Commit | Line | Data |
---|---|---|
a0d0e21e | 1 | /* doio.c |
a687059c | 2 | * |
1129b882 NC |
3 | * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, |
4 | * 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 by Larry Wall and others | |
a687059c | 5 | * |
6e21c824 LW |
6 | * You may distribute under the terms of either the GNU General Public |
7 | * License or the Artistic License, as specified in the README file. | |
a687059c | 8 | * |
a0d0e21e LW |
9 | */ |
10 | ||
11 | /* | |
4ac71550 TC |
12 | * Far below them they saw the white waters pour into a foaming bowl, and |
13 | * then swirl darkly about a deep oval basin in the rocks, until they found | |
14 | * their way out again through a narrow gate, and flowed away, fuming and | |
15 | * chattering, into calmer and more level reaches. | |
16 | * | |
17 | * [p.684 of _The Lord of the Rings_, IV/vi: "The Forbidden Pool"] | |
a687059c LW |
18 | */ |
19 | ||
166f8a29 DM |
20 | /* This file contains functions that do the actual I/O on behalf of ops. |
21 | * For example, pp_print() calls the do_print() function in this file for | |
22 | * each argument needing printing. | |
23 | */ | |
24 | ||
a687059c | 25 | #include "EXTERN.h" |
864dbfa3 | 26 | #define PERL_IN_DOIO_C |
a687059c LW |
27 | #include "perl.h" |
28 | ||
fe14fcc3 | 29 | #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM) |
aec308ec | 30 | #ifndef HAS_SEM |
c2ab57d4 | 31 | #include <sys/ipc.h> |
aec308ec | 32 | #endif |
fe14fcc3 | 33 | #ifdef HAS_MSG |
c2ab57d4 | 34 | #include <sys/msg.h> |
e5d73d77 | 35 | #endif |
fe14fcc3 | 36 | #ifdef HAS_SHM |
c2ab57d4 | 37 | #include <sys/shm.h> |
a0d0e21e | 38 | # ifndef HAS_SHMAT_PROTOTYPE |
20ce7b12 | 39 | extern Shmat_t shmat (int, char *, int); |
a0d0e21e | 40 | # endif |
c2ab57d4 | 41 | #endif |
e5d73d77 | 42 | #endif |
c2ab57d4 | 43 | |
663a0e37 | 44 | #ifdef I_UTIME |
3730b96e | 45 | # if defined(_MSC_VER) || defined(__MINGW32__) |
3fe9a6f1 | 46 | # include <sys/utime.h> |
47 | # else | |
48 | # include <utime.h> | |
49 | # endif | |
663a0e37 | 50 | #endif |
85aff577 | 51 | |
85aff577 CS |
52 | #ifdef O_EXCL |
53 | # define OPEN_EXCL O_EXCL | |
54 | #else | |
55 | # define OPEN_EXCL 0 | |
56 | #endif | |
a687059c | 57 | |
0c19750d SP |
58 | #define PERL_MODE_MAX 8 |
59 | #define PERL_FLAGS_MAX 10 | |
60 | ||
76121258 | 61 | #include <signal.h> |
76121258 | 62 | |
a2b41d5c NC |
63 | static IO * |
64 | S_openn_setup(pTHX_ GV *gv, char *mode, PerlIO **saveifp, PerlIO **saveofp, | |
65 | int *savefd, char *savetype) | |
a567e93b | 66 | { |
eb578fdb | 67 | IO * const io = GvIOn(gv); |
a687059c | 68 | |
a2b41d5c NC |
69 | PERL_ARGS_ASSERT_OPENN_SETUP; |
70 | ||
71 | *saveifp = NULL; | |
72 | *saveofp = NULL; | |
73 | *savefd = -1; | |
74 | *savetype = IoTYPE_CLOSED; | |
7918f24d | 75 | |
b931b1d9 | 76 | Zero(mode,sizeof(mode),char); |
3280af22 | 77 | PL_forkprocess = 1; /* assume true if no fork */ |
c07a80fd | 78 | |
b931b1d9 | 79 | /* If currently open - close before we re-open */ |
a0d0e21e | 80 | if (IoIFP(io)) { |
ee518936 NIS |
81 | if (IoTYPE(io) == IoTYPE_STD) { |
82 | /* This is a clone of one of STD* handles */ | |
ee518936 | 83 | } |
26297fe9 NC |
84 | else { |
85 | const int old_fd = PerlIO_fileno(IoIFP(io)); | |
86 | ||
87 | if (old_fd >= 0 && old_fd <= PL_maxsysfd) { | |
88 | /* This is one of the original STD* handles */ | |
a2b41d5c NC |
89 | *saveifp = IoIFP(io); |
90 | *saveofp = IoOFP(io); | |
91 | *savetype = IoTYPE(io); | |
92 | *savefd = old_fd; | |
26297fe9 NC |
93 | } |
94 | else { | |
95 | int result; | |
96 | ||
97 | if (IoTYPE(io) == IoTYPE_PIPE) | |
98 | result = PerlProc_pclose(IoIFP(io)); | |
99 | else if (IoIFP(io) != IoOFP(io)) { | |
100 | if (IoOFP(io)) { | |
101 | result = PerlIO_close(IoOFP(io)); | |
102 | PerlIO_close(IoIFP(io)); /* clear stdio, fd already closed */ | |
103 | } | |
104 | else | |
105 | result = PerlIO_close(IoIFP(io)); | |
106 | } | |
107 | else | |
108 | result = PerlIO_close(IoIFP(io)); | |
109 | ||
110 | if (result == EOF && old_fd > PL_maxsysfd) { | |
111 | /* Why is this not Perl_warn*() call ? */ | |
112 | PerlIO_printf(Perl_error_log, | |
147e3846 KW |
113 | "Warning: unable to close filehandle %" HEKf |
114 | " properly.\n", | |
26297fe9 NC |
115 | HEKfARG(GvENAME_HEK(gv)) |
116 | ); | |
117 | } | |
118 | } | |
119 | } | |
4608196e | 120 | IoOFP(io) = IoIFP(io) = NULL; |
a687059c | 121 | } |
a2b41d5c NC |
122 | return io; |
123 | } | |
124 | ||
125 | bool | |
126 | Perl_do_openn(pTHX_ GV *gv, const char *oname, I32 len, int as_raw, | |
127 | int rawmode, int rawperm, PerlIO *supplied_fp, SV **svp, | |
128 | I32 num_svs) | |
129 | { | |
4b451737 NC |
130 | PERL_ARGS_ASSERT_DO_OPENN; |
131 | ||
132 | if (as_raw) { | |
133 | /* sysopen style args, i.e. integer mode and permissions */ | |
134 | ||
135 | if (num_svs != 0) { | |
136 | Perl_croak(aTHX_ "panic: sysopen with multiple args, num_svs=%ld", | |
137 | (long) num_svs); | |
138 | } | |
139 | return do_open_raw(gv, oname, len, rawmode, rawperm); | |
140 | } | |
141 | return do_open6(gv, oname, len, supplied_fp, svp, num_svs); | |
142 | } | |
143 | ||
144 | bool | |
145 | Perl_do_open_raw(pTHX_ GV *gv, const char *oname, STRLEN len, | |
146 | int rawmode, int rawperm) | |
147 | { | |
a2b41d5c NC |
148 | PerlIO *saveifp; |
149 | PerlIO *saveofp; | |
150 | int savefd; | |
151 | char savetype; | |
152 | char mode[PERL_MODE_MAX]; /* file mode ("r\0", "rb\0", "ab\0" etc.) */ | |
153 | IO * const io = openn_setup(gv, mode, &saveifp, &saveofp, &savefd, &savetype); | |
154 | int writing = 0; | |
155 | PerlIO *fp; | |
a2b41d5c | 156 | |
4b451737 | 157 | PERL_ARGS_ASSERT_DO_OPEN_RAW; |
c07a80fd | 158 | |
4b451737 NC |
159 | /* For ease of blame back to 5.000, keep the existing indenting. */ |
160 | { | |
b931b1d9 | 161 | /* sysopen style args, i.e. integer mode and permissions */ |
ee518936 | 162 | STRLEN ix = 0; |
e1ec3a88 | 163 | const int appendtrunc = |
3dccc55c | 164 | 0 |
d1da7611 | 165 | #ifdef O_APPEND /* Not fully portable. */ |
3dccc55c | 166 | |O_APPEND |
d1da7611 JH |
167 | #endif |
168 | #ifdef O_TRUNC /* Not fully portable. */ | |
3dccc55c | 169 | |O_TRUNC |
d1da7611 | 170 | #endif |
3dccc55c | 171 | ; |
6867be6d | 172 | const int modifyingmode = O_WRONLY|O_RDWR|O_CREAT|appendtrunc; |
3dccc55c | 173 | int ismodifying; |
9229bf8d | 174 | SV *namesv; |
3dccc55c | 175 | |
3dccc55c JH |
176 | /* It's not always |
177 | ||
178 | O_RDONLY 0 | |
179 | O_WRONLY 1 | |
180 | O_RDWR 2 | |
181 | ||
182 | It might be (in OS/390 and Mac OS Classic it is) | |
183 | ||
184 | O_WRONLY 1 | |
185 | O_RDONLY 2 | |
186 | O_RDWR 3 | |
187 | ||
188 | This means that simple & with O_RDWR would look | |
189 | like O_RDONLY is present. Therefore we have to | |
190 | be more careful. | |
191 | */ | |
192 | if ((ismodifying = (rawmode & modifyingmode))) { | |
193 | if ((ismodifying & O_WRONLY) == O_WRONLY || | |
194 | (ismodifying & O_RDWR) == O_RDWR || | |
195 | (ismodifying & (O_CREAT|appendtrunc))) | |
196 | TAINT_PROPER("sysopen"); | |
197 | } | |
3b6c1aba | 198 | mode[ix++] = IoTYPE_NUMERIC; /* Marker to openn to use numeric "sysopen" */ |
b931b1d9 | 199 | |
09458382 | 200 | #if defined(USE_64_BIT_RAWIO) && defined(O_LARGEFILE) |
b94c04ac | 201 | rawmode |= O_LARGEFILE; /* Transparently largefiley. */ |
5ff3f7a4 GS |
202 | #endif |
203 | ||
06c7082d | 204 | IoTYPE(io) = PerlIO_intmode2str(rawmode, &mode[ix], &writing); |
ee518936 | 205 | |
59cd0e26 | 206 | namesv = newSVpvn_flags(oname, len, SVs_TEMP); |
4b451737 | 207 | fp = PerlIO_openn(aTHX_ NULL, mode, -1, rawmode, rawperm, NULL, 1, &namesv); |
a687059c | 208 | } |
4b451737 NC |
209 | return openn_cleanup(gv, io, fp, mode, oname, saveifp, saveofp, savefd, |
210 | savetype, writing, 0, NULL); | |
211 | } | |
212 | ||
213 | bool | |
214 | Perl_do_open6(pTHX_ GV *gv, const char *oname, STRLEN len, | |
215 | PerlIO *supplied_fp, SV **svp, U32 num_svs) | |
216 | { | |
4b451737 NC |
217 | PerlIO *saveifp; |
218 | PerlIO *saveofp; | |
219 | int savefd; | |
220 | char savetype; | |
221 | char mode[PERL_MODE_MAX]; /* file mode ("r\0", "rb\0", "ab\0" etc.) */ | |
222 | IO * const io = openn_setup(gv, mode, &saveifp, &saveofp, &savefd, &savetype); | |
223 | int writing = 0; | |
224 | PerlIO *fp; | |
225 | bool was_fdopen = FALSE; | |
226 | char *type = NULL; | |
227 | ||
228 | PERL_ARGS_ASSERT_DO_OPEN6; | |
229 | ||
230 | /* For ease of blame back to 5.000, keep the existing indenting. */ | |
231 | { | |
b931b1d9 | 232 | /* Regular (non-sys) open */ |
2fbb330f | 233 | char *name; |
faecd977 | 234 | STRLEN olen = len; |
b931b1d9 NIS |
235 | char *tend; |
236 | int dodup = 0; | |
c564b489 NC |
237 | bool in_raw = 0, in_crlf = 0, out_raw = 0, out_crlf = 0; |
238 | ||
239 | /* Collect default raw/crlf info from the op */ | |
240 | if (PL_op && PL_op->op_type == OP_OPEN) { | |
241 | /* set up IO layers */ | |
242 | const U8 flags = PL_op->op_private; | |
243 | in_raw = (flags & OPpOPEN_IN_RAW); | |
244 | in_crlf = (flags & OPpOPEN_IN_CRLF); | |
245 | out_raw = (flags & OPpOPEN_OUT_RAW); | |
246 | out_crlf = (flags & OPpOPEN_OUT_CRLF); | |
247 | } | |
c07a80fd | 248 | |
2fbb330f | 249 | type = savepvn(oname, len); |
b931b1d9 | 250 | tend = type+len; |
faecd977 | 251 | SAVEFREEPV(type); |
eb649f83 AMS |
252 | |
253 | /* Lose leading and trailing white space */ | |
294b3b39 AL |
254 | while (isSPACE(*type)) |
255 | type++; | |
eb649f83 AMS |
256 | while (tend > type && isSPACE(tend[-1])) |
257 | *--tend = '\0'; | |
258 | ||
6170680b | 259 | if (num_svs) { |
41188aa0 TC |
260 | const char *p; |
261 | STRLEN nlen = 0; | |
c2be40b1 | 262 | /* New style explicit name, type is just mode and layer info */ |
9a869a14 | 263 | #ifdef USE_STDIO |
2fbb330f | 264 | if (SvROK(*svp) && !strchr(oname,'&')) { |
9a869a14 RGS |
265 | if (ckWARN(WARN_IO)) |
266 | Perl_warner(aTHX_ packWARN(WARN_IO), | |
267 | "Can't open a reference"); | |
93189314 | 268 | SETERRNO(EINVAL, LIB_INVARG); |
a6fc70e5 | 269 | fp = NULL; |
9a869a14 RGS |
270 | goto say_false; |
271 | } | |
272 | #endif /* USE_STDIO */ | |
41188aa0 TC |
273 | p = (SvOK(*svp) || SvGMAGICAL(*svp)) ? SvPV(*svp, nlen) : NULL; |
274 | ||
a6fc70e5 NC |
275 | if (p && !IS_SAFE_PATHNAME(p, nlen, "open")) { |
276 | fp = NULL; | |
c8028aa6 | 277 | goto say_false; |
a6fc70e5 | 278 | } |
c8028aa6 | 279 | |
41188aa0 TC |
280 | name = p ? savepvn(p, nlen) : savepvs(""); |
281 | ||
faecd977 | 282 | SAVEFREEPV(name); |
6170680b | 283 | } |
faecd977 | 284 | else { |
faecd977 | 285 | name = type; |
b931b1d9 | 286 | len = tend-type; |
faecd977 | 287 | } |
6170680b | 288 | IoTYPE(io) = *type; |
516a5887 | 289 | if ((*type == IoTYPE_RDWR) && /* scary */ |
01a8ea99 | 290 | (*(type+1) == IoTYPE_RDONLY || *(type+1) == IoTYPE_WRONLY) && |
516a5887 | 291 | ((!num_svs || (tend > type+1 && tend[-1] != IoTYPE_PIPE)))) { |
c2be40b1 | 292 | TAINT_PROPER("open"); |
6170680b | 293 | mode[1] = *type++; |
c07a80fd | 294 | writing = 1; |
a687059c | 295 | } |
c07a80fd | 296 | |
9f37169a | 297 | if (*type == IoTYPE_PIPE) { |
b931b1d9 NIS |
298 | if (num_svs) { |
299 | if (type[1] != IoTYPE_STD) { | |
c2be40b1 | 300 | unknown_open_mode: |
b931b1d9 NIS |
301 | Perl_croak(aTHX_ "Unknown open() mode '%.*s'", (int)olen, oname); |
302 | } | |
303 | type++; | |
6170680b | 304 | } |
294b3b39 AL |
305 | do { |
306 | type++; | |
307 | } while (isSPACE(*type)); | |
faecd977 | 308 | if (!num_svs) { |
6170680b | 309 | name = type; |
b931b1d9 | 310 | len = tend-type; |
faecd977 | 311 | } |
4a7d1889 NIS |
312 | if (*name == '\0') { |
313 | /* command is missing 19990114 */ | |
06eaf0bc | 314 | if (ckWARN(WARN_PIPE)) |
9014280d | 315 | Perl_warner(aTHX_ packWARN(WARN_PIPE), "Missing command in piped open"); |
06eaf0bc | 316 | errno = EPIPE; |
a6fc70e5 | 317 | fp = NULL; |
06eaf0bc GS |
318 | goto say_false; |
319 | } | |
f27977c3 | 320 | if (!(*name == '-' && name[1] == '\0') || num_svs) |
c07a80fd | 321 | TAINT_ENV(); |
322 | TAINT_PROPER("piped open"); | |
b931b1d9 | 323 | if (!num_svs && name[len-1] == '|') { |
faecd977 | 324 | name[--len] = '\0' ; |
599cee73 | 325 | if (ckWARN(WARN_PIPE)) |
9014280d | 326 | Perl_warner(aTHX_ packWARN(WARN_PIPE), "Can't open bidirectional pipe"); |
7b8d334a | 327 | } |
a1d180c4 | 328 | mode[0] = 'w'; |
c07a80fd | 329 | writing = 1; |
0c19750d | 330 | if (out_raw) |
5686ee58 | 331 | mode[1] = 'b'; |
0c19750d | 332 | else if (out_crlf) |
5686ee58 | 333 | mode[1] = 't'; |
4a7d1889 NIS |
334 | if (num_svs > 1) { |
335 | fp = PerlProc_popen_list(mode, num_svs, svp); | |
336 | } | |
337 | else { | |
338 | fp = PerlProc_popen(name,mode); | |
339 | } | |
1771866f NIS |
