Commit | Line | Data |
---|---|---|
a0d0e21e | 1 | /* doio.c |
a687059c | 2 | * |
bc89e66f | 3 | * Copyright (c) 1991-2001, Larry Wall |
a687059c | 4 | * |
6e21c824 LW |
5 | * You may distribute under the terms of either the GNU General Public |
6 | * License or the Artistic License, as specified in the README file. | |
a687059c | 7 | * |
a0d0e21e LW |
8 | */ |
9 | ||
10 | /* | |
11 | * "Far below them they saw the white waters pour into a foaming bowl, and | |
12 | * then swirl darkly about a deep oval basin in the rocks, until they found | |
13 | * their way out again through a narrow gate, and flowed away, fuming and | |
14 | * chattering, into calmer and more level reaches." | |
a687059c LW |
15 | */ |
16 | ||
17 | #include "EXTERN.h" | |
864dbfa3 | 18 | #define PERL_IN_DOIO_C |
a687059c LW |
19 | #include "perl.h" |
20 | ||
fe14fcc3 | 21 | #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM) |
aec308ec | 22 | #ifndef HAS_SEM |
c2ab57d4 | 23 | #include <sys/ipc.h> |
aec308ec | 24 | #endif |
fe14fcc3 | 25 | #ifdef HAS_MSG |
c2ab57d4 | 26 | #include <sys/msg.h> |
e5d73d77 | 27 | #endif |
fe14fcc3 | 28 | #ifdef HAS_SHM |
c2ab57d4 | 29 | #include <sys/shm.h> |
a0d0e21e | 30 | # ifndef HAS_SHMAT_PROTOTYPE |
20ce7b12 | 31 | extern Shmat_t shmat (int, char *, int); |
a0d0e21e | 32 | # endif |
c2ab57d4 | 33 | #endif |
e5d73d77 | 34 | #endif |
c2ab57d4 | 35 | |
663a0e37 | 36 | #ifdef I_UTIME |
3730b96e | 37 | # if defined(_MSC_VER) || defined(__MINGW32__) |
3fe9a6f1 | 38 | # include <sys/utime.h> |
39 | # else | |
40 | # include <utime.h> | |
41 | # endif | |
663a0e37 | 42 | #endif |
85aff577 | 43 | |
85aff577 CS |
44 | #ifdef O_EXCL |
45 | # define OPEN_EXCL O_EXCL | |
46 | #else | |
47 | # define OPEN_EXCL 0 | |
48 | #endif | |
a687059c | 49 | |
76121258 | 50 | #if !defined(NSIG) || defined(M_UNIX) || defined(M_XENIX) |
51 | #include <signal.h> | |
52 | #endif | |
53 | ||
a687059c | 54 | bool |
6170680b IZ |
55 | Perl_do_open(pTHX_ GV *gv, register char *name, I32 len, int as_raw, |
56 | int rawmode, int rawperm, PerlIO *supplied_fp) | |
57 | { | |
a567e93b NIS |
58 | return do_openn(gv, name, len, as_raw, rawmode, rawperm, |
59 | supplied_fp, (SV **) NULL, 0); | |
6170680b IZ |
60 | } |
61 | ||
62 | bool | |
63 | Perl_do_open9(pTHX_ GV *gv, register char *name, I32 len, int as_raw, | |
64 | int rawmode, int rawperm, PerlIO *supplied_fp, SV *svs, | |
65 | I32 num_svs) | |
a687059c | 66 | { |
a567e93b NIS |
67 | return do_openn(gv, name, len, as_raw, rawmode, rawperm, |
68 | supplied_fp, &svs, 1); | |
69 | } | |
70 | ||
71 | bool | |
72 | Perl_do_openn(pTHX_ GV *gv, register char *name, I32 len, int as_raw, | |
73 | int rawmode, int rawperm, PerlIO *supplied_fp, SV **svp, | |
74 | I32 num_svs) | |
75 | { | |
a0d0e21e | 76 | register IO *io = GvIOn(gv); |
760ac839 LW |
77 | PerlIO *saveifp = Nullfp; |
78 | PerlIO *saveofp = Nullfp; | |
ee518936 | 79 | int savefd = -1; |
9f37169a | 80 | char savetype = IoTYPE_CLOSED; |
c07a80fd | 81 | int writing = 0; |
760ac839 | 82 | PerlIO *fp; |
c07a80fd | 83 | int fd; |
84 | int result; | |
3500f679 | 85 | bool was_fdopen = FALSE; |
16fe6d59 | 86 | bool in_raw = 0, in_crlf = 0, out_raw = 0, out_crlf = 0; |
b931b1d9 | 87 | char *type = NULL; |
ee518936 NIS |
88 | char mode[8]; /* stdio file mode ("r\0", "rb\0", "r+b\0" etc.) */ |
89 | SV *namesv; | |
a687059c | 90 | |
b931b1d9 | 91 | Zero(mode,sizeof(mode),char); |
3280af22 | 92 | PL_forkprocess = 1; /* assume true if no fork */ |
c07a80fd | 93 | |
b931b1d9 | 94 | /* Collect default raw/crlf info from the op */ |
16fe6d59 GS |
95 | if (PL_op && PL_op->op_type == OP_OPEN) { |
96 | /* set up disciplines */ | |
97 | U8 flags = PL_op->op_private; | |
98 | in_raw = (flags & OPpOPEN_IN_RAW); | |
99 | in_crlf = (flags & OPpOPEN_IN_CRLF); | |
100 | out_raw = (flags & OPpOPEN_OUT_RAW); | |
101 | out_crlf = (flags & OPpOPEN_OUT_CRLF); | |
102 | } | |
103 | ||
b931b1d9 | 104 | /* If currently open - close before we re-open */ |
a0d0e21e | 105 | if (IoIFP(io)) { |
760ac839 | 106 | fd = PerlIO_fileno(IoIFP(io)); |
ee518936 NIS |
107 | if (IoTYPE(io) == IoTYPE_STD) { |
108 | /* This is a clone of one of STD* handles */ | |
c2ab57d4 | 109 | result = 0; |
ee518936 NIS |
110 | } |
111 | else if (fd >= 0 && fd <= PL_maxsysfd) { | |
112 | /* This is one of the original STD* handles */ | |
113 | saveifp = IoIFP(io); | |
114 | saveofp = IoOFP(io); | |
8990e307 | 115 | savetype = IoTYPE(io); |
ee518936 NIS |
116 | savefd = fd; |
117 | result = 0; | |
6e21c824 | 118 | } |
50952442 | 119 | else if (IoTYPE(io) == IoTYPE_PIPE) |
3028581b | 120 | result = PerlProc_pclose(IoIFP(io)); |
8990e307 LW |
121 | else if (IoIFP(io) != IoOFP(io)) { |
122 | if (IoOFP(io)) { | |
760ac839 | 123 | result = PerlIO_close(IoOFP(io)); |
6170680b | 124 | PerlIO_close(IoIFP(io)); /* clear stdio, fd already closed */ |
c2ab57d4 LW |
125 | } |
126 | else | |
760ac839 | 127 | result = PerlIO_close(IoIFP(io)); |
a687059c | 128 | } |
a687059c | 129 | else |
760ac839 | 130 | result = PerlIO_close(IoIFP(io)); |
ee518936 NIS |
131 | if (result == EOF && fd > PL_maxsysfd) { |
132 | /* Why is this not Perl_warn*() call ? */ | |
bf49b057 | 133 | PerlIO_printf(Perl_error_log, |
6170680b IZ |
134 | "Warning: unable to close filehandle %s properly.\n", |
135 | GvENAME(gv)); | |
ee518936 | 136 | } |
8990e307 | 137 | IoOFP(io) = IoIFP(io) = Nullfp; |
a687059c | 138 | } |
c07a80fd | 139 | |
140 | if (as_raw) { | |
b931b1d9 | 141 | /* sysopen style args, i.e. integer mode and permissions */ |
ee518936 | 142 | STRLEN ix = 0; |
4a7d1889 | 143 | if (num_svs != 0) { |
b94c04ac | 144 | Perl_croak(aTHX_ "panic: sysopen with multiple args"); |
4a7d1889 | 145 | } |
d1da7611 JH |
146 | if (rawmode & (O_WRONLY|O_RDWR|O_CREAT |
147 | #ifdef O_APPEND /* Not fully portable. */ | |
148 | |O_APPEND | |
149 | #endif | |
150 | #ifdef O_TRUNC /* Not fully portable. */ | |
151 | |O_TRUNC | |
152 | #endif | |
153 | )) | |
b94c04ac | 154 | TAINT_PROPER("sysopen"); |
ee518936 | 155 | mode[ix++] = '#'; /* Marker to openn to use numeric "sysopen" */ |
b931b1d9 | 156 | |
09458382 | 157 | #if defined(USE_64_BIT_RAWIO) && defined(O_LARGEFILE) |
b94c04ac | 158 | rawmode |= O_LARGEFILE; /* Transparently largefiley. */ |
5ff3f7a4 GS |
159 | #endif |
160 | ||
9d116dd7 JH |
161 | #ifndef O_ACCMODE |
162 | #define O_ACCMODE 3 /* Assume traditional implementation */ | |
163 | #endif | |
5ff3f7a4 | 164 | |
9d116dd7 JH |
165 | switch (result = rawmode & O_ACCMODE) { |
166 | case O_RDONLY: | |
50952442 | 167 | IoTYPE(io) = IoTYPE_RDONLY; |
9d116dd7 JH |
168 | break; |
169 | case O_WRONLY: | |
50952442 | 170 | IoTYPE(io) = IoTYPE_WRONLY; |
9d116dd7 JH |
171 | break; |
172 | case O_RDWR: | |
173 | default: | |
50952442 | 174 | IoTYPE(io) = IoTYPE_RDWR; |
9d116dd7 JH |
175 | break; |
176 | } | |
c07a80fd | 177 | writing = (result > 0); |
9d116dd7 | 178 | |
ee518936 NIS |
179 | if (result == O_RDONLY) { |
180 | mode[ix++] = 'r'; | |
181 | } | |
360e5741 | 182 | #ifdef O_APPEND |
ee518936 NIS |
183 | else if (rawmode & O_APPEND) { |
184 | mode[ix++] = 'a'; | |
185 | if (result != O_WRONLY) | |
186 | mode[ix++] = '+'; | |
187 | } | |
360e5741 | 188 | #endif |
ee518936 NIS |
189 | else { |
190 | if (result == O_WRONLY) | |
191 | mode[ix++] = 'w'; | |
16fe6d59 | 192 | else { |
ee518936 NIS |
193 | mode[ix++] = 'r'; |
194 | mode[ix++] = '+'; | |
16fe6d59 | 195 | } |
c07a80fd | 196 | } |
ee518936 NIS |
197 | if (rawmode & O_BINARY) |
198 | mode[ix++] = 'b'; | |
199 | mode[ix] = '\0'; | |
200 | ||
201 | namesv = sv_2mortal(newSVpvn(name,strlen(name))); | |
202 | num_svs = 1; | |
203 | svp = &namesv; | |
1141d9f8 | 204 | type = Nullch; |
b94c04ac | 205 | fp = PerlIO_openn(aTHX_ type, mode, -1, rawmode, rawperm, NULL, num_svs, svp); |
a687059c | 206 | } |
c07a80fd | 207 | else { |
b931b1d9 | 208 | /* Regular (non-sys) open */ |
faecd977 | 209 | char *oname = name; |
faecd977 | 210 | STRLEN olen = len; |
b931b1d9 NIS |
211 | char *tend; |
212 | int dodup = 0; | |
c07a80fd | 213 | |
faecd977 | 214 | type = savepvn(name, len); |
b931b1d9 | 215 | tend = type+len; |
faecd977 | 216 | SAVEFREEPV(type); |
b931b1d9 NIS |
217 | /* Loose trailing white space */ |
218 | while (tend > type && isSPACE(tend[-1])) | |
219 | *tend-- = '\0'; | |
6170680b | 220 | if (num_svs) { |
b931b1d9 | 221 | /* New style explict name, type is just mode and discipline/layer info */ |
fe9745bf | 222 | STRLEN l = 0; |
f6c77cf1 | 223 | name = SvOK(*svp) ? SvPV(*svp, l) : ""; |
faecd977 GS |
224 | len = (I32)l; |
225 | name = savepvn(name, len); | |
226 | SAVEFREEPV(name); | |
b931b1d9 NIS |
227 | /*SUPPRESS 530*/ |
228 | for (; isSPACE(*type); type++) ; | |
6170680b | 229 | } |
faecd977 | 230 | else { |
faecd977 | 231 | name = type; |
b931b1d9 | 232 | len = tend-type; |
faecd977 | 233 | } |
6170680b | 234 | IoTYPE(io) = *type; |
516a5887 JH |
235 | if ((*type == IoTYPE_RDWR) && /* scary */ |
236 | ((!num_svs || (tend > type+1 && tend[-1] != IoTYPE_PIPE)))) { | |
6170680b | 237 | mode[1] = *type++; |
c07a80fd | 238 | writing = 1; |
a687059c | 239 | } |
c07a80fd | 240 | |
9f37169a | 241 | if (*type == IoTYPE_PIPE) { |
b931b1d9 NIS |
242 | if (num_svs) { |
243 | if (type[1] != IoTYPE_STD) { | |
244 | unknown_desr: | |
245 | Perl_croak(aTHX_ "Unknown open() mode '%.*s'", (int)olen, oname); | |
246 | } | |
247 | type++; | |
6170680b | 248 | } |
c07a80fd | 249 | /*SUPPRESS 530*/ |
b931b1d9 | 250 | for (type++; isSPACE(*type); type++) ; |
faecd977 | 251 | if (!num_svs) { |
6170680b | 252 | name = type; |
b931b1d9 | 253 | len = tend-type; |
faecd977 | 254 | } |
4a7d1889 NIS |
255 | if (*name == '\0') { |
256 | /* command is missing 19990114 */ | |
06eaf0bc | 257 | if (ckWARN(WARN_PIPE)) |
cea2e8a9 | 258 | Perl_warner(aTHX_ WARN_PIPE, "Missing command in piped open"); |
06eaf0bc GS |
259 | errno = EPIPE; |
260 | goto say_false; | |
261 | } | |
6170680b | 262 | if (strNE(name,"-") || num_svs) |
c07a80fd | 263 | TAINT_ENV(); |
264 | TAINT_PROPER("piped open"); | |
b931b1d9 | 265 | if (!num_svs && name[len-1] == '|') { |
faecd977 | 266 | name[--len] = '\0' ; |
599cee73 | 267 | if (ckWARN(WARN_PIPE)) |
9a7dcd9c | 268 | Perl_warner(aTHX_ WARN_PIPE, "Can't open bidirectional pipe"); |
7b8d334a | 269 | } |
a1d180c4 | 270 | mode[0] = 'w'; |
c07a80fd | 271 | writing = 1; |
a1d180c4 NIS |
272 | if (out_raw) |
273 | strcat(mode, "b"); | |
274 | else if (out_crlf) | |
275 | strcat(mode, "t"); | |
4a7d1889 NIS |
276 | if (num_svs > 1) { |
277 | fp = PerlProc_popen_list(mode, num_svs, svp); | |
