Commit | Line | Data |
a0d0e21e |
1 | /* doio.c |
a687059c |
2 | * |
bc89e66f |
3 | * Copyright (c) 1991-2001, Larry Wall |
a687059c |
4 | * |
6e21c824 |
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 |
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 |
15 | */ |
16 | |
17 | #include "EXTERN.h" |
864dbfa3 |
18 | #define PERL_IN_DOIO_C |
a687059c |
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 |
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 |
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 |
58 | return do_openn(gv, name, len, as_raw, rawmode, rawperm, |
59 | supplied_fp, (SV **) NULL, 0); |
6170680b |
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 |
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 |
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 |
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 |
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 |
107 | if (IoTYPE(io) == IoTYPE_STD) { |
108 | /* This is a clone of one of STD* handles */ |
c2ab57d4 |
109 | result = 0; |
ee518936 |
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 |
116 | savefd = fd; |
117 | result = 0; |
6e21c824 |
118 | } |
50952442 |
119 | else if (IoTYPE(io) == IoTYPE_PIPE) |
3028581b |
120 | result = PerlProc_pclose(IoIFP(io)); |
8990e307 |
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 |
125 | } |
126 | else |
760ac839 |
127 | result = PerlIO_close(IoIFP(io)); |
a687059c |
128 | } |
a687059c |
129 | else |
760ac839 |
130 | result = PerlIO_close(IoIFP(io)); |
ee518936 |
131 | if (result == EOF && fd > PL_maxsysfd) { |
132 | /* Why is this not Perl_warn*() call ? */ |
bf49b057 |
133 | PerlIO_printf(Perl_error_log, |
6170680b |
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 |
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 |
159 | #endif |
160 | |
06c7082d |
161 | IoTYPE(io) = PerlIO_intmode2str(rawmode, &mode[ix], &writing); |
ee518936 |
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 |
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 |
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 |
186 | len = (I32)l; |
187 | name = savepvn(name, len); |
188 | SAVEFREEPV(name); |
b931b1d9 |
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 |
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 |
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 |
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 |
236 | if (out_raw) |
237 | strcat(mode, "b"); |
238 | else if (out_crlf) |
239 | strcat(mode, "t"); |
4a7d1889 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
412 | } |
413 | else { |
b931b1d9 |
414 | *--tend = '\0'; |
415 | while (tend > type && isSPACE(tend[-1])) |
416 | *--tend = '\0'; |
6170680b |
417 | /*SUPPRESS 530*/ |
418 | for (; isSPACE(*type); type++) ; |
419 | name = type; |
b931b1d9 |
420 | len = tend-type; |
6170680b |
421 | } |
4a7d1889 |
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 |
426 | errno = EPIPE; |
427 | goto say_false; |
428 | } |
6170680b |
429 | if (strNE(name,"-") || num_svs) |
79072805 |
430 | TAINT_ENV(); |
431 | TAINT_PROPER("piped open"); |
a1d180c4 |
432 | mode[0] = 'r'; |
433 | if (in_raw) |
434 | strcat(mode, "b"); |
435 | else if (in_crlf) |
436 | strcat(mode, "t"); |
4a7d1889 |
437 | if (num_svs > 1) { |
438 | fp = PerlProc_popen_list(mode,num_svs,svp); |
439 | } |
e620cd72 |
440 | else { |
4a7d1889 |
441 | fp = PerlProc_popen(name,mode); |
442 | } |
50952442 |
443 | IoTYPE(io) = IoTYPE_PIPE; |
a687059c |
444 | } |
445 | else { |
6170680b |
446 | if (num_svs) |
447 | goto unknown_desr; |
448 | name = type; |
50952442 |
449 | IoTYPE(io) = IoTYPE_RDONLY; |
99b89507 |
450 | /*SUPPRESS 530*/ |
451 | for (; isSPACE(*name); name++) ; |
88b61e10 |
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 |
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 |
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 |
477 | |
478 | if (ckWARN(WARN_IO)) { |
479 | if ((IoTYPE(io) == IoTYPE_RDONLY) && |
480 | (fp == PerlIO_stdout() || fp == PerlIO_stderr())) { |
c5e2d979 |
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 |
486 | Perl_warner(aTHX_ WARN_IO, |
487 | "Filehandle STDIN opened only for output"); |
a00b5bd3 |
488 | } |
489 | } |
490 | |