340 | if (num_svs) { |
341 | if (*type) { | |
342 | if (PerlIO_apply_layers(aTHX_ fp, mode, type) != 0) { | |
a6fc70e5 | 343 | fp = NULL; |
1771866f NIS |
344 | goto say_false; |
345 | } | |
346 | } | |
347 | } | |
c2be40b1 | 348 | } /* IoTYPE_PIPE */ |
9f37169a | 349 | else if (*type == IoTYPE_WRONLY) { |
c07a80fd | 350 | TAINT_PROPER("open"); |
6170680b | 351 | type++; |
9f37169a JH |
352 | if (*type == IoTYPE_WRONLY) { |
353 | /* Two IoTYPE_WRONLYs in a row make for an IoTYPE_APPEND. */ | |
50952442 | 354 | mode[0] = IoTYPE(io) = IoTYPE_APPEND; |
6170680b | 355 | type++; |
a0d0e21e | 356 | } |
ee518936 | 357 | else { |
c07a80fd | 358 | mode[0] = 'w'; |
ee518936 | 359 | } |
c07a80fd | 360 | writing = 1; |
361 | ||
0c19750d | 362 | if (out_raw) |
5686ee58 | 363 | mode[1] = 'b'; |
0c19750d | 364 | else if (out_crlf) |
5686ee58 | 365 | mode[1] = 't'; |
6170680b | 366 | if (*type == '&') { |
c07a80fd | 367 | duplicity: |
ecdeb87c | 368 | dodup = PERLIO_DUP_FD; |
e620cd72 NIS |
369 | type++; |
370 | if (*type == '=') { | |
c07a80fd | 371 | dodup = 0; |
e620cd72 | 372 | type++; |
4a7d1889 | 373 | } |
ee518936 | 374 | if (!num_svs && !*type && supplied_fp) { |
4a7d1889 | 375 | /* "<+&" etc. is used by typemaps */ |
c07a80fd | 376 | fp = supplied_fp; |
ee518936 | 377 | } |
a0d0e21e | 378 | else { |
35da51f7 | 379 | PerlIO *that_fp = NULL; |
b4464d55 | 380 | int wanted_fd; |
22ff3130 | 381 | UV uv; |
e620cd72 | 382 | if (num_svs > 1) { |
fe13d51d | 383 | /* diag_listed_as: More than one argument to '%s' open */ |
e620cd72 NIS |
384 | Perl_croak(aTHX_ "More than one argument to '%c&' open",IoTYPE(io)); |
385 | } | |
294b3b39 AL |
386 | while (isSPACE(*type)) |
387 | type++; | |
f90b7232 FC |
388 | if (num_svs && ( |
389 | SvIOK(*svp) | |
390 | || (SvPOKp(*svp) && looks_like_number(*svp)) | |
391 | )) { | |
b4464d55 | 392 | wanted_fd = SvUV(*svp); |
24a7a40d | 393 | num_svs = 0; |
ee518936 | 394 | } |
22ff3130 HS |
395 | else if (isDIGIT(*type) |
396 | && grok_atoUV(type, &uv, NULL) | |
397 | && uv <= INT_MAX | |
398 | ) { | |
399 | wanted_fd = (int)uv; | |
e620cd72 | 400 | } |
c07a80fd | 401 | else { |
e1ec3a88 | 402 | const IO* thatio; |
e620cd72 NIS |
403 | if (num_svs) { |
404 | thatio = sv_2io(*svp); | |
405 | } | |
406 | else { | |
35da51f7 | 407 | GV * const thatgv = gv_fetchpvn_flags(type, tend - type, |
90e5519e | 408 | 0, SVt_PVIO); |
e620cd72 NIS |
409 | thatio = GvIO(thatgv); |
410 | } | |
c07a80fd | 411 | if (!thatio) { |
6e21c824 | 412 | #ifdef EINVAL |
93189314 | 413 | SETERRNO(EINVAL,SS_IVCHAN); |
6e21c824 | 414 | #endif |
a6fc70e5 | 415 | fp = NULL; |
c07a80fd | 416 | goto say_false; |
417 | } | |
f4e789af | 418 | if ((that_fp = IoIFP(thatio))) { |
7211d486 JH |
419 | /* Flush stdio buffer before dup. --mjd |
420 | * Unfortunately SEEK_CURing 0 seems to | |
421 | * be optimized away on most platforms; | |
422 | * only Solaris and Linux seem to flush | |
423 | * on that. --jhi */ | |
7211d486 JH |
424 | /* On the other hand, do all platforms |
425 | * take gracefully to flushing a read-only | |
426 | * filehandle? Perhaps we should do | |
427 | * fsetpos(src)+fgetpos(dst)? --nik */ | |
ecdeb87c | 428 | PerlIO_flush(that_fp); |
b4464d55 | 429 | wanted_fd = PerlIO_fileno(that_fp); |
0759c907 JH |
430 | /* When dup()ing STDIN, STDOUT or STDERR |
431 | * explicitly set appropriate access mode */ | |
f4e789af NC |
432 | if (that_fp == PerlIO_stdout() |
433 | || that_fp == PerlIO_stderr()) | |
0759c907 | 434 | IoTYPE(io) = IoTYPE_WRONLY; |
f4e789af | 435 | else if (that_fp == PerlIO_stdin()) |
0759c907 JH |
436 | IoTYPE(io) = IoTYPE_RDONLY; |
437 | /* When dup()ing a socket, say result is | |
438 | * one as well */ | |
439 | else if (IoTYPE(thatio) == IoTYPE_SOCKET) | |
50952442 | 440 | IoTYPE(io) = IoTYPE_SOCKET; |
c07a80fd | 441 | } |
0c9375a5 TC |
442 | else { |
443 | SETERRNO(EBADF, RMS_IFI); | |
444 | fp = NULL; | |
445 | goto say_false; | |
446 | } | |
a0d0e21e | 447 | } |
ee518936 | 448 | if (!num_svs) |
bd61b366 | 449 | type = NULL; |
ecdeb87c NIS |
450 | if (that_fp) { |
451 | fp = PerlIO_fdupopen(aTHX_ that_fp, NULL, dodup); | |
452 | } | |
453 | else { | |
c07a80fd | 454 | if (dodup) |
b4464d55 | 455 | wanted_fd = PerlLIO_dup(wanted_fd); |
ecdeb87c NIS |
456 | else |
457 | was_fdopen = TRUE; | |
b4464d55 NC |
458 | if (!(fp = PerlIO_openn(aTHX_ type,mode,wanted_fd,0,0,NULL,num_svs,svp))) { |
459 | if (dodup && wanted_fd >= 0) | |
460 | PerlLIO_close(wanted_fd); | |
ecdeb87c | 461 | } |
faecd977 | 462 | } |
c07a80fd | 463 | } |
ee518936 | 464 | } /* & */ |
c07a80fd | 465 | else { |
294b3b39 AL |
466 | while (isSPACE(*type)) |
467 | type++; | |
b931b1d9 | 468 | if (*type == IoTYPE_STD && (!type[1] || isSPACE(type[1]) || type[1] == ':')) { |
b931b1d9 | 469 | type++; |
760ac839 | 470 | fp = PerlIO_stdout(); |
50952442 | 471 | IoTYPE(io) = IoTYPE_STD; |
7cf31beb | 472 | if (num_svs > 1) { |
fe13d51d | 473 | /* diag_listed_as: More than one argument to '%s' open */ |
7cf31beb NIS |
474 | Perl_croak(aTHX_ "More than one argument to '>%c' open",IoTYPE_STD); |
475 | } | |
c07a80fd | 476 | } |
477 | else { | |
9229bf8d NC |
478 | if (num_svs) { |
479 | fp = PerlIO_openn(aTHX_ type,mode,-1,0,0,NULL,num_svs,svp); | |
480 | } | |
481 | else { | |
482 | SV *namesv = newSVpvn_flags(type, tend - type, SVs_TEMP); | |
bd61b366 | 483 | type = NULL; |
9229bf8d | 484 | fp = PerlIO_openn(aTHX_ type,mode,-1,0,0,NULL,1,&namesv); |
ee518936 | 485 | } |
c07a80fd | 486 | } |
ee518936 | 487 | } /* !& */ |
7e72d509 JH |
488 | if (!fp && type && *type && *type != ':' && !isIDFIRST(*type)) |
489 | goto unknown_open_mode; | |
c2be40b1 | 490 | } /* IoTYPE_WRONLY */ |
9f37169a | 491 | else if (*type == IoTYPE_RDONLY) { |
294b3b39 AL |
492 | do { |
493 | type++; | |
494 | } while (isSPACE(*type)); | |
bf38876a | 495 | mode[0] = 'r'; |
0c19750d | 496 | if (in_raw) |
5686ee58 | 497 | mode[1] = 'b'; |
0c19750d | 498 | else if (in_crlf) |
5686ee58 | 499 | mode[1] = 't'; |
6170680b | 500 | if (*type == '&') { |
bf38876a | 501 | goto duplicity; |
6170680b | 502 | } |
b931b1d9 | 503 | if (*type == IoTYPE_STD && (!type[1] || isSPACE(type[1]) || type[1] == ':')) { |
b931b1d9 | 504 | type++; |
760ac839 | 505 | fp = PerlIO_stdin(); |
50952442 | 506 | IoTYPE(io) = IoTYPE_STD; |
7cf31beb | 507 | if (num_svs > 1) { |
fe13d51d | 508 | /* diag_listed_as: More than one argument to '%s' open */ |
7cf31beb NIS |
509 | Perl_croak(aTHX_ "More than one argument to '<%c' open",IoTYPE_STD); |
510 | } | |
a687059c | 511 | } |
ee518936 | 512 | else { |
9229bf8d NC |
513 | if (num_svs) { |
514 | fp = PerlIO_openn(aTHX_ type,mode,-1,0,0,NULL,num_svs,svp); | |
515 | } | |
516 | else { | |
517 | SV *namesv = newSVpvn_flags(type, tend - type, SVs_TEMP); | |
bd61b366 | 518 | type = NULL; |
9229bf8d | 519 | fp = PerlIO_openn(aTHX_ type,mode,-1,0,0,NULL,1,&namesv); |
ee518936 | 520 | } |
ee518936 | 521 | } |
7e72d509 JH |
522 | if (!fp && type && *type && *type != ':' && !isIDFIRST(*type)) |
523 | goto unknown_open_mode; | |
c2be40b1 JH |
524 | } /* IoTYPE_RDONLY */ |
525 | else if ((num_svs && /* '-|...' or '...|' */ | |
526 | type[0] == IoTYPE_STD && type[1] == IoTYPE_PIPE) || | |
b931b1d9 | 527 | (!num_svs && tend > type+1 && tend[-1] == IoTYPE_PIPE)) { |
6170680b | 528 | if (num_svs) { |
b931b1d9 | 529 | type += 2; /* skip over '-|' */ |
6170680b IZ |
530 | } |
531 | else { | |
b931b1d9 NIS |
532 | *--tend = '\0'; |
533 | while (tend > type && isSPACE(tend[-1])) | |
534 | *--tend = '\0'; | |
a6e20a40 AL |
535 | for (; isSPACE(*type); type++) |
536 | ; | |
6170680b | 537 | name = type; |
b931b1d9 | 538 | len = tend-type; |
6170680b | 539 | } |
4a7d1889 NIS |
540 | if (*name == '\0') { |
541 | /* command is missing 19990114 */ | |
06eaf0bc | 542 | if (ckWARN(WARN_PIPE)) |
9014280d | 543 | Perl_warner(aTHX_ packWARN(WARN_PIPE), "Missing command in piped open"); |
06eaf0bc | 544 | errno = EPIPE; |
a6fc70e5 | 545 | fp = NULL; |
06eaf0bc GS |
546 | goto say_false; |
547 | } | |
770526c1 | 548 | if (!(*name == '-' && name[1] == '\0') || num_svs) |
79072805 LW |
549 | TAINT_ENV(); |
550 | TAINT_PROPER("piped open"); | |
a1d180c4 | 551 | mode[0] = 'r'; |
0c19750d | 552 | |
0c19750d | 553 | if (in_raw) |
5686ee58 | 554 | mode[1] = 'b'; |
0c19750d | 555 | else if (in_crlf) |
5686ee58 | 556 | mode[1] = 't'; |
0c19750d | 557 | |
4a7d1889 NIS |
558 | if (num_svs > 1) { |
559 | fp = PerlProc_popen_list(mode,num_svs,svp); | |
560 | } | |
e620cd72 | 561 | else { |
4a7d1889 NIS |
562 | fp = PerlProc_popen(name,mode); |
563 | } | |
50952442 | 564 | IoTYPE(io) = IoTYPE_PIPE; |
1771866f | 565 | if (num_svs) { |
294b3b39 AL |
566 | while (isSPACE(*type)) |
567 | type++; | |
1771866f NIS |
568 | if (*type) { |
569 | if (PerlIO_apply_layers(aTHX_ fp, mode, type) != 0) { | |
a6fc70e5 | 570 | fp = NULL; |
1771866f NIS |
571 | goto say_false; |
572 | } | |
573 | } | |
574 | } | |
a687059c | 575 | } |
c2be40b1 | 576 | else { /* layer(Args) */ |
6170680b | 577 | if (num_svs) |
c2be40b1 | 578 | goto unknown_open_mode; |
6170680b | 579 | name = type; |
50952442 | 580 | IoTYPE(io) = IoTYPE_RDONLY; |
a6e20a40 AL |
581 | for (; isSPACE(*name); name++) |
582 | ; | |
88b61e10 | 583 | mode[0] = 'r'; |
0c19750d | 584 | |
0c19750d | 585 | if (in_raw) |
5686ee58 | 586 | mode[1] = 'b'; |
0c19750d | 587 | else if (in_crlf) |
5686ee58 | 588 | mode[1] = 't'; |
0c19750d | 589 | |
770526c1 | 590 | if (*name == '-' && name[1] == '\0') { |
760ac839 | 591 | fp = PerlIO_stdin(); |
50952442 | 592 | IoTYPE(io) = IoTYPE_STD; |
a687059c | 593 | } |
16fe6d59 | 594 | else { |
9229bf8d NC |
595 | if (num_svs) { |
596 | fp = PerlIO_openn(aTHX_ type,mode,-1,0,0,NULL,num_svs,svp); | |
597 | } | |
598 | else { | |
599 | SV *namesv = newSVpvn_flags(type, tend - type, SVs_TEMP); | |
bd61b366 | 600 | type = NULL; |
9229bf8d | 601 | fp = PerlIO_openn(aTHX_ type,mode,-1,0,0,NULL,1,&namesv); |
ee518936 | 602 | } |
16fe6d59 | 603 | } |
a687059c LW |
604 | } |
605 | } | |
a6fc70e5 NC |
606 | |
607 | say_false: | |
608 | return openn_cleanup(gv, io, fp, mode, oname, saveifp, saveofp, savefd, | |
609 | savetype, writing, was_fdopen, type); | |
610 | } | |
611 | ||
612 | /* Yes, this is ugly, but it's private, and I don't see a cleaner way to | |
613 | simplify the two-headed public interface of do_openn. */ | |
614 | static bool | |
615 | S_openn_cleanup(pTHX_ GV *gv, IO *io, PerlIO *fp, char *mode, const char *oname, | |
616 | PerlIO *saveifp, PerlIO *saveofp, int savefd, char savetype, | |
617 | int writing, bool was_fdopen, const char *type) | |
618 | { | |
619 | int fd; | |
620 | ||
621 | PERL_ARGS_ASSERT_OPENN_CLEANUP; | |
622 | ||
bee1dbe2 | 623 | if (!fp) { |
ce44635a | 624 | if (IoTYPE(io) == IoTYPE_RDONLY && ckWARN(WARN_NEWLINE) |
7cb3f959 | 625 | && should_warn_nl(oname) |
ce44635a | 626 | |
041457d9 | 627 | ) |
5d37acd6 DM |
628 | { |
629 | GCC_DIAG_IGNORE(-Wformat-nonliteral); /* PL_warn_nl is constant */ | |
9014280d | 630 | Perl_warner(aTHX_ packWARN(WARN_NEWLINE), PL_warn_nl, "open"); |
5d37acd6 DM |
631 | GCC_DIAG_RESTORE; |
632 | } | |
6e21c824 | 633 | goto say_false; |
bee1dbe2 | 634 | } |
a00b5bd3 NIS |
635 | |
636 | if (ckWARN(WARN_IO)) { | |
637 | if ((IoTYPE(io) == IoTYPE_RDONLY) && | |
638 | (fp == PerlIO_stdout() || fp == PerlIO_stderr())) { | |
9014280d | 639 | Perl_warner(aTHX_ packWARN(WARN_IO), |
147e3846 | 640 | "Filehandle STD%s reopened as %" HEKf |
d0c0e7dd | 641 | " only for input", |
97828cef | 642 | ((fp == PerlIO_stdout()) ? "OUT" : "ERR"), |
d0c0e7dd | 643 | HEKfARG(GvENAME_HEK(gv))); |
a00b5bd3 | 644 | } |
ee518936 | 645 | else if ((IoTYPE(io) == IoTYPE_WRONLY) && fp == PerlIO_stdin()) { |
9014280d | 646 | Perl_warner(aTHX_ packWARN(WARN_IO), |
147e3846 | 647 | "Filehandle STDIN reopened as %" HEKf " only for output", |
d0c0e7dd FC |
648 | HEKfARG(GvENAME_HEK(gv)) |
649 | ); | |
a00b5bd3 NIS |
650 | } |
651 | } | |
652 | ||
e99cca91 | 653 | fd = PerlIO_fileno(fp); |
375ed12a JH |
654 | /* Do NOT do: "if (fd < 0) goto say_false;" here. If there is no |
655 | * fd assume it isn't a socket - this covers PerlIO::scalar - | |
656 | * otherwise unless we "know" the type probe for socket-ness. | |
e99cca91 NIS |
657 | */ |
658 | if (IoTYPE(io) && IoTYPE(io) != IoTYPE_PIPE && IoTYPE(io) != IoTYPE_STD && fd >= 0) { | |
659 | if (PerlLIO_fstat(fd,&PL_statbuf) < 0) { | |
660 | /* If PerlIO claims to have fd we had better be able to fstat() it. */ | |
661 | (void) PerlIO_close(fp); | |
6e21c824 | 662 | goto say_false; |
a687059c | 663 | } |
7114a2d2 | 664 | #ifndef PERL_MICRO |
3280af22 | 665 | if (S_ISSOCK(PL_statbuf.st_mode)) |
50952442 | 666 | IoTYPE(io) = IoTYPE_SOCKET; /* in case a socket was passed in to us */ |
