This is a live mirror of the Perl 5 development currently hosted at https://github.com/perl/perl5
Fixes to allow win32 Perl to properly handle PERL5LIB.
[perl5.git] / win32 / win32.c
CommitLineData
68dc0745
PP
1/* WIN32.C
2 *
3fadfdf1 3 * (c) 1995 Microsoft Corporation. All rights reserved.
0d130a44 4 * Developed by hip communications inc.
68dc0745
PP
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
PP
11#define WIN32_LEAN_AND_MEAN
12#define WIN32IO_IS_STDIO
13#include <tchar.h>
8cbe99e5 14
a835ef8a 15#ifdef __GNUC__
8cbe99e5
JD
16# define Win32_Winsock
17#endif
18
19#ifndef _WIN32_WINNT
20# define _WIN32_WINNT 0x0500 /* needed for CreateHardlink() etc. */
a835ef8a 21#endif
8cbe99e5 22
0a753a76 23#include <windows.h>
8cbe99e5 24
8e564886
JD
25#ifndef HWND_MESSAGE
26# define HWND_MESSAGE ((HWND)-3)
27#endif
28
29#ifndef PROCESSOR_ARCHITECTURE_AMD64
30# define PROCESSOR_ARCHITECTURE_AMD64 9
31#endif
32
33#ifndef WC_NO_BEST_FIT_CHARS
34# define WC_NO_BEST_FIT_CHARS 0x00000400
35#endif
36
5db10396 37#include <winnt.h>
4ebea3c6 38#include <commctrl.h>
542cb85f 39#include <tlhelp32.h>
5db10396 40#include <io.h>
c843839f 41#include <signal.h>
0a753a76 42
68dc0745 43/* #include "config.h" */
0a753a76 44
0a753a76 45#if !defined(PERLIO_IS_STDIO) && !defined(USE_SFIO)
8cbe99e5 46# define PerlIO FILE
0a753a76
PP
47#endif
48
7a9ec5a3 49#include <sys/stat.h>
0a753a76
PP
50#include "EXTERN.h"
51#include "perl.h"
c69f6586
GS
52
53#define NO_XSLOCKS
c5be433b 54#define PERL_NO_GET_CONTEXT
ad2e33dc 55#include "XSUB.h"
c69f6586 56
0a753a76 57#include <fcntl.h>
5b0d9cbe
NIS
58#ifndef __GNUC__
59/* assert.h conflicts with #define of assert in perl.h */
8cbe99e5 60# include <assert.h>
5b0d9cbe 61#endif
8cbe99e5 62
0a753a76
PP
63#include <string.h>
64#include <stdarg.h>
ad2e33dc 65#include <float.h>
ad0751ec 66#include <time.h>
8cbe99e5 67
3730b96e 68#if defined(_MSC_VER) || defined(__MINGW32__)
8cbe99e5 69# include <sys/utime.h>
ad0751ec 70#else
8cbe99e5 71# include <utime.h>
ad0751ec 72#endif
8cbe99e5 73
5b0d9cbe 74#ifdef __GNUC__
3fadfdf1 75/* Mingw32 defaults to globing command line
5b0d9cbe
NIS
76 * So we turn it off like this:
77 */
78int _CRT_glob = 0;
79#endif
80
7c5b6093
AB
81#if defined(__MINGW32__) && (__MINGW32_MAJOR_VERSION==1)
82/* Mingw32-1.1 is missing some prototypes */
d06fc7d4 83START_EXTERN_C
f8fb7c90
GS
84FILE * _wfopen(LPCWSTR wszFileName, LPCWSTR wszMode);
85FILE * _wfdopen(int nFd, LPCWSTR wszMode);
86FILE * _freopen(LPCWSTR wszFileName, LPCWSTR wszMode, FILE * pOldStream);
87int _flushall();
88int _fcloseall();
d06fc7d4 89END_EXTERN_C
2b260de0
GS
90#endif
91
92#if defined(__BORLANDC__)
0b94c7bb
GS
93# define _stat stat
94# define _utimbuf utimbuf
95#endif
96
6890e559
GS
97#define EXECF_EXEC 1
98#define EXECF_SPAWN 2
99#define EXECF_SPAWN_NOWAIT 3
100
32e30700
GS
101#if defined(PERL_IMPLICIT_SYS)
102# undef win32_get_privlib
103# define win32_get_privlib g_win32_get_privlib
104# undef win32_get_sitelib
105# define win32_get_sitelib g_win32_get_sitelib
4ea817c6
GS
106# undef win32_get_vendorlib
107# define win32_get_vendorlib g_win32_get_vendorlib
32e30700
GS
108# undef getlogin
109# define getlogin g_getlogin
110#endif
111
ce1da67e 112static void get_shell(void);
dff6d3cd 113static long tokenize(const char *str, char **dest, char ***destv);
08039b81
SH
114static int do_spawn2(pTHX_ const char *cmd, int exectype);
115static BOOL has_shell_metachars(const char *ptr);
2d7a9237 116static long filetime_to_clock(PFILETIME ft);
ad0751ec 117static BOOL filetime_from_time(PFILETIME ft, time_t t);
e6a0bbf8
NC
118static char * get_emd_part(SV **leading, STRLEN *const len,
119 char *trailing, ...);
0aaad0ff
GS
120static void remove_dead_process(long deceased);
121static long find_pid(int pid);
122static char * qualified_path(const char *cmd);
4ea817c6 123static char * win32_get_xlib(const char *pl, const char *xlib,
e6a0bbf8 124 const char *libname, STRLEN *const len);
099b16d3
RM
125static LRESULT win32_process_message(HWND hwnd, UINT msg,
126 WPARAM wParam, LPARAM lParam);
4ea817c6 127
7766f137
GS
128#ifdef USE_ITHREADS
129static void remove_dead_pseudo_process(long child);
130static long find_pseudo_pid(int pid);
131#endif
c69f6586 132
7766f137 133START_EXTERN_C
2d7a9237 134HANDLE w32_perldll_handle = INVALID_HANDLE_VALUE;
8ac9c18d 135char w32_module_name[MAX_PATH+1];
7766f137
GS
136END_EXTERN_C
137
aeecf691 138static OSVERSIONINFO g_osver = {0, 0, 0, 0, 0, ""};
50892819 139
3a00b83e
SH
140#ifdef __BORLANDC__
141/* Silence STDERR grumblings from Borland's math library. */
142DllExport int
143_matherr(struct _exception *a)
144{
145 PERL_UNUSED_VAR(a);
146 return 1;
147}
148#endif
149
58d049f0
JD
150/* VS2005 (MSC version 14) provides a mechanism to set an invalid
151 * parameter handler. This functionality is not available in the
152 * 64-bit compiler from the Platform SDK, which unfortunately also
153 * believes itself to be MSC version 14.
154 *
155 * There is no #define related to _set_invalid_parameter_handler(),
156 * but we can check for one of the constants defined for
157 * _set_abort_behavior(), which was introduced into stdlib.h at
158 * the same time.
159 */
160
161#if _MSC_VER >= 1400 && defined(_WRITE_ABORT_MSG)
162# define SET_INVALID_PARAMETER_HANDLER
163#endif
164
165#ifdef SET_INVALID_PARAMETER_HANDLER
0448a0bd
SH
166void my_invalid_parameter_handler(const wchar_t* expression,
167 const wchar_t* function,
168 const wchar_t* file,
169 unsigned int line,
170 uintptr_t pReserved)
171{
172# ifdef _DEBUG
173 wprintf(L"Invalid parameter detected in function %s."
174 L" File: %s Line: %d\n", function, file, line);
175 wprintf(L"Expression: %s\n", expression);
176# endif
177}
178#endif
179
2fa86c13
GS
180EXTERN_C void
181set_w32_module_name(void)
182{
aa2b96ec 183 /* this function may be called at DLL_PROCESS_ATTACH time */
2fa86c13 184 char* ptr;
aa2b96ec
JD
185 HMODULE module = (HMODULE)((w32_perldll_handle == INVALID_HANDLE_VALUE)
186 ? GetModuleHandle(NULL)
187 : w32_perldll_handle);
2fa86c13 188
aa2b96ec
JD
189 OSVERSIONINFO osver; /* g_osver may not yet be initialized */
190 osver.dwOSVersionInfoSize = sizeof(osver);
191 GetVersionEx(&osver);
be9da6a9 192
3839a0fa 193 if (osver.dwMajorVersion > 4) {
aa2b96ec
JD
194 WCHAR modulename[MAX_PATH];
195 WCHAR fullname[MAX_PATH];
196 char *ansi;
197
ad256131
JD
198 DWORD (__stdcall *pfnGetLongPathNameW)(LPCWSTR, LPWSTR, DWORD) =
199 (DWORD (__stdcall *)(LPCWSTR, LPWSTR, DWORD))
200 GetProcAddress(GetModuleHandle("kernel32.dll"), "GetLongPathNameW");
201
aa2b96ec
JD
202 GetModuleFileNameW(module, modulename, sizeof(modulename)/sizeof(WCHAR));
203
204 /* Make sure we get an absolute pathname in case the module was loaded
205 * explicitly by LoadLibrary() with a relative path. */
206 GetFullPathNameW(modulename, sizeof(fullname)/sizeof(WCHAR), fullname, NULL);
207
ad256131
JD
208 /* Make sure we start with the long path name of the module because we
209 * later scan for pathname components to match "5.xx" to locate
210 * compatible sitelib directories, and the short pathname might mangle
211 * this path segment (e.g. by removing the dot on NTFS to something
212 * like "5xx~1.yy") */
213 if (pfnGetLongPathNameW)
214 pfnGetLongPathNameW(fullname, fullname, sizeof(fullname)/sizeof(WCHAR));
215
aa2b96ec
JD
216 /* remove \\?\ prefix */
217 if (memcmp(fullname, L"\\\\?\\", 4*sizeof(WCHAR)) == 0)
218 memmove(fullname, fullname+4, (wcslen(fullname+4)+1)*sizeof(WCHAR));
219
220 ansi = win32_ansipath(fullname);
221 my_strlcpy(w32_module_name, ansi, sizeof(w32_module_name));
222 win32_free(ansi);
223 }
224 else {
225 GetModuleFileName(module, w32_module_name, sizeof(w32_module_name));
226
227 /* remove \\?\ prefix */
228 if (memcmp(w32_module_name, "\\\\?\\", 4) == 0)
229 memmove(w32_module_name, w32_module_name+4, strlen(w32_module_name+4)+1);
230
231 /* try to get full path to binary (which may be mangled when perl is
232 * run from a 16-bit app) */
233 /*PerlIO_printf(Perl_debug_log, "Before %s\n", w32_module_name);*/
234 win32_longpath(w32_module_name);
235 /*PerlIO_printf(Perl_debug_log, "After %s\n", w32_module_name);*/
236 }
2fa86c13
GS
237
238 /* normalize to forward slashes */
239 ptr = w32_module_name;
240 while (*ptr) {
241 if (*ptr == '\\')
242 *ptr = '/';
243 ++ptr;
244 }
245}
246
c5be433b 247/* *svp (if non-NULL) is expected to be POK (valid allocated SvPVX(*svp)) */
51371543 248static char*
c5be433b 249get_regstr_from(HKEY hkey, const char *valuename, SV **svp)
349ad1fe
GS
250{
251 /* Retrieve a REG_SZ or REG_EXPAND_SZ from the registry */
00dc2f4f
GS
252 HKEY handle;
253 DWORD type;
254 const char *subkey = "Software\\Perl";
4e205ed6 255 char *str = NULL;
00dc2f4f
GS
256 long retval;
257
258 retval = RegOpenKeyEx(hkey, subkey, 0, KEY_READ, &handle);
349ad1fe 259 if (retval == ERROR_SUCCESS) {
51371543
GS
260 DWORD datalen;
261 retval = RegQueryValueEx(handle, valuename, 0, &type, NULL, &datalen);
1c94caf4
GS
262 if (retval == ERROR_SUCCESS
263 && (type == REG_SZ || type == REG_EXPAND_SZ))
264 {
acfe0abc 265 dTHX;
c5be433b
GS
266 if (!*svp)
267 *svp = sv_2mortal(newSVpvn("",0));
268 SvGROW(*svp, datalen);
51371543 269 retval = RegQueryValueEx(handle, valuename, 0, NULL,
c5be433b 270 (PBYTE)SvPVX(*svp), &datalen);
51371543 271 if (retval == ERROR_SUCCESS) {
c5be433b
GS
272 str = SvPVX(*svp);
273 SvCUR_set(*svp,datalen-1);
51371543 274 }
00dc2f4f
GS
275 }
276 RegCloseKey(handle);
277 }
349ad1fe 278 return str;
00dc2f4f
GS
279}
280
c5be433b 281/* *svp (if non-NULL) is expected to be POK (valid allocated SvPVX(*svp)) */
51371543 282static char*
c5be433b 283get_regstr(const char *valuename, SV **svp)
00dc2f4f 284{
c5be433b 285 char *str = get_regstr_from(HKEY_CURRENT_USER, valuename, svp);
349ad1fe 286 if (!str)
c5be433b 287 str = get_regstr_from(HKEY_LOCAL_MACHINE, valuename, svp);
349ad1fe 288 return str;
00dc2f4f
GS
289}
290
c5be433b 291/* *prev_pathp (if non-NULL) is expected to be POK (valid allocated SvPVX(sv)) */
e5a95ffb 292static char *
e6a0bbf8 293get_emd_part(SV **prev_pathp, STRLEN *const len, char *trailing_path, ...)
00dc2f4f 294{
dc9e4912 295 char base[10];
e5a95ffb 296 va_list ap;
e24c7c18 297 char mod_name[MAX_PATH+1];
00dc2f4f 298 char *ptr;
e5a95ffb
GS
299 char *optr;
300 char *strip;
273cf8d1 301 STRLEN baselen;
e5a95ffb
GS
302
303 va_start(ap, trailing_path);
304 strip = va_arg(ap, char *);
305
273cf8d1
GS
306 sprintf(base, "%d.%d", (int)PERL_REVISION, (int)PERL_VERSION);
307 baselen = strlen(base);
dc9e4912 308
8ac9c18d 309 if (!*w32_module_name) {
2fa86c13 310 set_w32_module_name();
95140b98 311 }
8ac9c18d 312 strcpy(mod_name, w32_module_name);
95140b98 313 ptr = strrchr(mod_name, '/');
e5a95ffb
GS
314 while (ptr && strip) {
315 /* look for directories to skip back */
316 optr = ptr;
00dc2f4f 317 *ptr = '\0';
95140b98 318 ptr = strrchr(mod_name, '/');
1c39adb2
GS
319 /* avoid stripping component if there is no slash,
320 * or it doesn't match ... */
e5a95ffb 321 if (!ptr || stricmp(ptr+1, strip) != 0) {
273cf8d1 322 /* ... but not if component matches m|5\.$patchlevel.*| */
1c39adb2 323 if (!ptr || !(*strip == '5' && *(ptr+1) == '5'
273cf8d1
GS
324 && strncmp(strip, base, baselen) == 0
325 && strncmp(ptr+1, base, baselen) == 0))
95140b98
GS
326 {
327 *optr = '/';
80252599
GS
328 ptr = optr;
329 }
00dc2f4f 330 }
e5a95ffb 331 strip = va_arg(ap, char *);
00dc2f4f 332 }
e5a95ffb
GS
333 if (!ptr) {
334 ptr = mod_name;
335 *ptr++ = '.';
95140b98 336 *ptr = '/';
00dc2f4f 337 }
e5a95ffb
GS
338 va_end(ap);
339 strcpy(++ptr, trailing_path);
340
dc9e4912 341 /* only add directory if it exists */
349ad1fe 342 if (GetFileAttributes(mod_name) != (DWORD) -1) {
dc9e4912 343 /* directory exists */
acfe0abc 344 dTHX;
c5be433b
GS
345 if (!*prev_pathp)
346 *prev_pathp = sv_2mortal(newSVpvn("",0));
f0c8bec2
SH
347 else if (SvPVX(*prev_pathp))
348 sv_catpvn(*prev_pathp, ";", 1);
c5be433b 349 sv_catpv(*prev_pathp, mod_name);
e6a0bbf8
NC
350 if(len)
351 *len = SvCUR(*prev_pathp);
c5be433b 352 return SvPVX(*prev_pathp);
00dc2f4f 353 }
00dc2f4f 354
4e205ed6 355 return NULL;
00dc2f4f
GS
356}
357
358char *
e6a0bbf8 359win32_get_privlib(const char *pl, STRLEN *const len)
00dc2f4f 360{
acfe0abc 361 dTHX;
e5a95ffb
GS
362 char *stdlib = "lib";
363 char buffer[MAX_PATH+1];
4e205ed6 364 SV *sv = NULL;
00dc2f4f 365
e5a95ffb
GS
366 /* $stdlib = $HKCU{"lib-$]"} || $HKLM{"lib-$]"} || $HKCU{"lib"} || $HKLM{"lib"} || ""; */
367 sprintf(buffer, "%s-%s", stdlib, pl);
c5be433b
GS
368 if (!get_regstr(buffer, &sv))
369 (void)get_regstr(stdlib, &sv);
00dc2f4f 370
e5a95ffb 371 /* $stdlib .= ";$EMD/../../lib" */
e6a0bbf8 372 return get_emd_part(&sv, len, stdlib, ARCHNAME, "bin", NULL);
00dc2f4f
GS
373}
374
4ea817c6 375static char *
e6a0bbf8
NC
376win32_get_xlib(const char *pl, const char *xlib, const char *libname,
377 STRLEN *const len)
00dc2f4f 378{
acfe0abc 379 dTHX;
e5a95ffb 380 char regstr[40];
e24c7c18 381 char pathstr[MAX_PATH+1];
4e205ed6
SP
382 SV *sv1 = NULL;
383 SV *sv2 = NULL;
00dc2f4f 384
4ea817c6
GS
385 /* $HKCU{"$xlib-$]"} || $HKLM{"$xlib-$]"} . ---; */
386 sprintf(regstr, "%s-%s", xlib, pl);
c5be433b 387 (void)get_regstr(regstr, &sv1);
e5a95ffb 388
4ea817c6
GS
389 /* $xlib .=
390 * ";$EMD/" . ((-d $EMD/../../../$]) ? "../../.." : "../.."). "/$libname/$]/lib"; */
391 sprintf(pathstr, "%s/%s/lib", libname, pl);
e6a0bbf8 392 (void)get_emd_part(&sv1, NULL, pathstr, ARCHNAME, "bin", pl, NULL);
00dc2f4f 393
4ea817c6
GS
394 /* $HKCU{$xlib} || $HKLM{$xlib} . ---; */
395 (void)get_regstr(xlib, &sv2);
00dc2f4f 396
4ea817c6
GS
397 /* $xlib .=
398 * ";$EMD/" . ((-d $EMD/../../../$]) ? "../../.." : "../.."). "/$libname/lib"; */
399 sprintf(pathstr, "%s/lib", libname);
e6a0bbf8 400 (void)get_emd_part(&sv2, NULL, pathstr, ARCHNAME, "bin", pl, NULL);
e5a95ffb 401
51371543 402 if (!sv1 && !sv2)
4e205ed6 403 return NULL;
e6a0bbf8
NC
404 if (!sv1) {
405 sv1 = sv2;
406 } else if (sv2) {
407 sv_catpvn(sv1, ";", 1);
408 sv_catsv(sv1, sv2);
409 }
e5a95ffb 410
e6a0bbf8
NC
411 if (len)
412 *len = SvCUR(sv1);
349ad1fe 413 return SvPVX(sv1);
68dc0745 414}
0a753a76 415
4ea817c6 416char *
e6a0bbf8 417win32_get_sitelib(const char *pl, STRLEN *const len)
4ea817c6 418{
e6a0bbf8 419 return win32_get_xlib(pl, "sitelib", "site", len);
4ea817c6
GS
420}
421
422#ifndef PERL_VENDORLIB_NAME
423# define PERL_VENDORLIB_NAME "vendor"
424#endif
425
426char *
e6a0bbf8 427win32_get_vendorlib(const char *pl, STRLEN *const len)
4ea817c6 428{
e6a0bbf8 429 return win32_get_xlib(pl, "vendorlib", PERL_VENDORLIB_NAME, len);
4ea817c6 430}
b4793f7f 431
2d7a9237 432static BOOL
08039b81 433has_shell_metachars(const char *ptr)
68dc0745
PP
434{
435 int inquote = 0;
436 char quote = '\0';
437
438 /*
439 * Scan string looking for redirection (< or >) or pipe
e200fe59
JD
440 * characters (|) that are not in a quoted string.
