits hint for pp_system() */
688 }
689 else {
50892819 690 if (status < 0) {
0453d815
PM		 691 if (ckWARN(WARN_EXEC))
692 Perl_warner(aTHX_ WARN_EXEC, "Can't %s \"%s\": %s",
50892819
GS		 693 (exectype == EXECF_EXEC ? "exec" : "spawn"),
694 cmd, strerror(errno));
695 status = 255 * 256;
696 }
697 else
698 status *= 256;
b28d0864 699 PL_statusvalue = status;
5aabfad6 700 }
50892819 701 return (status);
0a753a76
PP		 702}
703
6890e559 704int
c5be433b 705do_spawn(char *cmd)
6890e559 706{
c5be433b 707 return do_spawn2(cmd, EXECF_SPAWN);
6890e559
GS		 708}
709
2d7a9237 710int
c5be433b 711do_spawn_nowait(char *cmd)
2d7a9237 712{
c5be433b 713 return do_spawn2(cmd, EXECF_SPAWN_NOWAIT);
2d7a9237
GS		 714}
715
6890e559 716bool
4f63d024 717Perl_do_exec(pTHX_ char *cmd)
6890e559 718{
c5be433b 719 do_spawn2(cmd, EXECF_EXEC);
6890e559
GS		 720 return FALSE;
721}
722
68dc0745
PP		 723/* The idea here is to read all the directory names into a string table
724 * (separated by nulls) and when one of the other dir functions is called
725 * return the pointer to the current file name.
726 */
c5be433b 727DllExport DIR *
ce2e26e5 728win32_opendir(char *filename)
0a753a76 729{
acfe0abc 730 dTHX;
95136add 731 DIR *dirp;
9404a519
GS		 732 long len;
733 long idx;
734 char scanname[MAX_PATH+3];
735 struct stat sbuf;
7fac1903
GS		 736 WIN32_FIND_DATAA aFindData;
737 WIN32_FIND_DATAW wFindData;
9404a519 738 HANDLE fh;
7fac1903 739 char buffer[MAX_PATH*2];
82867ecf 740 WCHAR wbuffer[MAX_PATH+1];
95136add 741 char* ptr;
9404a519
GS		 742
743 len = strlen(filename);
744 if (len > MAX_PATH)
745 return NULL;
68dc0745
PP		 746
747 /* check to see if filename is a directory */
69d3ab13 748 if (win32_stat(filename, &sbuf) < 0 || !S_ISDIR(sbuf.st_mode))
24caa93f 749 return NULL;
68dc0745 750
68dc0745 751 /* Get us a DIR structure */
95136add 752 Newz(1303, dirp, 1, DIR);
68dc0745
PP		 753
754 /* Create the search pattern */
755 strcpy(scanname, filename);
23db2e2d
GS		 756
757 /* bare drive name means look in cwd for drive */
758 if (len == 2 && isALPHA(scanname[0]) && scanname[1] == ':') {
759 scanname[len++] = '.';
760 scanname[len++] = '/';
761 }
762 else if (scanname[len-1] != '/' && scanname[len-1] != '\\') {
9404a519 763 scanname[len++] = '/';
23db2e2d 764 }
9404a519
GS		 765 scanname[len++] = '*';
766 scanname[len] = '\0';
68dc0745
PP		 767
768 /* do the FindFirstFile call */
7fac1903 769 if (USING_WIDE()) {
0cb96387 770 A2WHELPER(scanname, wbuffer, sizeof(wbuffer));
7766f137 771 fh = FindFirstFileW(PerlDir_mapW(wbuffer), &wFindData);
7fac1903
GS		 772 }
773 else {
7766f137 774 fh = FindFirstFileA(PerlDir_mapA(scanname), &aFindData);
7fac1903 775 }
95136add 776 dirp->handle = fh;
9404a519 777 if (fh == INVALID_HANDLE_VALUE) {
95136add 778 DWORD err = GetLastError();
21e72512 779 /* FindFirstFile() fails on empty drives! */
95136add
GS		 780 switch (err) {
781 case ERROR_FILE_NOT_FOUND:
782 return dirp;
783 case ERROR_NO_MORE_FILES:
784 case ERROR_PATH_NOT_FOUND:
785 errno = ENOENT;
786 break;
787 case ERROR_NOT_ENOUGH_MEMORY:
788 errno = ENOMEM;
789 break;
790 default:
791 errno = EINVAL;
792 break;
793 }
794 Safefree(dirp);
68dc0745
PP		 795 return NULL;
796 }
797
798 /* now allocate the first part of the string table for
799 * the filenames that we find.
800 */
7fac1903 801 if (USING_WIDE()) {
0cb96387 802 W2AHELPER(wFindData.cFileName, buffer, sizeof(buffer));
7fac1903
GS		 803 ptr = buffer;
804 }
805 else {
806 ptr = aFindData.cFileName;
807 }
808 idx = strlen(ptr)+1;
95136add
GS		 809 if (idx < 256)
810 dirp->size = 128;
811 else
812 dirp->size = idx;
813 New(1304, dirp->start, dirp->size, char);
814 strcpy(dirp->start, ptr);
815 dirp->nfiles++;
816 dirp->end = dirp->curr = dirp->start;
817 dirp->end += idx;
818 return dirp;
0a753a76
PP		 819}
820
821
68dc0745
PP		 822/* Readdir just returns the current string pointer and bumps the
823 * string pointer to the nDllExport entry.
824 */
c5be433b 825DllExport struct direct *
ce2e26e5 826win32_readdir(DIR *dirp)
0a753a76 827{
95136add 828 long len;
0a753a76 829
68dc0745
PP		 830 if (dirp->curr) {
831 /* first set up the structure to return */
832 len = strlen(dirp->curr);
0f38926b 833 strcpy(dirp->dirstr.d_name, dirp->curr);
68dc0745 834 dirp->dirstr.d_namlen = len;
0a753a76 835
68dc0745 836 /* Fake an inode */
0f38926b 837 dirp->dirstr.d_ino = dirp->curr - dirp->start;
0a753a76 838
95136add 839 /* Now set up for the next call to readdir */
68dc0745 840 dirp->curr += len + 1;
95136add 841 if (dirp->curr >= dirp->end) {
acfe0abc 842 dTHX;
95136add
GS		 843 char* ptr;
844 BOOL res;
845 WIN32_FIND_DATAW wFindData;
846 WIN32_FIND_DATAA aFindData;
847 char buffer[MAX_PATH*2];
848
849 /* finding the next file that matches the wildcard
850 * (which should be all of them in this directory!).
95136add
GS		 851 */
852 if (USING_WIDE()) {
853 res = FindNextFileW(dirp->handle, &wFindData);
854 if (res) {
855 W2AHELPER(wFindData.cFileName, buffer, sizeof(buffer));
856 ptr = buffer;
857 }
858 }
859 else {
860 res = FindNextFileA(dirp->handle, &aFindData);
861 if (res)
862 ptr = aFindData.cFileName;
863 }
864 if (res) {
0f38926b
GS		 865 long endpos = dirp->end - dirp->start;
866 long newsize = endpos + strlen(ptr) + 1;
95136add 867 /* bump the string table size by enough for the
022735b4 868 * new name and its null terminator */
0f38926b
GS		 869 while (newsize > dirp->size) {
870 long curpos = dirp->curr - dirp->start;
95136add
GS		 871 dirp->size *= 2;
872 Renew(dirp->start, dirp->size, char);
0f38926b 873 dirp->curr = dirp->start + curpos;
95136add 874 }
0f38926b
GS		 875 strcpy(dirp->start + endpos, ptr);
876 dirp->end = dirp->start + newsize;
95136add
GS		 877 dirp->nfiles++;
878 }
879 else
880 dirp->curr = NULL;
68dc0745 881 }
68dc0745
PP		 882 return &(dirp->dirstr);
883 }
884 else
885 return NULL;
0a753a76
PP		 886}
887
68dc0745 888/* Telldir returns the current string pointer position */
c5be433b 889DllExport long
ce2e26e5 890win32_telldir(DIR *dirp)
0a753a76 891{
95136add 892 return (dirp->curr - dirp->start);
0a753a76
PP		 893}
894
895
68dc0745 896/* Seekdir moves the string pointer to a previously saved position
95136add 897 * (returned by telldir).
68dc0745 898 */
c5be433b 899DllExport void
ce2e26e5 900win32_seekdir(DIR *dirp, long loc)
0a753a76 901{
95136add 902 dirp->curr = dirp->start + loc;
0a753a76
PP		 903}
904
68dc0745 905/* Rewinddir resets the string pointer to the start */
c5be433b 906DllExport void
ce2e26e5 907win32_rewinddir(DIR *dirp)
0a753a76
PP		 908{
909 dirp->curr = dirp->start;
910}
911
68dc0745 912/* free the memory allocated by opendir */
c5be433b 913DllExport int
ce2e26e5 914win32_closedir(DIR *dirp)
0a753a76 915{
acfe0abc 916 dTHX;
95136add 917 if (dirp->handle != INVALID_HANDLE_VALUE)
0f38926b 918 FindClose(dirp->handle);
0a753a76
PP		 919 Safefree(dirp->start);
920 Safefree(dirp);
68dc0745 921 return 1;
0a753a76
PP		 922}
923
924
68dc0745
PP		 925/*
926 * various stubs
927 */
0a753a76
PP		 928
929
68dc0745
PP		 930/* Ownership
931 *
932 * Just pretend that everyone is a superuser. NT will let us know if
933 * we don\'t really have permission to do something.
934 */
0a753a76
PP		 935
936#define ROOT_UID ((uid_t)0)
937#define ROOT_GID ((gid_t)0)
938
68dc0745
PP		 939uid_t
940getuid(void)
0a753a76 941{
68dc0745 942 return ROOT_UID;
0a753a76
PP		 943}
944
68dc0745
PP		 945uid_t
946geteuid(void)
0a753a76 947{
68dc0745 948 return ROOT_UID;
0a753a76
PP		 949}
950
68dc0745
PP		 951gid_t
952getgid(void)
0a753a76 953{
68dc0745 954 return ROOT_GID;
0a753a76
PP		 955}
956
68dc0745
PP		 957gid_t
958getegid(void)
0a753a76 959{
68dc0745 960 return ROOT_GID;
0a753a76
PP		 961}
962
68dc0745 963int
22239a37 964setuid(uid_t auid)
0a753a76 965{
22239a37 966 return (auid == ROOT_UID ? 0 : -1);
0a753a76
PP		 967}
968
68dc0745 969int
22239a37 970setgid(gid_t agid)
0a753a76 971{
22239a37 972 return (agid == ROOT_GID ? 0 : -1);
0a753a76
PP		 973}
974
e34ffe5a
GS		 975char *
976getlogin(void)
977{
acfe0abc 978 dTHX;
3352bfcb
GS		 979 char *buf = w32_getlogin_buffer;
980 DWORD size = sizeof(w32_getlogin_buffer);
e34ffe5a
GS		 981 if (GetUserName(buf,&size))
982 return buf;
983 return (char*)NULL;
984}
985
b990f8c8
GS		 986int
987chown(const char *path, uid_t owner, gid_t group)
988{
989 /* XXX noop */
1c1c7f20 990 return 0;
b990f8c8
GS		 991}
992
00b02797
JH		 993/*
994 * XXX this needs strengthening (for PerlIO)
995 * -- BKS, 11-11-200
996*/
997int mkstemp(const char *path)
998{
999 dTHX;
1000 char buf[MAX_PATH+1];
1001 int i = 0, fd = -1;
1002
1003retry:
1004 if (i++ > 10) { /* give up */
1005 errno = ENOENT;
1006 return -1;
1007 }
1008 if (!GetTempFileNameA((LPCSTR)path, "plr", 1, buf)) {
1009 errno = ENOENT;
1010 return -1;
1011 }
1012 fd = PerlLIO_open3(buf, O_CREAT|O_RDWR|O_EXCL, 0600);
1013 if (fd == -1)
1014 goto retry;
1015 return fd;
1016}
1017
0aaad0ff
GS		 1018static long
1019find_pid(int pid)
0a753a76 1020{
acfe0abc 1021 dTHX;
7766f137
GS		 1022 long child = w32_num_children;
1023 while (--child >= 0) {
0aaad0ff
GS		 1024 if (w32_child_pids[child] == pid)
1025 return child;
1026 }
1027 return -1;
1028}
1029
1030static void
1031remove_dead_process(long child)
1032{
1033 if (child >= 0) {
acfe0abc 1034 dTHX;
0aaad0ff 1035 CloseHandle(w32_child_handles[child]);
c00206c8 1036 Move(&w32_child_handles[child+1], &w32_child_handles[child],
0aaad0ff 1037 (w32_num_children-child-1), HANDLE);
c00206c8 1038 Move(&w32_child_pids[child+1], &w32_child_pids[child],
0aaad0ff
GS		 1039 (w32_num_children-child-1), DWORD);
1040 w32_num_children--;
f55ee38a 1041 }
f55ee38a
GS		 1042}
1043
7766f137
GS		 1044#ifdef USE_ITHREADS
1045static long
1046find_pseudo_pid(int pid)
1047{
acfe0abc 1048 dTHX;
7766f137
GS		 1049 long child = w32_num_pseudo_children;
1050 while (--child >= 0) {
1051 if (w32_pseudo_child_pids[child] == pid)
1052 return child;
1053 }
1054 return -1;
1055}
1056
1057static void
1058remove_dead_pseudo_process(long child)
1059{
1060 if (child >= 0) {
acfe0abc 1061 dTHX;
7766f137 1062 CloseHandle(w32_pseudo_child_handles[child]);
c00206c8 1063 Move(&w32_pseudo_child_handles[child+1], &w32_pseudo_child_handles[child],
7766f137 1064 (w32_num_pseudo_children-child-1), HANDLE);
c00206c8 1065 Move(&w32_pseudo_child_pids[child+1], &w32_pseudo_child_pids[child],
7766f137
GS		 1066 (w32_num_pseudo_children-child-1), DWORD);
1067 w32_num_pseudo_children--;
1068 }
1069}
1070#endif
1071
f55ee38a
GS		 1072DllExport int
1073win32_kill(int pid, int sig)
1074{
acfe0abc 1075 dTHX;
0aaad0ff 1076 HANDLE hProcess;
c66b022d 1077 long child;
7766f137
GS		 1078#ifdef USE_ITHREADS
1079 if (pid < 0) {
1080 /* it is a pseudo-forked child */
c66b022d 1081 child = find_pseudo_pid(-pid);
7766f137 1082 if (child >= 0) {
42b8b86c
GS		 1083 if (!sig)
1084 return 0;
7766f137
GS		 1085 hProcess = w32_pseudo_child_handles[child];
1086 if (TerminateThread(hProcess, sig)) {
1087 remove_dead_pseudo_process(child);
1088 return 0;
1089 }
1090 }
922b1888
GS		 1091 else if (IsWin95()) {
1092 pid = -pid;
1093 goto alien_process;
1094 }
68dc0745 1095 }
7766f137
GS		 1096 else
1097#endif
1098 {
c66b022d 1099 child = find_pid(pid);
7766f137 1100 if (child >= 0) {
42b8b86c
GS		 1101 if (!sig)
1102 return 0;
7766f137
GS		 1103 hProcess = w32_child_handles[child];
1104 if (TerminateProcess(hProcess, sig)) {
1105 remove_dead_process(child);
1106 return 0;
1107 }
1108 }
1109 else {
922b1888
GS		 1110alien_process:
1111 hProcess = OpenProcess(PROCESS_ALL_ACCESS, TRUE,
1112 (IsWin95() ? -pid : pid));
42b8b86c
GS		 1113 if (hProcess) {
1114 if (!sig)
1115 return 0;
1116 if (TerminateProcess(hProcess, sig)) {
1117 CloseHandle(hProcess);
1118 return 0;
1119 }
7766f137
GS		 1120 }
1121 }
1122 }
1123 errno = EINVAL;
1124 return -1;
0a753a76 1125}
fbbbcc48 1126
68dc0745
PP		 1127/*
1128 * File system stuff
1129 */
0a753a76 1130
f3986ebb
GS		 1131DllExport unsigned int
1132win32_sleep(unsigned int t)
0a753a76 1133{
68dc0745
PP		 1134 Sleep(t*1000);
1135 return 0;
0a753a76
PP		 1136}
1137
68dc0745 1138DllExport int
426c1a18 1139win32_stat(const char *path, struct stat *sbuf)
0a753a76 1140{
acfe0abc 1141 dTHX;
426c1a18 1142 char buffer[MAX_PATH+1];
68dc0745 1143 int l = strlen(path);
67fbe06e 1144 int res;
82867ecf 1145 WCHAR wbuffer[MAX_PATH+1];
e9ff6d27 1146 WCHAR* pwbuffer;
6b980173
JD		 1147 HANDLE handle;
1148 int nlink = 1;
0a753a76 1149
68dc0745
PP		 1150 if (l > 1) {
1151 switch(path[l - 1]) {
e1dbac94
GS		 1152 /* FindFirstFile() and stat() are buggy with a trailing
1153 * backslash, so change it to a forward slash :-( */
68dc0745 1154 case '\\':
426c1a18
GS		 1155 strncpy(buffer, path, l-1);
1156 buffer[l - 1] = '/';
1157 buffer[l] = '\0';
1158 path = buffer;
e1dbac94 1159 break;
23db2e2d 1160 /* FindFirstFile() is buggy with "x:", so add a dot :-( */
e1dbac94
GS		 1161 case ':':
1162 if (l == 2 && isALPHA(path[0])) {
426c1a18
GS		 1163 buffer[0] = path[0];
1164 buffer[1] = ':';
1165 buffer[2] = '.';
1166 buffer[3] = '\0';
e1dbac94 1167 l = 3;
426c1a18 1168 path = buffer;
e1dbac94
GS		 1169 }
1170 break;
68dc0745
PP		 1171 }
1172 }
6b980173
JD		 1173
1174 /* We *must* open & close the file once; otherwise file attribute changes */
1175 /* might not yet have propagated to "other" hard links of the same file. */
1176 /* This also gives us an opportunity to determine the number of links. */
7fac1903 1177 if (USING_WIDE()) {
0cb96387 1178 A2WHELPER(path, wbuffer, sizeof(wbuffer));
e9ff6d27
GS		 1179 pwbuffer = PerlDir_mapW(wbuffer);
1180 handle = CreateFileW(pwbuffer, 0, 0, NULL, OPEN_EXISTING, 0, NULL);
7fac1903
GS		 1181 }
1182 else {
e9ff6d27
GS		 1183 path = PerlDir_mapA(path);
1184 l = strlen(path);
1185 handle = CreateFileA(path, 0, 0, NULL, OPEN_EXISTING, 0, NULL);
6b980173
JD		 1186 }
1187 if (handle != INVALID_HANDLE_VALUE) {
1188 BY_HANDLE_FILE_INFORMATION bhi;
1189 if (GetFileInformationByHandle(handle, &bhi))
1190 nlink = bhi.nNumberOfLinks;
1191 CloseHandle(handle);
7fac1903 1192 }
6b980173 1193
e9ff6d27 1194 /* pwbuffer or path will be mapped correctly above */
7766f137 1195 if (USING_WIDE()) {
e9ff6d27 1196 res = _wstat(pwbuffer, (struct _stat *)sbuf);
7766f137
GS		 1197 }
1198 else {
e9ff6d27 1199 res = stat(path, sbuf);
7766f137 1200 }
426c1a18 1201 sbuf->st_nlink = nlink;
6b980173 1202
24caa93f
GS		 1203 if (res < 0) {
1204 /* CRT is buggy on sharenames, so make sure it really isn't.