99b89507 LW |
667 | #ifdef HAS_SOCKET |
668 | else if ( | |
3280af22 | 669 | !(PL_statbuf.st_mode & S_IFMT) |
0759c907 JH |
670 | && IoTYPE(io) != IoTYPE_WRONLY /* Dups of STD* filehandles already have */ |
671 | && IoTYPE(io) != IoTYPE_RDONLY /* type so they aren't marked as sockets */ | |
672 | ) { /* on OS's that return 0 on fstat()ed pipe */ | |
e99cca91 NIS |
673 | char tmpbuf[256]; |
674 | Sock_size_t buflen = sizeof tmpbuf; | |
675 | if (PerlSock_getsockname(fd, (struct sockaddr *)tmpbuf, &buflen) >= 0 | |
676 | || errno != ENOTSOCK) | |
677 | IoTYPE(io) = IoTYPE_SOCKET; /* some OS's return 0 on fstat()ed socket */ | |
678 | /* but some return 0 for streams too, sigh */ | |
99b89507 | 679 | } |
e99cca91 | 680 | #endif /* HAS_SOCKET */ |
7114a2d2 | 681 | #endif /* !PERL_MICRO */ |
a687059c | 682 | } |
e99cca91 NIS |
683 | |
684 | /* Eeek - FIXME !!! | |
685 | * If this is a standard handle we discard all the layer stuff | |
686 | * and just dup the fd into whatever was on the handle before ! | |
687 | */ | |
688 | ||
6e21c824 | 689 | if (saveifp) { /* must use old fp? */ |
f5b9d040 | 690 | /* If fd is less that PL_maxsysfd i.e. STDIN..STDERR |
24c23ab4 | 691 | then dup the new fileno down |
f5b9d040 | 692 | */ |
6e21c824 | 693 | if (saveofp) { |
f5b9d040 | 694 | PerlIO_flush(saveofp); /* emulate PerlIO_close() */ |
6e21c824 | 695 | if (saveofp != saveifp) { /* was a socket? */ |
760ac839 | 696 | PerlIO_close(saveofp); |
6e21c824 LW |
697 | } |
698 | } | |
6e60e805 | 699 | if (savefd != fd) { |
e934609f | 700 | /* Still a small can-of-worms here if (say) PerlIO::scalar |
ecdeb87c NIS |
701 | is assigned to (say) STDOUT - for now let dup2() fail |
702 | and provide the error | |
703 | */ | |
375ed12a JH |
704 | if (fd < 0) { |
705 | SETERRNO(EBADF,RMS_IFI); | |
706 | goto say_false; | |
707 | } else if (PerlLIO_dup2(fd, savefd) < 0) { | |
bd4a5668 NIS |
708 | (void)PerlIO_close(fp); |
709 | goto say_false; | |
710 | } | |
d082dcd6 | 711 | #ifdef VMS |
6e60e805 | 712 | if (savefd != PerlIO_fileno(PerlIO_stdin())) { |
d0e2cf63 AMS |
713 | char newname[FILENAME_MAX+1]; |
714 | if (PerlIO_getname(fp, newname)) { | |
715 | if (fd == PerlIO_fileno(PerlIO_stdout())) | |
0db50132 | 716 | vmssetuserlnm("SYS$OUTPUT", newname); |
d0e2cf63 | 717 | if (fd == PerlIO_fileno(PerlIO_stderr())) |
0db50132 | 718 | vmssetuserlnm("SYS$ERROR", newname); |
d0e2cf63 | 719 | } |
d082dcd6 JH |
720 | } |
721 | #endif | |
d0e2cf63 AMS |
722 | |
723 | #if !defined(WIN32) | |
724 | /* PL_fdpid isn't used on Windows, so avoid this useless work. | |
725 | * XXX Probably the same for a lot of other places. */ | |
726 | { | |
727 | Pid_t pid; | |
728 | SV *sv; | |
729 | ||
d0e2cf63 | 730 | sv = *av_fetch(PL_fdpid,fd,TRUE); |
862a34c6 | 731 | SvUPGRADE(sv, SVt_IV); |
d0e2cf63 | 732 | pid = SvIVX(sv); |
45977657 | 733 | SvIV_set(sv, 0); |
d0e2cf63 | 734 | sv = *av_fetch(PL_fdpid,savefd,TRUE); |
862a34c6 | 735 | SvUPGRADE(sv, SVt_IV); |
45977657 | 736 | SvIV_set(sv, pid); |
d0e2cf63 AMS |
737 | } |
738 | #endif | |
739 | ||
e212fc47 AMS |
740 | if (was_fdopen) { |
741 | /* need to close fp without closing underlying fd */ | |
742 | int ofd = PerlIO_fileno(fp); | |
375ed12a | 743 | int dupfd = ofd >= 0 ? PerlLIO_dup(ofd) : -1; |
03e631df | 744 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
5798d631 JH |
745 | /* Assume if we have F_SETFD we have F_GETFD. */ |
746 | /* Get a copy of all the fd flags. */ | |
747 | int fd_flags = ofd >= 0 ? fcntl(ofd, F_GETFD) : -1; | |
748 | if (fd_flags < 0) { | |
375ed12a JH |
749 | if (dupfd >= 0) |
750 | PerlLIO_close(dupfd); | |
751 | goto say_false; | |
752 | } | |
03e631df | 753 | #endif |
375ed12a JH |
754 | if (ofd < 0 || dupfd < 0) { |
755 | if (dupfd >= 0) | |
756 | PerlLIO_close(dupfd); | |
757 | goto say_false; | |
758 | } | |
e212fc47 | 759 | PerlIO_close(fp); |
375ed12a | 760 | PerlLIO_dup2(dupfd, ofd); |
03e631df | 761 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
5798d631 JH |
762 | /* The dup trick has lost close-on-exec on ofd, |
763 | * and possibly any other flags, so restore them. */ | |
57d92825 JH |
764 | if (fcntl(ofd,F_SETFD, fd_flags) < 0) { |
765 | if (dupfd >= 0) | |
766 | PerlLIO_close(dupfd); | |
767 | goto say_false; | |
768 | } | |
03e631df | 769 | #endif |
e212fc47 | 770 | PerlLIO_close(dupfd); |
ecdeb87c | 771 | } |
e212fc47 AMS |
772 | else |
773 | PerlIO_close(fp); | |
6e21c824 LW |
774 | } |
775 | fp = saveifp; | |
760ac839 | 776 | PerlIO_clearerr(fp); |
e99cca91 | 777 | fd = PerlIO_fileno(fp); |
6e21c824 | 778 | } |
194e5090 | 779 | #if defined(HAS_FCNTL) && defined(F_SETFD) && defined(FD_CLOEXEC) |
f6ec3cd3 | 780 | if (fd >= 0 && fd > PL_maxsysfd && fcntl(fd, F_SETFD, FD_CLOEXEC) < 0) { |
194e5090 JH |
781 | PerlLIO_close(fd); |
782 | goto say_false; | |
a8710ca1 | 783 | } |
1462b684 | 784 | #endif |
8990e307 | 785 | IoIFP(io) = fp; |
b931b1d9 | 786 | |
684bef36 | 787 | IoFLAGS(io) &= ~IOf_NOLINE; |
bf38876a | 788 | if (writing) { |
50952442 | 789 | if (IoTYPE(io) == IoTYPE_SOCKET |
e99cca91 | 790 | || (IoTYPE(io) == IoTYPE_WRONLY && fd >= 0 && S_ISCHR(PL_statbuf.st_mode)) ) { |
a33cf58c | 791 | char *s = mode; |
3b6c1aba JH |
792 | if (*s == IoTYPE_IMPLICIT || *s == IoTYPE_NUMERIC) |
793 | s++; | |
a33cf58c | 794 | *s = 'w'; |
7c491510 | 795 | if (!(IoOFP(io) = PerlIO_openn(aTHX_ type,s,fd,0,0,NULL,0,NULL))) { |
760ac839 | 796 | PerlIO_close(fp); |
6e21c824 | 797 | goto say_false; |
fe14fcc3 | 798 | } |
1462b684 LW |
799 | } |
800 | else | |
8990e307 | 801 | IoOFP(io) = fp; |
bf38876a | 802 | } |
a687059c | 803 | return TRUE; |
6e21c824 | 804 | |
7b52d656 | 805 | say_false: |
8990e307 LW |
806 | IoIFP(io) = saveifp; |
807 | IoOFP(io) = saveofp; | |
808 | IoTYPE(io) = savetype; | |
6e21c824 | 809 | return FALSE; |
a687059c LW |
810 | } |
811 | ||
760ac839 | 812 | PerlIO * |
157fb5a1 | 813 | Perl_nextargv(pTHX_ GV *gv, bool nomagicopen) |
a687059c | 814 | { |
2d03de9c | 815 | IO * const io = GvIOp(gv); |
502aca56 | 816 | SV *const old_out_name = PL_inplace ? newSVsv(GvSV(gv)) : NULL; |
fe14fcc3 | 817 | |
7918f24d NC |
818 | PERL_ARGS_ASSERT_NEXTARGV; |
819 | ||
502aca56 TC |
820 | if (old_out_name) |
821 | SAVEFREESV(old_out_name); | |
822 | ||
3280af22 | 823 | if (!PL_argvoutgv) |
fafc274c | 824 | PL_argvoutgv = gv_fetchpvs("ARGVOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
5513c2cf | 825 | if (io && (IoFLAGS(io) & (IOf_ARGV|IOf_START)) == (IOf_ARGV|IOf_START)) { |
18708f5a | 826 | IoFLAGS(io) &= ~IOf_START; |
7a1c5554 | 827 | if (PL_inplace) { |
294b3b39 | 828 | assert(PL_defoutgv); |
29a861e7 NC |
829 | Perl_av_create_and_push(aTHX_ &PL_argvout_stack, |
830 | SvREFCNT_inc_simple_NN(PL_defoutgv)); | |
7a1c5554 | 831 | } |
18708f5a | 832 | } |
3280af22 NIS |
833 | if (PL_filemode & (S_ISUID|S_ISGID)) { |
834 | PerlIO_flush(IoIFP(GvIOn(PL_argvoutgv))); /* chmod must follow last write */ | |
fe14fcc3 | 835 | #ifdef HAS_FCHMOD |
c797f2d8 DM |
836 | if (PL_lastfd != -1) |
837 | (void)fchmod(PL_lastfd,PL_filemode); | |
fe14fcc3 | 838 | #else |
b28d0864 | 839 | (void)PerlLIO_chmod(PL_oldname,PL_filemode); |
fe14fcc3 LW |
840 | #endif |
841 | } | |
c797f2d8 | 842 | PL_lastfd = -1; |
3280af22 | 843 | PL_filemode = 0; |
5c501b37 | 844 | if (!GvAV(gv)) |
4608196e | 845 | return NULL; |
b9f2b683 | 846 | while (av_tindex(GvAV(gv)) >= 0) { |
45a23732 | 847 | Stat_t statbuf; |
85aff577 | 848 | STRLEN oldlen; |
1fa0529f | 849 | SV *const sv = av_shift(GvAV(gv)); |
8990e307 | 850 | SAVEFREESV(sv); |
4bac9ae4 | 851 | SvTAINTED_off(GvSVn(gv)); /* previous tainting irrelevant */ |
e203899d | 852 | sv_setsv(GvSVn(gv),sv); |
79072805 | 853 | SvSETMAGIC(GvSV(gv)); |
3280af22 | 854 | PL_oldname = SvPVx(GvSV(gv), oldlen); |
d8015975 | 855 | if (LIKELY(!PL_inplace)) { |
157fb5a1 RGS |
856 | if (nomagicopen |
857 | ? do_open6(gv, "<", 1, NULL, &GvSV(gv), 1) | |
858 | : do_open6(gv, PL_oldname, oldlen, NULL, NULL, 0) | |
859 | ) { | |
d8015975 NC |
860 | return IoIFP(GvIOp(gv)); |
861 | } | |
862 | } | |
863 | else { | |
502aca56 TC |
864 | { |
865 | IO * const io = GvIOp(PL_argvoutgv); | |
866 | if (io && IoIFP(io) && old_out_name && !io_close(io, PL_argvoutgv, FALSE, FALSE)) { | |
147e3846 KW |
867 | Perl_croak(aTHX_ "Failed to close in-place edit file %" |
868 | SVf ": %s\n", old_out_name, Strerror(errno)); | |
502aca56 TC |
869 | } |
870 | } | |
d8015975 NC |
871 | /* This very long block ends with return IoIFP(GvIOp(gv)); |
872 | Both this block and the block above fall through on open | |
873 | failure to the warning code, and then the while loop above tries | |
874 | the next entry. */ | |
875 | if (do_open_raw(gv, PL_oldname, oldlen, O_RDONLY, 0)) { | |
1fa0529f NC |
876 | #ifndef FLEXFILENAMES |
877 | int filedev; | |
878 | int fileino; | |
879 | #endif | |
880 | Uid_t fileuid; | |
881 | Gid_t filegid; | |
882 | ||
79072805 | 883 | TAINT_PROPER("inplace open"); |
3280af22 | 884 | if (oldlen == 1 && *PL_oldname == '-') { |
fafc274c NC |
885 | setdefout(gv_fetchpvs("STDOUT", GV_ADD|GV_NOTQUAL, |
886 | SVt_PVIO)); | |
a0d0e21e | 887 | return IoIFP(GvIOp(gv)); |
c623bd54 | 888 | } |
99b89507 | 889 | #ifndef FLEXFILENAMES |
b28d0864 NIS |
890 | filedev = PL_statbuf.st_dev; |
891 | fileino = PL_statbuf.st_ino; | |
99b89507 | 892 | #endif |
3280af22 NIS |
893 | PL_filemode = PL_statbuf.st_mode; |
894 | fileuid = PL_statbuf.st_uid; | |
895 | filegid = PL_statbuf.st_gid; | |
896 | if (!S_ISREG(PL_filemode)) { | |
9b387841 NC |
897 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INPLACE), |
898 | "Can't do inplace edit: %s is not a regular file", | |
899 | PL_oldname ); | |
79072805 | 900 | do_close(gv,FALSE); |
c623bd54 LW |
901 | continue; |
902 | } | |
c9930541 | 903 | if (*PL_inplace && strNE(PL_inplace, "*")) { |
2d03de9c | 904 | const char *star = strchr(PL_inplace, '*'); |
2d259d92 | 905 | if (star) { |
2d03de9c | 906 | const char *begin = PL_inplace; |
8062ff11 | 907 | SvPVCLEAR(sv); |
2d259d92 CK |
908 | do { |
909 | sv_catpvn(sv, begin, star - begin); | |
3280af22 | 910 | sv_catpvn(sv, PL_oldname, oldlen); |
2d259d92 CK |
911 | begin = ++star; |
912 | } while ((star = strchr(begin, '*'))); | |
3d66d7bb GS |
913 | if (*begin) |
914 | sv_catpv(sv,begin); | |
2d259d92 CK |
915 | } |
916 | else { | |
3280af22 | 917 | sv_catpv(sv,PL_inplace); |
2d259d92 | 918 | } |
c623bd54 | 919 | #ifndef FLEXFILENAMES |
95a20fc0 | 920 | if ((PerlLIO_stat(SvPVX_const(sv),&PL_statbuf) >= 0 |
5f74f29c JH |
921 | && PL_statbuf.st_dev == filedev |
922 | && PL_statbuf.st_ino == fileino) | |
39e571d4 | 923 | #ifdef DJGPP |
5f74f29c | 924 | || ((_djstat_fail_bits & _STFAIL_TRUENAME)!=0) |
39e571d4 | 925 | #endif |
f248d071 GS |
926 | ) |
927 | { | |
9b387841 | 928 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INPLACE), |
147e3846 KW |
929 | "Can't do inplace edit: %" |
930 | SVf " would not be unique", | |
9b387841 | 931 | SVfARG(sv)); |
79072805 | 932 | do_close(gv,FALSE); |
c623bd54 LW |
933 | continue; |
934 | } | |
935 | #endif | |
fe14fcc3 | 936 | #ifdef HAS_RENAME |
739a0b84 | 937 | #if !defined(DOSISH) && !defined(__CYGWIN__) |
95a20fc0 | 938 | if (PerlLIO_rename(PL_oldname,SvPVX_const(sv)) < 0) { |
9b387841 | 939 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INPLACE), |
147e3846 KW |
940 | "Can't rename %s to %" SVf |
941 | ": %s, skipping file", | |
942 | PL_oldname, SVfARG(sv), | |
943 | Strerror(errno)); | |
79072805 | 944 | do_close(gv,FALSE); |
c623bd54 LW |
945 | continue; |
946 | } | |
a687059c | 947 | #else |
79072805 | 948 | do_close(gv,FALSE); |
95a20fc0 SP |
949 | (void)PerlLIO_unlink(SvPVX_const(sv)); |
950 | (void)PerlLIO_rename(PL_oldname,SvPVX_const(sv)); | |
d5eb9a46 | 951 | do_open_raw(gv, SvPVX_const(sv), SvCUR(sv), O_RDONLY, 0); |
55497cff | 952 | #endif /* DOSISH */ |
ff8e2863 | 953 | #else |
95a20fc0 SP |
954 | (void)UNLINK(SvPVX_const(sv)); |
955 | if (link(PL_oldname,SvPVX_const(sv)) < 0) { | |
9b387841 | 956 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INPLACE), |
147e3846 | 957 | "Can't rename %s to %" SVf ": %s, skipping file", |
9b387841 | 958 | PL_oldname, SVfARG(sv), Strerror(errno) ); |
79072805 | 959 | do_close(gv,FALSE); |
c623bd54 LW |
960 | continue; |
961 | } | |
b28d0864 | 962 | (void)UNLINK(PL_oldname); |
a687059c LW |
963 | #endif |
964 | } | |
965 | else { | |
91e4b3b3 | 966 | #if !defined(DOSISH) && !defined(__amigaos4__) |
edc7bc49 | 967 | # ifndef VMS /* Don't delete; use automatic file versioning */ |
3280af22 | 968 | if (UNLINK(PL_oldname) < 0) { |
9b387841 NC |
969 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INPLACE), |
970 | "Can't remove %s: %s, skipping file", | |
