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 | ||
06c7082d | 161 | IoTYPE(io) = PerlIO_intmode2str(rawmode, &mode[ix], &writing); |
ee518936 NIS |
162 | |
163 | namesv = sv_2mortal(newSVpvn(name,strlen(name))); | |
164 | num_svs = 1; | |
165 | svp = &namesv; | |
1141d9f8 | 166 | type = Nullch; |
b94c04ac | 167 | fp = PerlIO_openn(aTHX_ type, mode, -1, rawmode, rawperm, NULL, num_svs, svp); |
a687059c | 168 | } |
c07a80fd | 169 | else { |
b931b1d9 | 170 | /* Regular (non-sys) open */ |
faecd977 | 171 | char *oname = name; |
faecd977 | 172 | STRLEN olen = len; |
b931b1d9 NIS |
173 | char *tend; |
174 | int dodup = 0; | |
c07a80fd | 175 | |
faecd977 | 176 | type = savepvn(name, len); |
b931b1d9 | 177 | tend = type+len; |
faecd977 | 178 | SAVEFREEPV(type); |
b931b1d9 NIS |
179 | /* Loose trailing white space */ |
180 | while (tend > type && isSPACE(tend[-1])) | |
181 | *tend-- = '\0'; | |
6170680b | 182 | if (num_svs) { |
b931b1d9 | 183 | /* New style explict name, type is just mode and discipline/layer info */ |
fe9745bf | 184 | STRLEN l = 0; |
f6c77cf1 | 185 | name = SvOK(*svp) ? SvPV(*svp, l) : ""; |
faecd977 GS |
186 | len = (I32)l; |
187 | name = savepvn(name, len); | |
188 | SAVEFREEPV(name); | |
b931b1d9 NIS |
189 | /*SUPPRESS 530*/ |
190 | for (; isSPACE(*type); type++) ; | |
6170680b | 191 | } |
faecd977 | 192 | else { |
faecd977 | 193 | name = type; |
b931b1d9 | 194 | len = tend-type; |
faecd977 | 195 | } |
6170680b | 196 | IoTYPE(io) = *type; |
516a5887 | 197 | if ((*type == IoTYPE_RDWR) && /* scary */ |
01a8ea99 | 198 | (*(type+1) == IoTYPE_RDONLY || *(type+1) == IoTYPE_WRONLY) && |
516a5887 | 199 | ((!num_svs || (tend > type+1 && tend[-1] != IoTYPE_PIPE)))) { |
dd531b3b | 200 | TAINT_PROPER("open"); |
6170680b | 201 | mode[1] = *type++; |
c07a80fd | 202 | writing = 1; |
a687059c | 203 | } |
c07a80fd | 204 | |
9f37169a | 205 | if (*type == IoTYPE_PIPE) { |
b931b1d9 NIS |
206 | if (num_svs) { |
207 | if (type[1] != IoTYPE_STD) { | |
208 | unknown_desr: | |
209 | Perl_croak(aTHX_ "Unknown open() mode '%.*s'", (int)olen, oname); | |
210 | } | |
211 | type++; | |
6170680b | 212 | } |
c07a80fd | 213 | /*SUPPRESS 530*/ |
b931b1d9 | 214 | for (type++; isSPACE(*type); type++) ; |
faecd977 | 215 | if (!num_svs) { |
6170680b | 216 | name = type; |
b931b1d9 | 217 | len = tend-type; |
faecd977 | 218 | } |
4a7d1889 NIS |
219 | if (*name == '\0') { |
220 | /* command is missing 19990114 */ | |
06eaf0bc | 221 | if (ckWARN(WARN_PIPE)) |
cea2e8a9 | 222 | Perl_warner(aTHX_ WARN_PIPE, "Missing command in piped open"); |
06eaf0bc GS |
223 | errno = EPIPE; |
224 | goto say_false; | |
225 | } | |
6170680b | 226 | if (strNE(name,"-") || num_svs) |
c07a80fd | 227 | TAINT_ENV(); |
228 | TAINT_PROPER("piped open"); | |
b931b1d9 | 229 | if (!num_svs && name[len-1] == '|') { |
faecd977 | 230 | name[--len] = '\0' ; |
599cee73 | 231 | if (ckWARN(WARN_PIPE)) |
9a7dcd9c | 232 | Perl_warner(aTHX_ WARN_PIPE, "Can't open bidirectional pipe"); |
7b8d334a | 233 | } |
a1d180c4 | 234 | mode[0] = 'w'; |
c07a80fd | 235 | writing = 1; |
a1d180c4 NIS |
236 | if (out_raw) |
237 | strcat(mode, "b"); | |
238 | else if (out_crlf) | |
239 | strcat(mode, "t"); | |
4a7d1889 NIS |
240 | if (num_svs > 1) { |
241 | fp = PerlProc_popen_list(mode, num_svs, svp); | |
242 | } | |
243 | else { | |
244 | fp = PerlProc_popen(name,mode); | |
245 | } | |
c07a80fd | 246 | } |
9f37169a | 247 | else if (*type == IoTYPE_WRONLY) { |
c07a80fd | 248 | TAINT_PROPER("open"); |
6170680b | 249 | type++; |
9f37169a JH |
250 | if (*type == IoTYPE_WRONLY) { |
251 | /* Two IoTYPE_WRONLYs in a row make for an IoTYPE_APPEND. */ | |
50952442 | 252 | mode[0] = IoTYPE(io) = IoTYPE_APPEND; |
6170680b | 253 | type++; |
a0d0e21e | 254 | } |
ee518936 | 255 | else { |
c07a80fd | 256 | mode[0] = 'w'; |
ee518936 | 257 | } |
c07a80fd | 258 | writing = 1; |
259 | ||
16fe6d59 GS |
260 | if (out_raw) |
261 | strcat(mode, "b"); | |
262 | else if (out_crlf) | |
263 | strcat(mode, "t"); | |
264 | ||
6170680b | 265 | if (*type == '&') { |
c07a80fd | 266 | duplicity: |
267 | dodup = 1; | |
e620cd72 NIS |
268 | type++; |
269 | if (*type == '=') { | |
c07a80fd | 270 | dodup = 0; |
e620cd72 | 271 | type++; |
4a7d1889 | 272 | } |
ee518936 | 273 | if (!num_svs && !*type && supplied_fp) { |
4a7d1889 | 274 | /* "<+&" etc. is used by typemaps */ |
c07a80fd | 275 | fp = supplied_fp; |
ee518936 | 276 | } |
a0d0e21e | 277 | else { |
e620cd72 NIS |
278 | if (num_svs > 1) { |
279 | Perl_croak(aTHX_ "More than one argument to '%c&' open",IoTYPE(io)); | |
280 | } | |
ee518936 | 281 | if (num_svs && SvIOK(*svp)) { |
e620cd72 | 282 | fd = SvUV(*svp); |
ee518936 | 283 | } |
e620cd72 NIS |
284 | else if (isDIGIT(*type)) { |
285 | /*SUPPRESS 530*/ | |
286 | for (; isSPACE(*type); type++) ; | |
287 | fd = atoi(type); | |
288 | } | |
c07a80fd | 289 | else { |
290 | IO* thatio; | |
e620cd72 NIS |
291 | if (num_svs) { |
292 | thatio = sv_2io(*svp); | |
293 | } | |
294 | else { | |
295 | GV *thatgv; | |
296 | /*SUPPRESS 530*/ | |
297 | for (; isSPACE(*type); type++) ; | |
298 | thatgv = gv_fetchpv(type,FALSE,SVt_PVIO); | |
299 | thatio = GvIO(thatgv); | |
300 | } | |
c07a80fd | 301 | if (!thatio) { |
6e21c824 | 302 | #ifdef EINVAL |
c07a80fd | 303 | SETERRNO(EINVAL,SS$_IVCHAN); |
6e21c824 | 304 | #endif |
c07a80fd | 305 | goto say_false; |
306 | } | |
307 | if (IoIFP(thatio)) { | |
54195c32 | 308 | PerlIO *fp = IoIFP(thatio); |
7211d486 JH |
309 | /* Flush stdio buffer before dup. --mjd |
310 | * Unfortunately SEEK_CURing 0 seems to | |
311 | * be optimized away on most platforms; | |
312 | * only Solaris and Linux seem to flush | |
313 | * on that. --jhi */ | |
2c534a3f NC |
314 | #ifdef USE_SFIO |
315 | /* sfio fails to clear error on next | |
316 | sfwrite, contrary to documentation. | |
317 | -- Nick Clark */ | |
318 | if (PerlIO_seek(fp, 0, SEEK_CUR) == -1) | |
319 | PerlIO_clearerr(fp); | |
320 | #endif | |
7211d486 JH |
321 | /* On the other hand, do all platforms |
322 | * take gracefully to flushing a read-only | |
323 | * filehandle? Perhaps we should do | |
324 | * fsetpos(src)+fgetpos(dst)? --nik */ | |
325 | PerlIO_flush(fp); | |
54195c32 | 326 | fd = PerlIO_fileno(fp); |
0759c907 JH |
327 | /* When dup()ing STDIN, STDOUT or STDERR |
328 | * explicitly set appropriate access mode */ | |
329 | if (IoIFP(thatio) == PerlIO_stdout() | |
330 | || IoIFP(thatio) == PerlIO_stderr()) | |
331 | IoTYPE(io) = IoTYPE_WRONLY; | |
332 | else if (IoIFP(thatio) == PerlIO_stdin()) | |
333 | IoTYPE(io) = IoTYPE_RDONLY; | |
334 | /* When dup()ing a socket, say result is | |
335 | * one as well */ | |
336 | else if (IoTYPE(thatio) == IoTYPE_SOCKET) | |
50952442 | 337 | IoTYPE(io) = IoTYPE_SOCKET; |
c07a80fd | 338 | } |
339 | else | |
340 | fd = -1; | |
a0d0e21e | 341 | } |
fec02dd3 | 342 | if (dodup) |
3028581b | 343 | fd = PerlLIO_dup(fd); |
3500f679 RS |
344 | else |
345 | was_fdopen = TRUE; | |
ee518936 | 346 | if (!num_svs) |
1141d9f8 | 347 | type = Nullch; |
ee518936 | 348 | if (!(fp = PerlIO_openn(aTHX_ type,mode,fd,0,0,NULL,num_svs,svp))) { |
c07a80fd | 349 | if (dodup) |
3028581b | 350 | PerlLIO_close(fd); |
faecd977 | 351 | } |
c07a80fd | 352 | } |
ee518936 | 353 | } /* & */ |
c07a80fd | 354 | else { |
4a7d1889 NIS |
355 | if (num_svs > 1) { |
356 | Perl_croak(aTHX_ "More than one argument to '>' open"); | |
357 | } | |
c07a80fd | 358 | /*SUPPRESS 530*/ |
6170680b | 359 | for (; isSPACE(*type); type++) ; |
b931b1d9 NIS |
360 | if (*type == IoTYPE_STD && (!type[1] || isSPACE(type[1]) || type[1] == ':')) { |
361 | /*SUPPRESS 530*/ | |
362 | type++; | |
760ac839 | 363 | fp = PerlIO_stdout(); |
50952442 | 364 | IoTYPE(io) = IoTYPE_STD; |
c07a80fd | 365 | } |
366 | else { | |
ee518936 NIS |
367 | if (!num_svs) { |
368 | namesv = sv_2mortal(newSVpvn(type,strlen(type))); | |
369 | num_svs = 1; | |
370 | svp = &namesv; | |
1141d9f8 | 371 | type = Nullch; |
ee518936 | 372 | } |
6e60e805 | 373 | fp = PerlIO_openn(aTHX_ type,mode,-1,0,0,NULL,num_svs,svp); |
c07a80fd | 374 | } |
ee518936 | 375 | } /* !& */ |
bf38876a | 376 | } |
9f37169a | 377 | else if (*type == IoTYPE_RDONLY) { |
4a7d1889 NIS |
378 | if (num_svs > 1) { |
379 | Perl_croak(aTHX_ "More than one argument to '<' open"); | |
380 | } | |
c07a80fd | 381 | /*SUPPRESS 530*/ |
6170680b | 382 | for (type++; isSPACE(*type); type++) ; |
bf38876a | 383 | mode[0] = 'r'; |
16fe6d59 GS |
384 | if (in_raw) |
385 | strcat(mode, "b"); | |
386 | else if (in_crlf) | |
387 | strcat(mode, "t"); | |
388 | ||
6170680b | 389 | if (*type == '&') { |
bf38876a | 390 | goto duplicity; |
6170680b | 391 | } |
b931b1d9 NIS |
392 | if (*type == IoTYPE_STD && (!type[1] || isSPACE(type[1]) || type[1] == ':')) { |
393 | /*SUPPRESS 530*/ | |
394 | type++; | |
760ac839 | 395 | fp = PerlIO_stdin(); |
50952442 | 396 | IoTYPE(io) = IoTYPE_STD; |
a687059c | 397 | } |
ee518936 NIS |
398 | else { |
399 | if (!num_svs) { | |
400 | namesv = sv_2mortal(newSVpvn(type,strlen(type))); | |
401 | num_svs = 1; | |
402 | svp = &namesv; | |
1141d9f8 | 403 | type = Nullch; |
ee518936 | 404 | } |
6e60e805 | 405 | fp = PerlIO_openn(aTHX_ type,mode,-1,0,0,NULL,num_svs,svp); |
ee518936 | 406 | } |
a687059c | 407 | } |
b931b1d9 NIS |
408 | else if ((num_svs && type[0] == IoTYPE_STD && type[1] == IoTYPE_PIPE) || |
409 | (!num_svs && tend > type+1 && tend[-1] == IoTYPE_PIPE)) { | |
6170680b | 410 | if (num_svs) { |
b931b1d9 | 411 | type += 2; /* skip over '-|' */ |
6170680b IZ |
412 | } |
413 | else { | |
b931b1d9 NIS |
414 | *--tend = '\0'; |
415 | while (tend > type && isSPACE(tend[-1])) | |
416 | *--tend = '\0'; | |
6170680b IZ |
417 | /*SUPPRESS 530*/ |
418 | for (; isSPACE(*type); type++) ; | |
419 | name = type; | |