278 | } | |
279 | else { | |
280 | fp = PerlProc_popen(name,mode); | |
281 | } | |
c07a80fd | 282 | } |
9f37169a | 283 | else if (*type == IoTYPE_WRONLY) { |
c07a80fd | 284 | TAINT_PROPER("open"); |
6170680b | 285 | type++; |
9f37169a JH |
286 | if (*type == IoTYPE_WRONLY) { |
287 | /* Two IoTYPE_WRONLYs in a row make for an IoTYPE_APPEND. */ | |
50952442 | 288 | mode[0] = IoTYPE(io) = IoTYPE_APPEND; |
6170680b | 289 | type++; |
a0d0e21e | 290 | } |
ee518936 | 291 | else { |
c07a80fd | 292 | mode[0] = 'w'; |
ee518936 | 293 | } |
c07a80fd | 294 | writing = 1; |
295 | ||
16fe6d59 GS |
296 | if (out_raw) |
297 | strcat(mode, "b"); | |
298 | else if (out_crlf) | |
299 | strcat(mode, "t"); | |
300 | ||
6170680b | 301 | if (*type == '&') { |
c07a80fd | 302 | duplicity: |
303 | dodup = 1; | |
e620cd72 NIS |
304 | type++; |
305 | if (*type == '=') { | |
c07a80fd | 306 | dodup = 0; |
e620cd72 | 307 | type++; |
4a7d1889 | 308 | } |
ee518936 | 309 | if (!num_svs && !*type && supplied_fp) { |
4a7d1889 | 310 | /* "<+&" etc. is used by typemaps */ |
c07a80fd | 311 | fp = supplied_fp; |
ee518936 | 312 | } |
a0d0e21e | 313 | else { |
e620cd72 NIS |
314 | if (num_svs > 1) { |
315 | Perl_croak(aTHX_ "More than one argument to '%c&' open",IoTYPE(io)); | |
316 | } | |
ee518936 | 317 | if (num_svs && SvIOK(*svp)) { |
e620cd72 | 318 | fd = SvUV(*svp); |
ee518936 | 319 | } |
e620cd72 NIS |
320 | else if (isDIGIT(*type)) { |
321 | /*SUPPRESS 530*/ | |
322 | for (; isSPACE(*type); type++) ; | |
323 | fd = atoi(type); | |
324 | } | |
c07a80fd | 325 | else { |
326 | IO* thatio; | |
e620cd72 NIS |
327 | if (num_svs) { |
328 | thatio = sv_2io(*svp); | |
329 | } | |
330 | else { | |
331 | GV *thatgv; | |
332 | /*SUPPRESS 530*/ | |
333 | for (; isSPACE(*type); type++) ; | |
334 | thatgv = gv_fetchpv(type,FALSE,SVt_PVIO); | |
335 | thatio = GvIO(thatgv); | |
336 | } | |
c07a80fd | 337 | if (!thatio) { |
6e21c824 | 338 | #ifdef EINVAL |
c07a80fd | 339 | SETERRNO(EINVAL,SS$_IVCHAN); |
6e21c824 | 340 | #endif |
c07a80fd | 341 | goto say_false; |
342 | } | |
343 | if (IoIFP(thatio)) { | |
54195c32 | 344 | PerlIO *fp = IoIFP(thatio); |
7211d486 JH |
345 | /* Flush stdio buffer before dup. --mjd |
346 | * Unfortunately SEEK_CURing 0 seems to | |
347 | * be optimized away on most platforms; | |
348 | * only Solaris and Linux seem to flush | |
349 | * on that. --jhi */ | |
2c534a3f NC |
350 | #ifdef USE_SFIO |
351 | /* sfio fails to clear error on next | |
352 | sfwrite, contrary to documentation. | |
353 | -- Nick Clark */ | |
354 | if (PerlIO_seek(fp, 0, SEEK_CUR) == -1) | |
355 | PerlIO_clearerr(fp); | |
356 | #endif | |
7211d486 JH |
357 | /* On the other hand, do all platforms |
358 | * take gracefully to flushing a read-only | |
359 | * filehandle? Perhaps we should do | |
360 | * fsetpos(src)+fgetpos(dst)? --nik */ | |
361 | PerlIO_flush(fp); | |
54195c32 | 362 | fd = PerlIO_fileno(fp); |
0759c907 JH |
363 | /* When dup()ing STDIN, STDOUT or STDERR |
364 | * explicitly set appropriate access mode */ | |
365 | if (IoIFP(thatio) == PerlIO_stdout() | |
366 | || IoIFP(thatio) == PerlIO_stderr()) | |
367 | IoTYPE(io) = IoTYPE_WRONLY; | |
368 | else if (IoIFP(thatio) == PerlIO_stdin()) | |
369 | IoTYPE(io) = IoTYPE_RDONLY; | |
370 | /* When dup()ing a socket, say result is | |
371 | * one as well */ | |
372 | else if (IoTYPE(thatio) == IoTYPE_SOCKET) | |
50952442 | 373 | IoTYPE(io) = IoTYPE_SOCKET; |
c07a80fd | 374 | } |
375 | else | |
376 | fd = -1; | |
a0d0e21e | 377 | } |
fec02dd3 | 378 | if (dodup) |
3028581b | 379 | fd = PerlLIO_dup(fd); |
3500f679 RS |
380 | else |
381 | was_fdopen = TRUE; | |
ee518936 | 382 | if (!num_svs) |
1141d9f8 | 383 | type = Nullch; |
ee518936 | 384 | if (!(fp = PerlIO_openn(aTHX_ type,mode,fd,0,0,NULL,num_svs,svp))) { |
c07a80fd | 385 | if (dodup) |
3028581b | 386 | PerlLIO_close(fd); |
faecd977 | 387 | } |
c07a80fd | 388 | } |
ee518936 | 389 | } /* & */ |
c07a80fd | 390 | else { |
4a7d1889 NIS |
391 | if (num_svs > 1) { |
392 | Perl_croak(aTHX_ "More than one argument to '>' open"); | |
393 | } | |
c07a80fd | 394 | /*SUPPRESS 530*/ |
6170680b | 395 | for (; isSPACE(*type); type++) ; |
b931b1d9 NIS |
396 | if (*type == IoTYPE_STD && (!type[1] || isSPACE(type[1]) || type[1] == ':')) { |
397 | /*SUPPRESS 530*/ | |
398 | type++; | |
760ac839 | 399 | fp = PerlIO_stdout(); |
50952442 | 400 | IoTYPE(io) = IoTYPE_STD; |
c07a80fd | 401 | } |
402 | else { | |
ee518936 NIS |
403 | if (!num_svs) { |
404 | namesv = sv_2mortal(newSVpvn(type,strlen(type))); | |
405 | num_svs = 1; | |
406 | svp = &namesv; | |
1141d9f8 | 407 | type = Nullch; |
ee518936 | 408 | } |
6e60e805 | 409 | fp = PerlIO_openn(aTHX_ type,mode,-1,0,0,NULL,num_svs,svp); |
c07a80fd | 410 | } |
ee518936 | 411 | } /* !& */ |
bf38876a | 412 | } |
9f37169a | 413 | else if (*type == IoTYPE_RDONLY) { |
4a7d1889 NIS |
414 | if (num_svs > 1) { |
415 | Perl_croak(aTHX_ "More than one argument to '<' open"); | |
416 | } | |
c07a80fd | 417 | /*SUPPRESS 530*/ |
6170680b | 418 | for (type++; isSPACE(*type); type++) ; |
bf38876a | 419 | mode[0] = 'r'; |
16fe6d59 GS |
420 | if (in_raw) |
421 | strcat(mode, "b"); | |
422 | else if (in_crlf) | |
423 | strcat(mode, "t"); | |
424 | ||
6170680b | 425 | if (*type == '&') { |
bf38876a | 426 | goto duplicity; |
6170680b | 427 | } |
b931b1d9 NIS |
428 | if (*type == IoTYPE_STD && (!type[1] || isSPACE(type[1]) || type[1] == ':')) { |
429 | /*SUPPRESS 530*/ | |
430 | type++; | |
760ac839 | 431 | fp = PerlIO_stdin(); |
50952442 | 432 | IoTYPE(io) = IoTYPE_STD; |
a687059c | 433 | } |
ee518936 NIS |
434 | else { |
435 | if (!num_svs) { | |
436 | namesv = sv_2mortal(newSVpvn(type,strlen(type))); | |
437 | num_svs = 1; | |
438 | svp = &namesv; | |
1141d9f8 | 439 | type = Nullch; |
ee518936 | 440 | } |
6e60e805 | 441 | fp = PerlIO_openn(aTHX_ type,mode,-1,0,0,NULL,num_svs,svp); |
ee518936 | 442 | } |
a687059c | 443 | } |
b931b1d9 NIS |
444 | else if ((num_svs && type[0] == IoTYPE_STD && type[1] == IoTYPE_PIPE) || |
445 | (!num_svs && tend > type+1 && tend[-1] == IoTYPE_PIPE)) { | |
6170680b | 446 | if (num_svs) { |
b931b1d9 | 447 | type += 2; /* skip over '-|' */ |
6170680b IZ |
448 | } |
449 | else { | |
b931b1d9 NIS |
450 | *--tend = '\0'; |
451 | while (tend > type && isSPACE(tend[-1])) | |
452 | *--tend = '\0'; | |
6170680b IZ |
453 | /*SUPPRESS 530*/ |
454 | for (; isSPACE(*type); type++) ; | |
455 | name = type; | |
b931b1d9 | 456 | len = tend-type; |
6170680b | 457 | } |
4a7d1889 NIS |
458 | if (*name == '\0') { |
459 | /* command is missing 19990114 */ | |
06eaf0bc | 460 | if (ckWARN(WARN_PIPE)) |
cea2e8a9 | 461 | Perl_warner(aTHX_ WARN_PIPE, "Missing command in piped open"); |
06eaf0bc GS |
462 | errno = EPIPE; |
463 | goto say_false; | |
464 | } | |
6170680b | 465 | if (strNE(name,"-") || num_svs) |
79072805 LW |
466 | TAINT_ENV(); |
467 | TAINT_PROPER("piped open"); | |
a1d180c4 NIS |
468 | mode[0] = 'r'; |
469 | if (in_raw) | |
470 | strcat(mode, "b"); | |
471 | else if (in_crlf) | |
472 | strcat(mode, "t"); | |
4a7d1889 NIS |
473 | if (num_svs > 1) { |
474 | fp = PerlProc_popen_list(mode,num_svs,svp); | |
475 | } | |
e620cd72 | 476 | else { |
4a7d1889 NIS |
477 | fp = PerlProc_popen(name,mode); |
478 | } | |
50952442 | 479 | IoTYPE(io) = IoTYPE_PIPE; |
a687059c LW |
480 | } |
481 | else { | |
6170680b IZ |
482 | if (num_svs) |
483 | goto unknown_desr; | |
484 | name = type; | |
50952442 | 485 | IoTYPE(io) = IoTYPE_RDONLY; |
99b89507 LW |
486 | /*SUPPRESS 530*/ |
487 | for (; isSPACE(*name); name++) ; | |
88b61e10 NIS |
488 | mode[0] = 'r'; |
489 | if (in_raw) | |
490 | strcat(mode, "b"); | |
491 | else if (in_crlf) | |
492 | strcat(mode, "t"); | |
a687059c | 493 | if (strEQ(name,"-")) { |
760ac839 | 494 | fp = PerlIO_stdin(); |
50952442 | 495 | IoTYPE(io) = IoTYPE_STD; |
a687059c | 496 | } |
16fe6d59 | 497 | else { |
ee518936 NIS |
498 | if (!num_svs) { |
499 | namesv = sv_2mortal(newSVpvn(type,strlen(type))); | |
500 | num_svs = 1; | |
501 | svp = &namesv; | |
1141d9f8 | 502 | type = Nullch; |
ee518936 | 503 | } |
6e60e805 | 504 | fp = PerlIO_openn(aTHX_ type,mode,-1,0,0,NULL,num_svs,svp); |
16fe6d59 | 505 | } |
a687059c LW |
506 | } |
507 | } | |
bee1dbe2 | 508 | if (!fp) { |
50952442 | 509 | if (ckWARN(WARN_NEWLINE) && IoTYPE(io) == IoTYPE_RDONLY && strchr(name, '\n')) |
cea2e8a9 | 510 | Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "open"); |
6e21c824 | 511 | goto say_false; |
bee1dbe2 | 512 | } |
a00b5bd3 NIS |
513 | |
514 | if (ckWARN(WARN_IO)) { | |
515 | if ((IoTYPE(io) == IoTYPE_RDONLY) && | |
516 | (fp == PerlIO_stdout() || fp == PerlIO_stderr())) { | |
c5e2d979 JH |
517 | Perl_warner(aTHX_ WARN_IO, |
518 | "Filehandle STD%s opened only for input", | |
519 | (fp == PerlIO_stdout()) ? "OUT" : "ERR"); | |
a00b5bd3 | 520 | } |
ee518936 | 521 | else if ((IoTYPE(io) == IoTYPE_WRONLY) && fp == PerlIO_stdin()) { |
c5e2d979 JH |
522 | Perl_warner(aTHX_ WARN_IO, |
523 | "Filehandle STDIN opened only for output"); | |
a00b5bd3 NIS |
524 | } |
525 | } | |
526 | ||
f6c77cf1 NIS |
527 | if (IoTYPE(io) && IoTYPE(io) != IoTYPE_PIPE && IoTYPE(io) != IoTYPE_STD && |
528 | /* FIXME: This next term is a hack to avoid fileno on PerlIO::Scalar */ | |
529 | !(num_svs && SvROK(*svp))) { | |
3280af22 | 530 | if (PerlLIO_fstat(PerlIO_fileno(fp),&PL_statbuf) < 0) { |
760ac839 | 531 | (void)PerlIO_close(fp); |
6e21c824 | 532 | goto say_false; |
a687059c | 533 | } |
3280af22 | 534 | if (S_ISSOCK(PL_statbuf.st_mode)) |
50952442 | 535 | IoTYPE(io) = IoTYPE_SOCKET; /* in case a socket was passed in to us */ |
99b89507 LW |
536 | #ifdef HAS_SOCKET |
537 | else if ( | |
c623bd54 | 538 | #ifdef S_IFMT |
3280af22 | 539 | !(PL_statbuf.st_mode & S_IFMT) |
99b89507 | 540 | #else |
b28d0864 | 541 | !PL_statbuf.st_mode |
99b89507 | 542 | #endif |
0759c907 JH |
543 | && IoTYPE(io) != IoTYPE_WRONLY /* Dups of STD* filehandles already have */ |
544 | && IoTYPE(io) != IoTYPE_RDONLY /* type so they aren't marked as sockets */ | |
545 | ) { /* on OS's that return 0 on fstat()ed pipe */ | |
96827780 MB |
546 | char tmpbuf[256]; |
547 | Sock_size_t buflen = sizeof tmpbuf; | |
3028581b | 548 | if (PerlSock_getsockname(PerlIO_fileno(fp), (struct sockaddr *)tmpbuf, |
d574b85e CS |
549 | &buflen) >= 0 |
550 | || errno != ENOTSOCK) | |
50952442 | 551 | IoTYPE(io) = IoTYPE_SOCKET; /* some OS's return 0 on fstat()ed socket */ |
99b89507 LW |
552 | /* but some return 0 for streams too, sigh */ |
553 | } | |
bf38876a | 554 | #endif |