441 * Shell variable interpolation (%VAR%) can also happen inside strings.
68dc0745 442 */
9404a519 443 while (*ptr) {
68dc0745 444 switch(*ptr) {
e200fe59
JD
445 case '%':
446 return TRUE;
68dc0745
PP
447 case '\'':
448 case '\"':
9404a519
GS
449 if (inquote) {
450 if (quote == *ptr) {
68dc0745
PP
451 inquote = 0;
452 quote = '\0';
0a753a76 453 }
68dc0745
PP
454 }
455 else {
456 quote = *ptr;
457 inquote++;
458 }
459 break;
460 case '>':
461 case '<':
462 case '|':
9404a519 463 if (!inquote)
68dc0745
PP
464 return TRUE;
465 default:
466 break;
0a753a76 467 }
68dc0745
PP
468 ++ptr;
469 }
470 return FALSE;
0a753a76
PP
471}
472
32e30700 473#if !defined(PERL_IMPLICIT_SYS)
68dc0745
PP
474/* since the current process environment is being updated in util.c
475 * the library functions will get the correct environment
476 */
477PerlIO *
79d39d80 478Perl_my_popen(pTHX_ const char *cmd, const char *mode)
0a753a76 479{
45bc9206 480 PERL_FLUSHALL_FOR_CHILD;
0a753a76 481 return win32_popen(cmd, mode);
0a753a76
PP
482}
483
68dc0745 484long
4f63d024 485Perl_my_pclose(pTHX_ PerlIO *fp)
0a753a76
PP
486{
487 return win32_pclose(fp);
488}
c69f6586 489#endif
0a753a76 490
0cb96387
GS
491DllExport unsigned long
492win32_os_id(void)
0a753a76 493{
aeecf691 494 return (unsigned long)g_osver.dwPlatformId;
0a753a76
PP
495}
496
7766f137
GS
497DllExport int
498win32_getpid(void)
499{
500#ifdef USE_ITHREADS
acfe0abc 501 dTHX;
7766f137
GS
502 if (w32_pseudo_id)
503 return -((int)w32_pseudo_id);
504#endif
8cbe99e5 505 return _getpid();
7766f137
GS
506}
507
ce1da67e
GS
508/* Tokenize a string. Words are null-separated, and the list
509 * ends with a doubled null. Any character (except null and
510 * including backslash) may be escaped by preceding it with a
511 * backslash (the backslash will be stripped).
512 * Returns number of words in result buffer.
513 */
514static long
dff6d3cd 515tokenize(const char *str, char **dest, char ***destv)
ce1da67e 516{
4e205ed6 517 char *retstart = NULL;
ce1da67e
GS
518 char **retvstart = 0;
519 int items = -1;
520 if (str) {
acfe0abc 521 dTHX;
ce1da67e
GS
522 int slen = strlen(str);
523 register char *ret;
524 register char **retv;
a02a5408
JC
525 Newx(ret, slen+2, char);
526 Newx(retv, (slen+3)/2, char*);
ce1da67e
GS
527
528 retstart = ret;
529 retvstart = retv;
530 *retv = ret;
531 items = 0;
532 while (*str) {
533 *ret = *str++;
534 if (*ret == '\\' && *str)
535 *ret = *str++;
536 else if (*ret == ' ') {
537 while (*str == ' ')
538 str++;
539 if (ret == retstart)
540 ret--;
541 else {
542 *ret = '\0';
543 ++items;
544 if (*str)
545 *++retv = ret+1;
546 }
547 }
548 else if (!*str)
549 ++items;
550 ret++;
551 }
4e205ed6 552 retvstart[items] = NULL;
ce1da67e
GS
553 *ret++ = '\0';
554 *ret = '\0';
555 }
556 *dest = retstart;
557 *destv = retvstart;
558 return items;
559}
560
561static void
2d7a9237 562get_shell(void)
0a753a76 563{
acfe0abc 564 dTHX;
ce1da67e 565 if (!w32_perlshell_tokens) {
174c211a
GS
566 /* we don't use COMSPEC here for two reasons:
567 * 1. the same reason perl on UNIX doesn't use SHELL--rampant and
568 * uncontrolled unportability of the ensuing scripts.
569 * 2. PERL5SHELL could be set to a shell that may not be fit for
570 * interactive use (which is what most programs look in COMSPEC
571 * for).
572 */
8cbe99e5 573 const char* defaultshell = "cmd.exe /x/d/c";
2fb9ab56 574 const char *usershell = PerlEnv_getenv("PERL5SHELL");
ce1da67e
GS
575 w32_perlshell_items = tokenize(usershell ? usershell : defaultshell,
576 &w32_perlshell_tokens,
577 &w32_perlshell_vec);
68dc0745 578 }
0a753a76
PP
579}
580
68dc0745 581int
54725af6 582Perl_do_aspawn(pTHX_ SV *really, SV **mark, SV **sp)
0a753a76 583{
68dc0745 584 char **argv;
2d7a9237 585 char *str;
68dc0745 586 int status;
2d7a9237 587 int flag = P_WAIT;
68dc0745 588 int index = 0;
68dc0745 589
7918f24d
NC
590 PERL_ARGS_ASSERT_DO_ASPAWN;
591
2d7a9237
GS
592 if (sp <= mark)
593 return -1;
68dc0745 594
ce1da67e 595 get_shell();
a02a5408 596 Newx(argv, (sp - mark) + w32_perlshell_items + 2, char*);
2d7a9237
GS
597
598 if (SvNIOKp(*(mark+1)) && !SvPOKp(*(mark+1))) {
599 ++mark;
600 flag = SvIVx(*mark);
68dc0745
PP
601 }
602
9404a519 603 while (++mark <= sp) {
bb897dfc 604 if (*mark && (str = SvPV_nolen(*mark)))
2d7a9237
GS
605 argv[index++] = str;
606 else
607 argv[index++] = "";
68dc0745
PP
608 }
609 argv[index++] = 0;
3fadfdf1 610
2d7a9237 611 status = win32_spawnvp(flag,
bb897dfc 612 (const char*)(really ? SvPV_nolen(really) : argv[0]),
2d7a9237
GS
613 (const char* const*)argv);
614
80252599 615 if (status < 0 && (errno == ENOEXEC || errno == ENOENT)) {
2d7a9237 616 /* possible shell-builtin, invoke with shell */
ce1da67e
GS
617 int sh_items;
618 sh_items = w32_perlshell_items;
2d7a9237
GS
619 while (--index >= 0)
620 argv[index+sh_items] = argv[index];
ce1da67e
GS
621 while (--sh_items >= 0)
622 argv[sh_items] = w32_perlshell_vec[sh_items];
3fadfdf1 623
2d7a9237 624 status = win32_spawnvp(flag,
bb897dfc 625 (const char*)(really ? SvPV_nolen(really) : argv[0]),
2d7a9237
GS
626 (const char* const*)argv);
627 }
68dc0745 628
922b1888 629 if (flag == P_NOWAIT) {
40c7cc6d 630 PL_statusvalue = -1; /* >16bits hint for pp_system() */
922b1888
GS
631 }
632 else {
50892819 633 if (status < 0) {
0453d815 634 if (ckWARN(WARN_EXEC))
f98bc0c6 635 Perl_warner(aTHX_ packWARN(WARN_EXEC), "Can't spawn \"%s\": %s", argv[0], strerror(errno));
50892819
GS
636 status = 255 * 256;
637 }
638 else
639 status *= 256;
b28d0864 640 PL_statusvalue = status;
5aabfad6 641 }
ce1da67e 642 Safefree(argv);
50892819 643 return (status);
68dc0745
PP
644}
645
dd7038b3
JH
646/* returns pointer to the next unquoted space or the end of the string */
647static char*
648find_next_space(const char *s)
649{
650 bool in_quotes = FALSE;
651 while (*s) {
652 /* ignore doubled backslashes, or backslash+quote */
653 if (*s == '\\' && (s[1] == '\\' || s[1] == '"')) {
654 s += 2;
655 }
656 /* keep track of when we're within quotes */
657 else if (*s == '"') {
658 s++;
659 in_quotes = !in_quotes;
660 }
661 /* break it up only at spaces that aren't in quotes */
662 else if (!in_quotes && isSPACE(*s))
663 return (char*)s;
664 else
665 s++;
666 }
667 return (char*)s;
668}
669
54725af6 670static int
08039b81 671do_spawn2(pTHX_ const char *cmd, int exectype)
68dc0745
PP
672{
673 char **a;
674 char *s;
675 char **argv;
676 int status = -1;
677 BOOL needToTry = TRUE;
2d7a9237 678 char *cmd2;
68dc0745 679
2d7a9237
GS
680 /* Save an extra exec if possible. See if there are shell
681 * metacharacters in it */
e200fe59 682 if (!has_shell_metachars(cmd)) {
a02a5408
JC
683 Newx(argv, strlen(cmd) / 2 + 2, char*);
684 Newx(cmd2, strlen(cmd) + 1, char);
68dc0745
PP
685 strcpy(cmd2, cmd);
686 a = argv;
687 for (s = cmd2; *s;) {
de030af3 688 while (*s && isSPACE(*s))
68dc0745
PP
689 s++;
690 if (*s)
691 *(a++) = s;
dd7038b3 692 s = find_next_space(s);
9404a519 693 if (*s)
68dc0745 694 *s++ = '\0';
0a753a76 695 }
4e205ed6 696 *a = NULL;
ce1da67e 697 if (argv[0]) {
6890e559
GS
698 switch (exectype) {
699 case EXECF_SPAWN:
700 status = win32_spawnvp(P_WAIT, argv[0],
701 (const char* const*)argv);
702 break;
703 case EXECF_SPAWN_NOWAIT:
704 status = win32_spawnvp(P_NOWAIT, argv[0],
705 (const char* const*)argv);
706 break;
707 case EXECF_EXEC:
708 status = win32_execvp(argv[0], (const char* const*)argv);
709 break;
710 }
2d7a9237 711 if (status != -1 || errno == 0)
68dc0745 712 needToTry = FALSE;
0a753a76 713 }
0a753a76 714 Safefree(argv);
68dc0745
PP
715 Safefree(cmd2);
716 }
2d7a9237 717 if (needToTry) {
ce1da67e
GS
718 char **argv;
719 int i = -1;
720 get_shell();
a02a5408 721 Newx(argv, w32_perlshell_items + 2, char*);
ce1da67e
GS
722 while (++i < w32_perlshell_items)
723 argv[i] = w32_perlshell_vec[i];
08039b81 724 argv[i++] = (char *)cmd;
4e205ed6 725 argv[i] = NULL;
6890e559
GS
726 switch (exectype) {
727 case EXECF_SPAWN:
728 status = win32_spawnvp(P_WAIT, argv[0],
729 (const char* const*)argv);
730 break;
731 case EXECF_SPAWN_NOWAIT:
732 status = win32_spawnvp(P_NOWAIT, argv[0],
733 (const char* const*)argv);
734 break;
735 case EXECF_EXEC:
736 status = win32_execvp(argv[0], (const char* const*)argv);
737 break;
738 }
ce1da67e
GS
739 cmd = argv[0];
740 Safefree(argv);
68dc0745 741 }
922b1888 742 if (exectype == EXECF_SPAWN_NOWAIT) {
40c7cc6d 743 PL_statusvalue = -1; /* >16bits hint for pp_system() */
922b1888
GS
744 }
745 else {
50892819 746 if (status < 0) {
0453d815 747 if (ckWARN(WARN_EXEC))
f98bc0c6 748 Perl_warner(aTHX_ packWARN(WARN_EXEC), "Can't %s \"%s\": %s",
50892819
GS
749 (exectype == EXECF_EXEC ? "exec" : "spawn"),
750 cmd, strerror(errno));
751 status = 255 * 256;
752 }
753 else
754 status *= 256;
b28d0864 755 PL_statusvalue = status;
5aabfad6 756 }
50892819 757 return (status);
0a753a76
PP
758}
759
6890e559 760int
54725af6 761Perl_do_spawn(pTHX_ char *cmd)
6890e559 762{
7918f24d
NC
763 PERL_ARGS_ASSERT_DO_SPAWN;
764
54725af6 765 return do_spawn2(aTHX_ cmd, EXECF_SPAWN);
6890e559
GS
766}
767
2d7a9237 768int
54725af6 769Perl_do_spawn_nowait(pTHX_ char *cmd)
2d7a9237 770{
7918f24d
NC
771 PERL_ARGS_ASSERT_DO_SPAWN_NOWAIT;
772
54725af6 773 return do_spawn2(aTHX_ cmd, EXECF_SPAWN_NOWAIT);
2d7a9237
GS
774}
775
6890e559 776bool
79d39d80 777Perl_do_exec(pTHX_ const char *cmd)
6890e559 778{
7918f24d
NC
779 PERL_ARGS_ASSERT_DO_EXEC;
780
08039b81 781 do_spawn2(aTHX_ cmd, EXECF_EXEC);
6890e559
GS
782 return FALSE;
783}
784
68dc0745
PP
785/* The idea here is to read all the directory names into a string table
786 * (separated by nulls) and when one of the other dir functions is called
787 * return the pointer to the current file name.
788 */
c5be433b 789DllExport DIR *
0e06f75d 790win32_opendir(const char *filename)
0a753a76 791{
acfe0abc 792 dTHX;
95136add 793 DIR *dirp;
9404a519
GS
794 long len;
795 long idx;
796 char scanname[MAX_PATH+3];
8cbe99e5 797 WCHAR wscanname[sizeof(scanname)];
35cf1ab6 798 WIN32_FIND_DATAW wFindData;
35cf1ab6 799 char buffer[MAX_PATH*2];
8cbe99e5 800 BOOL use_default;
9404a519
GS
801
802 len = strlen(filename);
525f9ba8
AD
803 if (len == 0) {
804 errno = ENOENT;
9404a519 805 return NULL;
525f9ba8
AD
806 }
807 if (len > MAX_PATH) {
808 errno = ENAMETOOLONG;
24caa93f 809 return NULL;
525f9ba8
AD
810 }
811
68dc0745 812 /* Get us a DIR structure */
a02a5408 813 Newxz(dirp, 1, DIR);
68dc0745
PP
814
815 /* Create the search pattern */
816 strcpy(scanname, filename);
23db2e2d
GS
817
818 /* bare drive name means look in cwd for drive */
819 if (len == 2 && isALPHA(scanname[0]) && scanname[1] == ':') {
820 scanname[len++] = '.';
821 scanname[len++] = '/';
822 }
823 else if (scanname[len-1] != '/' && scanname[len-1] != '\\') {
9404a519 824 scanname[len++] = '/';
23db2e2d 825 }
9404a519
GS
826 scanname[len++] = '*';
827 scanname[len] = '\0';
68dc0745
PP
828
829 /* do the FindFirstFile call */
8cbe99e5
JD
830 MultiByteToWideChar(CP_ACP, 0, scanname, -1, wscanname, sizeof(wscanname)/sizeof(WCHAR));
831 dirp->handle = FindFirstFileW(PerlDir_mapW(wscanname), &wFindData);
832
8c56068e 833 if (dirp->handle == INVALID_HANDLE_VALUE) {
95136add 834 DWORD err = GetLastError();
21e72512 835 /* FindFirstFile() fails on empty drives! */
95136add
GS
836 switch (err) {
837 case ERROR_FILE_NOT_FOUND:
838 return dirp;
839 case ERROR_NO_MORE_FILES:
840 case ERROR_PATH_NOT_FOUND:
841 errno = ENOENT;
842 break;
843 case ERROR_NOT_ENOUGH_MEMORY:
844 errno = ENOMEM;
845 break;
846 default:
847 errno = EINVAL;
848 break;
849 }
850 Safefree(dirp);
68dc0745
PP
851 return NULL;
852 }
853
8cbe99e5
JD
854 use_default = FALSE;
855 WideCharToMultiByte(CP_ACP, WC_NO_BEST_FIT_CHARS,
856 wFindData.cFileName, -1,
857 buffer, sizeof(buffer), NULL, &use_default);
858 if (use_default && *wFindData.cAlternateFileName) {
35cf1ab6 859 WideCharToMultiByte(CP_ACP, WC_NO_BEST_FIT_CHARS,
8cbe99e5
JD
860 wFindData.cAlternateFileName, -1,
861 buffer, sizeof(buffer), NULL, NULL);
35cf1ab6 862 }
8cbe99e5 863
68dc0745
PP
864 /* now allocate the first part of the string table for
865 * the filenames that we find.