971 | PL_oldname, Strerror(errno) ); | |
79072805 | 972 | do_close(gv,FALSE); |
fe14fcc3 LW |
973 | continue; |
974 | } | |
edc7bc49 | 975 | # endif |
ff8e2863 | 976 | #else |
cea2e8a9 | 977 | Perl_croak(aTHX_ "Can't do inplace edit without backup"); |
ff8e2863 | 978 | #endif |
a687059c LW |
979 | } |
980 | ||
30fc4309 | 981 | sv_setpvn(sv,PL_oldname,oldlen); |
748a9306 | 982 | SETERRNO(0,0); /* in case sprintf set errno */ |
d5eb9a46 NC |
983 | if (!Perl_do_open_raw(aTHX_ PL_argvoutgv, SvPVX_const(sv), |
984 | SvCUR(sv), | |
4119ab01 | 985 | #ifdef VMS |
d5eb9a46 | 986 | O_WRONLY|O_CREAT|O_TRUNC, 0 |
4119ab01 | 987 | #else |
d5eb9a46 | 988 | O_WRONLY|O_CREAT|OPEN_EXCL, 0600 |
4119ab01 | 989 | #endif |
d5eb9a46 | 990 | )) { |
9b387841 NC |
991 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INPLACE), "Can't do inplace edit on %s: %s", |
992 | PL_oldname, Strerror(errno) ); | |
79072805 | 993 | do_close(gv,FALSE); |
fe14fcc3 LW |
994 | continue; |
995 | } | |
3280af22 NIS |
996 | setdefout(PL_argvoutgv); |
997 | PL_lastfd = PerlIO_fileno(IoIFP(GvIOp(PL_argvoutgv))); | |
375ed12a | 998 | if (PL_lastfd >= 0) { |
45a23732 | 999 | (void)PerlLIO_fstat(PL_lastfd,&statbuf); |
fe14fcc3 | 1000 | #ifdef HAS_FCHMOD |
375ed12a | 1001 | (void)fchmod(PL_lastfd,PL_filemode); |
a687059c | 1002 | #else |
375ed12a | 1003 | (void)PerlLIO_chmod(PL_oldname,PL_filemode); |
a687059c | 1004 | #endif |
45a23732 | 1005 | if (fileuid != statbuf.st_uid || filegid != statbuf.st_gid) { |
b469f1e0 | 1006 | /* XXX silently ignore failures */ |
fe14fcc3 | 1007 | #ifdef HAS_FCHOWN |
b469f1e0 | 1008 | PERL_UNUSED_RESULT(fchown(PL_lastfd,fileuid,filegid)); |
a687059c | 1009 | #else |
fe14fcc3 | 1010 | #ifdef HAS_CHOWN |
b469f1e0 | 1011 | PERL_UNUSED_RESULT(PerlLIO_chown(PL_oldname,fileuid,filegid)); |
a687059c | 1012 | #endif |
b1248f16 | 1013 | #endif |
375ed12a | 1014 | } |
fe14fcc3 | 1015 | } |
d8015975 | 1016 | return IoIFP(GvIOp(gv)); |
a687059c | 1017 | } |
d8015975 NC |
1018 | } /* successful do_open_raw(), PL_inplace non-NULL */ |
1019 | ||
1020 | if (ckWARN_d(WARN_INPLACE)) { | |
1021 | const int eno = errno; | |
45a23732 DD |
1022 | if (PerlLIO_stat(PL_oldname, &statbuf) >= 0 |
1023 | && !S_ISREG(statbuf.st_mode)) { | |
d8015975 NC |
1024 | Perl_warner(aTHX_ packWARN(WARN_INPLACE), |
1025 | "Can't do inplace edit: %s is not a regular file", | |
1026 | PL_oldname); | |
1027 | } | |
1028 | else { | |
1029 | Perl_warner(aTHX_ packWARN(WARN_INPLACE), "Can't open %s: %s", | |
1030 | PL_oldname, Strerror(eno)); | |
1031 | } | |
4d61ec05 | 1032 | } |
a687059c | 1033 | } |
18708f5a GS |
1034 | if (io && (IoFLAGS(io) & IOf_ARGV)) |
1035 | IoFLAGS(io) |= IOf_START; | |
3280af22 | 1036 | if (PL_inplace) { |
502aca56 TC |
1037 | if (old_out_name) { |
1038 | IO * const io = GvIOp(PL_argvoutgv); | |
1039 | if (io && IoIFP(io) && !io_close(io, PL_argvoutgv, FALSE, FALSE)) { | |
147e3846 | 1040 | Perl_croak(aTHX_ "Failed to close in-place edit file %" SVf ": %s\n", |
502aca56 TC |
1041 | old_out_name, Strerror(errno)); |
1042 | } | |
1043 | } | |
1044 | else { | |
1045 | /* maybe this is no longer wanted */ | |
1046 | (void)do_close(PL_argvoutgv,FALSE); | |
1047 | } | |
7a1c5554 GS |
1048 | if (io && (IoFLAGS(io) & IOf_ARGV) |
1049 | && PL_argvout_stack && AvFILLp(PL_argvout_stack) >= 0) | |
1050 | { | |
159b6efe | 1051 | GV * const oldout = MUTABLE_GV(av_pop(PL_argvout_stack)); |
18708f5a | 1052 | setdefout(oldout); |
8e217d4a | 1053 | SvREFCNT_dec_NN(oldout); |
4608196e | 1054 | return NULL; |
18708f5a | 1055 | } |
fafc274c | 1056 | setdefout(gv_fetchpvs("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO)); |
a687059c | 1057 | } |
4608196e | 1058 | return NULL; |
a687059c LW |
1059 | } |
1060 | ||
517844ec | 1061 | /* explicit renamed to avoid C++ conflict -- kja */ |
a687059c | 1062 | bool |
864dbfa3 | 1063 | Perl_do_close(pTHX_ GV *gv, bool not_implicit) |
a687059c | 1064 | { |
1193dd27 IZ |
1065 | bool retval; |
1066 | IO *io; | |
a687059c | 1067 | |
79072805 | 1068 | if (!gv) |
3280af22 | 1069 | gv = PL_argvgv; |
6e592b3a | 1070 | if (!gv || !isGV_with_GP(gv)) { |
1d2dff63 | 1071 | if (not_implicit) |
93189314 | 1072 | SETERRNO(EBADF,SS_IVCHAN); |
c2ab57d4 | 1073 | return FALSE; |
99b89507 | 1074 | } |
79072805 LW |
1075 | io = GvIO(gv); |
1076 | if (!io) { /* never opened */ | |
1d2dff63 | 1077 | if (not_implicit) { |
51087808 | 1078 | report_evil_fh(gv); |
93189314 | 1079 | SETERRNO(EBADF,SS_IVCHAN); |
1d2dff63 | 1080 | } |
a687059c LW |
1081 | return FALSE; |
1082 | } | |
96d7c888 | 1083 | retval = io_close(io, NULL, not_implicit, FALSE); |
517844ec | 1084 | if (not_implicit) { |
1193dd27 IZ |
1085 | IoLINES(io) = 0; |
1086 | IoPAGE(io) = 0; | |
1087 | IoLINES_LEFT(io) = IoPAGE_LEN(io); | |
1088 | } | |
50952442 | 1089 | IoTYPE(io) = IoTYPE_CLOSED; |
1193dd27 IZ |
1090 | return retval; |
1091 | } | |
1092 | ||
1093 | bool | |
96d7c888 | 1094 | Perl_io_close(pTHX_ IO *io, GV *gv, bool not_implicit, bool warn_on_fail) |
1193dd27 IZ |
1095 | { |
1096 | bool retval = FALSE; | |
1193dd27 | 1097 | |
7918f24d NC |
1098 | PERL_ARGS_ASSERT_IO_CLOSE; |
1099 | ||
8990e307 | 1100 | if (IoIFP(io)) { |
50952442 | 1101 | if (IoTYPE(io) == IoTYPE_PIPE) { |
4373e329 | 1102 | const int status = PerlProc_pclose(IoIFP(io)); |
f2b5be74 | 1103 | if (not_implicit) { |
37038d91 | 1104 | STATUS_NATIVE_CHILD_SET(status); |
e5218da5 | 1105 | retval = (STATUS_UNIX == 0); |
f2b5be74 GS |
1106 | } |
1107 | else { | |
1108 | retval = (status != -1); | |
1109 | } | |
a687059c | 1110 | } |
50952442 | 1111 | else if (IoTYPE(io) == IoTYPE_STD) |
a687059c LW |
1112 | retval = TRUE; |
1113 | else { | |
8990e307 | 1114 | if (IoOFP(io) && IoOFP(io) != IoIFP(io)) { /* a socket */ |
0bcc34c2 | 1115 | const bool prev_err = PerlIO_error(IoOFP(io)); |
f4725fad FC |
1116 | #ifdef USE_PERLIO |
1117 | if (prev_err) | |
1118 | PerlIO_restore_errno(IoOFP(io)); | |
1119 | #endif | |
e199e3be | 1120 | retval = (PerlIO_close(IoOFP(io)) != EOF && !prev_err); |
760ac839 | 1121 | PerlIO_close(IoIFP(io)); /* clear stdio, fd already closed */ |
c2ab57d4 | 1122 | } |
e199e3be | 1123 | else { |
0bcc34c2 | 1124 | const bool prev_err = PerlIO_error(IoIFP(io)); |
f4725fad FC |
1125 | #ifdef USE_PERLIO |
1126 | if (prev_err) | |
1127 | PerlIO_restore_errno(IoIFP(io)); | |
1128 | #endif | |
e199e3be RGS |
1129 | retval = (PerlIO_close(IoIFP(io)) != EOF && !prev_err); |
1130 | } | |
a687059c | 1131 | } |
4608196e | 1132 | IoOFP(io) = IoIFP(io) = NULL; |
96d7c888 FC |
1133 | |
1134 | if (warn_on_fail && !retval) { | |
1135 | if (gv) | |
1136 | Perl_ck_warner_d(aTHX_ packWARN(WARN_IO), | |
1137 | "Warning: unable to close filehandle %" | |
147e3846 | 1138 | HEKf " properly: %" SVf, |
ac892e4a DM |
1139 | HEKfARG(GvNAME_HEK(gv)), |
1140 | SVfARG(get_sv("!",GV_ADD))); | |
96d7c888 FC |
1141 | else |
1142 | Perl_ck_warner_d(aTHX_ packWARN(WARN_IO), | |
1143 | "Warning: unable to close filehandle " | |
147e3846 | 1144 | "properly: %" SVf, |
ac892e4a | 1145 | SVfARG(get_sv("!",GV_ADD))); |
96d7c888 | 1146 | } |
79072805 | 1147 | } |
f2b5be74 | 1148 | else if (not_implicit) { |
93189314 | 1149 | SETERRNO(EBADF,SS_IVCHAN); |
20408e3c | 1150 | } |
1193dd27 | 1151 | |
a687059c LW |
1152 | return retval; |
1153 | } | |
1154 | ||
1155 | bool | |
864dbfa3 | 1156 | Perl_do_eof(pTHX_ GV *gv) |
a687059c | 1157 | { |
eb578fdb | 1158 | IO * const io = GvIO(gv); |
a687059c | 1159 | |
7918f24d NC |
1160 | PERL_ARGS_ASSERT_DO_EOF; |
1161 | ||
79072805 | 1162 | if (!io) |
a687059c | 1163 | return TRUE; |
7716c5c5 | 1164 | else if (IoTYPE(io) == IoTYPE_WRONLY) |
a5390457 | 1165 | report_wrongway_fh(gv, '>'); |
a687059c | 1166 | |
8990e307 | 1167 | while (IoIFP(io)) { |
760ac839 | 1168 | if (PerlIO_has_cntptr(IoIFP(io))) { /* (the code works without this) */ |
a20bf0c3 | 1169 | if (PerlIO_get_cnt(IoIFP(io)) > 0) /* cheat a little, since */ |
760ac839 LW |
1170 | return FALSE; /* this is the most usual case */ |
1171 | } | |
a687059c | 1172 | |
79852593 NC |
1173 | { |
1174 | /* getc and ungetc can stomp on errno */ | |
4ee39169 | 1175 | dSAVE_ERRNO; |
79852593 NC |
1176 | const int ch = PerlIO_getc(IoIFP(io)); |
1177 | if (ch != EOF) { | |
1178 | (void)PerlIO_ungetc(IoIFP(io),ch); | |
4ee39169 | 1179 | RESTORE_ERRNO; |
79852593 NC |
1180 | return FALSE; |
1181 | } | |
4ee39169 | 1182 | RESTORE_ERRNO; |
a687059c | 1183 | } |
fab3f3a7 | 1184 | |
760ac839 | 1185 | if (PerlIO_has_cntptr(IoIFP(io)) && PerlIO_canset_cnt(IoIFP(io))) { |
a20bf0c3 JH |
1186 | if (PerlIO_get_cnt(IoIFP(io)) < -1) |
1187 | PerlIO_set_cnt(IoIFP(io),-1); | |
760ac839 | 1188 | } |
533c011a | 1189 | if (PL_op->op_flags & OPf_SPECIAL) { /* not necessarily a real EOF yet? */ |
157fb5a1 | 1190 | if (gv != PL_argvgv || !nextargv(gv, FALSE)) /* get another fp handy */ |
a687059c LW |
1191 | return TRUE; |
1192 | } | |
1193 | else | |
1194 | return TRUE; /* normal fp, definitely end of file */ | |
1195 | } | |
1196 | return TRUE; | |
1197 | } | |
1198 | ||
5ff3f7a4 | 1199 | Off_t |
864dbfa3 | 1200 | Perl_do_tell(pTHX_ GV *gv) |
a687059c | 1201 | { |
9c9f25b8 | 1202 | IO *const io = GvIO(gv); |
eb578fdb | 1203 | PerlIO *fp; |
a687059c | 1204 | |
7918f24d NC |
1205 | PERL_ARGS_ASSERT_DO_TELL; |
1206 | ||
9c9f25b8 | 1207 | if (io && (fp = IoIFP(io))) { |
8903cb82 | 1208 | return PerlIO_tell(fp); |
96e4d5b1 | 1209 | } |
51087808 | 1210 | report_evil_fh(gv); |
93189314 | 1211 | SETERRNO(EBADF,RMS_IFI); |
5ff3f7a4 | 1212 | return (Off_t)-1; |
a687059c LW |
1213 | } |
1214 | ||
1215 | bool | |
864dbfa3 | 1216 | Perl_do_seek(pTHX_ GV *gv, Off_t pos, int whence) |
a687059c | 1217 | { |
9c9f25b8 | 1218 | IO *const io = GvIO(gv); |
eb578fdb | 1219 | PerlIO *fp; |
a687059c | 1220 | |
9c9f25b8 | 1221 | if (io && (fp = IoIFP(io))) { |
8903cb82 | 1222 | return PerlIO_seek(fp, pos, whence) >= 0; |
137443ea | 1223 | } |
51087808 | 1224 | report_evil_fh(gv); |
93189314 | 1225 | SETERRNO(EBADF,RMS_IFI); |
a687059c LW |
1226 | return FALSE; |
1227 | } | |
1228 | ||
97cc44eb | 1229 | Off_t |
864dbfa3 | 1230 | Perl_do_sysseek(pTHX_ GV *gv, Off_t pos, int whence) |
8903cb82 | 1231 | { |
9c9f25b8 | 1232 | IO *const io = GvIO(gv); |
eb578fdb | 1233 | PerlIO *fp; |
8903cb82 | 1234 | |
7918f24d NC |
1235 | PERL_ARGS_ASSERT_DO_SYSSEEK; |
1236 | ||
375ed12a JH |
1237 | if (io && (fp = IoIFP(io))) { |
1238 | int fd = PerlIO_fileno(fp); | |
07bd88da JH |
1239 | if (fd < 0 || (whence == SEEK_SET && pos < 0)) { |
1240 | SETERRNO(EINVAL,LIB_INVARG); | |
1241 | return -1; | |
1242 | } else { | |
375ed12a JH |
1243 | return PerlLIO_lseek(fd, pos, whence); |
1244 | } | |
1245 | } | |
51087808 | 1246 | report_evil_fh(gv); |
93189314 | 1247 | SETERRNO(EBADF,RMS_IFI); |
d9b3e12d | 1248 | return (Off_t)-1; |
8903cb82 | 1249 | } |
1250 | ||
6ff81951 | 1251 | int |
a79b25b7 | 1252 | Perl_mode_from_discipline(pTHX_ const char *s, STRLEN len) |
16fe6d59 GS |
1253 | { |
1254 | int mode = O_BINARY; | |
81611534 | 1255 | PERL_UNUSED_CONTEXT; |
a79b25b7 | 1256 | if (s) { |
16fe6d59 GS |
1257 | while (*s) { |
1258 | if (*s == ':') { | |
1259 | switch (s[1]) { | |
1260 | case 'r': | |
e963d6d2 | 1261 | if (s[2] == 'a' && s[3] == 'w' |
16fe6d59 GS |
1262 | && (!s[4] || s[4] == ':' || isSPACE(s[4]))) |
1263 | { | |
1264 | mode = O_BINARY; | |
1265 | s += 4; | |
1266 | len -= 4; | |
1267 | break; | |
1268 | } | |
924ba076 | 1269 | /* FALLTHROUGH */ |
16fe6d59 | 1270 | case 'c': |
e963d6d2 | 1271 | if (s[2] == 'r' && s[3] == 'l' && s[4] == 'f' |
16fe6d59 GS |
1272 | && (!s[5] || s[5] == ':' || isSPACE(s[5]))) |
1273 | { | |
1274 | mode = O_TEXT; | |
1275 | s += 5; | |
1276 | len -= 5; | |
1277 | break; | |
1278 | } | |
924ba076 | 1279 | /* FALLTHROUGH */ |
16fe6d59 GS |
1280 | default: |
1281 | goto fail_discipline; | |
1282 | } | |
1283 | } | |
1284 | else if (isSPACE(*s)) { | |
1285 | ++s; | |
1286 | --len; | |
1287 | } | |
1288 | else { | |
4373e329 | 1289 | const char *end; |
7b52d656 | 1290 | fail_discipline: |
16fe6d59 GS |
1291 | end = strchr(s+1, ':'); |
1292 | if (!end) | |
1293 | end = s+len; | |
60382766 | 1294 | #ifndef PERLIO_LAYERS |
363c40c4 | 1295 | Perl_croak(aTHX_ "IO layers (like '%.*s') unavailable", end-s, s); |
60382766 | 1296 | #else |
18a33fb5 | 1297 | len -= end-s; |
60382766 NIS |
1298 | s = end; |
1299 | #endif | |
16fe6d59 GS |
1300 | } |
1301 | } | |
1302 | } | |
1303 | return mode; | |
1304 | } | |
1305 | ||
58e24eff | 1306 | #if !defined(HAS_TRUNCATE) && !defined(HAS_CHSIZE) |
27da23d5 JH |
1307 | I32 |
1308 | my_chsize(int fd, Off_t length) | |
6eb13c3b | 1309 | { |
58e24eff SH |
1310 | #ifdef F_FREESP |
1311 | /* code courtesy of William Kucharski */ | |
