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I think #29060 / #29073 missed this
[perl5.git] / win32 / win32.c
CommitLineData
68dc0745 1/* WIN32.C
2 *
3fadfdf1 3 * (c) 1995 Microsoft Corporation. All rights reserved.
68dc0745 4 * Developed by hip communications inc., http://info.hip.com/info/
5 * Portions (c) 1993 Intergraph Corporation. All rights reserved.
6 *
7 * You may distribute under the terms of either the GNU General Public
8 * License or the Artistic License, as specified in the README file.
9 */
3fadfdf1 10#define PERLIO_NOT_STDIO 0
0a753a76 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>
aeecf691
JD		 18#ifndef HWND_MESSAGE
19# define HWND_MESSAGE ((HWND)-3)
20#endif
5db10396
GS		 21#include <winnt.h>
22#include <io.h>
c843839f 23#include <signal.h>
0a753a76 24
68dc0745 25/* #include "config.h" */
0a753a76 26
0a753a76 27#if !defined(PERLIO_IS_STDIO) && !defined(USE_SFIO)
28#define PerlIO FILE
29#endif
30
7a9ec5a3 31#include <sys/stat.h>
0a753a76 32#include "EXTERN.h"
33#include "perl.h"
c69f6586 34
d06fc7d4
SP		 35/* GCC-2.95.2/Mingw32-1.1 forgot the WINAPI on CommandLineToArgvW() */
36#if defined(__MINGW32__) && (__MINGW32_MAJOR_VERSION==1)
37# include <shellapi.h>
38#else
39EXTERN_C LPWSTR* WINAPI CommandLineToArgvW(LPCWSTR lpCommandLine, int * pNumArgs);
40#endif
41
c69f6586 42#define NO_XSLOCKS
c5be433b 43#define PERL_NO_GET_CONTEXT
ad2e33dc 44#include "XSUB.h"
c69f6586
GS		 45
46#include "Win32iop.h"
0a753a76 47#include <fcntl.h>
5b0d9cbe
NIS		 48#ifndef __GNUC__
49/* assert.h conflicts with #define of assert in perl.h */
0a753a76 50#include <assert.h>
5b0d9cbe 51#endif
0a753a76 52#include <string.h>
53#include <stdarg.h>
ad2e33dc 54#include <float.h>
ad0751ec 55#include <time.h>
3730b96e 56#if defined(_MSC_VER) || defined(__MINGW32__)
ad0751ec
GS		 57#include <sys/utime.h>
58#else
59#include <utime.h>
60#endif
5b0d9cbe 61#ifdef __GNUC__
3fadfdf1 62/* Mingw32 defaults to globing command line
5b0d9cbe
NIS		 63 * So we turn it off like this:
64 */
65int _CRT_glob = 0;
66#endif
67
7c5b6093
AB		 68#if defined(__MINGW32__) && (__MINGW32_MAJOR_VERSION==1)
69/* Mingw32-1.1 is missing some prototypes */
d06fc7d4 70START_EXTERN_C
f8fb7c90
GS		 71FILE * _wfopen(LPCWSTR wszFileName, LPCWSTR wszMode);
72FILE * _wfdopen(int nFd, LPCWSTR wszMode);
73FILE * _freopen(LPCWSTR wszFileName, LPCWSTR wszMode, FILE * pOldStream);
74int _flushall();
75int _fcloseall();
d06fc7d4 76END_EXTERN_C
2b260de0
GS		 77#endif
78
79#if defined(__BORLANDC__)
0b94c7bb
GS		 80# define _stat stat
81# define _utimbuf utimbuf
82#endif
83
6890e559
GS		 84#define EXECF_EXEC 1
85#define EXECF_SPAWN 2
86#define EXECF_SPAWN_NOWAIT 3
87
32e30700
GS		 88#if defined(PERL_IMPLICIT_SYS)
89# undef win32_get_privlib
90# define win32_get_privlib g_win32_get_privlib
91# undef win32_get_sitelib
92# define win32_get_sitelib g_win32_get_sitelib
4ea817c6
GS		 93# undef win32_get_vendorlib
94# define win32_get_vendorlib g_win32_get_vendorlib
32e30700
GS		 95# undef getlogin
96# define getlogin g_getlogin
97#endif
98
ce1da67e 99static void get_shell(void);
dff6d3cd 100static long tokenize(const char *str, char **dest, char ***destv);
08039b81
SH		 101static int do_spawn2(pTHX_ const char *cmd, int exectype);
102static BOOL has_shell_metachars(const char *ptr);
2d7a9237 103static long filetime_to_clock(PFILETIME ft);
ad0751ec 104static BOOL filetime_from_time(PFILETIME ft, time_t t);
c5be433b 105static char * get_emd_part(SV **leading, char *trailing, ...);
0aaad0ff
GS		 106static void remove_dead_process(long deceased);
107static long find_pid(int pid);
108static char * qualified_path(const char *cmd);
4ea817c6
GS		 109static char * win32_get_xlib(const char *pl, const char *xlib,
110 const char *libname);
111
7766f137
GS		 112#ifdef USE_ITHREADS
113static void remove_dead_pseudo_process(long child);
114static long find_pseudo_pid(int pid);
115#endif
c69f6586 116
7766f137 117START_EXTERN_C
2d7a9237 118HANDLE w32_perldll_handle = INVALID_HANDLE_VALUE;
8ac9c18d 119char w32_module_name[MAX_PATH+1];
7766f137
GS		 120END_EXTERN_C
121
aeecf691 122static OSVERSIONINFO g_osver = {0, 0, 0, 0, 0, ""};
50892819 123
7766f137
GS		 124#define ONE_K_BUFSIZE 1024
125
3a00b83e
SH		 126#ifdef __BORLANDC__
127/* Silence STDERR grumblings from Borland's math library. */
128DllExport int
129_matherr(struct _exception *a)
130{
131 PERL_UNUSED_VAR(a);
132 return 1;
133}
134#endif
135
0448a0bd
SH		 136#if _MSC_VER >= 1400
137void my_invalid_parameter_handler(const wchar_t* expression,
138 const wchar_t* function,
139 const wchar_t* file,
140 unsigned int line,
141 uintptr_t pReserved)
142{
143# ifdef _DEBUG
144 wprintf(L"Invalid parameter detected in function %s."
145 L" File: %s Line: %d\n", function, file, line);
146 wprintf(L"Expression: %s\n", expression);
147# endif
148}
149#endif
150
3fadfdf1 151int
ba106d47
GS		 152IsWin95(void)
153{
aeecf691 154 return (g_osver.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS);
3fe9a6f1 155}
156
157int
ba106d47
GS		 158IsWinNT(void)
159{
aeecf691 160 return (g_osver.dwPlatformId == VER_PLATFORM_WIN32_NT);
3fe9a6f1 161}
0a753a76 162
2fa86c13
GS		 163EXTERN_C void
164set_w32_module_name(void)
165{
166 char* ptr;
167 GetModuleFileName((HMODULE)((w32_perldll_handle == INVALID_HANDLE_VALUE)
168 ? GetModuleHandle(NULL)
169 : w32_perldll_handle),
170 w32_module_name, sizeof(w32_module_name));
171
be9da6a9
JD		 172 /* remove \\?\ prefix */
173 if (memcmp(w32_module_name, "\\\\?\\", 4) == 0)
174 memmove(w32_module_name, w32_module_name+4, strlen(w32_module_name+4)+1);
175
2fa86c13
GS		 176 /* try to get full path to binary (which may be mangled when perl is
177 * run from a 16-bit app) */
178 /*PerlIO_printf(Perl_debug_log, "Before %s\n", w32_module_name);*/
179 (void)win32_longpath(w32_module_name);
180 /*PerlIO_printf(Perl_debug_log, "After %s\n", w32_module_name);*/
181
182 /* normalize to forward slashes */
183 ptr = w32_module_name;
184 while (*ptr) {
185 if (*ptr == '\\')
186 *ptr = '/';
187 ++ptr;
188 }
189}
190
c5be433b 191/* *svp (if non-NULL) is expected to be POK (valid allocated SvPVX(*svp)) */
51371543 192static char*
c5be433b 193get_regstr_from(HKEY hkey, const char *valuename, SV **svp)
349ad1fe
GS		 194{
195 /* Retrieve a REG_SZ or REG_EXPAND_SZ from the registry */
00dc2f4f
GS		 196 HKEY handle;
197 DWORD type;
198 const char *subkey = "Software\\Perl";
349ad1fe 199 char *str = Nullch;
00dc2f4f
GS		 200 long retval;
201
202 retval = RegOpenKeyEx(hkey, subkey, 0, KEY_READ, &handle);
349ad1fe 203 if (retval == ERROR_SUCCESS) {
51371543
GS		 204 DWORD datalen;
205 retval = RegQueryValueEx(handle, valuename, 0, &type, NULL, &datalen);
1c94caf4
GS		 206 if (retval == ERROR_SUCCESS
207 && (type == REG_SZ || type == REG_EXPAND_SZ))
208 {
acfe0abc 209 dTHX;
c5be433b
GS		 210 if (!*svp)
211 *svp = sv_2mortal(newSVpvn("",0));
212 SvGROW(*svp, datalen);
51371543 213 retval = RegQueryValueEx(handle, valuename, 0, NULL,
c5be433b 214 (PBYTE)SvPVX(*svp), &datalen);
51371543 215 if (retval == ERROR_SUCCESS) {
c5be433b
GS		 216 str = SvPVX(*svp);
217 SvCUR_set(*svp,datalen-1);
51371543 218 }
00dc2f4f
GS		 219 }
220 RegCloseKey(handle);
221 }
349ad1fe 222 return str;
00dc2f4f
GS		 223}
224
c5be433b 225/* *svp (if non-NULL) is expected to be POK (valid allocated SvPVX(*svp)) */
51371543 226static char*
c5be433b 227get_regstr(const char *valuename, SV **svp)
00dc2f4f 228{
c5be433b 229 char *str = get_regstr_from(HKEY_CURRENT_USER, valuename, svp);
349ad1fe 230 if (!str)
c5be433b 231 str = get_regstr_from(HKEY_LOCAL_MACHINE, valuename, svp);
349ad1fe 232 return str;
00dc2f4f
GS		 233}
234
c5be433b 235/* *prev_pathp (if non-NULL) is expected to be POK (valid allocated SvPVX(sv)) */
e5a95ffb 236static char *
c5be433b 237get_emd_part(SV **prev_pathp, char *trailing_path, ...)
00dc2f4f 238{
dc9e4912 239 char base[10];
e5a95ffb 240 va_list ap;
e24c7c18 241 char mod_name[MAX_PATH+1];
00dc2f4f 242 char *ptr;
e5a95ffb
GS		 243 char *optr;
244 char *strip;
273cf8d1 245 STRLEN baselen;
e5a95ffb
GS		 246
247 va_start(ap, trailing_path);
248 strip = va_arg(ap, char *);
249
273cf8d1
GS		 250 sprintf(base, "%d.%d", (int)PERL_REVISION, (int)PERL_VERSION);
251 baselen = strlen(base);
dc9e4912 252
8ac9c18d 253 if (!*w32_module_name) {
2fa86c13 254 set_w32_module_name();
95140b98 255 }
8ac9c18d 256 strcpy(mod_name, w32_module_name);
95140b98 257 ptr = strrchr(mod_name, '/');
e5a95ffb
GS		 258 while (ptr && strip) {
259 /* look for directories to skip back */
260 optr = ptr;
00dc2f4f 261 *ptr = '\0';
95140b98 262 ptr = strrchr(mod_name, '/');
1c39adb2
GS		 263 /* avoid stripping component if there is no slash,
264 * or it doesn't match ... */
e5a95ffb 265 if (!ptr || stricmp(ptr+1, strip) != 0) {
273cf8d1 266 /* ... but not if component matches m|5\.$patchlevel.*| */
1c39adb2 267 if (!ptr || !(*strip == '5' && *(ptr+1) == '5'
273cf8d1
GS		 268 && strncmp(strip, base, baselen) == 0
269 && strncmp(ptr+1, base, baselen) == 0))
95140b98
GS		 270 {
271 *optr = '/';
80252599
GS		 272 ptr = optr;
273 }
00dc2f4f 274 }
e5a95ffb 275 strip = va_arg(ap, char *);
00dc2f4f 276 }
e5a95ffb
GS		 277 if (!ptr) {
278 ptr = mod_name;
279 *ptr++ = '.';
95140b98 280 *ptr = '/';
00dc2f4f 281 }
e5a95ffb
GS		 282 va_end(ap);
283 strcpy(++ptr, trailing_path);
284
dc9e4912 285 /* only add directory if it exists */
349ad1fe 286 if (GetFileAttributes(mod_name) != (DWORD) -1) {
dc9e4912 287 /* directory exists */
acfe0abc 288 dTHX;
c5be433b
GS		 289 if (!*prev_pathp)
290 *prev_pathp = sv_2mortal(newSVpvn("",0));
f0c8bec2
SH		 291 else if (SvPVX(*prev_pathp))
292 sv_catpvn(*prev_pathp, ";", 1);
c5be433b
GS		 293 sv_catpv(*prev_pathp, mod_name);
294 return SvPVX(*prev_pathp);
00dc2f4f 295 }
00dc2f4f 296
cf11f4bf 297 return Nullch;
00dc2f4f
GS		 298}
299
300char *
4ea817c6 301win32_get_privlib(const char *pl)
00dc2f4f 302{
acfe0abc 303 dTHX;
e5a95ffb
GS		 304 char *stdlib = "lib";
305 char buffer[MAX_PATH+1];
51371543 306 SV *sv = Nullsv;
00dc2f4f 307
e5a95ffb
GS		 308 /* $stdlib = $HKCU{"lib-$]"} || $HKLM{"lib-$]"} || $HKCU{"lib"} || $HKLM{"lib"} || ""; */
309 sprintf(buffer, "%s-%s", stdlib, pl);
c5be433b
GS		 310 if (!get_regstr(buffer, &sv))
311 (void)get_regstr(stdlib, &sv);
00dc2f4f 312
e5a95ffb 313 /* $stdlib .= ";$EMD/../../lib" */
c5be433b 314 return get_emd_part(&sv, stdlib, ARCHNAME, "bin", Nullch);
00dc2f4f
GS		 315}
316
4ea817c6
GS		 317static char *
318win32_get_xlib(const char *pl, const char *xlib, const char *libname)
00dc2f4f 319{
acfe0abc 320 dTHX;
e5a95ffb 321 char regstr[40];
e24c7c18 322 char pathstr[MAX_PATH+1];
51371543
GS		 323 SV *sv1 = Nullsv;
324 SV *sv2 = Nullsv;
00dc2f4f 325
4ea817c6
GS		 326 /* $HKCU{"$xlib-$]"} || $HKLM{"$xlib-$]"} . ---; */
327 sprintf(regstr, "%s-%s", xlib, pl);
c5be433b 328 (void)get_regstr(regstr, &sv1);
e5a95ffb 329
4ea817c6
GS		 330 /* $xlib .=
331 * ";$EMD/" . ((-d $EMD/../../../$]) ? "../../.." : "../.."). "/$libname/$]/lib"; */
332 sprintf(pathstr, "%s/%s/lib", libname, pl);
c5be433b 333 (void)get_emd_part(&sv1, pathstr, ARCHNAME, "bin", pl, Nullch);
00dc2f4f 334
4ea817c6
GS		 335 /* $HKCU{$xlib} || $HKLM{$xlib} . ---; */
336 (void)get_regstr(xlib, &sv2);
00dc2f4f 337
4ea817c6
GS		 338 /* $xlib .=
339 * ";$EMD/" . ((-d $EMD/../../../$]) ? "../../.." : "../.."). "/$libname/lib"; */
340 sprintf(pathstr, "%s/lib", libname);
341 (void)get_emd_part(&sv2, pathstr, ARCHNAME, "bin", pl, Nullch);
e5a95ffb 342
51371543
GS		 343 if (!sv1 && !sv2)
344 return Nullch;
345 if (!sv1)
346 return SvPVX(sv2);
347 if (!sv2)
348 return SvPVX(sv1);
e5a95ffb 349
349ad1fe
GS		 350 sv_catpvn(sv1, ";", 1);
351 sv_catsv(sv1, sv2);
e5a95ffb 352
349ad1fe 353 return SvPVX(sv1);
68dc0745 354}
0a753a76 355
4ea817c6
GS		 356char *
357win32_get_sitelib(const char *pl)
358{
359 return win32_get_xlib(pl, "sitelib", "site");
360}
361
362#ifndef PERL_VENDORLIB_NAME
363# define PERL_VENDORLIB_NAME "vendor"
364#endif
365
366char *
367win32_get_vendorlib(const char *pl)
368{
369 return win32_get_xlib(pl, "vendorlib", PERL_VENDORLIB_NAME);
370}
b4793f7f 371
2d7a9237 372static BOOL
08039b81 373has_shell_metachars(const char *ptr)
68dc0745 374{
375 int inquote = 0;
376 char quote = '\0';
377
378 /*
379 * Scan string looking for redirection (< or >) or pipe
e200fe59
JD		 380 * characters (|) that are not in a quoted string.
381 * Shell variable interpolation (%VAR%) can also happen inside strings.