866 */
8cbe99e5 867 idx = strlen(buffer)+1;
95136add 868 if (idx < 256)
35cf1ab6 869 dirp->size = 256;
95136add
GS
870 else
871 dirp->size = idx;
a02a5408 872 Newx(dirp->start, dirp->size, char);
8cbe99e5 873 strcpy(dirp->start, buffer);
95136add
GS
874 dirp->nfiles++;
875 dirp->end = dirp->curr = dirp->start;
876 dirp->end += idx;
877 return dirp;
0a753a76
PP
878}
879
880
68dc0745
PP
881/* Readdir just returns the current string pointer and bumps the
882 * string pointer to the nDllExport entry.
883 */
c5be433b 884DllExport struct direct *
ce2e26e5 885win32_readdir(DIR *dirp)
0a753a76 886{
95136add 887 long len;
0a753a76 888
68dc0745
PP
889 if (dirp->curr) {
890 /* first set up the structure to return */
891 len = strlen(dirp->curr);
0f38926b 892 strcpy(dirp->dirstr.d_name, dirp->curr);
68dc0745 893 dirp->dirstr.d_namlen = len;
0a753a76 894
68dc0745 895 /* Fake an inode */
0f38926b 896 dirp->dirstr.d_ino = dirp->curr - dirp->start;
0a753a76 897
95136add 898 /* Now set up for the next call to readdir */
68dc0745 899 dirp->curr += len + 1;
95136add 900 if (dirp->curr >= dirp->end) {
acfe0abc 901 dTHX;
35cf1ab6 902 BOOL res;
35cf1ab6 903 char buffer[MAX_PATH*2];
95136add 904
60b22aca
JD
905 if (dirp->handle == INVALID_HANDLE_VALUE) {
906 res = 0;
907 }
95136add
GS
908 /* finding the next file that matches the wildcard
909 * (which should be all of them in this directory!).
95136add 910 */
8cbe99e5 911 else {
35cf1ab6
JD
912 WIN32_FIND_DATAW wFindData;
913 res = FindNextFileW(dirp->handle, &wFindData);
914 if (res) {
915 BOOL use_default = FALSE;
916 WideCharToMultiByte(CP_ACP, WC_NO_BEST_FIT_CHARS,
917 wFindData.cFileName, -1,
918 buffer, sizeof(buffer), NULL, &use_default);
919 if (use_default && *wFindData.cAlternateFileName) {
920 WideCharToMultiByte(CP_ACP, WC_NO_BEST_FIT_CHARS,
921 wFindData.cAlternateFileName, -1,
922 buffer, sizeof(buffer), NULL, NULL);
923 }
35cf1ab6
JD
924 }
925 }
95136add 926 if (res) {
0f38926b 927 long endpos = dirp->end - dirp->start;
8cbe99e5 928 long newsize = endpos + strlen(buffer) + 1;
95136add 929 /* bump the string table size by enough for the
022735b4 930 * new name and its null terminator */
0f38926b
GS
931 while (newsize > dirp->size) {
932 long curpos = dirp->curr - dirp->start;
95136add
GS
933 dirp->size *= 2;
934 Renew(dirp->start, dirp->size, char);
0f38926b 935 dirp->curr = dirp->start + curpos;
95136add 936 }
8cbe99e5 937 strcpy(dirp->start + endpos, buffer);
0f38926b 938 dirp->end = dirp->start + newsize;
95136add
GS
939 dirp->nfiles++;
940 }
60b22aca 941 else {
95136add 942 dirp->curr = NULL;
60b22aca
JD
943 if (dirp->handle != INVALID_HANDLE_VALUE) {
944 FindClose(dirp->handle);
945 dirp->handle = INVALID_HANDLE_VALUE;
946 }
947 }
68dc0745 948 }
68dc0745 949 return &(dirp->dirstr);
3fadfdf1 950 }
68dc0745
PP
951 else
952 return NULL;
0a753a76
PP
953}
954
68dc0745 955/* Telldir returns the current string pointer position */
c5be433b 956DllExport long
ce2e26e5 957win32_telldir(DIR *dirp)
0a753a76 958{
60b22aca 959 return dirp->curr ? (dirp->curr - dirp->start) : -1;
0a753a76
PP
960}
961
962
68dc0745 963/* Seekdir moves the string pointer to a previously saved position
95136add 964 * (returned by telldir).
68dc0745 965 */
c5be433b 966DllExport void
ce2e26e5 967win32_seekdir(DIR *dirp, long loc)
0a753a76 968{
60b22aca 969 dirp->curr = loc == -1 ? NULL : dirp->start + loc;
0a753a76
PP
970}
971
68dc0745 972/* Rewinddir resets the string pointer to the start */
c5be433b 973DllExport void
ce2e26e5 974win32_rewinddir(DIR *dirp)
0a753a76
PP
975{
976 dirp->curr = dirp->start;
977}
978
68dc0745 979/* free the memory allocated by opendir */
c5be433b 980DllExport int
ce2e26e5 981win32_closedir(DIR *dirp)
0a753a76 982{
acfe0abc 983 dTHX;
95136add 984 if (dirp->handle != INVALID_HANDLE_VALUE)
0f38926b 985 FindClose(dirp->handle);
0a753a76
PP
986 Safefree(dirp->start);
987 Safefree(dirp);
68dc0745 988 return 1;
0a753a76
PP
989}
990
60b22aca
JD
991/* duplicate a open DIR* for interpreter cloning */
992DllExport DIR *
993win32_dirp_dup(DIR *const dirp, CLONE_PARAMS *const param)
994{
995 dVAR;
996 PerlInterpreter *const from = param->proto_perl;
997 PerlInterpreter *const to = PERL_GET_THX;
998
999 long pos;
1000 DIR *dup;
1001
1002 /* switch back to original interpreter because win32_readdir()
1003 * might Renew(dirp->start).
1004 */
1005 if (from != to) {
1006 PERL_SET_THX(from);
1007 }
1008
1009 /* mark current position; read all remaining entries into the
1010 * cache, and then restore to current position.
1011 */
1012 pos = win32_telldir(dirp);
1013 while (win32_readdir(dirp)) {
1014 /* read all entries into cache */
1015 }
1016 win32_seekdir(dirp, pos);
1017
1018 /* switch back to new interpreter to allocate new DIR structure */
1019 if (from != to) {
1020 PERL_SET_THX(to);
1021 }
1022
1023 Newx(dup, 1, DIR);
1024 memcpy(dup, dirp, sizeof(DIR));
1025
1026 Newx(dup->start, dirp->size, char);
1027 memcpy(dup->start, dirp->start, dirp->size);
1028
1029 dup->end = dup->start + (dirp->end - dirp->start);
1030 if (dirp->curr)
1031 dup->curr = dup->start + (dirp->curr - dirp->start);
1032
1033 return dup;
1034}
0a753a76 1035
68dc0745
PP
1036/*
1037 * various stubs
1038 */
0a753a76
PP
1039
1040
68dc0745
PP
1041/* Ownership
1042 *
1043 * Just pretend that everyone is a superuser. NT will let us know if
1044 * we don\'t really have permission to do something.
1045 */
0a753a76
PP
1046
1047#define ROOT_UID ((uid_t)0)
1048#define ROOT_GID ((gid_t)0)
1049
68dc0745
PP
1050uid_t
1051getuid(void)
0a753a76 1052{
68dc0745 1053 return ROOT_UID;
0a753a76
PP
1054}
1055
68dc0745
PP
1056uid_t
1057geteuid(void)
0a753a76 1058{
68dc0745 1059 return ROOT_UID;
0a753a76
PP
1060}
1061
68dc0745
PP
1062gid_t
1063getgid(void)
0a753a76 1064{
68dc0745 1065 return ROOT_GID;
0a753a76
PP
1066}
1067
68dc0745
PP
1068gid_t
1069getegid(void)
0a753a76 1070{
68dc0745 1071 return ROOT_GID;
0a753a76
PP
1072}
1073
68dc0745 1074int
22239a37 1075setuid(uid_t auid)
3fadfdf1 1076{
22239a37 1077 return (auid == ROOT_UID ? 0 : -1);
0a753a76
PP
1078}
1079
68dc0745 1080int
22239a37 1081setgid(gid_t agid)
0a753a76 1082{
22239a37 1083 return (agid == ROOT_GID ? 0 : -1);
0a753a76
PP
1084}
1085
e34ffe5a
GS
1086char *
1087getlogin(void)
1088{
acfe0abc 1089 dTHX;
3352bfcb
GS
1090 char *buf = w32_getlogin_buffer;
1091 DWORD size = sizeof(w32_getlogin_buffer);
e34ffe5a
GS
1092 if (GetUserName(buf,&size))
1093 return buf;
1094 return (char*)NULL;
1095}
1096
b990f8c8
GS
1097int
1098chown(const char *path, uid_t owner, gid_t group)
1099{
1100 /* XXX noop */
1c1c7f20 1101 return 0;
b990f8c8
GS
1102}
1103
00b02797
JH
1104/*
1105 * XXX this needs strengthening (for PerlIO)
1106 * -- BKS, 11-11-200
1107*/
1108int mkstemp(const char *path)
1109{
1110 dTHX;
1111 char buf[MAX_PATH+1];
1112 int i = 0, fd = -1;
1113
1114retry:
1115 if (i++ > 10) { /* give up */
1116 errno = ENOENT;
1117 return -1;
1118 }
1119 if (!GetTempFileNameA((LPCSTR)path, "plr", 1, buf)) {
1120 errno = ENOENT;
1121 return -1;
1122 }
1123 fd = PerlLIO_open3(buf, O_CREAT|O_RDWR|O_EXCL, 0600);
1124 if (fd == -1)
1125 goto retry;
1126 return fd;
1127}
1128
0aaad0ff
GS
1129static long
1130find_pid(int pid)
0a753a76 1131{
acfe0abc 1132 dTHX;
7766f137
GS
1133 long child = w32_num_children;
1134 while (--child >= 0) {
eb160463 1135 if ((int)w32_child_pids[child] == pid)
0aaad0ff
GS
1136 return child;
1137 }
1138 return -1;
1139}
1140
1141static void
1142remove_dead_process(long child)
1143{
1144 if (child >= 0) {
acfe0abc 1145 dTHX;
0aaad0ff 1146 CloseHandle(w32_child_handles[child]);
c00206c8 1147 Move(&w32_child_handles[child+1], &w32_child_handles[child],
0aaad0ff 1148 (w32_num_children-child-1), HANDLE);
c00206c8 1149 Move(&w32_child_pids[child+1], &w32_child_pids[child],
0aaad0ff
GS
1150 (w32_num_children-child-1), DWORD);
1151 w32_num_children--;
f55ee38a 1152 }
f55ee38a
GS
1153}
1154
7766f137
GS
1155#ifdef USE_ITHREADS
1156static long
1157find_pseudo_pid(int pid)
1158{
acfe0abc 1159 dTHX;
7766f137
GS
1160 long child = w32_num_pseudo_children;
1161 while (--child >= 0) {
eb160463 1162 if ((int)w32_pseudo_child_pids[child] == pid)
7766f137
GS
1163 return child;
1164 }
1165 return -1;
1166}
1167
1168static void
1169remove_dead_pseudo_process(long child)
1170{
1171 if (child >= 0) {
acfe0abc 1172 dTHX;
7766f137 1173 CloseHandle(w32_pseudo_child_handles[child]);
c00206c8 1174 Move(&w32_pseudo_child_handles[child+1], &w32_pseudo_child_handles[child],
7766f137 1175 (w32_num_pseudo_children-child-1), HANDLE);
c00206c8 1176 Move(&w32_pseudo_child_pids[child+1], &w32_pseudo_child_pids[child],
7766f137 1177 (w32_num_pseudo_children-child-1), DWORD);
aeecf691
JD
1178 Move(&w32_pseudo_child_message_hwnds[child+1], &w32_pseudo_child_message_hwnds[child],
1179 (w32_num_pseudo_children-child-1), HWND);
8a3cb9c6
JD
1180 Move(&w32_pseudo_child_sigterm[child+1], &w32_pseudo_child_sigterm[child],
1181 (w32_num_pseudo_children-child-1), char);
7766f137
GS
1182 w32_num_pseudo_children--;
1183 }
1184}
8a3cb9c6
JD
1185
1186void
1187win32_wait_for_children(pTHX)
1188{
1189 if (w32_pseudo_children && w32_num_pseudo_children) {
1190 long child = 0;
1191 long count = 0;
1192 HANDLE handles[MAXIMUM_WAIT_OBJECTS];
1193
1194 for (child = 0; child < w32_num_pseudo_children; ++child) {
1195 if (!w32_pseudo_child_sigterm[child])
1196 handles[count++] = w32_pseudo_child_handles[child];
1197 }
1198 /* XXX should use MsgWaitForMultipleObjects() to continue
1199 * XXX processing messages while we wait.
1200 */
1201 WaitForMultipleObjects(count, handles, TRUE, INFINITE);
1202
1203 while (w32_num_pseudo_children)
1204 CloseHandle(w32_pseudo_child_handles[--w32_num_pseudo_children]);
1205 }
1206}
7766f137
GS
1207#endif
1208
542cb85f
JD
1209static int
1210terminate_process(DWORD pid, HANDLE process_handle, int sig)
1211{
1212 switch(sig) {
1213 case 0:
1214 /* "Does process exist?" use of kill */
1215 return 1;
1216 case 2:
1217 if (GenerateConsoleCtrlEvent(CTRL_C_EVENT, pid))
1218 return 1;
1219 break;
1220 case SIGBREAK:
1221 case SIGTERM:
1222 if (GenerateConsoleCtrlEvent(CTRL_BREAK_EVENT, pid))
1223 return 1;
1224 break;
1225 default: /* For now be backwards compatible with perl 5.6 */
1226 case 9:
1227 /* Note that we will only be able to kill processes owned by the
1228 * current process owner, even when we are running as an administrator.
1229 * To kill processes of other owners we would need to set the
1230 * 'SeDebugPrivilege' privilege before obtaining the process handle.
1231 */
1232 if (TerminateProcess(process_handle, sig))
1233 return 1;
1234 break;
1235 }
1236 return 0;
1237}
1238
8cbe99e5
JD
1239int
1240killpg(int pid, int sig)
542cb85f
JD
1241{
1242 HANDLE process_handle;
1243 HANDLE snapshot_handle;
1244 int killed = 0;
1245
1246 process_handle = OpenProcess(PROCESS_TERMINATE, FALSE, pid);
6a4d57af 1247 if (process_handle == NULL)
542cb85f
JD
1248 return 0;
1249
1250 killed += terminate_process(pid, process_handle, sig);
1251
8cbe99e5 1252 snapshot_handle = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
542cb85f
JD
1253 if (snapshot_handle != INVALID_HANDLE_VALUE) {
1254 PROCESSENTRY32 entry;
1255
1256 entry.dwSize = sizeof(entry);
8cbe99e5 1257 if (Process32First(snapshot_handle, &entry)) {
542cb85f 1258 do {
8cbe99e5
JD
1259 if (entry.th32ParentProcessID == (DWORD)pid)
1260 killed += killpg(entry.th32ProcessID, sig);
542cb85f
JD
1261 entry.dwSize = sizeof(entry);
1262 }
8cbe99e5 1263 while (Process32Next(snapshot_handle, &entry));
542cb85f
JD
1264 }
1265 CloseHandle(snapshot_handle);
1266 }
1267 CloseHandle(process_handle);
1268 return killed;
1269}
1270
542cb85f
JD
1271static int
1272my_kill(int pid, int sig)
1273{
1274 int retval = 0;
1275 HANDLE process_handle;
1276
1277 if (sig < 0)
1278 return killpg(pid, -sig);
1279
1280 process_handle = OpenProcess(PROCESS_TERMINATE, FALSE, pid);
6a4d57af
JD
1281 /* OpenProcess() returns NULL on error, *not* INVALID_HANDLE_VALUE */
1282 if (process_handle != NULL) {
542cb85f
JD
1283 retval = terminate_process(pid, process_handle, sig);
1284 CloseHandle(process_handle);
1285 }
1286 return retval;
1287}
1288
f55ee38a
GS
1289DllExport int
1290win32_kill(int pid, int sig)
1291{
acfe0abc 1292 dTHX;
c66b022d 1293 long child;
7766f137
GS
1294#ifdef USE_ITHREADS
1295 if (pid < 0) {
1296 /* it is a pseudo-forked child */
c66b022d 1297 child = find_pseudo_pid(-pid);
7766f137 1298 if (child >= 0) {
aeecf691 1299 HWND hwnd = w32_pseudo_child_message_hwnds[child];
85c508c3 1300 HANDLE hProcess = w32_pseudo_child_handles[child];
7e5f34c0
NIS
1301 switch (sig) {
1302 case 0:
c843839f 1303 /* "Does process exist?" use of kill */
7766f137 1304 return 0;
aeecf691 1305
7e5f34c0
NIS
1306 case 9:
1307 /* kill -9 style un-graceful exit */
1308 if (TerminateThread(hProcess, sig)) {
82e24582
JD
1309 /* Allow the scheduler to finish cleaning up the other thread.
1310 * Otherwise, if we ExitProcess() before another context switch
1311 * happens we will end up with a process exit code of "sig" instead
1312 * of our own exit status.
1313 * See also: https://rt.cpan.org/Ticket/Display.html?id=66016#txn-908976
1314 */
1315 Sleep(0);
7e5f34c0
NIS
1316 remove_dead_pseudo_process(child);
1317 return 0;
1318 }
1319 break;
aeecf691
JD
1320
1321 default: {
1322 int count = 0;
1323 /* pseudo-process has not yet properly initialized if hwnd isn't set */
1324 while (hwnd == INVALID_HANDLE_VALUE && count < 5) {
1325 /* Yield and wait for the other thread to send us its message_hwnd */
1326 Sleep(0);
1327 win32_async_check(aTHX);
5e162c31 1328 hwnd = w32_pseudo_child_message_hwnds[child];
aeecf691
JD
1329 ++count;
1330 }
1331 if (hwnd != INVALID_HANDLE_VALUE) {
1332 /* We fake signals to pseudo-processes using Win32
1333 * message queue. In Win9X the pids are negative already. */
1334 if ((hwnd != NULL && PostMessage(hwnd, WM_USER_KILL, sig, 0)) ||
8cbe99e5 1335 PostThreadMessage(-pid, WM_USER_KILL, sig, 0))
aeecf691 1336 {
3aa0ac5a
JD
1337 /* Don't wait for child process to terminate after we send a SIGTERM
1338 * because the child may be blocked in a system call and never receive
1339 * the signal.