a687059c | 555 | } |
6e21c824 | 556 | if (saveifp) { /* must use old fp? */ |
f5b9d040 | 557 | /* If fd is less that PL_maxsysfd i.e. STDIN..STDERR |
24c23ab4 | 558 | then dup the new fileno down |
f5b9d040 | 559 | */ |
6e60e805 | 560 | fd = PerlIO_fileno(fp); |
6e21c824 | 561 | if (saveofp) { |
f5b9d040 | 562 | PerlIO_flush(saveofp); /* emulate PerlIO_close() */ |
6e21c824 | 563 | if (saveofp != saveifp) { /* was a socket? */ |
760ac839 | 564 | PerlIO_close(saveofp); |
6e21c824 LW |
565 | } |
566 | } | |
6e60e805 | 567 | if (savefd != fd) { |
d8a83dd3 | 568 | Pid_t pid; |
79072805 | 569 | SV *sv; |
bd4a5668 NIS |
570 | if (PerlLIO_dup2(fd, savefd) < 0) { |
571 | (void)PerlIO_close(fp); | |
572 | goto say_false; | |
573 | } | |
d082dcd6 | 574 | #ifdef VMS |
6e60e805 | 575 | if (savefd != PerlIO_fileno(PerlIO_stdin())) { |
d082dcd6 | 576 | char newname[FILENAME_MAX+1]; |
a15cef0c | 577 | if (PerlIO_getname(fp, newname)) { |
fd8cd3a3 DS |
578 | if (fd == PerlIO_fileno(PerlIO_stdout())) Perl_vmssetuserlnm(aTHX_ "SYS$OUTPUT", newname); |
579 | if (fd == PerlIO_fileno(PerlIO_stderr())) Perl_vmssetuserlnm(aTHX_ "SYS$ERROR", newname); | |
d082dcd6 JH |
580 | } |
581 | } | |
582 | #endif | |
4755096e | 583 | LOCK_FDPID_MUTEX; |
6e60e805 | 584 | sv = *av_fetch(PL_fdpid,fd,TRUE); |
a0d0e21e | 585 | (void)SvUPGRADE(sv, SVt_IV); |
463ee0b2 LW |
586 | pid = SvIVX(sv); |
587 | SvIVX(sv) = 0; | |
6e60e805 | 588 | sv = *av_fetch(PL_fdpid,savefd,TRUE); |
4755096e | 589 | UNLOCK_FDPID_MUTEX; |
a0d0e21e | 590 | (void)SvUPGRADE(sv, SVt_IV); |
463ee0b2 | 591 | SvIVX(sv) = pid; |
3500f679 RS |
592 | if (!was_fdopen) |
593 | PerlIO_close(fp); | |
6e21c824 LW |
594 | } |
595 | fp = saveifp; | |
760ac839 | 596 | PerlIO_clearerr(fp); |
6e21c824 | 597 | } |
a0d0e21e | 598 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
a8710ca1 GS |
599 | { |
600 | int save_errno = errno; | |
601 | fd = PerlIO_fileno(fp); | |
602 | fcntl(fd,F_SETFD,fd > PL_maxsysfd); /* can change errno */ | |
603 | errno = save_errno; | |
604 | } | |
1462b684 | 605 | #endif |
8990e307 | 606 | IoIFP(io) = fp; |
b931b1d9 | 607 | |
684bef36 | 608 | IoFLAGS(io) &= ~IOf_NOLINE; |
bf38876a | 609 | if (writing) { |
50952442 | 610 | if (IoTYPE(io) == IoTYPE_SOCKET |
ee518936 | 611 | || (IoTYPE(io) == IoTYPE_WRONLY && S_ISCHR(PL_statbuf.st_mode)) ) { |
b931b1d9 | 612 | mode[0] = 'w'; |
1141d9f8 | 613 | if (!(IoOFP(io) = PerlIO_openn(aTHX_ type,mode,PerlIO_fileno(fp),0,0,NULL,num_svs,svp))) { |
760ac839 | 614 | PerlIO_close(fp); |
8990e307 | 615 | IoIFP(io) = Nullfp; |
6e21c824 | 616 | goto say_false; |
fe14fcc3 | 617 | } |
1462b684 LW |
618 | } |
619 | else | |
8990e307 | 620 | IoOFP(io) = fp; |
bf38876a | 621 | } |
a687059c | 622 | return TRUE; |
6e21c824 LW |
623 | |
624 | say_false: | |
8990e307 LW |
625 | IoIFP(io) = saveifp; |
626 | IoOFP(io) = saveofp; | |
627 | IoTYPE(io) = savetype; | |
6e21c824 | 628 | return FALSE; |
a687059c LW |
629 | } |
630 | ||
760ac839 | 631 | PerlIO * |
864dbfa3 | 632 | Perl_nextargv(pTHX_ register GV *gv) |
a687059c | 633 | { |
79072805 | 634 | register SV *sv; |
99b89507 | 635 | #ifndef FLEXFILENAMES |
c623bd54 LW |
636 | int filedev; |
637 | int fileino; | |
99b89507 | 638 | #endif |
761237fe JB |
639 | Uid_t fileuid; |
640 | Gid_t filegid; | |
18708f5a | 641 | IO *io = GvIOp(gv); |
fe14fcc3 | 642 | |
3280af22 NIS |
643 | if (!PL_argvoutgv) |
644 | PL_argvoutgv = gv_fetchpv("ARGVOUT",TRUE,SVt_PVIO); | |
18708f5a GS |
645 | if (io && (IoFLAGS(io) & IOf_ARGV) && (IoFLAGS(io) & IOf_START)) { |
646 | IoFLAGS(io) &= ~IOf_START; | |
7a1c5554 GS |
647 | if (PL_inplace) { |
648 | if (!PL_argvout_stack) | |
649 | PL_argvout_stack = newAV(); | |
18708f5a | 650 | av_push(PL_argvout_stack, SvREFCNT_inc(PL_defoutgv)); |
7a1c5554 | 651 | } |
18708f5a | 652 | } |
3280af22 NIS |
653 | if (PL_filemode & (S_ISUID|S_ISGID)) { |
654 | PerlIO_flush(IoIFP(GvIOn(PL_argvoutgv))); /* chmod must follow last write */ | |
fe14fcc3 | 655 | #ifdef HAS_FCHMOD |
3280af22 | 656 | (void)fchmod(PL_lastfd,PL_filemode); |
fe14fcc3 | 657 | #else |
b28d0864 | 658 | (void)PerlLIO_chmod(PL_oldname,PL_filemode); |
fe14fcc3 LW |
659 | #endif |
660 | } | |
3280af22 | 661 | PL_filemode = 0; |
79072805 | 662 | while (av_len(GvAV(gv)) >= 0) { |
85aff577 | 663 | STRLEN oldlen; |
79072805 | 664 | sv = av_shift(GvAV(gv)); |
8990e307 | 665 | SAVEFREESV(sv); |
79072805 LW |
666 | sv_setsv(GvSV(gv),sv); |
667 | SvSETMAGIC(GvSV(gv)); | |
3280af22 | 668 | PL_oldname = SvPVx(GvSV(gv), oldlen); |
9d116dd7 | 669 | if (do_open(gv,PL_oldname,oldlen,PL_inplace!=0,O_RDONLY,0,Nullfp)) { |
3280af22 | 670 | if (PL_inplace) { |
79072805 | 671 | TAINT_PROPER("inplace open"); |
3280af22 | 672 | if (oldlen == 1 && *PL_oldname == '-') { |
4633a7c4 | 673 | setdefout(gv_fetchpv("STDOUT",TRUE,SVt_PVIO)); |
a0d0e21e | 674 | return IoIFP(GvIOp(gv)); |
c623bd54 | 675 | } |
99b89507 | 676 | #ifndef FLEXFILENAMES |
b28d0864 NIS |
677 | filedev = PL_statbuf.st_dev; |
678 | fileino = PL_statbuf.st_ino; | |
99b89507 | 679 | #endif |
3280af22 NIS |
680 | PL_filemode = PL_statbuf.st_mode; |
681 | fileuid = PL_statbuf.st_uid; | |
682 | filegid = PL_statbuf.st_gid; | |
683 | if (!S_ISREG(PL_filemode)) { | |
0453d815 PM |
684 | if (ckWARN_d(WARN_INPLACE)) |
685 | Perl_warner(aTHX_ WARN_INPLACE, | |
686 | "Can't do inplace edit: %s is not a regular file", | |
687 | PL_oldname ); | |
79072805 | 688 | do_close(gv,FALSE); |
c623bd54 LW |
689 | continue; |
690 | } | |
3280af22 NIS |
691 | if (*PL_inplace) { |
692 | char *star = strchr(PL_inplace, '*'); | |
2d259d92 | 693 | if (star) { |
3280af22 | 694 | char *begin = PL_inplace; |
2d259d92 CK |
695 | sv_setpvn(sv, "", 0); |
696 | do { | |
697 | sv_catpvn(sv, begin, star - begin); | |
3280af22 | 698 | sv_catpvn(sv, PL_oldname, oldlen); |
2d259d92 CK |
699 | begin = ++star; |
700 | } while ((star = strchr(begin, '*'))); | |
3d66d7bb GS |
701 | if (*begin) |
702 | sv_catpv(sv,begin); | |
2d259d92 CK |
703 | } |
704 | else { | |
3280af22 | 705 | sv_catpv(sv,PL_inplace); |
2d259d92 | 706 | } |
c623bd54 | 707 | #ifndef FLEXFILENAMES |
b28d0864 NIS |
708 | if (PerlLIO_stat(SvPVX(sv),&PL_statbuf) >= 0 |
709 | && PL_statbuf.st_dev == filedev | |
710 | && PL_statbuf.st_ino == fileino | |
39e571d4 LM |
711 | #ifdef DJGPP |
712 | || (_djstat_fail_bits & _STFAIL_TRUENAME)!=0 | |
713 | #endif | |
f248d071 GS |
714 | ) |
715 | { | |
716 | if (ckWARN_d(WARN_INPLACE)) | |
717 | Perl_warner(aTHX_ WARN_INPLACE, | |
718 | "Can't do inplace edit: %s would not be unique", | |
719 | SvPVX(sv)); | |
79072805 | 720 | do_close(gv,FALSE); |
c623bd54 LW |
721 | continue; |
722 | } | |
723 | #endif | |
fe14fcc3 | 724 | #ifdef HAS_RENAME |
d308986b | 725 | #if !defined(DOSISH) && !defined(__CYGWIN__) |
3280af22 | 726 | if (PerlLIO_rename(PL_oldname,SvPVX(sv)) < 0) { |
0453d815 | 727 | if (ckWARN_d(WARN_INPLACE)) |
a1d180c4 | 728 | Perl_warner(aTHX_ WARN_INPLACE, |
0453d815 PM |
729 | "Can't rename %s to %s: %s, skipping file", |
730 | PL_oldname, SvPVX(sv), Strerror(errno) ); | |
79072805 | 731 | do_close(gv,FALSE); |
c623bd54 LW |
732 | continue; |
733 | } | |
a687059c | 734 | #else |
79072805 | 735 | do_close(gv,FALSE); |
3028581b | 736 | (void)PerlLIO_unlink(SvPVX(sv)); |
b28d0864 | 737 | (void)PerlLIO_rename(PL_oldname,SvPVX(sv)); |
9d116dd7 | 738 | do_open(gv,SvPVX(sv),SvCUR(sv),PL_inplace!=0,O_RDONLY,0,Nullfp); |
55497cff | 739 | #endif /* DOSISH */ |
ff8e2863 | 740 | #else |
463ee0b2 | 741 | (void)UNLINK(SvPVX(sv)); |
b28d0864 | 742 | if (link(PL_oldname,SvPVX(sv)) < 0) { |
0453d815 PM |
743 | if (ckWARN_d(WARN_INPLACE)) |
744 | Perl_warner(aTHX_ WARN_INPLACE, | |
745 | "Can't rename %s to %s: %s, skipping file", | |
746 | PL_oldname, SvPVX(sv), Strerror(errno) ); | |
79072805 | 747 | do_close(gv,FALSE); |
c623bd54 LW |
748 | continue; |
749 | } | |
b28d0864 | 750 | (void)UNLINK(PL_oldname); |
a687059c LW |
751 | #endif |
752 | } | |
753 | else { | |
a8c18271 | 754 | #if !defined(DOSISH) && !defined(AMIGAOS) |
edc7bc49 | 755 | # ifndef VMS /* Don't delete; use automatic file versioning */ |
3280af22 | 756 | if (UNLINK(PL_oldname) < 0) { |
0453d815 PM |
757 | if (ckWARN_d(WARN_INPLACE)) |
758 | Perl_warner(aTHX_ WARN_INPLACE, | |
759 | "Can't remove %s: %s, skipping file", | |
760 | PL_oldname, Strerror(errno) ); | |
79072805 | 761 | do_close(gv,FALSE); |
fe14fcc3 LW |
762 | continue; |
763 | } | |
edc7bc49 | 764 | # endif |
ff8e2863 | 765 | #else |
cea2e8a9 | 766 | Perl_croak(aTHX_ "Can't do inplace edit without backup"); |
ff8e2863 | 767 | #endif |
a687059c LW |
768 | } |
769 | ||
3280af22 NIS |
770 | sv_setpvn(sv,">",!PL_inplace); |
771 | sv_catpvn(sv,PL_oldname,oldlen); | |
748a9306 | 772 | SETERRNO(0,0); /* in case sprintf set errno */ |
4119ab01 HM |
773 | #ifdef VMS |
774 | if (!do_open(PL_argvoutgv,SvPVX(sv),SvCUR(sv),PL_inplace!=0, | |
18708f5a | 775 | O_WRONLY|O_CREAT|O_TRUNC,0,Nullfp)) |
4119ab01 | 776 | #else |
3280af22 | 777 | if (!do_open(PL_argvoutgv,SvPVX(sv),SvCUR(sv),PL_inplace!=0, |
18708f5a | 778 | O_WRONLY|O_CREAT|OPEN_EXCL,0666,Nullfp)) |
4119ab01 | 779 | #endif |
18708f5a | 780 | { |
0453d815 PM |
781 | if (ckWARN_d(WARN_INPLACE)) |
782 | Perl_warner(aTHX_ WARN_INPLACE, "Can't do inplace edit on %s: %s", | |
783 | PL_oldname, Strerror(errno) ); | |
79072805 | 784 | do_close(gv,FALSE); |
fe14fcc3 LW |
785 | continue; |
786 | } | |
3280af22 NIS |
787 | setdefout(PL_argvoutgv); |
788 | PL_lastfd = PerlIO_fileno(IoIFP(GvIOp(PL_argvoutgv))); | |
789 | (void)PerlLIO_fstat(PL_lastfd,&PL_statbuf); | |
fe14fcc3 | 790 | #ifdef HAS_FCHMOD |
3280af22 | 791 | (void)fchmod(PL_lastfd,PL_filemode); |
a687059c | 792 | #else |
3e3baf6d TB |
793 | # if !(defined(WIN32) && defined(__BORLANDC__)) |
794 | /* Borland runtime creates a readonly file! */ | |
b28d0864 | 795 | (void)PerlLIO_chmod(PL_oldname,PL_filemode); |
3e3baf6d | 796 | # endif |
a687059c | 797 | #endif |
3280af22 | 798 | if (fileuid != PL_statbuf.st_uid || filegid != PL_statbuf.st_gid) { |
fe14fcc3 | 799 | #ifdef HAS_FCHOWN |
3280af22 | 800 | (void)fchown(PL_lastfd,fileuid,filegid); |
a687059c | 801 | #else |
fe14fcc3 | 802 | #ifdef HAS_CHOWN |
b28d0864 | 803 | (void)PerlLIO_chown(PL_oldname,fileuid,filegid); |
a687059c | 804 | #endif |
b1248f16 | 805 | #endif |
fe14fcc3 | 806 | } |
a687059c | 807 | } |
a0d0e21e | 808 | return IoIFP(GvIOp(gv)); |
a687059c | 809 | } |
4d61ec05 | 810 | else { |
4d61ec05 | 811 | if (ckWARN_d(WARN_INPLACE)) { |
6af84f9f GS |
812 | int eno = errno; |