b931b1d9 | 420 | len = tend-type; |
6170680b | 421 | } |
4a7d1889 NIS |
422 | if (*name == '\0') { |
423 | /* command is missing 19990114 */ | |
06eaf0bc | 424 | if (ckWARN(WARN_PIPE)) |
cea2e8a9 | 425 | Perl_warner(aTHX_ WARN_PIPE, "Missing command in piped open"); |
06eaf0bc GS |
426 | errno = EPIPE; |
427 | goto say_false; | |
428 | } | |
6170680b | 429 | if (strNE(name,"-") || num_svs) |
79072805 LW |
430 | TAINT_ENV(); |
431 | TAINT_PROPER("piped open"); | |
a1d180c4 NIS |
432 | mode[0] = 'r'; |
433 | if (in_raw) | |
434 | strcat(mode, "b"); | |
435 | else if (in_crlf) | |
436 | strcat(mode, "t"); | |
4a7d1889 NIS |
437 | if (num_svs > 1) { |
438 | fp = PerlProc_popen_list(mode,num_svs,svp); | |
439 | } | |
e620cd72 | 440 | else { |
4a7d1889 NIS |
441 | fp = PerlProc_popen(name,mode); |
442 | } | |
50952442 | 443 | IoTYPE(io) = IoTYPE_PIPE; |
a687059c LW |
444 | } |
445 | else { | |
6170680b IZ |
446 | if (num_svs) |
447 | goto unknown_desr; | |
448 | name = type; | |
50952442 | 449 | IoTYPE(io) = IoTYPE_RDONLY; |
99b89507 LW |
450 | /*SUPPRESS 530*/ |
451 | for (; isSPACE(*name); name++) ; | |
88b61e10 NIS |
452 | mode[0] = 'r'; |
453 | if (in_raw) | |
454 | strcat(mode, "b"); | |
455 | else if (in_crlf) | |
456 | strcat(mode, "t"); | |
a687059c | 457 | if (strEQ(name,"-")) { |
760ac839 | 458 | fp = PerlIO_stdin(); |
50952442 | 459 | IoTYPE(io) = IoTYPE_STD; |
a687059c | 460 | } |
16fe6d59 | 461 | else { |
ee518936 NIS |
462 | if (!num_svs) { |
463 | namesv = sv_2mortal(newSVpvn(type,strlen(type))); | |
464 | num_svs = 1; | |
465 | svp = &namesv; | |
1141d9f8 | 466 | type = Nullch; |
ee518936 | 467 | } |
6e60e805 | 468 | fp = PerlIO_openn(aTHX_ type,mode,-1,0,0,NULL,num_svs,svp); |
16fe6d59 | 469 | } |
a687059c LW |
470 | } |
471 | } | |
bee1dbe2 | 472 | if (!fp) { |
50952442 | 473 | if (ckWARN(WARN_NEWLINE) && IoTYPE(io) == IoTYPE_RDONLY && strchr(name, '\n')) |
cea2e8a9 | 474 | Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "open"); |
6e21c824 | 475 | goto say_false; |
bee1dbe2 | 476 | } |
a00b5bd3 NIS |
477 | |
478 | if (ckWARN(WARN_IO)) { | |
479 | if ((IoTYPE(io) == IoTYPE_RDONLY) && | |
480 | (fp == PerlIO_stdout() || fp == PerlIO_stderr())) { | |
c5e2d979 JH |
481 | Perl_warner(aTHX_ WARN_IO, |
482 | "Filehandle STD%s opened only for input", | |
483 | (fp == PerlIO_stdout()) ? "OUT" : "ERR"); | |
a00b5bd3 | 484 | } |
ee518936 | 485 | else if ((IoTYPE(io) == IoTYPE_WRONLY) && fp == PerlIO_stdin()) { |
c5e2d979 JH |
486 | Perl_warner(aTHX_ WARN_IO, |
487 | "Filehandle STDIN opened only for output"); | |
a00b5bd3 NIS |
488 | } |
489 | } | |
490 | ||
f6c77cf1 NIS |
491 | if (IoTYPE(io) && IoTYPE(io) != IoTYPE_PIPE && IoTYPE(io) != IoTYPE_STD && |
492 | /* FIXME: This next term is a hack to avoid fileno on PerlIO::Scalar */ | |
493 | !(num_svs && SvROK(*svp))) { | |
3280af22 | 494 | if (PerlLIO_fstat(PerlIO_fileno(fp),&PL_statbuf) < 0) { |
760ac839 | 495 | (void)PerlIO_close(fp); |
6e21c824 | 496 | goto say_false; |
a687059c | 497 | } |
3280af22 | 498 | if (S_ISSOCK(PL_statbuf.st_mode)) |
50952442 | 499 | IoTYPE(io) = IoTYPE_SOCKET; /* in case a socket was passed in to us */ |
99b89507 LW |
500 | #ifdef HAS_SOCKET |
501 | else if ( | |
c623bd54 | 502 | #ifdef S_IFMT |
3280af22 | 503 | !(PL_statbuf.st_mode & S_IFMT) |
99b89507 | 504 | #else |
b28d0864 | 505 | !PL_statbuf.st_mode |
99b89507 | 506 | #endif |
0759c907 JH |
507 | && IoTYPE(io) != IoTYPE_WRONLY /* Dups of STD* filehandles already have */ |
508 | && IoTYPE(io) != IoTYPE_RDONLY /* type so they aren't marked as sockets */ | |
509 | ) { /* on OS's that return 0 on fstat()ed pipe */ | |
96827780 MB |
510 | char tmpbuf[256]; |
511 | Sock_size_t buflen = sizeof tmpbuf; | |
3028581b | 512 | if (PerlSock_getsockname(PerlIO_fileno(fp), (struct sockaddr *)tmpbuf, |
d574b85e CS |
513 | &buflen) >= 0 |
514 | || errno != ENOTSOCK) | |
50952442 | 515 | IoTYPE(io) = IoTYPE_SOCKET; /* some OS's return 0 on fstat()ed socket */ |
99b89507 LW |
516 | /* but some return 0 for streams too, sigh */ |
517 | } | |
bf38876a | 518 | #endif |
a687059c | 519 | } |
6e21c824 | 520 | if (saveifp) { /* must use old fp? */ |
f5b9d040 | 521 | /* If fd is less that PL_maxsysfd i.e. STDIN..STDERR |
24c23ab4 | 522 | then dup the new fileno down |
f5b9d040 | 523 | */ |
6e60e805 | 524 | fd = PerlIO_fileno(fp); |
6e21c824 | 525 | if (saveofp) { |
f5b9d040 | 526 | PerlIO_flush(saveofp); /* emulate PerlIO_close() */ |
6e21c824 | 527 | if (saveofp != saveifp) { /* was a socket? */ |
760ac839 | 528 | PerlIO_close(saveofp); |
6e21c824 LW |
529 | } |
530 | } | |
6e60e805 | 531 | if (savefd != fd) { |
d8a83dd3 | 532 | Pid_t pid; |
79072805 | 533 | SV *sv; |
bd4a5668 NIS |
534 | if (PerlLIO_dup2(fd, savefd) < 0) { |
535 | (void)PerlIO_close(fp); | |
536 | goto say_false; | |
537 | } | |
d082dcd6 | 538 | #ifdef VMS |
6e60e805 | 539 | if (savefd != PerlIO_fileno(PerlIO_stdin())) { |
d082dcd6 | 540 | char newname[FILENAME_MAX+1]; |
a15cef0c | 541 | if (PerlIO_getname(fp, newname)) { |
fd8cd3a3 DS |
542 | if (fd == PerlIO_fileno(PerlIO_stdout())) Perl_vmssetuserlnm(aTHX_ "SYS$OUTPUT", newname); |
543 | if (fd == PerlIO_fileno(PerlIO_stderr())) Perl_vmssetuserlnm(aTHX_ "SYS$ERROR", newname); | |
d082dcd6 JH |
544 | } |
545 | } | |
546 | #endif | |
4755096e | 547 | LOCK_FDPID_MUTEX; |
6e60e805 | 548 | sv = *av_fetch(PL_fdpid,fd,TRUE); |
a0d0e21e | 549 | (void)SvUPGRADE(sv, SVt_IV); |
463ee0b2 LW |
550 | pid = SvIVX(sv); |
551 | SvIVX(sv) = 0; | |
6e60e805 | 552 | sv = *av_fetch(PL_fdpid,savefd,TRUE); |
4755096e | 553 | UNLOCK_FDPID_MUTEX; |
a0d0e21e | 554 | (void)SvUPGRADE(sv, SVt_IV); |
463ee0b2 | 555 | SvIVX(sv) = pid; |
3500f679 RS |
556 | if (!was_fdopen) |
557 | PerlIO_close(fp); | |
6e21c824 LW |
558 | } |
559 | fp = saveifp; | |
760ac839 | 560 | PerlIO_clearerr(fp); |
6e21c824 | 561 | } |
a0d0e21e | 562 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
a8710ca1 GS |
563 | { |
564 | int save_errno = errno; | |
565 | fd = PerlIO_fileno(fp); | |
566 | fcntl(fd,F_SETFD,fd > PL_maxsysfd); /* can change errno */ | |
567 | errno = save_errno; | |
568 | } | |
1462b684 | 569 | #endif |
8990e307 | 570 | IoIFP(io) = fp; |
b931b1d9 | 571 | |
684bef36 | 572 | IoFLAGS(io) &= ~IOf_NOLINE; |
bf38876a | 573 | if (writing) { |
50952442 | 574 | if (IoTYPE(io) == IoTYPE_SOCKET |
ee518936 | 575 | || (IoTYPE(io) == IoTYPE_WRONLY && S_ISCHR(PL_statbuf.st_mode)) ) { |
b931b1d9 | 576 | mode[0] = 'w'; |
1141d9f8 | 577 | if (!(IoOFP(io) = PerlIO_openn(aTHX_ type,mode,PerlIO_fileno(fp),0,0,NULL,num_svs,svp))) { |
760ac839 | 578 | PerlIO_close(fp); |
8990e307 | 579 | IoIFP(io) = Nullfp; |
6e21c824 | 580 | goto say_false; |
fe14fcc3 | 581 | } |
1462b684 LW |
582 | } |
583 | else | |
8990e307 | 584 | IoOFP(io) = fp; |
bf38876a | 585 | } |
a687059c | 586 | return TRUE; |
6e21c824 LW |
587 | |
588 | say_false: | |
8990e307 LW |
589 | IoIFP(io) = saveifp; |
590 | IoOFP(io) = saveofp; | |
591 | IoTYPE(io) = savetype; | |
6e21c824 | 592 | return FALSE; |
a687059c LW |
593 | } |
594 | ||
760ac839 | 595 | PerlIO * |
864dbfa3 | 596 | Perl_nextargv(pTHX_ register GV *gv) |
a687059c | 597 | { |
79072805 | 598 | register SV *sv; |
99b89507 | 599 | #ifndef FLEXFILENAMES |
c623bd54 LW |
600 | int filedev; |
601 | int fileino; | |
99b89507 | 602 | #endif |
761237fe JB |
603 | Uid_t fileuid; |
604 | Gid_t filegid; | |
18708f5a | 605 | IO *io = GvIOp(gv); |
fe14fcc3 | 606 | |
3280af22 NIS |
607 | if (!PL_argvoutgv) |
608 | PL_argvoutgv = gv_fetchpv("ARGVOUT",TRUE,SVt_PVIO); | |
18708f5a GS |
609 | if (io && (IoFLAGS(io) & IOf_ARGV) && (IoFLAGS(io) & IOf_START)) { |
610 | IoFLAGS(io) &= ~IOf_START; | |
7a1c5554 GS |
611 | if (PL_inplace) { |
612 | if (!PL_argvout_stack) | |
613 | PL_argvout_stack = newAV(); | |
18708f5a | 614 | av_push(PL_argvout_stack, SvREFCNT_inc(PL_defoutgv)); |
7a1c5554 | 615 | } |
18708f5a | 616 | } |
3280af22 NIS |
617 | if (PL_filemode & (S_ISUID|S_ISGID)) { |
618 | PerlIO_flush(IoIFP(GvIOn(PL_argvoutgv))); /* chmod must follow last write */ | |
fe14fcc3 | 619 | #ifdef HAS_FCHMOD |
3280af22 | 620 | (void)fchmod(PL_lastfd,PL_filemode); |
fe14fcc3 | 621 | #else |
b28d0864 | 622 | (void)PerlLIO_chmod(PL_oldname,PL_filemode); |
fe14fcc3 LW |
623 | #endif |
624 | } | |
3280af22 | 625 | PL_filemode = 0; |
79072805 | 626 | while (av_len(GvAV(gv)) >= 0) { |
85aff577 | 627 | STRLEN oldlen; |
79072805 | 628 | sv = av_shift(GvAV(gv)); |
8990e307 | 629 | SAVEFREESV(sv); |
79072805 LW |
630 | sv_setsv(GvSV(gv),sv); |
631 | SvSETMAGIC(GvSV(gv)); | |
3280af22 | 632 | PL_oldname = SvPVx(GvSV(gv), oldlen); |
9d116dd7 | 633 | if (do_open(gv,PL_oldname,oldlen,PL_inplace!=0,O_RDONLY,0,Nullfp)) { |
3280af22 | 634 | if (PL_inplace) { |
79072805 | 635 | TAINT_PROPER("inplace open"); |
3280af22 | 636 | if (oldlen == 1 && *PL_oldname == '-') { |
4633a7c4 | 637 | setdefout(gv_fetchpv("STDOUT",TRUE,SVt_PVIO)); |
a0d0e21e | 638 | return IoIFP(GvIOp(gv)); |
c623bd54 | 639 | } |
99b89507 | 640 | #ifndef FLEXFILENAMES |
b28d0864 NIS |
641 | filedev = PL_statbuf.st_dev; |
642 | fileino = PL_statbuf.st_ino; | |
99b89507 | 643 | #endif |
3280af22 NIS |
644 | PL_filemode = PL_statbuf.st_mode; |
645 | fileuid = PL_statbuf.st_uid; | |
646 | filegid = PL_statbuf.st_gid; | |
647 | if (!S_ISREG(PL_filemode)) { | |
0453d815 PM |
648 | if (ckWARN_d(WARN_INPLACE)) |
649 | Perl_warner(aTHX_ WARN_INPLACE, | |
650 | "Can't do inplace edit: %s is not a regular file", | |
651 | PL_oldname ); | |
79072805 | 652 | do_close(gv,FALSE); |
c623bd54 LW |
653 | continue; |
654 | } | |
3280af22 NIS |
655 | if (*PL_inplace) { |
656 | char *star = strchr(PL_inplace, '*'); | |
2d259d92 | 657 | if (star) { |
3280af22 | 658 | char *begin = PL_inplace; |
2d259d92 CK |
659 | sv_setpvn(sv, "", 0); |