1312 | #define HAS_CHSIZE | |
1313 | ||
c623ac67 | 1314 | Stat_t filebuf; |
6eb13c3b | 1315 | |
3028581b | 1316 | if (PerlLIO_fstat(fd, &filebuf) < 0) |
6eb13c3b LW |
1317 | return -1; |
1318 | ||
1319 | if (filebuf.st_size < length) { | |
1320 | ||
1321 | /* extend file length */ | |
1322 | ||
3028581b | 1323 | if ((PerlLIO_lseek(fd, (length - 1), 0)) < 0) |
6eb13c3b LW |
1324 | return -1; |
1325 | ||
1326 | /* write a "0" byte */ | |
1327 | ||
3028581b | 1328 | if ((PerlLIO_write(fd, "", 1)) != 1) |
6eb13c3b LW |
1329 | return -1; |
1330 | } | |
1331 | else { | |
1332 | /* truncate length */ | |
35da51f7 | 1333 | struct flock fl; |
6eb13c3b LW |
1334 | fl.l_whence = 0; |
1335 | fl.l_len = 0; | |
1336 | fl.l_start = length; | |
a0d0e21e | 1337 | fl.l_type = F_WRLCK; /* write lock on file space */ |
6eb13c3b LW |
1338 | |
1339 | /* | |
a0d0e21e | 1340 | * This relies on the UNDOCUMENTED F_FREESP argument to |
6eb13c3b LW |
1341 | * fcntl(2), which truncates the file so that it ends at the |
1342 | * position indicated by fl.l_start. | |
1343 | * | |
1344 | * Will minor miracles never cease? | |
1345 | */ | |
1346 | ||
a0d0e21e | 1347 | if (fcntl(fd, F_FREESP, &fl) < 0) |
6eb13c3b LW |
1348 | return -1; |
1349 | ||
1350 | } | |
6eb13c3b | 1351 | return 0; |
58e24eff | 1352 | #else |
27da23d5 | 1353 | Perl_croak_nocontext("truncate not implemented"); |
a0d0e21e | 1354 | #endif /* F_FREESP */ |
27da23d5 | 1355 | return -1; |
58e24eff SH |
1356 | } |
1357 | #endif /* !HAS_TRUNCATE && !HAS_CHSIZE */ | |
ff8e2863 | 1358 | |
a687059c | 1359 | bool |
5aaab254 | 1360 | Perl_do_print(pTHX_ SV *sv, PerlIO *fp) |
a687059c | 1361 | { |
7918f24d NC |
1362 | PERL_ARGS_ASSERT_DO_PRINT; |
1363 | ||
79072805 LW |
1364 | /* assuming fp is checked earlier */ |
1365 | if (!sv) | |
1366 | return TRUE; | |
e9950d3b NC |
1367 | if (SvTYPE(sv) == SVt_IV && SvIOK(sv)) { |
1368 | assert(!SvGMAGICAL(sv)); | |
1369 | if (SvIsUV(sv)) | |
147e3846 | 1370 | PerlIO_printf(fp, "%" UVuf, (UV)SvUVX(sv)); |
e9950d3b | 1371 | else |
147e3846 | 1372 | PerlIO_printf(fp, "%" IVdf, (IV)SvIVX(sv)); |
e9950d3b NC |
1373 | return !PerlIO_error(fp); |
1374 | } | |
1375 | else { | |
1376 | STRLEN len; | |
676f44e7 | 1377 | /* Do this first to trigger any overloading. */ |
e9950d3b NC |
1378 | const char *tmps = SvPV_const(sv, len); |
1379 | U8 *tmpbuf = NULL; | |
1380 | bool happy = TRUE; | |
1381 | ||
d791f93f KW |
1382 | if (PerlIO_isutf8(fp)) { /* If the stream is utf8 ... */ |
1383 | if (!SvUTF8(sv)) { /* Convert to utf8 if necessary */ | |
676f44e7 NC |
1384 | /* We don't modify the original scalar. */ |
1385 | tmpbuf = bytes_to_utf8((const U8*) tmps, &len); | |
1386 | tmps = (char *) tmpbuf; | |
1387 | } | |
a099aed4 | 1388 | else if (ckWARN4_d(WARN_UTF8, WARN_SURROGATE, WARN_NON_UNICODE, WARN_NONCHAR)) { |
0876b9a0 KW |
1389 | (void) check_utf8_print((const U8*) tmps, len); |
1390 | } | |
d791f93f KW |
1391 | } /* else stream isn't utf8 */ |
1392 | else if (DO_UTF8(sv)) { /* But if is utf8 internally, attempt to | |
1393 | convert to bytes */ | |
676f44e7 NC |
1394 | STRLEN tmplen = len; |
1395 | bool utf8 = TRUE; | |
35da51f7 | 1396 | U8 * const result = bytes_from_utf8((const U8*) tmps, &tmplen, &utf8); |
676f44e7 | 1397 | if (!utf8) { |
d791f93f KW |
1398 | |
1399 | /* Here, succeeded in downgrading from utf8. Set up to below | |
1400 | * output the converted value */ | |
676f44e7 NC |
1401 | tmpbuf = result; |
1402 | tmps = (char *) tmpbuf; | |
1403 | len = tmplen; | |
1404 | } | |
d791f93f KW |
1405 | else { /* Non-utf8 output stream, but string only representable in |
1406 | utf8 */ | |
676f44e7 | 1407 | assert((char *)result == tmps); |
9b387841 | 1408 | Perl_ck_warner_d(aTHX_ packWARN(WARN_UTF8), |
21630838 FC |
1409 | "Wide character in %s", |
1410 | PL_op ? OP_DESC(PL_op) : "print" | |
1411 | ); | |
0876b9a0 KW |
1412 | /* Could also check that isn't one of the things to avoid |
1413 | * in utf8 by using check_utf8_print(), but not doing so, | |
1414 | * since the stream isn't a UTF8 stream */ | |
ae798467 NIS |
1415 | } |
1416 | } | |
e9950d3b NC |
1417 | /* To detect whether the process is about to overstep its |
1418 | * filesize limit we would need getrlimit(). We could then | |
1419 | * also transparently raise the limit with setrlimit() -- | |
1420 | * but only until the system hard limit/the filesystem limit, | |
1421 | * at which we would get EPERM. Note that when using buffered | |
1422 | * io the write failure can be delayed until the flush/close. --jhi */ | |
1423 | if (len && (PerlIO_write(fp,tmps,len) == 0)) | |
1424 | happy = FALSE; | |
1425 | Safefree(tmpbuf); | |
1426 | return happy ? !PerlIO_error(fp) : FALSE; | |
ff8e2863 | 1427 | } |
a687059c LW |
1428 | } |
1429 | ||
79072805 | 1430 | I32 |
0d7d409d | 1431 | Perl_my_stat_flags(pTHX_ const U32 flags) |
a687059c | 1432 | { |
39644a26 | 1433 | dSP; |
79072805 | 1434 | IO *io; |
2dd78f96 | 1435 | GV* gv; |
79072805 | 1436 | |
533c011a | 1437 | if (PL_op->op_flags & OPf_REF) { |
2dd78f96 | 1438 | gv = cGVOP_gv; |
748a9306 | 1439 | do_fstat: |
5228a96c SP |
1440 | if (gv == PL_defgv) |
1441 | return PL_laststatval; | |
2dd78f96 | 1442 | io = GvIO(gv); |
ad02613c | 1443 | do_fstat_have_io: |
5228a96c | 1444 | PL_laststype = OP_STAT; |
bd5f6c01 | 1445 | PL_statgv = gv ? gv : (GV *)io; |
8062ff11 | 1446 | SvPVCLEAR(PL_statname); |
77616968 | 1447 | if (io) { |
5228a96c | 1448 | if (IoIFP(io)) { |
375ed12a | 1449 | int fd = PerlIO_fileno(IoIFP(io)); |
77616968 JH |
1450 | if (fd < 0) { |
1451 | /* E.g. PerlIO::scalar has no real fd. */ | |
1452 | return (PL_laststatval = -1); | |
1453 | } else { | |
375ed12a JH |
1454 | return (PL_laststatval = PerlLIO_fstat(fd, &PL_statcache)); |
1455 | } | |
5228a96c | 1456 | } else if (IoDIRP(io)) { |
3497a01f | 1457 | return (PL_laststatval = PerlLIO_fstat(my_dirfd(IoDIRP(io)), &PL_statcache)); |
5228a96c | 1458 | } |
5228a96c | 1459 | } |
3888144c FC |
1460 | PL_laststatval = -1; |
1461 | report_evil_fh(gv); | |
1462 | return -1; | |
a687059c | 1463 | } |
d2c4d2d1 | 1464 | else if ((PL_op->op_private & (OPpFT_STACKED|OPpFT_AFTER_t)) |
8db8f6b6 FC |
1465 | == OPpFT_STACKED) |
1466 | return PL_laststatval; | |
d2c4d2d1 FC |
1467 | else { |
1468 | SV* const sv = TOPs; | |
4373e329 | 1469 | const char *s; |
4ecd490c | 1470 | STRLEN len; |
094a3eec | 1471 | if ((gv = MAYBE_DEREF_GV_flags(sv,flags))) { |
748a9306 LW |
1472 | goto do_fstat; |
1473 | } | |
ad02613c | 1474 | else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVIO) { |
a45c7426 | 1475 | io = MUTABLE_IO(SvRV(sv)); |
7f39519f | 1476 | gv = NULL; |
ad02613c SP |
1477 | goto do_fstat_have_io; |
1478 | } | |
748a9306 | 1479 | |
0d7d409d | 1480 | s = SvPV_flags_const(sv, len, flags); |
a0714e2c | 1481 | PL_statgv = NULL; |
4ecd490c | 1482 | sv_setpvn(PL_statname, s, len); |
95a20fc0 | 1483 | s = SvPVX_const(PL_statname); /* s now NUL-terminated */ |
3280af22 NIS |
1484 | PL_laststype = OP_STAT; |
1485 | PL_laststatval = PerlLIO_stat(s, &PL_statcache); | |
7cb3f959 | 1486 | if (PL_laststatval < 0 && ckWARN(WARN_NEWLINE) && should_warn_nl(s)) { |
5d37acd6 | 1487 | GCC_DIAG_IGNORE(-Wformat-nonliteral); /* PL_warn_nl is constant */ |
9014280d | 1488 | Perl_warner(aTHX_ packWARN(WARN_NEWLINE), PL_warn_nl, "stat"); |
5d37acd6 DM |
1489 | GCC_DIAG_RESTORE; |
1490 | } | |
3280af22 | 1491 | return PL_laststatval; |
a687059c LW |
1492 | } |
1493 | } | |
1494 | ||
fbb0b3b3 | 1495 | |
79072805 | 1496 | I32 |
0d7d409d | 1497 | Perl_my_lstat_flags(pTHX_ const U32 flags) |
c623bd54 | 1498 | { |
a1894d81 | 1499 | static const char* const no_prev_lstat = "The stat preceding -l _ wasn't an lstat"; |
39644a26 | 1500 | dSP; |
b16276bb | 1501 | const char *file; |
cd22fad3 | 1502 | SV* const sv = TOPs; |
5840701a | 1503 | bool isio = FALSE; |
533c011a | 1504 | if (PL_op->op_flags & OPf_REF) { |
638eceb6 | 1505 | if (cGVOP_gv == PL_defgv) { |
3280af22 | 1506 | if (PL_laststype != OP_LSTAT) |
0157ef98 | 1507 | Perl_croak(aTHX_ "%s", no_prev_lstat); |
3280af22 | 1508 | return PL_laststatval; |
fe14fcc3 | 1509 | } |
31b139ba | 1510 | PL_laststatval = -1; |
5d3e98de | 1511 | if (ckWARN(WARN_IO)) { |
5840701a | 1512 | /* diag_listed_as: Use of -l on filehandle%s */ |
d0c0e7dd | 1513 | Perl_warner(aTHX_ packWARN(WARN_IO), |
147e3846 | 1514 | "Use of -l on filehandle %" HEKf, |
d0c0e7dd | 1515 | HEKfARG(GvENAME_HEK(cGVOP_gv))); |
5d3e98de | 1516 | } |
31b139ba | 1517 | return -1; |
fe14fcc3 | 1518 | } |
8db8f6b6 FC |
1519 | if ((PL_op->op_private & (OPpFT_STACKED|OPpFT_AFTER_t)) |
1520 | == OPpFT_STACKED) { | |
1f26655e | 1521 | if (PL_laststype != OP_LSTAT) |
0157ef98 | 1522 | Perl_croak(aTHX_ "%s", no_prev_lstat); |
1f26655e | 1523 | return PL_laststatval; |
cd22fad3 | 1524 | } |
c623bd54 | 1525 | |
3280af22 | 1526 | PL_laststype = OP_LSTAT; |
a0714e2c | 1527 | PL_statgv = NULL; |
5840701a FC |
1528 | if ( ( (SvROK(sv) && ( isGV_with_GP(SvRV(sv)) |
1529 | || (isio = SvTYPE(SvRV(sv)) == SVt_PVIO) ) | |
1530 | ) | |
1531 | || isGV_with_GP(sv) | |
1532 | ) | |
1533 | && ckWARN(WARN_IO)) { | |
1534 | if (isio) | |
1535 | /* diag_listed_as: Use of -l on filehandle%s */ | |
1536 | Perl_warner(aTHX_ packWARN(WARN_IO), | |
1537 | "Use of -l on filehandle"); | |
1538 | else | |
1539 | /* diag_listed_as: Use of -l on filehandle%s */ | |
1540 | Perl_warner(aTHX_ packWARN(WARN_IO), | |
147e3846 | 1541 | "Use of -l on filehandle %" HEKf, |
10bafe90 BF |
1542 | HEKfARG(GvENAME_HEK((const GV *) |
1543 | (SvROK(sv) ? SvRV(sv) : sv)))); | |
cd22fad3 RS |
1544 | } |
1545 | file = SvPV_flags_const_nolen(sv, flags); | |
b16276bb VP |
1546 | sv_setpv(PL_statname,file); |
1547 | PL_laststatval = PerlLIO_lstat(file,&PL_statcache); | |
7cb3f959 | 1548 | if (PL_laststatval < 0 && ckWARN(WARN_NEWLINE) && should_warn_nl(file)) { |
5d37acd6 DM |
1549 | GCC_DIAG_IGNORE(-Wformat-nonliteral); /* PL_warn_nl is constant */ |
1550 | Perl_warner(aTHX_ packWARN(WARN_NEWLINE), PL_warn_nl, "lstat"); | |
1551 | GCC_DIAG_RESTORE; | |
1552 | } | |
3280af22 | 1553 | return PL_laststatval; |
c623bd54 LW |
1554 | } |
1555 | ||
a0f2c8ec JD |
1556 | static void |
1557 | S_exec_failed(pTHX_ const char *cmd, int fd, int do_report) | |
1558 | { | |
1559 | const int e = errno; | |
7918f24d | 1560 | PERL_ARGS_ASSERT_EXEC_FAILED; |
738ab09f AB |
1561 | |
1562 | if (ckWARN(WARN_EXEC)) | |
1563 | Perl_warner(aTHX_ packWARN(WARN_EXEC), "Can't exec \"%s\": %s", | |
1564 | cmd, Strerror(e)); | |
a0f2c8ec | 1565 | if (do_report) { |
b469f1e0 JH |
1566 | /* XXX silently ignore failures */ |
1567 | PERL_UNUSED_RESULT(PerlLIO_write(fd, (void*)&e, sizeof(int))); | |
a0f2c8ec JD |
1568 | PerlLIO_close(fd); |
1569 | } | |
1570 | } | |
1571 | ||
738ab09f | 1572 | bool |
5aaab254 | 1573 | Perl_do_aexec5(pTHX_ SV *really, SV **mark, SV **sp, |
2aa1486d | 1574 | int fd, int do_report) |
d5a9bfb0 | 1575 | { |
27da23d5 | 1576 | dVAR; |
7918f24d | 1577 | PERL_ARGS_ASSERT_DO_AEXEC5; |
e37778c2 | 1578 | #if defined(__SYMBIAN32__) || defined(__LIBCATAMOUNT__) |
cd39f2b6 JH |
1579 | Perl_croak(aTHX_ "exec? I'm not *that* kind of operating system"); |
1580 | #else | |
79072805 | 1581 | if (sp > mark) { |
360ea906 | 1582 | const char **a; |
6136c704 | 1583 | const char *tmps = NULL; |
360ea906 | 1584 | Newx(PL_Argv, sp - mark + 1, const char*); |
c3c5fad7 | 1585 | a = PL_Argv; |
890ce7af | 1586 | |
79072805 LW |
1587 | while (++mark <= sp) { |
1588 | if (*mark) | |
360ea906 | 1589 | *a++ = SvPV_nolen_const(*mark); |
a687059c LW |
1590 | else |
1591 | *a++ = ""; | |
1592 | } | |
6136c704 | 1593 | *a = NULL; |
91b2752f | 1594 | if (really) |
e62f0680 | 1595 | tmps = SvPV_nolen_const(really); |
91b2752f RG |
1596 | if ((!really && *PL_Argv[0] != '/') || |
1597 | (really && *tmps != '/')) /* will execvp use PATH? */ | |
79072805 | 1598 | TAINT_ENV(); /* testing IFS here is overkill, probably */ |
b35112e7 | 1599 | PERL_FPU_PRE_EXEC |
839a9f02 | 1600 | if (really && *tmps) { |
738ab09f | 1601 | PerlProc_execvp(tmps,EXEC_ARGV_CAST(PL_Argv)); |
839a9f02 | 1602 | } else { |
738ab09f | 1603 | PerlProc_execvp(PL_Argv[0],EXEC_ARGV_CAST(PL_Argv)); |
839a9f02 | 1604 | } |
b35112e7 | 1605 | PERL_FPU_POST_EXEC |
a0f2c8ec | 1606 | S_exec_failed(aTHX_ (really ? tmps : PL_Argv[0]), fd, do_report); |
a687059c | 1607 | } |
bee1dbe2 | 1608 | do_execfree(); |
cd39f2b6 | 1609 | #endif |
738ab09f | 1610 | return FALSE; |
a687059c LW |
1611 | } |
1612 | ||
fe14fcc3 | 1613 | void |
864dbfa3 | 1614 | Perl_do_execfree(pTHX) |
ff8e2863 | 1615 | { |
43c5f42d | 1616 | Safefree(PL_Argv); |
4608196e | 1617 | PL_Argv = NULL; |
43c5f42d | 1618 | Safefree(PL_Cmd); |
bd61b366 | 1619 | PL_Cmd = NULL; |