68dc0745 382 */
9404a519 383 while (*ptr) {
68dc0745 384 switch(*ptr) {
e200fe59
JD		 385 case '%':
386 return TRUE;
68dc0745 387 case '\'':
388 case '\"':
9404a519
GS		 389 if (inquote) {
390 if (quote == *ptr) {
68dc0745 391 inquote = 0;
392 quote = '\0';
0a753a76 393 }
68dc0745 394 }
395 else {
396 quote = *ptr;
397 inquote++;
398 }
399 break;
400 case '>':
401 case '<':
402 case '|':
9404a519 403 if (!inquote)
68dc0745 404 return TRUE;
405 default:
406 break;
0a753a76 407 }
68dc0745 408 ++ptr;
409 }
410 return FALSE;
0a753a76 411}
412
32e30700 413#if !defined(PERL_IMPLICIT_SYS)
68dc0745 414/* since the current process environment is being updated in util.c
415 * the library functions will get the correct environment
416 */
417PerlIO *
79d39d80 418Perl_my_popen(pTHX_ const char *cmd, const char *mode)
0a753a76 419{
420#ifdef FIXCMD
7766f137
GS		 421#define fixcmd(x) { \
422 char *pspace = strchr((x),' '); \
423 if (pspace) { \
424 char *p = (x); \
425 while (p < pspace) { \
426 if (*p == '/') \
427 *p = '\\'; \
428 p++; \
429 } \
430 } \
431 }
0a753a76 432#else
433#define fixcmd(x)
434#endif
68dc0745 435 fixcmd(cmd);
45bc9206 436 PERL_FLUSHALL_FOR_CHILD;
0a753a76 437 return win32_popen(cmd, mode);
0a753a76 438}
439
68dc0745 440long
4f63d024 441Perl_my_pclose(pTHX_ PerlIO *fp)
0a753a76 442{
443 return win32_pclose(fp);
444}
c69f6586 445#endif
0a753a76 446
0cb96387
GS		 447DllExport unsigned long
448win32_os_id(void)
0a753a76 449{
aeecf691 450 return (unsigned long)g_osver.dwPlatformId;
0a753a76 451}
452
7766f137
GS		 453DllExport int
454win32_getpid(void)
455{
922b1888 456 int pid;
7766f137 457#ifdef USE_ITHREADS
acfe0abc 458 dTHX;
7766f137
GS		 459 if (w32_pseudo_id)
460 return -((int)w32_pseudo_id);
461#endif
922b1888
GS		 462 pid = _getpid();
463 /* Windows 9x appears to always reports a pid for threads and processes
464 * that has the high bit set. So we treat the lower 31 bits as the
465 * "real" PID for Perl's purposes. */
466 if (IsWin95() && pid < 0)
467 pid = -pid;
468 return pid;
7766f137
GS		 469}
470
ce1da67e
GS		 471/* Tokenize a string. Words are null-separated, and the list
472 * ends with a doubled null. Any character (except null and
473 * including backslash) may be escaped by preceding it with a
474 * backslash (the backslash will be stripped).
475 * Returns number of words in result buffer.
476 */
477static long
dff6d3cd 478tokenize(const char *str, char **dest, char ***destv)
ce1da67e
GS		 479{
480 char *retstart = Nullch;
481 char **retvstart = 0;
482 int items = -1;
483 if (str) {
acfe0abc 484 dTHX;
ce1da67e
GS		 485 int slen = strlen(str);
486 register char *ret;
487 register char **retv;
a02a5408
JC		 488 Newx(ret, slen+2, char);
489 Newx(retv, (slen+3)/2, char*);
ce1da67e
GS		 490
491 retstart = ret;
492 retvstart = retv;
493 *retv = ret;
494 items = 0;
495 while (*str) {
496 *ret = *str++;
497 if (*ret == '\\' && *str)
498 *ret = *str++;
499 else if (*ret == ' ') {
500 while (*str == ' ')
501 str++;
502 if (ret == retstart)
503 ret--;
504 else {
505 *ret = '\0';
506 ++items;
507 if (*str)
508 *++retv = ret+1;
509 }
510 }
511 else if (!*str)
512 ++items;
513 ret++;
514 }
515 retvstart[items] = Nullch;
516 *ret++ = '\0';
517 *ret = '\0';
518 }
519 *dest = retstart;
520 *destv = retvstart;
521 return items;
522}
523
524static void
2d7a9237 525get_shell(void)
0a753a76 526{
acfe0abc 527 dTHX;
ce1da67e 528 if (!w32_perlshell_tokens) {
174c211a
GS		 529 /* we don't use COMSPEC here for two reasons:
530 * 1. the same reason perl on UNIX doesn't use SHELL--rampant and
531 * uncontrolled unportability of the ensuing scripts.
532 * 2. PERL5SHELL could be set to a shell that may not be fit for
533 * interactive use (which is what most programs look in COMSPEC
534 * for).
535 */
dff6d3cd 536 const char* defaultshell = (IsWinNT()
11998fdb 537 ? "cmd.exe /x/d/c" : "command.com /c");
2fb9ab56 538 const char *usershell = PerlEnv_getenv("PERL5SHELL");
ce1da67e
GS		 539 w32_perlshell_items = tokenize(usershell ? usershell : defaultshell,
540 &w32_perlshell_tokens,
541 &w32_perlshell_vec);
68dc0745 542 }
0a753a76 543}
544
68dc0745 545int
54725af6 546Perl_do_aspawn(pTHX_ SV *really, SV **mark, SV **sp)
0a753a76 547{
68dc0745 548 char **argv;
2d7a9237 549 char *str;
68dc0745 550 int status;
2d7a9237 551 int flag = P_WAIT;
68dc0745 552 int index = 0;
68dc0745 553
2d7a9237
GS		 554 if (sp <= mark)
555 return -1;
68dc0745 556
ce1da67e 557 get_shell();
a02a5408 558 Newx(argv, (sp - mark) + w32_perlshell_items + 2, char*);
2d7a9237
GS		 559
560 if (SvNIOKp(*(mark+1)) && !SvPOKp(*(mark+1))) {
561 ++mark;
562 flag = SvIVx(*mark);
68dc0745 563 }
564
9404a519 565 while (++mark <= sp) {
bb897dfc 566 if (*mark && (str = SvPV_nolen(*mark)))
2d7a9237
GS		 567 argv[index++] = str;
568 else
569 argv[index++] = "";
68dc0745 570 }
571 argv[index++] = 0;
3fadfdf1 572
2d7a9237 573 status = win32_spawnvp(flag,
bb897dfc 574 (const char*)(really ? SvPV_nolen(really) : argv[0]),
2d7a9237
GS		 575 (const char* const*)argv);
576
80252599 577 if (status < 0 && (errno == ENOEXEC || errno == ENOENT)) {
2d7a9237 578 /* possible shell-builtin, invoke with shell */
ce1da67e
GS		 579 int sh_items;
580 sh_items = w32_perlshell_items;
2d7a9237
GS		 581 while (--index >= 0)
582 argv[index+sh_items] = argv[index];
ce1da67e
GS		 583 while (--sh_items >= 0)
584 argv[sh_items] = w32_perlshell_vec[sh_items];
3fadfdf1 585
2d7a9237 586 status = win32_spawnvp(flag,
bb897dfc 587 (const char*)(really ? SvPV_nolen(really) : argv[0]),
2d7a9237
GS		 588 (const char* const*)argv);
589 }
68dc0745 590
922b1888
GS		 591 if (flag == P_NOWAIT) {
592 if (IsWin95())
593 PL_statusvalue = -1; /* >16bits hint for pp_system() */
594 }
595 else {
50892819 596 if (status < 0) {
0453d815 597 if (ckWARN(WARN_EXEC))
f98bc0c6 598 Perl_warner(aTHX_ packWARN(WARN_EXEC), "Can't spawn \"%s\": %s", argv[0], strerror(errno));
50892819
GS		 599 status = 255 * 256;
600 }
601 else
602 status *= 256;
b28d0864 603 PL_statusvalue = status;
5aabfad6 604 }
ce1da67e 605 Safefree(argv);
50892819 606 return (status);
68dc0745 607}
608
dd7038b3
JH		 609/* returns pointer to the next unquoted space or the end of the string */
610static char*
611find_next_space(const char *s)
612{
613 bool in_quotes = FALSE;
614 while (*s) {
615 /* ignore doubled backslashes, or backslash+quote */
616 if (*s == '\\' && (s[1] == '\\' || s[1] == '"')) {
617 s += 2;
618 }
619 /* keep track of when we're within quotes */
620 else if (*s == '"') {
621 s++;
622 in_quotes = !in_quotes;
623 }
624 /* break it up only at spaces that aren't in quotes */
625 else if (!in_quotes && isSPACE(*s))
626 return (char*)s;
627 else
628 s++;
629 }
630 return (char*)s;
631}
632
54725af6 633static int
08039b81 634do_spawn2(pTHX_ const char *cmd, int exectype)
68dc0745 635{
636 char **a;
637 char *s;
638 char **argv;
639 int status = -1;
640 BOOL needToTry = TRUE;
2d7a9237 641 char *cmd2;
68dc0745 642
2d7a9237
GS		 643 /* Save an extra exec if possible. See if there are shell
644 * metacharacters in it */
e200fe59 645 if (!has_shell_metachars(cmd)) {
a02a5408
JC		 646 Newx(argv, strlen(cmd) / 2 + 2, char*);
647 Newx(cmd2, strlen(cmd) + 1, char);
68dc0745 648 strcpy(cmd2, cmd);
649 a = argv;
650 for (s = cmd2; *s;) {
de030af3 651 while (*s && isSPACE(*s))
68dc0745 652 s++;
653 if (*s)
654 *(a++) = s;
dd7038b3 655 s = find_next_space(s);
9404a519 656 if (*s)
68dc0745 657 *s++ = '\0';
0a753a76 658 }
68dc0745 659 *a = Nullch;
ce1da67e 660 if (argv[0]) {
6890e559
GS		 661 switch (exectype) {
662 case EXECF_SPAWN:
663 status = win32_spawnvp(P_WAIT, argv[0],
664 (const char* const*)argv);
665 break;
666 case EXECF_SPAWN_NOWAIT:
667 status = win32_spawnvp(P_NOWAIT, argv[0],
668 (const char* const*)argv);
669 break;
670 case EXECF_EXEC:
671 status = win32_execvp(argv[0], (const char* const*)argv);
672 break;
673 }
2d7a9237 674 if (status != -1 || errno == 0)
68dc0745 675 needToTry = FALSE;
0a753a76 676 }
0a753a76 677 Safefree(argv);
68dc0745 678 Safefree(cmd2);
679 }
2d7a9237 680 if (needToTry) {
ce1da67e
GS		 681 char **argv;
682 int i = -1;
683 get_shell();
a02a5408 684 Newx(argv, w32_perlshell_items + 2, char*);
ce1da67e
GS		 685 while (++i < w32_perlshell_items)
686 argv[i] = w32_perlshell_vec[i];
08039b81 687 argv[i++] = (char *)cmd;
2d7a9237 688 argv[i] = Nullch;
6890e559
GS		 689 switch (exectype) {
690 case EXECF_SPAWN:
691 status = win32_spawnvp(P_WAIT, argv[0],
692 (const char* const*)argv);
693 break;
694 case EXECF_SPAWN_NOWAIT:
695 status = win32_spawnvp(P_NOWAIT, argv[0],
696 (const char* const*)argv);
697 break;
698 case EXECF_EXEC:
699 status = win32_execvp(argv[0], (const char* const*)argv);
700 break;
701 }
ce1da67e
GS		 702 cmd = argv[0];
703 Safefree(argv);
68dc0745 704 }
922b1888
GS		 705 if (exectype == EXECF_SPAWN_NOWAIT) {
706 if (IsWin95())
707 PL_statusvalue = -1; /* >16bits hint for pp_system() */
708 }
709 else {
50892819 710 if (status < 0) {
0453d815 711 if (ckWARN(WARN_EXEC))
f98bc0c6 712 Perl_warner(aTHX_ packWARN(WARN_EXEC), "Can't %s \"%s\": %s",
50892819
GS		 713 (exectype == EXECF_EXEC ? "exec" : "spawn"),
714 cmd, strerror(errno));
715 status = 255 * 256;
716 }
717 else
718 status *= 256;
b28d0864 719 PL_statusvalue = status;
5aabfad6 720 }
50892819 721 return (status);
0a753a76 722}
723
6890e559 724int
54725af6 725Perl_do_spawn(pTHX_ char *cmd)
6890e559 726{
54725af6 727 return do_spawn2(aTHX_ cmd, EXECF_SPAWN);
6890e559
GS		 728}
729
2d7a9237 730int
54725af6 731Perl_do_spawn_nowait(pTHX_ char *cmd)
2d7a9237 732{
54725af6 733 return do_spawn2(aTHX_ cmd, EXECF_SPAWN_NOWAIT);
2d7a9237
GS		 734}
735
6890e559 736bool
79d39d80 737Perl_do_exec(pTHX_ const char *cmd)
6890e559 738{
08039b81 739 do_spawn2(aTHX_ cmd, EXECF_EXEC);
6890e559
GS		 740 return FALSE;
741}
742
68dc0745 743/* The idea here is to read all the directory names into a string table
744 * (separated by nulls) and when one of the other dir functions is called
745 * return the pointer to the current file name.
746 */
c5be433b 747DllExport DIR *
0e06f75d 748win32_opendir(const char *filename)
0a753a76 749{
acfe0abc 750 dTHX;
95136add 751 DIR *dirp;
9404a519
GS		 752 long len;
753 long idx;
754 char scanname[MAX_PATH+3];
c623ac67 755 Stat_t sbuf;
7fac1903 756 WIN32_FIND_DATAA aFindData;
9404a519
GS		 757
758 len = strlen(filename);
759 if (len > MAX_PATH)
760 return NULL;
68dc0745 761
762 /* check to see if filename is a directory */
69d3ab13 763 if (win32_stat(filename, &sbuf) < 0 || !S_ISDIR(sbuf.st_mode))
24caa93f 764 return NULL;
68dc0745 765
68dc0745 766 /* Get us a DIR structure */
a02a5408 767 Newxz(dirp, 1, DIR);
68dc0745 768
769 /* Create the search pattern */
770 strcpy(scanname, filename);
23db2e2d
GS		 771
772 /* bare drive name means look in cwd for drive */
773 if (len == 2 && isALPHA(scanname[0]) && scanname[1] == ':') {
774 scanname[len++] = '.';
775 scanname[len++] = '/';
776 }
777 else if (scanname[len-1] != '/' && scanname[len-1] != '\\') {
9404a519 778 scanname[len++] = '/';
23db2e2d 779 }
9404a519
GS		 780 scanname[len++] = '*';
781 scanname[len] = '\0';
68dc0745 782
783 /* do the FindFirstFile call */
8c56068e
JD		 784 dirp->handle = FindFirstFileA(PerlDir_mapA(scanname), &aFindData);
785 if (dirp->handle == INVALID_HANDLE_VALUE) {
95136add 786 DWORD err = GetLastError();
21e72512 787 /* FindFirstFile() fails on empty drives! */
95136add
GS		 788 switch (err) {
789 case ERROR_FILE_NOT_FOUND:
790 return dirp;
791 case ERROR_NO_MORE_FILES:
792 case ERROR_PATH_NOT_FOUND:
793 errno = ENOENT;
794 break;
795 case ERROR_NOT_ENOUGH_MEMORY:
796 errno = ENOMEM;
797 break;
798 default:
799 errno = EINVAL;
800 break;
801 }
802 Safefree(dirp);
68dc0745 803 return NULL;
804 }
805
806 /* now allocate the first part of the string table for
807 * the filenames that we find.
808 */
8c56068e 809 idx = strlen(aFindData.cFileName)+1;
95136add
GS		 810 if (idx < 256)
811 dirp->size = 128;
812 else
813 dirp->size = idx;
a02a5408 814 Newx(dirp->start, dirp->size, char);
8c56068e 815 strcpy(dirp->start, aFindData.cFileName);
95136add
GS		 816 dirp->nfiles++;
817 dirp->end = dirp->curr = dirp->start;
818 dirp->end += idx;
819 return dirp;
0a753a76 820}
821
822
68dc0745 823/* Readdir just returns the current string pointer and bumps the
824 * string pointer to the nDllExport entry.
825 */
c5be433b 826DllExport struct direct *
ce2e26e5 827win32_readdir(DIR *dirp)
0a753a76 828{
95136add 829 long len;
0a753a76 830
68dc0745 831 if (dirp->curr) {
832 /* first set up the structure to return */
833 len = strlen(dirp->curr);
0f38926b 834 strcpy(dirp->dirstr.d_name, dirp->curr);
68dc0745 835 dirp->dirstr.d_namlen = len;
0a753a76 836
68dc0745 837 /* Fake an inode */
0f38926b 838 dirp->dirstr.d_ino = dirp->curr - dirp->start;
0a753a76 839
95136add 840 /* Now set up for the next call to readdir */
68dc0745 841 dirp->curr += len + 1;
95136add 842 if (dirp->curr >= dirp->end) {
acfe0abc 843 dTHX;
95136add 844 BOOL res;
95136add 845 WIN32_FIND_DATAA aFindData;
95136add
GS		 846
847 /* finding the next file that matches the wildcard
848 * (which should be all of them in this directory!).
95136add 849 */
8c56068e 850 res = FindNextFileA(dirp->handle, &aFindData);
95136add 851 if (res) {
0f38926b 852 long endpos = dirp->end - dirp->start;
8c56068e 853 long newsize = endpos + strlen(aFindData.cFileName) + 1;
95136add 854 /* bump the string table size by enough for the
022735b4 855 * new name and its null terminator */
0f38926b
GS		 856 while (newsize > dirp->size) {
857 long curpos = dirp->curr - dirp->start;
95136add
GS		 858 dirp->size *= 2;
859 Renew(dirp->start, dirp->size, char);
0f38926b 860 dirp->curr = dirp->start + curpos;
95136add 861 }
8c56068e 862 strcpy(dirp->start + endpos, aFindData.cFileName);
0f38926b 863 dirp->end = dirp->start + newsize;
95136add
GS		 864 dirp->nfiles++;
865 }
866 else
867 dirp->curr = NULL;
68dc0745 868 }
68dc0745 869 return &(dirp->dirstr);
3fadfdf1 870 }
68dc0745 871 else
872 return NULL;
0a753a76 873}
874
68dc0745 875/* Telldir returns the current string pointer position */
c5be433b 876DllExport long
ce2e26e5 877win32_telldir(DIR *dirp)
0a753a76 878{
95136add 879 return (dirp->curr - dirp->start);
0a753a76 880}
881
882
68dc0745 883/* Seekdir moves the string pointer to a previously saved position
95136add 884 * (returned by telldir).
68dc0745 885 */
c5be433b 886DllExport void
ce2e26e5 887win32_seekdir(DIR *dirp, long loc)
0a753a76 888{
95136add 889 dirp->curr = dirp->start + loc;
0a753a76 890}
891
68dc0745 892/* Rewinddir resets the string pointer to the start */
c5be433b 893DllExport void
ce2e26e5 894win32_rewinddir(DIR *dirp)
0a753a76 895{
896 dirp->curr = dirp->start;
897}
898
68dc0745 899/* free the memory allocated by opendir */
c5be433b 900DllExport int
ce2e26e5 901win32_closedir(DIR *dirp)
0a753a76 902{
acfe0abc 903 dTHX;
95136add 904 if (dirp->handle != INVALID_HANDLE_VALUE)
0f38926b 905 FindClose(dirp->handle);
0a753a76 906 Safefree(dirp->start);
907 Safefree(dirp);
68dc0745 908 return 1;
0a753a76 909}
910
911
68dc0745 912/*
913 * various stubs
914 */
0a753a76 915
916
68dc0745 917/* Ownership
918 *
919 * Just pretend that everyone is a superuser. NT will let us know if
920 * we don\'t really have permission to do something.