660 | do { | |
661 | sv_catpvn(sv, begin, star - begin); | |
3280af22 | 662 | sv_catpvn(sv, PL_oldname, oldlen); |
2d259d92 CK |
663 | begin = ++star; |
664 | } while ((star = strchr(begin, '*'))); | |
3d66d7bb GS |
665 | if (*begin) |
666 | sv_catpv(sv,begin); | |
2d259d92 CK |
667 | } |
668 | else { | |
3280af22 | 669 | sv_catpv(sv,PL_inplace); |
2d259d92 | 670 | } |
c623bd54 | 671 | #ifndef FLEXFILENAMES |
b28d0864 NIS |
672 | if (PerlLIO_stat(SvPVX(sv),&PL_statbuf) >= 0 |
673 | && PL_statbuf.st_dev == filedev | |
674 | && PL_statbuf.st_ino == fileino | |
39e571d4 LM |
675 | #ifdef DJGPP |
676 | || (_djstat_fail_bits & _STFAIL_TRUENAME)!=0 | |
677 | #endif | |
f248d071 GS |
678 | ) |
679 | { | |
680 | if (ckWARN_d(WARN_INPLACE)) | |
681 | Perl_warner(aTHX_ WARN_INPLACE, | |
682 | "Can't do inplace edit: %s would not be unique", | |
683 | SvPVX(sv)); | |
79072805 | 684 | do_close(gv,FALSE); |
c623bd54 LW |
685 | continue; |
686 | } | |
687 | #endif | |
fe14fcc3 | 688 | #ifdef HAS_RENAME |
d308986b | 689 | #if !defined(DOSISH) && !defined(__CYGWIN__) |
3280af22 | 690 | if (PerlLIO_rename(PL_oldname,SvPVX(sv)) < 0) { |
0453d815 | 691 | if (ckWARN_d(WARN_INPLACE)) |
a1d180c4 | 692 | Perl_warner(aTHX_ WARN_INPLACE, |
0453d815 PM |
693 | "Can't rename %s to %s: %s, skipping file", |
694 | PL_oldname, SvPVX(sv), Strerror(errno) ); | |
79072805 | 695 | do_close(gv,FALSE); |
c623bd54 LW |
696 | continue; |
697 | } | |
a687059c | 698 | #else |
79072805 | 699 | do_close(gv,FALSE); |
3028581b | 700 | (void)PerlLIO_unlink(SvPVX(sv)); |
b28d0864 | 701 | (void)PerlLIO_rename(PL_oldname,SvPVX(sv)); |
9d116dd7 | 702 | do_open(gv,SvPVX(sv),SvCUR(sv),PL_inplace!=0,O_RDONLY,0,Nullfp); |
55497cff | 703 | #endif /* DOSISH */ |
ff8e2863 | 704 | #else |
463ee0b2 | 705 | (void)UNLINK(SvPVX(sv)); |
b28d0864 | 706 | if (link(PL_oldname,SvPVX(sv)) < 0) { |
0453d815 PM |
707 | if (ckWARN_d(WARN_INPLACE)) |
708 | Perl_warner(aTHX_ WARN_INPLACE, | |
709 | "Can't rename %s to %s: %s, skipping file", | |
710 | PL_oldname, SvPVX(sv), Strerror(errno) ); | |
79072805 | 711 | do_close(gv,FALSE); |
c623bd54 LW |
712 | continue; |
713 | } | |
b28d0864 | 714 | (void)UNLINK(PL_oldname); |
a687059c LW |
715 | #endif |
716 | } | |
717 | else { | |
a8c18271 | 718 | #if !defined(DOSISH) && !defined(AMIGAOS) |
edc7bc49 | 719 | # ifndef VMS /* Don't delete; use automatic file versioning */ |
3280af22 | 720 | if (UNLINK(PL_oldname) < 0) { |
0453d815 PM |
721 | if (ckWARN_d(WARN_INPLACE)) |
722 | Perl_warner(aTHX_ WARN_INPLACE, | |
723 | "Can't remove %s: %s, skipping file", | |
724 | PL_oldname, Strerror(errno) ); | |
79072805 | 725 | do_close(gv,FALSE); |
fe14fcc3 LW |
726 | continue; |
727 | } | |
edc7bc49 | 728 | # endif |
ff8e2863 | 729 | #else |
cea2e8a9 | 730 | Perl_croak(aTHX_ "Can't do inplace edit without backup"); |
ff8e2863 | 731 | #endif |
a687059c LW |
732 | } |
733 | ||
3280af22 NIS |
734 | sv_setpvn(sv,">",!PL_inplace); |
735 | sv_catpvn(sv,PL_oldname,oldlen); | |
748a9306 | 736 | SETERRNO(0,0); /* in case sprintf set errno */ |
4119ab01 HM |
737 | #ifdef VMS |
738 | if (!do_open(PL_argvoutgv,SvPVX(sv),SvCUR(sv),PL_inplace!=0, | |
18708f5a | 739 | O_WRONLY|O_CREAT|O_TRUNC,0,Nullfp)) |
4119ab01 | 740 | #else |
3280af22 | 741 | if (!do_open(PL_argvoutgv,SvPVX(sv),SvCUR(sv),PL_inplace!=0, |
18708f5a | 742 | O_WRONLY|O_CREAT|OPEN_EXCL,0666,Nullfp)) |
4119ab01 | 743 | #endif |
18708f5a | 744 | { |
0453d815 PM |
745 | if (ckWARN_d(WARN_INPLACE)) |
746 | Perl_warner(aTHX_ WARN_INPLACE, "Can't do inplace edit on %s: %s", | |
747 | PL_oldname, Strerror(errno) ); | |
79072805 | 748 | do_close(gv,FALSE); |
fe14fcc3 LW |
749 | continue; |
750 | } | |
3280af22 NIS |
751 | setdefout(PL_argvoutgv); |
752 | PL_lastfd = PerlIO_fileno(IoIFP(GvIOp(PL_argvoutgv))); | |
753 | (void)PerlLIO_fstat(PL_lastfd,&PL_statbuf); | |
fe14fcc3 | 754 | #ifdef HAS_FCHMOD |
3280af22 | 755 | (void)fchmod(PL_lastfd,PL_filemode); |
a687059c | 756 | #else |
3e3baf6d TB |
757 | # if !(defined(WIN32) && defined(__BORLANDC__)) |
758 | /* Borland runtime creates a readonly file! */ | |
b28d0864 | 759 | (void)PerlLIO_chmod(PL_oldname,PL_filemode); |
3e3baf6d | 760 | # endif |
a687059c | 761 | #endif |
3280af22 | 762 | if (fileuid != PL_statbuf.st_uid || filegid != PL_statbuf.st_gid) { |
fe14fcc3 | 763 | #ifdef HAS_FCHOWN |
3280af22 | 764 | (void)fchown(PL_lastfd,fileuid,filegid); |
a687059c | 765 | #else |
fe14fcc3 | 766 | #ifdef HAS_CHOWN |
b28d0864 | 767 | (void)PerlLIO_chown(PL_oldname,fileuid,filegid); |
a687059c | 768 | #endif |
b1248f16 | 769 | #endif |
fe14fcc3 | 770 | } |
a687059c | 771 | } |
a0d0e21e | 772 | return IoIFP(GvIOp(gv)); |
a687059c | 773 | } |
4d61ec05 | 774 | else { |
4d61ec05 | 775 | if (ckWARN_d(WARN_INPLACE)) { |
6af84f9f GS |
776 | int eno = errno; |
777 | if (PerlLIO_stat(PL_oldname, &PL_statbuf) >= 0 | |
778 | && !S_ISREG(PL_statbuf.st_mode)) | |
779 | { | |
4d61ec05 GS |
780 | Perl_warner(aTHX_ WARN_INPLACE, |
781 | "Can't do inplace edit: %s is not a regular file", | |
9a7dcd9c | 782 | PL_oldname); |
6af84f9f | 783 | } |
4d61ec05 | 784 | else |
9a7dcd9c | 785 | Perl_warner(aTHX_ WARN_INPLACE, "Can't open %s: %s", |
6af84f9f | 786 | PL_oldname, Strerror(eno)); |
4d61ec05 GS |
787 | } |
788 | } | |
a687059c | 789 | } |
18708f5a GS |
790 | if (io && (IoFLAGS(io) & IOf_ARGV)) |
791 | IoFLAGS(io) |= IOf_START; | |
3280af22 NIS |
792 | if (PL_inplace) { |
793 | (void)do_close(PL_argvoutgv,FALSE); | |
7a1c5554 GS |
794 | if (io && (IoFLAGS(io) & IOf_ARGV) |
795 | && PL_argvout_stack && AvFILLp(PL_argvout_stack) >= 0) | |
796 | { | |
18708f5a GS |
797 | GV *oldout = (GV*)av_pop(PL_argvout_stack); |
798 | setdefout(oldout); | |
799 | SvREFCNT_dec(oldout); | |
800 | return Nullfp; | |
801 | } | |
4633a7c4 | 802 | setdefout(gv_fetchpv("STDOUT",TRUE,SVt_PVIO)); |
a687059c LW |
803 | } |
804 | return Nullfp; | |
805 | } | |
806 | ||
fe14fcc3 | 807 | #ifdef HAS_PIPE |
afd9f252 | 808 | void |
864dbfa3 | 809 | Perl_do_pipe(pTHX_ SV *sv, GV *rgv, GV *wgv) |
afd9f252 | 810 | { |
79072805 LW |
811 | register IO *rstio; |
812 | register IO *wstio; | |
afd9f252 LW |
813 | int fd[2]; |
814 | ||
79072805 | 815 | if (!rgv) |
afd9f252 | 816 | goto badexit; |
79072805 | 817 | if (!wgv) |
afd9f252 LW |
818 | goto badexit; |
819 | ||
a0d0e21e LW |
820 | rstio = GvIOn(rgv); |
821 | wstio = GvIOn(wgv); | |
afd9f252 | 822 | |
a0d0e21e | 823 | if (IoIFP(rstio)) |
79072805 | 824 | do_close(rgv,FALSE); |
a0d0e21e | 825 | if (IoIFP(wstio)) |
79072805 | 826 | do_close(wgv,FALSE); |
afd9f252 | 827 | |
3028581b | 828 | if (PerlProc_pipe(fd) < 0) |
afd9f252 | 829 | goto badexit; |
760ac839 LW |
830 | IoIFP(rstio) = PerlIO_fdopen(fd[0], "r"); |
831 | IoOFP(wstio) = PerlIO_fdopen(fd[1], "w"); | |
8990e307 | 832 | IoIFP(wstio) = IoOFP(wstio); |
50952442 JH |
833 | IoTYPE(rstio) = IoTYPE_RDONLY; |
834 | IoTYPE(wstio) = IoTYPE_WRONLY; | |
8990e307 | 835 | if (!IoIFP(rstio) || !IoOFP(wstio)) { |
760ac839 | 836 | if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio)); |
3028581b | 837 | else PerlLIO_close(fd[0]); |
760ac839 | 838 | if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio)); |
3028581b | 839 | else PerlLIO_close(fd[1]); |
fe14fcc3 LW |
840 | goto badexit; |
841 | } | |
afd9f252 | 842 | |
3280af22 | 843 | sv_setsv(sv,&PL_sv_yes); |
afd9f252 LW |
844 | return; |
845 | ||
846 | badexit: | |
3280af22 | 847 | sv_setsv(sv,&PL_sv_undef); |
afd9f252 LW |
848 | return; |
849 | } | |
b1248f16 | 850 | #endif |
afd9f252 | 851 | |
517844ec | 852 | /* explicit renamed to avoid C++ conflict -- kja */ |
a687059c | 853 | bool |
864dbfa3 | 854 | Perl_do_close(pTHX_ GV *gv, bool not_implicit) |
a687059c | 855 | { |
1193dd27 IZ |
856 | bool retval; |
857 | IO *io; | |
a687059c | 858 | |
79072805 | 859 | if (!gv) |
3280af22 | 860 | gv = PL_argvgv; |
a0d0e21e | 861 | if (!gv || SvTYPE(gv) != SVt_PVGV) { |
1d2dff63 GS |
862 | if (not_implicit) |
863 | SETERRNO(EBADF,SS$_IVCHAN); | |
c2ab57d4 | 864 | return FALSE; |
99b89507 | 865 | } |
79072805 LW |
866 | io = GvIO(gv); |
867 | if (!io) { /* never opened */ | |
1d2dff63 | 868 | if (not_implicit) { |
2dd78f96 JH |
869 | if (ckWARN(WARN_UNOPENED)) /* no check for closed here */ |
870 | report_evil_fh(gv, io, PL_op->op_type); | |
1d2dff63 GS |
871 | SETERRNO(EBADF,SS$_IVCHAN); |
872 | } | |
a687059c LW |
873 | return FALSE; |
874 | } | |
f2b5be74 | 875 | retval = io_close(io, not_implicit); |
517844ec | 876 | if (not_implicit) { |
1193dd27 IZ |
877 | IoLINES(io) = 0; |
878 | IoPAGE(io) = 0; | |
879 | IoLINES_LEFT(io) = IoPAGE_LEN(io); | |
880 | } | |
50952442 | 881 | IoTYPE(io) = IoTYPE_CLOSED; |
1193dd27 IZ |
882 | return retval; |
883 | } | |
884 | ||
885 | bool | |
f2b5be74 | 886 | Perl_io_close(pTHX_ IO *io, bool not_implicit) |
1193dd27 IZ |
887 | { |
888 | bool retval = FALSE; | |
889 | int status; | |
890 | ||
8990e307 | 891 | if (IoIFP(io)) { |
50952442 | 892 | if (IoTYPE(io) == IoTYPE_PIPE) { |
3028581b | 893 | status = PerlProc_pclose(IoIFP(io)); |
f2b5be74 GS |
894 | if (not_implicit) { |
895 | STATUS_NATIVE_SET(status); | |
896 | retval = (STATUS_POSIX == 0); | |
897 | } | |
898 | else { | |
899 | retval = (status != -1); | |
900 | } | |
a687059c | 901 | } |
50952442 | 902 | else if (IoTYPE(io) == IoTYPE_STD) |
a687059c LW |
903 | retval = TRUE; |
904 | else { | |
8990e307 | 905 | if (IoOFP(io) && IoOFP(io) != IoIFP(io)) { /* a socket */ |
760ac839 LW |
906 | retval = (PerlIO_close(IoOFP(io)) != EOF); |
907 | PerlIO_close(IoIFP(io)); /* clear stdio, fd already closed */ | |
c2ab57d4 LW |
908 | } |
909 | else | |
760ac839 | 910 | retval = (PerlIO_close(IoIFP(io)) != EOF); |
a687059c | 911 | } |
8990e307 | 912 | IoOFP(io) = IoIFP(io) = Nullfp; |