ff8e2863 LW |
1620 | } |
1621 | ||
9555a685 | 1622 | #ifdef PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION |
e446cec8 | 1623 | |
738ab09f | 1624 | bool |
2fbb330f | 1625 | Perl_do_exec3(pTHX_ const char *incmd, int fd, int do_report) |
e446cec8 | 1626 | { |
27da23d5 | 1627 | dVAR; |
eb578fdb KW |
1628 | const char **a; |
1629 | char *s; | |
15db3ae2 | 1630 | char *buf; |
2fbb330f | 1631 | char *cmd; |
2fbb330f | 1632 | /* Make a copy so we can change it */ |
6fca0082 | 1633 | const Size_t cmdlen = strlen(incmd) + 1; |
7918f24d NC |
1634 | |
1635 | PERL_ARGS_ASSERT_DO_EXEC3; | |
1636 | ||
15db3ae2 DM |
1637 | Newx(buf, cmdlen, char); |
1638 | cmd = buf; | |
cfff9797 | 1639 | memcpy(cmd, incmd, cmdlen); |
a687059c | 1640 | |
748a9306 LW |
1641 | while (*cmd && isSPACE(*cmd)) |
1642 | cmd++; | |
1643 | ||
a687059c LW |
1644 | /* save an extra exec if possible */ |
1645 | ||
bf38876a | 1646 | #ifdef CSH |
d05c1ba0 | 1647 | { |
0c19750d | 1648 | char flags[PERL_FLAGS_MAX]; |
d05c1ba0 | 1649 | if (strnEQ(cmd,PL_cshname,PL_cshlen) && |
8062ff11 | 1650 | strEQs(cmd+PL_cshlen," -c")) { |
28f0d0ec | 1651 | my_strlcpy(flags, "-c", PERL_FLAGS_MAX); |
d05c1ba0 JH |
1652 | s = cmd+PL_cshlen+3; |
1653 | if (*s == 'f') { | |
1654 | s++; | |
28f0d0ec | 1655 | my_strlcat(flags, "f", PERL_FLAGS_MAX - 2); |
d05c1ba0 JH |
1656 | } |
1657 | if (*s == ' ') | |
1658 | s++; | |
1659 | if (*s++ == '\'') { | |
0bcc34c2 | 1660 | char * const ncmd = s; |
d05c1ba0 JH |
1661 | |
1662 | while (*s) | |
1663 | s++; | |
1664 | if (s[-1] == '\n') | |
1665 | *--s = '\0'; | |
1666 | if (s[-1] == '\'') { | |
1667 | *--s = '\0'; | |
b35112e7 | 1668 | PERL_FPU_PRE_EXEC |
738ab09f | 1669 | PerlProc_execl(PL_cshname, "csh", flags, ncmd, (char*)NULL); |
b35112e7 | 1670 | PERL_FPU_POST_EXEC |
d05c1ba0 | 1671 | *s = '\''; |
a0f2c8ec | 1672 | S_exec_failed(aTHX_ PL_cshname, fd, do_report); |
15db3ae2 | 1673 | Safefree(buf); |
738ab09f | 1674 | return FALSE; |
d05c1ba0 JH |
1675 | } |
1676 | } | |
a687059c LW |
1677 | } |
1678 | } | |
bf38876a | 1679 | #endif /* CSH */ |
a687059c LW |
1680 | |
1681 | /* see if there are shell metacharacters in it */ | |
1682 | ||
748a9306 LW |
1683 | if (*cmd == '.' && isSPACE(cmd[1])) |
1684 | goto doshell; | |
1685 | ||
8062ff11 | 1686 | if (strEQs(cmd,"exec") && isSPACE(cmd[4])) |
748a9306 LW |
1687 | goto doshell; |
1688 | ||
294b3b39 | 1689 | s = cmd; |
0eb30aeb | 1690 | while (isWORDCHAR(*s)) |
294b3b39 | 1691 | s++; /* catch VAR=val gizmo */ |
63f2c1e1 LW |
1692 | if (*s == '=') |
1693 | goto doshell; | |
748a9306 | 1694 | |
a687059c | 1695 | for (s = cmd; *s; s++) { |
d05c1ba0 JH |
1696 | if (*s != ' ' && !isALPHA(*s) && |
1697 | strchr("$&*(){}[]'\";\\|?<>~`\n",*s)) { | |
a687059c LW |
1698 | if (*s == '\n' && !s[1]) { |
1699 | *s = '\0'; | |
1700 | break; | |
1701 | } | |
603a98b0 IZ |
1702 | /* handle the 2>&1 construct at the end */ |
1703 | if (*s == '>' && s[1] == '&' && s[2] == '1' | |
1704 | && s > cmd + 1 && s[-1] == '2' && isSPACE(s[-2]) | |
1705 | && (!s[3] || isSPACE(s[3]))) | |
1706 | { | |
6867be6d | 1707 | const char *t = s + 3; |
603a98b0 IZ |
1708 | |
1709 | while (*t && isSPACE(*t)) | |
1710 | ++t; | |
943bbd07 | 1711 | if (!*t && (PerlLIO_dup2(1,2) != -1)) { |
603a98b0 IZ |
1712 | s[-2] = '\0'; |
1713 | break; | |
1714 | } | |
1715 | } | |
a687059c | 1716 | doshell: |
b35112e7 | 1717 | PERL_FPU_PRE_EXEC |
738ab09f | 1718 | PerlProc_execl(PL_sh_path, "sh", "-c", cmd, (char *)NULL); |
b35112e7 | 1719 | PERL_FPU_POST_EXEC |
a0f2c8ec | 1720 | S_exec_failed(aTHX_ PL_sh_path, fd, do_report); |
15db3ae2 | 1721 | Safefree(buf); |
738ab09f | 1722 | return FALSE; |
a687059c LW |
1723 | } |
1724 | } | |
748a9306 | 1725 | |
360ea906 | 1726 | Newx(PL_Argv, (s - cmd) / 2 + 2, const char*); |
3280af22 NIS |
1727 | PL_Cmd = savepvn(cmd, s-cmd); |
1728 | a = PL_Argv; | |
1729 | for (s = PL_Cmd; *s;) { | |
294b3b39 AL |
1730 | while (isSPACE(*s)) |
1731 | s++; | |
a687059c LW |
1732 | if (*s) |
1733 | *(a++) = s; | |
294b3b39 AL |
1734 | while (*s && !isSPACE(*s)) |
1735 | s++; | |
a687059c LW |
1736 | if (*s) |
1737 | *s++ = '\0'; | |
1738 | } | |
6136c704 | 1739 | *a = NULL; |
3280af22 | 1740 | if (PL_Argv[0]) { |
b35112e7 | 1741 | PERL_FPU_PRE_EXEC |
738ab09f | 1742 | PerlProc_execvp(PL_Argv[0],EXEC_ARGV_CAST(PL_Argv)); |
b35112e7 | 1743 | PERL_FPU_POST_EXEC |
b1248f16 | 1744 | if (errno == ENOEXEC) { /* for system V NIH syndrome */ |
ff8e2863 | 1745 | do_execfree(); |
a687059c | 1746 | goto doshell; |
b1248f16 | 1747 | } |
a0f2c8ec | 1748 | S_exec_failed(aTHX_ PL_Argv[0], fd, do_report); |
a687059c | 1749 | } |
ff8e2863 | 1750 | do_execfree(); |
15db3ae2 | 1751 | Safefree(buf); |
738ab09f | 1752 | return FALSE; |
a687059c LW |
1753 | } |
1754 | ||
6890e559 | 1755 | #endif /* OS2 || WIN32 */ |
760ac839 | 1756 | |
79072805 | 1757 | I32 |
5aaab254 | 1758 | Perl_apply(pTHX_ I32 type, SV **mark, SV **sp) |
a687059c | 1759 | { |
eb578fdb KW |
1760 | I32 val; |
1761 | I32 tot = 0; | |
4634a855 | 1762 | const char *const what = PL_op_name[type]; |
5c144d81 | 1763 | const char *s; |
84c7b88c | 1764 | STRLEN len; |
890ce7af | 1765 | SV ** const oldmark = mark; |
885b4b39 | 1766 | bool killgp = FALSE; |
a687059c | 1767 | |
7918f24d NC |
1768 | PERL_ARGS_ASSERT_APPLY; |
1769 | ||
9a9b5ec9 DM |
1770 | PERL_UNUSED_VAR(what); /* may not be used depending on compile options */ |
1771 | ||
1444765e NC |
1772 | /* Doing this ahead of the switch statement preserves the old behaviour, |
1773 | where attempting to use kill as a taint test test would fail on | |
1774 | platforms where kill was not defined. */ | |
1775 | #ifndef HAS_KILL | |
1776 | if (type == OP_KILL) | |
4634a855 | 1777 | Perl_die(aTHX_ PL_no_func, what); |
1444765e NC |
1778 | #endif |
1779 | #ifndef HAS_CHOWN | |
1780 | if (type == OP_CHOWN) | |
4634a855 | 1781 | Perl_die(aTHX_ PL_no_func, what); |
1444765e NC |
1782 | #endif |
1783 | ||
1784 | ||
20408e3c | 1785 | #define APPLY_TAINT_PROPER() \ |
3280af22 | 1786 | STMT_START { \ |
284167a5 | 1787 | if (TAINT_get) { TAINT_PROPER(what); } \ |
873ef191 | 1788 | } STMT_END |
20408e3c GS |
1789 | |
1790 | /* This is a first heuristic; it doesn't catch tainting magic. */ | |
284167a5 | 1791 | if (TAINTING_get) { |
463ee0b2 | 1792 | while (++mark <= sp) { |
bbce6d69 | 1793 | if (SvTAINTED(*mark)) { |
1794 | TAINT; | |
1795 | break; | |
1796 | } | |
463ee0b2 LW |
1797 | } |
1798 | mark = oldmark; | |
1799 | } | |
a687059c | 1800 | switch (type) { |
79072805 | 1801 | case OP_CHMOD: |
20408e3c | 1802 | APPLY_TAINT_PROPER(); |
79072805 | 1803 | if (++mark <= sp) { |
4ea561bc | 1804 | val = SvIV(*mark); |
20408e3c GS |
1805 | APPLY_TAINT_PROPER(); |
1806 | tot = sp - mark; | |
79072805 | 1807 | while (++mark <= sp) { |
c4aca7d0 | 1808 | GV* gv; |
2ea1cce7 | 1809 | if ((gv = MAYBE_DEREF_GV(*mark))) { |
c4aca7d0 GA |
1810 | if (GvIO(gv) && IoIFP(GvIOp(gv))) { |
1811 | #ifdef HAS_FCHMOD | |
375ed12a | 1812 | int fd = PerlIO_fileno(IoIFP(GvIOn(gv))); |
c4aca7d0 | 1813 | APPLY_TAINT_PROPER(); |
375ed12a JH |
1814 | if (fd < 0) { |
1815 | SETERRNO(EBADF,RMS_IFI); | |
1816 | tot--; | |
1817 | } else if (fchmod(fd, val)) | |
1818 | tot--; | |
c4aca7d0 | 1819 | #else |
b9c6780e | 1820 | Perl_die(aTHX_ PL_no_func, "fchmod"); |
c4aca7d0 GA |
1821 | #endif |
1822 | } | |
1823 | else { | |
8334cae6 | 1824 | SETERRNO(EBADF,RMS_IFI); |
c4aca7d0 GA |
1825 | tot--; |
1826 | } | |
1827 | } | |
c4aca7d0 | 1828 | else { |
41188aa0 | 1829 | const char *name = SvPV_nomg_const(*mark, len); |
c4aca7d0 | 1830 | APPLY_TAINT_PROPER(); |
41188aa0 | 1831 | if (!IS_SAFE_PATHNAME(name, len, "chmod") || |
c8028aa6 TC |
1832 | PerlLIO_chmod(name, val)) { |
1833 | tot--; | |
1834 | } | |
c4aca7d0 | 1835 | } |
a687059c LW |
1836 | } |
1837 | } | |
1838 | break; | |
fe14fcc3 | 1839 | #ifdef HAS_CHOWN |
79072805 | 1840 | case OP_CHOWN: |
20408e3c | 1841 | APPLY_TAINT_PROPER(); |
79072805 | 1842 | if (sp - mark > 2) { |
eb578fdb | 1843 | I32 val2; |
463ee0b2 LW |
1844 | val = SvIVx(*++mark); |
1845 | val2 = SvIVx(*++mark); | |
20408e3c | 1846 | APPLY_TAINT_PROPER(); |
a0d0e21e | 1847 | tot = sp - mark; |
79072805 | 1848 | while (++mark <= sp) { |
c4aca7d0 | 1849 | GV* gv; |
2ea1cce7 | 1850 | if ((gv = MAYBE_DEREF_GV(*mark))) { |
c4aca7d0 GA |
1851 | if (GvIO(gv) && IoIFP(GvIOp(gv))) { |
1852 | #ifdef HAS_FCHOWN | |
375ed12a | 1853 | int fd = PerlIO_fileno(IoIFP(GvIOn(gv))); |
c4aca7d0 | 1854 | APPLY_TAINT_PROPER(); |
375ed12a | 1855 | if (fd < 0) { |
dd1dbff0 | 1856 | SETERRNO(EBADF,RMS_IFI); |
f95ba548 | 1857 | tot--; |
375ed12a | 1858 | } else if (fchown(fd, val, val2)) |
c4aca7d0 GA |
1859 | tot--; |
1860 | #else | |
b9c6780e | 1861 | Perl_die(aTHX_ PL_no_func, "fchown"); |
c4aca7d0 GA |
1862 | #endif |
1863 | } | |
1864 | else { | |
8334cae6 | 1865 | SETERRNO(EBADF,RMS_IFI); |
c4aca7d0 GA |
1866 | tot--; |
1867 | } | |
1868 | } | |
c4aca7d0 | 1869 | else { |
41188aa0 | 1870 | const char *name = SvPV_nomg_const(*mark, len); |
c4aca7d0 | 1871 | APPLY_TAINT_PROPER(); |
41188aa0 | 1872 | if (!IS_SAFE_PATHNAME(name, len, "chown") || |
c8028aa6 | 1873 | PerlLIO_chown(name, val, val2)) { |
c4aca7d0 | 1874 | tot--; |
c8028aa6 | 1875 | } |
c4aca7d0 | 1876 | } |
a687059c LW |
1877 | } |
1878 | } | |
1879 | break; | |
b1248f16 | 1880 | #endif |
a1d180c4 | 1881 | /* |
dd64f1c3 AD |
1882 | XXX Should we make lchown() directly available from perl? |
1883 | For now, we'll let Configure test for HAS_LCHOWN, but do | |
1884 | nothing in the core. | |
1885 | --AD 5/1998 | |
1886 | */ | |
fe14fcc3 | 1887 | #ifdef HAS_KILL |
79072805 | 1888 | case OP_KILL: |
20408e3c | 1889 | APPLY_TAINT_PROPER(); |
55497cff | 1890 | if (mark == sp) |
1891 | break; | |
84c7b88c | 1892 | s = SvPVx_const(*++mark, len); |
c2fd40cb DM |
1893 | if (*s == '-' && isALPHA(s[1])) |
1894 | { | |
1895 | s++; | |
1896 | len--; | |
885b4b39 | 1897 | killgp = TRUE; |
c2fd40cb | 1898 | } |
e02bfb16 | 1899 | if (isALPHA(*s)) { |
84c7b88c | 1900 | if (*s == 'S' && s[1] == 'I' && s[2] == 'G') { |
79072805 | 1901 | s += 3; |
84c7b88c BF |
1902 | len -= 3; |
1903 | } | |
1904 | if ((val = whichsig_pvn(s, len)) < 0) | |
147e3846 KW |
1905 | Perl_croak(aTHX_ "Unrecognized signal name \"%" SVf "\"", |
1906 | SVfARG(*mark)); | |
79072805 LW |
1907 | } |
1908 | else | |
c2fd40cb | 1909 | { |
4ea561bc | 1910 | val = SvIV(*mark); |
c2fd40cb DM |
1911 | if (val < 0) |
1912 | { | |
885b4b39 | 1913 | killgp = TRUE; |
c2fd40cb DM |
1914 | val = -val; |
1915 | } | |
1916 | } | |
20408e3c GS |
1917 | APPLY_TAINT_PROPER(); |
1918 | tot = sp - mark; | |
fbcd93f0 | 1919 | |
c2fd40cb | 1920 | while (++mark <= sp) { |
60082291 | 1921 | Pid_t proc; |
c2fd40cb | 1922 | SvGETMAGIC(*mark); |
60082291 | 1923 | if (!(SvNIOK(*mark) || looks_like_number(*mark))) |
c2fd40cb DM |
1924 | Perl_croak(aTHX_ "Can't kill a non-numeric process ID"); |
1925 | proc = SvIV_nomg(*mark); | |
c2fd40cb | 1926 | APPLY_TAINT_PROPER(); |
111f73b5 DM |
1927 | #ifdef HAS_KILLPG |
1928 | /* use killpg in preference, as the killpg() wrapper for Win32 | |
1929 | * understands process groups, but the kill() wrapper doesn't */ | |
1930 | if (killgp ? PerlProc_killpg(proc, val) | |
1931 | : PerlProc_kill(proc, val)) | |
1932 | #else | |
1933 | if (PerlProc_kill(killgp ? -proc: proc, val)) | |
1934 | #endif | |
c2fd40cb | 1935 | tot--; |
a687059c | 1936 | } |
8165faea | 1937 | PERL_ASYNC_CHECK(); |
a687059c | 1938 | break; |
b1248f16 | 1939 | #endif |
79072805 | 1940 | case OP_UNLINK: |
20408e3c | 1941 | APPLY_TAINT_PROPER(); |
79072805 LW |
1942 | tot = sp - mark; |
1943 | while (++mark <= sp) { | |
41188aa0 | 1944 | s = SvPV_const(*mark, len); |
20408e3c | 1945 | APPLY_TAINT_PROPER(); |
41188aa0 | 1946 | if (!IS_SAFE_PATHNAME(s, len, "unlink")) { |
c8028aa6 TC |
1947 | tot--; |
1948 | } | |
f0d85c30 | 1949 | else if (PL_unsafe) { |
b8ffc8df | 1950 | if (UNLINK(s)) |
5cdd1fc2 | 1951 | { |
a687059c | 1952 | tot--; |
5cdd1fc2 AB |
1953 | } |
1954 | #if defined(__amigaos4__) && defined(NEWLIB) | |
1955 | else | |
1956 | { | |
1957 | /* Under AmigaOS4 unlink only 'fails' if the | |
1958 | * filename is invalid. It may not remove the file | |
1959 | * if it's locked, so check if it's still around. */ | |
1960 | if ((access(s,F_OK) != -1)) | |
1961 | { | |
1962 | tot--; | |
1963 | } | |
1964 | } | |
1965 | #endif | |
a687059c LW |
1966 | } |
1967 | else { /* don't let root wipe out directories without -U */ | |
45a23732 DD |
1968 | Stat_t statbuf; |
1969 | if (PerlLIO_lstat(s, &statbuf) < 0) | |
1dcae8b8 | 1970 | tot--; |
45a23732 | 1971 | else if (S_ISDIR(statbuf.st_mode)) { |
cd52bc19 | 1972 | SETERRNO(EISDIR, SS_NOPRIV); |