1205 * XXX using GetFileAttributesEx() will enable us to set
426c1a18 1206 * sbuf->st_*time (but note that's not available on the
24caa93f 1207 * Windows of 1995) */
7fac1903
GS		 1208 DWORD r;
1209 if (USING_WIDE()) {
e9ff6d27 1210 r = GetFileAttributesW(pwbuffer);
7fac1903
GS		 1211 }
1212 else {
e9ff6d27 1213 r = GetFileAttributesA(path);
7fac1903 1214 }
24caa93f 1215 if (r != 0xffffffff && (r & FILE_ATTRIBUTE_DIRECTORY)) {
426c1a18
GS		 1216 /* sbuf may still contain old garbage since stat() failed */
1217 Zero(sbuf, 1, struct stat);
1218 sbuf->st_mode = S_IFDIR | S_IREAD;
24caa93f
GS		 1219 errno = 0;
1220 if (!(r & FILE_ATTRIBUTE_READONLY))
426c1a18 1221 sbuf->st_mode |= S_IWRITE | S_IEXEC;
24caa93f
GS		 1222 return 0;
1223 }
1224 }
24caa93f 1225 else {
e1dbac94
GS		 1226 if (l == 3 && isALPHA(path[0]) && path[1] == ':'
1227 && (path[2] == '\\' || path[2] == '/'))
2293b0e9
AB		 1228 {
1229 /* The drive can be inaccessible, some _stat()s are buggy */
7fac1903 1230 if (USING_WIDE()
e9ff6d27
GS		 1231 ? !GetVolumeInformationW(pwbuffer,NULL,0,NULL,NULL,NULL,NULL,0)
1232 : !GetVolumeInformationA(path,NULL,0,NULL,NULL,NULL,NULL,0)) {
2293b0e9
AB		 1233 errno = ENOENT;
1234 return -1;
1235 }
1236 }
1237#ifdef __BORLANDC__
426c1a18
GS		 1238 if (S_ISDIR(sbuf->st_mode))
1239 sbuf->st_mode |= S_IWRITE | S_IEXEC;
1240 else if (S_ISREG(sbuf->st_mode)) {
d0650a05 1241 int perms;
67fbe06e
GS		 1242 if (l >= 4 && path[l-4] == '.') {
1243 const char *e = path + l - 3;
1244 if (strnicmp(e,"exe",3)
1245 && strnicmp(e,"bat",3)
1246 && strnicmp(e,"com",3)
1247 && (IsWin95() || strnicmp(e,"cmd",3)))
426c1a18 1248 sbuf->st_mode &= ~S_IEXEC;
67fbe06e 1249 else
426c1a18 1250 sbuf->st_mode |= S_IEXEC;
67fbe06e
GS		 1251 }
1252 else
426c1a18 1253 sbuf->st_mode &= ~S_IEXEC;
d0650a05
GS		 1254 /* Propagate permissions to _group_ and _others_ */
1255 perms = sbuf->st_mode & (S_IREAD|S_IWRITE|S_IEXEC);
1256 sbuf->st_mode |= (perms>>3) | (perms>>6);
67fbe06e 1257 }
67fbe06e 1258#endif
2293b0e9 1259 }
67fbe06e 1260 return res;
0a753a76
PP		 1261}
1262
8ac9c18d
GS		 1263/* Find the longname of a given path. path is destructively modified.
1264 * It should have space for at least MAX_PATH characters. */
1265DllExport char *
1266win32_longpath(char *path)
1267{
1268 WIN32_FIND_DATA fdata;
1269 HANDLE fhand;
1270 char tmpbuf[MAX_PATH+1];
1271 char *tmpstart = tmpbuf;
1272 char *start = path;
1273 char sep;
1274 if (!path)
1275 return Nullch;
1276
1277 /* drive prefix */
1278 if (isALPHA(path[0]) && path[1] == ':' &&
1279 (path[2] == '/' || path[2] == '\\'))
1280 {
1281 start = path + 2;
1282 *tmpstart++ = path[0];
1283 *tmpstart++ = ':';
1284 }
1285 /* UNC prefix */
1286 else if ((path[0] == '/' || path[0] == '\\') &&
1287 (path[1] == '/' || path[1] == '\\'))
1288 {
1289 start = path + 2;
52fcf7ee
GS		 1290 *tmpstart++ = path[0];
1291 *tmpstart++ = path[1];
8ac9c18d
GS		 1292 /* copy machine name */
1293 while (*start && *start != '/' && *start != '\\')
1294 *tmpstart++ = *start++;
1295 if (*start) {
52fcf7ee 1296 *tmpstart++ = *start;
8ac9c18d
GS		 1297 start++;
1298 /* copy share name */
1299 while (*start && *start != '/' && *start != '\\')
1300 *tmpstart++ = *start++;
1301 }
1302 }
1303 sep = *start++;
1304 if (sep == '/' || sep == '\\')
52fcf7ee 1305 *tmpstart++ = sep;
8ac9c18d
GS		 1306 *tmpstart = '\0';
1307 while (sep) {
1308 /* walk up to slash */
1309 while (*start && *start != '/' && *start != '\\')
1310 ++start;
1311
1312 /* discard doubled slashes */
1313 while (*start && (start[1] == '/' || start[1] == '\\'))
1314 ++start;
1315 sep = *start;
1316
1317 /* stop and find full name of component */
1318 *start = '\0';
1319 fhand = FindFirstFile(path,&fdata);
1320 if (fhand != INVALID_HANDLE_VALUE) {
1321 strcpy(tmpstart, fdata.cFileName);
1322 tmpstart += strlen(fdata.cFileName);
1323 if (sep)
52fcf7ee 1324 *tmpstart++ = sep;
8ac9c18d
GS		 1325 *tmpstart = '\0';
1326 *start++ = sep;
1327 FindClose(fhand);
1328 }
1329 else {
1330 /* failed a step, just return without side effects */
bf49b057 1331 /*PerlIO_printf(Perl_debug_log, "Failed to find %s\n", path);*/
8ac9c18d
GS		 1332 *start = sep;
1333 return Nullch;
1334 }
1335 }
1336 strcpy(path,tmpbuf);
1337 return path;
1338}
1339
0551aaa8
GS		 1340DllExport char *
1341win32_getenv(const char *name)
1342{
acfe0abc 1343 dTHX;
82867ecf 1344 WCHAR wBuffer[MAX_PATH+1];
0551aaa8 1345 DWORD needlen;
51371543 1346 SV *curitem = Nullsv;
58a50f62 1347
7fac1903 1348 if (USING_WIDE()) {
0cb96387 1349 A2WHELPER(name, wBuffer, sizeof(wBuffer));
51371543 1350 needlen = GetEnvironmentVariableW(wBuffer, NULL, 0);
7fac1903
GS		 1351 }
1352 else
51371543 1353 needlen = GetEnvironmentVariableA(name,NULL,0);
58a50f62 1354 if (needlen != 0) {
51371543 1355 curitem = sv_2mortal(newSVpvn("", 0));
7fac1903 1356 if (USING_WIDE()) {
51371543
GS		 1357 SV *acuritem;
1358 do {
1359 SvGROW(curitem, (needlen+1)*sizeof(WCHAR));
1360 needlen = GetEnvironmentVariableW(wBuffer,
1361 (WCHAR*)SvPVX(curitem),
1362 needlen);
1363 } while (needlen >= SvLEN(curitem)/sizeof(WCHAR));
c5be433b 1364 SvCUR_set(curitem, (needlen*sizeof(WCHAR))+1);
51371543
GS		 1365 acuritem = sv_2mortal(newSVsv(curitem));
1366 W2AHELPER((WCHAR*)SvPVX(acuritem), SvPVX(curitem), SvCUR(curitem));
7fac1903
GS		 1367 }
1368 else {
51371543
GS		 1369 do {
1370 SvGROW(curitem, needlen+1);
1371 needlen = GetEnvironmentVariableA(name,SvPVX(curitem),
1372 needlen);
1373 } while (needlen >= SvLEN(curitem));
1374 SvCUR_set(curitem, needlen);
58a50f62 1375 }
0551aaa8 1376 }
c934e9d4 1377 else {
7a5f8e82 1378 /* allow any environment variables that begin with 'PERL'
c934e9d4 1379 to be stored in the registry */
51371543 1380 if (strncmp(name, "PERL", 4) == 0)
c5be433b 1381 (void)get_regstr(name, &curitem);
c69f6586 1382 }
51371543
GS		 1383 if (curitem && SvCUR(curitem))
1384 return SvPVX(curitem);
58a50f62 1385
51371543 1386 return Nullch;
0551aaa8
GS		 1387}
1388
ac5c734f
GS		 1389DllExport int
1390win32_putenv(const char *name)
1391{
acfe0abc 1392 dTHX;
ac5c734f
GS		 1393 char* curitem;
1394 char* val;
7fac1903
GS		 1395 WCHAR* wCuritem;
1396 WCHAR* wVal;
1397 int length, relval = -1;
51371543 1398
73c4f7a1 1399 if (name) {
7fac1903
GS		 1400 if (USING_WIDE()) {
1401 length = strlen(name)+1;
1402 New(1309,wCuritem,length,WCHAR);
c5be433b 1403 A2WHELPER(name, wCuritem, length*sizeof(WCHAR));
7fac1903 1404 wVal = wcschr(wCuritem, '=');
7766f137 1405 if (wVal) {
7fac1903 1406 *wVal++ = '\0';
7766f137 1407 if (SetEnvironmentVariableW(wCuritem, *wVal ? wVal : NULL))
7fac1903
GS		 1408 relval = 0;
1409 }
1410 Safefree(wCuritem);
1411 }
1412 else {
1413 New(1309,curitem,strlen(name)+1,char);
1414 strcpy(curitem, name);
1415 val = strchr(curitem, '=');
7766f137 1416 if (val) {
7fac1903
GS		 1417 /* The sane way to deal with the environment.
1418 * Has these advantages over putenv() & co.:
1419 * * enables us to store a truly empty value in the
1420 * environment (like in UNIX).
1421 * * we don't have to deal with RTL globals, bugs and leaks.
1422 * * Much faster.
1423 * Why you may want to enable USE_WIN32_RTL_ENV:
1424 * * environ[] and RTL functions will not reflect changes,
1425 * which might be an issue if extensions want to access
1426 * the env. via RTL. This cuts both ways, since RTL will
1427 * not see changes made by extensions that call the Win32
1428 * functions directly, either.