921 */
0a753a76 922
923#define ROOT_UID ((uid_t)0)
924#define ROOT_GID ((gid_t)0)
925
68dc0745 926uid_t
927getuid(void)
0a753a76 928{
68dc0745 929 return ROOT_UID;
0a753a76 930}
931
68dc0745 932uid_t
933geteuid(void)
0a753a76 934{
68dc0745 935 return ROOT_UID;
0a753a76 936}
937
68dc0745 938gid_t
939getgid(void)
0a753a76 940{
68dc0745 941 return ROOT_GID;
0a753a76 942}
943
68dc0745 944gid_t
945getegid(void)
0a753a76 946{
68dc0745 947 return ROOT_GID;
0a753a76 948}
949
68dc0745 950int
22239a37 951setuid(uid_t auid)
3fadfdf1 952{
22239a37 953 return (auid == ROOT_UID ? 0 : -1);
0a753a76 954}
955
68dc0745 956int
22239a37 957setgid(gid_t agid)
0a753a76 958{
22239a37 959 return (agid == ROOT_GID ? 0 : -1);
0a753a76 960}
961
e34ffe5a
GS		 962char *
963getlogin(void)
964{
acfe0abc 965 dTHX;
3352bfcb
GS		 966 char *buf = w32_getlogin_buffer;
967 DWORD size = sizeof(w32_getlogin_buffer);
e34ffe5a
GS		 968 if (GetUserName(buf,&size))
969 return buf;
970 return (char*)NULL;
971}
972
b990f8c8
GS		 973int
974chown(const char *path, uid_t owner, gid_t group)
975{
976 /* XXX noop */
1c1c7f20 977 return 0;
b990f8c8
GS		 978}
979
00b02797
JH		 980/*
981 * XXX this needs strengthening (for PerlIO)
982 * -- BKS, 11-11-200
983*/
984int mkstemp(const char *path)
985{
986 dTHX;
987 char buf[MAX_PATH+1];
988 int i = 0, fd = -1;
989
990retry:
991 if (i++ > 10) { /* give up */
992 errno = ENOENT;
993 return -1;
994 }
995 if (!GetTempFileNameA((LPCSTR)path, "plr", 1, buf)) {
996 errno = ENOENT;
997 return -1;
998 }
999 fd = PerlLIO_open3(buf, O_CREAT|O_RDWR|O_EXCL, 0600);
1000 if (fd == -1)
1001 goto retry;
1002 return fd;
1003}
1004
0aaad0ff
GS		 1005static long
1006find_pid(int pid)
0a753a76 1007{
acfe0abc 1008 dTHX;
7766f137
GS		 1009 long child = w32_num_children;
1010 while (--child >= 0) {
eb160463 1011 if ((int)w32_child_pids[child] == pid)
0aaad0ff
GS		 1012 return child;
1013 }
1014 return -1;
1015}
1016
1017static void
1018remove_dead_process(long child)
1019{
1020 if (child >= 0) {
acfe0abc 1021 dTHX;
0aaad0ff 1022 CloseHandle(w32_child_handles[child]);
c00206c8 1023 Move(&w32_child_handles[child+1], &w32_child_handles[child],
0aaad0ff 1024 (w32_num_children-child-1), HANDLE);
c00206c8 1025 Move(&w32_child_pids[child+1], &w32_child_pids[child],
0aaad0ff
GS		 1026 (w32_num_children-child-1), DWORD);
1027 w32_num_children--;
f55ee38a 1028 }
f55ee38a
GS		 1029}
1030
7766f137
GS		 1031#ifdef USE_ITHREADS
1032static long
1033find_pseudo_pid(int pid)
1034{
acfe0abc 1035 dTHX;
7766f137
GS		 1036 long child = w32_num_pseudo_children;
1037 while (--child >= 0) {
eb160463 1038 if ((int)w32_pseudo_child_pids[child] == pid)
7766f137
GS		 1039 return child;
1040 }
1041 return -1;
1042}
1043
1044static void
1045remove_dead_pseudo_process(long child)
1046{
1047 if (child >= 0) {
acfe0abc 1048 dTHX;
7766f137 1049 CloseHandle(w32_pseudo_child_handles[child]);
c00206c8 1050 Move(&w32_pseudo_child_handles[child+1], &w32_pseudo_child_handles[child],
7766f137 1051 (w32_num_pseudo_children-child-1), HANDLE);
c00206c8 1052 Move(&w32_pseudo_child_pids[child+1], &w32_pseudo_child_pids[child],
7766f137 1053 (w32_num_pseudo_children-child-1), DWORD);
aeecf691
JD		 1054 Move(&w32_pseudo_child_message_hwnds[child+1], &w32_pseudo_child_message_hwnds[child],
1055 (w32_num_pseudo_children-child-1), HWND);
7766f137
GS		 1056 w32_num_pseudo_children--;
1057 }
1058}
1059#endif
1060
f55ee38a
GS		 1061DllExport int
1062win32_kill(int pid, int sig)
1063{
acfe0abc 1064 dTHX;
0aaad0ff 1065 HANDLE hProcess;
c66b022d 1066 long child;
48db714f 1067 int retval;
7766f137
GS		 1068#ifdef USE_ITHREADS
1069 if (pid < 0) {
1070 /* it is a pseudo-forked child */
c66b022d 1071 child = find_pseudo_pid(-pid);
7766f137 1072 if (child >= 0) {
aeecf691 1073 HWND hwnd = w32_pseudo_child_message_hwnds[child];
7766f137 1074 hProcess = w32_pseudo_child_handles[child];
7e5f34c0
NIS		 1075 switch (sig) {
1076 case 0:
c843839f 1077 /* "Does process exist?" use of kill */
7766f137 1078 return 0;
aeecf691 1079
7e5f34c0
NIS		 1080 case 9:
1081 /* kill -9 style un-graceful exit */
1082 if (TerminateThread(hProcess, sig)) {
1083 remove_dead_pseudo_process(child);
1084 return 0;
1085 }
1086 break;
aeecf691
JD		 1087
1088 default: {
1089 int count = 0;
1090 /* pseudo-process has not yet properly initialized if hwnd isn't set */
1091 while (hwnd == INVALID_HANDLE_VALUE && count < 5) {
1092 /* Yield and wait for the other thread to send us its message_hwnd */
1093 Sleep(0);
1094 win32_async_check(aTHX);
1095 ++count;
1096 }
1097 if (hwnd != INVALID_HANDLE_VALUE) {
1098 /* We fake signals to pseudo-processes using Win32
1099 * message queue. In Win9X the pids are negative already. */
1100 if ((hwnd != NULL && PostMessage(hwnd, WM_USER_KILL, sig, 0)) ||
1101 PostThreadMessage(IsWin95() ? pid : -pid, WM_USER_KILL, sig, 0))
1102 {
1103 /* It might be us ... */
1104 PERL_ASYNC_CHECK();
1105 return 0;
1106 }
1107 }
7e5f34c0
NIS		 1108 break;
1109 }
aeecf691 1110 } /* switch */
7766f137 1111 }
922b1888
GS		 1112 else if (IsWin95()) {
1113 pid = -pid;
1114 goto alien_process;
1115 }
68dc0745 1116 }
7766f137
GS		 1117 else
1118#endif
1119 {
c66b022d 1120 child = find_pid(pid);
7766f137 1121 if (child >= 0) {
7e5f34c0
NIS		 1122 hProcess = w32_child_handles[child];
1123 switch(sig) {
1124 case 0:
c843839f 1125 /* "Does process exist?" use of kill */
7766f137 1126 return 0;
7e5f34c0
NIS		 1127 case 2:
1128 if (GenerateConsoleCtrlEvent(CTRL_C_EVENT,pid))
1129 return 0;
1130 break;
9e200fca
JD		 1131 case SIGBREAK:
1132 case SIGTERM:
1133 if (GenerateConsoleCtrlEvent(CTRL_BREAK_EVENT,pid))
1134 return 0;
1135 break;
c843839f 1136 default: /* For now be backwards compatible with perl5.6 */
7e5f34c0
NIS		 1137 case 9:
1138 if (TerminateProcess(hProcess, sig)) {
1139 remove_dead_process(child);
1140 return 0;
1141 }
1142 break;
1143 }
7766f137
GS		 1144 }
1145 else {
922b1888 1146alien_process:
48db714f 1147 retval = -1;
922b1888
GS		 1148 hProcess = OpenProcess(PROCESS_ALL_ACCESS, TRUE,
1149 (IsWin95() ? -pid : pid));
42b8b86c 1150 if (hProcess) {
7e5f34c0
NIS		 1151 switch(sig) {
1152 case 0:
c843839f 1153 /* "Does process exist?" use of kill */
48db714f
JD		 1154 retval = 0;
1155 break;
7e5f34c0
NIS		 1156 case 2:
1157 if (GenerateConsoleCtrlEvent(CTRL_C_EVENT,pid))
48db714f 1158 retval = 0;
7e5f34c0 1159 break;
9e200fca
JD		 1160 case SIGBREAK:
1161 case SIGTERM:
1162 if (GenerateConsoleCtrlEvent(CTRL_BREAK_EVENT,pid))
1163 retval = 0;
1164 break;
c843839f 1165 default: /* For now be backwards compatible with perl5.6 */
7e5f34c0 1166 case 9:
48db714f
JD		 1167 if (TerminateProcess(hProcess, sig))
1168 retval = 0;
1169 break;
42b8b86c 1170 }
7766f137 1171 }
48db714f
JD		 1172 CloseHandle(hProcess);
1173 if (retval == 0)
1174 return 0;
7766f137
GS		 1175 }
1176 }
1177 errno = EINVAL;
1178 return -1;
0a753a76 1179}
fbbbcc48 1180
68dc0745 1181DllExport int
c623ac67 1182win32_stat(const char *path, Stat_t *sbuf)
0a753a76 1183{
acfe0abc 1184 dTHX;
3fadfdf1 1185 char buffer[MAX_PATH+1];
68dc0745 1186 int l = strlen(path);
67fbe06e 1187 int res;
6b980173 1188 int nlink = 1;
44221b20 1189 BOOL expect_dir = FALSE;
0a753a76 1190
cba61fe1
JD		 1191 GV *gv_sloppy = gv_fetchpvs("\027IN32_SLOPPY_STAT",
1192 GV_NOTQUAL, SVt_PV);
1193 BOOL sloppy = gv_sloppy && SvTRUE(GvSV(gv_sloppy));
1194
68dc0745 1195 if (l > 1) {
1196 switch(path[l - 1]) {
e1dbac94 1197 /* FindFirstFile() and stat() are buggy with a trailing
44221b20 1198 * slashes, except for the root directory of a drive */
68dc0745 1199 case '\\':
44221b20
JD		 1200 case '/':
1201 if (l > sizeof(buffer)) {
0b96339f
JD		 1202 errno = ENAMETOOLONG;
1203 return -1;
1204 }
44221b20
JD		 1205 --l;
1206 strncpy(buffer, path, l);
1207 /* remove additional trailing slashes */
1208 while (l > 1 && (buffer[l-1] == '/' || buffer[l-1] == '\\'))
1209 --l;
1210 /* add back slash if we otherwise end up with just a drive letter */
1211 if (l == 2 && isALPHA(buffer[0]) && buffer[1] == ':')
1212 buffer[l++] = '\\';
1213 buffer[l] = '\0';
1214 path = buffer;
1215 expect_dir = TRUE;
e1dbac94 1216 break;
44221b20 1217
23db2e2d 1218 /* FindFirstFile() is buggy with "x:", so add a dot :-( */
e1dbac94
GS		 1219 case ':':
1220 if (l == 2 && isALPHA(path[0])) {
426c1a18
GS		 1221 buffer[0] = path[0];
1222 buffer[1] = ':';
1223 buffer[2] = '.';
1224 buffer[3] = '\0';
e1dbac94 1225 l = 3;
426c1a18 1226 path = buffer;
e1dbac94
GS		 1227 }
1228 break;
68dc0745 1229 }
1230 }
6b980173 1231
8c56068e
JD		 1232 path = PerlDir_mapA(path);
1233 l = strlen(path);
cba61fe1
JD		 1234
1235 if (!sloppy) {
1236 /* We must open & close the file once; otherwise file attribute changes */
1237 /* might not yet have propagated to "other" hard links of the same file. */
1238 /* This also gives us an opportunity to determine the number of links. */
1239 HANDLE handle = CreateFileA(path, 0, 0, NULL, OPEN_EXISTING, 0, NULL);
1240 if (handle != INVALID_HANDLE_VALUE) {
1241 BY_HANDLE_FILE_INFORMATION bhi;
1242 if (GetFileInformationByHandle(handle, &bhi))
1243 nlink = bhi.nNumberOfLinks;
1244 CloseHandle(handle);
1245 }
7fac1903 1246 }
6b980173 1247
8c56068e 1248 /* path will be mapped correctly above */
c623ac67 1249#if defined(WIN64) || defined(USE_LARGE_FILES)
8c56068e 1250 res = _stati64(path, sbuf);
c623ac67 1251#else
8c56068e 1252 res = stat(path, sbuf);
c623ac67 1253#endif
426c1a18 1254 sbuf->st_nlink = nlink;
6b980173 1255
24caa93f
GS		 1256 if (res < 0) {
1257 /* CRT is buggy on sharenames, so make sure it really isn't.
1258 * XXX using GetFileAttributesEx() will enable us to set
426c1a18 1259 * sbuf->st_*time (but note that's not available on the
24caa93f 1260 * Windows of 1995) */
8c56068e 1261 DWORD r = GetFileAttributesA(path);
24caa93f 1262 if (r != 0xffffffff && (r & FILE_ATTRIBUTE_DIRECTORY)) {
426c1a18 1263 /* sbuf may still contain old garbage since stat() failed */
c623ac67 1264 Zero(sbuf, 1, Stat_t);
426c1a18 1265 sbuf->st_mode = S_IFDIR | S_IREAD;
24caa93f
GS		 1266 errno = 0;
1267 if (!(r & FILE_ATTRIBUTE_READONLY))
426c1a18 1268 sbuf->st_mode |= S_IWRITE | S_IEXEC;
24caa93f
GS		 1269 return 0;
1270 }
1271 }
24caa93f 1272 else {
e1dbac94
GS		 1273 if (l == 3 && isALPHA(path[0]) && path[1] == ':'
1274 && (path[2] == '\\' || path[2] == '/'))
2293b0e9
AB		 1275 {
1276 /* The drive can be inaccessible, some _stat()s are buggy */
8c56068e 1277 if (!GetVolumeInformationA(path,NULL,0,NULL,NULL,NULL,NULL,0)) {
2293b0e9
AB		 1278 errno = ENOENT;
1279 return -1;
1280 }
1281 }
44221b20
JD		 1282 if (expect_dir && !S_ISDIR(sbuf->st_mode)) {
1283 errno = ENOTDIR;
1284 return -1;
1285 }
2293b0e9 1286#ifdef __BORLANDC__
426c1a18
GS		 1287 if (S_ISDIR(sbuf->st_mode))
1288 sbuf->st_mode |= S_IWRITE | S_IEXEC;
1289 else if (S_ISREG(sbuf->st_mode)) {
d0650a05 1290 int perms;
67fbe06e
GS		 1291 if (l >= 4 && path[l-4] == '.') {
1292 const char *e = path + l - 3;
1293 if (strnicmp(e,"exe",3)
1294 && strnicmp(e,"bat",3)
1295 && strnicmp(e,"com",3)
1296 && (IsWin95() || strnicmp(e,"cmd",3)))
426c1a18 1297 sbuf->st_mode &= ~S_IEXEC;
67fbe06e 1298 else
426c1a18 1299 sbuf->st_mode |= S_IEXEC;
67fbe06e
GS		 1300 }
1301 else
426c1a18 1302 sbuf->st_mode &= ~S_IEXEC;
d0650a05
GS		 1303 /* Propagate permissions to _group_ and _others_ */
1304 perms = sbuf->st_mode & (S_IREAD|S_IWRITE|S_IEXEC);
1305 sbuf->st_mode |= (perms>>3) | (perms>>6);
67fbe06e 1306 }
67fbe06e 1307#endif
2293b0e9 1308 }
67fbe06e 1309 return res;
0a753a76 1310}
1311
bb27e7b6
JH		 1312#define isSLASH(c) ((c) == '/' || (c) == '\\')
1313#define SKIP_SLASHES(s) \
1314 STMT_START { \
1315 while (*(s) && isSLASH(*(s))) \
1316 ++(s); \
1317 } STMT_END
1318#define COPY_NONSLASHES(d,s) \
1319 STMT_START { \
1320 while (*(s) && !isSLASH(*(s))) \
1321 *(d)++ = *(s)++; \
1322 } STMT_END
1323
8ac9c18d
GS		 1324/* Find the longname of a given path. path is destructively modified.
1325 * It should have space for at least MAX_PATH characters. */
1326DllExport char *
1327win32_longpath(char *path)
1328{
1329 WIN32_FIND_DATA fdata;
1330 HANDLE fhand;
1331 char tmpbuf[MAX_PATH+1];
1332 char *tmpstart = tmpbuf;
1333 char *start = path;
1334 char sep;
1335 if (!path)
1336 return Nullch;
1337
1338 /* drive prefix */
bb27e7b6 1339 if (isALPHA(path[0]) && path[1] == ':') {
8ac9c18d
GS		 1340 start = path + 2;
1341 *tmpstart++ = path[0];
1342 *tmpstart++ = ':';
1343 }
1344 /* UNC prefix */
bb27e7b6 1345 else if (isSLASH(path[0]) && isSLASH(path[1])) {
8ac9c18d 1346 start = path + 2;
52fcf7ee
GS		 1347 *tmpstart++ = path[0];
1348 *tmpstart++ = path[1];
bb27e7b6
JH		 1349 SKIP_SLASHES(start);
1350 COPY_NONSLASHES(tmpstart,start); /* copy machine name */
8ac9c18d 1351 if (*start) {
bb27e7b6
JH		 1352 *tmpstart++ = *start++;
1353 SKIP_SLASHES(start);
1354 COPY_NONSLASHES(tmpstart,start); /* copy share name */
8ac9c18d
GS		 1355 }
1356 }
8ac9c18d 1357 *tmpstart = '\0';
bb27e7b6
JH		 1358 while (*start) {
1359 /* copy initial slash, if any */
1360 if (isSLASH(*start)) {
1361 *tmpstart++ = *start++;
1362 *tmpstart = '\0';
1363 SKIP_SLASHES(start);
1364 }
1365
1366 /* FindFirstFile() expands "." and "..", so we need to pass
1367 * those through unmolested */
1368 if (*start == '.'