45a23732 | 1973 | tot--; |
1dcae8b8 | 1974 | } |
a687059c | 1975 | else { |
b8ffc8df | 1976 | if (UNLINK(s)) |
5cdd1fc2 AB |
1977 | { |
1978 | tot--; | |
1979 | } | |
1980 | #if defined(__amigaos4__) && defined(NEWLIB) | |
1981 | else | |
1982 | { | |
1983 | /* Under AmigaOS4 unlink only 'fails' if the filename is invalid */ | |
1984 | /* It may not remove the file if it's Locked, so check if it's still */ | |
1985 | /* arround */ | |
1986 | if((access(s,F_OK) != -1)) | |
1987 | { | |
1988 | tot--; | |
1989 | } | |
1990 | } | |
1991 | #endif | |
a687059c LW |
1992 | } |
1993 | } | |
1994 | } | |
1995 | break; | |
e96b369d | 1996 | #if defined(HAS_UTIME) || defined(HAS_FUTIMES) |
79072805 | 1997 | case OP_UTIME: |
20408e3c | 1998 | APPLY_TAINT_PROPER(); |
79072805 | 1999 | if (sp - mark > 2) { |
e96b369d GA |
2000 | #if defined(HAS_FUTIMES) |
2001 | struct timeval utbuf[2]; | |
2002 | void *utbufp = utbuf; | |
2003 | #elif defined(I_UTIME) || defined(VMS) | |
663a0e37 | 2004 | struct utimbuf utbuf; |
07409e01 | 2005 | struct utimbuf *utbufp = &utbuf; |
663a0e37 | 2006 | #else |
a687059c | 2007 | struct { |
dd2821f6 GS |
2008 | Time_t actime; |
2009 | Time_t modtime; | |
a687059c | 2010 | } utbuf; |
07409e01 | 2011 | void *utbufp = &utbuf; |
663a0e37 | 2012 | #endif |
a687059c | 2013 | |
0bcc34c2 AL |
2014 | SV* const accessed = *++mark; |
2015 | SV* const modified = *++mark; | |
c6f7b413 | 2016 | |
6ec06612 SB |
2017 | /* Be like C, and if both times are undefined, let the C |
2018 | * library figure out what to do. This usually means | |
2019 | * "current time". */ | |
c6f7b413 RS |
2020 | |
2021 | if ( accessed == &PL_sv_undef && modified == &PL_sv_undef ) | |
6ec06612 SB |
2022 | utbufp = NULL; |
2023 | else { | |
2024 | Zero(&utbuf, sizeof utbuf, char); | |
e96b369d | 2025 | #ifdef HAS_FUTIMES |
4ea561bc | 2026 | utbuf[0].tv_sec = (long)SvIV(accessed); /* time accessed */ |
e96b369d | 2027 | utbuf[0].tv_usec = 0; |
4ea561bc | 2028 | utbuf[1].tv_sec = (long)SvIV(modified); /* time modified */ |
e96b369d GA |
2029 | utbuf[1].tv_usec = 0; |
2030 | #elif defined(BIG_TIME) | |
4ea561bc NC |
2031 | utbuf.actime = (Time_t)SvNV(accessed); /* time accessed */ |
2032 | utbuf.modtime = (Time_t)SvNV(modified); /* time modified */ | |
517844ec | 2033 | #else |
4ea561bc NC |
2034 | utbuf.actime = (Time_t)SvIV(accessed); /* time accessed */ |
2035 | utbuf.modtime = (Time_t)SvIV(modified); /* time modified */ | |
517844ec | 2036 | #endif |
6ec06612 | 2037 | } |
4373e329 | 2038 | APPLY_TAINT_PROPER(); |
79072805 LW |
2039 | tot = sp - mark; |
2040 | while (++mark <= sp) { | |
e96b369d | 2041 | GV* gv; |
64617da9 | 2042 | if ((gv = MAYBE_DEREF_GV(*mark))) { |
e96b369d GA |
2043 | if (GvIO(gv) && IoIFP(GvIOp(gv))) { |
2044 | #ifdef HAS_FUTIMES | |
375ed12a | 2045 | int fd = PerlIO_fileno(IoIFP(GvIOn(gv))); |
e96b369d | 2046 | APPLY_TAINT_PROPER(); |
375ed12a JH |
2047 | if (fd < 0) { |
2048 | SETERRNO(EBADF,RMS_IFI); | |
2049 | tot--; | |
2050 | } else if (futimes(fd, (struct timeval *) utbufp)) | |
e96b369d GA |
2051 | tot--; |
2052 | #else | |
2053 | Perl_die(aTHX_ PL_no_func, "futimes"); | |
2054 | #endif | |
2055 | } | |
2056 | else { | |
2057 | tot--; | |
2058 | } | |
2059 | } | |
e96b369d | 2060 | else { |
41188aa0 | 2061 | const char * const name = SvPV_nomg_const(*mark, len); |
e96b369d | 2062 | APPLY_TAINT_PROPER(); |
41188aa0 | 2063 | if (!IS_SAFE_PATHNAME(name, len, "utime")) { |
c8028aa6 TC |
2064 | tot--; |
2065 | } | |
2066 | else | |
e96b369d | 2067 | #ifdef HAS_FUTIMES |
8b7231d9 | 2068 | if (utimes(name, (struct timeval *)utbufp)) |
e96b369d GA |
2069 | #else |
2070 | if (PerlLIO_utime(name, utbufp)) | |
2071 | #endif | |
2072 | tot--; | |
2073 | } | |
2074 | ||
a687059c | 2075 | } |
a687059c LW |
2076 | } |
2077 | else | |
79072805 | 2078 | tot = 0; |
a687059c | 2079 | break; |
a0d0e21e | 2080 | #endif |
a687059c LW |
2081 | } |
2082 | return tot; | |
20408e3c | 2083 | |
20408e3c | 2084 | #undef APPLY_TAINT_PROPER |
a687059c LW |
2085 | } |
2086 | ||
bd93adf5 | 2087 | /* Do the permissions in *statbufp allow some operation? */ |
a0d0e21e | 2088 | #ifndef VMS /* VMS' cando is in vms.c */ |
7f4774ae | 2089 | bool |
5aaab254 | 2090 | Perl_cando(pTHX_ Mode_t mode, bool effective, const Stat_t *statbufp) |
ae1951c1 NC |
2091 | /* effective is a flag, true for EUID, or for checking if the effective gid |
2092 | * is in the list of groups returned from getgroups(). | |
2093 | */ | |
a687059c | 2094 | { |
7918f24d | 2095 | PERL_ARGS_ASSERT_CANDO; |
81611534 | 2096 | PERL_UNUSED_CONTEXT; |
7918f24d | 2097 | |
bee1dbe2 | 2098 | #ifdef DOSISH |
fe14fcc3 LW |
2099 | /* [Comments and code from Len Reed] |
2100 | * MS-DOS "user" is similar to UNIX's "superuser," but can't write | |
2101 | * to write-protected files. The execute permission bit is set | |
486ec47a | 2102 | * by the Microsoft C library stat() function for the following: |
fe14fcc3 LW |
2103 | * .exe files |
2104 | * .com files | |
2105 | * .bat files | |
2106 | * directories | |
2107 | * All files and directories are readable. | |
2108 | * Directories and special files, e.g. "CON", cannot be | |
2109 | * write-protected. | |
2110 | * [Comment by Tom Dinger -- a directory can have the write-protect | |
2111 | * bit set in the file system, but DOS permits changes to | |
2112 | * the directory anyway. In addition, all bets are off | |
2113 | * here for networked software, such as Novell and | |
2114 | * Sun's PC-NFS.] | |
2115 | */ | |
2116 | ||
bee1dbe2 LW |
2117 | /* Atari stat() does pretty much the same thing. we set x_bit_set_in_stat |
2118 | * too so it will actually look into the files for magic numbers | |
2119 | */ | |
8298454c | 2120 | return cBOOL(mode & statbufp->st_mode); |
fe14fcc3 | 2121 | |
55497cff | 2122 | #else /* ! DOSISH */ |
b595cd4b RU |
2123 | # ifdef __CYGWIN__ |
2124 | if (ingroup(544,effective)) { /* member of Administrators */ | |
2125 | # else | |
985213f2 | 2126 | if ((effective ? PerlProc_geteuid() : PerlProc_getuid()) == 0) { /* root is special */ |
b595cd4b | 2127 | # endif |
7f4774ae | 2128 | if (mode == S_IXUSR) { |
c623bd54 | 2129 | if (statbufp->st_mode & 0111 || S_ISDIR(statbufp->st_mode)) |
a687059c LW |
2130 | return TRUE; |
2131 | } | |
2132 | else | |
2133 | return TRUE; /* root reads and writes anything */ | |
2134 | return FALSE; | |
2135 | } | |
985213f2 | 2136 | if (statbufp->st_uid == (effective ? PerlProc_geteuid() : PerlProc_getuid()) ) { |
7f4774ae | 2137 | if (statbufp->st_mode & mode) |
a687059c LW |
2138 | return TRUE; /* ok as "user" */ |
2139 | } | |
d8eceb89 | 2140 | else if (ingroup(statbufp->st_gid,effective)) { |
7f4774ae | 2141 | if (statbufp->st_mode & mode >> 3) |
a687059c LW |
2142 | return TRUE; /* ok as "group" */ |
2143 | } | |
7f4774ae | 2144 | else if (statbufp->st_mode & mode >> 6) |
a687059c LW |
2145 | return TRUE; /* ok as "other" */ |
2146 | return FALSE; | |
55497cff | 2147 | #endif /* ! DOSISH */ |
a687059c | 2148 | } |
a0d0e21e | 2149 | #endif /* ! VMS */ |
a687059c | 2150 | |
1f676739 | 2151 | static bool |
0da8eb3a | 2152 | S_ingroup(pTHX_ Gid_t testgid, bool effective) |
a687059c | 2153 | { |
81611534 JH |
2154 | #ifndef PERL_IMPLICIT_SYS |
2155 | /* PERL_IMPLICIT_SYS like Win32: getegid() etc. require the context. */ | |
2156 | PERL_UNUSED_CONTEXT; | |
2157 | #endif | |
985213f2 | 2158 | if (testgid == (effective ? PerlProc_getegid() : PerlProc_getgid())) |
a687059c | 2159 | return TRUE; |
fe14fcc3 | 2160 | #ifdef HAS_GETGROUPS |
a687059c | 2161 | { |
331b57bc | 2162 | Groups_t *gary = NULL; |
79072805 | 2163 | I32 anum; |
331b57bc | 2164 | bool rc = FALSE; |
a687059c | 2165 | |
331b57bc | 2166 | anum = getgroups(0, gary); |
375ed12a JH |
2167 | if (anum > 0) { |
2168 | Newx(gary, anum, Groups_t); | |
2169 | anum = getgroups(anum, gary); | |
2170 | while (--anum >= 0) | |
2171 | if (gary[anum] == testgid) { | |
2172 | rc = TRUE; | |
2173 | break; | |
2174 | } | |
331b57bc | 2175 | |
375ed12a JH |
2176 | Safefree(gary); |
2177 | } | |
331b57bc | 2178 | return rc; |
a687059c | 2179 | } |
c685562b | 2180 | #else |
a687059c | 2181 | return FALSE; |
cd39f2b6 | 2182 | #endif |
a687059c | 2183 | } |
c2ab57d4 | 2184 | |
fe14fcc3 | 2185 | #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM) |
c2ab57d4 | 2186 | |
79072805 | 2187 | I32 |
864dbfa3 | 2188 | Perl_do_ipcget(pTHX_ I32 optype, SV **mark, SV **sp) |
c2ab57d4 | 2189 | { |
0bcc34c2 | 2190 | const key_t key = (key_t)SvNVx(*++mark); |
c3312966 | 2191 | SV *nsv = optype == OP_MSGGET ? NULL : *++mark; |
6867be6d | 2192 | const I32 flags = SvIVx(*++mark); |
294a48e9 | 2193 | |
7918f24d | 2194 | PERL_ARGS_ASSERT_DO_IPCGET; |
294a48e9 | 2195 | PERL_UNUSED_ARG(sp); |
c2ab57d4 | 2196 | |
748a9306 | 2197 | SETERRNO(0,0); |
c2ab57d4 LW |
2198 | switch (optype) |
2199 | { | |
fe14fcc3 | 2200 | #ifdef HAS_MSG |
79072805 | 2201 | case OP_MSGGET: |
c2ab57d4 | 2202 | return msgget(key, flags); |
e5d73d77 | 2203 | #endif |
fe14fcc3 | 2204 | #ifdef HAS_SEM |
79072805 | 2205 | case OP_SEMGET: |
c3312966 | 2206 | return semget(key, (int) SvIV(nsv), flags); |
e5d73d77 | 2207 | #endif |
fe14fcc3 | 2208 | #ifdef HAS_SHM |
79072805 | 2209 | case OP_SHMGET: |
c3312966 | 2210 | return shmget(key, (size_t) SvUV(nsv), flags); |
e5d73d77 | 2211 | #endif |
fe14fcc3 | 2212 | #if !defined(HAS_MSG) || !defined(HAS_SEM) || !defined(HAS_SHM) |
e5d73d77 | 2213 | default: |
fe13d51d | 2214 | /* diag_listed_as: msg%s not implemented */ |
cea2e8a9 | 2215 | Perl_croak(aTHX_ "%s not implemented", PL_op_desc[optype]); |
e5d73d77 | 2216 | #endif |
c2ab57d4 LW |
2217 | } |
2218 | return -1; /* should never happen */ | |
2219 | } | |
2220 | ||
79072805 | 2221 | I32 |
864dbfa3 | 2222 | Perl_do_ipcctl(pTHX_ I32 optype, SV **mark, SV **sp) |
c2ab57d4 | 2223 | { |
c2ab57d4 | 2224 | char *a; |
a0d0e21e | 2225 | I32 ret = -1; |
6867be6d | 2226 | const I32 id = SvIVx(*++mark); |
95b63a38 | 2227 | #ifdef Semctl |
6867be6d | 2228 | const I32 n = (optype == OP_SEMCTL) ? SvIVx(*++mark) : 0; |
95b63a38 | 2229 | #endif |
6867be6d | 2230 | const I32 cmd = SvIVx(*++mark); |
0bcc34c2 AL |
2231 | SV * const astr = *++mark; |
2232 | STRLEN infosize = 0; | |
2233 | I32 getinfo = (cmd == IPC_STAT); | |
c2ab57d4 | 2234 | |
7918f24d | 2235 | PERL_ARGS_ASSERT_DO_IPCCTL; |
0bcc34c2 | 2236 | PERL_UNUSED_ARG(sp); |
c2ab57d4 LW |
2237 | |
2238 | switch (optype) | |
2239 | { | |
fe14fcc3 | 2240 | #ifdef HAS_MSG |
79072805 | 2241 | case OP_MSGCTL: |
c2ab57d4 LW |
2242 | if (cmd == IPC_STAT || cmd == IPC_SET) |
2243 | infosize = sizeof(struct msqid_ds); | |
2244 | break; | |
e5d73d77 | 2245 | #endif |
fe14fcc3 | 2246 | #ifdef HAS_SHM |
79072805 | 2247 | case OP_SHMCTL: |
c2ab57d4 LW |
2248 | if (cmd == IPC_STAT || cmd == IPC_SET) |
2249 | infosize = sizeof(struct shmid_ds); | |
2250 | break; | |
e5d73d77 | 2251 | #endif |
fe14fcc3 | 2252 | #ifdef HAS_SEM |
79072805 | 2253 | case OP_SEMCTL: |
39398f3f | 2254 | #ifdef Semctl |
c2ab57d4 LW |
2255 | if (cmd == IPC_STAT || cmd == IPC_SET) |
2256 | infosize = sizeof(struct semid_ds); | |
2257 | else if (cmd == GETALL || cmd == SETALL) | |
2258 | { | |
8e591e46 | 2259 | struct semid_ds semds; |
bd89102f | 2260 | union semun semun; |
e6f0bdd6 GS |
2261 | #ifdef EXTRA_F_IN_SEMUN_BUF |
2262 | semun.buff = &semds; | |
2263 | #else | |
84902520 | 2264 | semun.buf = &semds; |
e6f0bdd6 | 2265 | #endif |
c2ab57d4 | 2266 | getinfo = (cmd == GETALL); |
9b89d93d GB |
2267 | if (Semctl(id, 0, IPC_STAT, semun) == -1) |
2268 | return -1; | |
6e21c824 LW |
2269 | infosize = semds.sem_nsems * sizeof(short); |
2270 | /* "short" is technically wrong but much more portable | |
2271 | than guessing about u_?short(_t)? */ | |
c2ab57d4 | 2272 | } |
39398f3f | 2273 | #else |
fe13d51d | 2274 | /* diag_listed_as: sem%s not implemented */ |
cea2e8a9 | 2275 | Perl_croak(aTHX_ "%s not implemented", PL_op_desc[optype]); |
39398f3f | 2276 | #endif |
c2ab57d4 | 2277 | break; |
e5d73d77 | 2278 | #endif |
fe14fcc3 | 2279 | #if !defined(HAS_MSG) || !defined(HAS_SEM) || !defined(HAS_SHM) |
e5d73d77 | 2280 | default: |
fe13d51d | 2281 | /* diag_listed_as: shm%s not implemented */ |
cea2e8a9 | 2282 | Perl_croak(aTHX_ "%s not implemented", PL_op_desc[optype]); |
e5d73d77 | 2283 | #endif |
c2ab57d4 LW |
2284 | } |
2285 | ||
2286 | if (infosize) | |
2287 | { | |
2288 | if (getinfo) | |
2289 | { | |
93524f2b | 2290 | SvPV_force_nolen(astr); |
a0d0e21e | 2291 | a = SvGROW(astr, infosize+1); |
c2ab57d4 LW |
2292 | } |
2293 | else | |
2294 | { | |
93524f2b | 2295 | STRLEN len; |
463ee0b2 LW |
2296 | a = SvPV(astr, len); |
2297 | if (len != infosize) | |