813 | if (PerlLIO_stat(PL_oldname, &PL_statbuf) >= 0 | |
814 | && !S_ISREG(PL_statbuf.st_mode)) | |
815 | { | |
4d61ec05 GS |
816 | Perl_warner(aTHX_ WARN_INPLACE, |
817 | "Can't do inplace edit: %s is not a regular file", | |
9a7dcd9c | 818 | PL_oldname); |
6af84f9f | 819 | } |
4d61ec05 | 820 | else |
9a7dcd9c | 821 | Perl_warner(aTHX_ WARN_INPLACE, "Can't open %s: %s", |
6af84f9f | 822 | PL_oldname, Strerror(eno)); |
4d61ec05 GS |
823 | } |
824 | } | |
a687059c | 825 | } |
18708f5a GS |
826 | if (io && (IoFLAGS(io) & IOf_ARGV)) |
827 | IoFLAGS(io) |= IOf_START; | |
3280af22 NIS |
828 | if (PL_inplace) { |
829 | (void)do_close(PL_argvoutgv,FALSE); | |
7a1c5554 GS |
830 | if (io && (IoFLAGS(io) & IOf_ARGV) |
831 | && PL_argvout_stack && AvFILLp(PL_argvout_stack) >= 0) | |
832 | { | |
18708f5a GS |
833 | GV *oldout = (GV*)av_pop(PL_argvout_stack); |
834 | setdefout(oldout); | |
835 | SvREFCNT_dec(oldout); | |
836 | return Nullfp; | |
837 | } | |
4633a7c4 | 838 | setdefout(gv_fetchpv("STDOUT",TRUE,SVt_PVIO)); |
a687059c LW |
839 | } |
840 | return Nullfp; | |
841 | } | |
842 | ||
fe14fcc3 | 843 | #ifdef HAS_PIPE |
afd9f252 | 844 | void |
864dbfa3 | 845 | Perl_do_pipe(pTHX_ SV *sv, GV *rgv, GV *wgv) |
afd9f252 | 846 | { |
79072805 LW |
847 | register IO *rstio; |
848 | register IO *wstio; | |
afd9f252 LW |
849 | int fd[2]; |
850 | ||
79072805 | 851 | if (!rgv) |
afd9f252 | 852 | goto badexit; |
79072805 | 853 | if (!wgv) |
afd9f252 LW |
854 | goto badexit; |
855 | ||
a0d0e21e LW |
856 | rstio = GvIOn(rgv); |
857 | wstio = GvIOn(wgv); | |
afd9f252 | 858 | |
a0d0e21e | 859 | if (IoIFP(rstio)) |
79072805 | 860 | do_close(rgv,FALSE); |
a0d0e21e | 861 | if (IoIFP(wstio)) |
79072805 | 862 | do_close(wgv,FALSE); |
afd9f252 | 863 | |
3028581b | 864 | if (PerlProc_pipe(fd) < 0) |
afd9f252 | 865 | goto badexit; |
760ac839 LW |
866 | IoIFP(rstio) = PerlIO_fdopen(fd[0], "r"); |
867 | IoOFP(wstio) = PerlIO_fdopen(fd[1], "w"); | |
8990e307 | 868 | IoIFP(wstio) = IoOFP(wstio); |
50952442 JH |
869 | IoTYPE(rstio) = IoTYPE_RDONLY; |
870 | IoTYPE(wstio) = IoTYPE_WRONLY; | |
8990e307 | 871 | if (!IoIFP(rstio) || !IoOFP(wstio)) { |
760ac839 | 872 | if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio)); |
3028581b | 873 | else PerlLIO_close(fd[0]); |
760ac839 | 874 | if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio)); |
3028581b | 875 | else PerlLIO_close(fd[1]); |
fe14fcc3 LW |
876 | goto badexit; |
877 | } | |
afd9f252 | 878 | |
3280af22 | 879 | sv_setsv(sv,&PL_sv_yes); |
afd9f252 LW |
880 | return; |
881 | ||
882 | badexit: | |
3280af22 | 883 | sv_setsv(sv,&PL_sv_undef); |
afd9f252 LW |
884 | return; |
885 | } | |
b1248f16 | 886 | #endif |
afd9f252 | 887 | |
517844ec | 888 | /* explicit renamed to avoid C++ conflict -- kja */ |
a687059c | 889 | bool |
864dbfa3 | 890 | Perl_do_close(pTHX_ GV *gv, bool not_implicit) |
a687059c | 891 | { |
1193dd27 IZ |
892 | bool retval; |
893 | IO *io; | |
a687059c | 894 | |
79072805 | 895 | if (!gv) |
3280af22 | 896 | gv = PL_argvgv; |
a0d0e21e | 897 | if (!gv || SvTYPE(gv) != SVt_PVGV) { |
1d2dff63 GS |
898 | if (not_implicit) |
899 | SETERRNO(EBADF,SS$_IVCHAN); | |
c2ab57d4 | 900 | return FALSE; |
99b89507 | 901 | } |
79072805 LW |
902 | io = GvIO(gv); |
903 | if (!io) { /* never opened */ | |
1d2dff63 | 904 | if (not_implicit) { |
2dd78f96 JH |
905 | if (ckWARN(WARN_UNOPENED)) /* no check for closed here */ |
906 | report_evil_fh(gv, io, PL_op->op_type); | |
1d2dff63 GS |
907 | SETERRNO(EBADF,SS$_IVCHAN); |
908 | } | |
a687059c LW |
909 | return FALSE; |
910 | } | |
f2b5be74 | 911 | retval = io_close(io, not_implicit); |
517844ec | 912 | if (not_implicit) { |
1193dd27 IZ |
913 | IoLINES(io) = 0; |
914 | IoPAGE(io) = 0; | |
915 | IoLINES_LEFT(io) = IoPAGE_LEN(io); | |
916 | } | |
50952442 | 917 | IoTYPE(io) = IoTYPE_CLOSED; |
1193dd27 IZ |
918 | return retval; |
919 | } | |
920 | ||
921 | bool | |
f2b5be74 | 922 | Perl_io_close(pTHX_ IO *io, bool not_implicit) |
1193dd27 IZ |
923 | { |
924 | bool retval = FALSE; | |
925 | int status; | |
926 | ||
8990e307 | 927 | if (IoIFP(io)) { |
50952442 | 928 | if (IoTYPE(io) == IoTYPE_PIPE) { |
3028581b | 929 | status = PerlProc_pclose(IoIFP(io)); |
f2b5be74 GS |
930 | if (not_implicit) { |
931 | STATUS_NATIVE_SET(status); | |
932 | retval = (STATUS_POSIX == 0); | |
933 | } | |
934 | else { | |
935 | retval = (status != -1); | |
936 | } | |
a687059c | 937 | } |
50952442 | 938 | else if (IoTYPE(io) == IoTYPE_STD) |
a687059c LW |
939 | retval = TRUE; |
940 | else { | |
8990e307 | 941 | if (IoOFP(io) && IoOFP(io) != IoIFP(io)) { /* a socket */ |
760ac839 LW |
942 | retval = (PerlIO_close(IoOFP(io)) != EOF); |
943 | PerlIO_close(IoIFP(io)); /* clear stdio, fd already closed */ | |
c2ab57d4 LW |
944 | } |
945 | else | |
760ac839 | 946 | retval = (PerlIO_close(IoIFP(io)) != EOF); |
a687059c | 947 | } |
8990e307 | 948 | IoOFP(io) = IoIFP(io) = Nullfp; |
79072805 | 949 | } |
f2b5be74 | 950 | else if (not_implicit) { |
20408e3c GS |
951 | SETERRNO(EBADF,SS$_IVCHAN); |
952 | } | |
1193dd27 | 953 | |
a687059c LW |
954 | return retval; |
955 | } | |
956 | ||
957 | bool | |
864dbfa3 | 958 | Perl_do_eof(pTHX_ GV *gv) |
a687059c | 959 | { |
79072805 | 960 | register IO *io; |
a687059c LW |
961 | int ch; |
962 | ||
79072805 | 963 | io = GvIO(gv); |
a687059c | 964 | |
79072805 | 965 | if (!io) |
a687059c | 966 | return TRUE; |
a00b5bd3 | 967 | else if (ckWARN(WARN_IO) && (IoTYPE(io) == IoTYPE_WRONLY)) |
af8c498a | 968 | { |
2dd78f96 | 969 | /* integrate to report_evil_fh()? */ |
a1d180c4 | 970 | char *name = NULL; |
2dd78f96 JH |
971 | if (isGV(gv)) { |
972 | SV* sv = sv_newmortal(); | |
973 | gv_efullname4(sv, gv, Nullch, FALSE); | |
974 | name = SvPV_nolen(sv); | |
975 | } | |
976 | if (name && *name) | |
977 | Perl_warner(aTHX_ WARN_IO, | |
978 | "Filehandle %s opened only for output", name); | |
979 | else | |
980 | Perl_warner(aTHX_ WARN_IO, | |
981 | "Filehandle opened only for output"); | |
af8c498a | 982 | } |
a687059c | 983 | |
8990e307 | 984 | while (IoIFP(io)) { |
a687059c | 985 | |
760ac839 | 986 | if (PerlIO_has_cntptr(IoIFP(io))) { /* (the code works without this) */ |
a20bf0c3 | 987 | if (PerlIO_get_cnt(IoIFP(io)) > 0) /* cheat a little, since */ |
760ac839 LW |
988 | return FALSE; /* this is the most usual case */ |
989 | } | |
a687059c | 990 | |
760ac839 | 991 | ch = PerlIO_getc(IoIFP(io)); |
a687059c | 992 | if (ch != EOF) { |
760ac839 | 993 | (void)PerlIO_ungetc(IoIFP(io),ch); |
a687059c LW |
994 | return FALSE; |
995 | } | |
fab3f3a7 | 996 | |
760ac839 | 997 | if (PerlIO_has_cntptr(IoIFP(io)) && PerlIO_canset_cnt(IoIFP(io))) { |
a20bf0c3 JH |
998 | if (PerlIO_get_cnt(IoIFP(io)) < -1) |
999 | PerlIO_set_cnt(IoIFP(io),-1); | |
760ac839 | 1000 | } |
533c011a | 1001 | if (PL_op->op_flags & OPf_SPECIAL) { /* not necessarily a real EOF yet? */ |
3280af22 | 1002 | if (!nextargv(PL_argvgv)) /* get another fp handy */ |
a687059c LW |
1003 | return TRUE; |
1004 | } | |
1005 | else | |
1006 | return TRUE; /* normal fp, definitely end of file */ | |
1007 | } | |
1008 | return TRUE; | |
1009 | } | |
1010 | ||
5ff3f7a4 | 1011 | Off_t |
864dbfa3 | 1012 | Perl_do_tell(pTHX_ GV *gv) |
a687059c | 1013 | { |
9c5ffd7c | 1014 | register IO *io = 0; |
96e4d5b1 | 1015 | register PerlIO *fp; |
a687059c | 1016 | |
96e4d5b1 | 1017 | if (gv && (io = GvIO(gv)) && (fp = IoIFP(io))) { |
bee1dbe2 | 1018 | #ifdef ULTRIX_STDIO_BOTCH |
96e4d5b1 | 1019 | if (PerlIO_eof(fp)) |
1020 | (void)PerlIO_seek(fp, 0L, 2); /* ultrix 1.2 workaround */ | |
bee1dbe2 | 1021 | #endif |
8903cb82 | 1022 | return PerlIO_tell(fp); |
96e4d5b1 | 1023 | } |
411caa50 JH |
1024 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) |
1025 | report_evil_fh(gv, io, PL_op->op_type); | |
748a9306 | 1026 | SETERRNO(EBADF,RMS$_IFI); |
5ff3f7a4 | 1027 | return (Off_t)-1; |
a687059c LW |
1028 | } |
1029 | ||
1030 | bool | |
864dbfa3 | 1031 | Perl_do_seek(pTHX_ GV *gv, Off_t pos, int whence) |
a687059c | 1032 | { |
9c5ffd7c | 1033 | register IO *io = 0; |
137443ea | 1034 | register PerlIO *fp; |
a687059c | 1035 | |
137443ea | 1036 | if (gv && (io = GvIO(gv)) && (fp = IoIFP(io))) { |
bee1dbe2 | 1037 | #ifdef ULTRIX_STDIO_BOTCH |
137443ea | 1038 | if (PerlIO_eof(fp)) |
1039 | (void)PerlIO_seek(fp, 0L, 2); /* ultrix 1.2 workaround */ | |
bee1dbe2 | 1040 | #endif |
8903cb82 | 1041 | return PerlIO_seek(fp, pos, whence) >= 0; |
137443ea | 1042 | } |
411caa50 JH |
1043 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) |
1044 | report_evil_fh(gv, io, PL_op->op_type); | |
748a9306 | 1045 | SETERRNO(EBADF,RMS$_IFI); |
a687059c LW |
1046 | return FALSE; |
1047 | } | |
1048 | ||
97cc44eb | 1049 | Off_t |
864dbfa3 | 1050 | Perl_do_sysseek(pTHX_ GV *gv, Off_t pos, int whence) |
8903cb82 | 1051 | { |
9c5ffd7c | 1052 | register IO *io = 0; |
8903cb82 | 1053 | register PerlIO *fp; |
1054 | ||
1055 | if (gv && (io = GvIO(gv)) && (fp = IoIFP(io))) | |
3028581b | 1056 | return PerlLIO_lseek(PerlIO_fileno(fp), pos, whence); |
411caa50 JH |
1057 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) |
1058 | report_evil_fh(gv, io, PL_op->op_type); | |
8903cb82 | 1059 | SETERRNO(EBADF,RMS$_IFI); |
d9b3e12d | 1060 | return (Off_t)-1; |
8903cb82 | 1061 | } |
1062 | ||
6ff81951 | 1063 | int |
16fe6d59 GS |
1064 | Perl_mode_from_discipline(pTHX_ SV *discp) |
1065 | { | |
1066 | int mode = O_BINARY; | |
1067 | if (discp) { | |
1068 | STRLEN len; | |
1069 | char *s = SvPV(discp,len); | |
1070 | while (*s) { | |
1071 | if (*s == ':') { | |
1072 | switch (s[1]) { | |
1073 | case 'r': | |
1074 | if (len > 3 && strnEQ(s+1, "raw", 3) | |
1075 | && (!s[4] || s[4] == ':' || isSPACE(s[4]))) | |
1076 | { | |
1077 | mode = O_BINARY; | |
1078 | s += 4; | |
1079 | len -= 4; | |
1080 | break; | |
1081 | } | |
1082 | /* FALL THROUGH */ | |
1083 | case 'c': | |
1084 | if (len > 4 && strnEQ(s+1, "crlf", 4) | |
1085 | && (!s[5] || s[5] == ':' || isSPACE(s[5]))) | |
1086 | { | |
1087 | mode = O_TEXT; | |
1088 | s += 5; | |
1089 | len -= 5; | |
1090 | break; | |
1091 | } | |
1092 | /* FALL THROUGH */ | |
1093 | default: | |
1094 | goto fail_discipline; | |
1095 | } | |
1096 | } | |
1097 | else if (isSPACE(*s)) { | |
1098 | ++s; | |
1099 | --len; | |
1100 | } | |
1101 | else { | |
1102 | char *end; | |
1103 | fail_discipline: | |
1104 | end = strchr(s+1, ':'); | |
1105 | if (!end) | |
1106 | end = s+len; | |
60382766 | 1107 | #ifndef PERLIO_LAYERS |
16fe6d59 | 1108 | Perl_croak(aTHX_ "Unknown discipline '%.*s'", end-s, s); |
60382766 NIS |
1109 | #else |