1340 */
1341 if (sig == SIGTERM) {
1342 Sleep(0);
8a3cb9c6 1343 w32_pseudo_child_sigterm[child] = 1;
3aa0ac5a 1344 }
aeecf691
JD
1345 /* It might be us ... */
1346 PERL_ASYNC_CHECK();
1347 return 0;
1348 }
1349 }
7e5f34c0
NIS
1350 break;
1351 }
aeecf691 1352 } /* switch */
7766f137 1353 }
68dc0745 1354 }
7766f137
GS
1355 else
1356#endif
1357 {
c66b022d 1358 child = find_pid(pid);
7766f137 1359 if (child >= 0) {
542cb85f
JD
1360 if (my_kill(pid, sig)) {
1361 DWORD exitcode = 0;
1362 if (GetExitCodeProcess(w32_child_handles[child], &exitcode) &&
1363 exitcode != STILL_ACTIVE)
1364 {
1365 remove_dead_process(child);
1366 }
1367 return 0;
7e5f34c0 1368 }
7766f137
GS
1369 }
1370 else {
8cbe99e5 1371 if (my_kill(pid, sig))
48db714f 1372 return 0;
7766f137
GS
1373 }
1374 }
1375 errno = EINVAL;
1376 return -1;
0a753a76 1377}
fbbbcc48 1378
68dc0745 1379DllExport int
c623ac67 1380win32_stat(const char *path, Stat_t *sbuf)
0a753a76 1381{
acfe0abc 1382 dTHX;
3fadfdf1 1383 char buffer[MAX_PATH+1];
68dc0745 1384 int l = strlen(path);
67fbe06e 1385 int res;
6b980173 1386 int nlink = 1;
44221b20 1387 BOOL expect_dir = FALSE;
0a753a76 1388
cba61fe1
JD
1389 GV *gv_sloppy = gv_fetchpvs("\027IN32_SLOPPY_STAT",
1390 GV_NOTQUAL, SVt_PV);
1391 BOOL sloppy = gv_sloppy && SvTRUE(GvSV(gv_sloppy));
1392
68dc0745
PP
1393 if (l > 1) {
1394 switch(path[l - 1]) {
e1dbac94 1395 /* FindFirstFile() and stat() are buggy with a trailing
44221b20 1396 * slashes, except for the root directory of a drive */
68dc0745 1397 case '\\':
44221b20
JD
1398 case '/':
1399 if (l > sizeof(buffer)) {
0b96339f
JD
1400 errno = ENAMETOOLONG;
1401 return -1;
1402 }
44221b20
JD
1403 --l;
1404 strncpy(buffer, path, l);
1405 /* remove additional trailing slashes */
1406 while (l > 1 && (buffer[l-1] == '/' || buffer[l-1] == '\\'))
1407 --l;
1408 /* add back slash if we otherwise end up with just a drive letter */
1409 if (l == 2 && isALPHA(buffer[0]) && buffer[1] == ':')
1410 buffer[l++] = '\\';
1411 buffer[l] = '\0';
1412 path = buffer;
1413 expect_dir = TRUE;
e1dbac94 1414 break;
44221b20 1415
23db2e2d 1416 /* FindFirstFile() is buggy with "x:", so add a dot :-( */
e1dbac94
GS
1417 case ':':
1418 if (l == 2 && isALPHA(path[0])) {
426c1a18
GS
1419 buffer[0] = path[0];
1420 buffer[1] = ':';
1421 buffer[2] = '.';
1422 buffer[3] = '\0';
e1dbac94 1423 l = 3;
426c1a18 1424 path = buffer;
e1dbac94
GS
1425 }
1426 break;
68dc0745
PP
1427 }
1428 }
6b980173 1429
8c56068e
JD
1430 path = PerlDir_mapA(path);
1431 l = strlen(path);
cba61fe1
JD
1432
1433 if (!sloppy) {
1434 /* We must open & close the file once; otherwise file attribute changes */
1435 /* might not yet have propagated to "other" hard links of the same file. */
1436 /* This also gives us an opportunity to determine the number of links. */
1437 HANDLE handle = CreateFileA(path, 0, 0, NULL, OPEN_EXISTING, 0, NULL);
1438 if (handle != INVALID_HANDLE_VALUE) {
1439 BY_HANDLE_FILE_INFORMATION bhi;
1440 if (GetFileInformationByHandle(handle, &bhi))
1441 nlink = bhi.nNumberOfLinks;
1442 CloseHandle(handle);
1443 }
7fac1903 1444 }
6b980173 1445
8c56068e 1446 /* path will be mapped correctly above */
c623ac67 1447#if defined(WIN64) || defined(USE_LARGE_FILES)
8c56068e 1448 res = _stati64(path, sbuf);
c623ac67 1449#else
8c56068e 1450 res = stat(path, sbuf);
c623ac67 1451#endif
426c1a18 1452 sbuf->st_nlink = nlink;
6b980173 1453
24caa93f
GS
1454 if (res < 0) {
1455 /* CRT is buggy on sharenames, so make sure it really isn't.
1456 * XXX using GetFileAttributesEx() will enable us to set
426c1a18 1457 * sbuf->st_*time (but note that's not available on the
24caa93f 1458 * Windows of 1995) */
8c56068e 1459 DWORD r = GetFileAttributesA(path);
24caa93f 1460 if (r != 0xffffffff && (r & FILE_ATTRIBUTE_DIRECTORY)) {
426c1a18 1461 /* sbuf may still contain old garbage since stat() failed */
c623ac67 1462 Zero(sbuf, 1, Stat_t);
426c1a18 1463 sbuf->st_mode = S_IFDIR | S_IREAD;
24caa93f
GS
1464 errno = 0;
1465 if (!(r & FILE_ATTRIBUTE_READONLY))
426c1a18 1466 sbuf->st_mode |= S_IWRITE | S_IEXEC;
24caa93f
GS
1467 return 0;
1468 }
1469 }
24caa93f 1470 else {
e1dbac94
GS
1471 if (l == 3 && isALPHA(path[0]) && path[1] == ':'
1472 && (path[2] == '\\' || path[2] == '/'))
2293b0e9
AB
1473 {
1474 /* The drive can be inaccessible, some _stat()s are buggy */
8c56068e 1475 if (!GetVolumeInformationA(path,NULL,0,NULL,NULL,NULL,NULL,0)) {
2293b0e9
AB
1476 errno = ENOENT;
1477 return -1;
1478 }
1479 }
44221b20
JD
1480 if (expect_dir && !S_ISDIR(sbuf->st_mode)) {
1481 errno = ENOTDIR;
1482 return -1;
1483 }
038ae9a4
SH
1484 if (S_ISDIR(sbuf->st_mode)) {
1485 /* Ensure the "write" bit is switched off in the mode for
1486 * directories with the read-only attribute set. Borland (at least)
1487 * switches it on for directories, which is technically correct
1488 * (directories are indeed always writable unless denied by DACLs),
1489 * but we want stat() and -w to reflect the state of the read-only
1490 * attribute for symmetry with chmod(). */
1491 DWORD r = GetFileAttributesA(path);
1492 if (r != 0xffffffff && (r & FILE_ATTRIBUTE_READONLY)) {
1493 sbuf->st_mode &= ~S_IWRITE;
1494 }
1495 }
2293b0e9 1496#ifdef __BORLANDC__
038ae9a4
SH
1497 if (S_ISDIR(sbuf->st_mode)) {
1498 sbuf->st_mode |= S_IEXEC;
1499 }
426c1a18 1500 else if (S_ISREG(sbuf->st_mode)) {
d0650a05 1501 int perms;
67fbe06e
GS
1502 if (l >= 4 && path[l-4] == '.') {
1503 const char *e = path + l - 3;
1504 if (strnicmp(e,"exe",3)
1505 && strnicmp(e,"bat",3)
1506 && strnicmp(e,"com",3)
8cbe99e5 1507 && strnicmp(e,"cmd",3))
426c1a18 1508 sbuf->st_mode &= ~S_IEXEC;
67fbe06e 1509 else
426c1a18 1510 sbuf->st_mode |= S_IEXEC;
67fbe06e
GS
1511 }
1512 else
426c1a18 1513 sbuf->st_mode &= ~S_IEXEC;
d0650a05
GS
1514 /* Propagate permissions to _group_ and _others_ */
1515 perms = sbuf->st_mode & (S_IREAD|S_IWRITE|S_IEXEC);
1516 sbuf->st_mode |= (perms>>3) | (perms>>6);
67fbe06e 1517 }
67fbe06e 1518#endif
2293b0e9 1519 }
67fbe06e 1520 return res;
0a753a76
PP
1521}
1522
bb27e7b6
JH
1523#define isSLASH(c) ((c) == '/' || (c) == '\\')
1524#define SKIP_SLASHES(s) \
1525 STMT_START { \
1526 while (*(s) && isSLASH(*(s))) \
1527 ++(s); \
1528 } STMT_END
1529#define COPY_NONSLASHES(d,s) \
1530 STMT_START { \
1531 while (*(s) && !isSLASH(*(s))) \
1532 *(d)++ = *(s)++; \
1533 } STMT_END
1534
8ac9c18d
GS
1535/* Find the longname of a given path. path is destructively modified.
1536 * It should have space for at least MAX_PATH characters. */
1537DllExport char *
1538win32_longpath(char *path)
1539{
1540 WIN32_FIND_DATA fdata;
1541 HANDLE fhand;
1542 char tmpbuf[MAX_PATH+1];
1543 char *tmpstart = tmpbuf;
1544 char *start = path;
1545 char sep;
1546 if (!path)
4e205ed6 1547 return NULL;
8ac9c18d
GS
1548
1549 /* drive prefix */
bb27e7b6 1550 if (isALPHA(path[0]) && path[1] == ':') {
8ac9c18d
GS
1551 start = path + 2;
1552 *tmpstart++ = path[0];
1553 *tmpstart++ = ':';
1554 }
1555 /* UNC prefix */
bb27e7b6 1556 else if (isSLASH(path[0]) && isSLASH(path[1])) {
8ac9c18d 1557 start = path + 2;
52fcf7ee
GS
1558 *tmpstart++ = path[0];
1559 *tmpstart++ = path[1];
bb27e7b6
JH
1560 SKIP_SLASHES(start);
1561 COPY_NONSLASHES(tmpstart,start); /* copy machine name */
8ac9c18d 1562 if (*start) {
bb27e7b6
JH
1563 *tmpstart++ = *start++;
1564 SKIP_SLASHES(start);
1565 COPY_NONSLASHES(tmpstart,start); /* copy share name */
8ac9c18d
GS
1566 }
1567 }
8ac9c18d 1568 *tmpstart = '\0';
bb27e7b6
JH
1569 while (*start) {
1570 /* copy initial slash, if any */
1571 if (isSLASH(*start)) {
1572 *tmpstart++ = *start++;
1573 *tmpstart = '\0';
1574 SKIP_SLASHES(start);
1575 }
1576
1577 /* FindFirstFile() expands "." and "..", so we need to pass
1578 * those through unmolested */
1579 if (*start == '.'
1580 && (!start[1] || isSLASH(start[1])
1581 || (start[1] == '.' && (!start[2] || isSLASH(start[2])))))
1582 {
1583 COPY_NONSLASHES(tmpstart,start); /* copy "." or ".." */
1584 *tmpstart = '\0';
1585 continue;
1586 }
1587
1588 /* if this is the end, bust outta here */
1589 if (!*start)
1590 break;
8ac9c18d 1591
bb27e7b6
JH
1592 /* now we're at a non-slash; walk up to next slash */
1593 while (*start && !isSLASH(*start))
8ac9c18d 1594 ++start;
8ac9c18d
GS
1595
1596 /* stop and find full name of component */
bb27e7b6 1597 sep = *start;
8ac9c18d
GS
1598 *start = '\0';
1599 fhand = FindFirstFile(path,&fdata);
bb27e7b6 1600 *start = sep;
8ac9c18d 1601 if (fhand != INVALID_HANDLE_VALUE) {
bb27e7b6
JH
1602 STRLEN len = strlen(fdata.cFileName);
1603 if ((STRLEN)(tmpbuf + sizeof(tmpbuf) - tmpstart) > len) {
1604 strcpy(tmpstart, fdata.cFileName);
1605 tmpstart += len;
1606 FindClose(fhand);
1607 }
1608 else {
1609 FindClose(fhand);
1610 errno = ERANGE;
4e205ed6 1611 return NULL;
bb27e7b6 1612 }
8ac9c18d
GS
1613 }
1614 else {
1615 /* failed a step, just return without side effects */
bf49b057 1616 /*PerlIO_printf(Perl_debug_log, "Failed to find %s\n", path);*/
bb27e7b6 1617 errno = EINVAL;
4e205ed6 1618 return NULL;
8ac9c18d
GS
1619 }
1620 }
1621 strcpy(path,tmpbuf);
1622 return path;
1623}
1624
aa2b96ec 1625static void
0934c9d9 1626out_of_memory(void)
aa2b96ec 1627{
ae6198af
JD
1628 if (PL_curinterp) {
1629 dTHX;
1630 /* Can't use PerlIO to write as it allocates memory */
1631 PerlLIO_write(PerlIO_fileno(Perl_error_log),
1632 PL_no_mem, strlen(PL_no_mem));
1633 my_exit(1);
1634 }
1635 exit(1);
aa2b96ec
JD
1636}
1637
1638/* The win32_ansipath() function takes a Unicode filename and converts it
1639 * into the current Windows codepage. If some characters cannot be mapped,
1640 * then it will convert the short name instead.
1641 *
1642 * The buffer to the ansi pathname must be freed with win32_free() when it
1643 * it no longer needed.
1644 *
1645 * The argument to win32_ansipath() must exist before this function is
1646 * called; otherwise there is no way to determine the short path name.
1647 *
1648 * Ideas for future refinement:
1649 * - Only convert those segments of the path that are not in the current
1650 * codepage, but leave the other segments in their long form.
1651 * - If the resulting name is longer than MAX_PATH, start converting
1652 * additional path segments into short names until the full name
1653 * is shorter than MAX_PATH. Shorten the filename part last!
1654 */
1655DllExport char *
1656win32_ansipath(const WCHAR *widename)
1657{
1658 char *name;
1659 BOOL use_default = FALSE;
1660 size_t widelen = wcslen(widename)+1;
1661 int len = WideCharToMultiByte(CP_ACP, WC_NO_BEST_FIT_CHARS, widename, widelen,
1662 NULL, 0, NULL, NULL);
1663 name = win32_malloc(len);
1664 if (!name)
1665 out_of_memory();
1666
1667 WideCharToMultiByte(CP_ACP, WC_NO_BEST_FIT_CHARS, widename, widelen,
1668 name, len, NULL, &use_default);
1669 if (use_default) {
aa2b96ec 1670 DWORD shortlen = GetShortPathNameW(widename, NULL, 0);
ae6198af
JD
1671 if (shortlen) {
1672 WCHAR *shortname = win32_malloc(shortlen*sizeof(WCHAR));
1673 if (!shortname)
1674 out_of_memory();
1675 shortlen = GetShortPathNameW(widename, shortname, shortlen)+1;
1676
1677 len = WideCharToMultiByte(CP_ACP, WC_NO_BEST_FIT_CHARS, shortname, shortlen,
1678 NULL, 0, NULL, NULL);
1679 name = win32_realloc(name, len);
1680 if (!name)
1681 out_of_memory();
1682 WideCharToMultiByte(CP_ACP, WC_NO_BEST_FIT_CHARS, shortname, shortlen,
1683 name, len, NULL, NULL);
1684 win32_free(shortname);
1685 }
aa2b96ec
JD
1686 }
1687 return name;
1688}
1689
0551aaa8
GS
1690DllExport char *
1691win32_getenv(const char *name)
1692{
acfe0abc 1693 dTHX;
0551aaa8 1694 DWORD needlen;
4e205ed6 1695 SV *curitem = NULL;
1fcb0052 1696 DWORD last_err;
58a50f62 1697
8c56068e 1698 needlen = GetEnvironmentVariableA(name,NULL,0);
58a50f62 1699 if (needlen != 0) {
51371543 1700 curitem = sv_2mortal(newSVpvn("", 0));
8c56068e
JD
1701 do {
1702 SvGROW(curitem, needlen+1);
1703 needlen = GetEnvironmentVariableA(name,SvPVX(curitem),
1704 needlen);
1705 } while (needlen >= SvLEN(curitem));
1706 SvCUR_set(curitem, needlen);
0551aaa8 1707 }
c934e9d4 1708 else {
1fcb0052
PM
1709 last_err = GetLastError();
1710 if (last_err == ERROR_NOT_ENOUGH_MEMORY) {
1711 /* It appears the variable is in the env, but the Win32 API
1712 doesn't have a canned way of getting it. So we fall back to
1713 grabbing the whole env and pulling this value out if possible */
1714 char *envv = GetEnvironmentStrings();
1715 char *cur = envv;
1716 STRLEN len;
1717 while (*cur) {
1718 char *end = strchr(cur,'=');
1719 if (end && end != cur) {
1720 *end = '\0';
1721 if (!strcmp(cur,name)) {
1722 curitem = sv_2mortal(newSVpv(end+1,0));
1723 *end = '=';
1724 break;
1725 }
1726 *end = '=';
1727 cur = end + strlen(end+1)+2;
1728 }
1729 else if ((len = strlen(cur)))
1730 cur += len+1;
1731 }
1732 FreeEnvironmentStrings(envv);
1733 }
1734 else {
1735 /* last ditch: allow any environment variables that begin with 'PERL'
1736 to be obtained from the registry, if found there */
1737 if (strncmp(name, "PERL", 4) == 0)
1738 (void)get_regstr(name, &curitem);
1739 }
c69f6586 1740 }
51371543
GS
1741 if (curitem && SvCUR(curitem))
1742 return SvPVX(curitem);
58a50f62 1743
4e205ed6 1744 return NULL;
0551aaa8
GS
1745}
1746
ac5c734f
GS
1747DllExport int
1748win32_putenv(const char *name)
1749{
acfe0abc 1750 dTHX;
ac5c734f
GS
1751 char* curitem;
1752 char* val;
b813a9c7 1753 int relval = -1;
51371543 1754
73c4f7a1 1755 if (name) {
8c56068e
JD
1756 Newx(curitem,strlen(name)+1,char);
1757 strcpy(curitem, name);
1758 val = strchr(curitem, '=');
1759 if (val) {
1760 /* The sane way to deal with the environment.