79072805 | 913 | } |
f2b5be74 | 914 | else if (not_implicit) { |
20408e3c GS |
915 | SETERRNO(EBADF,SS$_IVCHAN); |
916 | } | |
1193dd27 | 917 | |
a687059c LW |
918 | return retval; |
919 | } | |
920 | ||
921 | bool | |
864dbfa3 | 922 | Perl_do_eof(pTHX_ GV *gv) |
a687059c | 923 | { |
79072805 | 924 | register IO *io; |
a687059c LW |
925 | int ch; |
926 | ||
79072805 | 927 | io = GvIO(gv); |
a687059c | 928 | |
79072805 | 929 | if (!io) |
a687059c | 930 | return TRUE; |
a00b5bd3 | 931 | else if (ckWARN(WARN_IO) && (IoTYPE(io) == IoTYPE_WRONLY)) |
af8c498a | 932 | { |
2dd78f96 | 933 | /* integrate to report_evil_fh()? */ |
a1d180c4 | 934 | char *name = NULL; |
2dd78f96 JH |
935 | if (isGV(gv)) { |
936 | SV* sv = sv_newmortal(); | |
937 | gv_efullname4(sv, gv, Nullch, FALSE); | |
938 | name = SvPV_nolen(sv); | |
939 | } | |
940 | if (name && *name) | |
941 | Perl_warner(aTHX_ WARN_IO, | |
942 | "Filehandle %s opened only for output", name); | |
943 | else | |
944 | Perl_warner(aTHX_ WARN_IO, | |
945 | "Filehandle opened only for output"); | |
af8c498a | 946 | } |
a687059c | 947 | |
8990e307 | 948 | while (IoIFP(io)) { |
a687059c | 949 | |
760ac839 | 950 | if (PerlIO_has_cntptr(IoIFP(io))) { /* (the code works without this) */ |
a20bf0c3 | 951 | if (PerlIO_get_cnt(IoIFP(io)) > 0) /* cheat a little, since */ |
760ac839 LW |
952 | return FALSE; /* this is the most usual case */ |
953 | } | |
a687059c | 954 | |
760ac839 | 955 | ch = PerlIO_getc(IoIFP(io)); |
a687059c | 956 | if (ch != EOF) { |
760ac839 | 957 | (void)PerlIO_ungetc(IoIFP(io),ch); |
a687059c LW |
958 | return FALSE; |
959 | } | |
fab3f3a7 | 960 | |
760ac839 | 961 | if (PerlIO_has_cntptr(IoIFP(io)) && PerlIO_canset_cnt(IoIFP(io))) { |
a20bf0c3 JH |
962 | if (PerlIO_get_cnt(IoIFP(io)) < -1) |
963 | PerlIO_set_cnt(IoIFP(io),-1); | |
760ac839 | 964 | } |
533c011a | 965 | if (PL_op->op_flags & OPf_SPECIAL) { /* not necessarily a real EOF yet? */ |
3280af22 | 966 | if (!nextargv(PL_argvgv)) /* get another fp handy */ |
a687059c LW |
967 | return TRUE; |
968 | } | |
969 | else | |
970 | return TRUE; /* normal fp, definitely end of file */ | |
971 | } | |
972 | return TRUE; | |
973 | } | |
974 | ||
5ff3f7a4 | 975 | Off_t |
864dbfa3 | 976 | Perl_do_tell(pTHX_ GV *gv) |
a687059c | 977 | { |
9c5ffd7c | 978 | register IO *io = 0; |
96e4d5b1 | 979 | register PerlIO *fp; |
a687059c | 980 | |
96e4d5b1 | 981 | if (gv && (io = GvIO(gv)) && (fp = IoIFP(io))) { |
bee1dbe2 | 982 | #ifdef ULTRIX_STDIO_BOTCH |
96e4d5b1 | 983 | if (PerlIO_eof(fp)) |
984 | (void)PerlIO_seek(fp, 0L, 2); /* ultrix 1.2 workaround */ | |
bee1dbe2 | 985 | #endif |
8903cb82 | 986 | return PerlIO_tell(fp); |
96e4d5b1 | 987 | } |
411caa50 JH |
988 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) |
989 | report_evil_fh(gv, io, PL_op->op_type); | |
748a9306 | 990 | SETERRNO(EBADF,RMS$_IFI); |
5ff3f7a4 | 991 | return (Off_t)-1; |
a687059c LW |
992 | } |
993 | ||
994 | bool | |
864dbfa3 | 995 | Perl_do_seek(pTHX_ GV *gv, Off_t pos, int whence) |
a687059c | 996 | { |
9c5ffd7c | 997 | register IO *io = 0; |
137443ea | 998 | register PerlIO *fp; |
a687059c | 999 | |
137443ea | 1000 | if (gv && (io = GvIO(gv)) && (fp = IoIFP(io))) { |
bee1dbe2 | 1001 | #ifdef ULTRIX_STDIO_BOTCH |
137443ea | 1002 | if (PerlIO_eof(fp)) |
1003 | (void)PerlIO_seek(fp, 0L, 2); /* ultrix 1.2 workaround */ | |
bee1dbe2 | 1004 | #endif |
8903cb82 | 1005 | return PerlIO_seek(fp, pos, whence) >= 0; |
137443ea | 1006 | } |
411caa50 JH |
1007 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) |
1008 | report_evil_fh(gv, io, PL_op->op_type); | |
748a9306 | 1009 | SETERRNO(EBADF,RMS$_IFI); |
a687059c LW |
1010 | return FALSE; |
1011 | } | |
1012 | ||
97cc44eb | 1013 | Off_t |
864dbfa3 | 1014 | Perl_do_sysseek(pTHX_ GV *gv, Off_t pos, int whence) |
8903cb82 | 1015 | { |
9c5ffd7c | 1016 | register IO *io = 0; |
8903cb82 | 1017 | register PerlIO *fp; |
1018 | ||
1019 | if (gv && (io = GvIO(gv)) && (fp = IoIFP(io))) | |
3028581b | 1020 | return PerlLIO_lseek(PerlIO_fileno(fp), pos, whence); |
411caa50 JH |
1021 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) |
1022 | report_evil_fh(gv, io, PL_op->op_type); | |
8903cb82 | 1023 | SETERRNO(EBADF,RMS$_IFI); |
d9b3e12d | 1024 | return (Off_t)-1; |
8903cb82 | 1025 | } |
1026 | ||
6ff81951 | 1027 | int |
16fe6d59 GS |
1028 | Perl_mode_from_discipline(pTHX_ SV *discp) |
1029 | { | |
1030 | int mode = O_BINARY; | |
1031 | if (discp) { | |
1032 | STRLEN len; | |
1033 | char *s = SvPV(discp,len); | |
1034 | while (*s) { | |
1035 | if (*s == ':') { | |
1036 | switch (s[1]) { | |
1037 | case 'r': | |
1038 | if (len > 3 && strnEQ(s+1, "raw", 3) | |
1039 | && (!s[4] || s[4] == ':' || isSPACE(s[4]))) | |
1040 | { | |
1041 | mode = O_BINARY; | |
1042 | s += 4; | |
1043 | len -= 4; | |
1044 | break; | |
1045 | } | |
1046 | /* FALL THROUGH */ | |
1047 | case 'c': | |
1048 | if (len > 4 && strnEQ(s+1, "crlf", 4) | |
1049 | && (!s[5] || s[5] == ':' || isSPACE(s[5]))) | |
1050 | { | |
1051 | mode = O_TEXT; | |
1052 | s += 5; | |
1053 | len -= 5; | |
1054 | break; | |
1055 | } | |
1056 | /* FALL THROUGH */ | |
1057 | default: | |
1058 | goto fail_discipline; | |
1059 | } | |
1060 | } | |
1061 | else if (isSPACE(*s)) { | |
1062 | ++s; | |
1063 | --len; | |
1064 | } | |
1065 | else { | |
1066 | char *end; | |
1067 | fail_discipline: | |
1068 | end = strchr(s+1, ':'); | |
1069 | if (!end) | |
1070 | end = s+len; | |
60382766 | 1071 | #ifndef PERLIO_LAYERS |
16fe6d59 | 1072 | Perl_croak(aTHX_ "Unknown discipline '%.*s'", end-s, s); |
60382766 NIS |
1073 | #else |
1074 | s = end; | |
1075 | #endif | |
16fe6d59 GS |
1076 | } |
1077 | } | |
1078 | } | |
1079 | return mode; | |
1080 | } | |
1081 | ||
1082 | int | |
1083 | Perl_do_binmode(pTHX_ PerlIO *fp, int iotype, int mode) | |
6ff81951 | 1084 | { |
60382766 NIS |
1085 | /* The old body of this is now in non-LAYER part of perlio.c |
1086 | * This is a stub for any XS code which might have been calling it. | |
1087 | */ | |
1088 | char *name = (O_BINARY != O_TEXT && !(mode & O_BINARY)) ? ":crlf" : ":raw"; | |
1089 | return PerlIO_binmode(aTHX_ fp, iotype, mode, name); | |
6ff81951 GS |
1090 | } |
1091 | ||
a0d0e21e | 1092 | #if !defined(HAS_TRUNCATE) && !defined(HAS_CHSIZE) && defined(F_FREESP) |
c2ab57d4 | 1093 | /* code courtesy of William Kucharski */ |
fe14fcc3 | 1094 | #define HAS_CHSIZE |
6eb13c3b | 1095 | |
517844ec | 1096 | I32 my_chsize(fd, length) |
79072805 | 1097 | I32 fd; /* file descriptor */ |
85e6fe83 | 1098 | Off_t length; /* length to set file to */ |
6eb13c3b | 1099 | { |
6eb13c3b LW |
1100 | struct flock fl; |
1101 | struct stat filebuf; | |
1102 | ||
3028581b | 1103 | if (PerlLIO_fstat(fd, &filebuf) < 0) |
6eb13c3b LW |
1104 | return -1; |
1105 | ||
1106 | if (filebuf.st_size < length) { | |
1107 | ||
1108 | /* extend file length */ | |
1109 | ||
3028581b | 1110 | if ((PerlLIO_lseek(fd, (length - 1), 0)) < 0) |
6eb13c3b LW |
1111 | return -1; |
1112 | ||
1113 | /* write a "0" byte */ | |
1114 | ||
3028581b | 1115 | if ((PerlLIO_write(fd, "", 1)) != 1) |
6eb13c3b LW |
1116 | return -1; |
1117 | } | |
1118 | else { | |
1119 | /* truncate length */ | |
1120 | ||
1121 | fl.l_whence = 0; | |
1122 | fl.l_len = 0; | |
1123 | fl.l_start = length; | |
a0d0e21e | 1124 | fl.l_type = F_WRLCK; /* write lock on file space */ |
6eb13c3b LW |
1125 | |
1126 | /* | |
a0d0e21e | 1127 | * This relies on the UNDOCUMENTED F_FREESP argument to |
6eb13c3b LW |
1128 | * fcntl(2), which truncates the file so that it ends at the |
1129 | * position indicated by fl.l_start. | |
1130 | * | |
1131 | * Will minor miracles never cease? | |
1132 | */ | |
1133 | ||
a0d0e21e | 1134 | if (fcntl(fd, F_FREESP, &fl) < 0) |
6eb13c3b LW |
1135 | return -1; |
1136 | ||
1137 | } | |
1138 | ||
1139 | return 0; | |
1140 | } | |
a0d0e21e | 1141 | #endif /* F_FREESP */ |
ff8e2863 | 1142 | |
a687059c | 1143 | bool |
864dbfa3 | 1144 | Perl_do_print(pTHX_ register SV *sv, PerlIO *fp) |
a687059c LW |
1145 | { |
1146 | register char *tmps; | |
463ee0b2 | 1147 | STRLEN len; |
a687059c | 1148 | |
79072805 LW |
1149 | /* assuming fp is checked earlier */ |
1150 | if (!sv) | |
1151 | return TRUE; | |
3280af22 | 1152 | if (PL_ofmt) { |
8990e307 | 1153 | if (SvGMAGICAL(sv)) |
79072805 | 1154 | mg_get(sv); |
463ee0b2 | 1155 | if (SvIOK(sv) && SvIVX(sv) != 0) { |
65202027 | 1156 | PerlIO_printf(fp, PL_ofmt, (NV)SvIVX(sv)); |
760ac839 | 1157 | return !PerlIO_error(fp); |
79072805 | 1158 | } |
463ee0b2 | 1159 | if ( (SvNOK(sv) && SvNVX(sv) != 0.0) |
79072805 | 1160 | || (looks_like_number(sv) && sv_2nv(sv) != 0.0) ) { |
3280af22 | 1161 | PerlIO_printf(fp, PL_ofmt, SvNVX(sv)); |
760ac839 | 1162 | return !PerlIO_error(fp); |
79072805 | 1163 | } |
a687059c | 1164 | } |
79072805 LW |
1165 | switch (SvTYPE(sv)) { |
1166 | case SVt_NULL: | |
411caa50 JH |
1167 | if (ckWARN(WARN_UNINITIALIZED)) |
1168 | report_uninit(); | |
ff8e2863 | 1169 | return TRUE; |
79072805 | 1170 | case SVt_IV: |
a0d0e21e LW |
1171 | if (SvIOK(sv)) { |
1172 | if (SvGMAGICAL(sv)) | |
1173 | mg_get(sv); | |
cf2093f6 | 1174 | if (SvIsUV(sv)) |
57def98f | 1175 | PerlIO_printf(fp, "%"UVuf, (UV)SvUVX(sv)); |
cf2093f6 | 1176 | else |
57def98f | 1177 | PerlIO_printf(fp, "%"IVdf, (IV)SvIVX(sv)); |
760ac839 | 1178 | return !PerlIO_error(fp); |
a0d0e21e LW |
1179 | } |
1180 | /* FALL THROUGH */ | |
79072805 | 1181 | default: |
7d59b7e4 | 1182 | if (PerlIO_isutf8(fp)) { |
f9a63242 JH |
1183 | if (!SvUTF8(sv)) |
1184 | sv_utf8_upgrade(sv = sv_mortalcopy(sv)); | |
7d59b7e4 | 1185 | } |
ae798467 | 1186 | else if (DO_UTF8(sv)) { |
2da16753 RGS |
1187 | if (!sv_utf8_downgrade((sv = sv_mortalcopy(sv)), TRUE) |
1188 | && ckWARN(WARN_UTF8)) | |
1189 | { | |