1110 | s = end; | |
1111 | #endif | |
16fe6d59 GS |
1112 | } |
1113 | } | |
1114 | } | |
1115 | return mode; | |
1116 | } | |
1117 | ||
1118 | int | |
1119 | Perl_do_binmode(pTHX_ PerlIO *fp, int iotype, int mode) | |
6ff81951 | 1120 | { |
60382766 NIS |
1121 | /* The old body of this is now in non-LAYER part of perlio.c |
1122 | * This is a stub for any XS code which might have been calling it. | |
1123 | */ | |
1124 | char *name = (O_BINARY != O_TEXT && !(mode & O_BINARY)) ? ":crlf" : ":raw"; | |
1125 | return PerlIO_binmode(aTHX_ fp, iotype, mode, name); | |
6ff81951 GS |
1126 | } |
1127 | ||
a0d0e21e | 1128 | #if !defined(HAS_TRUNCATE) && !defined(HAS_CHSIZE) && defined(F_FREESP) |
c2ab57d4 | 1129 | /* code courtesy of William Kucharski */ |
fe14fcc3 | 1130 | #define HAS_CHSIZE |
6eb13c3b | 1131 | |
517844ec | 1132 | I32 my_chsize(fd, length) |
79072805 | 1133 | I32 fd; /* file descriptor */ |
85e6fe83 | 1134 | Off_t length; /* length to set file to */ |
6eb13c3b | 1135 | { |
6eb13c3b LW |
1136 | struct flock fl; |
1137 | struct stat filebuf; | |
1138 | ||
3028581b | 1139 | if (PerlLIO_fstat(fd, &filebuf) < 0) |
6eb13c3b LW |
1140 | return -1; |
1141 | ||
1142 | if (filebuf.st_size < length) { | |
1143 | ||
1144 | /* extend file length */ | |
1145 | ||
3028581b | 1146 | if ((PerlLIO_lseek(fd, (length - 1), 0)) < 0) |
6eb13c3b LW |
1147 | return -1; |
1148 | ||
1149 | /* write a "0" byte */ | |
1150 | ||
3028581b | 1151 | if ((PerlLIO_write(fd, "", 1)) != 1) |
6eb13c3b LW |
1152 | return -1; |
1153 | } | |
1154 | else { | |
1155 | /* truncate length */ | |
1156 | ||
1157 | fl.l_whence = 0; | |
1158 | fl.l_len = 0; | |
1159 | fl.l_start = length; | |
a0d0e21e | 1160 | fl.l_type = F_WRLCK; /* write lock on file space */ |
6eb13c3b LW |
1161 | |
1162 | /* | |
a0d0e21e | 1163 | * This relies on the UNDOCUMENTED F_FREESP argument to |
6eb13c3b LW |
1164 | * fcntl(2), which truncates the file so that it ends at the |
1165 | * position indicated by fl.l_start. | |
1166 | * | |
1167 | * Will minor miracles never cease? | |
1168 | */ | |
1169 | ||
a0d0e21e | 1170 | if (fcntl(fd, F_FREESP, &fl) < 0) |
6eb13c3b LW |
1171 | return -1; |
1172 | ||
1173 | } | |
1174 | ||
1175 | return 0; | |
1176 | } | |
a0d0e21e | 1177 | #endif /* F_FREESP */ |
ff8e2863 | 1178 | |
a687059c | 1179 | bool |
864dbfa3 | 1180 | Perl_do_print(pTHX_ register SV *sv, PerlIO *fp) |
a687059c LW |
1181 | { |
1182 | register char *tmps; | |
463ee0b2 | 1183 | STRLEN len; |
a687059c | 1184 | |
79072805 LW |
1185 | /* assuming fp is checked earlier */ |
1186 | if (!sv) | |
1187 | return TRUE; | |
3280af22 | 1188 | if (PL_ofmt) { |
8990e307 | 1189 | if (SvGMAGICAL(sv)) |
79072805 | 1190 | mg_get(sv); |
463ee0b2 | 1191 | if (SvIOK(sv) && SvIVX(sv) != 0) { |
65202027 | 1192 | PerlIO_printf(fp, PL_ofmt, (NV)SvIVX(sv)); |
760ac839 | 1193 | return !PerlIO_error(fp); |
79072805 | 1194 | } |
463ee0b2 | 1195 | if ( (SvNOK(sv) && SvNVX(sv) != 0.0) |
79072805 | 1196 | || (looks_like_number(sv) && sv_2nv(sv) != 0.0) ) { |
3280af22 | 1197 | PerlIO_printf(fp, PL_ofmt, SvNVX(sv)); |
760ac839 | 1198 | return !PerlIO_error(fp); |
79072805 | 1199 | } |
a687059c | 1200 | } |
79072805 LW |
1201 | switch (SvTYPE(sv)) { |
1202 | case SVt_NULL: | |
411caa50 JH |
1203 | if (ckWARN(WARN_UNINITIALIZED)) |
1204 | report_uninit(); | |
ff8e2863 | 1205 | return TRUE; |
79072805 | 1206 | case SVt_IV: |
a0d0e21e LW |
1207 | if (SvIOK(sv)) { |
1208 | if (SvGMAGICAL(sv)) | |
1209 | mg_get(sv); | |
cf2093f6 | 1210 | if (SvIsUV(sv)) |
57def98f | 1211 | PerlIO_printf(fp, "%"UVuf, (UV)SvUVX(sv)); |
cf2093f6 | 1212 | else |
57def98f | 1213 | PerlIO_printf(fp, "%"IVdf, (IV)SvIVX(sv)); |
760ac839 | 1214 | return !PerlIO_error(fp); |
a0d0e21e LW |
1215 | } |
1216 | /* FALL THROUGH */ | |
79072805 | 1217 | default: |
7d59b7e4 | 1218 | if (PerlIO_isutf8(fp)) { |
f9a63242 JH |
1219 | if (!SvUTF8(sv)) |
1220 | sv_utf8_upgrade(sv = sv_mortalcopy(sv)); | |
7d59b7e4 | 1221 | } |
ae798467 NIS |
1222 | else if (DO_UTF8(sv)) { |
1223 | if (!sv_utf8_downgrade((sv = sv_mortalcopy(sv)), TRUE)) { | |
1224 | Perl_warner(aTHX_ WARN_UTF8, "Wide character in print"); | |
1225 | } | |
1226 | } | |
f9a63242 | 1227 | tmps = SvPV(sv, len); |
79072805 | 1228 | break; |
ff8e2863 | 1229 | } |
94e4c244 JH |
1230 | /* To detect whether the process is about to overstep its |
1231 | * filesize limit we would need getrlimit(). We could then | |
1232 | * also transparently raise the limit with setrlimit() -- | |
1233 | * but only until the system hard limit/the filesystem limit, | |
c5dd3cdd JH |
1234 | * at which we would get EPERM. Note that when using buffered |
1235 | * io the write failure can be delayed until the flush/close. --jhi */ | |
a21ac455 | 1236 | if (len && (PerlIO_write(fp,tmps,len) == 0)) |
a687059c | 1237 | return FALSE; |
760ac839 | 1238 | return !PerlIO_error(fp); |
a687059c LW |
1239 | } |
1240 | ||
79072805 | 1241 | I32 |
cea2e8a9 | 1242 | Perl_my_stat(pTHX) |
a687059c | 1243 | { |
39644a26 | 1244 | dSP; |
79072805 | 1245 | IO *io; |
2dd78f96 | 1246 | GV* gv; |
79072805 | 1247 | |
533c011a | 1248 | if (PL_op->op_flags & OPf_REF) { |
924508f0 | 1249 | EXTEND(SP,1); |
2dd78f96 | 1250 | gv = cGVOP_gv; |
748a9306 | 1251 | do_fstat: |
2dd78f96 | 1252 | io = GvIO(gv); |
8990e307 | 1253 | if (io && IoIFP(io)) { |
2dd78f96 | 1254 | PL_statgv = gv; |
3280af22 NIS |
1255 | sv_setpv(PL_statname,""); |
1256 | PL_laststype = OP_STAT; | |
1257 | return (PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache)); | |
a687059c LW |
1258 | } |
1259 | else { | |
2dd78f96 | 1260 | if (gv == PL_defgv) |
3280af22 | 1261 | return PL_laststatval; |
2dd78f96 JH |
1262 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) |
1263 | report_evil_fh(gv, io, PL_op->op_type); | |
3280af22 NIS |
1264 | PL_statgv = Nullgv; |
1265 | sv_setpv(PL_statname,""); | |
1266 | return (PL_laststatval = -1); | |
a687059c LW |
1267 | } |
1268 | } | |
1269 | else { | |
748a9306 | 1270 | SV* sv = POPs; |
4b74e3fb | 1271 | char *s; |
2d8e6c8d | 1272 | STRLEN n_a; |
79072805 | 1273 | PUTBACK; |
748a9306 | 1274 | if (SvTYPE(sv) == SVt_PVGV) { |
2dd78f96 | 1275 | gv = (GV*)sv; |
748a9306 LW |
1276 | goto do_fstat; |
1277 | } | |
1278 | else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) { | |
2dd78f96 | 1279 | gv = (GV*)SvRV(sv); |
748a9306 LW |
1280 | goto do_fstat; |
1281 | } | |
1282 | ||
2d8e6c8d | 1283 | s = SvPV(sv, n_a); |
3280af22 NIS |
1284 | PL_statgv = Nullgv; |
1285 | sv_setpv(PL_statname, s); | |
1286 | PL_laststype = OP_STAT; | |
1287 | PL_laststatval = PerlLIO_stat(s, &PL_statcache); | |
599cee73 | 1288 | if (PL_laststatval < 0 && ckWARN(WARN_NEWLINE) && strchr(s, '\n')) |
cea2e8a9 | 1289 | Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "stat"); |
3280af22 | 1290 | return PL_laststatval; |
a687059c LW |
1291 | } |
1292 | } | |
1293 | ||
79072805 | 1294 | I32 |
cea2e8a9 | 1295 | Perl_my_lstat(pTHX) |
c623bd54 | 1296 | { |
39644a26 | 1297 | dSP; |
79072805 | 1298 | SV *sv; |
2d8e6c8d | 1299 | STRLEN n_a; |
533c011a | 1300 | if (PL_op->op_flags & OPf_REF) { |
924508f0 | 1301 | EXTEND(SP,1); |
638eceb6 | 1302 | if (cGVOP_gv == PL_defgv) { |
3280af22 | 1303 | if (PL_laststype != OP_LSTAT) |
cea2e8a9 | 1304 | Perl_croak(aTHX_ "The stat preceding -l _ wasn't an lstat"); |
3280af22 | 1305 | return PL_laststatval; |
fe14fcc3 | 1306 | } |
cea2e8a9 | 1307 | Perl_croak(aTHX_ "You can't use -l on a filehandle"); |
fe14fcc3 | 1308 | } |
c623bd54 | 1309 | |
3280af22 NIS |
1310 | PL_laststype = OP_LSTAT; |
1311 | PL_statgv = Nullgv; | |
79072805 LW |
1312 | sv = POPs; |
1313 | PUTBACK; | |
2d8e6c8d | 1314 | sv_setpv(PL_statname,SvPV(sv, n_a)); |
2d8e6c8d | 1315 | PL_laststatval = PerlLIO_lstat(SvPV(sv, n_a),&PL_statcache); |
2d8e6c8d | 1316 | if (PL_laststatval < 0 && ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n')) |
cea2e8a9 | 1317 | Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "lstat"); |
3280af22 | 1318 | return PL_laststatval; |
c623bd54 LW |
1319 | } |
1320 | ||
a687059c | 1321 | bool |
864dbfa3 | 1322 | Perl_do_aexec(pTHX_ SV *really, register SV **mark, register SV **sp) |
a687059c | 1323 | { |
d5a9bfb0 IZ |
1324 | return do_aexec5(really, mark, sp, 0, 0); |
1325 | } | |
1326 | ||
1327 | bool | |
2aa1486d GS |
1328 | Perl_do_aexec5(pTHX_ SV *really, register SV **mark, register SV **sp, |
1329 | int fd, int do_report) | |
d5a9bfb0 | 1330 | { |
cd39f2b6 JH |
1331 | #ifdef MACOS_TRADITIONAL |
1332 | Perl_croak(aTHX_ "exec? I'm not *that* kind of operating system"); | |
1333 | #else | |
a687059c | 1334 | register char **a; |
9c5ffd7c | 1335 | char *tmps = Nullch; |
2d8e6c8d | 1336 | STRLEN n_a; |
a687059c | 1337 | |
79072805 | 1338 | if (sp > mark) { |
3280af22 NIS |
1339 | New(401,PL_Argv, sp - mark + 1, char*); |
1340 | a = PL_Argv; | |
79072805 LW |
1341 | while (++mark <= sp) { |
1342 | if (*mark) | |
2d8e6c8d | 1343 | *a++ = SvPVx(*mark, n_a); |
a687059c LW |
1344 | else |
1345 | *a++ = ""; | |
1346 | } | |
1347 | *a = Nullch; | |
91b2752f RG |
1348 | if (really) |
1349 | tmps = SvPV(really, n_a); | |
1350 | if ((!really && *PL_Argv[0] != '/') || | |
1351 | (really && *tmps != '/')) /* will execvp use PATH? */ | |
79072805 | 1352 | TAINT_ENV(); /* testing IFS here is overkill, probably */ |
91b2752f | 1353 | if (really && *tmps) |
b4748376 | 1354 | PerlProc_execvp(tmps,EXEC_ARGV_CAST(PL_Argv)); |
a687059c | 1355 | else |
b4748376 | 1356 | PerlProc_execvp(PL_Argv[0],EXEC_ARGV_CAST(PL_Argv)); |
599cee73 | 1357 | if (ckWARN(WARN_EXEC)) |
a1d180c4 | 1358 | Perl_warner(aTHX_ WARN_EXEC, "Can't exec \"%s\": %s", |
91b2752f | 1359 | (really ? tmps : PL_Argv[0]), Strerror(errno)); |
d5a9bfb0 IZ |
1360 | if (do_report) { |
1361 | int e = errno; | |
1362 | ||
1363 | PerlLIO_write(fd, (void*)&e, sizeof(int)); | |
1364 | PerlLIO_close(fd); | |
1365 | } | |
a687059c | 1366 | } |
bee1dbe2 | 1367 | do_execfree(); |
cd39f2b6 | 1368 | #endif |
a687059c LW |
1369 | return FALSE; |
1370 | } | |
1371 | ||
fe14fcc3 | 1372 | void |
864dbfa3 | 1373 | Perl_do_execfree(pTHX) |
ff8e2863 | 1374 | { |
3280af22 NIS |
1375 | if (PL_Argv) { |
1376 | Safefree(PL_Argv); | |
1377 | PL_Argv = Null(char **); | |
ff8e2863 | 1378 | } |
3280af22 NIS |
1379 | if (PL_Cmd) { |
1380 | Safefree(PL_Cmd); | |
1381 | PL_Cmd = Nullch; | |
ff8e2863 LW |
1382 | } |
1383 | } | |
1384 | ||
cd39f2b6 | 1385 | #if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(MACOS_TRADITIONAL) |
760ac839 | 1386 | |
a687059c | 1387 | bool |