1369 && (!start[1] || isSLASH(start[1])
1370 || (start[1] == '.' && (!start[2] || isSLASH(start[2])))))
1371 {
1372 COPY_NONSLASHES(tmpstart,start); /* copy "." or ".." */
1373 *tmpstart = '\0';
1374 continue;
1375 }
1376
1377 /* if this is the end, bust outta here */
1378 if (!*start)
1379 break;
8ac9c18d 1380
bb27e7b6
JH		 1381 /* now we're at a non-slash; walk up to next slash */
1382 while (*start && !isSLASH(*start))
8ac9c18d 1383 ++start;
8ac9c18d
GS		 1384
1385 /* stop and find full name of component */
bb27e7b6 1386 sep = *start;
8ac9c18d
GS		 1387 *start = '\0';
1388 fhand = FindFirstFile(path,&fdata);
bb27e7b6 1389 *start = sep;
8ac9c18d 1390 if (fhand != INVALID_HANDLE_VALUE) {
bb27e7b6
JH		 1391 STRLEN len = strlen(fdata.cFileName);
1392 if ((STRLEN)(tmpbuf + sizeof(tmpbuf) - tmpstart) > len) {
1393 strcpy(tmpstart, fdata.cFileName);
1394 tmpstart += len;
1395 FindClose(fhand);
1396 }
1397 else {
1398 FindClose(fhand);
1399 errno = ERANGE;
1400 return Nullch;
1401 }
8ac9c18d
GS		 1402 }
1403 else {
1404 /* failed a step, just return without side effects */
bf49b057 1405 /*PerlIO_printf(Perl_debug_log, "Failed to find %s\n", path);*/
bb27e7b6 1406 errno = EINVAL;
8ac9c18d
GS		 1407 return Nullch;
1408 }
1409 }
1410 strcpy(path,tmpbuf);
1411 return path;
1412}
1413
0551aaa8
GS		 1414DllExport char *
1415win32_getenv(const char *name)
1416{
acfe0abc 1417 dTHX;
0551aaa8 1418 DWORD needlen;
51371543 1419 SV *curitem = Nullsv;
58a50f62 1420
8c56068e 1421 needlen = GetEnvironmentVariableA(name,NULL,0);
58a50f62 1422 if (needlen != 0) {
51371543 1423 curitem = sv_2mortal(newSVpvn("", 0));
8c56068e
JD		 1424 do {
1425 SvGROW(curitem, needlen+1);
1426 needlen = GetEnvironmentVariableA(name,SvPVX(curitem),
1427 needlen);
1428 } while (needlen >= SvLEN(curitem));
1429 SvCUR_set(curitem, needlen);
0551aaa8 1430 }
c934e9d4 1431 else {
7a5f8e82 1432 /* allow any environment variables that begin with 'PERL'
c934e9d4 1433 to be stored in the registry */
51371543 1434 if (strncmp(name, "PERL", 4) == 0)
c5be433b 1435 (void)get_regstr(name, &curitem);
c69f6586 1436 }
51371543
GS		 1437 if (curitem && SvCUR(curitem))
1438 return SvPVX(curitem);
58a50f62 1439
51371543 1440 return Nullch;
0551aaa8
GS		 1441}
1442
ac5c734f
GS		 1443DllExport int
1444win32_putenv(const char *name)
1445{
acfe0abc 1446 dTHX;
ac5c734f
GS		 1447 char* curitem;
1448 char* val;
b813a9c7 1449 int relval = -1;
51371543 1450
73c4f7a1 1451 if (name) {
8c56068e
JD		 1452 Newx(curitem,strlen(name)+1,char);
1453 strcpy(curitem, name);
1454 val = strchr(curitem, '=');
1455 if (val) {
1456 /* The sane way to deal with the environment.
1457 * Has these advantages over putenv() & co.:
1458 * * enables us to store a truly empty value in the
1459 * environment (like in UNIX).
1460 * * we don't have to deal with RTL globals, bugs and leaks.
1461 * * Much faster.
1462 * Why you may want to enable USE_WIN32_RTL_ENV:
1463 * * environ[] and RTL functions will not reflect changes,
1464 * which might be an issue if extensions want to access
1465 * the env. via RTL. This cuts both ways, since RTL will
1466 * not see changes made by extensions that call the Win32
1467 * functions directly, either.
1468 * GSAR 97-06-07
1469 */
1470 *val++ = '\0';
1471 if (SetEnvironmentVariableA(curitem, *val ? val : NULL))
1472 relval = 0;
1473 }
1474 Safefree(curitem);
ac5c734f
GS		 1475 }
1476 return relval;
1477}
1478
d55594ae 1479static long
2d7a9237 1480filetime_to_clock(PFILETIME ft)
d55594ae 1481{
7766f137
GS		 1482 __int64 qw = ft->dwHighDateTime;
1483 qw <<= 32;
1484 qw |= ft->dwLowDateTime;
1485 qw /= 10000; /* File time ticks at 0.1uS, clock at 1mS */
1486 return (long) qw;
d55594ae
GS		 1487}
1488
f3986ebb
GS		 1489DllExport int
1490win32_times(struct tms *timebuf)
0a753a76 1491{
d55594ae
GS		 1492 FILETIME user;
1493 FILETIME kernel;
1494 FILETIME dummy;
50ee8e5e 1495 clock_t process_time_so_far = clock();
3fadfdf1 1496 if (GetProcessTimes(GetCurrentProcess(), &dummy, &dummy,
d55594ae 1497 &kernel,&user)) {
2d7a9237
GS		 1498 timebuf->tms_utime = filetime_to_clock(&user);
1499 timebuf->tms_stime = filetime_to_clock(&kernel);
d55594ae
GS		 1500 timebuf->tms_cutime = 0;
1501 timebuf->tms_cstime = 0;
3fadfdf1 1502 } else {
d55594ae 1503 /* That failed - e.g. Win95 fallback to clock() */
50ee8e5e 1504 timebuf->tms_utime = process_time_so_far;
d55594ae
GS		 1505 timebuf->tms_stime = 0;
1506 timebuf->tms_cutime = 0;
1507 timebuf->tms_cstime = 0;
1508 }
50ee8e5e 1509 return process_time_so_far;
0a753a76 1510}
1511
9c51cf4c 1512/* fix utime() so it works on directories in NT */
ad0751ec
GS		 1513static BOOL
1514filetime_from_time(PFILETIME pFileTime, time_t Time)
1515{
9c51cf4c 1516 struct tm *pTM = localtime(&Time);
ad0751ec 1517 SYSTEMTIME SystemTime;
9c51cf4c 1518 FILETIME LocalTime;
ad0751ec
GS		 1519
1520 if (pTM == NULL)
1521 return FALSE;
1522
1523 SystemTime.wYear = pTM->tm_year + 1900;
1524 SystemTime.wMonth = pTM->tm_mon + 1;
1525 SystemTime.wDay = pTM->tm_mday;
1526 SystemTime.wHour = pTM->tm_hour;
1527 SystemTime.wMinute = pTM->tm_min;
1528 SystemTime.wSecond = pTM->tm_sec;
1529 SystemTime.wMilliseconds = 0;
1530
9c51cf4c
GS		 1531 return SystemTimeToFileTime(&SystemTime, &LocalTime) &&
1532 LocalFileTimeToFileTime(&LocalTime, pFileTime);
ad0751ec
GS		 1533}
1534
1535DllExport int
7766f137
GS		 1536win32_unlink(const char *filename)
1537{
acfe0abc 1538 dTHX;
7766f137
GS		 1539 int ret;
1540 DWORD attrs;
1541
8c56068e
JD		 1542 filename = PerlDir_mapA(filename);
1543 attrs = GetFileAttributesA(filename);
1544 if (attrs == 0xFFFFFFFF) {
1545 errno = ENOENT;
1546 return -1;
7766f137 1547 }
8c56068e
JD		 1548 if (attrs & FILE_ATTRIBUTE_READONLY) {
1549 (void)SetFileAttributesA(filename, attrs & ~FILE_ATTRIBUTE_READONLY);
1550 ret = unlink(filename);
1551 if (ret == -1)
1552 (void)SetFileAttributesA(filename, attrs);
7766f137 1553 }
8c56068e
JD		 1554 else
1555 ret = unlink(filename);
7766f137
GS		 1556 return ret;
1557}
1558
1559DllExport int
3b405fc5 1560win32_utime(const char *filename, struct utimbuf *times)
ad0751ec 1561{
acfe0abc 1562 dTHX;
ad0751ec
GS		 1563 HANDLE handle;
1564 FILETIME ftCreate;
1565 FILETIME ftAccess;
1566 FILETIME ftWrite;
1567 struct utimbuf TimeBuffer;
7fac1903 1568 int rc;
8c56068e
JD		 1569
1570 filename = PerlDir_mapA(filename);
1571 rc = utime(filename, times);
1572
ad0751ec
GS		 1573 /* EACCES: path specifies directory or readonly file */
1574 if (rc == 0 || errno != EACCES /* || !IsWinNT() */)
1575 return rc;
1576
1577 if (times == NULL) {
1578 times = &TimeBuffer;
1579 time(&times->actime);
1580 times->modtime = times->actime;
1581 }
1582
1583 /* This will (and should) still fail on readonly files */
8c56068e
JD		 1584 handle = CreateFileA(filename, GENERIC_READ | GENERIC_WRITE,
1585 FILE_SHARE_READ | FILE_SHARE_DELETE, NULL,
1586 OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL);
ad0751ec
GS		 1587 if (handle == INVALID_HANDLE_VALUE)
1588 return rc;
1589
1590 if (GetFileTime(handle, &ftCreate, &ftAccess, &ftWrite) &&
1591 filetime_from_time(&ftAccess, times->actime) &&
1592 filetime_from_time(&ftWrite, times->modtime) &&
1593 SetFileTime(handle, &ftCreate, &ftAccess, &ftWrite))
1594 {
1595 rc = 0;
1596 }
1597
1598 CloseHandle(handle);
1599 return rc;
1600}
1601
6e3b076d
JH		 1602typedef union {
1603 unsigned __int64 ft_i64;
1604 FILETIME ft_val;
1605} FT_t;
1606
1607#ifdef __GNUC__
1608#define Const64(x) x##LL
1609#else
1610#define Const64(x) x##i64
1611#endif
1612/* Number of 100 nanosecond units from 1/1/1601 to 1/1/1970 */
1613#define EPOCH_BIAS Const64(116444736000000000)
1614
57ab3dfe
GS		 1615/* NOTE: This does not compute the timezone info (doing so can be expensive,
1616 * and appears to be unsupported even by glibc) */
1617DllExport int
1618win32_gettimeofday(struct timeval *tp, void *not_used)
1619{
6e3b076d
JH		 1620 FT_t ft;
1621
1622 /* this returns time in 100-nanosecond units (i.e. tens of usecs) */
1623 GetSystemTimeAsFileTime(&ft.ft_val);
1624
1625 /* seconds since epoch */
1626 tp->tv_sec = (long)((ft.ft_i64 - EPOCH_BIAS) / Const64(10000000));
1627
1628 /* microseconds remaining */
1629 tp->tv_usec = (long)((ft.ft_i64 / Const64(10)) % Const64(1000000));
1630
1631 return 0;
57ab3dfe
GS		 1632}
1633
2d7a9237 1634DllExport int
b2af26b1
GS		 1635win32_uname(struct utsname *name)
1636{
1637 struct hostent *hep;
1638 STRLEN nodemax = sizeof(name->nodename)-1;
b2af26b1 1639
aeecf691
JD		 1640 /* sysname */
1641 switch (g_osver.dwPlatformId) {
1642 case VER_PLATFORM_WIN32_WINDOWS:
1643 strcpy(name->sysname, "Windows");
1644 break;
1645 case VER_PLATFORM_WIN32_NT:
1646 strcpy(name->sysname, "Windows NT");
1647 break;
1648 case VER_PLATFORM_WIN32s:
1649 strcpy(name->sysname, "Win32s");
1650 break;
1651 default:
1652 strcpy(name->sysname, "Win32 Unknown");
1653 break;
b2af26b1 1654 }
aeecf691
JD		 1655
1656 /* release */
1657 sprintf(name->release, "%d.%d",
1658 g_osver.dwMajorVersion, g_osver.dwMinorVersion);
1659
1660 /* version */
1661 sprintf(name->version, "Build %d",
1662 g_osver.dwPlatformId == VER_PLATFORM_WIN32_NT
1663 ? g_osver.dwBuildNumber : (g_osver.dwBuildNumber & 0xffff));
1664 if (g_osver.szCSDVersion[0]) {
1665 char *buf = name->version + strlen(name->version);
1666 sprintf(buf, " (%s)", g_osver.szCSDVersion);
b2af26b1
GS		 1667 }
1668
1669 /* nodename */
1670 hep = win32_gethostbyname("localhost");
1671 if (hep) {
1672 STRLEN len = strlen(hep->h_name);
1673 if (len <= nodemax) {
1674 strcpy(name->nodename, hep->h_name);
1675 }
1676 else {
1677 strncpy(name->nodename, hep->h_name, nodemax);
1678 name->nodename[nodemax] = '\0';
1679 }
1680 }
1681 else {
1682 DWORD sz = nodemax;
1683 if (!GetComputerName(name->nodename, &sz))
1684 *name->nodename = '\0';
1685 }
1686
1687 /* machine (architecture) */
1688 {
1689 SYSTEM_INFO info;
fe537c65 1690 DWORD procarch;
b2af26b1
GS		 1691 char *arch;
1692 GetSystemInfo(&info);
a6c40364 1693
6f24f39d
JK		 1694#if (defined(__BORLANDC__)&&(__BORLANDC__<=0x520)) \
1695 || (defined(__MINGW32__) && !defined(_ANONYMOUS_UNION))
fe537c65 1696 procarch = info.u.s.wProcessorArchitecture;
a6c40364 1697#else
fe537c65 1698 procarch = info.wProcessorArchitecture;
a6c40364 1699#endif
fe537c65 1700 switch (procarch) {
b2af26b1
GS		 1701 case PROCESSOR_ARCHITECTURE_INTEL:
1702 arch = "x86"; break;
1703 case PROCESSOR_ARCHITECTURE_MIPS:
1704 arch = "mips"; break;
1705 case PROCESSOR_ARCHITECTURE_ALPHA:
1706 arch = "alpha"; break;
1707 case PROCESSOR_ARCHITECTURE_PPC:
1708 arch = "ppc"; break;
fe537c65
GS		 1709#ifdef PROCESSOR_ARCHITECTURE_SHX
1710 case PROCESSOR_ARCHITECTURE_SHX:
1711 arch = "shx"; break;
1712#endif
1713#ifdef PROCESSOR_ARCHITECTURE_ARM
1714 case PROCESSOR_ARCHITECTURE_ARM:
1715 arch = "arm"; break;
1716#endif
1717#ifdef PROCESSOR_ARCHITECTURE_IA64
1718 case PROCESSOR_ARCHITECTURE_IA64:
1719 arch = "ia64"; break;
1720#endif
1721#ifdef PROCESSOR_ARCHITECTURE_ALPHA64
1722 case PROCESSOR_ARCHITECTURE_ALPHA64:
1723 arch = "alpha64"; break;
1724#endif
1725#ifdef PROCESSOR_ARCHITECTURE_MSIL
1726 case PROCESSOR_ARCHITECTURE_MSIL:
1727 arch = "msil"; break;
1728#endif
1729#ifdef PROCESSOR_ARCHITECTURE_AMD64
1730 case PROCESSOR_ARCHITECTURE_AMD64:
1731 arch = "amd64"; break;
1732#endif
1733#ifdef PROCESSOR_ARCHITECTURE_IA32_ON_WIN64
1734 case PROCESSOR_ARCHITECTURE_IA32_ON_WIN64:
1735 arch = "ia32-64"; break;
1736#endif
1737#ifdef PROCESSOR_ARCHITECTURE_UNKNOWN
1738 case PROCESSOR_ARCHITECTURE_UNKNOWN:
b2af26b1 1739 arch = "unknown"; break;
fe537c65
GS		 1740#endif
1741 default:
1742 sprintf(name->machine, "unknown(0x%x)", procarch);
1743 arch = name->machine;
1744 break;
b2af26b1 1745 }
fe537c65
GS		 1746 if (name->machine != arch)
1747 strcpy(name->machine, arch);
b2af26b1
GS		 1748 }
1749 return 0;
1750}
1751
8fb3fcfb
NIS		 1752/* Timing related stuff */
1753
3fadfdf1
NIS		 1754int
1755do_raise(pTHX_ int sig)
1756{
1757 if (sig < SIG_SIZE) {
1758 Sighandler_t handler = w32_sighandler[sig];
1759 if (handler == SIG_IGN) {
1760 return 0;
1761 }
1762 else if (handler != SIG_DFL) {
1763 (*handler)(sig);
1764 return 0;
1765 }
1766 else {
1767 /* Choose correct default behaviour */
1768 switch (sig) {
1769#ifdef SIGCLD
1770 case SIGCLD:
1771#endif
1772#ifdef SIGCHLD
1773 case SIGCHLD:
1774#endif
1775 case 0:
1776 return 0;
1777 case SIGTERM:
1778 default:
1779 break;
1780 }
1781 }
1782 }
1783 /* Tell caller to exit thread/process as approriate */
1784 return 1;
1785}
1786
1787void
1788sig_terminate(pTHX_ int sig)
1789{
1790 Perl_warn(aTHX_ "Terminating on signal SIG%s(%d)\n",PL_sig_name[sig], sig);
1791 /* exit() seems to be safe, my_exit() or die() is a problem in ^C
1792 thread
1793 */
1794 exit(sig);
1795}
1796
8fb3fcfb
NIS		 1797DllExport int
1798win32_async_check(pTHX)
1799{
1800 MSG msg;
aeecf691
JD		 1801 HWND hwnd = w32_message_hwnd;
1802
1803 w32_poll_count = 0;
1804
c71e9bcc
JD		 1805 if (hwnd == INVALID_HANDLE_VALUE) {
1806 /* Call PeekMessage() to mark all pending messages in the queue as "old".