1429 * GSAR 97-06-07
1430 */
1431 *val++ = '\0';
7766f137 1432 if (SetEnvironmentVariableA(curitem, *val ? val : NULL))
7fac1903
GS		 1433 relval = 0;
1434 }
1435 Safefree(curitem);
ac5c734f 1436 }
ac5c734f
GS		 1437 }
1438 return relval;
1439}
1440
d55594ae 1441static long
2d7a9237 1442filetime_to_clock(PFILETIME ft)
d55594ae 1443{
7766f137
GS		 1444 __int64 qw = ft->dwHighDateTime;
1445 qw <<= 32;
1446 qw |= ft->dwLowDateTime;
1447 qw /= 10000; /* File time ticks at 0.1uS, clock at 1mS */
1448 return (long) qw;
d55594ae
GS		 1449}
1450
f3986ebb
GS		 1451DllExport int
1452win32_times(struct tms *timebuf)
0a753a76 1453{
d55594ae
GS		 1454 FILETIME user;
1455 FILETIME kernel;
1456 FILETIME dummy;
1457 if (GetProcessTimes(GetCurrentProcess(), &dummy, &dummy,
1458 &kernel,&user)) {
2d7a9237
GS		 1459 timebuf->tms_utime = filetime_to_clock(&user);
1460 timebuf->tms_stime = filetime_to_clock(&kernel);
d55594ae
GS		 1461 timebuf->tms_cutime = 0;
1462 timebuf->tms_cstime = 0;
1463
1464 } else {
1465 /* That failed - e.g. Win95 fallback to clock() */
1466 clock_t t = clock();
1467 timebuf->tms_utime = t;
1468 timebuf->tms_stime = 0;
1469 timebuf->tms_cutime = 0;
1470 timebuf->tms_cstime = 0;
1471 }
68dc0745 1472 return 0;
0a753a76
PP		 1473}
1474
9c51cf4c 1475/* fix utime() so it works on directories in NT */
ad0751ec
GS		 1476static BOOL
1477filetime_from_time(PFILETIME pFileTime, time_t Time)
1478{
9c51cf4c 1479 struct tm *pTM = localtime(&Time);
ad0751ec 1480 SYSTEMTIME SystemTime;
9c51cf4c 1481 FILETIME LocalTime;
ad0751ec
GS		 1482
1483 if (pTM == NULL)
1484 return FALSE;
1485
1486 SystemTime.wYear = pTM->tm_year + 1900;
1487 SystemTime.wMonth = pTM->tm_mon + 1;
1488 SystemTime.wDay = pTM->tm_mday;
1489 SystemTime.wHour = pTM->tm_hour;
1490 SystemTime.wMinute = pTM->tm_min;
1491 SystemTime.wSecond = pTM->tm_sec;
1492 SystemTime.wMilliseconds = 0;
1493
9c51cf4c
GS		 1494 return SystemTimeToFileTime(&SystemTime, &LocalTime) &&
1495 LocalFileTimeToFileTime(&LocalTime, pFileTime);
ad0751ec
GS		 1496}
1497
1498DllExport int
7766f137
GS		 1499win32_unlink(const char *filename)
1500{
acfe0abc 1501 dTHX;
7766f137
GS		 1502 int ret;
1503 DWORD attrs;
1504
1505 if (USING_WIDE()) {
82867ecf 1506 WCHAR wBuffer[MAX_PATH+1];
e9ff6d27 1507 WCHAR* pwBuffer;
7766f137
GS		 1508
1509 A2WHELPER(filename, wBuffer, sizeof(wBuffer));
e9ff6d27
GS		 1510 pwBuffer = PerlDir_mapW(wBuffer);
1511 attrs = GetFileAttributesW(pwBuffer);
c00206c8
GS		 1512 if (attrs == 0xFFFFFFFF)
1513 goto fail;
7766f137 1514 if (attrs & FILE_ATTRIBUTE_READONLY) {
e9ff6d27
GS		 1515 (void)SetFileAttributesW(pwBuffer, attrs & ~FILE_ATTRIBUTE_READONLY);
1516 ret = _wunlink(pwBuffer);
7766f137 1517 if (ret == -1)
e9ff6d27 1518 (void)SetFileAttributesW(pwBuffer, attrs);
7766f137
GS		 1519 }
1520 else
e9ff6d27 1521 ret = _wunlink(pwBuffer);
7766f137
GS		 1522 }
1523 else {
e9ff6d27
GS		 1524 filename = PerlDir_mapA(filename);
1525 attrs = GetFileAttributesA(filename);
c00206c8
GS		 1526 if (attrs == 0xFFFFFFFF)
1527 goto fail;
7766f137 1528 if (attrs & FILE_ATTRIBUTE_READONLY) {
e9ff6d27
GS		 1529 (void)SetFileAttributesA(filename, attrs & ~FILE_ATTRIBUTE_READONLY);
1530 ret = unlink(filename);
7766f137 1531 if (ret == -1)
e9ff6d27 1532 (void)SetFileAttributesA(filename, attrs);
7766f137
GS		 1533 }
1534 else
e9ff6d27 1535 ret = unlink(filename);
7766f137
GS		 1536 }
1537 return ret;
c00206c8
GS		 1538fail:
1539 errno = ENOENT;
1540 return -1;
7766f137
GS		 1541}
1542
1543DllExport int
3b405fc5 1544win32_utime(const char *filename, struct utimbuf *times)
ad0751ec 1545{
acfe0abc 1546 dTHX;
ad0751ec
GS		 1547 HANDLE handle;
1548 FILETIME ftCreate;
1549 FILETIME ftAccess;
1550 FILETIME ftWrite;
1551 struct utimbuf TimeBuffer;
82867ecf 1552 WCHAR wbuffer[MAX_PATH+1];
e9ff6d27 1553 WCHAR* pwbuffer;
ad0751ec 1554
7fac1903
GS		 1555 int rc;
1556 if (USING_WIDE()) {
0cb96387 1557 A2WHELPER(filename, wbuffer, sizeof(wbuffer));
e9ff6d27
GS		 1558 pwbuffer = PerlDir_mapW(wbuffer);
1559 rc = _wutime(pwbuffer, (struct _utimbuf*)times);
7fac1903
GS		 1560 }
1561 else {
e9ff6d27
GS		 1562 filename = PerlDir_mapA(filename);
1563 rc = utime(filename, times);
7fac1903 1564 }
ad0751ec
GS		 1565 /* EACCES: path specifies directory or readonly file */
1566 if (rc == 0 || errno != EACCES /* || !IsWinNT() */)
1567 return rc;
1568
1569 if (times == NULL) {
1570 times = &TimeBuffer;
1571 time(&times->actime);
1572 times->modtime = times->actime;
1573 }
1574
1575 /* This will (and should) still fail on readonly files */
7fac1903 1576 if (USING_WIDE()) {
e9ff6d27 1577 handle = CreateFileW(pwbuffer, GENERIC_READ | GENERIC_WRITE,
7fac1903
GS		 1578 FILE_SHARE_READ | FILE_SHARE_DELETE, NULL,
1579 OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL);
1580 }
1581 else {
e9ff6d27 1582 handle = CreateFileA(filename, GENERIC_READ | GENERIC_WRITE,
7fac1903
GS		 1583 FILE_SHARE_READ | FILE_SHARE_DELETE, NULL,
1584 OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL);
1585 }
ad0751ec
GS		 1586 if (handle == INVALID_HANDLE_VALUE)
1587 return rc;
1588
1589 if (GetFileTime(handle, &ftCreate, &ftAccess, &ftWrite) &&
1590 filetime_from_time(&ftAccess, times->actime) &&
1591 filetime_from_time(&ftWrite, times->modtime) &&
1592 SetFileTime(handle, &ftCreate, &ftAccess, &ftWrite))
1593 {
1594 rc = 0;
1595 }
1596
1597 CloseHandle(handle);
1598 return rc;
1599}
1600
2d7a9237 1601DllExport int
b2af26b1
GS		 1602win32_uname(struct utsname *name)
1603{
1604 struct hostent *hep;
1605 STRLEN nodemax = sizeof(name->nodename)-1;
1606 OSVERSIONINFO osver;
1607
1608 memset(&osver, 0, sizeof(OSVERSIONINFO));
1609 osver.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
1610 if (GetVersionEx(&osver)) {
1611 /* sysname */
1612 switch (osver.dwPlatformId) {
1613 case VER_PLATFORM_WIN32_WINDOWS:
1614 strcpy(name->sysname, "Windows");
1615 break;
1616 case VER_PLATFORM_WIN32_NT:
1617 strcpy(name->sysname, "Windows NT");
1618 break;
1619 case VER_PLATFORM_WIN32s:
1620 strcpy(name->sysname, "Win32s");
1621 break;
1622 default:
1623 strcpy(name->sysname, "Win32 Unknown");
1624 break;
1625 }
1626
cf6cacac
GS		 1627 /* release */
1628 sprintf(name->release, "%d.%d",
b2af26b1
GS		 1629 osver.dwMajorVersion, osver.dwMinorVersion);
1630
cf6cacac
GS		 1631 /* version */
1632 sprintf(name->version, "Build %d",
b2af26b1
GS		 1633 osver.dwPlatformId == VER_PLATFORM_WIN32_NT
1634 ? osver.dwBuildNumber : (osver.dwBuildNumber & 0xffff));
1635 if (osver.szCSDVersion[0]) {
cf6cacac 1636 char *buf = name->version + strlen(name->version);
b2af26b1
GS		 1637 sprintf(buf, " (%s)", osver.szCSDVersion);
1638 }
1639 }
1640 else {
1641 *name->sysname = '\0';
1642 *name->version = '\0';
1643 *name->release = '\0';
1644 }
1645
1646 /* nodename */
1647 hep = win32_gethostbyname("localhost");
1648 if (hep) {
1649 STRLEN len = strlen(hep->h_name);
1650 if (len <= nodemax) {
1651 strcpy(name->nodename, hep->h_name);
1652 }
1653 else {
1654 strncpy(name->nodename, hep->h_name, nodemax);
1655 name->nodename[nodemax] = '\0';
1656 }
1657 }
1658 else {
1659 DWORD sz = nodemax;
1660 if (!GetComputerName(name->nodename, &sz))
1661 *name->nodename = '\0';
1662 }
1663
1664 /* machine (architecture) */
1665 {
1666 SYSTEM_INFO info;
1667 char *arch;
1668 GetSystemInfo(&info);
a6c40364 1669
6f24f39d
JK		 1670#if (defined(__BORLANDC__)&&(__BORLANDC__<=0x520)) \
1671 || (defined(__MINGW32__) && !defined(_ANONYMOUS_UNION))
a6c40364
GS		 1672 switch (info.u.s.wProcessorArchitecture) {
1673#else
b2af26b1 1674 switch (info.wProcessorArchitecture) {
a6c40364 1675#endif
b2af26b1
GS		 1676 case PROCESSOR_ARCHITECTURE_INTEL:
1677 arch = "x86"; break;
1678 case PROCESSOR_ARCHITECTURE_MIPS:
1679 arch = "mips"; break;
1680 case PROCESSOR_ARCHITECTURE_ALPHA:
1681 arch = "alpha"; break;
1682 case PROCESSOR_ARCHITECTURE_PPC:
1683 arch = "ppc"; break;
1684 default:
1685 arch = "unknown"; break;
1686 }
1687 strcpy(name->machine, arch);
1688 }
1689 return 0;
1690}
1691
932b7487
RC		 1692int
1693win32_internal_wait(int *status, DWORD timeout)
1694{
1695 /* XXX this wait emulation only knows about processes
1696 * spawned via win32_spawnvp(P_NOWAIT, ...).