1761 * Has these advantages over putenv() & co.:
1762 * * enables us to store a truly empty value in the
1763 * environment (like in UNIX).
8d0cd07e
SH
1764 * * we don't have to deal with RTL globals, bugs and leaks
1765 * (specifically, see http://support.microsoft.com/kb/235601).
8c56068e 1766 * * Much faster.
d0fc6d8d
SH
1767 * Why you may want to use the RTL environment handling
1768 * (previously enabled by USE_WIN32_RTL_ENV):
8c56068e
JD
1769 * * environ[] and RTL functions will not reflect changes,
1770 * which might be an issue if extensions want to access
1771 * the env. via RTL. This cuts both ways, since RTL will
1772 * not see changes made by extensions that call the Win32
1773 * functions directly, either.
1774 * GSAR 97-06-07
1775 */
1776 *val++ = '\0';
1777 if (SetEnvironmentVariableA(curitem, *val ? val : NULL))
1778 relval = 0;
1779 }
1780 Safefree(curitem);
ac5c734f
GS
1781 }
1782 return relval;
1783}
1784
d55594ae 1785static long
2d7a9237 1786filetime_to_clock(PFILETIME ft)
d55594ae 1787{
7766f137
GS
1788 __int64 qw = ft->dwHighDateTime;
1789 qw <<= 32;
1790 qw |= ft->dwLowDateTime;
1791 qw /= 10000; /* File time ticks at 0.1uS, clock at 1mS */
1792 return (long) qw;
d55594ae
GS
1793}
1794
f3986ebb
GS
1795DllExport int
1796win32_times(struct tms *timebuf)
0a753a76 1797{
d55594ae
GS
1798 FILETIME user;
1799 FILETIME kernel;
1800 FILETIME dummy;
50ee8e5e 1801 clock_t process_time_so_far = clock();
3fadfdf1 1802 if (GetProcessTimes(GetCurrentProcess(), &dummy, &dummy,
d55594ae 1803 &kernel,&user)) {
2d7a9237
GS
1804 timebuf->tms_utime = filetime_to_clock(&user);
1805 timebuf->tms_stime = filetime_to_clock(&kernel);
d55594ae
GS
1806 timebuf->tms_cutime = 0;
1807 timebuf->tms_cstime = 0;
3fadfdf1 1808 } else {
d55594ae 1809 /* That failed - e.g. Win95 fallback to clock() */
50ee8e5e 1810 timebuf->tms_utime = process_time_so_far;
d55594ae
GS
1811 timebuf->tms_stime = 0;
1812 timebuf->tms_cutime = 0;
1813 timebuf->tms_cstime = 0;
1814 }
50ee8e5e 1815 return process_time_so_far;
0a753a76
PP
1816}
1817
9c51cf4c 1818/* fix utime() so it works on directories in NT */
ad0751ec
GS
1819static BOOL
1820filetime_from_time(PFILETIME pFileTime, time_t Time)
1821{
9c51cf4c 1822 struct tm *pTM = localtime(&Time);
ad0751ec 1823 SYSTEMTIME SystemTime;
9c51cf4c 1824 FILETIME LocalTime;
ad0751ec
GS
1825
1826 if (pTM == NULL)
1827 return FALSE;
1828
1829 SystemTime.wYear = pTM->tm_year + 1900;
1830 SystemTime.wMonth = pTM->tm_mon + 1;
1831 SystemTime.wDay = pTM->tm_mday;
1832 SystemTime.wHour = pTM->tm_hour;
1833 SystemTime.wMinute = pTM->tm_min;
1834 SystemTime.wSecond = pTM->tm_sec;
1835 SystemTime.wMilliseconds = 0;
1836
9c51cf4c
GS
1837 return SystemTimeToFileTime(&SystemTime, &LocalTime) &&
1838 LocalFileTimeToFileTime(&LocalTime, pFileTime);
ad0751ec
GS
1839}
1840
1841DllExport int
7766f137
GS
1842win32_unlink(const char *filename)
1843{
acfe0abc 1844 dTHX;
7766f137
GS
1845 int ret;
1846 DWORD attrs;
1847
8c56068e
JD
1848 filename = PerlDir_mapA(filename);
1849 attrs = GetFileAttributesA(filename);
1850 if (attrs == 0xFFFFFFFF) {
1851 errno = ENOENT;
1852 return -1;
7766f137 1853 }
8c56068e
JD
1854 if (attrs & FILE_ATTRIBUTE_READONLY) {
1855 (void)SetFileAttributesA(filename, attrs & ~FILE_ATTRIBUTE_READONLY);
1856 ret = unlink(filename);
1857 if (ret == -1)
1858 (void)SetFileAttributesA(filename, attrs);
7766f137 1859 }
8c56068e
JD
1860 else
1861 ret = unlink(filename);
7766f137
GS
1862 return ret;
1863}
1864
1865DllExport int
3b405fc5 1866win32_utime(const char *filename, struct utimbuf *times)
ad0751ec 1867{
acfe0abc 1868 dTHX;
ad0751ec
GS
1869 HANDLE handle;
1870 FILETIME ftCreate;
1871 FILETIME ftAccess;
1872 FILETIME ftWrite;
1873 struct utimbuf TimeBuffer;
7fac1903 1874 int rc;
8c56068e
JD
1875
1876 filename = PerlDir_mapA(filename);
1877 rc = utime(filename, times);
1878
ad0751ec 1879 /* EACCES: path specifies directory or readonly file */
8cbe99e5 1880 if (rc == 0 || errno != EACCES)
ad0751ec
GS
1881 return rc;
1882
1883 if (times == NULL) {
1884 times = &TimeBuffer;
1885 time(&times->actime);
1886 times->modtime = times->actime;
1887 }
1888
1889 /* This will (and should) still fail on readonly files */
8c56068e
JD
1890 handle = CreateFileA(filename, GENERIC_READ | GENERIC_WRITE,
1891 FILE_SHARE_READ | FILE_SHARE_DELETE, NULL,
1892 OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL);
ad0751ec
GS
1893 if (handle == INVALID_HANDLE_VALUE)
1894 return rc;
1895
1896 if (GetFileTime(handle, &ftCreate, &ftAccess, &ftWrite) &&
1897 filetime_from_time(&ftAccess, times->actime) &&
1898 filetime_from_time(&ftWrite, times->modtime) &&
1899 SetFileTime(handle, &ftCreate, &ftAccess, &ftWrite))
1900 {
1901 rc = 0;
1902 }
1903
1904 CloseHandle(handle);
1905 return rc;
1906}
1907
6e3b076d
JH
1908typedef union {
1909 unsigned __int64 ft_i64;
1910 FILETIME ft_val;
1911} FT_t;
1912
1913#ifdef __GNUC__
1914#define Const64(x) x##LL
1915#else
1916#define Const64(x) x##i64
1917#endif
1918/* Number of 100 nanosecond units from 1/1/1601 to 1/1/1970 */
1919#define EPOCH_BIAS Const64(116444736000000000)
1920
57ab3dfe
GS
1921/* NOTE: This does not compute the timezone info (doing so can be expensive,
1922 * and appears to be unsupported even by glibc) */
1923DllExport int
1924win32_gettimeofday(struct timeval *tp, void *not_used)
1925{
6e3b076d
JH
1926 FT_t ft;
1927
1928 /* this returns time in 100-nanosecond units (i.e. tens of usecs) */
1929 GetSystemTimeAsFileTime(&ft.ft_val);
1930
1931 /* seconds since epoch */
1932 tp->tv_sec = (long)((ft.ft_i64 - EPOCH_BIAS) / Const64(10000000));
1933
1934 /* microseconds remaining */
1935 tp->tv_usec = (long)((ft.ft_i64 / Const64(10)) % Const64(1000000));
1936
1937 return 0;
57ab3dfe
GS
1938}
1939
2d7a9237 1940DllExport int
b2af26b1
GS
1941win32_uname(struct utsname *name)
1942{
1943 struct hostent *hep;
1944 STRLEN nodemax = sizeof(name->nodename)-1;
b2af26b1 1945
aeecf691
JD
1946 /* sysname */
1947 switch (g_osver.dwPlatformId) {
1948 case VER_PLATFORM_WIN32_WINDOWS:
1949 strcpy(name->sysname, "Windows");
1950 break;
1951 case VER_PLATFORM_WIN32_NT:
1952 strcpy(name->sysname, "Windows NT");
1953 break;
1954 case VER_PLATFORM_WIN32s:
1955 strcpy(name->sysname, "Win32s");
1956 break;
1957 default:
1958 strcpy(name->sysname, "Win32 Unknown");
1959 break;
b2af26b1 1960 }
aeecf691
JD
1961
1962 /* release */
1963 sprintf(name->release, "%d.%d",
1964 g_osver.dwMajorVersion, g_osver.dwMinorVersion);
1965
1966 /* version */
1967 sprintf(name->version, "Build %d",
1968 g_osver.dwPlatformId == VER_PLATFORM_WIN32_NT
1969 ? g_osver.dwBuildNumber : (g_osver.dwBuildNumber & 0xffff));
1970 if (g_osver.szCSDVersion[0]) {
1971 char *buf = name->version + strlen(name->version);
1972 sprintf(buf, " (%s)", g_osver.szCSDVersion);
b2af26b1
GS
1973 }
1974
1975 /* nodename */
1976 hep = win32_gethostbyname("localhost");
1977 if (hep) {
1978 STRLEN len = strlen(hep->h_name);
1979 if (len <= nodemax) {
1980 strcpy(name->nodename, hep->h_name);
1981 }
1982 else {
1983 strncpy(name->nodename, hep->h_name, nodemax);
1984 name->nodename[nodemax] = '\0';
1985 }
1986 }
1987 else {
1988 DWORD sz = nodemax;
1989 if (!GetComputerName(name->nodename, &sz))
1990 *name->nodename = '\0';
1991 }
1992
1993 /* machine (architecture) */
1994 {
1995 SYSTEM_INFO info;
fe537c65 1996 DWORD procarch;
b2af26b1
GS
1997 char *arch;
1998 GetSystemInfo(&info);
a6c40364 1999
6f24f39d 2000#if (defined(__BORLANDC__)&&(__BORLANDC__<=0x520)) \
fa58a56f 2001 || (defined(__MINGW32__) && !defined(_ANONYMOUS_UNION) && !defined(__MINGW_EXTENSION))
fe537c65 2002 procarch = info.u.s.wProcessorArchitecture;
a6c40364 2003#else
fe537c65 2004 procarch = info.wProcessorArchitecture;
a6c40364 2005#endif
fe537c65 2006 switch (procarch) {
b2af26b1
GS
2007 case PROCESSOR_ARCHITECTURE_INTEL:
2008 arch = "x86"; break;
fe537c65
GS
2009 case PROCESSOR_ARCHITECTURE_IA64:
2010 arch = "ia64"; break;
fe537c65
GS
2011 case PROCESSOR_ARCHITECTURE_AMD64:
2012 arch = "amd64"; break;
fe537c65 2013 case PROCESSOR_ARCHITECTURE_UNKNOWN:
b2af26b1 2014 arch = "unknown"; break;
fe537c65
GS
2015 default:
2016 sprintf(name->machine, "unknown(0x%x)", procarch);
2017 arch = name->machine;
2018 break;
b2af26b1 2019 }
fe537c65
GS
2020 if (name->machine != arch)
2021 strcpy(name->machine, arch);
b2af26b1
GS
2022 }
2023 return 0;
2024}
2025
8fb3fcfb
NIS
2026/* Timing related stuff */
2027
3fadfdf1
NIS
2028int
2029do_raise(pTHX_ int sig)
2030{
2031 if (sig < SIG_SIZE) {
2032 Sighandler_t handler = w32_sighandler[sig];
2033 if (handler == SIG_IGN) {
2034 return 0;
2035 }
2036 else if (handler != SIG_DFL) {
2037 (*handler)(sig);
2038 return 0;
2039 }
2040 else {
2041 /* Choose correct default behaviour */
2042 switch (sig) {
2043#ifdef SIGCLD
2044 case SIGCLD:
2045#endif
2046#ifdef SIGCHLD
2047 case SIGCHLD:
2048#endif
2049 case 0:
2050 return 0;
2051 case SIGTERM:
2052 default:
2053 break;
2054 }
2055 }
2056 }
2057 /* Tell caller to exit thread/process as approriate */
2058 return 1;
2059}
2060
2061void
2062sig_terminate(pTHX_ int sig)
2063{
2064 Perl_warn(aTHX_ "Terminating on signal SIG%s(%d)\n",PL_sig_name[sig], sig);
2065 /* exit() seems to be safe, my_exit() or die() is a problem in ^C
2066 thread
2067 */
2068 exit(sig);
2069}
2070
8fb3fcfb
NIS
2071DllExport int
2072win32_async_check(pTHX)
2073{
2074 MSG msg;
aeecf691
JD
2075 HWND hwnd = w32_message_hwnd;
2076
099b16d3
RM
2077 /* Reset w32_poll_count before doing anything else, incase we dispatch
2078 * messages that end up calling back into perl */
aeecf691
JD
2079 w32_poll_count = 0;
2080
099b16d3
RM
2081 if (hwnd != INVALID_HANDLE_VALUE) {
2082 /* Passing PeekMessage -1 as HWND (2nd arg) only gets PostThreadMessage() messages
2083 * and ignores window messages - should co-exist better with windows apps e.g. Tk
2084 */
2085 if (hwnd == NULL)
2086 hwnd = (HWND)-1;
2087
2088 while (PeekMessage(&msg, hwnd, WM_TIMER, WM_TIMER, PM_REMOVE|PM_NOYIELD) ||
2089 PeekMessage(&msg, hwnd, WM_USER_MIN, WM_USER_MAX, PM_REMOVE|PM_NOYIELD))
2090 {
2091 /* re-post a WM_QUIT message (we'll mark it as read later) */
2092 if(msg.message == WM_QUIT) {
2093 PostQuitMessage((int)msg.wParam);
2094 break;
2095 }
8fb3fcfb 2096
099b16d3
RM
2097 if(!CallMsgFilter(&msg, MSGF_USER))
2098 {
2099 TranslateMessage(&msg);
2100 DispatchMessage(&msg);
aeecf691 2101 }
099b16d3 2102 }
8fb3fcfb
NIS
2103 }
2104
099b16d3
RM
2105 /* Call PeekMessage() to mark all pending messages in the queue as "old".
2106 * This is necessary when we are being called by win32_msgwait() to
2107 * make sure MsgWaitForMultipleObjects() stops reporting the same waiting
2108 * message over and over. An example how this can happen is when
2109 * Perl is calling win32_waitpid() inside a GUI application and the GUI
2110 * is generating messages before the process terminated.
2111 */
4386d69d 2112 PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE|PM_NOYIELD);
099b16d3 2113
7e5f34c0 2114 /* Above or other stuff may have set a signal flag */
099b16d3
RM
2115 if (PL_sig_pending)
2116 despatch_signals();
2117
aeecf691 2118 return 1;
8fb3fcfb
NIS
2119}
2120
089197fa
GS
2121/* This function will not return until the timeout has elapsed, or until
2122 * one of the handles is ready. */
8fb3fcfb
NIS
2123DllExport DWORD
2124win32_msgwait(pTHX_ DWORD count, LPHANDLE handles, DWORD timeout, LPDWORD resultp)
2125{
2126 /* We may need several goes at this - so compute when we stop */
2127 DWORD ticks = 0;
2128 if (timeout != INFINITE) {
2129 ticks = GetTickCount();
2130 timeout += ticks;
2131 }
2132 while (1) {
039698bb 2133 DWORD result = MsgWaitForMultipleObjects(count,handles,FALSE,timeout-ticks, QS_POSTMESSAGE|QS_TIMER|QS_SENDMESSAGE);
8fb3fcfb
NIS
2134 if (resultp)
2135 *resultp = result;
2136 if (result == WAIT_TIMEOUT) {
3fadfdf1
NIS
2137 /* Ran out of time - explicit return of zero to avoid -ve if we
2138 have scheduling issues
2139 */
8fb3fcfb
NIS
2140 return 0;
2141 }
2142 if (timeout != INFINITE) {
2143 ticks = GetTickCount();
2144 }
2145 if (result == WAIT_OBJECT_0 + count) {
2146 /* Message has arrived - check it */
089197fa 2147 (void)win32_async_check(aTHX);
8fb3fcfb
NIS
2148 }
2149 else {
2150 /* Not timeout or message - one of handles is ready */
2151 break;
2152 }
2153 }
2154 /* compute time left to wait */
2155 ticks = timeout - ticks;
2156 /* If we are past the end say zero */
2157 return (ticks > 0) ? ticks : 0;
2158}
2159
932b7487
RC
2160int
2161win32_internal_wait(int *status, DWORD timeout)
2162{
2163 /* XXX this wait emulation only knows about processes
2164 * spawned via win32_spawnvp(P_NOWAIT, ...).