864dbfa3 | 1388 | Perl_do_exec(pTHX_ char *cmd) |
a687059c | 1389 | { |
e446cec8 IZ |
1390 | return do_exec3(cmd,0,0); |
1391 | } | |
1392 | ||
1393 | bool | |
864dbfa3 | 1394 | Perl_do_exec3(pTHX_ char *cmd, int fd, int do_report) |
e446cec8 | 1395 | { |
a687059c LW |
1396 | register char **a; |
1397 | register char *s; | |
a687059c LW |
1398 | char flags[10]; |
1399 | ||
748a9306 LW |
1400 | while (*cmd && isSPACE(*cmd)) |
1401 | cmd++; | |
1402 | ||
a687059c LW |
1403 | /* save an extra exec if possible */ |
1404 | ||
bf38876a | 1405 | #ifdef CSH |
3280af22 | 1406 | if (strnEQ(cmd,PL_cshname,PL_cshlen) && strnEQ(cmd+PL_cshlen," -c",3)) { |
a687059c | 1407 | strcpy(flags,"-c"); |
3280af22 | 1408 | s = cmd+PL_cshlen+3; |
a687059c LW |
1409 | if (*s == 'f') { |
1410 | s++; | |
1411 | strcat(flags,"f"); | |
1412 | } | |
1413 | if (*s == ' ') | |
1414 | s++; | |
1415 | if (*s++ == '\'') { | |
1416 | char *ncmd = s; | |
1417 | ||
1418 | while (*s) | |
1419 | s++; | |
1420 | if (s[-1] == '\n') | |
1421 | *--s = '\0'; | |
1422 | if (s[-1] == '\'') { | |
1423 | *--s = '\0'; | |
3280af22 | 1424 | PerlProc_execl(PL_cshname,"csh", flags,ncmd,(char*)0); |
a687059c LW |
1425 | *s = '\''; |
1426 | return FALSE; | |
1427 | } | |
1428 | } | |
1429 | } | |
bf38876a | 1430 | #endif /* CSH */ |
a687059c LW |
1431 | |
1432 | /* see if there are shell metacharacters in it */ | |
1433 | ||
748a9306 LW |
1434 | if (*cmd == '.' && isSPACE(cmd[1])) |
1435 | goto doshell; | |
1436 | ||
1437 | if (strnEQ(cmd,"exec",4) && isSPACE(cmd[4])) | |
1438 | goto doshell; | |
1439 | ||
c170e444 | 1440 | for (s = cmd; *s && isALNUM(*s); s++) ; /* catch VAR=val gizmo */ |
63f2c1e1 LW |
1441 | if (*s == '=') |
1442 | goto doshell; | |
748a9306 | 1443 | |
a687059c | 1444 | for (s = cmd; *s; s++) { |
93a17b20 | 1445 | if (*s != ' ' && !isALPHA(*s) && strchr("$&*(){}[]'\";\\|?<>~`\n",*s)) { |
a687059c LW |
1446 | if (*s == '\n' && !s[1]) { |
1447 | *s = '\0'; | |
1448 | break; | |
1449 | } | |
603a98b0 IZ |
1450 | /* handle the 2>&1 construct at the end */ |
1451 | if (*s == '>' && s[1] == '&' && s[2] == '1' | |
1452 | && s > cmd + 1 && s[-1] == '2' && isSPACE(s[-2]) | |
1453 | && (!s[3] || isSPACE(s[3]))) | |
1454 | { | |
1455 | char *t = s + 3; | |
1456 | ||
1457 | while (*t && isSPACE(*t)) | |
1458 | ++t; | |
1459 | if (!*t && (dup2(1,2) != -1)) { | |
1460 | s[-2] = '\0'; | |
1461 | break; | |
1462 | } | |
1463 | } | |
a687059c | 1464 | doshell: |
3280af22 | 1465 | PerlProc_execl(PL_sh_path, "sh", "-c", cmd, (char*)0); |
a687059c LW |
1466 | return FALSE; |
1467 | } | |
1468 | } | |
748a9306 | 1469 | |
3280af22 NIS |
1470 | New(402,PL_Argv, (s - cmd) / 2 + 2, char*); |
1471 | PL_Cmd = savepvn(cmd, s-cmd); | |
1472 | a = PL_Argv; | |
1473 | for (s = PL_Cmd; *s;) { | |
99b89507 | 1474 | while (*s && isSPACE(*s)) s++; |
a687059c LW |
1475 | if (*s) |
1476 | *(a++) = s; | |
99b89507 | 1477 | while (*s && !isSPACE(*s)) s++; |
a687059c LW |
1478 | if (*s) |
1479 | *s++ = '\0'; | |
1480 | } | |
1481 | *a = Nullch; | |
3280af22 NIS |
1482 | if (PL_Argv[0]) { |
1483 | PerlProc_execvp(PL_Argv[0],PL_Argv); | |
b1248f16 | 1484 | if (errno == ENOEXEC) { /* for system V NIH syndrome */ |
ff8e2863 | 1485 | do_execfree(); |
a687059c | 1486 | goto doshell; |
b1248f16 | 1487 | } |
d008e5eb | 1488 | { |
e446cec8 IZ |
1489 | int e = errno; |
1490 | ||
d008e5eb | 1491 | if (ckWARN(WARN_EXEC)) |
a1d180c4 | 1492 | Perl_warner(aTHX_ WARN_EXEC, "Can't exec \"%s\": %s", |
d008e5eb | 1493 | PL_Argv[0], Strerror(errno)); |
e446cec8 IZ |
1494 | if (do_report) { |
1495 | PerlLIO_write(fd, (void*)&e, sizeof(int)); | |
1496 | PerlLIO_close(fd); | |
1497 | } | |
d008e5eb | 1498 | } |
a687059c | 1499 | } |
ff8e2863 | 1500 | do_execfree(); |
a687059c LW |
1501 | return FALSE; |
1502 | } | |
1503 | ||
6890e559 | 1504 | #endif /* OS2 || WIN32 */ |
760ac839 | 1505 | |
79072805 | 1506 | I32 |
864dbfa3 | 1507 | Perl_apply(pTHX_ I32 type, register SV **mark, register SV **sp) |
a687059c | 1508 | { |
79072805 LW |
1509 | register I32 val; |
1510 | register I32 val2; | |
1511 | register I32 tot = 0; | |
20408e3c | 1512 | char *what; |
a687059c | 1513 | char *s; |
79072805 | 1514 | SV **oldmark = mark; |
2d8e6c8d | 1515 | STRLEN n_a; |
a687059c | 1516 | |
20408e3c | 1517 | #define APPLY_TAINT_PROPER() \ |
3280af22 | 1518 | STMT_START { \ |
17406bd6 | 1519 | if (PL_tainted) { TAINT_PROPER(what); } \ |
873ef191 | 1520 | } STMT_END |
20408e3c GS |
1521 | |
1522 | /* This is a first heuristic; it doesn't catch tainting magic. */ | |
3280af22 | 1523 | if (PL_tainting) { |
463ee0b2 | 1524 | while (++mark <= sp) { |
bbce6d69 | 1525 | if (SvTAINTED(*mark)) { |
1526 | TAINT; | |
1527 | break; | |
1528 | } | |
463ee0b2 LW |
1529 | } |
1530 | mark = oldmark; | |
1531 | } | |
a687059c | 1532 | switch (type) { |
79072805 | 1533 | case OP_CHMOD: |
20408e3c GS |
1534 | what = "chmod"; |
1535 | APPLY_TAINT_PROPER(); | |
79072805 | 1536 | if (++mark <= sp) { |
463ee0b2 | 1537 | val = SvIVx(*mark); |
20408e3c GS |
1538 | APPLY_TAINT_PROPER(); |
1539 | tot = sp - mark; | |
79072805 | 1540 | while (++mark <= sp) { |
2d8e6c8d | 1541 | char *name = SvPVx(*mark, n_a); |
20408e3c GS |
1542 | APPLY_TAINT_PROPER(); |
1543 | if (PerlLIO_chmod(name, val)) | |
a687059c LW |
1544 | tot--; |
1545 | } | |
1546 | } | |
1547 | break; | |
fe14fcc3 | 1548 | #ifdef HAS_CHOWN |
79072805 | 1549 | case OP_CHOWN: |
20408e3c GS |
1550 | what = "chown"; |
1551 | APPLY_TAINT_PROPER(); | |
79072805 | 1552 | if (sp - mark > 2) { |
463ee0b2 LW |
1553 | val = SvIVx(*++mark); |
1554 | val2 = SvIVx(*++mark); | |
20408e3c | 1555 | APPLY_TAINT_PROPER(); |
a0d0e21e | 1556 | tot = sp - mark; |
79072805 | 1557 | while (++mark <= sp) { |
2d8e6c8d | 1558 | char *name = SvPVx(*mark, n_a); |
20408e3c | 1559 | APPLY_TAINT_PROPER(); |
36660982 | 1560 | if (PerlLIO_chown(name, val, val2)) |
a687059c LW |
1561 | tot--; |
1562 | } | |
1563 | } | |
1564 | break; | |
b1248f16 | 1565 | #endif |
a1d180c4 | 1566 | /* |
dd64f1c3 AD |
1567 | XXX Should we make lchown() directly available from perl? |
1568 | For now, we'll let Configure test for HAS_LCHOWN, but do | |
1569 | nothing in the core. | |
1570 | --AD 5/1998 | |
1571 | */ | |
fe14fcc3 | 1572 | #ifdef HAS_KILL |
79072805 | 1573 | case OP_KILL: |
20408e3c GS |
1574 | what = "kill"; |
1575 | APPLY_TAINT_PROPER(); | |
55497cff | 1576 | if (mark == sp) |
1577 | break; | |
2d8e6c8d | 1578 | s = SvPVx(*++mark, n_a); |
79072805 LW |
1579 | if (isUPPER(*s)) { |
1580 | if (*s == 'S' && s[1] == 'I' && s[2] == 'G') | |
1581 | s += 3; | |
1582 | if (!(val = whichsig(s))) | |
cea2e8a9 | 1583 | Perl_croak(aTHX_ "Unrecognized signal name \"%s\"",s); |
79072805 LW |
1584 | } |
1585 | else | |
463ee0b2 | 1586 | val = SvIVx(*mark); |
20408e3c GS |
1587 | APPLY_TAINT_PROPER(); |
1588 | tot = sp - mark; | |
3595fcef | 1589 | #ifdef VMS |
1590 | /* kill() doesn't do process groups (job trees?) under VMS */ | |
1591 | if (val < 0) val = -val; | |
1592 | if (val == SIGKILL) { | |
1593 | # include <starlet.h> | |
1594 | /* Use native sys$delprc() to insure that target process is | |
1595 | * deleted; supervisor-mode images don't pay attention to | |
1596 | * CRTL's emulation of Unix-style signals and kill() | |
1597 | */ | |
1598 | while (++mark <= sp) { | |
1599 | I32 proc = SvIVx(*mark); | |
1600 | register unsigned long int __vmssts; | |
20408e3c | 1601 | APPLY_TAINT_PROPER(); |
3595fcef | 1602 | if (!((__vmssts = sys$delprc(&proc,0)) & 1)) { |
1603 | tot--; | |
1604 | switch (__vmssts) { | |
1605 | case SS$_NONEXPR: | |
1606 | case SS$_NOSUCHNODE: | |
1607 | SETERRNO(ESRCH,__vmssts); | |
1608 | break; | |
1609 | case SS$_NOPRIV: | |
1610 | SETERRNO(EPERM,__vmssts); | |
1611 | break; | |
1612 | default: | |
1613 | SETERRNO(EVMSERR,__vmssts); | |
1614 | } | |
1615 | } | |
1616 | } | |
1617 | break; | |
1618 | } | |
1619 | #endif | |
79072805 LW |
1620 | if (val < 0) { |
1621 | val = -val; | |
1622 | while (++mark <= sp) { | |
463ee0b2 | 1623 | I32 proc = SvIVx(*mark); |
20408e3c | 1624 | APPLY_TAINT_PROPER(); |
fe14fcc3 | 1625 | #ifdef HAS_KILLPG |
3028581b | 1626 | if (PerlProc_killpg(proc,val)) /* BSD */ |
a687059c | 1627 | #else |
3028581b | 1628 | if (PerlProc_kill(-proc,val)) /* SYSV */ |
a687059c | 1629 | #endif |
79072805 | 1630 | tot--; |
a687059c | 1631 | } |
79072805 LW |
1632 | } |
1633 | else { | |
1634 | while (++mark <= sp) { | |
20408e3c GS |
1635 | I32 proc = SvIVx(*mark); |
1636 | APPLY_TAINT_PROPER(); | |
1637 | if (PerlProc_kill(proc, val)) | |
79072805 | 1638 | tot--; |
a687059c LW |
1639 | } |
1640 | } | |
1641 | break; | |
b1248f16 | 1642 | #endif |
79072805 | 1643 | case OP_UNLINK: |
20408e3c GS |
1644 | what = "unlink"; |
1645 | APPLY_TAINT_PROPER(); | |
79072805 LW |
1646 | tot = sp - mark; |
1647 | while (++mark <= sp) { | |
2d8e6c8d | 1648 | s = SvPVx(*mark, n_a); |
20408e3c | 1649 | APPLY_TAINT_PROPER(); |
3280af22 | 1650 | if (PL_euid || PL_unsafe) { |
a687059c LW |
1651 | if (UNLINK(s)) |
1652 | tot--; | |
1653 | } | |
1654 | else { /* don't let root wipe out directories without -U */ | |
3280af22 | 1655 | if (PerlLIO_lstat(s,&PL_statbuf) < 0 || S_ISDIR(PL_statbuf.st_mode)) |
a687059c LW |
1656 | tot--; |
1657 | else { | |
1658 | if (UNLINK(s)) | |
1659 | tot--; | |
1660 | } | |
1661 | } | |
1662 | } | |
1663 | break; | |
a0d0e21e | 1664 | #ifdef HAS_UTIME |
79072805 | 1665 | case OP_UTIME: |
20408e3c GS |
1666 | what = "utime"; |
1667 | APPLY_TAINT_PROPER(); | |
79072805 | 1668 | if (sp - mark > 2) { |
748a9306 | 1669 | #if defined(I_UTIME) || defined(VMS) |
663a0e37 LW |
1670 | struct utimbuf utbuf; |
1671 | #else | |
a687059c | 1672 | struct { |
dd2821f6 GS |
1673 | Time_t actime; |
1674 | Time_t modtime; | |
a687059c | 1675 | } utbuf; |
663a0e37 | 1676 | #endif |
a687059c | 1677 | |
c6f7b413 RS |
1678 | SV* accessed = *++mark; |
1679 | SV* modified = *++mark; | |
1680 | void * utbufp = &utbuf; | |
1681 | ||
1682 | /* be like C, and if both times are undefined, let the C | |
1683 | library figure out what to do. This usually means | |
1684 | "current time" */ | |
1685 | ||
1686 | if ( accessed == &PL_sv_undef && modified == &PL_sv_undef ) | |
1687 | utbufp = NULL; | |
1688 | ||
afd9f252 | 1689 | Zero(&utbuf, sizeof utbuf, char); |
517844ec | 1690 | #ifdef BIG_TIME |
c6f7b413 RS |
1691 | utbuf.actime = (Time_t)SvNVx(accessed); /* time accessed */ |
1692 | utbuf.modtime = (Time_t)SvNVx(modified); /* time modified */ | |
517844ec | 1693 | #else |
c6f7b413 RS |