1697 */
1698 dTHX;
1699 int i, retval;
1700 DWORD exitcode, waitcode;
1701
1702#ifdef USE_ITHREADS
1703 if (w32_num_pseudo_children) {
1704 waitcode = WaitForMultipleObjects(w32_num_pseudo_children,
1705 w32_pseudo_child_handles,
1706 FALSE,
1707 timeout);
1708 /* Time out here if there are no other children to wait for. */
1709 if (waitcode == WAIT_TIMEOUT) {
1710 if (!w32_num_children) {
1711 return 0;
1712 }
1713 }
1714 else if (waitcode != WAIT_FAILED) {
1715 if (waitcode >= WAIT_ABANDONED_0
1716 && waitcode < WAIT_ABANDONED_0 + w32_num_pseudo_children)
1717 i = waitcode - WAIT_ABANDONED_0;
1718 else
1719 i = waitcode - WAIT_OBJECT_0;
1720 if (GetExitCodeThread(w32_pseudo_child_handles[i], &exitcode)) {
1721 *status = (int)((exitcode & 0xff) << 8);
1722 retval = (int)w32_pseudo_child_pids[i];
1723 remove_dead_pseudo_process(i);
1724 return -retval;
1725 }
1726 }
1727 }
1728#endif
1729
1730 if (!w32_num_children) {
1731 errno = ECHILD;
1732 return -1;
1733 }
1734
1735 /* if a child exists, wait for it to die */
1736 waitcode = WaitForMultipleObjects(w32_num_children,
1737 w32_child_handles,
1738 FALSE,
1739 timeout);
1740 if (waitcode == WAIT_TIMEOUT) {
1741 return 0;
1742 }
1743 if (waitcode != WAIT_FAILED) {
1744 if (waitcode >= WAIT_ABANDONED_0
1745 && waitcode < WAIT_ABANDONED_0 + w32_num_children)
1746 i = waitcode - WAIT_ABANDONED_0;
1747 else
1748 i = waitcode - WAIT_OBJECT_0;
1749 if (GetExitCodeProcess(w32_child_handles[i], &exitcode) ) {
1750 *status = (int)((exitcode & 0xff) << 8);
1751 retval = (int)w32_child_pids[i];
1752 remove_dead_process(i);
1753 return retval;
1754 }
1755 }
1756
1757FAILED:
1758 errno = GetLastError();
1759 return -1;
1760}
1761
b2af26b1 1762DllExport int
f55ee38a
GS		 1763win32_waitpid(int pid, int *status, int flags)
1764{
acfe0abc 1765 dTHX;
922b1888 1766 DWORD timeout = (flags & WNOHANG) ? 0 : INFINITE;
0aaad0ff 1767 int retval = -1;
c66b022d 1768 long child;
7766f137 1769 if (pid == -1) /* XXX threadid == 1 ? */
932b7487 1770 return win32_internal_wait(status, timeout);
7766f137
GS		 1771#ifdef USE_ITHREADS
1772 else if (pid < 0) {
c66b022d 1773 child = find_pseudo_pid(-pid);
7766f137
GS		 1774 if (child >= 0) {
1775 HANDLE hThread = w32_pseudo_child_handles[child];
2f67576d
BC		 1776 DWORD waitcode = WaitForSingleObject(hThread, timeout);
1777 if (waitcode == WAIT_TIMEOUT) {
1778 return 0;
1779 }
1780 else if (waitcode != WAIT_FAILED) {
7766f137
GS		 1781 if (GetExitCodeThread(hThread, &waitcode)) {
1782 *status = (int)((waitcode & 0xff) << 8);
1783 retval = (int)w32_pseudo_child_pids[child];
1784 remove_dead_pseudo_process(child);
68a29c53 1785 return -retval;
7766f137
GS		 1786 }
1787 }
1788 else
1789 errno = ECHILD;
1790 }
922b1888
GS		 1791 else if (IsWin95()) {
1792 pid = -pid;
1793 goto alien_process;
1794 }
7766f137
GS		 1795 }
1796#endif
f55ee38a 1797 else {
922b1888
GS		 1798 HANDLE hProcess;
1799 DWORD waitcode;
c66b022d 1800 child = find_pid(pid);
0aaad0ff 1801 if (child >= 0) {
922b1888
GS		 1802 hProcess = w32_child_handles[child];
1803 waitcode = WaitForSingleObject(hProcess, timeout);
a7867d0a
GS		 1804 if (waitcode == WAIT_TIMEOUT) {
1805 return 0;
1806 }
1807 else if (waitcode != WAIT_FAILED) {
922b1888
GS		 1808 if (GetExitCodeProcess(hProcess, &waitcode)) {
1809 *status = (int)((waitcode & 0xff) << 8);
1810 retval = (int)w32_child_pids[child];
1811 remove_dead_process(child);
1812 return retval;
1813 }
a7867d0a 1814 }
0aaad0ff
GS		 1815 else
1816 errno = ECHILD;
1817 }
1818 else {
922b1888
GS		 1819alien_process:
1820 hProcess = OpenProcess(PROCESS_ALL_ACCESS, TRUE,
1821 (IsWin95() ? -pid : pid));
1822 if (hProcess) {
1823 waitcode = WaitForSingleObject(hProcess, timeout);
1824 if (waitcode == WAIT_TIMEOUT) {
1825 return 0;
1826 }
1827 else if (waitcode != WAIT_FAILED) {
1828 if (GetExitCodeProcess(hProcess, &waitcode)) {
1829 *status = (int)((waitcode & 0xff) << 8);
1830 CloseHandle(hProcess);
1831 return pid;
1832 }
1833 }
1834 CloseHandle(hProcess);
1835 }
1836 else
1837 errno = ECHILD;
0aaad0ff 1838 }
f55ee38a 1839 }
0aaad0ff 1840 return retval >= 0 ? pid : retval;
f55ee38a
GS		 1841}
1842
1843DllExport int
2d7a9237
GS		 1844win32_wait(int *status)
1845{
932b7487 1846 return win32_internal_wait(status, INFINITE);
2d7a9237 1847}
d55594ae 1848
df3728a2
JH		 1849#ifndef PERL_IMPLICIT_CONTEXT
1850
2d7a9237 1851static UINT timerid = 0;
d55594ae
GS		 1852
1853static VOID CALLBACK TimerProc(HWND win, UINT msg, UINT id, DWORD time)
1854{
acfe0abc 1855 dTHX;
0cb96387
GS		 1856 KillTimer(NULL,timerid);
1857 timerid=0;
b319cd58 1858 CALL_FPTR(PL_sighandlerp)(14);
d55594ae
GS		 1859}
1860
df3728a2
JH		 1861#endif /* !PERL_IMPLICIT_CONTEXT */
1862
f3986ebb
GS		 1863DllExport unsigned int
1864win32_alarm(unsigned int sec)
0a753a76 1865{
df3728a2 1866#ifndef PERL_IMPLICIT_CONTEXT
d55594ae
GS		 1867 /*
1868 * the 'obvious' implentation is SetTimer() with a callback
1869 * which does whatever receiving SIGALRM would do
1870 * we cannot use SIGALRM even via raise() as it is not
1871 * one of the supported codes in <signal.h>
1872 *
1873 * Snag is unless something is looking at the message queue
1874 * nothing happens :-(
1875 */
acfe0abc 1876 dTHX;
d55594ae
GS		 1877 if (sec)
1878 {
1879 timerid = SetTimer(NULL,timerid,sec*1000,(TIMERPROC)TimerProc);
1880 if (!timerid)
4f63d024 1881 Perl_croak_nocontext("Cannot set timer");
d55594ae
GS		 1882 }
1883 else
1884 {
1885 if (timerid)
1886 {
1887 KillTimer(NULL,timerid);
1888 timerid=0;
1889 }
1890 }
df3728a2 1891#endif /* !PERL_IMPLICIT_CONTEXT */
afe91769 1892 return 0;
0a753a76
PP		 1893}
1894
26618a56 1895#ifdef HAVE_DES_FCRYPT
2d77217b 1896extern char * des_fcrypt(const char *txt, const char *salt, char *cbuf);
ff95b63e 1897#endif
26618a56
GS		 1898
1899DllExport char *
1900win32_crypt(const char *txt, const char *salt)
1901{
acfe0abc 1902 dTHX;
ff95b63e 1903#ifdef HAVE_DES_FCRYPT
3352bfcb 1904 return des_fcrypt(txt, salt, w32_crypt_buffer);
ff95b63e 1905#else
25dbdbbc 1906 Perl_croak(aTHX_ "The crypt() function is unimplemented due to excessive paranoia.");
b8957cf1 1907 return Nullch;
ff95b63e 1908#endif
26618a56 1909}
26618a56 1910
9e5f57de 1911#ifdef USE_FIXED_OSFHANDLE
390b85e7
GS		 1912
1913#define FOPEN 0x01 /* file handle open */
b181b6fb 1914#define FNOINHERIT 0x10 /* file handle opened O_NOINHERIT */
390b85e7
GS		 1915#define FAPPEND 0x20 /* file handle opened O_APPEND */
1916#define FDEV 0x40 /* file handle refers to device */
1917#define FTEXT 0x80 /* file handle is in text mode */
1918
390b85e7
GS		 1919/***
1920*int my_open_osfhandle(long osfhandle, int flags) - open C Runtime file handle
1921*
1922*Purpose:
1923* This function allocates a free C Runtime file handle and associates
1924* it with the Win32 HANDLE specified by the first parameter. This is a
9e5f57de
GS		 1925* temperary fix for WIN95's brain damage GetFileType() error on socket
1926* we just bypass that call for socket
1927*
1928* This works with MSVC++ 4.0+ or GCC/Mingw32
390b85e7
GS		 1929*
1930*Entry:
1931* long osfhandle - Win32 HANDLE to associate with C Runtime file handle.
1932* int flags - flags to associate with C Runtime file handle.
1933*
1934*Exit:
1935* returns index of entry in fh, if successful
1936* return -1, if no free entry is found
1937*
1938*Exceptions:
1939*
1940*******************************************************************************/
1941
9e5f57de
GS		 1942/*
1943 * we fake up some parts of the CRT that aren't exported by MSVCRT.dll
1944 * this lets sockets work on Win9X with GCC and should fix the problems
1945 * with perl95.exe
1946 * -- BKS, 1-23-2000
1947*/
1948
9e5f57de
GS		 1949/* create an ioinfo entry, kill its handle, and steal the entry */
1950
b181b6fb
GS		 1951static int
1952_alloc_osfhnd(void)
9e5f57de
GS		 1953{
1954 HANDLE hF = CreateFile("NUL", 0, 0, NULL, OPEN_ALWAYS, 0, NULL);
dd8f4818 1955 int fh = _open_osfhandle((long)hF, 0);
9e5f57de
GS		 1956 CloseHandle(hF);
1957 if (fh == -1)
1958 return fh;
1959 EnterCriticalSection(&(_pioinfo(fh)->lock));
1960 return fh;
1961}
1962
390b85e7
GS		 1963static int
1964my_open_osfhandle(long osfhandle, int flags)
1965{
1966 int fh;
1967 char fileflags; /* _osfile flags */
1968
1969 /* copy relevant flags from second parameter */
1970 fileflags = FDEV;
1971
9404a519 1972 if (flags & O_APPEND)
390b85e7
GS		 1973 fileflags |= FAPPEND;
1974
9404a519 1975 if (flags & O_TEXT)
390b85e7
GS		 1976 fileflags |= FTEXT;
1977
b181b6fb
GS		 1978 if (flags & O_NOINHERIT)
1979 fileflags |= FNOINHERIT;
1980
390b85e7 1981 /* attempt to allocate a C Runtime file handle */
9404a519 1982 if ((fh = _alloc_osfhnd()) == -1) {
390b85e7
GS		 1983 errno = EMFILE; /* too many open files */
1984 _doserrno = 0L; /* not an OS error */
1985 return -1; /* return error to caller */
1986 }
1987
1988 /* the file is open. now, set the info in _osfhnd array */
1989 _set_osfhnd(fh, osfhandle);
1990
1991 fileflags |= FOPEN; /* mark as open */
1992
390b85e7 1993 _osfile(fh) = fileflags; /* set osfile entry */
dd8f4818 1994 LeaveCriticalSection(&_pioinfo(fh)->lock);
390b85e7
GS		 1995
1996 return fh; /* return handle */
1997}
1998
f3986ebb 1999#endif /* USE_FIXED_OSFHANDLE */
390b85e7
GS		 2000
2001/* simulate flock by locking a range on the file */
2002
2003#define LK_ERR(f,i) ((f) ? (i = 0) : (errno = GetLastError()))
2004#define LK_LEN 0xffff0000
2005
f3986ebb
GS		 2006DllExport int
2007win32_flock(int fd, int oper)
390b85e7
GS		 2008{
2009 OVERLAPPED o;
2010 int i = -1;
2011 HANDLE fh;
2012
f3986ebb 2013 if (!IsWinNT()) {
acfe0abc 2014 dTHX;
4f63d024 2015 Perl_croak_nocontext("flock() unimplemented on this platform");
f3986ebb
GS		 2016 return -1;
2017 }
390b85e7
GS		 2018 fh = (HANDLE)_get_osfhandle(fd);
2019 memset(&o, 0, sizeof(o));
2020
2021 switch(oper) {
2022 case LOCK_SH: /* shared lock */
2023 LK_ERR(LockFileEx(fh, 0, 0, LK_LEN, 0, &o),i);
2024 break;
2025 case LOCK_EX: /* exclusive lock */
2026 LK_ERR(LockFileEx(fh, LOCKFILE_EXCLUSIVE_LOCK, 0, LK_LEN, 0, &o),i);
2027 break;
2028 case LOCK_SH|LOCK_NB: /* non-blocking shared lock */
2029 LK_ERR(LockFileEx(fh, LOCKFILE_FAIL_IMMEDIATELY, 0, LK_LEN, 0, &o),i);
2030 break;
2031 case LOCK_EX|LOCK_NB: /* non-blocking exclusive lock */
2032 LK_ERR(LockFileEx(fh,
2033 LOCKFILE_EXCLUSIVE_LOCK|LOCKFILE_FAIL_IMMEDIATELY,
2034 0, LK_LEN, 0, &o),i);
2035 break;
2036 case LOCK_UN: /* unlock lock */
2037 LK_ERR(UnlockFileEx(fh, 0, LK_LEN, 0, &o),i);
2038 break;
2039 default: /* unknown */
2040 errno = EINVAL;
2041 break;
2042 }
2043 return i;
2044}
2045
2046#undef LK_ERR
2047#undef LK_LEN
2048
68dc0745
PP		 2049/*
2050 * redirected io subsystem for all XS modules
2051 *
2052 */
0a753a76 2053
68dc0745
PP		 2054DllExport int *
2055win32_errno(void)
0a753a76 2056{
390b85e7 2057 return (&errno);
0a753a76
PP		 2058}
2059
dcb2879a
GS		 2060DllExport char ***
2061win32_environ(void)
2062{
390b85e7 2063 return (&(_environ));
dcb2879a
GS		 2064}
2065
68dc0745
PP		 2066/* the rest are the remapped stdio routines */
2067DllExport FILE *
2068win32_stderr(void)
0a753a76 2069{
390b85e7 2070 return (stderr);
0a753a76
PP		 2071}
2072
68dc0745
PP		 2073DllExport FILE *
2074win32_stdin(void)
0a753a76 2075{
390b85e7 2076 return (stdin);
0a753a76
PP		 2077}
2078
68dc0745
PP		 2079DllExport FILE *
2080win32_stdout()
0a753a76 2081{
390b85e7 2082 return (stdout);
0a753a76
PP		 2083}
2084
68dc0745
PP		 2085DllExport int
2086win32_ferror(FILE *fp)
0a753a76 2087{
390b85e7 2088 return (ferror(fp));
0a753a76
PP		 2089}
2090
2091
68dc0745
PP		 2092DllExport int
2093win32_feof(FILE *fp)
0a753a76 2094{
390b85e7 2095 return (feof(fp));
0a753a76
PP		 2096}
2097
68dc0745
PP		 2098/*
2099 * Since the errors returned by the socket error function
2100 * WSAGetLastError() are not known by the library routine strerror
2101 * we have to roll our own.
2102 */
0a753a76 2103
68dc0745
PP		 2104DllExport char *
2105win32_strerror(int e)
0a753a76 2106{
6f24f39d 2107#if !defined __BORLANDC__ && !defined __MINGW32__ /* compiler intolerance */
68dc0745 2108 extern int sys_nerr;
3e3baf6d 2109#endif
68dc0745 2110 DWORD source = 0;
0a753a76 2111
9404a519 2112 if (e < 0 || e > sys_nerr) {
acfe0abc 2113 dTHX;
9404a519 2114 if (e < 0)
68dc0745 2115 e = GetLastError();
0a753a76 2116
9404a519 2117 if (FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, &source, e, 0,
3352bfcb
GS		 2118 w32_strerror_buffer,
2119 sizeof(w32_strerror_buffer), NULL) == 0)
2120 strcpy(w32_strerror_buffer, "Unknown Error");
0a753a76 2121
3352bfcb 2122 return w32_strerror_buffer;
68dc0745 2123 }
390b85e7 2124 return strerror(e);
0a753a76
PP		 2125}
2126
22fae026 2127DllExport void
c5be433b 2128win32_str_os_error(void *sv, DWORD dwErr)
22fae026
TM		 2129{
2130 DWORD dwLen;
2131 char *sMsg;
2132 dwLen = FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER
2133 |FORMAT_MESSAGE_IGNORE_INSERTS
2134 |FORMAT_MESSAGE_FROM_SYSTEM, NULL,
2135 dwErr, 0, (char *)&sMsg, 1, NULL);
2ce77adf 2136 /* strip trailing whitespace and period */
22fae026 2137 if (0 < dwLen) {
2ce77adf
GS		 2138 do {
2139 --dwLen; /* dwLen doesn't include trailing null */
2140 } while (0 < dwLen && isSPACE(sMsg[dwLen]));
22fae026
TM		 2141 if ('.' != sMsg[dwLen])
2142 dwLen++;
2ce77adf 2143 sMsg[dwLen] = '\0';
22fae026
TM		 2144 }
2145 if (0 == dwLen) {
c69f6586 2146 sMsg = (char*)LocalAlloc(0, 64/**sizeof(TCHAR)*/);
db7c17d7
GS		 2147 if (sMsg)
2148 dwLen = sprintf(sMsg,
2149 "Unknown error #0x%lX (lookup 0x%lX)",
2150 dwErr, GetLastError());
2151 }
2152 if (sMsg) {
acfe0abc 2153 dTHX;
db7c17d7
GS		 2154 sv_setpvn((SV*)sv, sMsg, dwLen);
2155 LocalFree(sMsg);
22fae026 2156 }
22fae026
TM		 2157}
2158
68dc0745
PP		 2159DllExport int
2160win32_fprintf(FILE *fp, const char *format, ...)