2165 */
2166 dTHX;
2167 int i, retval;
2168 DWORD exitcode, waitcode;
2169
2170#ifdef USE_ITHREADS
2171 if (w32_num_pseudo_children) {
8fb3fcfb
NIS
2172 win32_msgwait(aTHX_ w32_num_pseudo_children, w32_pseudo_child_handles,
2173 timeout, &waitcode);
932b7487
RC
2174 /* Time out here if there are no other children to wait for. */
2175 if (waitcode == WAIT_TIMEOUT) {
2176 if (!w32_num_children) {
2177 return 0;
2178 }
2179 }
2180 else if (waitcode != WAIT_FAILED) {
2181 if (waitcode >= WAIT_ABANDONED_0
2182 && waitcode < WAIT_ABANDONED_0 + w32_num_pseudo_children)
2183 i = waitcode - WAIT_ABANDONED_0;
2184 else
2185 i = waitcode - WAIT_OBJECT_0;
2186 if (GetExitCodeThread(w32_pseudo_child_handles[i], &exitcode)) {
2187 *status = (int)((exitcode & 0xff) << 8);
2188 retval = (int)w32_pseudo_child_pids[i];
2189 remove_dead_pseudo_process(i);
2190 return -retval;
2191 }
2192 }
2193 }
2194#endif
2195
2196 if (!w32_num_children) {
2197 errno = ECHILD;
2198 return -1;
2199 }
2200
2201 /* if a child exists, wait for it to die */
8fb3fcfb 2202 win32_msgwait(aTHX_ w32_num_children, w32_child_handles, timeout, &waitcode);
932b7487
RC
2203 if (waitcode == WAIT_TIMEOUT) {
2204 return 0;
2205 }
2206 if (waitcode != WAIT_FAILED) {
2207 if (waitcode >= WAIT_ABANDONED_0
2208 && waitcode < WAIT_ABANDONED_0 + w32_num_children)
2209 i = waitcode - WAIT_ABANDONED_0;
2210 else
2211 i = waitcode - WAIT_OBJECT_0;
2212 if (GetExitCodeProcess(w32_child_handles[i], &exitcode) ) {
2213 *status = (int)((exitcode & 0xff) << 8);
2214 retval = (int)w32_child_pids[i];
2215 remove_dead_process(i);
2216 return retval;
2217 }
2218 }
2219
932b7487
RC
2220 errno = GetLastError();
2221 return -1;
2222}
2223
b2af26b1 2224DllExport int
f55ee38a
GS
2225win32_waitpid(int pid, int *status, int flags)
2226{
acfe0abc 2227 dTHX;
922b1888 2228 DWORD timeout = (flags & WNOHANG) ? 0 : INFINITE;
0aaad0ff 2229 int retval = -1;
c66b022d 2230 long child;
7766f137 2231 if (pid == -1) /* XXX threadid == 1 ? */
932b7487 2232 return win32_internal_wait(status, timeout);
7766f137
GS
2233#ifdef USE_ITHREADS
2234 else if (pid < 0) {
c66b022d 2235 child = find_pseudo_pid(-pid);
7766f137
GS
2236 if (child >= 0) {
2237 HANDLE hThread = w32_pseudo_child_handles[child];
8fb3fcfb
NIS
2238 DWORD waitcode;
2239 win32_msgwait(aTHX_ 1, &hThread, timeout, &waitcode);
2f67576d
BC
2240 if (waitcode == WAIT_TIMEOUT) {
2241 return 0;
2242 }
8fb3fcfb 2243 else if (waitcode == WAIT_OBJECT_0) {
7766f137
GS
2244 if (GetExitCodeThread(hThread, &waitcode)) {
2245 *status = (int)((waitcode & 0xff) << 8);
2246 retval = (int)w32_pseudo_child_pids[child];
2247 remove_dead_pseudo_process(child);
68a29c53 2248 return -retval;
7766f137
GS
2249 }
2250 }
2251 else
2252 errno = ECHILD;
2253 }
2254 }
2255#endif
f55ee38a 2256 else {
922b1888
GS
2257 HANDLE hProcess;
2258 DWORD waitcode;
c66b022d 2259 child = find_pid(pid);
0aaad0ff 2260 if (child >= 0) {
922b1888 2261 hProcess = w32_child_handles[child];
8fb3fcfb 2262 win32_msgwait(aTHX_ 1, &hProcess, timeout, &waitcode);
a7867d0a
GS
2263 if (waitcode == WAIT_TIMEOUT) {
2264 return 0;
2265 }
8fb3fcfb 2266 else if (waitcode == WAIT_OBJECT_0) {
922b1888
GS
2267 if (GetExitCodeProcess(hProcess, &waitcode)) {
2268 *status = (int)((waitcode & 0xff) << 8);
2269 retval = (int)w32_child_pids[child];
2270 remove_dead_process(child);
2271 return retval;
2272 }
a7867d0a 2273 }
0aaad0ff
GS
2274 else
2275 errno = ECHILD;
2276 }
2277 else {
8cbe99e5 2278 hProcess = OpenProcess(PROCESS_ALL_ACCESS, TRUE, pid);
922b1888 2279 if (hProcess) {
8fb3fcfb 2280 win32_msgwait(aTHX_ 1, &hProcess, timeout, &waitcode);
922b1888 2281 if (waitcode == WAIT_TIMEOUT) {
48db714f 2282 CloseHandle(hProcess);
922b1888
GS
2283 return 0;
2284 }
8fb3fcfb 2285 else if (waitcode == WAIT_OBJECT_0) {
922b1888
GS
2286 if (GetExitCodeProcess(hProcess, &waitcode)) {
2287 *status = (int)((waitcode & 0xff) << 8);
2288 CloseHandle(hProcess);
2289 return pid;
2290 }
2291 }
2292 CloseHandle(hProcess);
2293 }
2294 else
2295 errno = ECHILD;
0aaad0ff 2296 }
f55ee38a 2297 }
3fadfdf1 2298 return retval >= 0 ? pid : retval;
f55ee38a
GS
2299}
2300
2301DllExport int
2d7a9237
GS
2302win32_wait(int *status)
2303{
932b7487 2304 return win32_internal_wait(status, INFINITE);
2d7a9237 2305}
d55594ae 2306
8fb3fcfb
NIS
2307DllExport unsigned int
2308win32_sleep(unsigned int t)
d55594ae 2309{
acfe0abc 2310 dTHX;
8fb3fcfb
NIS
2311 /* Win32 times are in ms so *1000 in and /1000 out */
2312 return win32_msgwait(aTHX_ 0, NULL, t*1000, NULL)/1000;
d55594ae
GS
2313}
2314
f3986ebb
GS
2315DllExport unsigned int
2316win32_alarm(unsigned int sec)
0a753a76 2317{
3fadfdf1 2318 /*
d55594ae 2319 * the 'obvious' implentation is SetTimer() with a callback
3fadfdf1
NIS
2320 * which does whatever receiving SIGALRM would do
2321 * we cannot use SIGALRM even via raise() as it is not
d55594ae 2322 * one of the supported codes in <signal.h>
3fadfdf1 2323 */
acfe0abc 2324 dTHX;
aeecf691
JD
2325
2326 if (w32_message_hwnd == INVALID_HANDLE_VALUE)
2327 w32_message_hwnd = win32_create_message_window();
2328
8fb3fcfb 2329 if (sec) {
aeecf691
JD
2330 if (w32_message_hwnd == NULL)
2331 w32_timerid = SetTimer(NULL, w32_timerid, sec*1000, NULL);
2332 else {
2333 w32_timerid = 1;
2334 SetTimer(w32_message_hwnd, w32_timerid, sec*1000, NULL);
2335 }
8fb3fcfb
NIS
2336 }
2337 else {
2338 if (w32_timerid) {
aeecf691
JD
2339 KillTimer(w32_message_hwnd, w32_timerid);
2340 w32_timerid = 0;
8fb3fcfb 2341 }
3fadfdf1 2342 }
afe91769 2343 return 0;
0a753a76
PP
2344}
2345
2d77217b 2346extern char * des_fcrypt(const char *txt, const char *salt, char *cbuf);
26618a56
GS
2347
2348DllExport char *
2349win32_crypt(const char *txt, const char *salt)
2350{
acfe0abc 2351 dTHX;
3352bfcb 2352 return des_fcrypt(txt, salt, w32_crypt_buffer);
26618a56 2353}
26618a56 2354
390b85e7
GS
2355/* simulate flock by locking a range on the file */
2356
390b85e7
GS
2357#define LK_LEN 0xffff0000
2358
f3986ebb
GS
2359DllExport int
2360win32_flock(int fd, int oper)
390b85e7
GS
2361{
2362 OVERLAPPED o;
2363 int i = -1;
2364 HANDLE fh;
2365
2366 fh = (HANDLE)_get_osfhandle(fd);
97b33cac
JD
2367 if (fh == (HANDLE)-1) /* _get_osfhandle() already sets errno to EBADF */
2368 return -1;
2369
390b85e7
GS
2370 memset(&o, 0, sizeof(o));
2371
2372 switch(oper) {
2373 case LOCK_SH: /* shared lock */
97b33cac
JD
2374 if (LockFileEx(fh, 0, 0, LK_LEN, 0, &o))
2375 i = 0;
390b85e7
GS
2376 break;
2377 case LOCK_EX: /* exclusive lock */
97b33cac
JD
2378 if (LockFileEx(fh, LOCKFILE_EXCLUSIVE_LOCK, 0, LK_LEN, 0, &o))
2379 i = 0;
390b85e7
GS
2380 break;
2381 case LOCK_SH|LOCK_NB: /* non-blocking shared lock */
97b33cac
JD
2382 if (LockFileEx(fh, LOCKFILE_FAIL_IMMEDIATELY, 0, LK_LEN, 0, &o))
2383 i = 0;
390b85e7
GS
2384 break;
2385 case LOCK_EX|LOCK_NB: /* non-blocking exclusive lock */
97b33cac
JD
2386 if (LockFileEx(fh, LOCKFILE_EXCLUSIVE_LOCK|LOCKFILE_FAIL_IMMEDIATELY,
2387 0, LK_LEN, 0, &o))
2388 i = 0;
390b85e7
GS
2389 break;
2390 case LOCK_UN: /* unlock lock */
97b33cac
JD
2391 if (UnlockFileEx(fh, 0, LK_LEN, 0, &o))
2392 i = 0;
390b85e7
GS
2393 break;
2394 default: /* unknown */
2395 errno = EINVAL;
97b33cac
JD
2396 return -1;
2397 }
2398 if (i == -1) {
2399 if (GetLastError() == ERROR_LOCK_VIOLATION)
2400 errno = WSAEWOULDBLOCK;
2401 else
2402 errno = EINVAL;
390b85e7
GS
2403 }
2404 return i;
2405}
2406
390b85e7
GS
2407#undef LK_LEN
2408
68dc0745
PP
2409/*
2410 * redirected io subsystem for all XS modules
2411 *
2412 */
0a753a76 2413
68dc0745
PP
2414DllExport int *
2415win32_errno(void)
0a753a76 2416{
390b85e7 2417 return (&errno);
0a753a76
PP
2418}
2419
dcb2879a
GS
2420DllExport char ***
2421win32_environ(void)
2422{
390b85e7 2423 return (&(_environ));
dcb2879a
GS
2424}
2425
68dc0745
PP
2426/* the rest are the remapped stdio routines */
2427DllExport FILE *
2428win32_stderr(void)
0a753a76 2429{
390b85e7 2430 return (stderr);
0a753a76
PP
2431}
2432
68dc0745
PP
2433DllExport FILE *
2434win32_stdin(void)
0a753a76 2435{
390b85e7 2436 return (stdin);
0a753a76
PP
2437}
2438
68dc0745 2439DllExport FILE *
0934c9d9 2440win32_stdout(void)
0a753a76 2441{
390b85e7 2442 return (stdout);
0a753a76
PP
2443}
2444
68dc0745
PP
2445DllExport int
2446win32_ferror(FILE *fp)
0a753a76 2447{
390b85e7 2448 return (ferror(fp));
0a753a76
PP
2449}
2450
2451
68dc0745
PP
2452DllExport int
2453win32_feof(FILE *fp)
0a753a76 2454{
390b85e7 2455 return (feof(fp));
0a753a76
PP
2456}
2457
68dc0745 2458/*
3fadfdf1 2459 * Since the errors returned by the socket error function
68dc0745
PP
2460 * WSAGetLastError() are not known by the library routine strerror
2461 * we have to roll our own.
2462 */
0a753a76 2463
68dc0745 2464DllExport char *
3fadfdf1 2465win32_strerror(int e)
0a753a76 2466{
6f24f39d 2467#if !defined __BORLANDC__ && !defined __MINGW32__ /* compiler intolerance */
68dc0745 2468 extern int sys_nerr;
3e3baf6d 2469#endif
0a753a76 2470
9404a519 2471 if (e < 0 || e > sys_nerr) {
acfe0abc 2472 dTHX;
9404a519 2473 if (e < 0)
68dc0745 2474 e = GetLastError();
0a753a76 2475
364d54ba
JD
2476 if (FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM
2477 |FORMAT_MESSAGE_IGNORE_INSERTS, NULL, e, 0,
2478 w32_strerror_buffer, sizeof(w32_strerror_buffer),
2479 NULL) == 0)
2480 {
3352bfcb 2481 strcpy(w32_strerror_buffer, "Unknown Error");
364d54ba 2482 }
3352bfcb 2483 return w32_strerror_buffer;
68dc0745 2484 }
364d54ba 2485#undef strerror
390b85e7 2486 return strerror(e);
364d54ba 2487#define strerror win32_strerror
0a753a76
PP
2488}
2489
22fae026 2490DllExport void
c5be433b 2491win32_str_os_error(void *sv, DWORD dwErr)
22fae026
TM
2492{
2493 DWORD dwLen;
2494 char *sMsg;
2495 dwLen = FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER
2496 |FORMAT_MESSAGE_IGNORE_INSERTS
2497 |FORMAT_MESSAGE_FROM_SYSTEM, NULL,
2498 dwErr, 0, (char *)&sMsg, 1, NULL);
2ce77adf 2499 /* strip trailing whitespace and period */
22fae026 2500 if (0 < dwLen) {
2ce77adf
GS
2501 do {
2502 --dwLen; /* dwLen doesn't include trailing null */
2503 } while (0 < dwLen && isSPACE(sMsg[dwLen]));
22fae026
TM
2504 if ('.' != sMsg[dwLen])
2505 dwLen++;
2ce77adf 2506 sMsg[dwLen] = '\0';
22fae026
TM
2507 }
2508 if (0 == dwLen) {
c69f6586 2509 sMsg = (char*)LocalAlloc(0, 64/**sizeof(TCHAR)*/);
db7c17d7
GS
2510 if (sMsg)
2511 dwLen = sprintf(sMsg,
2512 "Unknown error #0x%lX (lookup 0x%lX)",
2513 dwErr, GetLastError());
2514 }
2515 if (sMsg) {
acfe0abc 2516 dTHX;
db7c17d7
GS
2517 sv_setpvn((SV*)sv, sMsg, dwLen);
2518 LocalFree(sMsg);
22fae026 2519 }
22fae026
TM
2520}
2521
68dc0745
PP
2522DllExport int
2523win32_fprintf(FILE *fp, const char *format, ...)
0a753a76 2524{
68dc0745
PP
2525 va_list marker;
2526 va_start(marker, format); /* Initialize variable arguments. */
0a753a76 2527
390b85e7 2528 return (vfprintf(fp, format, marker));
0a753a76
PP
2529}
2530
68dc0745
PP
2531DllExport int
2532win32_printf(const char *format, ...)