1807 * This is necessary when we are being called by win32_msgwait() to
1808 * make sure MsgWaitForMultipleObjects() stops reporting the same waiting
1809 * message over and over. An example how this can happen is when
1810 * Perl is calling win32_waitpid() inside a GUI application and the GUI
1811 * is generating messages before the process terminated.
1812 */
1813 PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE|PM_NOYIELD);
41ee5757
JD		 1814 if (PL_sig_pending)
1815 despatch_signals();
aeecf691 1816 return 1;
c71e9bcc 1817 }
aeecf691 1818
7e5f34c0
NIS		 1819 /* Passing PeekMessage -1 as HWND (2nd arg) only get PostThreadMessage() messages
1820 * and ignores window messages - should co-exist better with windows apps e.g. Tk
3fadfdf1 1821 */
aeecf691
JD		 1822 if (hwnd == NULL)
1823 hwnd = (HWND)-1;
8fb3fcfb 1824
aeecf691
JD		 1825 while (PeekMessage(&msg, hwnd, WM_TIMER, WM_TIMER, PM_REMOVE|PM_NOYIELD) ||
1826 PeekMessage(&msg, hwnd, WM_USER_MIN, WM_USER_MAX, PM_REMOVE|PM_NOYIELD))
1827 {
1828 switch (msg.message) {
1829#ifdef USE_ITHREADS
1830 case WM_USER_MESSAGE: {
1831 int child = find_pseudo_pid(msg.wParam);
1832 if (child >= 0)
1833 w32_pseudo_child_message_hwnds[child] = (HWND)msg.lParam;
1834 break;
1835 }
7e5f34c0
NIS		 1836#endif
1837
aeecf691
JD		 1838 case WM_USER_KILL: {
1839 /* We use WM_USER to fake kill() with other signals */
1840 int sig = msg.wParam;
1841 if (do_raise(aTHX_ sig))
1842 sig_terminate(aTHX_ sig);
8fb3fcfb
NIS		 1843 break;
1844 }
3fadfdf1 1845
8fb3fcfb
NIS		 1846 case WM_TIMER: {
1847 /* alarm() is a one-shot but SetTimer() repeats so kill it */
26549e08 1848 if (w32_timerid && w32_timerid==msg.wParam) {
aeecf691 1849 KillTimer(w32_message_hwnd, w32_timerid);
3fadfdf1 1850 w32_timerid=0;
8fb3fcfb 1851
aeecf691
JD		 1852 /* Now fake a call to signal handler */
1853 if (do_raise(aTHX_ 14))
1854 sig_terminate(aTHX_ 14);
1855 }
8fb3fcfb
NIS		 1856 break;
1857 }
aeecf691 1858 } /* switch */
8fb3fcfb
NIS		 1859 }
1860
7e5f34c0 1861 /* Above or other stuff may have set a signal flag */
8fb3fcfb
NIS		 1862 if (PL_sig_pending) {
1863 despatch_signals();
1864 }
aeecf691 1865 return 1;
8fb3fcfb
NIS		 1866}
1867
089197fa
GS		 1868/* This function will not return until the timeout has elapsed, or until
1869 * one of the handles is ready. */
8fb3fcfb
NIS		 1870DllExport DWORD
1871win32_msgwait(pTHX_ DWORD count, LPHANDLE handles, DWORD timeout, LPDWORD resultp)
1872{
1873 /* We may need several goes at this - so compute when we stop */
1874 DWORD ticks = 0;
1875 if (timeout != INFINITE) {
1876 ticks = GetTickCount();
1877 timeout += ticks;
1878 }
1879 while (1) {
1880 DWORD result = MsgWaitForMultipleObjects(count,handles,FALSE,timeout-ticks, QS_ALLEVENTS);
1881 if (resultp)
1882 *resultp = result;
1883 if (result == WAIT_TIMEOUT) {
3fadfdf1
NIS		 1884 /* Ran out of time - explicit return of zero to avoid -ve if we
1885 have scheduling issues
1886 */
8fb3fcfb
NIS		 1887 return 0;
1888 }
1889 if (timeout != INFINITE) {
1890 ticks = GetTickCount();
1891 }
1892 if (result == WAIT_OBJECT_0 + count) {
1893 /* Message has arrived - check it */
089197fa 1894 (void)win32_async_check(aTHX);
8fb3fcfb
NIS		 1895 }
1896 else {
1897 /* Not timeout or message - one of handles is ready */
1898 break;
1899 }
1900 }
1901 /* compute time left to wait */
1902 ticks = timeout - ticks;
1903 /* If we are past the end say zero */
1904 return (ticks > 0) ? ticks : 0;
1905}
1906
932b7487
RC		 1907int
1908win32_internal_wait(int *status, DWORD timeout)
1909{
1910 /* XXX this wait emulation only knows about processes
1911 * spawned via win32_spawnvp(P_NOWAIT, ...).
1912 */
1913 dTHX;
1914 int i, retval;
1915 DWORD exitcode, waitcode;
1916
1917#ifdef USE_ITHREADS
1918 if (w32_num_pseudo_children) {
8fb3fcfb
NIS		 1919 win32_msgwait(aTHX_ w32_num_pseudo_children, w32_pseudo_child_handles,
1920 timeout, &waitcode);
932b7487
RC		 1921 /* Time out here if there are no other children to wait for. */
1922 if (waitcode == WAIT_TIMEOUT) {
1923 if (!w32_num_children) {
1924 return 0;
1925 }
1926 }
1927 else if (waitcode != WAIT_FAILED) {
1928 if (waitcode >= WAIT_ABANDONED_0
1929 && waitcode < WAIT_ABANDONED_0 + w32_num_pseudo_children)
1930 i = waitcode - WAIT_ABANDONED_0;
1931 else
1932 i = waitcode - WAIT_OBJECT_0;
1933 if (GetExitCodeThread(w32_pseudo_child_handles[i], &exitcode)) {
1934 *status = (int)((exitcode & 0xff) << 8);
1935 retval = (int)w32_pseudo_child_pids[i];
1936 remove_dead_pseudo_process(i);
1937 return -retval;
1938 }
1939 }
1940 }
1941#endif
1942
1943 if (!w32_num_children) {
1944 errno = ECHILD;
1945 return -1;
1946 }
1947
1948 /* if a child exists, wait for it to die */
8fb3fcfb 1949 win32_msgwait(aTHX_ w32_num_children, w32_child_handles, timeout, &waitcode);
932b7487
RC		 1950 if (waitcode == WAIT_TIMEOUT) {
1951 return 0;
1952 }
1953 if (waitcode != WAIT_FAILED) {
1954 if (waitcode >= WAIT_ABANDONED_0
1955 && waitcode < WAIT_ABANDONED_0 + w32_num_children)
1956 i = waitcode - WAIT_ABANDONED_0;
1957 else
1958 i = waitcode - WAIT_OBJECT_0;
1959 if (GetExitCodeProcess(w32_child_handles[i], &exitcode) ) {
1960 *status = (int)((exitcode & 0xff) << 8);
1961 retval = (int)w32_child_pids[i];
1962 remove_dead_process(i);
1963 return retval;
1964 }
1965 }
1966
932b7487
RC		 1967 errno = GetLastError();
1968 return -1;
1969}
1970
b2af26b1 1971DllExport int
f55ee38a
GS		 1972win32_waitpid(int pid, int *status, int flags)
1973{
acfe0abc 1974 dTHX;
922b1888 1975 DWORD timeout = (flags & WNOHANG) ? 0 : INFINITE;
0aaad0ff 1976 int retval = -1;
c66b022d 1977 long child;
7766f137 1978 if (pid == -1) /* XXX threadid == 1 ? */
932b7487 1979 return win32_internal_wait(status, timeout);
7766f137
GS		 1980#ifdef USE_ITHREADS
1981 else if (pid < 0) {
c66b022d 1982 child = find_pseudo_pid(-pid);
7766f137
GS		 1983 if (child >= 0) {
1984 HANDLE hThread = w32_pseudo_child_handles[child];
8fb3fcfb
NIS		 1985 DWORD waitcode;
1986 win32_msgwait(aTHX_ 1, &hThread, timeout, &waitcode);
2f67576d
BC		 1987 if (waitcode == WAIT_TIMEOUT) {
1988 return 0;
1989 }
8fb3fcfb 1990 else if (waitcode == WAIT_OBJECT_0) {
7766f137
GS		 1991 if (GetExitCodeThread(hThread, &waitcode)) {
1992 *status = (int)((waitcode & 0xff) << 8);
1993 retval = (int)w32_pseudo_child_pids[child];
1994 remove_dead_pseudo_process(child);
68a29c53 1995 return -retval;
7766f137
GS		 1996 }
1997 }
1998 else
1999 errno = ECHILD;
2000 }
922b1888
GS		 2001 else if (IsWin95()) {
2002 pid = -pid;
2003 goto alien_process;
2004 }
7766f137
GS		 2005 }
2006#endif
f55ee38a 2007 else {
922b1888
GS		 2008 HANDLE hProcess;
2009 DWORD waitcode;
c66b022d 2010 child = find_pid(pid);
0aaad0ff 2011 if (child >= 0) {
922b1888 2012 hProcess = w32_child_handles[child];
8fb3fcfb 2013 win32_msgwait(aTHX_ 1, &hProcess, timeout, &waitcode);
a7867d0a
GS		 2014 if (waitcode == WAIT_TIMEOUT) {
2015 return 0;
2016 }
8fb3fcfb 2017 else if (waitcode == WAIT_OBJECT_0) {
922b1888
GS		 2018 if (GetExitCodeProcess(hProcess, &waitcode)) {
2019 *status = (int)((waitcode & 0xff) << 8);
2020 retval = (int)w32_child_pids[child];
2021 remove_dead_process(child);
2022 return retval;
2023 }
a7867d0a 2024 }
0aaad0ff
GS		 2025 else
2026 errno = ECHILD;
2027 }
2028 else {
922b1888
GS		 2029alien_process:
2030 hProcess = OpenProcess(PROCESS_ALL_ACCESS, TRUE,
2031 (IsWin95() ? -pid : pid));
2032 if (hProcess) {
8fb3fcfb 2033 win32_msgwait(aTHX_ 1, &hProcess, timeout, &waitcode);
922b1888 2034 if (waitcode == WAIT_TIMEOUT) {
48db714f 2035 CloseHandle(hProcess);
922b1888
GS		 2036 return 0;
2037 }
8fb3fcfb 2038 else if (waitcode == WAIT_OBJECT_0) {
922b1888
GS		 2039 if (GetExitCodeProcess(hProcess, &waitcode)) {
2040 *status = (int)((waitcode & 0xff) << 8);
2041 CloseHandle(hProcess);
2042 return pid;
2043 }
2044 }
2045 CloseHandle(hProcess);
2046 }
2047 else
2048 errno = ECHILD;
0aaad0ff 2049 }
f55ee38a 2050 }
3fadfdf1 2051 return retval >= 0 ? pid : retval;
f55ee38a
GS		 2052}
2053
2054DllExport int
2d7a9237
GS		 2055win32_wait(int *status)
2056{
932b7487 2057 return win32_internal_wait(status, INFINITE);
2d7a9237 2058}
d55594ae 2059
8fb3fcfb
NIS		 2060DllExport unsigned int
2061win32_sleep(unsigned int t)
d55594ae 2062{
acfe0abc 2063 dTHX;
8fb3fcfb
NIS		 2064 /* Win32 times are in ms so *1000 in and /1000 out */
2065 return win32_msgwait(aTHX_ 0, NULL, t*1000, NULL)/1000;
d55594ae
GS		 2066}
2067
f3986ebb
GS		 2068DllExport unsigned int
2069win32_alarm(unsigned int sec)
0a753a76 2070{
3fadfdf1 2071 /*
d55594ae 2072 * the 'obvious' implentation is SetTimer() with a callback
3fadfdf1
NIS		 2073 * which does whatever receiving SIGALRM would do
2074 * we cannot use SIGALRM even via raise() as it is not
d55594ae 2075 * one of the supported codes in <signal.h>
3fadfdf1 2076 */
acfe0abc 2077 dTHX;
aeecf691
JD		 2078
2079 if (w32_message_hwnd == INVALID_HANDLE_VALUE)
2080 w32_message_hwnd = win32_create_message_window();
2081
8fb3fcfb 2082 if (sec) {
aeecf691
JD		 2083 if (w32_message_hwnd == NULL)
2084 w32_timerid = SetTimer(NULL, w32_timerid, sec*1000, NULL);
2085 else {
2086 w32_timerid = 1;
2087 SetTimer(w32_message_hwnd, w32_timerid, sec*1000, NULL);
2088 }
8fb3fcfb
NIS		 2089 }
2090 else {
2091 if (w32_timerid) {
aeecf691
JD		 2092 KillTimer(w32_message_hwnd, w32_timerid);
2093 w32_timerid = 0;
8fb3fcfb 2094 }
3fadfdf1 2095 }
afe91769 2096 return 0;
0a753a76 2097}
2098
26618a56 2099#ifdef HAVE_DES_FCRYPT
2d77217b 2100extern char * des_fcrypt(const char *txt, const char *salt, char *cbuf);
ff95b63e 2101#endif
26618a56
GS		 2102
2103DllExport char *
2104win32_crypt(const char *txt, const char *salt)
2105{
acfe0abc 2106 dTHX;
ff95b63e 2107#ifdef HAVE_DES_FCRYPT
3352bfcb 2108 return des_fcrypt(txt, salt, w32_crypt_buffer);
ff95b63e 2109#else
25dbdbbc 2110 Perl_croak(aTHX_ "The crypt() function is unimplemented due to excessive paranoia.");
b8957cf1 2111 return Nullch;
ff95b63e 2112#endif
26618a56 2113}
26618a56 2114
9e5f57de 2115#ifdef USE_FIXED_OSFHANDLE
390b85e7
GS		 2116
2117#define FOPEN 0x01 /* file handle open */
b181b6fb 2118#define FNOINHERIT 0x10 /* file handle opened O_NOINHERIT */
390b85e7
GS		 2119#define FAPPEND 0x20 /* file handle opened O_APPEND */
2120#define FDEV 0x40 /* file handle refers to device */
2121#define FTEXT 0x80 /* file handle is in text mode */
2122
390b85e7 2123/***
c623ac67 2124*int my_open_osfhandle(intptr_t osfhandle, int flags) - open C Runtime file handle
390b85e7
GS		 2125*
2126*Purpose:
2127* This function allocates a free C Runtime file handle and associates
2128* it with the Win32 HANDLE specified by the first parameter. This is a
9e5f57de
GS		 2129* temperary fix for WIN95's brain damage GetFileType() error on socket
2130* we just bypass that call for socket
2131*
2132* This works with MSVC++ 4.0+ or GCC/Mingw32
390b85e7
GS		 2133*
2134*Entry:
c623ac67 2135* intptr_t osfhandle - Win32 HANDLE to associate with C Runtime file handle.
390b85e7
GS		 2136* int flags - flags to associate with C Runtime file handle.
2137*
2138*Exit:
2139* returns index of entry in fh, if successful
2140* return -1, if no free entry is found
2141*
2142*Exceptions:
2143*
2144*******************************************************************************/
2145
9e5f57de
GS		 2146/*
2147 * we fake up some parts of the CRT that aren't exported by MSVCRT.dll
2148 * this lets sockets work on Win9X with GCC and should fix the problems
2149 * with perl95.exe
2150 * -- BKS, 1-23-2000
2151*/
2152
9e5f57de
GS		 2153/* create an ioinfo entry, kill its handle, and steal the entry */
2154
b181b6fb
GS		 2155static int
2156_alloc_osfhnd(void)
9e5f57de
GS		 2157{
2158 HANDLE hF = CreateFile("NUL", 0, 0, NULL, OPEN_ALWAYS, 0, NULL);
c623ac67 2159 int fh = _open_osfhandle((intptr_t)hF, 0);
9e5f57de
GS		 2160 CloseHandle(hF);
2161 if (fh == -1)
2162 return fh;
2163 EnterCriticalSection(&(_pioinfo(fh)->lock));
2164 return fh;
2165}
2166
390b85e7 2167static int
c623ac67 2168my_open_osfhandle(intptr_t osfhandle, int flags)
390b85e7
GS		 2169{
2170 int fh;
2171 char fileflags; /* _osfile flags */
2172
2173 /* copy relevant flags from second parameter */
2174 fileflags = FDEV;
2175
9404a519 2176 if (flags & O_APPEND)
390b85e7
GS		 2177 fileflags |= FAPPEND;
2178
9404a519 2179 if (flags & O_TEXT)
390b85e7
GS		 2180 fileflags |= FTEXT;
2181
b181b6fb
GS		 2182 if (flags & O_NOINHERIT)
2183 fileflags |= FNOINHERIT;
2184
390b85e7 2185 /* attempt to allocate a C Runtime file handle */
9404a519 2186 if ((fh = _alloc_osfhnd()) == -1) {
390b85e7
GS		 2187 errno = EMFILE; /* too many open files */
2188 _doserrno = 0L; /* not an OS error */
2189 return -1; /* return error to caller */
2190 }
2191
2192 /* the file is open. now, set the info in _osfhnd array */
2193 _set_osfhnd(fh, osfhandle);
2194
2195 fileflags |= FOPEN; /* mark as open */
2196
390b85e7 2197 _osfile(fh) = fileflags; /* set osfile entry */
dd8f4818 2198 LeaveCriticalSection(&_pioinfo(fh)->lock);
390b85e7
GS		 2199
2200 return fh; /* return handle */
2201}
2202
f3986ebb 2203#endif /* USE_FIXED_OSFHANDLE */
390b85e7
GS		 2204
2205/* simulate flock by locking a range on the file */
2206
2207#define LK_ERR(f,i) ((f) ? (i = 0) : (errno = GetLastError()))
2208#define LK_LEN 0xffff0000
2209
f3986ebb
GS		 2210DllExport int
2211win32_flock(int fd, int oper)
390b85e7
GS		 2212{
2213 OVERLAPPED o;
2214 int i = -1;
2215 HANDLE fh;
2216
f3986ebb 2217 if (!IsWinNT()) {
acfe0abc 2218 dTHX;
4f63d024 2219 Perl_croak_nocontext("flock() unimplemented on this platform");
f3986ebb
GS		 2220 return -1;
2221 }
390b85e7
GS		 2222 fh = (HANDLE)_get_osfhandle(fd);
2223 memset(&o, 0, sizeof(o));
2224
2225 switch(oper) {
2226 case LOCK_SH: /* shared lock */
2227 LK_ERR(LockFileEx(fh, 0, 0, LK_LEN, 0, &o),i);
2228 break;
2229 case LOCK_EX: /* exclusive lock */
2230 LK_ERR(LockFileEx(fh, LOCKFILE_EXCLUSIVE_LOCK, 0, LK_LEN, 0, &o),i);
2231 break;
2232 case LOCK_SH|LOCK_NB: /* non-blocking shared lock */
2233 LK_ERR(LockFileEx(fh, LOCKFILE_FAIL_IMMEDIATELY, 0, LK_LEN, 0, &o),i);
2234 break;
2235 case LOCK_EX|LOCK_NB: /* non-blocking exclusive lock */
2236 LK_ERR(LockFileEx(fh,
2237 LOCKFILE_EXCLUSIVE_LOCK|LOCKFILE_FAIL_IMMEDIATELY,
2238 0, LK_LEN, 0, &o),i);
2239 break;
2240 case LOCK_UN: /* unlock lock */
2241 LK_ERR(UnlockFileEx(fh, 0, LK_LEN, 0, &o),i);
2242 break;
2243 default: /* unknown */
2244 errno = EINVAL;
2245 break;
2246 }
2247 return i;
2248}
2249
2250#undef LK_ERR
2251#undef LK_LEN
2252
68dc0745 2253/*
2254 * redirected io subsystem for all XS modules
2255 *
2256 */
0a753a76 2257
68dc0745 2258DllExport int *
2259win32_errno(void)
0a753a76 2260{
390b85e7 2261 return (&errno);
0a753a76 2262}
2263
dcb2879a
GS		 2264DllExport char ***
2265win32_environ(void)
2266{
390b85e7 2267 return (&(_environ));
dcb2879a
GS		 2268}
2269
68dc0745 2270/* the rest are the remapped stdio routines */
2271DllExport FILE *
2272win32_stderr(void)
0a753a76 2273{
390b85e7 2274 return (stderr);
0a753a76 2275}
2276
68dc0745 2277DllExport FILE *
2278win32_stdin(void)
0a753a76 2279{
390b85e7 2280 return (stdin);
0a753a76 2281}
2282
68dc0745 2283DllExport FILE *
2284win32_stdout()
0a753a76 2285{
390b85e7 2286 return (stdout);
0a753a76 2287}
2288
68dc0745 2289DllExport int
2290win32_ferror(FILE *fp)
0a753a76 2291{
390b85e7 2292 return (ferror(fp));
0a753a76 2293}
2294
2295
68dc0745 2296DllExport int
2297win32_feof(FILE *fp)
0a753a76 2298{
390b85e7 2299 return (feof(fp));
0a753a76 2300}
2301
68dc0745 2302/*
3fadfdf1 2303 * Since the errors returned by the socket error function
68dc0745 2304 * WSAGetLastError() are not known by the library routine strerror
2305 * we have to roll our own.