ae798467 NIS |
1190 | Perl_warner(aTHX_ WARN_UTF8, "Wide character in print"); |
1191 | } | |
1192 | } | |
f9a63242 | 1193 | tmps = SvPV(sv, len); |
79072805 | 1194 | break; |
ff8e2863 | 1195 | } |
94e4c244 JH |
1196 | /* To detect whether the process is about to overstep its |
1197 | * filesize limit we would need getrlimit(). We could then | |
1198 | * also transparently raise the limit with setrlimit() -- | |
1199 | * but only until the system hard limit/the filesystem limit, | |
c5dd3cdd JH |
1200 | * at which we would get EPERM. Note that when using buffered |
1201 | * io the write failure can be delayed until the flush/close. --jhi */ | |
a21ac455 | 1202 | if (len && (PerlIO_write(fp,tmps,len) == 0)) |
a687059c | 1203 | return FALSE; |
760ac839 | 1204 | return !PerlIO_error(fp); |
a687059c LW |
1205 | } |
1206 | ||
79072805 | 1207 | I32 |
cea2e8a9 | 1208 | Perl_my_stat(pTHX) |
a687059c | 1209 | { |
39644a26 | 1210 | dSP; |
79072805 | 1211 | IO *io; |
2dd78f96 | 1212 | GV* gv; |
79072805 | 1213 | |
533c011a | 1214 | if (PL_op->op_flags & OPf_REF) { |
924508f0 | 1215 | EXTEND(SP,1); |
2dd78f96 | 1216 | gv = cGVOP_gv; |
748a9306 | 1217 | do_fstat: |
2dd78f96 | 1218 | io = GvIO(gv); |
8990e307 | 1219 | if (io && IoIFP(io)) { |
2dd78f96 | 1220 | PL_statgv = gv; |
3280af22 NIS |
1221 | sv_setpv(PL_statname,""); |
1222 | PL_laststype = OP_STAT; | |
1223 | return (PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache)); | |
a687059c LW |
1224 | } |
1225 | else { | |
2dd78f96 | 1226 | if (gv == PL_defgv) |
3280af22 | 1227 | return PL_laststatval; |
2dd78f96 JH |
1228 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) |
1229 | report_evil_fh(gv, io, PL_op->op_type); | |
3280af22 NIS |
1230 | PL_statgv = Nullgv; |
1231 | sv_setpv(PL_statname,""); | |
1232 | return (PL_laststatval = -1); | |
a687059c LW |
1233 | } |
1234 | } | |
1235 | else { | |
748a9306 | 1236 | SV* sv = POPs; |
4b74e3fb | 1237 | char *s; |
2d8e6c8d | 1238 | STRLEN n_a; |
79072805 | 1239 | PUTBACK; |
748a9306 | 1240 | if (SvTYPE(sv) == SVt_PVGV) { |
2dd78f96 | 1241 | gv = (GV*)sv; |
748a9306 LW |
1242 | goto do_fstat; |
1243 | } | |
1244 | else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) { | |
2dd78f96 | 1245 | gv = (GV*)SvRV(sv); |
748a9306 LW |
1246 | goto do_fstat; |
1247 | } | |
1248 | ||
2d8e6c8d | 1249 | s = SvPV(sv, n_a); |
3280af22 NIS |
1250 | PL_statgv = Nullgv; |
1251 | sv_setpv(PL_statname, s); | |
1252 | PL_laststype = OP_STAT; | |
1253 | PL_laststatval = PerlLIO_stat(s, &PL_statcache); | |
599cee73 | 1254 | if (PL_laststatval < 0 && ckWARN(WARN_NEWLINE) && strchr(s, '\n')) |
cea2e8a9 | 1255 | Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "stat"); |
3280af22 | 1256 | return PL_laststatval; |
a687059c LW |
1257 | } |
1258 | } | |
1259 | ||
79072805 | 1260 | I32 |
cea2e8a9 | 1261 | Perl_my_lstat(pTHX) |
c623bd54 | 1262 | { |
39644a26 | 1263 | dSP; |
79072805 | 1264 | SV *sv; |
2d8e6c8d | 1265 | STRLEN n_a; |
533c011a | 1266 | if (PL_op->op_flags & OPf_REF) { |
924508f0 | 1267 | EXTEND(SP,1); |
638eceb6 | 1268 | if (cGVOP_gv == PL_defgv) { |
3280af22 | 1269 | if (PL_laststype != OP_LSTAT) |
cea2e8a9 | 1270 | Perl_croak(aTHX_ "The stat preceding -l _ wasn't an lstat"); |
3280af22 | 1271 | return PL_laststatval; |
fe14fcc3 | 1272 | } |
cea2e8a9 | 1273 | Perl_croak(aTHX_ "You can't use -l on a filehandle"); |
fe14fcc3 | 1274 | } |
c623bd54 | 1275 | |
3280af22 NIS |
1276 | PL_laststype = OP_LSTAT; |
1277 | PL_statgv = Nullgv; | |
79072805 LW |
1278 | sv = POPs; |
1279 | PUTBACK; | |
2d8e6c8d | 1280 | sv_setpv(PL_statname,SvPV(sv, n_a)); |
2d8e6c8d | 1281 | PL_laststatval = PerlLIO_lstat(SvPV(sv, n_a),&PL_statcache); |
2d8e6c8d | 1282 | if (PL_laststatval < 0 && ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n')) |
cea2e8a9 | 1283 | Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "lstat"); |
3280af22 | 1284 | return PL_laststatval; |
c623bd54 LW |
1285 | } |
1286 | ||
a687059c | 1287 | bool |
864dbfa3 | 1288 | Perl_do_aexec(pTHX_ SV *really, register SV **mark, register SV **sp) |
a687059c | 1289 | { |
d5a9bfb0 IZ |
1290 | return do_aexec5(really, mark, sp, 0, 0); |
1291 | } | |
1292 | ||
1293 | bool | |
2aa1486d GS |
1294 | Perl_do_aexec5(pTHX_ SV *really, register SV **mark, register SV **sp, |
1295 | int fd, int do_report) | |
d5a9bfb0 | 1296 | { |
cd39f2b6 JH |
1297 | #ifdef MACOS_TRADITIONAL |
1298 | Perl_croak(aTHX_ "exec? I'm not *that* kind of operating system"); | |
1299 | #else | |
a687059c | 1300 | register char **a; |
9c5ffd7c | 1301 | char *tmps = Nullch; |
2d8e6c8d | 1302 | STRLEN n_a; |
a687059c | 1303 | |
79072805 | 1304 | if (sp > mark) { |
3280af22 NIS |
1305 | New(401,PL_Argv, sp - mark + 1, char*); |
1306 | a = PL_Argv; | |
79072805 LW |
1307 | while (++mark <= sp) { |
1308 | if (*mark) | |
2d8e6c8d | 1309 | *a++ = SvPVx(*mark, n_a); |
a687059c LW |
1310 | else |
1311 | *a++ = ""; | |
1312 | } | |
1313 | *a = Nullch; | |
91b2752f RG |
1314 | if (really) |
1315 | tmps = SvPV(really, n_a); | |
1316 | if ((!really && *PL_Argv[0] != '/') || | |
1317 | (really && *tmps != '/')) /* will execvp use PATH? */ | |
79072805 | 1318 | TAINT_ENV(); /* testing IFS here is overkill, probably */ |
91b2752f | 1319 | if (really && *tmps) |
b4748376 | 1320 | PerlProc_execvp(tmps,EXEC_ARGV_CAST(PL_Argv)); |
a687059c | 1321 | else |
b4748376 | 1322 | PerlProc_execvp(PL_Argv[0],EXEC_ARGV_CAST(PL_Argv)); |
599cee73 | 1323 | if (ckWARN(WARN_EXEC)) |
a1d180c4 | 1324 | Perl_warner(aTHX_ WARN_EXEC, "Can't exec \"%s\": %s", |
91b2752f | 1325 | (really ? tmps : PL_Argv[0]), Strerror(errno)); |
d5a9bfb0 IZ |
1326 | if (do_report) { |
1327 | int e = errno; | |
1328 | ||
1329 | PerlLIO_write(fd, (void*)&e, sizeof(int)); | |
1330 | PerlLIO_close(fd); | |
1331 | } | |
a687059c | 1332 | } |
bee1dbe2 | 1333 | do_execfree(); |
cd39f2b6 | 1334 | #endif |
a687059c LW |
1335 | return FALSE; |
1336 | } | |
1337 | ||
fe14fcc3 | 1338 | void |
864dbfa3 | 1339 | Perl_do_execfree(pTHX) |
ff8e2863 | 1340 | { |
3280af22 NIS |
1341 | if (PL_Argv) { |
1342 | Safefree(PL_Argv); | |
1343 | PL_Argv = Null(char **); | |
ff8e2863 | 1344 | } |
3280af22 NIS |
1345 | if (PL_Cmd) { |
1346 | Safefree(PL_Cmd); | |
1347 | PL_Cmd = Nullch; | |
ff8e2863 LW |
1348 | } |
1349 | } | |
1350 | ||
cd39f2b6 | 1351 | #if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(MACOS_TRADITIONAL) |
760ac839 | 1352 | |
a687059c | 1353 | bool |
864dbfa3 | 1354 | Perl_do_exec(pTHX_ char *cmd) |
a687059c | 1355 | { |
e446cec8 IZ |
1356 | return do_exec3(cmd,0,0); |
1357 | } | |
1358 | ||
1359 | bool | |
864dbfa3 | 1360 | Perl_do_exec3(pTHX_ char *cmd, int fd, int do_report) |
e446cec8 | 1361 | { |
a687059c LW |
1362 | register char **a; |
1363 | register char *s; | |
a687059c | 1364 | |
748a9306 LW |
1365 | while (*cmd && isSPACE(*cmd)) |
1366 | cmd++; | |
1367 | ||
a687059c LW |
1368 | /* save an extra exec if possible */ |
1369 | ||
bf38876a | 1370 | #ifdef CSH |
d05c1ba0 JH |
1371 | { |
1372 | char flags[10]; | |
1373 | if (strnEQ(cmd,PL_cshname,PL_cshlen) && | |
1374 | strnEQ(cmd+PL_cshlen," -c",3)) { | |
1375 | strcpy(flags,"-c"); | |
1376 | s = cmd+PL_cshlen+3; | |
1377 | if (*s == 'f') { | |
1378 | s++; | |
1379 | strcat(flags,"f"); | |
1380 | } | |
1381 | if (*s == ' ') | |
1382 | s++; | |
1383 | if (*s++ == '\'') { | |
1384 | char *ncmd = s; | |
1385 | ||
1386 | while (*s) | |
1387 | s++; | |
1388 | if (s[-1] == '\n') | |
1389 | *--s = '\0'; | |
1390 | if (s[-1] == '\'') { | |
1391 | *--s = '\0'; | |
1392 | PerlProc_execl(PL_cshname,"csh", flags, ncmd, (char*)0); | |
1393 | *s = '\''; | |
1394 | return FALSE; | |
1395 | } | |
1396 | } | |
a687059c LW |
1397 | } |
1398 | } | |
bf38876a | 1399 | #endif /* CSH */ |
a687059c LW |
1400 | |
1401 | /* see if there are shell metacharacters in it */ | |
1402 | ||
748a9306 LW |
1403 | if (*cmd == '.' && isSPACE(cmd[1])) |
1404 | goto doshell; | |
1405 | ||
1406 | if (strnEQ(cmd,"exec",4) && isSPACE(cmd[4])) | |
1407 | goto doshell; | |
1408 | ||
c170e444 | 1409 | for (s = cmd; *s && isALNUM(*s); s++) ; /* catch VAR=val gizmo */ |
63f2c1e1 LW |
1410 | if (*s == '=') |
1411 | goto doshell; | |
748a9306 | 1412 | |
a687059c | 1413 | for (s = cmd; *s; s++) { |
d05c1ba0 JH |
1414 | if (*s != ' ' && !isALPHA(*s) && |
1415 | strchr("$&*(){}[]'\";\\|?<>~`\n",*s)) { | |
a687059c LW |
1416 | if (*s == '\n' && !s[1]) { |
1417 | *s = '\0'; | |
1418 | break; | |
1419 | } | |
603a98b0 IZ |
1420 | /* handle the 2>&1 construct at the end */ |
1421 | if (*s == '>' && s[1] == '&' && s[2] == '1' | |
1422 | && s > cmd + 1 && s[-1] == '2' && isSPACE(s[-2]) | |
1423 | && (!s[3] || isSPACE(s[3]))) | |
1424 | { | |
1425 | char *t = s + 3; | |
1426 | ||
1427 | while (*t && isSPACE(*t)) | |
1428 | ++t; | |
1429 | if (!*t && (dup2(1,2) != -1)) { | |
1430 | s[-2] = '\0'; | |
1431 | break; | |
1432 | } | |
1433 | } | |
a687059c | 1434 | doshell: |
3280af22 | 1435 | PerlProc_execl(PL_sh_path, "sh", "-c", cmd, (char*)0); |
a687059c LW |
1436 | return FALSE; |
1437 | } | |
1438 | } | |
748a9306 | 1439 | |
3280af22 NIS |
1440 | New(402,PL_Argv, (s - cmd) / 2 + 2, char*); |
1441 | PL_Cmd = savepvn(cmd, s-cmd); | |
1442 | a = PL_Argv; | |
1443 | for (s = PL_Cmd; *s;) { | |
99b89507 | 1444 | while (*s && isSPACE(*s)) s++; |
a687059c LW |
1445 | if (*s) |
1446 | *(a++) = s; | |
99b89507 | 1447 | while (*s && !isSPACE(*s)) s++; |
a687059c LW |
1448 | if (*s) |
1449 | *s++ = '\0'; | |
1450 | } | |
1451 | *a = Nullch; | |
3280af22 NIS |
1452 | if (PL_Argv[0]) { |
1453 | PerlProc_execvp(PL_Argv[0],PL_Argv); | |
b1248f16 | 1454 | if (errno == ENOEXEC) { /* for system V NIH syndrome */ |
ff8e2863 | 1455 | do_execfree(); |
a687059c | 1456 | goto doshell; |
b1248f16 | 1457 | } |