0a753a76 2161{
68dc0745
PP		 2162 va_list marker;
2163 va_start(marker, format); /* Initialize variable arguments. */
0a753a76 2164
390b85e7 2165 return (vfprintf(fp, format, marker));
0a753a76
PP		 2166}
2167
68dc0745
PP		 2168DllExport int
2169win32_printf(const char *format, ...)
0a753a76 2170{
68dc0745
PP		 2171 va_list marker;
2172 va_start(marker, format); /* Initialize variable arguments. */
0a753a76 2173
390b85e7 2174 return (vprintf(format, marker));
0a753a76
PP		 2175}
2176
68dc0745
PP		 2177DllExport int
2178win32_vfprintf(FILE *fp, const char *format, va_list args)
0a753a76 2179{
390b85e7 2180 return (vfprintf(fp, format, args));
0a753a76
PP		 2181}
2182
96e4d5b1
PP		 2183DllExport int
2184win32_vprintf(const char *format, va_list args)
2185{
390b85e7 2186 return (vprintf(format, args));
96e4d5b1
PP		 2187}
2188
68dc0745
PP		 2189DllExport size_t
2190win32_fread(void *buf, size_t size, size_t count, FILE *fp)
0a753a76 2191{
390b85e7 2192 return fread(buf, size, count, fp);
0a753a76
PP		 2193}
2194
68dc0745
PP		 2195DllExport size_t
2196win32_fwrite(const void *buf, size_t size, size_t count, FILE *fp)
0a753a76 2197{
390b85e7 2198 return fwrite(buf, size, count, fp);
0a753a76
PP		 2199}
2200
7fac1903
GS		 2201#define MODE_SIZE 10
2202
68dc0745
PP		 2203DllExport FILE *
2204win32_fopen(const char *filename, const char *mode)
0a753a76 2205{
acfe0abc 2206 dTHX;
82867ecf 2207 WCHAR wMode[MODE_SIZE], wBuffer[MAX_PATH+1];
1c5905c2 2208 FILE *f;
c5be433b
GS		 2209
2210 if (!*filename)
2211 return NULL;
2212
68dc0745 2213 if (stricmp(filename, "/dev/null")==0)
7fac1903
GS		 2214 filename = "NUL";
2215
2216 if (USING_WIDE()) {
0cb96387
GS		 2217 A2WHELPER(mode, wMode, sizeof(wMode));
2218 A2WHELPER(filename, wBuffer, sizeof(wBuffer));
1c5905c2 2219 f = _wfopen(PerlDir_mapW(wBuffer), wMode);
7fac1903 2220 }
1c5905c2
GS		 2221 else
2222 f = fopen(PerlDir_mapA(filename), mode);
2223 /* avoid buffering headaches for child processes */
2224 if (f && *mode == 'a')
2225 win32_fseek(f, 0, SEEK_END);
2226 return f;
0a753a76
PP		 2227}
2228
f3986ebb
GS		 2229#ifndef USE_SOCKETS_AS_HANDLES
2230#undef fdopen
2231#define fdopen my_fdopen
2232#endif
2233
68dc0745 2234DllExport FILE *
7fac1903 2235win32_fdopen(int handle, const char *mode)
0a753a76 2236{
acfe0abc 2237 dTHX;
51371543 2238 WCHAR wMode[MODE_SIZE];
1c5905c2 2239 FILE *f;
7fac1903 2240 if (USING_WIDE()) {
0cb96387 2241 A2WHELPER(mode, wMode, sizeof(wMode));
1c5905c2 2242 f = _wfdopen(handle, wMode);
7fac1903 2243 }
1c5905c2
GS		 2244 else
2245 f = fdopen(handle, (char *) mode);
2246 /* avoid buffering headaches for child processes */
2247 if (f && *mode == 'a')
2248 win32_fseek(f, 0, SEEK_END);
2249 return f;
0a753a76
PP		 2250}
2251
68dc0745 2252DllExport FILE *
7fac1903 2253win32_freopen(const char *path, const char *mode, FILE *stream)
0a753a76 2254{
acfe0abc 2255 dTHX;
82867ecf 2256 WCHAR wMode[MODE_SIZE], wBuffer[MAX_PATH+1];
68dc0745 2257 if (stricmp(path, "/dev/null")==0)
7fac1903
GS		 2258 path = "NUL";
2259
2260 if (USING_WIDE()) {
0cb96387
GS		 2261 A2WHELPER(mode, wMode, sizeof(wMode));
2262 A2WHELPER(path, wBuffer, sizeof(wBuffer));
7766f137 2263 return _wfreopen(PerlDir_mapW(wBuffer), wMode, stream);
7fac1903 2264 }
7766f137 2265 return freopen(PerlDir_mapA(path), mode, stream);
0a753a76
PP		 2266}
2267
68dc0745
PP		 2268DllExport int
2269win32_fclose(FILE *pf)
0a753a76 2270{
f3986ebb 2271 return my_fclose(pf); /* defined in win32sck.c */
0a753a76
PP		 2272}
2273
68dc0745
PP		 2274DllExport int
2275win32_fputs(const char *s,FILE *pf)
0a753a76 2276{
390b85e7 2277 return fputs(s, pf);
0a753a76
PP		 2278}
2279
68dc0745
PP		 2280DllExport int
2281win32_fputc(int c,FILE *pf)
0a753a76 2282{
390b85e7 2283 return fputc(c,pf);
0a753a76
PP		 2284}
2285
68dc0745
PP		 2286DllExport int
2287win32_ungetc(int c,FILE *pf)
0a753a76 2288{
390b85e7 2289 return ungetc(c,pf);
0a753a76
PP		 2290}
2291
68dc0745
PP		 2292DllExport int
2293win32_getc(FILE *pf)
0a753a76 2294{
390b85e7 2295 return getc(pf);
0a753a76
PP		 2296}
2297
68dc0745
PP		 2298DllExport int
2299win32_fileno(FILE *pf)
0a753a76 2300{
390b85e7 2301 return fileno(pf);
0a753a76
PP		 2302}
2303
68dc0745
PP		 2304DllExport void
2305win32_clearerr(FILE *pf)
0a753a76 2306{
390b85e7 2307 clearerr(pf);
68dc0745 2308 return;
0a753a76
PP		 2309}
2310
68dc0745
PP		 2311DllExport int
2312win32_fflush(FILE *pf)
0a753a76 2313{
390b85e7 2314 return fflush(pf);
0a753a76
PP		 2315}
2316
68dc0745
PP		 2317DllExport long
2318win32_ftell(FILE *pf)
0a753a76 2319{
390b85e7 2320 return ftell(pf);
0a753a76
PP		 2321}
2322
68dc0745
PP		 2323DllExport int
2324win32_fseek(FILE *pf,long offset,int origin)
0a753a76 2325{
390b85e7 2326 return fseek(pf, offset, origin);
0a753a76
PP		 2327}
2328
68dc0745
PP		 2329DllExport int
2330win32_fgetpos(FILE *pf,fpos_t *p)
0a753a76 2331{
390b85e7 2332 return fgetpos(pf, p);
0a753a76
PP		 2333}
2334
68dc0745
PP		 2335DllExport int
2336win32_fsetpos(FILE *pf,const fpos_t *p)
0a753a76 2337{
390b85e7 2338 return fsetpos(pf, p);
0a753a76
PP		 2339}
2340
68dc0745
PP		 2341DllExport void
2342win32_rewind(FILE *pf)
0a753a76 2343{
390b85e7 2344 rewind(pf);
68dc0745 2345 return;
0a753a76
PP		 2346}
2347
68dc0745
PP		 2348DllExport FILE*
2349win32_tmpfile(void)
0a753a76 2350{
b3122bc4
JH		 2351 dTHX;
2352 char prefix[MAX_PATH+1];
2353 char filename[MAX_PATH+1];
2354 DWORD len = GetTempPath(MAX_PATH, prefix);
2355 if (len && len < MAX_PATH) {
2356 if (GetTempFileName(prefix, "plx", 0, filename)) {
2357 HANDLE fh = CreateFile(filename,
2358 DELETE | GENERIC_READ | GENERIC_WRITE,
2359 0,
2360 NULL,
2361 CREATE_ALWAYS,
2362 FILE_ATTRIBUTE_NORMAL
2363 | FILE_FLAG_DELETE_ON_CLOSE,
2364 NULL);
2365 if (fh != INVALID_HANDLE_VALUE) {
2366 int fd = win32_open_osfhandle((long)fh, 0);
2367 if (fd >= 0) {
2368 DEBUG_p(PerlIO_printf(Perl_debug_log,
2369 "Created tmpfile=%s\n",filename));
2370 return fdopen(fd, "w+b");
2371 }
2372 }
2373 }
2374 }
2375 return NULL;
0a753a76
PP		 2376}
2377
68dc0745
PP		 2378DllExport void
2379win32_abort(void)
0a753a76 2380{
390b85e7 2381 abort();
68dc0745 2382 return;
0a753a76
PP		 2383}
2384
68dc0745 2385DllExport int
22239a37 2386win32_fstat(int fd,struct stat *sbufptr)
0a753a76 2387{
2a07f407
VK		 2388#ifdef __BORLANDC__
2389 /* A file designated by filehandle is not shown as accessible
2390 * for write operations, probably because it is opened for reading.
2391 * --Vadim Konovalov
2392 */
2393 int rc = fstat(fd,sbufptr);
2394 BY_HANDLE_FILE_INFORMATION bhfi;
2395 if (GetFileInformationByHandle((HANDLE)_get_osfhandle(fd), &bhfi)) {
2396 sbufptr->st_mode &= 0xFE00;
2397 if (bhfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY)
2398 sbufptr->st_mode |= (S_IREAD + (S_IREAD >> 3) + (S_IREAD >> 6));
2399 else
2400 sbufptr->st_mode |= ((S_IREAD|S_IWRITE) + ((S_IREAD|S_IWRITE) >> 3)
2401 + ((S_IREAD|S_IWRITE) >> 6));
2402 }
2403 return rc;
2404#else
ed59ec62 2405 return my_fstat(fd,sbufptr);
2a07f407 2406#endif
0a753a76
PP		 2407}
2408
68dc0745
PP		 2409DllExport int
2410win32_pipe(int *pfd, unsigned int size, int mode)
0a753a76 2411{
390b85e7 2412 return _pipe(pfd, size, mode);
0a753a76
PP		 2413}
2414
8c0134a8
NIS		 2415DllExport PerlIO*
2416win32_popenlist(const char *mode, IV narg, SV **args)
2417{
2418 dTHX;
2419 Perl_croak(aTHX_ "List form of pipe open not implemented");
2420 return NULL;
2421}
2422
50892819
GS		 2423/*
2424 * a popen() clone that respects PERL5SHELL
00b02797
JH		 2425 *
2426 * changed to return PerlIO* rather than FILE * by BKS, 11-11-2000
50892819
GS		 2427 */
2428
00b02797 2429DllExport PerlIO*
68dc0745 2430win32_popen(const char *command, const char *mode)
0a753a76 2431{
4b556e6c 2432#ifdef USE_RTL_POPEN
390b85e7 2433 return _popen(command, mode);
50892819
GS		 2434#else
2435 int p[2];
2436 int parent, child;
2437 int stdfd, oldfd;
2438 int ourmode;
2439 int childpid;
2440
2441 /* establish which ends read and write */
2442 if (strchr(mode,'w')) {
2443 stdfd = 0; /* stdin */
2444 parent = 1;
2445 child = 0;
2446 }
2447 else if (strchr(mode,'r')) {
2448 stdfd = 1; /* stdout */
2449 parent = 0;
2450 child = 1;
2451 }
2452 else
2453 return NULL;
2454
2455 /* set the correct mode */
2456 if (strchr(mode,'b'))
2457 ourmode = O_BINARY;
2458 else if (strchr(mode,'t'))
2459 ourmode = O_TEXT;
2460 else
2461 ourmode = _fmode & (O_TEXT | O_BINARY);
2462
2463 /* the child doesn't inherit handles */
2464 ourmode |= O_NOINHERIT;
2465
2466 if (win32_pipe( p, 512, ourmode) == -1)
2467 return NULL;
2468
2469 /* save current stdfd */
2470 if ((oldfd = win32_dup(stdfd)) == -1)
2471 goto cleanup;
2472
2473 /* make stdfd go to child end of pipe (implicitly closes stdfd) */
2474 /* stdfd will be inherited by the child */
2475 if (win32_dup2(p[child], stdfd) == -1)
2476 goto cleanup;
2477
2478 /* close the child end in parent */
2479 win32_close(p[child]);
2480
2481 /* start the child */
4f63d024 2482 {
acfe0abc 2483 dTHX;
c5be433b 2484 if ((childpid = do_spawn_nowait((char*)command)) == -1)
4f63d024 2485 goto cleanup;
50892819 2486
4f63d024
GS		 2487 /* revert stdfd to whatever it was before */
2488 if (win32_dup2(oldfd, stdfd) == -1)
2489 goto cleanup;
50892819 2490
4f63d024
GS		 2491 /* close saved handle */
2492 win32_close(oldfd);
50892819 2493
4755096e 2494 LOCK_FDPID_MUTEX;
4f63d024 2495 sv_setiv(*av_fetch(w32_fdpid, p[parent], TRUE), childpid);
4755096e 2496 UNLOCK_FDPID_MUTEX;
d91d68c1
R		 2497
2498 /* set process id so that it can be returned by perl's open() */
2499 PL_forkprocess = childpid;
4f63d024 2500 }
50892819
GS		 2501
2502 /* we have an fd, return a file stream */
00b02797 2503 return (PerlIO_fdopen(p[parent], (char *)mode));
50892819
GS		 2504
2505cleanup:
2506 /* we don't need to check for errors here */
2507 win32_close(p[0]);
2508 win32_close(p[1]);
2509 if (oldfd != -1) {
2510 win32_dup2(oldfd, stdfd);
2511 win32_close(oldfd);
2512 }
2513 return (NULL);
2514
4b556e6c 2515#endif /* USE_RTL_POPEN */
0a753a76
PP		 2516}
2517
50892819
GS		 2518/*
2519 * pclose() clone
2520 */
2521
68dc0745 2522DllExport int
00b02797 2523win32_pclose(PerlIO *pf)
0a753a76 2524{
4b556e6c 2525#ifdef USE_RTL_POPEN
390b85e7 2526 return _pclose(pf);
50892819 2527#else
acfe0abc 2528 dTHX;
e17cb2a9
JD		 2529 int childpid, status;
2530 SV *sv;
2531
4755096e 2532 LOCK_FDPID_MUTEX;
00b02797 2533 sv = *av_fetch(w32_fdpid, PerlIO_fileno(pf), TRUE);
4755096e 2534
e17cb2a9
JD		 2535 if (SvIOK(sv))
2536 childpid = SvIVX(sv);
2537 else
2538 childpid = 0;
50892819
GS		 2539
2540 if (!childpid) {
2541 errno = EBADF;
2542 return -1;
2543 }
2544