2306 */
0a753a76 2307
68dc0745 2308DllExport char *
3fadfdf1 2309win32_strerror(int e)
0a753a76 2310{
6f24f39d 2311#if !defined __BORLANDC__ && !defined __MINGW32__ /* compiler intolerance */
68dc0745 2312 extern int sys_nerr;
3e3baf6d 2313#endif
68dc0745 2314 DWORD source = 0;
0a753a76 2315
9404a519 2316 if (e < 0 || e > sys_nerr) {
acfe0abc 2317 dTHX;
9404a519 2318 if (e < 0)
68dc0745 2319 e = GetLastError();
0a753a76 2320
9404a519 2321 if (FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, &source, e, 0,
3352bfcb 2322 w32_strerror_buffer,
3fadfdf1 2323 sizeof(w32_strerror_buffer), NULL) == 0)
3352bfcb 2324 strcpy(w32_strerror_buffer, "Unknown Error");
0a753a76 2325
3352bfcb 2326 return w32_strerror_buffer;
68dc0745 2327 }
390b85e7 2328 return strerror(e);
0a753a76 2329}
2330
22fae026 2331DllExport void
c5be433b 2332win32_str_os_error(void *sv, DWORD dwErr)
22fae026
TM		 2333{
2334 DWORD dwLen;
2335 char *sMsg;
2336 dwLen = FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER
2337 |FORMAT_MESSAGE_IGNORE_INSERTS
2338 |FORMAT_MESSAGE_FROM_SYSTEM, NULL,
2339 dwErr, 0, (char *)&sMsg, 1, NULL);
2ce77adf 2340 /* strip trailing whitespace and period */
22fae026 2341 if (0 < dwLen) {
2ce77adf
GS		 2342 do {
2343 --dwLen; /* dwLen doesn't include trailing null */
2344 } while (0 < dwLen && isSPACE(sMsg[dwLen]));
22fae026
TM		 2345 if ('.' != sMsg[dwLen])
2346 dwLen++;
2ce77adf 2347 sMsg[dwLen] = '\0';
22fae026
TM		 2348 }
2349 if (0 == dwLen) {
c69f6586 2350 sMsg = (char*)LocalAlloc(0, 64/**sizeof(TCHAR)*/);
db7c17d7
GS		 2351 if (sMsg)
2352 dwLen = sprintf(sMsg,
2353 "Unknown error #0x%lX (lookup 0x%lX)",
2354 dwErr, GetLastError());
2355 }
2356 if (sMsg) {
acfe0abc 2357 dTHX;
db7c17d7
GS		 2358 sv_setpvn((SV*)sv, sMsg, dwLen);
2359 LocalFree(sMsg);
22fae026 2360 }
22fae026
TM		 2361}
2362
68dc0745 2363DllExport int
2364win32_fprintf(FILE *fp, const char *format, ...)
0a753a76 2365{
68dc0745 2366 va_list marker;
2367 va_start(marker, format); /* Initialize variable arguments. */
0a753a76 2368
390b85e7 2369 return (vfprintf(fp, format, marker));
0a753a76 2370}
2371
68dc0745 2372DllExport int
2373win32_printf(const char *format, ...)
0a753a76 2374{
68dc0745 2375 va_list marker;
2376 va_start(marker, format); /* Initialize variable arguments. */
0a753a76 2377
390b85e7 2378 return (vprintf(format, marker));
0a753a76 2379}
2380
68dc0745 2381DllExport int
2382win32_vfprintf(FILE *fp, const char *format, va_list args)
0a753a76 2383{
390b85e7 2384 return (vfprintf(fp, format, args));
0a753a76 2385}
2386
96e4d5b1 2387DllExport int
2388win32_vprintf(const char *format, va_list args)
2389{
390b85e7 2390 return (vprintf(format, args));
96e4d5b1 2391}
2392
68dc0745 2393DllExport size_t
2394win32_fread(void *buf, size_t size, size_t count, FILE *fp)
0a753a76 2395{
390b85e7 2396 return fread(buf, size, count, fp);
0a753a76 2397}
2398
68dc0745 2399DllExport size_t
2400win32_fwrite(const void *buf, size_t size, size_t count, FILE *fp)
0a753a76 2401{
390b85e7 2402 return fwrite(buf, size, count, fp);
0a753a76 2403}
2404
7fac1903
GS		 2405#define MODE_SIZE 10
2406
68dc0745 2407DllExport FILE *
2408win32_fopen(const char *filename, const char *mode)
0a753a76 2409{
acfe0abc 2410 dTHX;
1c5905c2 2411 FILE *f;
3fadfdf1 2412
c5be433b
GS		 2413 if (!*filename)
2414 return NULL;
2415
68dc0745 2416 if (stricmp(filename, "/dev/null")==0)
7fac1903
GS		 2417 filename = "NUL";
2418
8c56068e 2419 f = fopen(PerlDir_mapA(filename), mode);
1c5905c2
GS		 2420 /* avoid buffering headaches for child processes */
2421 if (f && *mode == 'a')
2422 win32_fseek(f, 0, SEEK_END);
2423 return f;
0a753a76 2424}
2425
f3986ebb
GS		 2426#ifndef USE_SOCKETS_AS_HANDLES
2427#undef fdopen
2428#define fdopen my_fdopen
2429#endif
2430
68dc0745 2431DllExport FILE *
7fac1903 2432win32_fdopen(int handle, const char *mode)
0a753a76 2433{
acfe0abc 2434 dTHX;
1c5905c2 2435 FILE *f;
8c56068e 2436 f = fdopen(handle, (char *) mode);
1c5905c2
GS		 2437 /* avoid buffering headaches for child processes */
2438 if (f && *mode == 'a')
2439 win32_fseek(f, 0, SEEK_END);
2440 return f;
0a753a76 2441}
2442
68dc0745 2443DllExport FILE *
7fac1903 2444win32_freopen(const char *path, const char *mode, FILE *stream)
0a753a76 2445{
acfe0abc 2446 dTHX;
68dc0745 2447 if (stricmp(path, "/dev/null")==0)
7fac1903
GS		 2448 path = "NUL";
2449
7766f137 2450 return freopen(PerlDir_mapA(path), mode, stream);
0a753a76 2451}
2452
68dc0745 2453DllExport int
2454win32_fclose(FILE *pf)
0a753a76 2455{
f3986ebb 2456 return my_fclose(pf); /* defined in win32sck.c */
0a753a76 2457}
2458
68dc0745 2459DllExport int
2460win32_fputs(const char *s,FILE *pf)
0a753a76 2461{
390b85e7 2462 return fputs(s, pf);
0a753a76 2463}
2464
68dc0745 2465DllExport int
2466win32_fputc(int c,FILE *pf)
0a753a76 2467{
390b85e7 2468 return fputc(c,pf);
0a753a76 2469}
2470
68dc0745 2471DllExport int
2472win32_ungetc(int c,FILE *pf)
0a753a76 2473{
390b85e7 2474 return ungetc(c,pf);
0a753a76 2475}
2476
68dc0745 2477DllExport int
2478win32_getc(FILE *pf)
0a753a76 2479{
390b85e7 2480 return getc(pf);
0a753a76 2481}
2482
68dc0745 2483DllExport int
2484win32_fileno(FILE *pf)
0a753a76 2485{
390b85e7 2486 return fileno(pf);
0a753a76 2487}
2488
68dc0745 2489DllExport void
2490win32_clearerr(FILE *pf)
0a753a76 2491{
390b85e7 2492 clearerr(pf);
68dc0745 2493 return;
0a753a76 2494}
2495
68dc0745 2496DllExport int
2497win32_fflush(FILE *pf)
0a753a76 2498{
390b85e7 2499 return fflush(pf);
0a753a76 2500}
2501
c623ac67 2502DllExport Off_t
68dc0745 2503win32_ftell(FILE *pf)
0a753a76 2504{
c623ac67 2505#if defined(WIN64) || defined(USE_LARGE_FILES)
56460430 2506#if defined(__BORLANDC__) /* buk */
a810272a
NS		 2507 return win32_tell( fileno( pf ) );
2508#else
c623ac67
GS		 2509 fpos_t pos;
2510 if (fgetpos(pf, &pos))
2511 return -1;
2512 return (Off_t)pos;
a810272a 2513#endif
c623ac67 2514#else
390b85e7 2515 return ftell(pf);
c623ac67 2516#endif
0a753a76 2517}
2518
68dc0745 2519DllExport int
c623ac67 2520win32_fseek(FILE *pf, Off_t offset,int origin)
0a753a76 2521{
c623ac67 2522#if defined(WIN64) || defined(USE_LARGE_FILES)
a810272a
NS		 2523#if defined(__BORLANDC__) /* buk */
2524 return win32_lseek(
2525 fileno(pf),
2526 offset,
2527 origin
2528 );
2529#else
c623ac67
GS		 2530 fpos_t pos;
2531 switch (origin) {
2532 case SEEK_CUR:
2533 if (fgetpos(pf, &pos))
2534 return -1;
2535 offset += pos;
2536 break;
2537 case SEEK_END:
2538 fseek(pf, 0, SEEK_END);
2539 pos = _telli64(fileno(pf));
2540 offset += pos;
2541 break;
2542 case SEEK_SET:
2543 break;
2544 default:
2545 errno = EINVAL;
2546 return -1;
2547 }
2548 return fsetpos(pf, &offset);
a810272a 2549#endif
c623ac67 2550#else
8859a7a0 2551 return fseek(pf, (long)offset, origin);
c623ac67 2552#endif
0a753a76 2553}
2554
68dc0745 2555DllExport int
2556win32_fgetpos(FILE *pf,fpos_t *p)
0a753a76 2557{
a810272a
NS		 2558#if defined(__BORLANDC__) && defined(USE_LARGE_FILES) /* buk */
2559 if( win32_tell(fileno(pf)) == -1L ) {
2560 errno = EBADF;
2561 return -1;
2562 }
2563 return 0;
2564#else
390b85e7 2565 return fgetpos(pf, p);
a810272a 2566#endif
0a753a76 2567}
2568
68dc0745 2569DllExport int
2570win32_fsetpos(FILE *pf,const fpos_t *p)
0a753a76 2571{
a810272a
NS		 2572#if defined(__BORLANDC__) && defined(USE_LARGE_FILES) /* buk */
2573 return win32_lseek(fileno(pf), *p, SEEK_CUR);
2574#else
390b85e7 2575 return fsetpos(pf, p);
a810272a 2576#endif
0a753a76 2577}
2578
68dc0745 2579DllExport void
2580win32_rewind(FILE *pf)
0a753a76 2581{
390b85e7 2582 rewind(pf);
68dc0745 2583 return;
0a753a76 2584}
2585
2941a2e1
JH		 2586DllExport int
2587win32_tmpfd(void)
0a753a76 2588{
b3122bc4
JH		 2589 dTHX;
2590 char prefix[MAX_PATH+1];
2591 char filename[MAX_PATH+1];
2592 DWORD len = GetTempPath(MAX_PATH, prefix);
2593 if (len && len < MAX_PATH) {
2594 if (GetTempFileName(prefix, "plx", 0, filename)) {
2595 HANDLE fh = CreateFile(filename,
2596 DELETE | GENERIC_READ | GENERIC_WRITE,
2597 0,
2598 NULL,
2599 CREATE_ALWAYS,
2600 FILE_ATTRIBUTE_NORMAL
2601 | FILE_FLAG_DELETE_ON_CLOSE,
2602 NULL);
2603 if (fh != INVALID_HANDLE_VALUE) {
c623ac67 2604 int fd = win32_open_osfhandle((intptr_t)fh, 0);
b3122bc4 2605 if (fd >= 0) {
a051bdb4
VK		 2606#if defined(__BORLANDC__)
2607 setmode(fd,O_BINARY);
2608#endif
b3122bc4
JH		 2609 DEBUG_p(PerlIO_printf(Perl_debug_log,
2610 "Created tmpfile=%s\n",filename));
2941a2e1 2611 return fd;
b3122bc4
JH		 2612 }
2613 }
2614 }
2615 }
2941a2e1
JH		 2616 return -1;
2617}
2618
2619DllExport FILE*
2620win32_tmpfile(void)
2621{
2622 int fd = win32_tmpfd();
2623 if (fd >= 0)
2624 return win32_fdopen(fd, "w+b");
b3122bc4 2625 return NULL;
0a753a76 2626}
2627
68dc0745 2628DllExport void
2629win32_abort(void)
0a753a76 2630{
390b85e7 2631 abort();
68dc0745 2632 return;
0a753a76 2633}
2634
68dc0745 2635DllExport int
c623ac67 2636win32_fstat(int fd, Stat_t *sbufptr)
0a753a76 2637{
2a07f407
VK		 2638#ifdef __BORLANDC__
2639 /* A file designated by filehandle is not shown as accessible
2640 * for write operations, probably because it is opened for reading.