0a753a76 2533{
68dc0745
PP
2534 va_list marker;
2535 va_start(marker, format); /* Initialize variable arguments. */
0a753a76 2536
390b85e7 2537 return (vprintf(format, marker));
0a753a76
PP
2538}
2539
68dc0745
PP
2540DllExport int
2541win32_vfprintf(FILE *fp, const char *format, va_list args)
0a753a76 2542{
390b85e7 2543 return (vfprintf(fp, format, args));
0a753a76
PP
2544}
2545
96e4d5b1
PP
2546DllExport int
2547win32_vprintf(const char *format, va_list args)
2548{
390b85e7 2549 return (vprintf(format, args));
96e4d5b1
PP
2550}
2551
68dc0745
PP
2552DllExport size_t
2553win32_fread(void *buf, size_t size, size_t count, FILE *fp)
0a753a76 2554{
390b85e7 2555 return fread(buf, size, count, fp);
0a753a76
PP
2556}
2557
68dc0745
PP
2558DllExport size_t
2559win32_fwrite(const void *buf, size_t size, size_t count, FILE *fp)
0a753a76 2560{
390b85e7 2561 return fwrite(buf, size, count, fp);
0a753a76
PP
2562}
2563
7fac1903
GS
2564#define MODE_SIZE 10
2565
68dc0745
PP
2566DllExport FILE *
2567win32_fopen(const char *filename, const char *mode)
0a753a76 2568{
acfe0abc 2569 dTHX;
1c5905c2 2570 FILE *f;
3fadfdf1 2571
c5be433b
GS
2572 if (!*filename)
2573 return NULL;
2574
68dc0745 2575 if (stricmp(filename, "/dev/null")==0)
7fac1903
GS
2576 filename = "NUL";
2577
8c56068e 2578 f = fopen(PerlDir_mapA(filename), mode);
1c5905c2
GS
2579 /* avoid buffering headaches for child processes */
2580 if (f && *mode == 'a')
2581 win32_fseek(f, 0, SEEK_END);
2582 return f;
0a753a76
PP
2583}
2584
f3986ebb
GS
2585#ifndef USE_SOCKETS_AS_HANDLES
2586#undef fdopen
2587#define fdopen my_fdopen
2588#endif
2589
68dc0745 2590DllExport FILE *
7fac1903 2591win32_fdopen(int handle, const char *mode)
0a753a76 2592{
acfe0abc 2593 dTHX;
1c5905c2 2594 FILE *f;
8c56068e 2595 f = fdopen(handle, (char *) mode);
1c5905c2
GS
2596 /* avoid buffering headaches for child processes */
2597 if (f && *mode == 'a')
2598 win32_fseek(f, 0, SEEK_END);
2599 return f;
0a753a76
PP
2600}
2601
68dc0745 2602DllExport FILE *
7fac1903 2603win32_freopen(const char *path, const char *mode, FILE *stream)
0a753a76 2604{
acfe0abc 2605 dTHX;
68dc0745 2606 if (stricmp(path, "/dev/null")==0)
7fac1903
GS
2607 path = "NUL";
2608
7766f137 2609 return freopen(PerlDir_mapA(path), mode, stream);
0a753a76
PP
2610}
2611
68dc0745
PP
2612DllExport int
2613win32_fclose(FILE *pf)
0a753a76 2614{
f3986ebb 2615 return my_fclose(pf); /* defined in win32sck.c */
0a753a76
PP
2616}
2617
68dc0745
PP
2618DllExport int
2619win32_fputs(const char *s,FILE *pf)
0a753a76 2620{
390b85e7 2621 return fputs(s, pf);
0a753a76
PP
2622}
2623
68dc0745
PP
2624DllExport int
2625win32_fputc(int c,FILE *pf)
0a753a76 2626{
390b85e7 2627 return fputc(c,pf);
0a753a76
PP
2628}
2629
68dc0745
PP
2630DllExport int
2631win32_ungetc(int c,FILE *pf)
0a753a76 2632{
390b85e7 2633 return ungetc(c,pf);
0a753a76
PP
2634}
2635
68dc0745
PP
2636DllExport int
2637win32_getc(FILE *pf)
0a753a76 2638{
390b85e7 2639 return getc(pf);
0a753a76
PP
2640}
2641
68dc0745
PP
2642DllExport int
2643win32_fileno(FILE *pf)
0a753a76 2644{
390b85e7 2645 return fileno(pf);
0a753a76
PP
2646}
2647
68dc0745
PP
2648DllExport void
2649win32_clearerr(FILE *pf)
0a753a76 2650{
390b85e7 2651 clearerr(pf);
68dc0745 2652 return;
0a753a76
PP
2653}
2654
68dc0745
PP
2655DllExport int
2656win32_fflush(FILE *pf)
0a753a76 2657{
390b85e7 2658 return fflush(pf);
0a753a76
PP
2659}
2660
c623ac67 2661DllExport Off_t
68dc0745 2662win32_ftell(FILE *pf)
0a753a76 2663{
c623ac67 2664#if defined(WIN64) || defined(USE_LARGE_FILES)
56460430 2665#if defined(__BORLANDC__) /* buk */
a810272a
NS
2666 return win32_tell( fileno( pf ) );
2667#else
c623ac67
GS
2668 fpos_t pos;
2669 if (fgetpos(pf, &pos))
2670 return -1;
2671 return (Off_t)pos;
a810272a 2672#endif
c623ac67 2673#else
390b85e7 2674 return ftell(pf);
c623ac67 2675#endif
0a753a76
PP
2676}
2677
68dc0745 2678DllExport int
c623ac67 2679win32_fseek(FILE *pf, Off_t offset,int origin)
0a753a76 2680{
c623ac67 2681#if defined(WIN64) || defined(USE_LARGE_FILES)
a810272a
NS
2682#if defined(__BORLANDC__) /* buk */
2683 return win32_lseek(
2684 fileno(pf),
2685 offset,
2686 origin
2687 );
2688#else
c623ac67
GS
2689 fpos_t pos;
2690 switch (origin) {
2691 case SEEK_CUR:
2692 if (fgetpos(pf, &pos))
2693 return -1;
2694 offset += pos;
2695 break;
2696 case SEEK_END:
2697 fseek(pf, 0, SEEK_END);
2698 pos = _telli64(fileno(pf));
2699 offset += pos;
2700 break;
2701 case SEEK_SET:
2702 break;
2703 default:
2704 errno = EINVAL;
2705 return -1;
2706 }
2707 return fsetpos(pf, &offset);
a810272a 2708#endif
c623ac67 2709#else
8859a7a0 2710 return fseek(pf, (long)offset, origin);
c623ac67 2711#endif
0a753a76
PP
2712}
2713
68dc0745
PP
2714DllExport int
2715win32_fgetpos(FILE *pf,fpos_t *p)
0a753a76 2716{
a810272a
NS
2717#if defined(__BORLANDC__) && defined(USE_LARGE_FILES) /* buk */
2718 if( win32_tell(fileno(pf)) == -1L ) {
2719 errno = EBADF;
2720 return -1;
2721 }
2722 return 0;
2723#else
390b85e7 2724 return fgetpos(pf, p);
a810272a 2725#endif
0a753a76
PP
2726}
2727
68dc0745
PP
2728DllExport int
2729win32_fsetpos(FILE *pf,const fpos_t *p)
0a753a76 2730{
a810272a
NS
2731#if defined(__BORLANDC__) && defined(USE_LARGE_FILES) /* buk */
2732 return win32_lseek(fileno(pf), *p, SEEK_CUR);
2733#else
390b85e7 2734 return fsetpos(pf, p);
a810272a 2735#endif
0a753a76
PP
2736}
2737
68dc0745
PP
2738DllExport void
2739win32_rewind(FILE *pf)
0a753a76 2740{
390b85e7 2741 rewind(pf);
68dc0745 2742 return;
0a753a76
PP
2743}
2744
2941a2e1
JH
2745DllExport int
2746win32_tmpfd(void)
0a753a76 2747{
b3122bc4
JH
2748 dTHX;
2749 char prefix[MAX_PATH+1];
2750 char filename[MAX_PATH+1];
2751 DWORD len = GetTempPath(MAX_PATH, prefix);
2752 if (len && len < MAX_PATH) {
2753 if (GetTempFileName(prefix, "plx", 0, filename)) {
2754 HANDLE fh = CreateFile(filename,
2755 DELETE | GENERIC_READ | GENERIC_WRITE,
2756 0,
2757 NULL,
2758 CREATE_ALWAYS,
2759 FILE_ATTRIBUTE_NORMAL
2760 | FILE_FLAG_DELETE_ON_CLOSE,
2761 NULL);
2762 if (fh != INVALID_HANDLE_VALUE) {
c623ac67 2763 int fd = win32_open_osfhandle((intptr_t)fh, 0);
b3122bc4 2764 if (fd >= 0) {
a051bdb4
VK
2765#if defined(__BORLANDC__)
2766 setmode(fd,O_BINARY);
2767#endif
b3122bc4
JH
2768 DEBUG_p(PerlIO_printf(Perl_debug_log,
2769 "Created tmpfile=%s\n",filename));
2941a2e1 2770 return fd;
b3122bc4
JH
2771 }
2772 }
2773 }
2774 }
2941a2e1
JH
2775 return -1;
2776}
2777
2778DllExport FILE*
2779win32_tmpfile(void)
2780{
2781 int fd = win32_tmpfd();
2782 if (fd >= 0)
2783 return win32_fdopen(fd, "w+b");
b3122bc4 2784 return NULL;
0a753a76
PP
2785}
2786
68dc0745
PP
2787DllExport void
2788win32_abort(void)
0a753a76 2789{
390b85e7 2790 abort();
68dc0745 2791 return;
0a753a76
PP
2792}
2793
68dc0745 2794DllExport int
c623ac67 2795win32_fstat(int fd, Stat_t *sbufptr)
0a753a76 2796{
2a07f407
VK
2797#ifdef __BORLANDC__
2798 /* A file designated by filehandle is not shown as accessible
2799 * for write operations, probably because it is opened for reading.
2800 * --Vadim Konovalov
3fadfdf1 2801 */
2a07f407 2802 BY_HANDLE_FILE_INFORMATION bhfi;
8cbe99e5 2803# if defined(WIN64) || defined(USE_LARGE_FILES)
bda6ed21
PM
2804 /* Borland 5.5.1 has a 64-bit stat, but only a 32-bit fstat */
2805 struct stat tmp;
2806 int rc = fstat(fd,&tmp);
8cbe99e5 2807
bda6ed21
PM
2808 sbufptr->st_dev = tmp.st_dev;
2809 sbufptr->st_ino = tmp.st_ino;
2810 sbufptr->st_mode = tmp.st_mode;
2811 sbufptr->st_nlink = tmp.st_nlink;
2812 sbufptr->st_uid = tmp.st_uid;
2813 sbufptr->st_gid = tmp.st_gid;
2814 sbufptr->st_rdev = tmp.st_rdev;
2815 sbufptr->st_size = tmp.st_size;
2816 sbufptr->st_atime = tmp.st_atime;
2817 sbufptr->st_mtime = tmp.st_mtime;
2818 sbufptr->st_ctime = tmp.st_ctime;
8cbe99e5 2819# else
bda6ed21 2820 int rc = fstat(fd,sbufptr);
8cbe99e5 2821# endif
bda6ed21 2822
2a07f407 2823 if (GetFileInformationByHandle((HANDLE)_get_osfhandle(fd), &bhfi)) {
8cbe99e5 2824# if defined(WIN64) || defined(USE_LARGE_FILES)
0934c9d9 2825 sbufptr->st_size = ((__int64)bhfi.nFileSizeHigh << 32) | bhfi.nFileSizeLow ;
8cbe99e5 2826# endif
2a07f407
VK
2827 sbufptr->st_mode &= 0xFE00;
2828 if (bhfi.dwFileAttributes & FILE_ATTRIBUTE_READONLY)
2829 sbufptr->st_mode |= (S_IREAD + (S_IREAD >> 3) + (S_IREAD >> 6));
2830 else
2831 sbufptr->st_mode |= ((S_IREAD|S_IWRITE) + ((S_IREAD|S_IWRITE) >> 3)
2832 + ((S_IREAD|S_IWRITE) >> 6));
2833 }
2834 return rc;
2835#else
8cbe99e5
JD
2836# if defined(WIN64) || defined(USE_LARGE_FILES)
2837 return _fstati64(fd, sbufptr);
2838# else
2839 return fstat(fd, sbufptr);
2840# endif
2a07f407 2841#endif
0a753a76
PP
2842}
2843
68dc0745
PP
2844DllExport int
2845win32_pipe(int *pfd, unsigned int size, int mode)
0a753a76 2846{
390b85e7 2847 return _pipe(pfd, size, mode);
0a753a76
PP
2848}
2849
8c0134a8
NIS
2850DllExport PerlIO*
2851win32_popenlist(const char *mode, IV narg, SV **args)
2852{
2853 dTHX;
2854 Perl_croak(aTHX_ "List form of pipe open not implemented");
2855 return NULL;
2856}
2857
50892819
GS
2858/*
2859 * a popen() clone that respects PERL5SHELL
00b02797
JH
2860 *
2861 * changed to return PerlIO* rather than FILE * by BKS, 11-11-2000
50892819
GS
2862 */
2863
00b02797 2864DllExport PerlIO*
68dc0745 2865win32_popen(const char *command, const char *mode)
0a753a76 2866{
4b556e6c 2867#ifdef USE_RTL_POPEN
390b85e7 2868 return _popen(command, mode);
50892819 2869#else
2cbbe5a1 2870 dTHX;
50892819
GS
2871 int p[2];
2872 int parent, child;
2873 int stdfd, oldfd;
2874 int ourmode;
2875 int childpid;
1095be37
GS
2876 DWORD nhandle;
2877 HANDLE old_h;
2878 int lock_held = 0;
50892819
GS
2879
2880 /* establish which ends read and write */
2881 if (strchr(mode,'w')) {
2882 stdfd = 0; /* stdin */
2883 parent = 1;
2884 child = 0;
1095be37 2885 nhandle = STD_INPUT_HANDLE;
50892819
GS
2886 }
2887 else if (strchr(mode,'r')) {
2888 stdfd = 1; /* stdout */
2889 parent = 0;
2890 child = 1;
1095be37 2891 nhandle = STD_OUTPUT_HANDLE;
50892819
GS
2892 }
2893 else
2894 return NULL;
2895
2896 /* set the correct mode */
2897 if (strchr(mode,'b'))
2898 ourmode = O_BINARY;
2899 else if (strchr(mode,'t'))
2900 ourmode = O_TEXT;
2901 else
2902 ourmode = _fmode & (O_TEXT | O_BINARY);
2903
2904 /* the child doesn't inherit handles */
2905 ourmode |= O_NOINHERIT;
2906
1095be37 2907 if (win32_pipe(p, 512, ourmode) == -1)
50892819
GS
2908 return NULL;
2909
498d7dc4
GS
2910 /* save the old std handle (this needs to happen before the
2911 * dup2(), since that might call SetStdHandle() too) */
2912 OP_REFCNT_LOCK;
2913 lock_held = 1;
2914 old_h = GetStdHandle(nhandle);
2915
564914cd
AS
2916 /* save current stdfd */
2917 if ((oldfd = win32_dup(stdfd)) == -1)
2918 goto cleanup;
2919
50892819
GS
2920 /* make stdfd go to child end of pipe (implicitly closes stdfd) */
2921 /* stdfd will be inherited by the child */
2922 if (win32_dup2(p[child], stdfd) == -1)
2923 goto cleanup;
2924
2925 /* close the child end in parent */
2926 win32_close(p[child]);
2927
498d7dc4 2928 /* set the new std handle (in case dup2() above didn't) */
1095be37
GS
2929 SetStdHandle(nhandle, (HANDLE)_get_osfhandle(stdfd));
2930
50892819 2931 /* start the child */
4f63d024 2932 {
acfe0abc 2933 dTHX;
c5be433b 2934 if ((childpid = do_spawn_nowait((char*)command)) == -1)
4f63d024 2935 goto cleanup;
50892819 2936
498d7dc4
GS
2937 /* revert stdfd to whatever it was before */
2938 if (win32_dup2(oldfd, stdfd) == -1)
2939 goto cleanup;
2940
564914cd
AS
2941 /* close saved handle */
2942 win32_close(oldfd);
2943
498d7dc4
GS
2944 /* restore the old std handle (this needs to happen after the
2945 * dup2(), since that might call SetStdHandle() too */
1095be37
GS
2946 if (lock_held) {
2947 SetStdHandle(nhandle, old_h);
2948 OP_REFCNT_UNLOCK;
2949 lock_held = 0;
2950 }
2951
4f63d024 2952 sv_setiv(*av_fetch(w32_fdpid, p[parent], TRUE), childpid);
d91d68c1
R
2953
2954 /* set process id so that it can be returned by perl's open() */
2955 PL_forkprocess = childpid;
4f63d024 2956 }
50892819
GS
2957
2958 /* we have an fd, return a file stream */
00b02797 2959 return (PerlIO_fdopen(p[parent], (char *)mode));
50892819
GS
2960
2961cleanup:
2962 /* we don't need to check for errors here */
2963 win32_close(p[0]);
2964 win32_close(p[1]);
564914cd
AS
2965 if (oldfd != -1) {
2966 win32_dup2(oldfd, stdfd);
2967 win32_close(oldfd);
2968 }
1095be37
GS
2969 if (lock_held) {
2970 SetStdHandle(nhandle, old_h);
2971 OP_REFCNT_UNLOCK;
2972 lock_held = 0;
2973 }
50892819
GS
2974 return (NULL);
2975
4b556e6c 2976#endif /* USE_RTL_POPEN */
0a753a76
PP
2977}
2978
50892819
GS
2979/*
2980 * pclose() clone
2981 */
2982
68dc0745 2983DllExport int
00b02797 2984win32_pclose(PerlIO *pf)
0a753a76 2985{
4b556e6c 2986#ifdef USE_RTL_POPEN
390b85e7 2987 return _pclose(pf);
50892819 2988#else
acfe0abc 2989 dTHX;
e17cb2a9
JD
2990 int childpid, status;
2991 SV *sv;
2992
00b02797 2993 sv = *av_fetch(w32_fdpid, PerlIO_fileno(pf), TRUE);
4755096e 2994
e17cb2a9
JD
2995 if (SvIOK(sv))
2996 childpid = SvIVX(sv);
2997 else
2998 childpid = 0;
50892819
GS
2999
3000 if (!childpid) {
3001 errno = EBADF;
3002 return -1;
3003 }
3004
00b02797
JH
3005#ifdef USE_PERLIO
3006 PerlIO_close(pf);
3007#else
3008 fclose(pf);
3009#endif
e17cb2a9
JD
3010 SvIVX(sv) = 0;
3011
0aaad0ff
GS
3012 if (win32_waitpid(childpid, &status, 0) == -1)
3013 return -1;
50892819 3014
0aaad0ff 3015 return status;
50892819 3016
4b556e6c 3017#endif /* USE_RTL_POPEN */
0a753a76 3018}
6b980173 3019
6b980173
JD
3020DllExport int
3021win32_link(const char *oldname, const char *newname)
3022{
acfe0abc 3023 dTHX;
82867ecf
GS
3024 WCHAR wOldName[MAX_PATH+1];
3025 WCHAR wNewName[MAX_PATH+1];
6b980173 3026
8c56068e
JD
3027 if (MultiByteToWideChar(CP_ACP, 0, oldname, -1, wOldName, MAX_PATH+1) &&
3028 MultiByteToWideChar(CP_ACP, 0, newname, -1, wNewName, MAX_PATH+1) &&
7766f137 3029 (wcscpy(wOldName, PerlDir_mapW(wOldName)),
8cbe99e5 3030 CreateHardLinkW(PerlDir_mapW(wNewName), wOldName, NULL)))
6b980173
JD
3031 {
3032 return 0;
3033 }
3034 errno = (GetLastError() == ERROR_FILE_NOT_FOUND) ? ENOENT : EINVAL;
3035 return -1;
3036}
0a753a76 3037
68dc0745 3038DllExport int
8d9b2e3c 3039win32_rename(const char *oname, const char *newname)
e24c7c18 3040{
65cb15a1 3041 char szOldName[MAX_PATH+1];
7fac1903 3042 BOOL bResult;
8cbe99e5 3043 DWORD dwFlags = MOVEFILE_COPY_ALLOWED;
acfe0abc 3044 dTHX;
65cb15a1 3045
8cbe99e5
JD
3046 if (stricmp(newname, oname))
3047 dwFlags |= MOVEFILE_REPLACE_EXISTING;
3048 strcpy(szOldName, PerlDir_mapA(oname));
3049
3050 bResult = MoveFileExA(szOldName,PerlDir_mapA(newname), dwFlags);
3051 if (!bResult) {
3052 DWORD err = GetLastError();
3053 switch (err) {
3054 case ERROR_BAD_NET_NAME:
3055 case ERROR_BAD_NETPATH:
3056 case ERROR_BAD_PATHNAME:
3057 case ERROR_FILE_NOT_FOUND:
3058 case ERROR_FILENAME_EXCED_RANGE:
3059 case ERROR_INVALID_DRIVE:
3060 case ERROR_NO_MORE_FILES:
3061 case ERROR_PATH_NOT_FOUND:
3062 errno = ENOENT;
3063 break;
3064 default:
3065 errno = EACCES;
3066 break;
3067 }
3068 return -1;
e24c7c18 3069 }
8cbe99e5 3070 return 0;
e24c7c18
GS
3071}
3072
3073DllExport int
68dc0745 3074win32_setmode(int fd, int mode)
0a753a76 3075{
390b85e7 3076 return setmode(fd, mode);
0a753a76
PP
3077}
3078
4a9d6100
GS
3079DllExport int
3080win32_chsize(int fd, Off_t size)
3081{
3082#if defined(WIN64) || defined(USE_LARGE_FILES)
3083 int retval = 0;
3084 Off_t cur, end, extend;
3085
3086 cur = win32_tell(fd);
3087 if (cur < 0)
3088 return -1;
3089 end = win32_lseek(fd, 0, SEEK_END);
3090 if (end < 0)
3091 return -1;
3092 extend = size - end;
3093 if (extend == 0) {
3094 /* do nothing */
3095 }
3096 else if (extend > 0) {
3097 /* must grow the file, padding with nulls */
3098 char b[4096];
3099 int oldmode = win32_setmode(fd, O_BINARY);
3100 size_t count;
3101 memset(b, '\0', sizeof(b));
3102 do {
3103 count = extend >= sizeof(b) ? sizeof(b) : (size_t)extend;
3104 count = win32_write(fd, b, count);
21424390 3105 if ((int)count < 0) {
4a9d6100
GS
3106 retval = -1;
3107 break;
3108 }
3109 } while ((extend -= count) > 0);
3110 win32_setmode(fd, oldmode);
3111 }
3112 else {
3113 /* shrink the file */
3114 win32_lseek(fd, size, SEEK_SET);
3115 if (!SetEndOfFile((HANDLE)_get_osfhandle(fd))) {
3116 errno = EACCES;
3117 retval = -1;
3118 }
3119 }
3120finish:
3121 win32_lseek(fd, cur, SEEK_SET);
3122 return retval;
3123#else
8859a7a0 3124 return chsize(fd, (long)size);
4a9d6100
GS
3125#endif
3126}
3127
c623ac67
GS
3128DllExport Off_t
3129win32_lseek(int fd, Off_t offset, int origin)
96e4d5b1 3130{
c623ac67 3131#if defined(WIN64) || defined(USE_LARGE_FILES)
a810272a
NS
3132#if defined(__BORLANDC__) /* buk */
3133 LARGE_INTEGER pos;
3134 pos.QuadPart = offset;
3135 pos.LowPart = SetFilePointer(
3136 (HANDLE)_get_osfhandle(fd),
3137 pos.LowPart,
3138 &pos.HighPart,
3139 origin
3140 );
3141 if (pos.LowPart == INVALID_SET_FILE_POINTER && GetLastError() != NO_ERROR) {
3142 pos.QuadPart = -1;
3143 }
3144
3145 return pos.QuadPart;
3146#else
c623ac67 3147 return _lseeki64(fd, offset, origin);
a810272a 3148#endif
c623ac67 3149#else
8859a7a0 3150 return lseek(fd, (long)offset, origin);
c623ac67 3151#endif
96e4d5b1
PP
3152}
3153
c623ac67 3154DllExport Off_t
96e4d5b1
PP
3155win32_tell(int fd)
3156{
c623ac67 3157#if defined(WIN64) || defined(USE_LARGE_FILES)
05e23382 3158#if defined(__BORLANDC__) /* buk */
a810272a
NS
3159 LARGE_INTEGER pos;
3160 pos.QuadPart = 0;
3161 pos.LowPart = SetFilePointer(
3162 (HANDLE)_get_osfhandle(fd),
3163 pos.LowPart,
3164 &pos.HighPart,
3165 FILE_CURRENT
3166 );
3167 if (pos.LowPart == INVALID_SET_FILE_POINTER && GetLastError() != NO_ERROR) {
3168 pos.QuadPart = -1;
3169 }
3170
3171 return pos.QuadPart;
3172 /* return tell(fd); */
3173#else
c623ac67 3174 return _telli64(fd);
a810272a 3175#endif
c623ac67 3176#else
390b85e7 3177 return tell(fd);
c623ac67 3178#endif
96e4d5b1
PP
3179}
3180
68dc0745
PP
3181DllExport int
3182win32_open(const char *path, int flag, ...)