1694 | utbuf.actime = (Time_t)SvIVx(accessed); /* time accessed */ |
1695 | utbuf.modtime = (Time_t)SvIVx(modified); /* time modified */ | |
517844ec | 1696 | #endif |
20408e3c | 1697 | APPLY_TAINT_PROPER(); |
79072805 LW |
1698 | tot = sp - mark; |
1699 | while (++mark <= sp) { | |
2d8e6c8d | 1700 | char *name = SvPVx(*mark, n_a); |
20408e3c | 1701 | APPLY_TAINT_PROPER(); |
c6f7b413 | 1702 | if (PerlLIO_utime(name, utbufp)) |
a687059c LW |
1703 | tot--; |
1704 | } | |
a687059c LW |
1705 | } |
1706 | else | |
79072805 | 1707 | tot = 0; |
a687059c | 1708 | break; |
a0d0e21e | 1709 | #endif |
a687059c LW |
1710 | } |
1711 | return tot; | |
20408e3c | 1712 | |
20408e3c | 1713 | #undef APPLY_TAINT_PROPER |
a687059c LW |
1714 | } |
1715 | ||
1716 | /* Do the permissions allow some operation? Assumes statcache already set. */ | |
a0d0e21e | 1717 | #ifndef VMS /* VMS' cando is in vms.c */ |
7f4774ae JH |
1718 | bool |
1719 | Perl_cando(pTHX_ Mode_t mode, Uid_t effective, register Stat_t *statbufp) | |
1720 | /* Note: we use `effective' both for uids and gids. | |
1721 | * Here we are betting on Uid_t being equal or wider than Gid_t. */ | |
a687059c | 1722 | { |
bee1dbe2 | 1723 | #ifdef DOSISH |
fe14fcc3 LW |
1724 | /* [Comments and code from Len Reed] |
1725 | * MS-DOS "user" is similar to UNIX's "superuser," but can't write | |
1726 | * to write-protected files. The execute permission bit is set | |
1727 | * by the Miscrosoft C library stat() function for the following: | |
1728 | * .exe files | |
1729 | * .com files | |
1730 | * .bat files | |
1731 | * directories | |
1732 | * All files and directories are readable. | |
1733 | * Directories and special files, e.g. "CON", cannot be | |
1734 | * write-protected. | |
1735 | * [Comment by Tom Dinger -- a directory can have the write-protect | |
1736 | * bit set in the file system, but DOS permits changes to | |
1737 | * the directory anyway. In addition, all bets are off | |
1738 | * here for networked software, such as Novell and | |
1739 | * Sun's PC-NFS.] | |
1740 | */ | |
1741 | ||
bee1dbe2 LW |
1742 | /* Atari stat() does pretty much the same thing. we set x_bit_set_in_stat |
1743 | * too so it will actually look into the files for magic numbers | |
1744 | */ | |
7f4774ae | 1745 | return (mode & statbufp->st_mode) ? TRUE : FALSE; |
fe14fcc3 | 1746 | |
55497cff | 1747 | #else /* ! DOSISH */ |
3280af22 | 1748 | if ((effective ? PL_euid : PL_uid) == 0) { /* root is special */ |
7f4774ae | 1749 | if (mode == S_IXUSR) { |
c623bd54 | 1750 | if (statbufp->st_mode & 0111 || S_ISDIR(statbufp->st_mode)) |
a687059c LW |
1751 | return TRUE; |
1752 | } | |
1753 | else | |
1754 | return TRUE; /* root reads and writes anything */ | |
1755 | return FALSE; | |
1756 | } | |
3280af22 | 1757 | if (statbufp->st_uid == (effective ? PL_euid : PL_uid) ) { |
7f4774ae | 1758 | if (statbufp->st_mode & mode) |
a687059c LW |
1759 | return TRUE; /* ok as "user" */ |
1760 | } | |
d8eceb89 | 1761 | else if (ingroup(statbufp->st_gid,effective)) { |
7f4774ae | 1762 | if (statbufp->st_mode & mode >> 3) |
a687059c LW |
1763 | return TRUE; /* ok as "group" */ |
1764 | } | |
7f4774ae | 1765 | else if (statbufp->st_mode & mode >> 6) |
a687059c LW |
1766 | return TRUE; /* ok as "other" */ |
1767 | return FALSE; | |
55497cff | 1768 | #endif /* ! DOSISH */ |
a687059c | 1769 | } |
a0d0e21e | 1770 | #endif /* ! VMS */ |
a687059c | 1771 | |
d8eceb89 JH |
1772 | bool |
1773 | Perl_ingroup(pTHX_ Gid_t testgid, Uid_t effective) | |
a687059c | 1774 | { |
cd39f2b6 JH |
1775 | #ifdef MACOS_TRADITIONAL |
1776 | /* This is simply not correct for AppleShare, but fix it yerself. */ | |
1777 | return TRUE; | |
1778 | #else | |
3280af22 | 1779 | if (testgid == (effective ? PL_egid : PL_gid)) |
a687059c | 1780 | return TRUE; |
fe14fcc3 | 1781 | #ifdef HAS_GETGROUPS |
a687059c LW |
1782 | #ifndef NGROUPS |
1783 | #define NGROUPS 32 | |
1784 | #endif | |
1785 | { | |
a0d0e21e | 1786 | Groups_t gary[NGROUPS]; |
79072805 | 1787 | I32 anum; |
a687059c LW |
1788 | |
1789 | anum = getgroups(NGROUPS,gary); | |
1790 | while (--anum >= 0) | |
1791 | if (gary[anum] == testgid) | |
1792 | return TRUE; | |
1793 | } | |
1794 | #endif | |
1795 | return FALSE; | |
cd39f2b6 | 1796 | #endif |
a687059c | 1797 | } |
c2ab57d4 | 1798 | |
fe14fcc3 | 1799 | #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM) |
c2ab57d4 | 1800 | |
79072805 | 1801 | I32 |
864dbfa3 | 1802 | Perl_do_ipcget(pTHX_ I32 optype, SV **mark, SV **sp) |
c2ab57d4 | 1803 | { |
c2ab57d4 | 1804 | key_t key; |
79072805 | 1805 | I32 n, flags; |
c2ab57d4 | 1806 | |
463ee0b2 LW |
1807 | key = (key_t)SvNVx(*++mark); |
1808 | n = (optype == OP_MSGGET) ? 0 : SvIVx(*++mark); | |
1809 | flags = SvIVx(*++mark); | |
748a9306 | 1810 | SETERRNO(0,0); |
c2ab57d4 LW |
1811 | switch (optype) |
1812 | { | |
fe14fcc3 | 1813 | #ifdef HAS_MSG |
79072805 | 1814 | case OP_MSGGET: |
c2ab57d4 | 1815 | return msgget(key, flags); |
e5d73d77 | 1816 | #endif |
fe14fcc3 | 1817 | #ifdef HAS_SEM |
79072805 | 1818 | case OP_SEMGET: |
c2ab57d4 | 1819 | return semget(key, n, flags); |
e5d73d77 | 1820 | #endif |
fe14fcc3 | 1821 | #ifdef HAS_SHM |
79072805 | 1822 | case OP_SHMGET: |
c2ab57d4 | 1823 | return shmget(key, n, flags); |
e5d73d77 | 1824 | #endif |
fe14fcc3 | 1825 | #if !defined(HAS_MSG) || !defined(HAS_SEM) || !defined(HAS_SHM) |
e5d73d77 | 1826 | default: |
cea2e8a9 | 1827 | Perl_croak(aTHX_ "%s not implemented", PL_op_desc[optype]); |
e5d73d77 | 1828 | #endif |
c2ab57d4 LW |
1829 | } |
1830 | return -1; /* should never happen */ | |
1831 | } | |
1832 | ||
79072805 | 1833 | I32 |
864dbfa3 | 1834 | Perl_do_ipcctl(pTHX_ I32 optype, SV **mark, SV **sp) |
c2ab57d4 | 1835 | { |
79072805 | 1836 | SV *astr; |
c2ab57d4 | 1837 | char *a; |
a0d0e21e LW |
1838 | I32 id, n, cmd, infosize, getinfo; |
1839 | I32 ret = -1; | |
c2ab57d4 | 1840 | |
463ee0b2 LW |
1841 | id = SvIVx(*++mark); |
1842 | n = (optype == OP_SEMCTL) ? SvIVx(*++mark) : 0; | |
1843 | cmd = SvIVx(*++mark); | |
79072805 | 1844 | astr = *++mark; |
c2ab57d4 LW |
1845 | infosize = 0; |
1846 | getinfo = (cmd == IPC_STAT); | |
1847 | ||
1848 | switch (optype) | |
1849 | { | |
fe14fcc3 | 1850 | #ifdef HAS_MSG |
79072805 | 1851 | case OP_MSGCTL: |
c2ab57d4 LW |
1852 | if (cmd == IPC_STAT || cmd == IPC_SET) |
1853 | infosize = sizeof(struct msqid_ds); | |
1854 | break; | |
e5d73d77 | 1855 | #endif |
fe14fcc3 | 1856 | #ifdef HAS_SHM |
79072805 | 1857 | case OP_SHMCTL: |
c2ab57d4 LW |
1858 | if (cmd == IPC_STAT || cmd == IPC_SET) |
1859 | infosize = sizeof(struct shmid_ds); | |
1860 | break; | |
e5d73d77 | 1861 | #endif |
fe14fcc3 | 1862 | #ifdef HAS_SEM |
79072805 | 1863 | case OP_SEMCTL: |
39398f3f | 1864 | #ifdef Semctl |
c2ab57d4 LW |
1865 | if (cmd == IPC_STAT || cmd == IPC_SET) |
1866 | infosize = sizeof(struct semid_ds); | |
1867 | else if (cmd == GETALL || cmd == SETALL) | |
1868 | { | |
8e591e46 | 1869 | struct semid_ds semds; |
bd89102f | 1870 | union semun semun; |
e6f0bdd6 GS |
1871 | #ifdef EXTRA_F_IN_SEMUN_BUF |
1872 | semun.buff = &semds; | |
1873 | #else | |
84902520 | 1874 | semun.buf = &semds; |
e6f0bdd6 | 1875 | #endif |
c2ab57d4 | 1876 | getinfo = (cmd == GETALL); |
9b89d93d GB |
1877 | if (Semctl(id, 0, IPC_STAT, semun) == -1) |
1878 | return -1; | |
6e21c824 LW |
1879 | infosize = semds.sem_nsems * sizeof(short); |
1880 | /* "short" is technically wrong but much more portable | |
1881 | than guessing about u_?short(_t)? */ | |
c2ab57d4 | 1882 | } |
39398f3f | 1883 | #else |
cea2e8a9 | 1884 | Perl_croak(aTHX_ "%s not implemented", PL_op_desc[optype]); |
39398f3f | 1885 | #endif |
c2ab57d4 | 1886 | break; |
e5d73d77 | 1887 | #endif |
fe14fcc3 | 1888 | #if !defined(HAS_MSG) || !defined(HAS_SEM) || !defined(HAS_SHM) |
e5d73d77 | 1889 | default: |
cea2e8a9 | 1890 | Perl_croak(aTHX_ "%s not implemented", PL_op_desc[optype]); |
e5d73d77 | 1891 | #endif |
c2ab57d4 LW |
1892 | } |
1893 | ||
1894 | if (infosize) | |
1895 | { | |
a0d0e21e | 1896 | STRLEN len; |
c2ab57d4 LW |
1897 | if (getinfo) |
1898 | { | |
a0d0e21e LW |
1899 | SvPV_force(astr, len); |
1900 | a = SvGROW(astr, infosize+1); | |
c2ab57d4 LW |
1901 | } |
1902 | else | |
1903 | { | |
463ee0b2 LW |
1904 | a = SvPV(astr, len); |
1905 | if (len != infosize) | |
cea2e8a9 | 1906 | Perl_croak(aTHX_ "Bad arg length for %s, is %lu, should be %ld", |
4ec43091 JH |
1907 | PL_op_desc[optype], |
1908 | (unsigned long)len, | |
1909 | (long)infosize); | |
c2ab57d4 LW |
1910 | } |
1911 | } | |
1912 | else | |
1913 | { | |
c030ccd9 | 1914 | IV i = SvIV(astr); |
56431972 | 1915 | a = INT2PTR(char *,i); /* ouch */ |
c2ab57d4 | 1916 | } |
748a9306 | 1917 | SETERRNO(0,0); |
c2ab57d4 LW |
1918 | switch (optype) |
1919 | { | |
fe14fcc3 | 1920 | #ifdef HAS_MSG |
79072805 | 1921 | case OP_MSGCTL: |
bee1dbe2 | 1922 | ret = msgctl(id, cmd, (struct msqid_ds *)a); |
c2ab57d4 | 1923 | break; |
e5d73d77 | 1924 | #endif |
fe14fcc3 | 1925 | #ifdef HAS_SEM |
bd89102f | 1926 | case OP_SEMCTL: { |
39398f3f | 1927 | #ifdef Semctl |
bd89102f AD |
1928 | union semun unsemds; |
1929 | ||
e6f0bdd6 GS |
1930 | #ifdef EXTRA_F_IN_SEMUN_BUF |
1931 | unsemds.buff = (struct semid_ds *)a; | |
1932 | #else | |
bd89102f | 1933 | unsemds.buf = (struct semid_ds *)a; |
e6f0bdd6 | 1934 | #endif |
bd89102f | 1935 | ret = Semctl(id, n, cmd, unsemds); |
39398f3f | 1936 | #else |
cea2e8a9 | 1937 | Perl_croak(aTHX_ "%s not implemented", PL_op_desc[optype]); |
39398f3f | 1938 | #endif |
bd89102f | 1939 | } |
c2ab57d4 | 1940 | break; |
e5d73d77 | 1941 | #endif |
fe14fcc3 | 1942 | #ifdef HAS_SHM |
79072805 | 1943 | case OP_SHMCTL: |
bee1dbe2 | 1944 | ret = shmctl(id, cmd, (struct shmid_ds *)a); |
c2ab57d4 | 1945 | break; |
e5d73d77 | 1946 | #endif |
c2ab57d4 LW |
1947 | } |
1948 | if (getinfo && ret >= 0) { | |
79072805 LW |
1949 | SvCUR_set(astr, infosize); |
1950 | *SvEND(astr) = '\0'; | |
a0d0e21e | 1951 | SvSETMAGIC(astr); |
c2ab57d4 LW |
1952 | } |
1953 | return ret; | |
1954 | } | |
1955 | ||
79072805 | 1956 | I32 |
864dbfa3 | 1957 | Perl_do_msgsnd(pTHX_ SV **mark, SV **sp) |
c2ab57d4 | 1958 | { |
fe14fcc3 | 1959 | #ifdef HAS_MSG |
79072805 | 1960 | SV *mstr; |
c2ab57d4 | 1961 | char *mbuf; |
79072805 | 1962 | I32 id, msize, flags; |
463ee0b2 | 1963 | STRLEN len; |
c2ab57d4 | 1964 | |
463ee0b2 | 1965 | id = SvIVx(*++mark); |
79072805 | 1966 | mstr = *++mark; |
463ee0b2 LW |
1967 | flags = SvIVx(*++mark); |
1968 | mbuf = SvPV(mstr, len); | |
1969 | if ((msize = len - sizeof(long)) < 0) | |
cea2e8a9 | 1970 | Perl_croak(aTHX_ "Arg too short for msgsnd"); |