00b02797
JH		 2545#ifdef USE_PERLIO
2546 PerlIO_close(pf);
2547#else
2548 fclose(pf);
2549#endif
e17cb2a9 2550 SvIVX(sv) = 0;
4755096e 2551 UNLOCK_FDPID_MUTEX;
e17cb2a9 2552
0aaad0ff
GS		 2553 if (win32_waitpid(childpid, &status, 0) == -1)
2554 return -1;
50892819 2555
0aaad0ff 2556 return status;
50892819 2557
4b556e6c 2558#endif /* USE_RTL_POPEN */
0a753a76 2559}
6b980173
JD		 2560
2561static BOOL WINAPI
2562Nt4CreateHardLinkW(
2563 LPCWSTR lpFileName,
2564 LPCWSTR lpExistingFileName,
2565 LPSECURITY_ATTRIBUTES lpSecurityAttributes)
2566{
2567 HANDLE handle;
2568 WCHAR wFullName[MAX_PATH+1];
2569 LPVOID lpContext = NULL;
2570 WIN32_STREAM_ID StreamId;
2571 DWORD dwSize = (char*)&StreamId.cStreamName - (char*)&StreamId;
2572 DWORD dwWritten;
2573 DWORD dwLen;
2574 BOOL bSuccess;
2575
2576 BOOL (__stdcall *pfnBackupWrite)(HANDLE, LPBYTE, DWORD, LPDWORD,
2577 BOOL, BOOL, LPVOID*) =
2578 (BOOL (__stdcall *)(HANDLE, LPBYTE, DWORD, LPDWORD,
2579 BOOL, BOOL, LPVOID*))
2580 GetProcAddress(GetModuleHandle("kernel32.dll"), "BackupWrite");
2581 if (pfnBackupWrite == NULL)
2582 return 0;
2583
2584 dwLen = GetFullPathNameW(lpFileName, MAX_PATH, wFullName, NULL);
2585 if (dwLen == 0)
2586 return 0;
2587 dwLen = (dwLen+1)*sizeof(WCHAR);
2588
2589 handle = CreateFileW(lpExistingFileName, FILE_WRITE_ATTRIBUTES,
2590 FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
2591 NULL, OPEN_EXISTING, 0, NULL);
2592 if (handle == INVALID_HANDLE_VALUE)
2593 return 0;
2594
2595 StreamId.dwStreamId = BACKUP_LINK;
2596 StreamId.dwStreamAttributes = 0;
2597 StreamId.dwStreamNameSize = 0;
6f24f39d
JK		 2598#if defined(__BORLANDC__) \
2599 ||(defined(__MINGW32__) && !defined(_ANONYMOUS_UNION))
4ce4f76e
GS		 2600 StreamId.Size.u.HighPart = 0;
2601 StreamId.Size.u.LowPart = dwLen;
2602#else
6b980173
JD		 2603 StreamId.Size.HighPart = 0;
2604 StreamId.Size.LowPart = dwLen;
4ce4f76e 2605#endif
6b980173
JD		 2606
2607 bSuccess = pfnBackupWrite(handle, (LPBYTE)&StreamId, dwSize, &dwWritten,
2608 FALSE, FALSE, &lpContext);
2609 if (bSuccess) {
2610 bSuccess = pfnBackupWrite(handle, (LPBYTE)wFullName, dwLen, &dwWritten,
2611 FALSE, FALSE, &lpContext);
2612 pfnBackupWrite(handle, NULL, 0, &dwWritten, TRUE, FALSE, &lpContext);
2613 }
2614
2615 CloseHandle(handle);
2616 return bSuccess;
2617}
2618
2619DllExport int
2620win32_link(const char *oldname, const char *newname)
2621{
acfe0abc 2622 dTHX;
6b980173 2623 BOOL (__stdcall *pfnCreateHardLinkW)(LPCWSTR,LPCWSTR,LPSECURITY_ATTRIBUTES);
82867ecf
GS		 2624 WCHAR wOldName[MAX_PATH+1];
2625 WCHAR wNewName[MAX_PATH+1];
6b980173
JD		 2626
2627 if (IsWin95())
1be9d9c6 2628 Perl_croak(aTHX_ PL_no_func, "link");
6b980173
JD		 2629
2630 pfnCreateHardLinkW =
2631 (BOOL (__stdcall *)(LPCWSTR, LPCWSTR, LPSECURITY_ATTRIBUTES))
2632 GetProcAddress(GetModuleHandle("kernel32.dll"), "CreateHardLinkW");
2633 if (pfnCreateHardLinkW == NULL)
2634 pfnCreateHardLinkW = Nt4CreateHardLinkW;
2635
2636 if ((A2WHELPER(oldname, wOldName, sizeof(wOldName))) &&
2637 (A2WHELPER(newname, wNewName, sizeof(wNewName))) &&
7766f137
GS		 2638 (wcscpy(wOldName, PerlDir_mapW(wOldName)),
2639 pfnCreateHardLinkW(PerlDir_mapW(wNewName), wOldName, NULL)))
6b980173
JD		 2640 {
2641 return 0;
2642 }
2643 errno = (GetLastError() == ERROR_FILE_NOT_FOUND) ? ENOENT : EINVAL;
2644 return -1;
2645}
0a753a76 2646
68dc0745 2647DllExport int
8d9b2e3c 2648win32_rename(const char *oname, const char *newname)
e24c7c18 2649{
65cb15a1
GS		 2650 WCHAR wOldName[MAX_PATH+1];
2651 WCHAR wNewName[MAX_PATH+1];
2652 char szOldName[MAX_PATH+1];
2653 char szNewName[MAX_PATH+1];
7fac1903 2654 BOOL bResult;
acfe0abc 2655 dTHX;
65cb15a1 2656
80252599
GS		 2657 /* XXX despite what the documentation says about MoveFileEx(),
2658 * it doesn't work under Windows95!
2659 */
2660 if (IsWinNT()) {
65cb15a1 2661 DWORD dwFlags = MOVEFILE_COPY_ALLOWED;
7fac1903 2662 if (USING_WIDE()) {
0cb96387
GS		 2663 A2WHELPER(oname, wOldName, sizeof(wOldName));
2664 A2WHELPER(newname, wNewName, sizeof(wNewName));
65cb15a1
GS		 2665 if (wcsicmp(wNewName, wOldName))
2666 dwFlags |= MOVEFILE_REPLACE_EXISTING;
7766f137 2667 wcscpy(wOldName, PerlDir_mapW(wOldName));
65cb15a1 2668 bResult = MoveFileExW(wOldName,PerlDir_mapW(wNewName), dwFlags);
7fac1903
GS		 2669 }
2670 else {
65cb15a1
GS		 2671 if (stricmp(newname, oname))
2672 dwFlags |= MOVEFILE_REPLACE_EXISTING;
2673 strcpy(szOldName, PerlDir_mapA(oname));
2674 bResult = MoveFileExA(szOldName,PerlDir_mapA(newname), dwFlags);
7fac1903
GS		 2675 }
2676 if (!bResult) {
80252599
GS		 2677 DWORD err = GetLastError();
2678 switch (err) {
2679 case ERROR_BAD_NET_NAME:
2680 case ERROR_BAD_NETPATH:
2681 case ERROR_BAD_PATHNAME:
2682 case ERROR_FILE_NOT_FOUND:
2683 case ERROR_FILENAME_EXCED_RANGE:
2684 case ERROR_INVALID_DRIVE:
2685 case ERROR_NO_MORE_FILES:
2686 case ERROR_PATH_NOT_FOUND:
2687 errno = ENOENT;
2688 break;
2689 default:
2690 errno = EACCES;
2691 break;
2692 }
2693 return -1;
2694 }
2695 return 0;
e24c7c18 2696 }
80252599
GS		 2697 else {
2698 int retval = 0;
65cb15a1 2699 char szTmpName[MAX_PATH+1];
80252599
GS		 2700 char dname[MAX_PATH+1];
2701 char *endname = Nullch;
2702 STRLEN tmplen = 0;
2703 DWORD from_attr, to_attr;
2704
65cb15a1
GS		 2705 strcpy(szOldName, PerlDir_mapA(oname));
2706 strcpy(szNewName, PerlDir_mapA(newname));
2707
80252599 2708 /* if oname doesn't exist, do nothing */
65cb15a1 2709 from_attr = GetFileAttributes(szOldName);
80252599
GS		 2710 if (from_attr == 0xFFFFFFFF) {
2711 errno = ENOENT;
2712 return -1;
2713 }
2714
2715 /* if newname exists, rename it to a temporary name so that we
2716 * don't delete it in case oname happens to be the same file
2717 * (but perhaps accessed via a different path)
2718 */
65cb15a1 2719 to_attr = GetFileAttributes(szNewName);
80252599
GS		 2720 if (to_attr != 0xFFFFFFFF) {
2721 /* if newname is a directory, we fail
2722 * XXX could overcome this with yet more convoluted logic */
2723 if (to_attr & FILE_ATTRIBUTE_DIRECTORY) {
2724 errno = EACCES;
2725 return -1;
2726 }
65cb15a1
GS		 2727 tmplen = strlen(szNewName);
2728 strcpy(szTmpName,szNewName);
2729 endname = szTmpName+tmplen;
2730 for (; endname > szTmpName ; --endname) {
80252599
GS		 2731 if (*endname == '/' || *endname == '\\') {
2732 *endname = '\0';
2733 break;
2734 }
2735 }
65cb15a1
GS		 2736 if (endname > szTmpName)
2737 endname = strcpy(dname,szTmpName);
e24c7c18 2738 else
80252599
GS		 2739 endname = ".";
2740
2741 /* get a temporary filename in same directory
2742 * XXX is this really the best we can do? */
65cb15a1 2743 if (!GetTempFileName((LPCTSTR)endname, "plr", 0, szTmpName)) {
80252599
GS		 2744 errno = ENOENT;
2745 return -1;
2746 }
65cb15a1 2747 DeleteFile(szTmpName);
80252599 2748
65cb15a1 2749 retval = rename(szNewName, szTmpName);
80252599
GS		 2750 if (retval != 0) {
2751 errno = EACCES;
2752 return retval;
e24c7c18
GS		 2753 }
2754 }
80252599
GS		 2755
2756 /* rename oname to newname */
65cb15a1 2757 retval = rename(szOldName, szNewName);
80252599
GS		 2758
2759 /* if we created a temporary file before ... */
2760 if (endname != Nullch) {
2761 /* ...and rename succeeded, delete temporary file/directory */
2762 if (retval == 0)
65cb15a1 2763 DeleteFile(szTmpName);
80252599
GS		 2764 /* else restore it to what it was */
2765 else
65cb15a1 2766 (void)rename(szTmpName, szNewName);
80252599
GS		 2767 }
2768 return retval;
e24c7c18 2769 }
e24c7c18
GS		 2770}
2771
2772DllExport int
68dc0745 2773win32_setmode(int fd, int mode)
0a753a76 2774{
390b85e7 2775 return setmode(fd, mode);
0a753a76
PP		 2776}
2777
96e4d5b1
PP		 2778DllExport long
2779win32_lseek(int fd, long offset, int origin)
2780{
390b85e7 2781 return lseek(fd, offset, origin);
96e4d5b1
PP		 2782}
2783
2784DllExport long
2785win32_tell(int fd)
2786{
390b85e7 2787 return tell(fd);
96e4d5b1
PP		 2788}
2789
68dc0745
PP		 2790DllExport int
2791win32_open(const char *path, int flag, ...)
0a753a76 2792{
acfe0abc 2793 dTHX;
68dc0745
PP		 2794 va_list ap;
2795 int pmode;
82867ecf 2796 WCHAR wBuffer[MAX_PATH+1];
0a753a76
PP		 2797
2798 va_start(ap, flag);
2799 pmode = va_arg(ap, int);
2800 va_end(ap);
2801
68dc0745 2802 if (stricmp(path, "/dev/null")==0)
7fac1903
GS		 2803 path = "NUL";
2804
2805 if (USING_WIDE()) {
0cb96387 2806 A2WHELPER(path, wBuffer, sizeof(wBuffer));
7766f137 2807 return _wopen(PerlDir_mapW(wBuffer), flag, pmode);
7fac1903 2808 }
7766f137 2809 return open(PerlDir_mapA(path), flag, pmode);
0a753a76
PP		 2810}
2811
00b02797
JH		 2812/* close() that understands socket */
2813extern int my_close(int); /* in win32sck.c */
2814
68dc0745
PP		 2815DllExport int
2816win32_close(int fd)
0a753a76 2817{
00b02797 2818 return my_close(fd);
0a753a76
PP		 2819}
2820
68dc0745 2821DllExport int
96e4d5b1
PP		 2822win32_eof(int fd)
2823{
390b85e7 2824 return eof(fd);
96e4d5b1
PP		 2825}
2826
2827DllExport int
68dc0745 2828win32_dup(int fd)
0a753a76 2829{
390b85e7 2830 return dup(fd);
0a753a76
PP		 2831}
2832
68dc0745
PP		 2833DllExport int
2834win32_dup2(int fd1,int fd2)
0a753a76 2835{
390b85e7 2836 return dup2(fd1,fd2);
0a753a76
PP		 2837}
2838
f7aeb604
GS		 2839#ifdef PERL_MSVCRT_READFIX
2840
2841#define LF 10 /* line feed */
2842#define CR 13 /* carriage return */
2843#define CTRLZ 26 /* ctrl-z means eof for text */
2844#define FOPEN 0x01 /* file handle open */
2845#define FEOFLAG 0x02 /* end of file has been encountered */
2846#define FCRLF 0x04 /* CR-LF across read buffer (in text mode) */
2847#define FPIPE 0x08 /* file handle refers to a pipe */
2848#define FAPPEND 0x20 /* file handle opened O_APPEND */
2849#define FDEV 0x40 /* file handle refers to device */
2850#define FTEXT 0x80 /* file handle is in text mode */
2851#define MAX_DESCRIPTOR_COUNT (64*32) /* this is the maximun that MSVCRT can handle */
2852
b181b6fb
GS		 2853int __cdecl
2854_fixed_read(int fh, void *buf, unsigned cnt)
f7aeb604
GS		 2855{
2856 int bytes_read; /* number of bytes read */
2857 char *buffer; /* buffer to read to */
2858 int os_read; /* bytes read on OS call */
2859 char *p, *q; /* pointers into buffer */
2860 char peekchr; /* peek-ahead character */
2861 ULONG filepos; /* file position after seek */
2862 ULONG dosretval; /* o.s. return value */
2863
2864 /* validate handle */
2865 if (((unsigned)fh >= (unsigned)MAX_DESCRIPTOR_COUNT) ||
2866 !(_osfile(fh) & FOPEN))
2867 {
2868 /* out of range -- return error */
2869 errno = EBADF;
2870 _doserrno = 0; /* not o.s. error */
2871 return -1;
2872 }
2873
635bbe87
GS		 2874 /*
2875 * If lockinitflag is FALSE, assume fd is device
2876 * lockinitflag is set to TRUE by open.