0a753a76 3183{
acfe0abc 3184 dTHX;
68dc0745
PP
3185 va_list ap;
3186 int pmode;
0a753a76
PP
3187
3188 va_start(ap, flag);
3189 pmode = va_arg(ap, int);
3190 va_end(ap);
3191
68dc0745 3192 if (stricmp(path, "/dev/null")==0)
7fac1903
GS
3193 path = "NUL";
3194
7766f137 3195 return open(PerlDir_mapA(path), flag, pmode);
0a753a76
PP
3196}
3197
00b02797
JH
3198/* close() that understands socket */
3199extern int my_close(int); /* in win32sck.c */
3200
68dc0745
PP
3201DllExport int
3202win32_close(int fd)
0a753a76 3203{
00b02797 3204 return my_close(fd);
0a753a76
PP
3205}
3206
68dc0745 3207DllExport int
96e4d5b1
PP
3208win32_eof(int fd)
3209{
390b85e7 3210 return eof(fd);
96e4d5b1
PP
3211}
3212
3213DllExport int
4342f4d6
JD
3214win32_isatty(int fd)
3215{
3216 /* The Microsoft isatty() function returns true for *all*
3217 * character mode devices, including "nul". Our implementation
3218 * should only return true if the handle has a console buffer.
3219 */
3220 DWORD mode;
3221 HANDLE fh = (HANDLE)_get_osfhandle(fd);
3222 if (fh == (HANDLE)-1) {
3223 /* errno is already set to EBADF */
3224 return 0;
3225 }
3226
3227 if (GetConsoleMode(fh, &mode))
3228 return 1;
3229
3230 errno = ENOTTY;
3231 return 0;
3232}
3233
3234DllExport int
68dc0745 3235win32_dup(int fd)
0a753a76 3236{
390b85e7 3237 return dup(fd);
0a753a76
PP
3238}
3239
68dc0745
PP
3240DllExport int
3241win32_dup2(int fd1,int fd2)
0a753a76 3242{
390b85e7 3243 return dup2(fd1,fd2);
0a753a76
PP
3244}
3245
68dc0745 3246DllExport int
3e3baf6d 3247win32_read(int fd, void *buf, unsigned int cnt)
0a753a76 3248{
390b85e7 3249 return read(fd, buf, cnt);
0a753a76
PP
3250}
3251
68dc0745 3252DllExport int
3e3baf6d 3253win32_write(int fd, const void *buf, unsigned int cnt)
0a753a76 3254{
390b85e7 3255 return write(fd, buf, cnt);
0a753a76
PP
3256}
3257
68dc0745 3258DllExport int
5aabfad6
PP
3259win32_mkdir(const char *dir, int mode)
3260{
acfe0abc 3261 dTHX;
7766f137 3262 return mkdir(PerlDir_mapA(dir)); /* just ignore mode */
5aabfad6 3263}
96e4d5b1 3264
5aabfad6
PP
3265DllExport int
3266win32_rmdir(const char *dir)
3267{
acfe0abc 3268 dTHX;
7766f137 3269 return rmdir(PerlDir_mapA(dir));
5aabfad6 3270}
96e4d5b1 3271
5aabfad6
PP
3272DllExport int
3273win32_chdir(const char *dir)
3274{
4ae93879 3275 dTHX;
9ec3348a
JH
3276 if (!dir) {
3277 errno = ENOENT;
3278 return -1;
3279 }
390b85e7 3280 return chdir(dir);
5aabfad6 3281}
96e4d5b1 3282
7766f137
GS
3283DllExport int
3284win32_access(const char *path, int mode)
3285{
acfe0abc 3286 dTHX;
7766f137
GS
3287 return access(PerlDir_mapA(path), mode);
3288}
3289
3290DllExport int
3291win32_chmod(const char *path, int mode)
3292{
acfe0abc 3293 dTHX;
7766f137
GS
3294 return chmod(PerlDir_mapA(path), mode);
3295}
3296
3297
0aaad0ff 3298static char *
dd7038b3 3299create_command_line(char *cname, STRLEN clen, const char * const *args)
0aaad0ff 3300{
acfe0abc 3301 dTHX;
b309b8ae
JH
3302 int index, argc;
3303 char *cmd, *ptr;
3304 const char *arg;
3305 STRLEN len = 0;
81bc1258 3306 bool bat_file = FALSE;
b309b8ae 3307 bool cmd_shell = FALSE;
7b11e424 3308 bool dumb_shell = FALSE;
b309b8ae 3309 bool extra_quotes = FALSE;
dd7038b3 3310 bool quote_next = FALSE;
81bc1258
JH
3311
3312 if (!cname)
3313 cname = (char*)args[0];
b309b8ae
JH
3314
3315 /* The NT cmd.exe shell has the following peculiarity that needs to be
3316 * worked around. It strips a leading and trailing dquote when any
3317 * of the following is true:
3318 * 1. the /S switch was used
3319 * 2. there are more than two dquotes
3320 * 3. there is a special character from this set: &<>()@^|
3321 * 4. no whitespace characters within the two dquotes
3322 * 5. string between two dquotes isn't an executable file
3323 * To work around this, we always add a leading and trailing dquote
3324 * to the string, if the first argument is either "cmd.exe" or "cmd",
3325 * and there were at least two or more arguments passed to cmd.exe
3326 * (not including switches).
dd7038b3
JH
3327 * XXX the above rules (from "cmd /?") don't seem to be applied
3328 * always, making for the convolutions below :-(
b309b8ae 3329 */
81bc1258 3330 if (cname) {
dd7038b3
JH
3331 if (!clen)
3332 clen = strlen(cname);
3333
81bc1258
JH
3334 if (clen > 4
3335 && (stricmp(&cname[clen-4], ".bat") == 0
8cbe99e5 3336 || (stricmp(&cname[clen-4], ".cmd") == 0)))
81bc1258
JH
3337 {
3338 bat_file = TRUE;
8cbe99e5 3339 len += 3;
81bc1258 3340 }
dd7038b3
JH
3341 else {
3342 char *exe = strrchr(cname, '/');
3343 char *exe2 = strrchr(cname, '\\');
3344 if (exe2 > exe)
3345 exe = exe2;
3346 if (exe)
3347 ++exe;
3348 else
3349 exe = cname;
3350 if (stricmp(exe, "cmd.exe") == 0 || stricmp(exe, "cmd") == 0) {
3351 cmd_shell = TRUE;
3352 len += 3;
3353 }
7b11e424
JH
3354 else if (stricmp(exe, "command.com") == 0
3355 || stricmp(exe, "command") == 0)
3356 {
3357 dumb_shell = TRUE;
3358 }
81bc1258 3359 }
b309b8ae 3360 }
0aaad0ff 3361
b309b8ae
JH
3362 DEBUG_p(PerlIO_printf(Perl_debug_log, "Args "));
3363 for (index = 0; (arg = (char*)args[index]) != NULL; ++index) {
3364 STRLEN curlen = strlen(arg);
3365 if (!(arg[0] == '"' && arg[curlen-1] == '"'))
3366 len += 2; /* assume quoting needed (worst case) */
3367 len += curlen + 1;
3368 DEBUG_p(PerlIO_printf(Perl_debug_log, "[%s]",arg));
3369 }
3370 DEBUG_p(PerlIO_printf(Perl_debug_log, "\n"));
0aaad0ff 3371
b309b8ae 3372 argc = index;
a02a5408 3373 Newx(cmd, len, char);
0aaad0ff 3374 ptr = cmd;
0aaad0ff 3375
8cbe99e5 3376 if (bat_file) {
81bc1258
JH
3377 *ptr++ = '"';
3378 extra_quotes = TRUE;
3379 }
3380
0aaad0ff 3381 for (index = 0; (arg = (char*)args[index]) != NULL; ++index) {
b309b8ae
JH
3382 bool do_quote = 0;
3383 STRLEN curlen = strlen(arg);
3384
81bc1258
JH
3385 /* we want to protect empty arguments and ones with spaces with
3386 * dquotes, but only if they aren't already there */
7b11e424
JH
3387 if (!dumb_shell) {
3388 if (!curlen) {
3389 do_quote = 1;
3390 }
02ef22d5
JH
3391 else if (quote_next) {
3392 /* see if it really is multiple arguments pretending to
3393 * be one and force a set of quotes around it */
3394 if (*find_next_space(arg))
3395 do_quote = 1;
3396 }
7b11e424
JH
3397 else if (!(arg[0] == '"' && curlen > 1 && arg[curlen-1] == '"')) {
3398 STRLEN i = 0;
3399 while (i < curlen) {
3400 if (isSPACE(arg[i])) {
3401 do_quote = 1;
02ef22d5
JH
3402 }
3403 else if (arg[i] == '"') {
3404 do_quote = 0;
7b11e424
JH
3405 break;
3406 }
3407 i++;
b309b8ae 3408 }
b309b8ae 3409 }
dd7038b3 3410 }
b309b8ae
JH
3411
3412 if (do_quote)
3413 *ptr++ = '"';
3414
18a945d4 3415 strcpy(ptr, arg);
b309b8ae
JH
3416 ptr += curlen;
3417
3418 if (do_quote)
3419 *ptr++ = '"';
3420
3421 if (args[index+1])
3422 *ptr++ = ' ';
3423
81bc1258
JH
3424 if (!extra_quotes
3425 && cmd_shell
11998fdb
GS
3426 && curlen >= 2
3427 && *arg == '/' /* see if arg is "/c", "/x/c", "/x/d/c" etc. */
3428 && stricmp(arg+curlen-2, "/c") == 0)
b309b8ae 3429 {
dd7038b3
JH
3430 /* is there a next argument? */
3431 if (args[index+1]) {
3432 /* are there two or more next arguments? */
3433 if (args[index+2]) {
3434 *ptr++ = '"';
3435 extra_quotes = TRUE;
3436 }
3437 else {
02ef22d5 3438 /* single argument, force quoting if it has spaces */
dd7038b3
JH
3439 quote_next = TRUE;
3440 }
3441 }
b309b8ae 3442 }
0aaad0ff
GS
3443 }
3444
b309b8ae
JH
3445 if (extra_quotes)
3446 *ptr++ = '"';
3447
3448 *ptr = '\0';
3449
0aaad0ff
GS
3450 return cmd;
3451}
3452
3453static char *
3454qualified_path(const char *cmd)
3455{
acfe0abc 3456 dTHX;
0aaad0ff
GS
3457 char *pathstr;
3458 char *fullcmd, *curfullcmd;
3459 STRLEN cmdlen = 0;
3460 int has_slash = 0;
3461
3462 if (!cmd)
4e205ed6 3463 return NULL;
0aaad0ff
GS
3464 fullcmd = (char*)cmd;
3465 while (*fullcmd) {
3466 if (*fullcmd == '/' || *fullcmd == '\\')
3467 has_slash++;
3468 fullcmd++;
3469 cmdlen++;
3470 }
3471
3472 /* look in PATH */
2fb9ab56 3473 pathstr = PerlEnv_getenv("PATH");
1928965c
JD
3474
3475 /* worst case: PATH is a single directory; we need additional space
3476 * to append "/", ".exe" and trailing "\0" */
a02a5408 3477 Newx(fullcmd, (pathstr ? strlen(pathstr) : 0) + cmdlen + 6, char);
0aaad0ff
GS
3478 curfullcmd = fullcmd;
3479
3480 while (1) {
3481 DWORD res;
3482
3483 /* start by appending the name to the current prefix */
3484 strcpy(curfullcmd, cmd);
3485 curfullcmd += cmdlen;
3486
3487 /* if it doesn't end with '.', or has no extension, try adding
3488 * a trailing .exe first */
3489 if (cmd[cmdlen-1] != '.'
3490 && (cmdlen < 4 || cmd[cmdlen-4] != '.'))
3491 {
3492 strcpy(curfullcmd, ".exe");
3493 res = GetFileAttributes(fullcmd);
3494 if (res != 0xFFFFFFFF && !(res & FILE_ATTRIBUTE_DIRECTORY))
3495 return fullcmd;
3496 *curfullcmd = '\0';
3497 }
3498
3499 /* that failed, try the bare name */
3500 res = GetFileAttributes(fullcmd);
3501 if (res != 0xFFFFFFFF && !(res & FILE_ATTRIBUTE_DIRECTORY))
3502 return fullcmd;
3503
3504 /* quit if no other path exists, or if cmd already has path */
3505 if (!pathstr || !*pathstr || has_slash)
3506 break;
3507
3508 /* skip leading semis */
3509 while (*pathstr == ';')
3510 pathstr++;
3511
3512 /* build a new prefix from scratch */
3513 curfullcmd = fullcmd;
3514 while (*pathstr && *pathstr != ';') {
3515 if (*pathstr == '"') { /* foo;"baz;etc";bar */
3516 pathstr++; /* skip initial '"' */
3517 while (*pathstr && *pathstr != '"') {
1928965c 3518 *curfullcmd++ = *pathstr++;
0aaad0ff
GS
3519 }
3520 if (*pathstr)
3521 pathstr++; /* skip trailing '"' */
3522 }
3523 else {
1928965c 3524 *curfullcmd++ = *pathstr++;
0aaad0ff
GS
3525 }
3526 }
3527 if (*pathstr)
3528 pathstr++; /* skip trailing semi */
3529 if (curfullcmd > fullcmd /* append a dir separator */
3530 && curfullcmd[-1] != '/' && curfullcmd[-1] != '\\')
3531 {
3532 *curfullcmd++ = '\\';
3533 }
3534 }
eb160463 3535
0aaad0ff 3536 Safefree(fullcmd);
4e205ed6 3537 return NULL;
0aaad0ff
GS
3538}
3539
3075ddba
GS
3540/* The following are just place holders.
3541 * Some hosts may provide and environment that the OS is
3542 * not tracking, therefore, these host must provide that
3543 * environment and the current directory to CreateProcess
3544 */
3545
df3728a2
JH
3546DllExport void*
3547win32_get_childenv(void)
3075ddba
GS
3548{
3549 return NULL;
3550}
3551
df3728a2
JH
3552DllExport void
3553win32_free_childenv(void* d)
3075ddba
GS
3554{
3555}
3556
df3728a2
JH
3557DllExport void
3558win32_clearenv(void)
3559{
3560 char *envv = GetEnvironmentStrings();
3561 char *cur = envv;
3562 STRLEN len;
3563 while (*cur) {
3564 char *end = strchr(cur,'=');
3565 if (end && end != cur) {
3566 *end = '\0';
3567 SetEnvironmentVariable(cur, NULL);
3568 *end = '=';
3569 cur = end + strlen(end+1)+2;
3570 }
3571 else if ((len = strlen(cur)))
3572 cur += len+1;
3573 }
3574 FreeEnvironmentStrings(envv);
3575}
3576
3577DllExport char*
3578win32_get_childdir(void)
3075ddba 3579{
acfe0abc 3580 dTHX;
7766f137 3581 char* ptr;
8c56068e 3582 char szfilename[MAX_PATH+1];
7766f137 3583