d008e5eb | 1458 | { |
e446cec8 IZ |
1459 | int e = errno; |
1460 | ||
d008e5eb | 1461 | if (ckWARN(WARN_EXEC)) |
a1d180c4 | 1462 | Perl_warner(aTHX_ WARN_EXEC, "Can't exec \"%s\": %s", |
d008e5eb | 1463 | PL_Argv[0], Strerror(errno)); |
e446cec8 IZ |
1464 | if (do_report) { |
1465 | PerlLIO_write(fd, (void*)&e, sizeof(int)); | |
1466 | PerlLIO_close(fd); | |
1467 | } | |
d008e5eb | 1468 | } |
a687059c | 1469 | } |
ff8e2863 | 1470 | do_execfree(); |
a687059c LW |
1471 | return FALSE; |
1472 | } | |
1473 | ||
6890e559 | 1474 | #endif /* OS2 || WIN32 */ |
760ac839 | 1475 | |
79072805 | 1476 | I32 |
864dbfa3 | 1477 | Perl_apply(pTHX_ I32 type, register SV **mark, register SV **sp) |
a687059c | 1478 | { |
79072805 LW |
1479 | register I32 val; |
1480 | register I32 val2; | |
1481 | register I32 tot = 0; | |
20408e3c | 1482 | char *what; |
a687059c | 1483 | char *s; |
79072805 | 1484 | SV **oldmark = mark; |
2d8e6c8d | 1485 | STRLEN n_a; |
a687059c | 1486 | |
20408e3c | 1487 | #define APPLY_TAINT_PROPER() \ |
3280af22 | 1488 | STMT_START { \ |
17406bd6 | 1489 | if (PL_tainted) { TAINT_PROPER(what); } \ |
873ef191 | 1490 | } STMT_END |
20408e3c GS |
1491 | |
1492 | /* This is a first heuristic; it doesn't catch tainting magic. */ | |
3280af22 | 1493 | if (PL_tainting) { |
463ee0b2 | 1494 | while (++mark <= sp) { |
bbce6d69 | 1495 | if (SvTAINTED(*mark)) { |
1496 | TAINT; | |
1497 | break; | |
1498 | } | |
463ee0b2 LW |
1499 | } |
1500 | mark = oldmark; | |
1501 | } | |
a687059c | 1502 | switch (type) { |
79072805 | 1503 | case OP_CHMOD: |
20408e3c GS |
1504 | what = "chmod"; |
1505 | APPLY_TAINT_PROPER(); | |
79072805 | 1506 | if (++mark <= sp) { |
463ee0b2 | 1507 | val = SvIVx(*mark); |
20408e3c GS |
1508 | APPLY_TAINT_PROPER(); |
1509 | tot = sp - mark; | |
79072805 | 1510 | while (++mark <= sp) { |
2d8e6c8d | 1511 | char *name = SvPVx(*mark, n_a); |
20408e3c GS |
1512 | APPLY_TAINT_PROPER(); |
1513 | if (PerlLIO_chmod(name, val)) | |
a687059c LW |
1514 | tot--; |
1515 | } | |
1516 | } | |
1517 | break; | |
fe14fcc3 | 1518 | #ifdef HAS_CHOWN |
79072805 | 1519 | case OP_CHOWN: |
20408e3c GS |
1520 | what = "chown"; |
1521 | APPLY_TAINT_PROPER(); | |
79072805 | 1522 | if (sp - mark > 2) { |
463ee0b2 LW |
1523 | val = SvIVx(*++mark); |
1524 | val2 = SvIVx(*++mark); | |
20408e3c | 1525 | APPLY_TAINT_PROPER(); |
a0d0e21e | 1526 | tot = sp - mark; |
79072805 | 1527 | while (++mark <= sp) { |
2d8e6c8d | 1528 | char *name = SvPVx(*mark, n_a); |
20408e3c | 1529 | APPLY_TAINT_PROPER(); |
36660982 | 1530 | if (PerlLIO_chown(name, val, val2)) |
a687059c LW |
1531 | tot--; |
1532 | } | |
1533 | } | |
1534 | break; | |
b1248f16 | 1535 | #endif |
a1d180c4 | 1536 | /* |
dd64f1c3 AD |
1537 | XXX Should we make lchown() directly available from perl? |
1538 | For now, we'll let Configure test for HAS_LCHOWN, but do | |
1539 | nothing in the core. | |
1540 | --AD 5/1998 | |
1541 | */ | |
fe14fcc3 | 1542 | #ifdef HAS_KILL |
79072805 | 1543 | case OP_KILL: |
20408e3c GS |
1544 | what = "kill"; |
1545 | APPLY_TAINT_PROPER(); | |
55497cff | 1546 | if (mark == sp) |
1547 | break; | |
2d8e6c8d | 1548 | s = SvPVx(*++mark, n_a); |
79072805 LW |
1549 | if (isUPPER(*s)) { |
1550 | if (*s == 'S' && s[1] == 'I' && s[2] == 'G') | |
1551 | s += 3; | |
1552 | if (!(val = whichsig(s))) | |
cea2e8a9 | 1553 | Perl_croak(aTHX_ "Unrecognized signal name \"%s\"",s); |
79072805 LW |
1554 | } |
1555 | else | |
463ee0b2 | 1556 | val = SvIVx(*mark); |
20408e3c GS |
1557 | APPLY_TAINT_PROPER(); |
1558 | tot = sp - mark; | |
3595fcef | 1559 | #ifdef VMS |
1560 | /* kill() doesn't do process groups (job trees?) under VMS */ | |
1561 | if (val < 0) val = -val; | |
1562 | if (val == SIGKILL) { | |
1563 | # include <starlet.h> | |
1564 | /* Use native sys$delprc() to insure that target process is | |
1565 | * deleted; supervisor-mode images don't pay attention to | |
1566 | * CRTL's emulation of Unix-style signals and kill() | |
1567 | */ | |
1568 | while (++mark <= sp) { | |
1569 | I32 proc = SvIVx(*mark); | |
1570 | register unsigned long int __vmssts; | |
20408e3c | 1571 | APPLY_TAINT_PROPER(); |
3595fcef | 1572 | if (!((__vmssts = sys$delprc(&proc,0)) & 1)) { |
1573 | tot--; | |
1574 | switch (__vmssts) { | |
1575 | case SS$_NONEXPR: | |
1576 | case SS$_NOSUCHNODE: | |
1577 | SETERRNO(ESRCH,__vmssts); | |
1578 | break; | |
1579 | case SS$_NOPRIV: | |
1580 | SETERRNO(EPERM,__vmssts); | |
1581 | break; | |
1582 | default: | |
1583 | SETERRNO(EVMSERR,__vmssts); | |
1584 | } | |
1585 | } | |
1586 | } | |
1587 | break; | |
1588 | } | |
1589 | #endif | |
79072805 LW |
1590 | if (val < 0) { |
1591 | val = -val; | |
1592 | while (++mark <= sp) { | |
463ee0b2 | 1593 | I32 proc = SvIVx(*mark); |
20408e3c | 1594 | APPLY_TAINT_PROPER(); |
fe14fcc3 | 1595 | #ifdef HAS_KILLPG |
3028581b | 1596 | if (PerlProc_killpg(proc,val)) /* BSD */ |
a687059c | 1597 | #else |
3028581b | 1598 | if (PerlProc_kill(-proc,val)) /* SYSV */ |
a687059c | 1599 | #endif |
79072805 | 1600 | tot--; |
a687059c | 1601 | } |
79072805 LW |
1602 | } |
1603 | else { | |
1604 | while (++mark <= sp) { | |
20408e3c GS |
1605 | I32 proc = SvIVx(*mark); |
1606 | APPLY_TAINT_PROPER(); | |
1607 | if (PerlProc_kill(proc, val)) | |
79072805 | 1608 | tot--; |
a687059c LW |
1609 | } |
1610 | } | |
1611 | break; | |
b1248f16 | 1612 | #endif |
79072805 | 1613 | case OP_UNLINK: |
20408e3c GS |
1614 | what = "unlink"; |
1615 | APPLY_TAINT_PROPER(); | |
79072805 LW |
1616 | tot = sp - mark; |
1617 | while (++mark <= sp) { | |
2d8e6c8d | 1618 | s = SvPVx(*mark, n_a); |
20408e3c | 1619 | APPLY_TAINT_PROPER(); |
3280af22 | 1620 | if (PL_euid || PL_unsafe) { |
a687059c LW |
1621 | if (UNLINK(s)) |
1622 | tot--; | |
1623 | } | |
1624 | else { /* don't let root wipe out directories without -U */ | |
3280af22 | 1625 | if (PerlLIO_lstat(s,&PL_statbuf) < 0 || S_ISDIR(PL_statbuf.st_mode)) |
a687059c LW |
1626 | tot--; |
1627 | else { | |
1628 | if (UNLINK(s)) | |
1629 | tot--; | |
1630 | } | |
1631 | } | |
1632 | } | |
1633 | break; | |
a0d0e21e | 1634 | #ifdef HAS_UTIME |
79072805 | 1635 | case OP_UTIME: |
20408e3c GS |
1636 | what = "utime"; |
1637 | APPLY_TAINT_PROPER(); | |
79072805 | 1638 | if (sp - mark > 2) { |
748a9306 | 1639 | #if defined(I_UTIME) || defined(VMS) |
663a0e37 LW |
1640 | struct utimbuf utbuf; |
1641 | #else | |
a687059c | 1642 | struct { |
dd2821f6 GS |
1643 | Time_t actime; |
1644 | Time_t modtime; | |
a687059c | 1645 | } utbuf; |
663a0e37 | 1646 | #endif |
a687059c | 1647 | |
c6f7b413 RS |
1648 | SV* accessed = *++mark; |
1649 | SV* modified = *++mark; | |
1650 | void * utbufp = &utbuf; | |
1651 | ||
1652 | /* be like C, and if both times are undefined, let the C | |
1653 | library figure out what to do. This usually means | |
1654 | "current time" */ | |
1655 | ||
1656 | if ( accessed == &PL_sv_undef && modified == &PL_sv_undef ) | |
1657 | utbufp = NULL; | |
06c7082d | 1658 | |
afd9f252 | 1659 | Zero(&utbuf, sizeof utbuf, char); |
517844ec | 1660 | #ifdef BIG_TIME |
c6f7b413 RS |
1661 | utbuf.actime = (Time_t)SvNVx(accessed); /* time accessed */ |
1662 | utbuf.modtime = (Time_t)SvNVx(modified); /* time modified */ | |
517844ec | 1663 | #else |
c6f7b413 RS |
1664 | utbuf.actime = (Time_t)SvIVx(accessed); /* time accessed */ |
1665 | utbuf.modtime = (Time_t)SvIVx(modified); /* time modified */ | |
517844ec | 1666 | #endif |
20408e3c | 1667 | APPLY_TAINT_PROPER(); |
79072805 LW |
1668 | tot = sp - mark; |
1669 | while (++mark <= sp) { | |
2d8e6c8d | 1670 | char *name = SvPVx(*mark, n_a); |
20408e3c | 1671 | APPLY_TAINT_PROPER(); |
c6f7b413 | 1672 | if (PerlLIO_utime(name, utbufp)) |
a687059c LW |
1673 | tot--; |
1674 | } | |
a687059c LW |
1675 | } |
1676 | else | |
79072805 | 1677 | tot = 0; |
a687059c | 1678 | break; |
a0d0e21e | 1679 | #endif |
a687059c LW |
1680 | } |
1681 | return tot; | |
20408e3c | 1682 | |
20408e3c | 1683 | #undef APPLY_TAINT_PROPER |
a687059c LW |
1684 | } |
1685 | ||
1686 | /* Do the permissions allow some operation? Assumes statcache already set. */ | |
a0d0e21e | 1687 | #ifndef VMS /* VMS' cando is in vms.c */ |
7f4774ae JH |
1688 | bool |
1689 | Perl_cando(pTHX_ Mode_t mode, Uid_t effective, register Stat_t *statbufp) | |
1690 | /* Note: we use `effective' both for uids and gids. | |
1691 | * Here we are betting on Uid_t being equal or wider than Gid_t. */ | |
a687059c | 1692 | { |
bee1dbe2 | 1693 | #ifdef DOSISH |
fe14fcc3 LW |
1694 | /* [Comments and code from Len Reed] |
1695 | * MS-DOS "user" is similar to UNIX's "superuser," but can't write | |
1696 | * to write-protected files. The execute permission bit is set | |
1697 | * by the Miscrosoft C library stat() function for the following: | |
1698 | * .exe files | |
1699 | * .com files | |
1700 | * .bat files | |
1701 | * directories | |
1702 | * All files and directories are readable. | |
1703 | * Directories and special files, e.g. "CON", cannot be | |
1704 | * write-protected. | |
1705 | * [Comment by Tom Dinger -- a directory can have the write-protect | |
1706 | * bit set in the file system, but DOS permits changes to | |
1707 | * the directory anyway. In addition, all bets are off | |
1708 | * here for networked software, such as Novell and | |
1709 | * Sun's PC-NFS.] | |
1710 | */ | |
1711 | ||
bee1dbe2 LW |
1712 | /* Atari stat() does pretty much the same thing. we set x_bit_set_in_stat |
1713 | * too so it will actually look into the files for magic numbers | |
1714 | */ | |
7f4774ae | 1715 | return (mode & statbufp->st_mode) ? TRUE : FALSE; |
fe14fcc3 | 1716 | |
55497cff | 1717 | #else /* ! DOSISH */ |
3280af22 | 1718 | if ((effective ? PL_euid : PL_uid) == 0) { /* root is special */ |
7f4774ae | 1719 | if (mode == S_IXUSR) { |