2641 * --Vadim Konovalov
3fadfdf1 2642 */
2a07f407 2643 BY_HANDLE_FILE_INFORMATION bhfi;
bda6ed21
PM		 2644#if defined(WIN64) || defined(USE_LARGE_FILES)
2645 /* Borland 5.5.1 has a 64-bit stat, but only a 32-bit fstat */
2646 struct stat tmp;
2647 int rc = fstat(fd,&tmp);
2648
2649 sbufptr->st_dev = tmp.st_dev;
2650 sbufptr->st_ino = tmp.st_ino;
2651 sbufptr->st_mode = tmp.st_mode;
2652 sbufptr->st_nlink = tmp.st_nlink;
2653 sbufptr->st_uid = tmp.st_uid;
2654 sbufptr->st_gid = tmp.st_gid;
2655 sbufptr->st_rdev = tmp.st_rdev;
2656 sbufptr->st_size = tmp.st_size;
2657 sbufptr->st_atime = tmp.st_atime;
2658 sbufptr->st_mtime = tmp.st_mtime;
2659 sbufptr->st_ctime = tmp.st_ctime;
2660#else
2661 int rc = fstat(fd,sbufptr);
2662#endif
2663
2a07f407 2664 if (GetFileInformationByHandle((HANDLE)_get_osfhandle(fd), &bhfi)) {
bda6ed21
PM		 2665#if defined(WIN64) || defined(USE_LARGE_FILES)
2666 sbufptr->st_size = (bhfi.nFileSizeHigh << 32) + bhfi.nFileSizeLow ;
2667#endif
2a07f407
VK		 2668 sbufptr->st_mode &= 0xFE00;
2669 if (bhfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY)
2670 sbufptr->st_mode |= (S_IREAD + (S_IREAD >> 3) + (S_IREAD >> 6));
2671 else
2672 sbufptr->st_mode |= ((S_IREAD|S_IWRITE) + ((S_IREAD|S_IWRITE) >> 3)
2673 + ((S_IREAD|S_IWRITE) >> 6));
2674 }
2675 return rc;
2676#else
ed59ec62 2677 return my_fstat(fd,sbufptr);
2a07f407 2678#endif
0a753a76 2679}
2680
68dc0745 2681DllExport int
2682win32_pipe(int *pfd, unsigned int size, int mode)
0a753a76 2683{
390b85e7 2684 return _pipe(pfd, size, mode);
0a753a76 2685}
2686
8c0134a8
NIS		 2687DllExport PerlIO*
2688win32_popenlist(const char *mode, IV narg, SV **args)
2689{
2690 dTHX;
2691 Perl_croak(aTHX_ "List form of pipe open not implemented");
2692 return NULL;
2693}
2694
50892819
GS		 2695/*
2696 * a popen() clone that respects PERL5SHELL
00b02797
JH		 2697 *
2698 * changed to return PerlIO* rather than FILE * by BKS, 11-11-2000
50892819
GS		 2699 */
2700
00b02797 2701DllExport PerlIO*
68dc0745 2702win32_popen(const char *command, const char *mode)
0a753a76 2703{
4b556e6c 2704#ifdef USE_RTL_POPEN
390b85e7 2705 return _popen(command, mode);
50892819 2706#else
2cbbe5a1 2707 dTHX;
50892819
GS		 2708 int p[2];
2709 int parent, child;
2710 int stdfd, oldfd;
2711 int ourmode;
2712 int childpid;
1095be37
GS		 2713 DWORD nhandle;
2714 HANDLE old_h;
2715 int lock_held = 0;
50892819
GS		 2716
2717 /* establish which ends read and write */
2718 if (strchr(mode,'w')) {
2719 stdfd = 0; /* stdin */
2720 parent = 1;
2721 child = 0;
1095be37 2722 nhandle = STD_INPUT_HANDLE;
50892819
GS		 2723 }
2724 else if (strchr(mode,'r')) {
2725 stdfd = 1; /* stdout */
2726 parent = 0;
2727 child = 1;
1095be37 2728 nhandle = STD_OUTPUT_HANDLE;
50892819
GS		 2729 }
2730 else
2731 return NULL;
2732
2733 /* set the correct mode */
2734 if (strchr(mode,'b'))
2735 ourmode = O_BINARY;
2736 else if (strchr(mode,'t'))
2737 ourmode = O_TEXT;
2738 else
2739 ourmode = _fmode & (O_TEXT | O_BINARY);
2740
2741 /* the child doesn't inherit handles */
2742 ourmode |= O_NOINHERIT;
2743
1095be37 2744 if (win32_pipe(p, 512, ourmode) == -1)
50892819
GS		 2745 return NULL;
2746
498d7dc4
GS		 2747 /* save the old std handle (this needs to happen before the
2748 * dup2(), since that might call SetStdHandle() too) */
2749 OP_REFCNT_LOCK;
2750 lock_held = 1;
2751 old_h = GetStdHandle(nhandle);
2752
564914cd
AS		 2753 /* save current stdfd */
2754 if ((oldfd = win32_dup(stdfd)) == -1)
2755 goto cleanup;
2756
50892819
GS		 2757 /* make stdfd go to child end of pipe (implicitly closes stdfd) */
2758 /* stdfd will be inherited by the child */
2759 if (win32_dup2(p[child], stdfd) == -1)
2760 goto cleanup;
2761
2762 /* close the child end in parent */
2763 win32_close(p[child]);
2764
498d7dc4 2765 /* set the new std handle (in case dup2() above didn't) */
1095be37
GS		 2766 SetStdHandle(nhandle, (HANDLE)_get_osfhandle(stdfd));
2767
50892819 2768 /* start the child */
4f63d024 2769 {
acfe0abc 2770 dTHX;
c5be433b 2771 if ((childpid = do_spawn_nowait((char*)command)) == -1)
4f63d024 2772 goto cleanup;
50892819 2773
498d7dc4
GS		 2774 /* revert stdfd to whatever it was before */
2775 if (win32_dup2(oldfd, stdfd) == -1)
2776 goto cleanup;
2777
564914cd
AS		 2778 /* close saved handle */
2779 win32_close(oldfd);
2780
498d7dc4
GS		 2781 /* restore the old std handle (this needs to happen after the
2782 * dup2(), since that might call SetStdHandle() too */
1095be37
GS		 2783 if (lock_held) {
2784 SetStdHandle(nhandle, old_h);
2785 OP_REFCNT_UNLOCK;
2786 lock_held = 0;
2787 }
2788
4755096e 2789 LOCK_FDPID_MUTEX;
4f63d024 2790 sv_setiv(*av_fetch(w32_fdpid, p[parent], TRUE), childpid);
4755096e 2791 UNLOCK_FDPID_MUTEX;
d91d68c1
RS		 2792
2793 /* set process id so that it can be returned by perl's open() */
2794 PL_forkprocess = childpid;
4f63d024 2795 }
50892819
GS		 2796
2797 /* we have an fd, return a file stream */
00b02797 2798 return (PerlIO_fdopen(p[parent], (char *)mode));
50892819
GS		 2799
2800cleanup:
2801 /* we don't need to check for errors here */
2802 win32_close(p[0]);
2803 win32_close(p[1]);
564914cd
AS		 2804 if (oldfd != -1) {
2805 win32_dup2(oldfd, stdfd);
2806 win32_close(oldfd);
2807 }
1095be37
GS		 2808 if (lock_held) {
2809 SetStdHandle(nhandle, old_h);
2810 OP_REFCNT_UNLOCK;
2811 lock_held = 0;
2812 }
50892819
GS		 2813 return (NULL);
2814
4b556e6c 2815#endif /* USE_RTL_POPEN */
0a753a76 2816}
2817
50892819
GS		 2818/*
2819 * pclose() clone
2820 */
2821
68dc0745 2822DllExport int
00b02797 2823win32_pclose(PerlIO *pf)
0a753a76 2824{
4b556e6c 2825#ifdef USE_RTL_POPEN
390b85e7 2826 return _pclose(pf);
50892819 2827#else
acfe0abc 2828 dTHX;
e17cb2a9
JD		 2829 int childpid, status;
2830 SV *sv;
2831
4755096e 2832 LOCK_FDPID_MUTEX;
00b02797 2833 sv = *av_fetch(w32_fdpid, PerlIO_fileno(pf), TRUE);
4755096e 2834
e17cb2a9
JD		 2835 if (SvIOK(sv))
2836 childpid = SvIVX(sv);
2837 else
2838 childpid = 0;
50892819
GS		 2839
2840 if (!childpid) {
db2fab48 2841 UNLOCK_FDPID_MUTEX;
50892819
GS		 2842 errno = EBADF;
2843 return -1;
2844 }
2845
00b02797
JH		 2846#ifdef USE_PERLIO
2847 PerlIO_close(pf);
2848#else
2849 fclose(pf);
2850#endif
e17cb2a9 2851 SvIVX(sv) = 0;
4755096e 2852 UNLOCK_FDPID_MUTEX;
e17cb2a9 2853
0aaad0ff
GS		 2854 if (win32_waitpid(childpid, &status, 0) == -1)
2855 return -1;
50892819 2856
0aaad0ff 2857 return status;
50892819 2858
4b556e6c 2859#endif /* USE_RTL_POPEN */
0a753a76 2860}
6b980173
JD		 2861
2862static BOOL WINAPI
2863Nt4CreateHardLinkW(
2864 LPCWSTR lpFileName,
2865 LPCWSTR lpExistingFileName,
2866 LPSECURITY_ATTRIBUTES lpSecurityAttributes)
2867{
2868 HANDLE handle;
2869 WCHAR wFullName[MAX_PATH+1];
2870 LPVOID lpContext = NULL;
2871 WIN32_STREAM_ID StreamId;
2872 DWORD dwSize = (char*)&StreamId.cStreamName - (char*)&StreamId;
2873 DWORD dwWritten;
2874 DWORD dwLen;
2875 BOOL bSuccess;
2876
2877 BOOL (__stdcall *pfnBackupWrite)(HANDLE, LPBYTE, DWORD, LPDWORD,
2878 BOOL, BOOL, LPVOID*) =
2879 (BOOL (__stdcall *)(HANDLE, LPBYTE, DWORD, LPDWORD,
2880 BOOL, BOOL, LPVOID*))
2881 GetProcAddress(GetModuleHandle("kernel32.dll"), "BackupWrite");
2882 if (pfnBackupWrite == NULL)
2883 return 0;
2884
2885 dwLen = GetFullPathNameW(lpFileName, MAX_PATH, wFullName, NULL);
2886 if (dwLen == 0)
2887 return 0;
2888 dwLen = (dwLen+1)*sizeof(WCHAR);
2889
2890 handle = CreateFileW(lpExistingFileName, FILE_WRITE_ATTRIBUTES,
2891 FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
2892 NULL, OPEN_EXISTING, 0, NULL);
2893 if (handle == INVALID_HANDLE_VALUE)
2894 return 0;
2895
2896 StreamId.dwStreamId = BACKUP_LINK;
2897 StreamId.dwStreamAttributes = 0;
2898 StreamId.dwStreamNameSize = 0;
6f24f39d
JK		 2899#if defined(__BORLANDC__) \
2900 ||(defined(__MINGW32__) && !defined(_ANONYMOUS_UNION))
4ce4f76e
GS		 2901 StreamId.Size.u.HighPart = 0;
2902 StreamId.Size.u.LowPart = dwLen;
2903#else
6b980173
JD		 2904 StreamId.Size.HighPart = 0;
2905 StreamId.Size.LowPart = dwLen;
4ce4f76e 2906#endif
6b980173
JD		 2907
2908 bSuccess = pfnBackupWrite(handle, (LPBYTE)&StreamId, dwSize, &dwWritten,
2909 FALSE, FALSE, &lpContext);
2910 if (bSuccess) {
2911 bSuccess = pfnBackupWrite(handle, (LPBYTE)wFullName, dwLen, &dwWritten,
2912 FALSE, FALSE, &lpContext);
2913 pfnBackupWrite(handle, NULL, 0, &dwWritten, TRUE, FALSE, &lpContext);
2914 }
2915
2916 CloseHandle(handle);
2917 return bSuccess;
2918}
2919
2920DllExport int
2921win32_link(const char *oldname, const char *newname)
2922{
acfe0abc 2923 dTHX;
6b980173 2924 BOOL (__stdcall *pfnCreateHardLinkW)(LPCWSTR,LPCWSTR,LPSECURITY_ATTRIBUTES);
82867ecf
GS		 2925 WCHAR wOldName[MAX_PATH+1];
2926 WCHAR wNewName[MAX_PATH+1];
6b980173
JD		 2927
2928 if (IsWin95())
1be9d9c6 2929 Perl_croak(aTHX_ PL_no_func, "link");
6b980173
JD		 2930
2931 pfnCreateHardLinkW =
2932 (BOOL (__stdcall *)(LPCWSTR, LPCWSTR, LPSECURITY_ATTRIBUTES))
2933 GetProcAddress(GetModuleHandle("kernel32.dll"), "CreateHardLinkW");
2934 if (pfnCreateHardLinkW == NULL)
2935 pfnCreateHardLinkW = Nt4CreateHardLinkW;
2936
8c56068e
JD		 2937 if (MultiByteToWideChar(CP_ACP, 0, oldname, -1, wOldName, MAX_PATH+1) &&
2938 MultiByteToWideChar(CP_ACP, 0, newname, -1, wNewName, MAX_PATH+1) &&
7766f137 2939 (wcscpy(wOldName, PerlDir_mapW(wOldName)),
8c56068e 2940 pfnCreateHardLinkW(PerlDir_mapW(wNewName), wOldName, NULL)))
6b980173
JD		 2941 {
2942 return 0;
2943 }
2944 errno = (GetLastError() == ERROR_FILE_NOT_FOUND) ? ENOENT : EINVAL;
2945 return -1;
2946}
0a753a76 2947
68dc0745 2948DllExport int
8d9b2e3c 2949win32_rename(const char *oname, const char *newname)
e24c7c18 2950{
65cb15a1
GS		 2951 char szOldName[MAX_PATH+1];
2952 char szNewName[MAX_PATH+1];
7fac1903 2953 BOOL bResult;
acfe0abc 2954 dTHX;
65cb15a1 2955
80252599
GS		 2956 /* XXX despite what the documentation says about MoveFileEx(),
2957 * it doesn't work under Windows95!
2958 */
2959 if (IsWinNT()) {
65cb15a1 2960 DWORD dwFlags = MOVEFILE_COPY_ALLOWED;
8c56068e
JD		 2961 if (stricmp(newname, oname))
2962 dwFlags |= MOVEFILE_REPLACE_EXISTING;
2963 strcpy(szOldName, PerlDir_mapA(oname));
2964 bResult = MoveFileExA(szOldName,PerlDir_mapA(newname), dwFlags);
7fac1903 2965 if (!bResult) {
80252599
GS		 2966 DWORD err = GetLastError();
2967 switch (err) {
2968 case ERROR_BAD_NET_NAME:
2969 case ERROR_BAD_NETPATH:
2970 case ERROR_BAD_PATHNAME:
2971 case ERROR_FILE_NOT_FOUND:
2972 case ERROR_FILENAME_EXCED_RANGE:
2973 case ERROR_INVALID_DRIVE:
2974 case ERROR_NO_MORE_FILES:
2975 case ERROR_PATH_NOT_FOUND:
2976 errno = ENOENT;
2977 break;
2978 default:
2979 errno = EACCES;
2980 break;
2981 }
2982 return -1;
2983 }
2984 return 0;
e24c7c18 2985 }
80252599
GS		 2986 else {
2987 int retval = 0;
65cb15a1 2988 char szTmpName[MAX_PATH+1];
80252599
GS		 2989 char dname[MAX_PATH+1];
2990 char *endname = Nullch;
2991 STRLEN tmplen = 0;
2992 DWORD from_attr, to_attr;
2993
65cb15a1
GS		 2994 strcpy(szOldName, PerlDir_mapA(oname));
2995 strcpy(szNewName, PerlDir_mapA(newname));
2996
80252599 2997 /* if oname doesn't exist, do nothing */
65cb15a1 2998 from_attr = GetFileAttributes(szOldName);
80252599
GS		 2999 if (from_attr == 0xFFFFFFFF) {
3000 errno = ENOENT;
3001 return -1;
3002 }
3003
3004 /* if newname exists, rename it to a temporary name so that we
3005 * don't delete it in case oname happens to be the same file
3006 * (but perhaps accessed via a different path)
3007 */
65cb15a1 3008 to_attr = GetFileAttributes(szNewName);
80252599
GS		 3009 if (to_attr != 0xFFFFFFFF) {
3010 /* if newname is a directory, we fail
3011 * XXX could overcome this with yet more convoluted logic */
3012 if (to_attr & FILE_ATTRIBUTE_DIRECTORY) {
3013 errno = EACCES;
3014 return -1;
3015 }
65cb15a1
GS		 3016 tmplen = strlen(szNewName);
3017 strcpy(szTmpName,szNewName);
3018 endname = szTmpName+tmplen;
3019 for (; endname > szTmpName ; --endname) {
80252599
GS		 3020 if (*endname == '/' || *endname == '\\') {
3021 *endname = '\0';
3022 break;
3023 }
3024 }
65cb15a1
GS		 3025 if (endname > szTmpName)
3026 endname = strcpy(dname,szTmpName);
e24c7c18 3027 else
80252599
GS		 3028 endname = ".";
3029
3030 /* get a temporary filename in same directory
3031 * XXX is this really the best we can do? */
65cb15a1 3032 if (!GetTempFileName((LPCTSTR)endname, "plr", 0, szTmpName)) {
80252599
GS		 3033 errno = ENOENT;
3034 return -1;
3035 }
65cb15a1 3036 DeleteFile(szTmpName);
80252599 3037
65cb15a1 3038 retval = rename(szNewName, szTmpName);
80252599
GS		 3039 if (retval != 0) {
3040 errno = EACCES;
3041 return retval;
e24c7c18
GS		 3042 }
3043 }
80252599
GS		 3044
3045 /* rename oname to newname */
65cb15a1 3046 retval = rename(szOldName, szNewName);
80252599
GS		 3047
3048 /* if we created a temporary file before ... */
3049 if (endname != Nullch) {
3050 /* ...and rename succeeded, delete temporary file/directory */
3051 if (retval == 0)
65cb15a1 3052 DeleteFile(szTmpName);
80252599
GS		 3053 /* else restore it to what it was */
3054 else
65cb15a1 3055 (void)rename(szTmpName, szNewName);
80252599
GS		 3056 }
3057 return retval;
e24c7c18 3058 }
e24c7c18
GS		 3059}
3060
3061DllExport int
68dc0745 3062win32_setmode(int fd, int mode)
0a753a76 3063{
390b85e7 3064 return setmode(fd, mode);
0a753a76 3065}
3066
4a9d6100
GS		 3067DllExport int
3068win32_chsize(int fd, Off_t size)
3069{
3070#if defined(WIN64) || defined(USE_LARGE_FILES)
3071 int retval = 0;
3072 Off_t cur, end, extend;
3073
3074 cur = win32_tell(fd);
3075 if (cur < 0)
3076 return -1;
3077 end = win32_lseek(fd, 0, SEEK_END);
3078 if (end < 0)
3079 return -1;
3080 extend = size - end;
3081 if (extend == 0) {
3082 /* do nothing */
3083 }
3084 else if (extend > 0) {
3085 /* must grow the file, padding with nulls */
3086 char b[4096];
3087 int oldmode = win32_setmode(fd, O_BINARY);
3088 size_t count;
3089 memset(b, '\0', sizeof(b));
3090 do {
3091 count = extend >= sizeof(b) ? sizeof(b) : (size_t)extend;
3092 count = win32_write(fd, b, count);
21424390 3093 if ((int)count < 0) {
4a9d6100
GS		 3094 retval = -1;
3095 break;
3096 }
3097 } while ((extend -= count) > 0);
3098 win32_setmode(fd, oldmode);
3099 }
3100 else {
3101 /* shrink the file */
3102 win32_lseek(fd, size, SEEK_SET);
3103 if (!SetEndOfFile((HANDLE)_get_osfhandle(fd))) {
3104 errno = EACCES;
3105 retval = -1;
3106 }
3107 }
3108finish:
3109 win32_lseek(fd, cur, SEEK_SET);
3110 return retval;
3111#else
8859a7a0 3112 return chsize(fd, (long)size);
4a9d6100
GS		 3113#endif
3114}
3115
c623ac67
GS		 3116DllExport Off_t
3117win32_lseek(int fd, Off_t offset, int origin)
96e4d5b1 3118{
c623ac67 3119#if defined(WIN64) || defined(USE_LARGE_FILES)
a810272a
NS		 3120#if defined(__BORLANDC__) /* buk */
3121 LARGE_INTEGER pos;
3122 pos.QuadPart = offset;
3123 pos.LowPart = SetFilePointer(
3124 (HANDLE)_get_osfhandle(fd),
3125 pos.LowPart,
3126 &pos.HighPart,
3127 origin
3128 );
3129 if (pos.LowPart == INVALID_SET_FILE_POINTER && GetLastError() != NO_ERROR) {
3130 pos.QuadPart = -1;
3131 }
3132
3133 return pos.QuadPart;
3134#else
c623ac67 3135 return _lseeki64(fd, offset, origin);
a810272a 3136#endif
c623ac67 3137#else
8859a7a0 3138 return lseek(fd, (long)offset, origin);
c623ac67 3139#endif
96e4d5b1 3140}
3141
c623ac67 3142DllExport Off_t
96e4d5b1 3143win32_tell(int fd)
3144{
c623ac67 3145#if defined(WIN64) || defined(USE_LARGE_FILES)
05e23382 3146#if defined(__BORLANDC__) /* buk */
a810272a
NS		 3147 LARGE_INTEGER pos;
3148 pos.QuadPart = 0;
3149 pos.LowPart = SetFilePointer(
3150 (HANDLE)_get_osfhandle(fd),
3151 pos.LowPart,
3152 &pos.HighPart,
3153 FILE_CURRENT
3154 );
3155 if (pos.LowPart == INVALID_SET_FILE_POINTER && GetLastError() != NO_ERROR) {
3156 pos.QuadPart = -1;
3157 }
3158
3159 return pos.QuadPart;
3160 /* return tell(fd); */
3161#else
c623ac67 3162 return _telli64(fd);
a810272a 3163#endif
c623ac67 3164#else
390b85e7 3165 return tell(fd);
c623ac67 3166#endif
96e4d5b1 3167}
3168
68dc0745 3169DllExport int
3170win32_open(const char *path, int flag, ...)