cea2e8a9 | 2298 | Perl_croak(aTHX_ "Bad arg length for %s, is %lu, should be %ld", |
4ec43091 JH |
2299 | PL_op_desc[optype], |
2300 | (unsigned long)len, | |
2301 | (long)infosize); | |
c2ab57d4 LW |
2302 | } |
2303 | } | |
2304 | else | |
2305 | { | |
0bcc34c2 | 2306 | const IV i = SvIV(astr); |
56431972 | 2307 | a = INT2PTR(char *,i); /* ouch */ |
c2ab57d4 | 2308 | } |
748a9306 | 2309 | SETERRNO(0,0); |
c2ab57d4 LW |
2310 | switch (optype) |
2311 | { | |
fe14fcc3 | 2312 | #ifdef HAS_MSG |
79072805 | 2313 | case OP_MSGCTL: |
bee1dbe2 | 2314 | ret = msgctl(id, cmd, (struct msqid_ds *)a); |
c2ab57d4 | 2315 | break; |
e5d73d77 | 2316 | #endif |
fe14fcc3 | 2317 | #ifdef HAS_SEM |
bd89102f | 2318 | case OP_SEMCTL: { |
39398f3f | 2319 | #ifdef Semctl |
bd89102f AD |
2320 | union semun unsemds; |
2321 | ||
64d76282 BC |
2322 | if(cmd == SETVAL) { |
2323 | unsemds.val = PTR2nat(a); | |
2324 | } | |
2325 | else { | |
e6f0bdd6 | 2326 | #ifdef EXTRA_F_IN_SEMUN_BUF |
64d76282 | 2327 | unsemds.buff = (struct semid_ds *)a; |
e6f0bdd6 | 2328 | #else |
64d76282 | 2329 | unsemds.buf = (struct semid_ds *)a; |
e6f0bdd6 | 2330 | #endif |
64d76282 | 2331 | } |
bd89102f | 2332 | ret = Semctl(id, n, cmd, unsemds); |
39398f3f | 2333 | #else |
fe13d51d | 2334 | /* diag_listed_as: sem%s not implemented */ |
cea2e8a9 | 2335 | Perl_croak(aTHX_ "%s not implemented", PL_op_desc[optype]); |
39398f3f | 2336 | #endif |
bd89102f | 2337 | } |
c2ab57d4 | 2338 | break; |
e5d73d77 | 2339 | #endif |
fe14fcc3 | 2340 | #ifdef HAS_SHM |
79072805 | 2341 | case OP_SHMCTL: |
bee1dbe2 | 2342 | ret = shmctl(id, cmd, (struct shmid_ds *)a); |
c2ab57d4 | 2343 | break; |
e5d73d77 | 2344 | #endif |
c2ab57d4 LW |
2345 | } |
2346 | if (getinfo && ret >= 0) { | |
79072805 LW |
2347 | SvCUR_set(astr, infosize); |
2348 | *SvEND(astr) = '\0'; | |
a0d0e21e | 2349 | SvSETMAGIC(astr); |
c2ab57d4 LW |
2350 | } |
2351 | return ret; | |
2352 | } | |
2353 | ||
79072805 | 2354 | I32 |
864dbfa3 | 2355 | Perl_do_msgsnd(pTHX_ SV **mark, SV **sp) |
c2ab57d4 | 2356 | { |
fe14fcc3 | 2357 | #ifdef HAS_MSG |
463ee0b2 | 2358 | STRLEN len; |
6867be6d | 2359 | const I32 id = SvIVx(*++mark); |
0bcc34c2 AL |
2360 | SV * const mstr = *++mark; |
2361 | const I32 flags = SvIVx(*++mark); | |
2362 | const char * const mbuf = SvPV_const(mstr, len); | |
2363 | const I32 msize = len - sizeof(long); | |
2364 | ||
7918f24d | 2365 | PERL_ARGS_ASSERT_DO_MSGSND; |
890ce7af | 2366 | PERL_UNUSED_ARG(sp); |
c2ab57d4 | 2367 | |
0bcc34c2 | 2368 | if (msize < 0) |
cea2e8a9 | 2369 | Perl_croak(aTHX_ "Arg too short for msgsnd"); |
748a9306 | 2370 | SETERRNO(0,0); |
681fb693 JH |
2371 | if (id >= 0 && flags >= 0) { |
2372 | return msgsnd(id, (struct msgbuf *)mbuf, msize, flags); | |
2373 | } else { | |
2374 | SETERRNO(EINVAL,LIB_INVARG); | |
2375 | return -1; | |
2376 | } | |
e5d73d77 | 2377 | #else |
2d51fa4d RGS |
2378 | PERL_UNUSED_ARG(sp); |
2379 | PERL_UNUSED_ARG(mark); | |
fe13d51d | 2380 | /* diag_listed_as: msg%s not implemented */ |
cea2e8a9 | 2381 | Perl_croak(aTHX_ "msgsnd not implemented"); |
7c522378 | 2382 | return -1; |
e5d73d77 | 2383 | #endif |
c2ab57d4 LW |
2384 | } |
2385 | ||
79072805 | 2386 | I32 |
864dbfa3 | 2387 | Perl_do_msgrcv(pTHX_ SV **mark, SV **sp) |
c2ab57d4 | 2388 | { |
fe14fcc3 | 2389 | #ifdef HAS_MSG |
c2ab57d4 LW |
2390 | char *mbuf; |
2391 | long mtype; | |
6867be6d | 2392 | I32 msize, flags, ret; |
6867be6d | 2393 | const I32 id = SvIVx(*++mark); |
0bcc34c2 | 2394 | SV * const mstr = *++mark; |
7918f24d NC |
2395 | |
2396 | PERL_ARGS_ASSERT_DO_MSGRCV; | |
890ce7af | 2397 | PERL_UNUSED_ARG(sp); |
79072805 | 2398 | |
c2e66d9e GS |
2399 | /* suppress warning when reading into undef var --jhi */ |
2400 | if (! SvOK(mstr)) | |
8062ff11 | 2401 | SvPVCLEAR(mstr); |
463ee0b2 LW |
2402 | msize = SvIVx(*++mark); |
2403 | mtype = (long)SvIVx(*++mark); | |
2404 | flags = SvIVx(*++mark); | |
93524f2b | 2405 | SvPV_force_nolen(mstr); |
a0d0e21e | 2406 | mbuf = SvGROW(mstr, sizeof(long)+msize+1); |
a1d180c4 | 2407 | |
748a9306 | 2408 | SETERRNO(0,0); |
d2607e1e JH |
2409 | if (id >= 0 && msize >= 0 && flags >= 0) { |
2410 | ret = msgrcv(id, (struct msgbuf *)mbuf, msize, mtype, flags); | |
2411 | } else { | |
2412 | SETERRNO(EINVAL,LIB_INVARG); | |
2413 | ret = -1; | |
2414 | } | |
c2ab57d4 | 2415 | if (ret >= 0) { |
79072805 LW |
2416 | SvCUR_set(mstr, sizeof(long)+ret); |
2417 | *SvEND(mstr) = '\0'; | |
41d6edb2 JH |
2418 | /* who knows who has been playing with this message? */ |
2419 | SvTAINTED_on(mstr); | |
c2ab57d4 LW |
2420 | } |
2421 | return ret; | |
e5d73d77 | 2422 | #else |
2d51fa4d RGS |
2423 | PERL_UNUSED_ARG(sp); |
2424 | PERL_UNUSED_ARG(mark); | |
fe13d51d | 2425 | /* diag_listed_as: msg%s not implemented */ |
cea2e8a9 | 2426 | Perl_croak(aTHX_ "msgrcv not implemented"); |
7c522378 | 2427 | return -1; |
e5d73d77 | 2428 | #endif |
c2ab57d4 LW |
2429 | } |
2430 | ||
79072805 | 2431 | I32 |
864dbfa3 | 2432 | Perl_do_semop(pTHX_ SV **mark, SV **sp) |
c2ab57d4 | 2433 | { |
fe14fcc3 | 2434 | #ifdef HAS_SEM |
463ee0b2 | 2435 | STRLEN opsize; |
6867be6d | 2436 | const I32 id = SvIVx(*++mark); |
0bcc34c2 AL |
2437 | SV * const opstr = *++mark; |
2438 | const char * const opbuf = SvPV_const(opstr, opsize); | |
7918f24d NC |
2439 | |
2440 | PERL_ARGS_ASSERT_DO_SEMOP; | |
890ce7af | 2441 | PERL_UNUSED_ARG(sp); |
c2ab57d4 | 2442 | |
248ff010 NC |
2443 | if (opsize < 3 * SHORTSIZE |
2444 | || (opsize % (3 * SHORTSIZE))) { | |
93189314 | 2445 | SETERRNO(EINVAL,LIB_INVARG); |
c2ab57d4 LW |
2446 | return -1; |
2447 | } | |
748a9306 | 2448 | SETERRNO(0,0); |
248ff010 NC |
2449 | /* We can't assume that sizeof(struct sembuf) == 3 * sizeof(short). */ |
2450 | { | |
6867be6d | 2451 | const int nsops = opsize / (3 * sizeof (short)); |
248ff010 | 2452 | int i = nsops; |
0bcc34c2 | 2453 | short * const ops = (short *) opbuf; |
248ff010 NC |
2454 | short *o = ops; |
2455 | struct sembuf *temps, *t; | |
2456 | I32 result; | |
2457 | ||
a02a5408 | 2458 | Newx (temps, nsops, struct sembuf); |
248ff010 NC |
2459 | t = temps; |
2460 | while (i--) { | |
2461 | t->sem_num = *o++; | |
2462 | t->sem_op = *o++; | |
2463 | t->sem_flg = *o++; | |
2464 | t++; | |
2465 | } | |
2466 | result = semop(id, temps, nsops); | |
248ff010 NC |
2467 | Safefree(temps); |
2468 | return result; | |
2469 | } | |
e5d73d77 | 2470 | #else |
fe13d51d | 2471 | /* diag_listed_as: sem%s not implemented */ |
cea2e8a9 | 2472 | Perl_croak(aTHX_ "semop not implemented"); |
e5d73d77 | 2473 | #endif |
c2ab57d4 LW |
2474 | } |
2475 | ||
79072805 | 2476 | I32 |
864dbfa3 | 2477 | Perl_do_shmio(pTHX_ I32 optype, SV **mark, SV **sp) |
c2ab57d4 | 2478 | { |
fe14fcc3 | 2479 | #ifdef HAS_SHM |
4373e329 | 2480 | char *shm; |
c2ab57d4 | 2481 | struct shmid_ds shmds; |
6867be6d | 2482 | const I32 id = SvIVx(*++mark); |
0bcc34c2 AL |
2483 | SV * const mstr = *++mark; |
2484 | const I32 mpos = SvIVx(*++mark); | |
2485 | const I32 msize = SvIVx(*++mark); | |
7918f24d NC |
2486 | |
2487 | PERL_ARGS_ASSERT_DO_SHMIO; | |
890ce7af | 2488 | PERL_UNUSED_ARG(sp); |
c2ab57d4 | 2489 | |
748a9306 | 2490 | SETERRNO(0,0); |
c2ab57d4 LW |
2491 | if (shmctl(id, IPC_STAT, &shmds) == -1) |
2492 | return -1; | |
7f39519f NC |
2493 | if (mpos < 0 || msize < 0 |
2494 | || (size_t)mpos + msize > (size_t)shmds.shm_segsz) { | |
93189314 | 2495 | SETERRNO(EFAULT,SS_ACCVIO); /* can't do as caller requested */ |
c2ab57d4 LW |
2496 | return -1; |
2497 | } | |
568fc267 JH |
2498 | if (id >= 0) { |
2499 | shm = (char *)shmat(id, NULL, (optype == OP_SHMREAD) ? SHM_RDONLY : 0); | |
2500 | } else { | |
2501 | SETERRNO(EINVAL,LIB_INVARG); | |
2502 | return -1; | |
2503 | } | |
c2ab57d4 LW |
2504 | if (shm == (char *)-1) /* I hate System V IPC, I really do */ |
2505 | return -1; | |
79072805 | 2506 | if (optype == OP_SHMREAD) { |
c8ae91a8 | 2507 | char *mbuf; |
9f538c04 | 2508 | /* suppress warning when reading into undef var (tchrist 3/Mar/00) */ |
b399897d CS |
2509 | SvGETMAGIC(mstr); |
2510 | SvUPGRADE(mstr, SVt_PV); | |
9f538c04 | 2511 | if (! SvOK(mstr)) |
8062ff11 | 2512 | SvPVCLEAR(mstr); |
af8ff727 | 2513 | SvPOK_only(mstr); |
bb7a0f54 | 2514 | mbuf = SvGROW(mstr, (STRLEN)msize+1); |
a0d0e21e | 2515 | |
bee1dbe2 | 2516 | Copy(shm + mpos, mbuf, msize, char); |
79072805 LW |
2517 | SvCUR_set(mstr, msize); |
2518 | *SvEND(mstr) = '\0'; | |
a0d0e21e | 2519 | SvSETMAGIC(mstr); |
d929ce6f JH |
2520 | /* who knows who has been playing with this shared memory? */ |
2521 | SvTAINTED_on(mstr); | |
c2ab57d4 LW |
2522 | } |
2523 | else { | |
93524f2b | 2524 | STRLEN len; |
c2ab57d4 | 2525 | |
93524f2b | 2526 | const char *mbuf = SvPV_const(mstr, len); |
027aa12d | 2527 | const I32 n = ((I32)len > msize) ? msize : (I32)len; |
bee1dbe2 | 2528 | Copy(mbuf, shm + mpos, n, char); |
c2ab57d4 | 2529 | if (n < msize) |
bee1dbe2 | 2530 | memzero(shm + mpos + n, msize - n); |
c2ab57d4 LW |
2531 | } |
2532 | return shmdt(shm); | |
e5d73d77 | 2533 | #else |
fe13d51d | 2534 | /* diag_listed_as: shm%s not implemented */ |
cea2e8a9 | 2535 | Perl_croak(aTHX_ "shm I/O not implemented"); |
7c522378 | 2536 | return -1; |
e5d73d77 | 2537 | #endif |
c2ab57d4 LW |
2538 | } |
2539 | ||
fe14fcc3 | 2540 | #endif /* SYSV IPC */ |
4e35701f | 2541 | |
0d44d22b | 2542 | /* |
ccfc67b7 JH |
2543 | =head1 IO Functions |
2544 | ||
0d44d22b NC |
2545 | =for apidoc start_glob |
2546 | ||
2547 | Function called by C<do_readline> to spawn a glob (or do the glob inside | |
154e47c8 | 2548 | perl on VMS). This code used to be inline, but now perl uses C<File::Glob> |
25047fde KW |
2549 | this glob starter is only used by miniperl during the build process, |
2550 | or when PERL_EXTERNAL_GLOB is defined. | |
75af9d73 | 2551 | Moving it away shrinks F<pp_hot.c>; shrinking F<pp_hot.c> helps speed perl up. |
fab3f3a7 | 2552 | |
0d44d22b NC |
2553 | =cut |
2554 | */ | |
2555 | ||
2556 | PerlIO * | |
2557 | Perl_start_glob (pTHX_ SV *tmpglob, IO *io) | |
2558 | { | |
561b68a9 | 2559 | SV * const tmpcmd = newSV(0); |
0d44d22b | 2560 | PerlIO *fp; |
41188aa0 TC |
2561 | STRLEN len; |
2562 | const char *s = SvPV(tmpglob, len); | |
7918f24d NC |
2563 | |
2564 | PERL_ARGS_ASSERT_START_GLOB; | |
2565 | ||
41188aa0 | 2566 | if (!IS_SAFE_SYSCALL(s, len, "pattern", "glob")) |
c8028aa6 TC |
2567 | return NULL; |
2568 | ||
0d44d22b NC |
2569 | ENTER; |
2570 | SAVEFREESV(tmpcmd); | |
2571 | #ifdef VMS /* expand the wildcards right here, rather than opening a pipe, */ | |
2572 | /* since spawning off a process is a real performance hit */ | |
dca5a913 JM |
2573 | |
2574 | PerlIO * | |
2575 | Perl_vms_start_glob | |
2576 | (pTHX_ SV *tmpglob, | |
2577 | IO *io); | |
2578 | ||
49a7a762 | 2579 | fp = Perl_vms_start_glob(aTHX_ tmpglob, io); |
dca5a913 | 2580 | |
0d44d22b | 2581 | #else /* !VMS */ |
0d44d22b NC |
2582 | #ifdef DOSISH |
2583 | #ifdef OS2 | |
2584 | sv_setpv(tmpcmd, "for a in "); | |
2585 | sv_catsv(tmpcmd, tmpglob); | |
2586 | sv_catpv(tmpcmd, "; do echo \"$a\\0\\c\"; done |"); | |
2587 | #else | |
2588 | #ifdef DJGPP | |
2589 | sv_setpv(tmpcmd, "/dev/dosglob/"); /* File System Extension */ | |
2590 | sv_catsv(tmpcmd, tmpglob); | |
2591 | #else | |
2592 | sv_setpv(tmpcmd, "perlglob "); | |
2593 | sv_catsv(tmpcmd, tmpglob); | |
2594 | sv_catpv(tmpcmd, " |"); | |
2595 | #endif /* !DJGPP */ | |
2596 | #endif /* !OS2 */ | |
2597 | #else /* !DOSISH */ | |
2598 | #if defined(CSH) | |
2599 | sv_setpvn(tmpcmd, PL_cshname, PL_cshlen); | |
2600 | sv_catpv(tmpcmd, " -cf 'set nonomatch; glob "); | |
2601 | sv_catsv(tmpcmd, tmpglob); | |
2602 | sv_catpv(tmpcmd, "' 2>/dev/null |"); | |
2603 | #else | |
2604 | sv_setpv(tmpcmd, "echo "); | |
2605 | sv_catsv(tmpcmd, tmpglob); | |
0d44d22b | 2606 | sv_catpv(tmpcmd, "|tr -s ' \t\f\r' '\\n\\n\\n\\n'|"); |
0d44d22b NC |
2607 | #endif /* !CSH */ |
2608 | #endif /* !DOSISH */ | |
93b2dae1 | 2609 | { |
acffc8af FC |
2610 | SV ** const svp = hv_fetchs(GvHVn(PL_envgv), "LS_COLORS", 0); |
2611 | if (svp && *svp) | |
2612 | save_helem_flags(GvHV(PL_envgv), | |
2613 | newSVpvs_flags("LS_COLORS", SVs_TEMP), svp, | |
2614 | SAVEf_SETMAGIC); | |
93b2dae1 | 2615 | } |
d5eb9a46 NC |
2616 | (void)do_open6(PL_last_in_gv, SvPVX_const(tmpcmd), SvCUR(tmpcmd), |
2617 | NULL, NULL, 0); | |
0d44d22b NC |
2618 | fp = IoIFP(io); |
2619 | #endif /* !VMS */ | |
2620 | LEAVE; | |
de7dabb6 TC |
2621 | |
2622 | if (!fp && ckWARN(WARN_GLOB)) { | |
2623 | Perl_warner(aTHX_ packWARN(WARN_GLOB), "glob failed (can't start child: %s)", | |
2624 | Strerror(errno)); | |
2625 | } | |
2626 | ||
0d44d22b NC |
2627 | return fp; |
2628 | } | |
66610fdd RGS |
2629 | |
2630 | /* | |
14d04a33 | 2631 | * ex: set ts=8 sts=4 sw=4 et: |
37442d52 | 2632 | */ |