c623bd54 | 1720 | if (statbufp->st_mode & 0111 || S_ISDIR(statbufp->st_mode)) |
a687059c LW |
1721 | return TRUE; |
1722 | } | |
1723 | else | |
1724 | return TRUE; /* root reads and writes anything */ | |
1725 | return FALSE; | |
1726 | } | |
3280af22 | 1727 | if (statbufp->st_uid == (effective ? PL_euid : PL_uid) ) { |
7f4774ae | 1728 | if (statbufp->st_mode & mode) |
a687059c LW |
1729 | return TRUE; /* ok as "user" */ |
1730 | } | |
d8eceb89 | 1731 | else if (ingroup(statbufp->st_gid,effective)) { |
7f4774ae | 1732 | if (statbufp->st_mode & mode >> 3) |
a687059c LW |
1733 | return TRUE; /* ok as "group" */ |
1734 | } | |
7f4774ae | 1735 | else if (statbufp->st_mode & mode >> 6) |
a687059c LW |
1736 | return TRUE; /* ok as "other" */ |
1737 | return FALSE; | |
55497cff | 1738 | #endif /* ! DOSISH */ |
a687059c | 1739 | } |
a0d0e21e | 1740 | #endif /* ! VMS */ |
a687059c | 1741 | |
d8eceb89 JH |
1742 | bool |
1743 | Perl_ingroup(pTHX_ Gid_t testgid, Uid_t effective) | |
a687059c | 1744 | { |
cd39f2b6 JH |
1745 | #ifdef MACOS_TRADITIONAL |
1746 | /* This is simply not correct for AppleShare, but fix it yerself. */ | |
1747 | return TRUE; | |
1748 | #else | |
3280af22 | 1749 | if (testgid == (effective ? PL_egid : PL_gid)) |
a687059c | 1750 | return TRUE; |
fe14fcc3 | 1751 | #ifdef HAS_GETGROUPS |
a687059c LW |
1752 | #ifndef NGROUPS |
1753 | #define NGROUPS 32 | |
1754 | #endif | |
1755 | { | |
a0d0e21e | 1756 | Groups_t gary[NGROUPS]; |
79072805 | 1757 | I32 anum; |
a687059c LW |
1758 | |
1759 | anum = getgroups(NGROUPS,gary); | |
1760 | while (--anum >= 0) | |
1761 | if (gary[anum] == testgid) | |
1762 | return TRUE; | |
1763 | } | |
1764 | #endif | |
1765 | return FALSE; | |
cd39f2b6 | 1766 | #endif |
a687059c | 1767 | } |
c2ab57d4 | 1768 | |
fe14fcc3 | 1769 | #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM) |
c2ab57d4 | 1770 | |
79072805 | 1771 | I32 |
864dbfa3 | 1772 | Perl_do_ipcget(pTHX_ I32 optype, SV **mark, SV **sp) |
c2ab57d4 | 1773 | { |
c2ab57d4 | 1774 | key_t key; |
79072805 | 1775 | I32 n, flags; |
c2ab57d4 | 1776 | |
463ee0b2 LW |
1777 | key = (key_t)SvNVx(*++mark); |
1778 | n = (optype == OP_MSGGET) ? 0 : SvIVx(*++mark); | |
1779 | flags = SvIVx(*++mark); | |
748a9306 | 1780 | SETERRNO(0,0); |
c2ab57d4 LW |
1781 | switch (optype) |
1782 | { | |
fe14fcc3 | 1783 | #ifdef HAS_MSG |
79072805 | 1784 | case OP_MSGGET: |
c2ab57d4 | 1785 | return msgget(key, flags); |
e5d73d77 | 1786 | #endif |
fe14fcc3 | 1787 | #ifdef HAS_SEM |
79072805 | 1788 | case OP_SEMGET: |
c2ab57d4 | 1789 | return semget(key, n, flags); |
e5d73d77 | 1790 | #endif |
fe14fcc3 | 1791 | #ifdef HAS_SHM |
79072805 | 1792 | case OP_SHMGET: |
c2ab57d4 | 1793 | return shmget(key, n, flags); |
e5d73d77 | 1794 | #endif |
fe14fcc3 | 1795 | #if !defined(HAS_MSG) || !defined(HAS_SEM) || !defined(HAS_SHM) |
e5d73d77 | 1796 | default: |
cea2e8a9 | 1797 | Perl_croak(aTHX_ "%s not implemented", PL_op_desc[optype]); |
e5d73d77 | 1798 | #endif |
c2ab57d4 LW |
1799 | } |
1800 | return -1; /* should never happen */ | |
1801 | } | |
1802 | ||
79072805 | 1803 | I32 |
864dbfa3 | 1804 | Perl_do_ipcctl(pTHX_ I32 optype, SV **mark, SV **sp) |
c2ab57d4 | 1805 | { |
79072805 | 1806 | SV *astr; |
c2ab57d4 | 1807 | char *a; |
a0d0e21e LW |
1808 | I32 id, n, cmd, infosize, getinfo; |
1809 | I32 ret = -1; | |
c2ab57d4 | 1810 | |
463ee0b2 LW |
1811 | id = SvIVx(*++mark); |
1812 | n = (optype == OP_SEMCTL) ? SvIVx(*++mark) : 0; | |
1813 | cmd = SvIVx(*++mark); | |
79072805 | 1814 | astr = *++mark; |
c2ab57d4 LW |
1815 | infosize = 0; |
1816 | getinfo = (cmd == IPC_STAT); | |
1817 | ||
1818 | switch (optype) | |
1819 | { | |
fe14fcc3 | 1820 | #ifdef HAS_MSG |
79072805 | 1821 | case OP_MSGCTL: |
c2ab57d4 LW |
1822 | if (cmd == IPC_STAT || cmd == IPC_SET) |
1823 | infosize = sizeof(struct msqid_ds); | |
1824 | break; | |
e5d73d77 | 1825 | #endif |
fe14fcc3 | 1826 | #ifdef HAS_SHM |
79072805 | 1827 | case OP_SHMCTL: |
c2ab57d4 LW |
1828 | if (cmd == IPC_STAT || cmd == IPC_SET) |
1829 | infosize = sizeof(struct shmid_ds); | |
1830 | break; | |
e5d73d77 | 1831 | #endif |
fe14fcc3 | 1832 | #ifdef HAS_SEM |
79072805 | 1833 | case OP_SEMCTL: |
39398f3f | 1834 | #ifdef Semctl |
c2ab57d4 LW |
1835 | if (cmd == IPC_STAT || cmd == IPC_SET) |
1836 | infosize = sizeof(struct semid_ds); | |
1837 | else if (cmd == GETALL || cmd == SETALL) | |
1838 | { | |
8e591e46 | 1839 | struct semid_ds semds; |
bd89102f | 1840 | union semun semun; |
e6f0bdd6 GS |
1841 | #ifdef EXTRA_F_IN_SEMUN_BUF |
1842 | semun.buff = &semds; | |
1843 | #else | |
84902520 | 1844 | semun.buf = &semds; |
e6f0bdd6 | 1845 | #endif |
c2ab57d4 | 1846 | getinfo = (cmd == GETALL); |
9b89d93d GB |
1847 | if (Semctl(id, 0, IPC_STAT, semun) == -1) |
1848 | return -1; | |
6e21c824 LW |
1849 | infosize = semds.sem_nsems * sizeof(short); |
1850 | /* "short" is technically wrong but much more portable | |
1851 | than guessing about u_?short(_t)? */ | |
c2ab57d4 | 1852 | } |
39398f3f | 1853 | #else |
cea2e8a9 | 1854 | Perl_croak(aTHX_ "%s not implemented", PL_op_desc[optype]); |
39398f3f | 1855 | #endif |
c2ab57d4 | 1856 | break; |
e5d73d77 | 1857 | #endif |
fe14fcc3 | 1858 | #if !defined(HAS_MSG) || !defined(HAS_SEM) || !defined(HAS_SHM) |
e5d73d77 | 1859 | default: |
cea2e8a9 | 1860 | Perl_croak(aTHX_ "%s not implemented", PL_op_desc[optype]); |
e5d73d77 | 1861 | #endif |
c2ab57d4 LW |
1862 | } |
1863 | ||
1864 | if (infosize) | |
1865 | { | |
a0d0e21e | 1866 | STRLEN len; |
c2ab57d4 LW |
1867 | if (getinfo) |
1868 | { | |
a0d0e21e LW |
1869 | SvPV_force(astr, len); |
1870 | a = SvGROW(astr, infosize+1); | |
c2ab57d4 LW |
1871 | } |
1872 | else | |
1873 | { | |
463ee0b2 LW |
1874 | a = SvPV(astr, len); |
1875 | if (len != infosize) | |
cea2e8a9 | 1876 | Perl_croak(aTHX_ "Bad arg length for %s, is %lu, should be %ld", |
4ec43091 JH |
1877 | PL_op_desc[optype], |
1878 | (unsigned long)len, | |
1879 | (long)infosize); | |
c2ab57d4 LW |
1880 | } |
1881 | } | |
1882 | else | |
1883 | { | |
c030ccd9 | 1884 | IV i = SvIV(astr); |
56431972 | 1885 | a = INT2PTR(char *,i); /* ouch */ |
c2ab57d4 | 1886 | } |
748a9306 | 1887 | SETERRNO(0,0); |
c2ab57d4 LW |
1888 | switch (optype) |
1889 | { | |
fe14fcc3 | 1890 | #ifdef HAS_MSG |
79072805 | 1891 | case OP_MSGCTL: |
bee1dbe2 | 1892 | ret = msgctl(id, cmd, (struct msqid_ds *)a); |
c2ab57d4 | 1893 | break; |
e5d73d77 | 1894 | #endif |
fe14fcc3 | 1895 | #ifdef HAS_SEM |
bd89102f | 1896 | case OP_SEMCTL: { |
39398f3f | 1897 | #ifdef Semctl |
bd89102f AD |
1898 | union semun unsemds; |
1899 | ||
e6f0bdd6 GS |
1900 | #ifdef EXTRA_F_IN_SEMUN_BUF |
1901 | unsemds.buff = (struct semid_ds *)a; | |
1902 | #else | |
bd89102f | 1903 | unsemds.buf = (struct semid_ds *)a; |
e6f0bdd6 | 1904 | #endif |
bd89102f | 1905 | ret = Semctl(id, n, cmd, unsemds); |
39398f3f | 1906 | #else |
cea2e8a9 | 1907 | Perl_croak(aTHX_ "%s not implemented", PL_op_desc[optype]); |
39398f3f | 1908 | #endif |
bd89102f | 1909 | } |
c2ab57d4 | 1910 | break; |
e5d73d77 | 1911 | #endif |
fe14fcc3 | 1912 | #ifdef HAS_SHM |
79072805 | 1913 | case OP_SHMCTL: |
bee1dbe2 | 1914 | ret = shmctl(id, cmd, (struct shmid_ds *)a); |
c2ab57d4 | 1915 | break; |
e5d73d77 | 1916 | #endif |
c2ab57d4 LW |
1917 | } |
1918 | if (getinfo && ret >= 0) { | |
79072805 LW |
1919 | SvCUR_set(astr, infosize); |
1920 | *SvEND(astr) = '\0'; | |
a0d0e21e | 1921 | SvSETMAGIC(astr); |
c2ab57d4 LW |
1922 | } |
1923 | return ret; | |
1924 | } | |
1925 | ||
79072805 | 1926 | I32 |
864dbfa3 | 1927 | Perl_do_msgsnd(pTHX_ SV **mark, SV **sp) |
c2ab57d4 | 1928 | { |
fe14fcc3 | 1929 | #ifdef HAS_MSG |
79072805 | 1930 | SV *mstr; |
c2ab57d4 | 1931 | char *mbuf; |
79072805 | 1932 | I32 id, msize, flags; |
463ee0b2 | 1933 | STRLEN len; |
c2ab57d4 | 1934 | |
463ee0b2 | 1935 | id = SvIVx(*++mark); |
79072805 | 1936 | mstr = *++mark; |
463ee0b2 LW |
1937 | flags = SvIVx(*++mark); |
1938 | mbuf = SvPV(mstr, len); | |
1939 | if ((msize = len - sizeof(long)) < 0) | |
cea2e8a9 | 1940 | Perl_croak(aTHX_ "Arg too short for msgsnd"); |
748a9306 | 1941 | SETERRNO(0,0); |
bee1dbe2 | 1942 | return msgsnd(id, (struct msgbuf *)mbuf, msize, flags); |
e5d73d77 | 1943 | #else |
cea2e8a9 | 1944 | Perl_croak(aTHX_ "msgsnd not implemented"); |
e5d73d77 | 1945 | #endif |
c2ab57d4 LW |
1946 | } |
1947 | ||
79072805 | 1948 | I32 |
864dbfa3 | 1949 | Perl_do_msgrcv(pTHX_ SV **mark, SV **sp) |
c2ab57d4 | 1950 | { |
fe14fcc3 | 1951 | #ifdef HAS_MSG |
79072805 | 1952 | SV *mstr; |
c2ab57d4 LW |
1953 | char *mbuf; |
1954 | long mtype; | |
79072805 | 1955 | I32 id, msize, flags, ret; |
463ee0b2 | 1956 | STRLEN len; |
79072805 | 1957 | |
463ee0b2 | 1958 | id = SvIVx(*++mark); |
79072805 | 1959 | mstr = *++mark; |
c2e66d9e GS |
1960 | /* suppress warning when reading into undef var --jhi */ |
1961 | if (! SvOK(mstr)) | |
1962 | sv_setpvn(mstr, "", 0); | |
463ee0b2 LW |
1963 | msize = SvIVx(*++mark); |
1964 | mtype = (long)SvIVx(*++mark); | |
1965 | flags = SvIVx(*++mark); | |
a0d0e21e LW |
1966 | SvPV_force(mstr, len); |
1967 | mbuf = SvGROW(mstr, sizeof(long)+msize+1); | |
a1d180c4 | 1968 | |
748a9306 | 1969 | SETERRNO(0,0); |
bee1dbe2 | 1970 | ret = msgrcv(id, (struct msgbuf *)mbuf, msize, mtype, flags); |
c2ab57d4 | 1971 | if (ret >= 0) { |
79072805 LW |
1972 | SvCUR_set(mstr, sizeof(long)+ret); |
1973 | *SvEND(mstr) = '\0'; | |
41d6edb2 JH |
1974 | #ifndef INCOMPLETE_TAINTS |
1975 | /* who knows who has been playing with this message? */ | |
1976 | SvTAINTED_on(mstr); | |
1977 | #endif | |
c2ab57d4 LW |
1978 | } |
1979 | return ret; | |
e5d73d77 | 1980 | #else |
cea2e8a9 | 1981 | Perl_croak(aTHX_ "msgrcv not implemented"); |
e5d73d77 | 1982 | #endif |
c2ab57d4 LW |
1983 | } |
1984 | ||