2877 */
2878 if (_pioinfo(fh)->lockinitflag)
2879 EnterCriticalSection(&(_pioinfo(fh)->lock)); /* lock file */
f7aeb604
GS		 2880
2881 bytes_read = 0; /* nothing read yet */
2882 buffer = (char*)buf;
2883
2884 if (cnt == 0 || (_osfile(fh) & FEOFLAG)) {
2885 /* nothing to read or at EOF, so return 0 read */
2886 goto functionexit;
2887 }
2888
2889 if ((_osfile(fh) & (FPIPE|FDEV)) && _pipech(fh) != LF) {
2890 /* a pipe/device and pipe lookahead non-empty: read the lookahead
2891 * char */
2892 *buffer++ = _pipech(fh);
2893 ++bytes_read;
2894 --cnt;
2895 _pipech(fh) = LF; /* mark as empty */
2896 }
2897
2898 /* read the data */
2899
2900 if (!ReadFile((HANDLE)_osfhnd(fh), buffer, cnt, (LPDWORD)&os_read, NULL))
2901 {
2902 /* ReadFile has reported an error. recognize two special cases.
2903 *
2904 * 1. map ERROR_ACCESS_DENIED to EBADF
2905 *
2906 * 2. just return 0 if ERROR_BROKEN_PIPE has occurred. it
2907 * means the handle is a read-handle on a pipe for which
2908 * all write-handles have been closed and all data has been
2909 * read. */
2910
2911 if ((dosretval = GetLastError()) == ERROR_ACCESS_DENIED) {
2912 /* wrong read/write mode should return EBADF, not EACCES */
2913 errno = EBADF;
2914 _doserrno = dosretval;
2915 bytes_read = -1;
2916 goto functionexit;
2917 }
2918 else if (dosretval == ERROR_BROKEN_PIPE) {
2919 bytes_read = 0;
2920 goto functionexit;
2921 }
2922 else {
2923 bytes_read = -1;
2924 goto functionexit;
2925 }
2926 }
2927
2928 bytes_read += os_read; /* update bytes read */
2929
2930 if (_osfile(fh) & FTEXT) {
2931 /* now must translate CR-LFs to LFs in the buffer */
2932
2933 /* set CRLF flag to indicate LF at beginning of buffer */
2934 /* if ((os_read != 0) && (*(char *)buf == LF)) */
2935 /* _osfile(fh) |= FCRLF; */
2936 /* else */
2937 /* _osfile(fh) &= ~FCRLF; */
2938
2939 _osfile(fh) &= ~FCRLF;
2940
2941 /* convert chars in the buffer: p is src, q is dest */
2942 p = q = (char*)buf;
2943 while (p < (char *)buf + bytes_read) {
2944 if (*p == CTRLZ) {
2945 /* if fh is not a device, set ctrl-z flag */
2946 if (!(_osfile(fh) & FDEV))
2947 _osfile(fh) |= FEOFLAG;
2948 break; /* stop translating */
2949 }
2950 else if (*p != CR)
2951 *q++ = *p++;
2952 else {
2953 /* *p is CR, so must check next char for LF */
2954 if (p < (char *)buf + bytes_read - 1) {
2955 if (*(p+1) == LF) {
2956 p += 2;
2957 *q++ = LF; /* convert CR-LF to LF */
2958 }
2959 else
2960 *q++ = *p++; /* store char normally */
2961 }
2962 else {
2963 /* This is the hard part. We found a CR at end of
2964 buffer. We must peek ahead to see if next char
2965 is an LF. */
2966 ++p;
2967
2968 dosretval = 0;
2969 if (!ReadFile((HANDLE)_osfhnd(fh), &peekchr, 1,
2970 (LPDWORD)&os_read, NULL))
2971 dosretval = GetLastError();
2972
2973 if (dosretval != 0 || os_read == 0) {
2974 /* couldn't read ahead, store CR */
2975 *q++ = CR;
2976 }
2977 else {
2978 /* peekchr now has the extra character -- we now
2979 have several possibilities:
2980 1. disk file and char is not LF; just seek back
2981 and copy CR
2982 2. disk file and char is LF; store LF, don't seek back
2983 3. pipe/device and char is LF; store LF.
2984 4. pipe/device and char isn't LF, store CR and
2985 put char in pipe lookahead buffer. */
2986 if (_osfile(fh) & (FDEV|FPIPE)) {
2987 /* non-seekable device */
2988 if (peekchr == LF)
2989 *q++ = LF;
2990 else {
2991 *q++ = CR;
2992 _pipech(fh) = peekchr;
2993 }
2994 }
2995 else {
2996 /* disk file */
2997 if (peekchr == LF) {
2998 /* nothing read yet; must make some
2999 progress */
3000 *q++ = LF;
3001 /* turn on this flag for tell routine */
3002 _osfile(fh) |= FCRLF;
3003 }
3004 else {
3005 HANDLE osHandle; /* o.s. handle value */
3006 /* seek back */
3007 if ((osHandle = (HANDLE)_get_osfhandle(fh)) != (HANDLE)-1)
3008 {
3009 if ((filepos = SetFilePointer(osHandle, -1, NULL, FILE_CURRENT)) == -1)
3010 dosretval = GetLastError();
3011 }
3012 if (peekchr != LF)
3013 *q++ = CR;
3014 }
3015 }
3016 }
3017 }
3018 }
3019 }
3020
3021 /* we now change bytes_read to reflect the true number of chars
3022 in the buffer */
3023 bytes_read = q - (char *)buf;
3024 }
3025
3026functionexit:
635bbe87
GS		 3027 if (_pioinfo(fh)->lockinitflag)
3028 LeaveCriticalSection(&(_pioinfo(fh)->lock)); /* unlock file */
f7aeb604
GS		 3029
3030 return bytes_read;
3031}
3032
3033#endif /* PERL_MSVCRT_READFIX */
3034
68dc0745 3035DllExport int
3e3baf6d 3036win32_read(int fd, void *buf, unsigned int cnt)
0a753a76 3037{
f7aeb604
GS		 3038#ifdef PERL_MSVCRT_READFIX
3039 return _fixed_read(fd, buf, cnt);
3040#else
390b85e7 3041 return read(fd, buf, cnt);
f7aeb604 3042#endif
0a753a76
PP		 3043}
3044
68dc0745 3045DllExport int
3e3baf6d 3046win32_write(int fd, const void *buf, unsigned int cnt)
0a753a76 3047{
390b85e7 3048 return write(fd, buf, cnt);
0a753a76
PP		 3049}
3050
68dc0745 3051DllExport int
5aabfad6
PP		 3052win32_mkdir(const char *dir, int mode)
3053{
acfe0abc 3054 dTHX;
7766f137 3055 if (USING_WIDE()) {
82867ecf 3056 WCHAR wBuffer[MAX_PATH+1];
7766f137
GS		 3057 A2WHELPER(dir, wBuffer, sizeof(wBuffer));
3058 return _wmkdir(PerlDir_mapW(wBuffer));
3059 }
3060 return mkdir(PerlDir_mapA(dir)); /* just ignore mode */
5aabfad6 3061}
96e4d5b1 3062
5aabfad6
PP		 3063DllExport int
3064win32_rmdir(const char *dir)
3065{
acfe0abc 3066 dTHX;
7766f137 3067 if (USING_WIDE()) {
82867ecf 3068 WCHAR wBuffer[MAX_PATH+1];
7766f137
GS		 3069 A2WHELPER(dir, wBuffer, sizeof(wBuffer));
3070 return _wrmdir(PerlDir_mapW(wBuffer));
3071 }
3072 return rmdir(PerlDir_mapA(dir));
5aabfad6 3073}
96e4d5b1 3074
5aabfad6
PP		 3075DllExport int
3076win32_chdir(const char *dir)
3077{
4ae93879 3078 dTHX;
9ec3348a
JH		 3079 if (!dir) {
3080 errno = ENOENT;
3081 return -1;
3082 }
7766f137 3083 if (USING_WIDE()) {
82867ecf 3084 WCHAR wBuffer[MAX_PATH+1];
7766f137
GS		 3085 A2WHELPER(dir, wBuffer, sizeof(wBuffer));
3086 return _wchdir(wBuffer);
3087 }
390b85e7 3088 return chdir(dir);
5aabfad6 3089}
96e4d5b1 3090
7766f137
GS		 3091DllExport int
3092win32_access(const char *path, int mode)
3093{
acfe0abc 3094 dTHX;
7766f137 3095 if (USING_WIDE()) {
82867ecf 3096 WCHAR wBuffer[MAX_PATH+1];
7766f137
GS		 3097 A2WHELPER(path, wBuffer, sizeof(wBuffer));
3098 return _waccess(PerlDir_mapW(wBuffer), mode);
3099 }
3100 return access(PerlDir_mapA(path), mode);
3101}
3102
3103DllExport int
3104win32_chmod(const char *path, int mode)
3105{
acfe0abc 3106 dTHX;
7766f137 3107 if (USING_WIDE()) {
82867ecf 3108 WCHAR wBuffer[MAX_PATH+1];
7766f137
GS		 3109 A2WHELPER(path, wBuffer, sizeof(wBuffer));
3110 return _wchmod(PerlDir_mapW(wBuffer), mode);
3111 }
3112 return chmod(PerlDir_mapA(path), mode);
3113}
3114
3115
0aaad0ff 3116static char *
dd7038b3 3117create_command_line(char *cname, STRLEN clen, const char * const *args)
0aaad0ff 3118{
acfe0abc 3119 dTHX;
b309b8ae
JH		 3120 int index, argc;
3121 char *cmd, *ptr;
3122 const char *arg;
3123 STRLEN len = 0;
81bc1258 3124 bool bat_file = FALSE;
b309b8ae 3125 bool cmd_shell = FALSE;
7b11e424 3126 bool dumb_shell = FALSE;
b309b8ae 3127 bool extra_quotes = FALSE;
dd7038b3 3128 bool quote_next = FALSE;
81bc1258
JH		 3129
3130 if (!cname)
3131 cname = (char*)args[0];
b309b8ae
JH		 3132
3133 /* The NT cmd.exe shell has the following peculiarity that needs to be
3134 * worked around. It strips a leading and trailing dquote when any
3135 * of the following is true:
3136 * 1. the /S switch was used
3137 * 2. there are more than two dquotes
3138 * 3. there is a special character from this set: &<>()@^|
3139 * 4. no whitespace characters within the two dquotes
3140 * 5. string between two dquotes isn't an executable file
3141 * To work around this, we always add a leading and trailing dquote
3142 * to the string, if the first argument is either "cmd.exe" or "cmd",
3143 * and there were at least two or more arguments passed to cmd.exe
3144 * (not including switches).
dd7038b3
JH		 3145 * XXX the above rules (from "cmd /?") don't seem to be applied
3146 * always, making for the convolutions below :-(
b309b8ae 3147 */
81bc1258 3148 if (cname) {
dd7038b3
JH		 3149 if (!clen)
3150 clen = strlen(cname);
3151
81bc1258
JH		 3152 if (clen > 4
3153 && (stricmp(&cname[clen-4], ".bat") == 0
3154 || (IsWinNT() && stricmp(&cname[clen-4], ".cmd") == 0)))
3155 {
3156 bat_file = TRUE;
3157 len += 3;
3158 }
dd7038b3
JH		 3159 else {
3160 char *exe = strrchr(cname, '/');
3161 char *exe2 = strrchr(cname, '\\');
3162 if (exe2 > exe)
3163 exe = exe2;
3164 if (exe)
3165 ++exe;
3166 else
3167 exe = cname;
3168 if (stricmp(exe, "cmd.exe") == 0 || stricmp(exe, "cmd") == 0) {
3169 cmd_shell = TRUE;
3170 len += 3;
3171 }
7b11e424
JH		 3172 else if (stricmp(exe, "command.com") == 0
3173 || stricmp(exe, "command") == 0)
3174 {
3175 dumb_shell = TRUE;
3176 }
81bc1258 3177 }
b309b8ae 3178 }
0aaad0ff 3179
b309b8ae
JH		 3180 DEBUG_p(PerlIO_printf(Perl_debug_log, "Args "));
3181 for (index = 0; (arg = (char*)args[index]) != NULL; ++index) {
3182 STRLEN curlen = strlen(arg);
3183 if (!(arg[0] == '"' && arg[curlen-1] == '"'))
3184 len += 2; /* assume quoting needed (worst case) */
3185 len += curlen + 1;
3186 DEBUG_p(PerlIO_printf(Perl_debug_log, "[%s]",arg));
3187 }
3188 DEBUG_p(PerlIO_printf(Perl_debug_log, "\n"));
0aaad0ff 3189
b309b8ae 3190 argc = index;
0aaad0ff
GS		 3191 New(1310, cmd, len, char);
3192 ptr = cmd;
0aaad0ff 3193
81bc1258
JH		 3194 if (bat_file) {
3195 *ptr++ = '"';
3196 extra_quotes = TRUE;
3197 }
3198
0aaad0ff 3199 for (index = 0; (arg = (char*)args[index]) != NULL; ++index) {
b309b8ae
JH		 3200 bool do_quote = 0;
3201 STRLEN curlen = strlen(arg);
3202
81bc1258
JH		 3203 /* we want to protect empty arguments and ones with spaces with
3204 * dquotes, but only if they aren't already there */
7b11e424
JH		 3205 if (!dumb_shell) {
3206 if (!curlen) {
3207 do_quote = 1;
3208 }
02ef22d5
JH		 3209 else if (quote_next) {
3210 /* see if it really is multiple arguments pretending to
3211 * be one and force a set of quotes around it */
3212 if (*find_next_space(arg))
3213 do_quote = 1;
3214 }
7b11e424
JH		 3215 else if (!(arg[0] == '"' && curlen > 1 && arg[curlen-1] == '"')) {
3216 STRLEN i = 0;
3217 while (i < curlen) {
3218 if (isSPACE(arg[i])) {
3219 do_quote = 1;
02ef22d5
JH		 3220 }
3221 else if (arg[i] == '"') {
3222 do_quote = 0;
7b11e424
JH		 3223 break;
3224 }
3225 i++;
b309b8ae 3226 }
b309b8ae 3227 }
dd7038b3 3228 }
b309b8ae
JH		 3229
3230 if (do_quote)
3231 *ptr++ = '"';
3232
18a945d4 3233 strcpy(ptr, arg);
b309b8ae
JH		 3234 ptr += curlen;
3235
3236 if (do_quote)
3237 *ptr++ = '"';
3238
3239 if (args[index+1])
3240 *ptr++ = ' ';
3241
81bc1258
JH		 3242 if (!extra_quotes
3243 && cmd_shell
dd7038b3 3244 && (stricmp(arg, "/x/c") == 0 || stricmp(arg, "/c") == 0))
b309b8ae 3245 {
dd7038b3
JH		 3246 /* is there a next argument? */
3247 if (args[index+1]) {
3248 /* are there two or more next arguments? */
3249 if (args[index+2]) {
3250 *ptr++ = '"';
3251 extra_quotes = TRUE;
3252 }
3253 else {
02ef22d5 3254 /* single argument, force quoting if it has spaces */
dd7038b3
JH		 3255 quote_next = TRUE;
3256 }
3257 }
b309b8ae 3258 }
0aaad0ff
GS		 3259 }
3260
b309b8ae
JH		 3261 if (extra_quotes)
3262 *ptr++ = '"';
3263
3264 *ptr = '\0';
3265
0aaad0ff
GS		 3266 return cmd;
3267}
3268
3269static char *
3270qualified_path(const char *cmd)
3271{
acfe0abc 3272 dTHX;
0aaad0ff
GS		 3273 char *pathstr;
3274 char *fullcmd, *curfullcmd;
3275 STRLEN cmdlen = 0;
3276 int has_slash = 0;
3277
3278 if (!cmd)
3279 return Nullch;
3280 fullcmd = (char*)cmd;
3281 while (*fullcmd) {
3282 if (*fullcmd == '/' || *fullcmd == '\\')
3283 has_slash++;
3284 fullcmd++;
3285 cmdlen++;
3286 }
3287
3288 /* look in PATH */
2fb9ab56 3289 pathstr = PerlEnv_getenv("PATH");
0aaad0ff
GS		 3290 New(0, fullcmd, MAX_PATH+1, char);
3291 curfullcmd = fullcmd;
3292
3293 while (1) {
3294 DWORD res;
3295
3296 /* start by appending the name to the current prefix */
3297 strcpy(curfullcmd, cmd);
3298 curfullcmd += cmdlen;
3299
3300 /* if it doesn't end with '.', or has no extension, try adding
3301 * a trailing .exe first */
3302 if (cmd[cmdlen-1] != '.'