0a753a76 3171{
acfe0abc 3172 dTHX;
68dc0745 3173 va_list ap;
3174 int pmode;
0a753a76 3175
3176 va_start(ap, flag);
3177 pmode = va_arg(ap, int);
3178 va_end(ap);
3179
68dc0745 3180 if (stricmp(path, "/dev/null")==0)
7fac1903
GS		 3181 path = "NUL";
3182
7766f137 3183 return open(PerlDir_mapA(path), flag, pmode);
0a753a76 3184}
3185
00b02797
JH		 3186/* close() that understands socket */
3187extern int my_close(int); /* in win32sck.c */
3188
68dc0745 3189DllExport int
3190win32_close(int fd)
0a753a76 3191{
00b02797 3192 return my_close(fd);
0a753a76 3193}
3194
68dc0745 3195DllExport int
96e4d5b1 3196win32_eof(int fd)
3197{
390b85e7 3198 return eof(fd);
96e4d5b1 3199}
3200
3201DllExport int
68dc0745 3202win32_dup(int fd)
0a753a76 3203{
390b85e7 3204 return dup(fd);
0a753a76 3205}
3206
68dc0745 3207DllExport int
3208win32_dup2(int fd1,int fd2)
0a753a76 3209{
390b85e7 3210 return dup2(fd1,fd2);
0a753a76 3211}
3212
f7aeb604
GS		 3213#ifdef PERL_MSVCRT_READFIX
3214
3215#define LF 10 /* line feed */
3216#define CR 13 /* carriage return */
3217#define CTRLZ 26 /* ctrl-z means eof for text */
3218#define FOPEN 0x01 /* file handle open */
3219#define FEOFLAG 0x02 /* end of file has been encountered */
3220#define FCRLF 0x04 /* CR-LF across read buffer (in text mode) */
3221#define FPIPE 0x08 /* file handle refers to a pipe */
3222#define FAPPEND 0x20 /* file handle opened O_APPEND */
3223#define FDEV 0x40 /* file handle refers to device */
3224#define FTEXT 0x80 /* file handle is in text mode */
3225#define MAX_DESCRIPTOR_COUNT (64*32) /* this is the maximun that MSVCRT can handle */
3226
b181b6fb
GS		 3227int __cdecl
3228_fixed_read(int fh, void *buf, unsigned cnt)
f7aeb604
GS		 3229{
3230 int bytes_read; /* number of bytes read */
3231 char *buffer; /* buffer to read to */
3232 int os_read; /* bytes read on OS call */
3233 char *p, *q; /* pointers into buffer */
3234 char peekchr; /* peek-ahead character */
3235 ULONG filepos; /* file position after seek */
3236 ULONG dosretval; /* o.s. return value */
3237
3238 /* validate handle */
3239 if (((unsigned)fh >= (unsigned)MAX_DESCRIPTOR_COUNT) ||
3240 !(_osfile(fh) & FOPEN))
3241 {
3242 /* out of range -- return error */
3243 errno = EBADF;
3244 _doserrno = 0; /* not o.s. error */
3245 return -1;
3246 }
3247
635bbe87
GS		 3248 /*
3249 * If lockinitflag is FALSE, assume fd is device
3250 * lockinitflag is set to TRUE by open.
3251 */
3252 if (_pioinfo(fh)->lockinitflag)
3253 EnterCriticalSection(&(_pioinfo(fh)->lock)); /* lock file */
f7aeb604
GS		 3254
3255 bytes_read = 0; /* nothing read yet */
3256 buffer = (char*)buf;
3257
3258 if (cnt == 0 || (_osfile(fh) & FEOFLAG)) {
3259 /* nothing to read or at EOF, so return 0 read */
3260 goto functionexit;
3261 }
3262
3263 if ((_osfile(fh) & (FPIPE|FDEV)) && _pipech(fh) != LF) {
3264 /* a pipe/device and pipe lookahead non-empty: read the lookahead
3265 * char */
3266 *buffer++ = _pipech(fh);
3267 ++bytes_read;
3268 --cnt;
3269 _pipech(fh) = LF; /* mark as empty */
3270 }
3271
3272 /* read the data */
3273
3274 if (!ReadFile((HANDLE)_osfhnd(fh), buffer, cnt, (LPDWORD)&os_read, NULL))
3275 {
3276 /* ReadFile has reported an error. recognize two special cases.
3277 *
3278 * 1. map ERROR_ACCESS_DENIED to EBADF
3279 *
3280 * 2. just return 0 if ERROR_BROKEN_PIPE has occurred. it
3281 * means the handle is a read-handle on a pipe for which
3282 * all write-handles have been closed and all data has been
3283 * read. */
3284
3285 if ((dosretval = GetLastError()) == ERROR_ACCESS_DENIED) {
3286 /* wrong read/write mode should return EBADF, not EACCES */
3287 errno = EBADF;
3288 _doserrno = dosretval;
3289 bytes_read = -1;
3290 goto functionexit;
3291 }
3292 else if (dosretval == ERROR_BROKEN_PIPE) {
3293 bytes_read = 0;
3294 goto functionexit;
3295 }
3296 else {
3297 bytes_read = -1;
3298 goto functionexit;
3299 }
3300 }
3301
3302 bytes_read += os_read; /* update bytes read */
3303
3304 if (_osfile(fh) & FTEXT) {
3305 /* now must translate CR-LFs to LFs in the buffer */
3306
3307 /* set CRLF flag to indicate LF at beginning of buffer */
3308 /* if ((os_read != 0) && (*(char *)buf == LF)) */
3309 /* _osfile(fh) |= FCRLF; */
3310 /* else */
3311 /* _osfile(fh) &= ~FCRLF; */
3312
3313 _osfile(fh) &= ~FCRLF;
3314
3315 /* convert chars in the buffer: p is src, q is dest */
3316 p = q = (char*)buf;
3317 while (p < (char *)buf + bytes_read) {
3318 if (*p == CTRLZ) {
3319 /* if fh is not a device, set ctrl-z flag */
3320 if (!(_osfile(fh) & FDEV))
3321 _osfile(fh) |= FEOFLAG;
3322 break; /* stop translating */
3323 }
3324 else if (*p != CR)
3325 *q++ = *p++;
3326 else {
3327 /* *p is CR, so must check next char for LF */
3328 if (p < (char *)buf + bytes_read - 1) {
3329 if (*(p+1) == LF) {
3330 p += 2;
3331 *q++ = LF; /* convert CR-LF to LF */
3332 }
3333 else
3334 *q++ = *p++; /* store char normally */
3335 }
3336 else {
3337 /* This is the hard part. We found a CR at end of
3338 buffer. We must peek ahead to see if next char
3339 is an LF. */
3340 ++p;
3341
3342 dosretval = 0;
3343 if (!ReadFile((HANDLE)_osfhnd(fh), &peekchr, 1,
3344 (LPDWORD)&os_read, NULL))
3345 dosretval = GetLastError();
3346
3347 if (dosretval != 0 || os_read == 0) {
3348 /* couldn't read ahead, store CR */
3349 *q++ = CR;
3350 }
3351 else {
3352 /* peekchr now has the extra character -- we now
3353 have several possibilities:
3354 1. disk file and char is not LF; just seek back
3355 and copy CR
3356 2. disk file and char is LF; store LF, don't seek back
3357 3. pipe/device and char is LF; store LF.
3358 4. pipe/device and char isn't LF, store CR and
3359 put char in pipe lookahead buffer. */
3360 if (_osfile(fh) & (FDEV|FPIPE)) {
3361 /* non-seekable device */
3362 if (peekchr == LF)
3363 *q++ = LF;
3364 else {
3365 *q++ = CR;
3366 _pipech(fh) = peekchr;
3367 }
3368 }
3369 else {
3370 /* disk file */
3371 if (peekchr == LF) {
3372 /* nothing read yet; must make some
3373 progress */
3374 *q++ = LF;
3375 /* turn on this flag for tell routine */
3376 _osfile(fh) |= FCRLF;
3377 }
3378 else {
3379 HANDLE osHandle; /* o.s. handle value */
3380 /* seek back */
3381 if ((osHandle = (HANDLE)_get_osfhandle(fh)) != (HANDLE)-1)
3382 {
3383 if ((filepos = SetFilePointer(osHandle, -1, NULL, FILE_CURRENT)) == -1)
3384 dosretval = GetLastError();
3385 }
3386 if (peekchr != LF)
3387 *q++ = CR;
3388 }
3389 }
3390 }
3391 }
3392 }
3393 }
3394
3395 /* we now change bytes_read to reflect the true number of chars
3396 in the buffer */
3397 bytes_read = q - (char *)buf;
3398 }
3399
3fadfdf1 3400functionexit:
635bbe87
GS		 3401 if (_pioinfo(fh)->lockinitflag)
3402 LeaveCriticalSection(&(_pioinfo(fh)->lock)); /* unlock file */
f7aeb604
GS		 3403
3404 return bytes_read;
3405}
3406
3407#endif /* PERL_MSVCRT_READFIX */
3408
68dc0745 3409DllExport int
3e3baf6d 3410win32_read(int fd, void *buf, unsigned int cnt)
0a753a76 3411{
f7aeb604
GS		 3412#ifdef PERL_MSVCRT_READFIX
3413 return _fixed_read(fd, buf, cnt);
3414#else
390b85e7 3415 return read(fd, buf, cnt);
f7aeb604 3416#endif
0a753a76 3417}
3418
68dc0745 3419DllExport int
3e3baf6d 3420win32_write(int fd, const void *buf, unsigned int cnt)
0a753a76 3421{
390b85e7 3422 return write(fd, buf, cnt);
0a753a76 3423}
3424
68dc0745 3425DllExport int
5aabfad6 3426win32_mkdir(const char *dir, int mode)
3427{
acfe0abc 3428 dTHX;
7766f137 3429 return mkdir(PerlDir_mapA(dir)); /* just ignore mode */
5aabfad6 3430}
96e4d5b1 3431
5aabfad6 3432DllExport int
3433win32_rmdir(const char *dir)
3434{
acfe0abc 3435 dTHX;
7766f137 3436 return rmdir(PerlDir_mapA(dir));
5aabfad6 3437}
96e4d5b1 3438
5aabfad6 3439DllExport int
3440win32_chdir(const char *dir)
3441{
4ae93879 3442 dTHX;
9ec3348a
JH		 3443 if (!dir) {
3444 errno = ENOENT;
3445 return -1;
3446 }
390b85e7 3447 return chdir(dir);
5aabfad6 3448}
96e4d5b1 3449
7766f137
GS		 3450DllExport int
3451win32_access(const char *path, int mode)
3452{
acfe0abc 3453 dTHX;
7766f137
GS		 3454 return access(PerlDir_mapA(path), mode);
3455}
3456
3457DllExport int
3458win32_chmod(const char *path, int mode)
3459{
acfe0abc 3460 dTHX;
7766f137
GS		 3461 return chmod(PerlDir_mapA(path), mode);
3462}
3463
3464
0aaad0ff 3465static char *
dd7038b3 3466create_command_line(char *cname, STRLEN clen, const char * const *args)
0aaad0ff 3467{
acfe0abc 3468 dTHX;
b309b8ae
JH		 3469 int index, argc;
3470 char *cmd, *ptr;
3471 const char *arg;
3472 STRLEN len = 0;
81bc1258 3473 bool bat_file = FALSE;
b309b8ae 3474 bool cmd_shell = FALSE;
7b11e424 3475 bool dumb_shell = FALSE;
b309b8ae 3476 bool extra_quotes = FALSE;
dd7038b3 3477 bool quote_next = FALSE;
81bc1258
JH		 3478
3479 if (!cname)
3480 cname = (char*)args[0];
b309b8ae
JH		 3481
3482 /* The NT cmd.exe shell has the following peculiarity that needs to be
3483 * worked around. It strips a leading and trailing dquote when any
3484 * of the following is true:
3485 * 1. the /S switch was used
3486 * 2. there are more than two dquotes
3487 * 3. there is a special character from this set: &<>()@^|
3488 * 4. no whitespace characters within the two dquotes
3489 * 5. string between two dquotes isn't an executable file
3490 * To work around this, we always add a leading and trailing dquote
3491 * to the string, if the first argument is either "cmd.exe" or "cmd",
3492 * and there were at least two or more arguments passed to cmd.exe
3493 * (not including switches).
dd7038b3
JH		 3494 * XXX the above rules (from "cmd /?") don't seem to be applied
3495 * always, making for the convolutions below :-(
b309b8ae 3496 */
81bc1258 3497 if (cname) {
dd7038b3
JH		 3498 if (!clen)
3499 clen = strlen(cname);
3500
81bc1258
JH		 3501 if (clen > 4
3502 && (stricmp(&cname[clen-4], ".bat") == 0
3503 || (IsWinNT() && stricmp(&cname[clen-4], ".cmd") == 0)))
3504 {
3505 bat_file = TRUE;
96090bfd
B		 3506 if (!IsWin95())
3507 len += 3;
81bc1258 3508 }
dd7038b3
JH		 3509 else {
3510 char *exe = strrchr(cname, '/');
3511 char *exe2 = strrchr(cname, '\\');
3512 if (exe2 > exe)
3513 exe = exe2;
3514 if (exe)
3515 ++exe;
3516 else
3517 exe = cname;
3518 if (stricmp(exe, "cmd.exe") == 0 || stricmp(exe, "cmd") == 0) {
3519 cmd_shell = TRUE;
3520 len += 3;
3521 }
7b11e424
JH		 3522 else if (stricmp(exe, "command.com") == 0
3523 || stricmp(exe, "command") == 0)
3524 {
3525 dumb_shell = TRUE;
3526 }
81bc1258 3527 }
b309b8ae 3528 }
0aaad0ff 3529
b309b8ae
JH		 3530 DEBUG_p(PerlIO_printf(Perl_debug_log, "Args "));
3531 for (index = 0; (arg = (char*)args[index]) != NULL; ++index) {
3532 STRLEN curlen = strlen(arg);
3533 if (!(arg[0] == '"' && arg[curlen-1] == '"'))
3534 len += 2; /* assume quoting needed (worst case) */
3535 len += curlen + 1;
3536 DEBUG_p(PerlIO_printf(Perl_debug_log, "[%s]",arg));
3537 }
3538 DEBUG_p(PerlIO_printf(Perl_debug_log, "\n"));
0aaad0ff 3539
b309b8ae 3540 argc = index;
a02a5408 3541 Newx(cmd, len, char);
0aaad0ff 3542 ptr = cmd;
0aaad0ff 3543
96090bfd 3544 if (bat_file && !IsWin95()) {
81bc1258
JH		 3545 *ptr++ = '"';
3546 extra_quotes = TRUE;
3547 }
3548
0aaad0ff 3549 for (index = 0; (arg = (char*)args[index]) != NULL; ++index) {
b309b8ae
JH		 3550 bool do_quote = 0;
3551 STRLEN curlen = strlen(arg);
3552
81bc1258
JH		 3553 /* we want to protect empty arguments and ones with spaces with
3554 * dquotes, but only if they aren't already there */
7b11e424
JH		 3555 if (!dumb_shell) {
3556 if (!curlen) {
3557 do_quote = 1;
3558 }
02ef22d5
JH		 3559 else if (quote_next) {
3560 /* see if it really is multiple arguments pretending to
3561 * be one and force a set of quotes around it */
3562 if (*find_next_space(arg))
3563 do_quote = 1;
3564 }
7b11e424
JH		 3565 else if (!(arg[0] == '"' && curlen > 1 && arg[curlen-1] == '"')) {
3566 STRLEN i = 0;
3567 while (i < curlen) {
3568 if (isSPACE(arg[i])) {
3569 do_quote = 1;
02ef22d5
JH		 3570 }
3571 else if (arg[i] == '"') {
3572 do_quote = 0;
7b11e424
JH		 3573 break;
3574 }
3575 i++;
b309b8ae 3576 }
b309b8ae 3577 }
dd7038b3 3578 }
b309b8ae
JH		 3579
3580 if (do_quote)
3581 *ptr++ = '"';
3582
18a945d4 3583 strcpy(ptr, arg);
b309b8ae
JH		 3584 ptr += curlen;
3585
3586 if (do_quote)
3587 *ptr++ = '"';
3588
3589 if (args[index+1])
3590 *ptr++ = ' ';
3591
81bc1258
JH		 3592 if (!extra_quotes
3593 && cmd_shell
11998fdb
GS		 3594 && curlen >= 2
3595 && *arg == '/' /* see if arg is "/c", "/x/c", "/x/d/c" etc. */
3596 && stricmp(arg+curlen-2, "/c") == 0)
b309b8ae 3597 {
dd7038b3
JH		 3598 /* is there a next argument? */
3599 if (args[index+1]) {
3600 /* are there two or more next arguments? */
3601 if (args[index+2]) {
3602 *ptr++ = '"';
3603 extra_quotes = TRUE;
3604 }
3605 else {
02ef22d5 3606 /* single argument, force quoting if it has spaces */
dd7038b3
JH		 3607 quote_next = TRUE;
3608 }
3609 }
b309b8ae 3610 }
0aaad0ff
GS		 3611 }
3612
b309b8ae
JH		 3613 if (extra_quotes)
3614 *ptr++ = '"';
3615
3616 *ptr = '\0';
3617
0aaad0ff
GS		 3618 return cmd;
3619}
3620
3621static char *
3622qualified_path(const char *cmd)
3623{
acfe0abc 3624 dTHX;