79072805 | 1985 | I32 |
864dbfa3 | 1986 | Perl_do_semop(pTHX_ SV **mark, SV **sp) |
c2ab57d4 | 1987 | { |
fe14fcc3 | 1988 | #ifdef HAS_SEM |
79072805 | 1989 | SV *opstr; |
c2ab57d4 | 1990 | char *opbuf; |
463ee0b2 LW |
1991 | I32 id; |
1992 | STRLEN opsize; | |
c2ab57d4 | 1993 | |
463ee0b2 | 1994 | id = SvIVx(*++mark); |
79072805 | 1995 | opstr = *++mark; |
463ee0b2 | 1996 | opbuf = SvPV(opstr, opsize); |
248ff010 NC |
1997 | if (opsize < 3 * SHORTSIZE |
1998 | || (opsize % (3 * SHORTSIZE))) { | |
748a9306 | 1999 | SETERRNO(EINVAL,LIB$_INVARG); |
c2ab57d4 LW |
2000 | return -1; |
2001 | } | |
748a9306 | 2002 | SETERRNO(0,0); |
248ff010 NC |
2003 | /* We can't assume that sizeof(struct sembuf) == 3 * sizeof(short). */ |
2004 | { | |
2005 | int nsops = opsize / (3 * sizeof (short)); | |
2006 | int i = nsops; | |
2007 | short *ops = (short *) opbuf; | |
2008 | short *o = ops; | |
2009 | struct sembuf *temps, *t; | |
2010 | I32 result; | |
2011 | ||
2012 | New (0, temps, nsops, struct sembuf); | |
2013 | t = temps; | |
2014 | while (i--) { | |
2015 | t->sem_num = *o++; | |
2016 | t->sem_op = *o++; | |
2017 | t->sem_flg = *o++; | |
2018 | t++; | |
2019 | } | |
2020 | result = semop(id, temps, nsops); | |
2021 | t = temps; | |
2022 | o = ops; | |
2023 | i = nsops; | |
2024 | while (i--) { | |
2025 | *o++ = t->sem_num; | |
2026 | *o++ = t->sem_op; | |
2027 | *o++ = t->sem_flg; | |
2028 | t++; | |
2029 | } | |
2030 | Safefree(temps); | |
2031 | return result; | |
2032 | } | |
e5d73d77 | 2033 | #else |
cea2e8a9 | 2034 | Perl_croak(aTHX_ "semop not implemented"); |
e5d73d77 | 2035 | #endif |
c2ab57d4 LW |
2036 | } |
2037 | ||
79072805 | 2038 | I32 |
864dbfa3 | 2039 | Perl_do_shmio(pTHX_ I32 optype, SV **mark, SV **sp) |
c2ab57d4 | 2040 | { |
fe14fcc3 | 2041 | #ifdef HAS_SHM |
79072805 | 2042 | SV *mstr; |
c2ab57d4 | 2043 | char *mbuf, *shm; |
79072805 | 2044 | I32 id, mpos, msize; |
463ee0b2 | 2045 | STRLEN len; |
c2ab57d4 | 2046 | struct shmid_ds shmds; |
c2ab57d4 | 2047 | |
463ee0b2 | 2048 | id = SvIVx(*++mark); |
79072805 | 2049 | mstr = *++mark; |
463ee0b2 LW |
2050 | mpos = SvIVx(*++mark); |
2051 | msize = SvIVx(*++mark); | |
748a9306 | 2052 | SETERRNO(0,0); |
c2ab57d4 LW |
2053 | if (shmctl(id, IPC_STAT, &shmds) == -1) |
2054 | return -1; | |
2055 | if (mpos < 0 || msize < 0 || mpos + msize > shmds.shm_segsz) { | |
748a9306 | 2056 | SETERRNO(EFAULT,SS$_ACCVIO); /* can't do as caller requested */ |
c2ab57d4 LW |
2057 | return -1; |
2058 | } | |
8ac85365 | 2059 | shm = (char *)shmat(id, (char*)NULL, (optype == OP_SHMREAD) ? SHM_RDONLY : 0); |
c2ab57d4 LW |
2060 | if (shm == (char *)-1) /* I hate System V IPC, I really do */ |
2061 | return -1; | |
79072805 | 2062 | if (optype == OP_SHMREAD) { |
9f538c04 GS |
2063 | /* suppress warning when reading into undef var (tchrist 3/Mar/00) */ |
2064 | if (! SvOK(mstr)) | |
2065 | sv_setpvn(mstr, "", 0); | |
a0d0e21e LW |
2066 | SvPV_force(mstr, len); |
2067 | mbuf = SvGROW(mstr, msize+1); | |
2068 | ||
bee1dbe2 | 2069 | Copy(shm + mpos, mbuf, msize, char); |
79072805 LW |
2070 | SvCUR_set(mstr, msize); |
2071 | *SvEND(mstr) = '\0'; | |
a0d0e21e | 2072 | SvSETMAGIC(mstr); |
d929ce6f JH |
2073 | #ifndef INCOMPLETE_TAINTS |
2074 | /* who knows who has been playing with this shared memory? */ | |
2075 | SvTAINTED_on(mstr); | |
2076 | #endif | |
c2ab57d4 LW |
2077 | } |
2078 | else { | |
79072805 | 2079 | I32 n; |
c2ab57d4 | 2080 | |
a0d0e21e | 2081 | mbuf = SvPV(mstr, len); |
463ee0b2 | 2082 | if ((n = len) > msize) |
c2ab57d4 | 2083 | n = msize; |
bee1dbe2 | 2084 | Copy(mbuf, shm + mpos, n, char); |
c2ab57d4 | 2085 | if (n < msize) |
bee1dbe2 | 2086 | memzero(shm + mpos + n, msize - n); |
c2ab57d4 LW |
2087 | } |
2088 | return shmdt(shm); | |
e5d73d77 | 2089 | #else |
cea2e8a9 | 2090 | Perl_croak(aTHX_ "shm I/O not implemented"); |
e5d73d77 | 2091 | #endif |
c2ab57d4 LW |
2092 | } |
2093 | ||
fe14fcc3 | 2094 | #endif /* SYSV IPC */ |
4e35701f | 2095 | |
0d44d22b NC |
2096 | /* |
2097 | =for apidoc start_glob | |
2098 | ||
2099 | Function called by C<do_readline> to spawn a glob (or do the glob inside | |
2100 | perl on VMS). This code used to be inline, but now perl uses C<File::Glob> | |
2101 | this glob starter is only used by miniperl during the build proccess. | |
2102 | Moving it away shrinks pp_hot.c; shrinking pp_hot.c helps speed perl up. | |
fab3f3a7 | 2103 | |
0d44d22b NC |
2104 | =cut |
2105 | */ | |
2106 | ||
2107 | PerlIO * | |
2108 | Perl_start_glob (pTHX_ SV *tmpglob, IO *io) | |
2109 | { | |
2110 | SV *tmpcmd = NEWSV(55, 0); | |
2111 | PerlIO *fp; | |
2112 | ENTER; | |
2113 | SAVEFREESV(tmpcmd); | |
2114 | #ifdef VMS /* expand the wildcards right here, rather than opening a pipe, */ | |
2115 | /* since spawning off a process is a real performance hit */ | |
2116 | { | |
2117 | #include <descrip.h> | |
2118 | #include <lib$routines.h> | |
2119 | #include <nam.h> | |
2120 | #include <rmsdef.h> | |
2121 | char rslt[NAM$C_MAXRSS+1+sizeof(unsigned short int)] = {'\0','\0'}; | |
2122 | char vmsspec[NAM$C_MAXRSS+1]; | |
2123 | char *rstr = rslt + sizeof(unsigned short int), *begin, *end, *cp; | |
0d44d22b NC |
2124 | $DESCRIPTOR(dfltdsc,"SYS$DISK:[]*.*;"); |
2125 | PerlIO *tmpfp; | |
2126 | STRLEN i; | |
2127 | struct dsc$descriptor_s wilddsc | |
2128 | = {0, DSC$K_DTYPE_T, DSC$K_CLASS_S, 0}; | |
2129 | struct dsc$descriptor_vs rsdsc | |
2130 | = {sizeof rslt, DSC$K_DTYPE_VT, DSC$K_CLASS_VS, rslt}; | |
2131 | unsigned long int cxt = 0, sts = 0, ok = 1, hasdir = 0, hasver = 0, isunix = 0; | |
2132 | ||
2133 | /* We could find out if there's an explicit dev/dir or version | |
2134 | by peeking into lib$find_file's internal context at | |
2135 | ((struct NAM *)((struct FAB *)cxt)->fab$l_nam)->nam$l_fnb | |
2136 | but that's unsupported, so I don't want to do it now and | |
2137 | have it bite someone in the future. */ | |
0d44d22b NC |
2138 | cp = SvPV(tmpglob,i); |
2139 | for (; i; i--) { | |
2140 | if (cp[i] == ';') hasver = 1; | |
2141 | if (cp[i] == '.') { | |
2142 | if (sts) hasver = 1; | |
2143 | else sts = 1; | |
2144 | } | |
2145 | if (cp[i] == '/') { | |
2146 | hasdir = isunix = 1; | |
2147 | break; | |
2148 | } | |
2149 | if (cp[i] == ']' || cp[i] == '>' || cp[i] == ':') { | |
2150 | hasdir = 1; | |
2151 | break; | |
2152 | } | |
2153 | } | |
a15cef0c | 2154 | if ((tmpfp = PerlIO_tmpfile()) != NULL) { |
0d44d22b NC |
2155 | Stat_t st; |
2156 | if (!PerlLIO_stat(SvPVX(tmpglob),&st) && S_ISDIR(st.st_mode)) | |
2157 | ok = ((wilddsc.dsc$a_pointer = tovmspath(SvPVX(tmpglob),vmsspec)) != NULL); | |
2158 | else ok = ((wilddsc.dsc$a_pointer = tovmsspec(SvPVX(tmpglob),vmsspec)) != NULL); | |
2159 | if (ok) wilddsc.dsc$w_length = (unsigned short int) strlen(wilddsc.dsc$a_pointer); | |
a3987cb8 JH |
2160 | for (cp=wilddsc.dsc$a_pointer; ok && cp && *cp; cp++) |
2161 | if (*cp == '?') *cp = '%'; /* VMS style single-char wildcard */ | |
0d44d22b NC |
2162 | while (ok && ((sts = lib$find_file(&wilddsc,&rsdsc,&cxt, |
2163 | &dfltdsc,NULL,NULL,NULL))&1)) { | |
2164 | end = rstr + (unsigned long int) *rslt; | |
2165 | if (!hasver) while (*end != ';') end--; | |
2166 | *(end++) = '\n'; *end = '\0'; | |
2167 | for (cp = rstr; *cp; cp++) *cp = _tolower(*cp); | |
2168 | if (hasdir) { | |
2169 | if (isunix) trim_unixpath(rstr,SvPVX(tmpglob),1); | |
2170 | begin = rstr; | |
2171 | } | |
2172 | else { | |
2173 | begin = end; | |
2174 | while (*(--begin) != ']' && *begin != '>') ; | |
2175 | ++begin; | |
2176 | } | |
2177 | ok = (PerlIO_puts(tmpfp,begin) != EOF); | |
2178 | } | |
2179 | if (cxt) (void)lib$find_file_end(&cxt); | |
2180 | if (ok && sts != RMS$_NMF && | |
2181 | sts != RMS$_DNF && sts != RMS$_FNF) ok = 0; | |
2182 | if (!ok) { | |
2183 | if (!(sts & 1)) { | |
2184 | SETERRNO((sts == RMS$_SYN ? EINVAL : EVMSERR),sts); | |
2185 | } | |
2186 | PerlIO_close(tmpfp); | |
2187 | fp = NULL; | |
2188 | } | |
2189 | else { | |
2190 | PerlIO_rewind(tmpfp); | |
2191 | IoTYPE(io) = IoTYPE_RDONLY; | |
2192 | IoIFP(io) = fp = tmpfp; | |
2193 | IoFLAGS(io) &= ~IOf_UNTAINT; /* maybe redundant */ | |
2194 | } | |
2195 | } | |
2196 | } | |
2197 | #else /* !VMS */ | |
2198 | #ifdef MACOS_TRADITIONAL | |
2199 | sv_setpv(tmpcmd, "glob "); | |
2200 | sv_catsv(tmpcmd, tmpglob); | |
2201 | sv_catpv(tmpcmd, " |"); | |
2202 | #else | |
2203 | #ifdef DOSISH | |
2204 | #ifdef OS2 | |
2205 | sv_setpv(tmpcmd, "for a in "); | |
2206 | sv_catsv(tmpcmd, tmpglob); | |
2207 | sv_catpv(tmpcmd, "; do echo \"$a\\0\\c\"; done |"); | |
2208 | #else | |
2209 | #ifdef DJGPP | |
2210 | sv_setpv(tmpcmd, "/dev/dosglob/"); /* File System Extension */ | |
2211 | sv_catsv(tmpcmd, tmpglob); | |
2212 | #else | |
2213 | sv_setpv(tmpcmd, "perlglob "); | |
2214 | sv_catsv(tmpcmd, tmpglob); | |
2215 | sv_catpv(tmpcmd, " |"); | |
2216 | #endif /* !DJGPP */ | |
2217 | #endif /* !OS2 */ | |
2218 | #else /* !DOSISH */ | |
2219 | #if defined(CSH) | |
2220 | sv_setpvn(tmpcmd, PL_cshname, PL_cshlen); | |
2221 | sv_catpv(tmpcmd, " -cf 'set nonomatch; glob "); | |
2222 | sv_catsv(tmpcmd, tmpglob); | |
2223 | sv_catpv(tmpcmd, "' 2>/dev/null |"); | |
2224 | #else | |
2225 | sv_setpv(tmpcmd, "echo "); | |
2226 | sv_catsv(tmpcmd, tmpglob); | |
2227 | #if 'z' - 'a' == 25 | |
2228 | sv_catpv(tmpcmd, "|tr -s ' \t\f\r' '\\012\\012\\012\\012'|"); | |
2229 | #else | |
2230 | sv_catpv(tmpcmd, "|tr -s ' \t\f\r' '\\n\\n\\n\\n'|"); | |
2231 | #endif | |
2232 | #endif /* !CSH */ | |
2233 | #endif /* !DOSISH */ | |
2234 | #endif /* MACOS_TRADITIONAL */ | |
2235 | (void)do_open(PL_last_in_gv, SvPVX(tmpcmd), SvCUR(tmpcmd), | |
2236 | FALSE, O_RDONLY, 0, Nullfp); | |
2237 | fp = IoIFP(io); | |
2238 | #endif /* !VMS */ | |
2239 | LEAVE; | |
2240 | return fp; | |
2241 | } |