3303 && (cmdlen < 4 || cmd[cmdlen-4] != '.'))
3304 {
3305 strcpy(curfullcmd, ".exe");
3306 res = GetFileAttributes(fullcmd);
3307 if (res != 0xFFFFFFFF && !(res & FILE_ATTRIBUTE_DIRECTORY))
3308 return fullcmd;
3309 *curfullcmd = '\0';
3310 }
3311
3312 /* that failed, try the bare name */
3313 res = GetFileAttributes(fullcmd);
3314 if (res != 0xFFFFFFFF && !(res & FILE_ATTRIBUTE_DIRECTORY))
3315 return fullcmd;
3316
3317 /* quit if no other path exists, or if cmd already has path */
3318 if (!pathstr || !*pathstr || has_slash)
3319 break;
3320
3321 /* skip leading semis */
3322 while (*pathstr == ';')
3323 pathstr++;
3324
3325 /* build a new prefix from scratch */
3326 curfullcmd = fullcmd;
3327 while (*pathstr && *pathstr != ';') {
3328 if (*pathstr == '"') { /* foo;"baz;etc";bar */
3329 pathstr++; /* skip initial '"' */
3330 while (*pathstr && *pathstr != '"') {
3331 if (curfullcmd-fullcmd < MAX_PATH-cmdlen-5)
3332 *curfullcmd++ = *pathstr;
3333 pathstr++;
3334 }
3335 if (*pathstr)
3336 pathstr++; /* skip trailing '"' */
3337 }
3338 else {
3339 if (curfullcmd-fullcmd < MAX_PATH-cmdlen-5)
3340 *curfullcmd++ = *pathstr;
3341 pathstr++;
3342 }
3343 }
3344 if (*pathstr)
3345 pathstr++; /* skip trailing semi */
3346 if (curfullcmd > fullcmd /* append a dir separator */
3347 && curfullcmd[-1] != '/' && curfullcmd[-1] != '\\')
3348 {
3349 *curfullcmd++ = '\\';
3350 }
3351 }
3352GIVE_UP:
3353 Safefree(fullcmd);
3354 return Nullch;
3355}
3356
3075ddba
GS		 3357/* The following are just place holders.
3358 * Some hosts may provide and environment that the OS is
3359 * not tracking, therefore, these host must provide that
3360 * environment and the current directory to CreateProcess
3361 */
3362
df3728a2
JH		 3363DllExport void*
3364win32_get_childenv(void)
3075ddba
GS		 3365{
3366 return NULL;
3367}
3368
df3728a2
JH		 3369DllExport void
3370win32_free_childenv(void* d)
3075ddba
GS		 3371{
3372}
3373
df3728a2
JH		 3374DllExport void
3375win32_clearenv(void)
3376{
3377 char *envv = GetEnvironmentStrings();
3378 char *cur = envv;
3379 STRLEN len;
3380 while (*cur) {
3381 char *end = strchr(cur,'=');
3382 if (end && end != cur) {
3383 *end = '\0';
3384 SetEnvironmentVariable(cur, NULL);
3385 *end = '=';
3386 cur = end + strlen(end+1)+2;
3387 }
3388 else if ((len = strlen(cur)))
3389 cur += len+1;
3390 }
3391 FreeEnvironmentStrings(envv);
3392}
3393
3394DllExport char*
3395win32_get_childdir(void)
3075ddba 3396{
acfe0abc 3397 dTHX;
7766f137
GS		 3398 char* ptr;
3399 char szfilename[(MAX_PATH+1)*2];
3400 if (USING_WIDE()) {
3401 WCHAR wfilename[MAX_PATH+1];
3402 GetCurrentDirectoryW(MAX_PATH+1, wfilename);
3403 W2AHELPER(wfilename, szfilename, sizeof(szfilename));
3404 }
3405 else {
3406 GetCurrentDirectoryA(MAX_PATH+1, szfilename);
3407 }
3408
3409 New(0, ptr, strlen(szfilename)+1, char);
3410 strcpy(ptr, szfilename);
3411 return ptr;
3075ddba
GS		 3412}
3413
df3728a2
JH		 3414DllExport void
3415win32_free_childdir(char* d)
3075ddba 3416{
acfe0abc 3417 dTHX;
7766f137 3418 Safefree(d);
3075ddba
GS		 3419}
3420
3421
0aaad0ff
GS		 3422/* XXX this needs to be made more compatible with the spawnvp()
3423 * provided by the various RTLs. In particular, searching for
3424 * *.{com,bat,cmd} files (as done by the RTLs) is unimplemented.
3425 * This doesn't significantly affect perl itself, because we
3426 * always invoke things using PERL5SHELL if a direct attempt to
3427 * spawn the executable fails.
3428 *
3429 * XXX splitting and rejoining the commandline between do_aspawn()
3430 * and win32_spawnvp() could also be avoided.
3431 */
3432
5aabfad6 3433DllExport int
3e3baf6d 3434win32_spawnvp(int mode, const char *cmdname, const char *const *argv)
0a753a76 3435{
0aaad0ff
GS		 3436#ifdef USE_RTL_SPAWNVP
3437 return spawnvp(mode, cmdname, (char * const *)argv);
3438#else
acfe0abc 3439 dTHX;
2b260de0 3440 int ret;
3075ddba
GS		 3441 void* env;
3442 char* dir;
635bbe87 3443 child_IO_table tbl;
0aaad0ff
GS		 3444 STARTUPINFO StartupInfo;
3445 PROCESS_INFORMATION ProcessInformation;
3446 DWORD create = 0;
dd7038b3 3447 char *cmd;
0aaad0ff 3448 char *fullcmd = Nullch;
dd7038b3
JH		 3449 char *cname = (char *)cmdname;
3450 STRLEN clen = 0;
3451
3452 if (cname) {
3453 clen = strlen(cname);
3454 /* if command name contains dquotes, must remove them */
3455 if (strchr(cname, '"')) {
3456 cmd = cname;
3457 New(0,cname,clen+1,char);
3458 clen = 0;
3459 while (*cmd) {
3460 if (*cmd != '"') {
3461 cname[clen] = *cmd;
3462 ++clen;
3463 }
3464 ++cmd;
3465 }
3466 cname[clen] = '\0';
3467 }
3468 }
3469
3470 cmd = create_command_line(cname, clen, argv);
0aaad0ff 3471
3075ddba
GS		 3472 env = PerlEnv_get_childenv();
3473 dir = PerlEnv_get_childdir();
3474
0aaad0ff
GS		 3475 switch(mode) {
3476 case P_NOWAIT: /* asynch + remember result */
3477 if (w32_num_children >= MAXIMUM_WAIT_OBJECTS) {
3478 errno = EAGAIN;
3479 ret = -1;
3480 goto RETVAL;
3481 }
3482 /* FALL THROUGH */
3483 case P_WAIT: /* synchronous execution */
3484 break;
3485 default: /* invalid mode */
3486 errno = EINVAL;
3487 ret = -1;
3488 goto RETVAL;
3489 }
3490 memset(&StartupInfo,0,sizeof(StartupInfo));
3491 StartupInfo.cb = sizeof(StartupInfo);
f83751a7 3492 memset(&tbl,0,sizeof(tbl));
635bbe87 3493 PerlEnv_get_child_IO(&tbl);
f83751a7
GS		 3494 StartupInfo.dwFlags = tbl.dwFlags;
3495 StartupInfo.dwX = tbl.dwX;
3496 StartupInfo.dwY = tbl.dwY;
3497 StartupInfo.dwXSize = tbl.dwXSize;
3498 StartupInfo.dwYSize = tbl.dwYSize;
3499 StartupInfo.dwXCountChars = tbl.dwXCountChars;
3500 StartupInfo.dwYCountChars = tbl.dwYCountChars;
3501 StartupInfo.dwFillAttribute = tbl.dwFillAttribute;
3502 StartupInfo.wShowWindow = tbl.wShowWindow;
3503 StartupInfo.hStdInput = tbl.childStdIn;
3504 StartupInfo.hStdOutput = tbl.childStdOut;
3505 StartupInfo.hStdError = tbl.childStdErr;
3ffaa937
GS		 3506 if (StartupInfo.hStdInput != INVALID_HANDLE_VALUE &&
3507 StartupInfo.hStdOutput != INVALID_HANDLE_VALUE &&
3508 StartupInfo.hStdError != INVALID_HANDLE_VALUE)
3509 {
3510 StartupInfo.dwFlags |= STARTF_USESTDHANDLES;
3511 }
3512 else {
3513 create |= CREATE_NEW_CONSOLE;
3514 }
3515
b309b8ae 3516 DEBUG_p(PerlIO_printf(Perl_debug_log, "Spawning [%s] with [%s]\n",
dd7038b3 3517 cname,cmd));
0aaad0ff 3518RETRY:
dd7038b3 3519 if (!CreateProcess(cname, /* search PATH to find executable */
0aaad0ff
GS		 3520 cmd, /* executable, and its arguments */
3521 NULL, /* process attributes */
3522 NULL, /* thread attributes */
3523 TRUE, /* inherit handles */
3524 create, /* creation flags */
3075ddba
GS		 3525 (LPVOID)env, /* inherit environment */
3526 dir, /* inherit cwd */
0aaad0ff
GS		 3527 &StartupInfo,
3528 &ProcessInformation))
3529 {
3530 /* initial NULL argument to CreateProcess() does a PATH
3531 * search, but it always first looks in the directory
3532 * where the current process was started, which behavior
3533 * is undesirable for backward compatibility. So we
3534 * jump through our own hoops by picking out the path
3535 * we really want it to use. */
3536 if (!fullcmd) {
dd7038b3 3537 fullcmd = qualified_path(cname);
0aaad0ff 3538 if (fullcmd) {
dd7038b3
JH		 3539 if (cname != cmdname)
3540 Safefree(cname);
3541 cname = fullcmd;
b309b8ae
JH		 3542 DEBUG_p(PerlIO_printf(Perl_debug_log,
3543 "Retrying [%s] with same args\n",
dd7038b3 3544 cname));
0aaad0ff
GS		 3545 goto RETRY;
3546 }
3547 }
3548 errno = ENOENT;
3549 ret = -1;
3550 goto RETVAL;
3551 }
2d7a9237 3552
0aaad0ff
GS		 3553 if (mode == P_NOWAIT) {
3554 /* asynchronous spawn -- store handle, return PID */
2b260de0 3555 ret = (int)ProcessInformation.dwProcessId;
922b1888
GS		 3556 if (IsWin95() && ret < 0)
3557 ret = -ret;
3558
3559 w32_child_handles[w32_num_children] = ProcessInformation.hProcess;
3560 w32_child_pids[w32_num_children] = (DWORD)ret;
0aaad0ff
GS		 3561 ++w32_num_children;
3562 }
3563 else {
2b260de0 3564 DWORD status;
0aaad0ff 3565 WaitForSingleObject(ProcessInformation.hProcess, INFINITE);
2b260de0
GS		 3566 GetExitCodeProcess(ProcessInformation.hProcess, &status);
3567 ret = (int)status;
0aaad0ff
GS		 3568 CloseHandle(ProcessInformation.hProcess);
3569 }
e17cb2a9 3570
0aaad0ff 3571 CloseHandle(ProcessInformation.hThread);
3075ddba 3572
0aaad0ff 3573RETVAL:
3075ddba
GS		 3574 PerlEnv_free_childenv(env);
3575 PerlEnv_free_childdir(dir);
0aaad0ff 3576 Safefree(cmd);
dd7038b3
JH		 3577 if (cname != cmdname)
3578 Safefree(cname);
2b260de0 3579 return ret;
2d7a9237 3580#endif
0a753a76
PP		 3581}
3582
6890e559 3583DllExport int
eb62e965
JD		 3584win32_execv(const char *cmdname, const char *const *argv)
3585{
7766f137 3586#ifdef USE_ITHREADS
acfe0abc 3587 dTHX;
7766f137
GS		 3588 /* if this is a pseudo-forked child, we just want to spawn
3589 * the new program, and return */
3590 if (w32_pseudo_id)
3591 return spawnv(P_WAIT, cmdname, (char *const *)argv);
3592#endif
eb62e965
JD		 3593 return execv(cmdname, (char *const *)argv);
3594}
3595
3596DllExport int
6890e559
GS		 3597win32_execvp(const char *cmdname, const char *const *argv)
3598{
7766f137 3599#ifdef USE_ITHREADS
acfe0abc 3600 dTHX;
7766f137
GS		 3601 /* if this is a pseudo-forked child, we just want to spawn
3602 * the new program, and return */
190e4ad0 3603 if (w32_pseudo_id) {
ba6ce41c
GS		 3604 int status = win32_spawnvp(P_WAIT, cmdname, (char *const *)argv);
3605 if (status != -1) {
3606 my_exit(status);
3607 return 0;
3608 }
3609 else
3610 return status;
190e4ad0 3611 }
7766f137 3612#endif
390b85e7 3613 return execvp(cmdname, (char *const *)argv);
6890e559
GS		 3614}
3615
84902520
TB		 3616DllExport void
3617win32_perror(const char *str)
3618{
390b85e7 3619 perror(str);
84902520
TB		 3620}
3621
3622DllExport void
3623win32_setbuf(FILE *pf, char *buf)
3624{
390b85e7 3625 setbuf(pf, buf);
84902520
TB		 3626}
3627
3628DllExport int
3629win32_setvbuf(FILE *pf, char *buf, int type, size_t size)
3630{
390b85e7 3631 return setvbuf(pf, buf, type, size);
84902520
TB		 3632}
3633
3634DllExport int
3635win32_flushall(void)
3636{
390b85e7 3637 return flushall();
84902520
TB		 3638}
3639
3640DllExport int
3641win32_fcloseall(void)
3642{
390b85e7 3643 return fcloseall();
84902520
TB		 3644}
3645
3646DllExport char*
3647win32_fgets(char *s, int n, FILE *pf)
3648{
390b85e7 3649 return fgets(s, n, pf);
84902520
TB		 3650}
3651