748a9306 | 1971 | SETERRNO(0,0); |
bee1dbe2 | 1972 | return msgsnd(id, (struct msgbuf *)mbuf, msize, flags); |
e5d73d77 | 1973 | #else |
cea2e8a9 | 1974 | Perl_croak(aTHX_ "msgsnd not implemented"); |
e5d73d77 | 1975 | #endif |
c2ab57d4 LW |
1976 | } |
1977 | ||
79072805 | 1978 | I32 |
864dbfa3 | 1979 | Perl_do_msgrcv(pTHX_ SV **mark, SV **sp) |
c2ab57d4 | 1980 | { |
fe14fcc3 | 1981 | #ifdef HAS_MSG |
79072805 | 1982 | SV *mstr; |
c2ab57d4 LW |
1983 | char *mbuf; |
1984 | long mtype; | |
79072805 | 1985 | I32 id, msize, flags, ret; |
463ee0b2 | 1986 | STRLEN len; |
79072805 | 1987 | |
463ee0b2 | 1988 | id = SvIVx(*++mark); |
79072805 | 1989 | mstr = *++mark; |
c2e66d9e GS |
1990 | /* suppress warning when reading into undef var --jhi */ |
1991 | if (! SvOK(mstr)) | |
1992 | sv_setpvn(mstr, "", 0); | |
463ee0b2 LW |
1993 | msize = SvIVx(*++mark); |
1994 | mtype = (long)SvIVx(*++mark); | |
1995 | flags = SvIVx(*++mark); | |
a0d0e21e LW |
1996 | SvPV_force(mstr, len); |
1997 | mbuf = SvGROW(mstr, sizeof(long)+msize+1); | |
a1d180c4 | 1998 | |
748a9306 | 1999 | SETERRNO(0,0); |
bee1dbe2 | 2000 | ret = msgrcv(id, (struct msgbuf *)mbuf, msize, mtype, flags); |
c2ab57d4 | 2001 | if (ret >= 0) { |
79072805 LW |
2002 | SvCUR_set(mstr, sizeof(long)+ret); |
2003 | *SvEND(mstr) = '\0'; | |
41d6edb2 JH |
2004 | #ifndef INCOMPLETE_TAINTS |
2005 | /* who knows who has been playing with this message? */ | |
2006 | SvTAINTED_on(mstr); | |
2007 | #endif | |
c2ab57d4 LW |
2008 | } |
2009 | return ret; | |
e5d73d77 | 2010 | #else |
cea2e8a9 | 2011 | Perl_croak(aTHX_ "msgrcv not implemented"); |
e5d73d77 | 2012 | #endif |
c2ab57d4 LW |
2013 | } |
2014 | ||
79072805 | 2015 | I32 |
864dbfa3 | 2016 | Perl_do_semop(pTHX_ SV **mark, SV **sp) |
c2ab57d4 | 2017 | { |
fe14fcc3 | 2018 | #ifdef HAS_SEM |
79072805 | 2019 | SV *opstr; |
c2ab57d4 | 2020 | char *opbuf; |
463ee0b2 LW |
2021 | I32 id; |
2022 | STRLEN opsize; | |
c2ab57d4 | 2023 | |
463ee0b2 | 2024 | id = SvIVx(*++mark); |
79072805 | 2025 | opstr = *++mark; |
463ee0b2 | 2026 | opbuf = SvPV(opstr, opsize); |
c2ab57d4 LW |
2027 | if (opsize < sizeof(struct sembuf) |
2028 | || (opsize % sizeof(struct sembuf)) != 0) { | |
748a9306 | 2029 | SETERRNO(EINVAL,LIB$_INVARG); |
c2ab57d4 LW |
2030 | return -1; |
2031 | } | |
748a9306 | 2032 | SETERRNO(0,0); |
6e21c824 | 2033 | return semop(id, (struct sembuf *)opbuf, opsize/sizeof(struct sembuf)); |
e5d73d77 | 2034 | #else |
cea2e8a9 | 2035 | Perl_croak(aTHX_ "semop not implemented"); |
e5d73d77 | 2036 | #endif |
c2ab57d4 LW |
2037 | } |
2038 | ||
79072805 | 2039 | I32 |
864dbfa3 | 2040 | Perl_do_shmio(pTHX_ I32 optype, SV **mark, SV **sp) |
c2ab57d4 | 2041 | { |
fe14fcc3 | 2042 | #ifdef HAS_SHM |
79072805 | 2043 | SV *mstr; |
c2ab57d4 | 2044 | char *mbuf, *shm; |
79072805 | 2045 | I32 id, mpos, msize; |
463ee0b2 | 2046 | STRLEN len; |
c2ab57d4 | 2047 | struct shmid_ds shmds; |
c2ab57d4 | 2048 | |
463ee0b2 | 2049 | id = SvIVx(*++mark); |
79072805 | 2050 | mstr = *++mark; |
463ee0b2 LW |
2051 | mpos = SvIVx(*++mark); |
2052 | msize = SvIVx(*++mark); | |
748a9306 | 2053 | SETERRNO(0,0); |
c2ab57d4 LW |
2054 | if (shmctl(id, IPC_STAT, &shmds) == -1) |
2055 | return -1; | |
2056 | if (mpos < 0 || msize < 0 || mpos + msize > shmds.shm_segsz) { | |
748a9306 | 2057 | SETERRNO(EFAULT,SS$_ACCVIO); /* can't do as caller requested */ |
c2ab57d4 LW |
2058 | return -1; |
2059 | } | |
8ac85365 | 2060 | shm = (char *)shmat(id, (char*)NULL, (optype == OP_SHMREAD) ? SHM_RDONLY : 0); |
c2ab57d4 LW |
2061 | if (shm == (char *)-1) /* I hate System V IPC, I really do */ |
2062 | return -1; | |
79072805 | 2063 | if (optype == OP_SHMREAD) { |
9f538c04 GS |
2064 | /* suppress warning when reading into undef var (tchrist 3/Mar/00) */ |
2065 | if (! SvOK(mstr)) | |
2066 | sv_setpvn(mstr, "", 0); | |
a0d0e21e LW |
2067 | SvPV_force(mstr, len); |
2068 | mbuf = SvGROW(mstr, msize+1); | |
2069 | ||
bee1dbe2 | 2070 | Copy(shm + mpos, mbuf, msize, char); |
79072805 LW |
2071 | SvCUR_set(mstr, msize); |
2072 | *SvEND(mstr) = '\0'; | |
a0d0e21e | 2073 | SvSETMAGIC(mstr); |
d929ce6f JH |
2074 | #ifndef INCOMPLETE_TAINTS |
2075 | /* who knows who has been playing with this shared memory? */ | |
2076 | SvTAINTED_on(mstr); | |
2077 | #endif | |
c2ab57d4 LW |
2078 | } |
2079 | else { | |
79072805 | 2080 | I32 n; |
c2ab57d4 | 2081 | |
a0d0e21e | 2082 | mbuf = SvPV(mstr, len); |
463ee0b2 | 2083 | if ((n = len) > msize) |
c2ab57d4 | 2084 | n = msize; |
bee1dbe2 | 2085 | Copy(mbuf, shm + mpos, n, char); |
c2ab57d4 | 2086 | if (n < msize) |
bee1dbe2 | 2087 | memzero(shm + mpos + n, msize - n); |
c2ab57d4 LW |
2088 | } |
2089 | return shmdt(shm); | |
e5d73d77 | 2090 | #else |
cea2e8a9 | 2091 | Perl_croak(aTHX_ "shm I/O not implemented"); |
e5d73d77 | 2092 | #endif |
c2ab57d4 LW |
2093 | } |
2094 | ||
fe14fcc3 | 2095 | #endif /* SYSV IPC */ |
4e35701f | 2096 | |
0d44d22b NC |
2097 | /* |
2098 | =for apidoc start_glob | |
2099 | ||
2100 | Function called by C<do_readline> to spawn a glob (or do the glob inside | |
2101 | perl on VMS). This code used to be inline, but now perl uses C<File::Glob> | |
2102 | this glob starter is only used by miniperl during the build proccess. | |
2103 | Moving it away shrinks pp_hot.c; shrinking pp_hot.c helps speed perl up. | |
fab3f3a7 | 2104 | |
0d44d22b NC |
2105 | =cut |
2106 | */ | |
2107 | ||
2108 | PerlIO * | |
2109 | Perl_start_glob (pTHX_ SV *tmpglob, IO *io) | |
2110 | { | |
2111 | SV *tmpcmd = NEWSV(55, 0); | |
2112 | PerlIO *fp; | |
2113 | ENTER; | |
2114 | SAVEFREESV(tmpcmd); | |
2115 | #ifdef VMS /* expand the wildcards right here, rather than opening a pipe, */ | |
2116 | /* since spawning off a process is a real performance hit */ | |
2117 | { | |
2118 | #include <descrip.h> | |
2119 | #include <lib$routines.h> | |
2120 | #include <nam.h> | |
2121 | #include <rmsdef.h> | |
2122 | char rslt[NAM$C_MAXRSS+1+sizeof(unsigned short int)] = {'\0','\0'}; | |
2123 | char vmsspec[NAM$C_MAXRSS+1]; | |
2124 | char *rstr = rslt + sizeof(unsigned short int), *begin, *end, *cp; | |
0d44d22b NC |
2125 | $DESCRIPTOR(dfltdsc,"SYS$DISK:[]*.*;"); |
2126 | PerlIO *tmpfp; | |
2127 | STRLEN i; | |
2128 | struct dsc$descriptor_s wilddsc | |
2129 | = {0, DSC$K_DTYPE_T, DSC$K_CLASS_S, 0}; | |
2130 | struct dsc$descriptor_vs rsdsc | |
2131 | = {sizeof rslt, DSC$K_DTYPE_VT, DSC$K_CLASS_VS, rslt}; | |
2132 | unsigned long int cxt = 0, sts = 0, ok = 1, hasdir = 0, hasver = 0, isunix = 0; | |
2133 | ||
2134 | /* We could find out if there's an explicit dev/dir or version | |
2135 | by peeking into lib$find_file's internal context at | |
2136 | ((struct NAM *)((struct FAB *)cxt)->fab$l_nam)->nam$l_fnb | |
2137 | but that's unsupported, so I don't want to do it now and | |
2138 | have it bite someone in the future. */ | |
0d44d22b NC |
2139 | cp = SvPV(tmpglob,i); |
2140 | for (; i; i--) { | |
2141 | if (cp[i] == ';') hasver = 1; | |
2142 | if (cp[i] == '.') { | |
2143 | if (sts) hasver = 1; | |
2144 | else sts = 1; | |
2145 | } | |
2146 | if (cp[i] == '/') { | |
2147 | hasdir = isunix = 1; | |
2148 | break; | |
2149 | } | |
2150 | if (cp[i] == ']' || cp[i] == '>' || cp[i] == ':') { | |
2151 | hasdir = 1; | |
2152 | break; | |
2153 | } | |
2154 | } | |
a15cef0c | 2155 | if ((tmpfp = PerlIO_tmpfile()) != NULL) { |
0d44d22b NC |
2156 | Stat_t st; |
2157 | if (!PerlLIO_stat(SvPVX(tmpglob),&st) && S_ISDIR(st.st_mode)) | |
2158 | ok = ((wilddsc.dsc$a_pointer = tovmspath(SvPVX(tmpglob),vmsspec)) != NULL); | |
2159 | else ok = ((wilddsc.dsc$a_pointer = tovmsspec(SvPVX(tmpglob),vmsspec)) != NULL); | |
2160 | if (ok) wilddsc.dsc$w_length = (unsigned short int) strlen(wilddsc.dsc$a_pointer); | |
2161 | while (ok && ((sts = lib$find_file(&wilddsc,&rsdsc,&cxt, | |
2162 | &dfltdsc,NULL,NULL,NULL))&1)) { | |
2163 | end = rstr + (unsigned long int) *rslt; | |
2164 | if (!hasver) while (*end != ';') end--; | |
2165 | *(end++) = '\n'; *end = '\0'; | |
2166 | for (cp = rstr; *cp; cp++) *cp = _tolower(*cp); | |
2167 | if (hasdir) { | |
2168 | if (isunix) trim_unixpath(rstr,SvPVX(tmpglob),1); | |
2169 | begin = rstr; | |
2170 | } | |
2171 | else { | |
2172 | begin = end; | |
2173 | while (*(--begin) != ']' && *begin != '>') ; | |
2174 | ++begin; | |
2175 | } | |
2176 | ok = (PerlIO_puts(tmpfp,begin) != EOF); | |
2177 | } | |
2178 | if (cxt) (void)lib$find_file_end(&cxt); | |
2179 | if (ok && sts != RMS$_NMF && | |
2180 | sts != RMS$_DNF && sts != RMS$_FNF) ok = 0; | |
2181 | if (!ok) { | |
2182 | if (!(sts & 1)) { | |
2183 | SETERRNO((sts == RMS$_SYN ? EINVAL : EVMSERR),sts); | |
2184 | } | |
2185 | PerlIO_close(tmpfp); | |
2186 | fp = NULL; | |
2187 | } | |
2188 | else { | |
2189 | PerlIO_rewind(tmpfp); | |
2190 | IoTYPE(io) = IoTYPE_RDONLY; | |
2191 | IoIFP(io) = fp = tmpfp; | |
2192 | IoFLAGS(io) &= ~IOf_UNTAINT; /* maybe redundant */ | |
2193 | } | |
2194 | } | |
2195 | } | |
2196 | #else /* !VMS */ | |
2197 | #ifdef MACOS_TRADITIONAL | |
2198 | sv_setpv(tmpcmd, "glob "); | |
2199 | sv_catsv(tmpcmd, tmpglob); | |
2200 | sv_catpv(tmpcmd, " |"); | |
2201 | #else | |
2202 | #ifdef DOSISH | |
2203 | #ifdef OS2 | |
2204 | sv_setpv(tmpcmd, "for a in "); | |
2205 | sv_catsv(tmpcmd, tmpglob); | |
2206 | sv_catpv(tmpcmd, "; do echo \"$a\\0\\c\"; done |"); | |
2207 | #else | |
2208 | #ifdef DJGPP | |
2209 | sv_setpv(tmpcmd, "/dev/dosglob/"); /* File System Extension */ | |
2210 | sv_catsv(tmpcmd, tmpglob); | |
2211 | #else | |
2212 | sv_setpv(tmpcmd, "perlglob "); | |
2213 | sv_catsv(tmpcmd, tmpglob); | |
2214 | sv_catpv(tmpcmd, " |"); | |
2215 | #endif /* !DJGPP */ | |
2216 | #endif /* !OS2 */ | |
2217 | #else /* !DOSISH */ | |
2218 | #if defined(CSH) | |
2219 | sv_setpvn(tmpcmd, PL_cshname, PL_cshlen); | |
2220 | sv_catpv(tmpcmd, " -cf 'set nonomatch; glob "); | |
2221 | sv_catsv(tmpcmd, tmpglob); | |
2222 | sv_catpv(tmpcmd, "' 2>/dev/null |"); | |
2223 | #else | |
2224 | sv_setpv(tmpcmd, "echo "); | |
2225 | sv_catsv(tmpcmd, tmpglob); | |
2226 | #if 'z' - 'a' == 25 | |
2227 | sv_catpv(tmpcmd, "|tr -s ' \t\f\r' '\\012\\012\\012\\012'|"); | |
2228 | #else | |
2229 | sv_catpv(tmpcmd, "|tr -s ' \t\f\r' '\\n\\n\\n\\n'|"); | |
2230 | #endif | |
2231 | #endif /* !CSH */ | |
2232 | #endif /* !DOSISH */ | |
2233 | #endif /* MACOS_TRADITIONAL */ | |
2234 | (void)do_open(PL_last_in_gv, SvPVX(tmpcmd), SvCUR(tmpcmd), | |
2235 | FALSE, O_RDONLY, 0, Nullfp); | |
2236 | fp = IoIFP(io); | |
2237 | #endif /* !VMS */ | |
2238 | LEAVE; | |
2239 | return fp; | |
2240 | } |