f6c77cf1 |
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 |
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 |
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 |
510 | char tmpbuf[256]; |
511 | Sock_size_t buflen = sizeof tmpbuf; |
3028581b |
512 | if (PerlSock_getsockname(PerlIO_fileno(fp), (struct sockaddr *)tmpbuf, |
d574b85e |
513 | &buflen) >= 0 |
514 | || errno != ENOTSOCK) |
50952442 |
515 | IoTYPE(io) = IoTYPE_SOCKET; /* some OS's return 0 on fstat()ed socket */ |
99b89507 |
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 |
529 | } |
530 | } |
6e60e805 |
531 | if (savefd != fd) { |
d8a83dd3 |
532 | Pid_t pid; |
79072805 |
533 | SV *sv; |
bd4a5668 |
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 |
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 |
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 |
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 |
556 | if (!was_fdopen) |
557 | PerlIO_close(fp); |
6e21c824 |
558 | } |
559 | fp = saveifp; |
760ac839 |
560 | PerlIO_clearerr(fp); |
6e21c824 |
561 | } |
a0d0e21e |
562 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
a8710ca1 |
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 |
582 | } |
583 | else |
8990e307 |
584 | IoOFP(io) = fp; |
bf38876a |
585 | } |
a687059c |
586 | return TRUE; |
6e21c824 |
587 | |
588 | say_false: |
8990e307 |
589 | IoIFP(io) = saveifp; |
590 | IoOFP(io) = saveofp; |
591 | IoTYPE(io) = savetype; |
6e21c824 |
592 | return FALSE; |
a687059c |
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 |
600 | int filedev; |
601 | int fileino; |
99b89507 |
602 | #endif |
761237fe |
603 | Uid_t fileuid; |
604 | Gid_t filegid; |
18708f5a |
605 | IO *io = GvIOp(gv); |
fe14fcc3 |
606 | |
3280af22 |
607 | if (!PL_argvoutgv) |
608 | PL_argvoutgv = gv_fetchpv("ARGVOUT",TRUE,SVt_PVIO); |
18708f5a |
609 | if (io && (IoFLAGS(io) & IOf_ARGV) && (IoFLAGS(io) & IOf_START)) { |
610 | IoFLAGS(io) &= ~IOf_START; |
7a1c5554 |
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 |
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 |
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 |
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 |
641 | filedev = PL_statbuf.st_dev; |
642 | fileino = PL_statbuf.st_ino; |
99b89507 |
643 | #endif |
3280af22 |
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 |
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 |
653 | continue; |
654 | } |
3280af22 |
655 | if (*PL_inplace) { |
656 | char *star = strchr(PL_inplace, '*'); |
2d259d92 |
657 | if (star) { |
3280af22 |
658 | char *begin = PL_inplace; |
2d259d92 |
659 | sv_setpvn(sv, "", 0); |
660 | do { |
661 | sv_catpvn(sv, begin, star - begin); |
3280af22 |
662 | sv_catpvn(sv, PL_oldname, oldlen); |
2d259d92 |
663 | begin = ++star; |
664 | } while ((star = strchr(begin, '*'))); |
3d66d7bb |
665 | if (*begin) |
666 | sv_catpv(sv,begin); |
2d259d92 |
667 | } |
668 | else { |
3280af22 |
669 | sv_catpv(sv,PL_inplace); |
2d259d92 |
670 | } |
c623bd54 |
671 | #ifndef FLEXFILENAMES |
b28d0864 |
672 | if (PerlLIO_stat(SvPVX(sv),&PL_statbuf) >= 0 |
673 | && PL_statbuf.st_dev == filedev |
674 | && PL_statbuf.st_ino == fileino |
39e571d4 |
675 | #ifdef DJGPP |
676 | || (_djstat_fail_bits & _STFAIL_TRUENAME)!=0 |
677 | #endif |
f248d071 |
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 |
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 |
693 | "Can't rename %s to %s: %s, skipping file", |
694 | PL_oldname, SvPVX(sv), Strerror(errno) ); |
79072805 |
695 | do_close(gv,FALSE); |
c623bd54 |
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 |
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 |
712 | continue; |
713 | } |
b28d0864 |
714 | (void)UNLINK(PL_oldname); |
a687059c |
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 |
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 |
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 |
732 | } |
733 | |
3280af22 |
734 | sv_setpvn(sv,">",!PL_inplace); |
735 | sv_catpvn(sv,PL_oldname,oldlen); |
748a9306 |
736 | SETERRNO(0,0); /* in case sprintf set errno */ |
4119ab01 |
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 |
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 |
749 | continue; |
750 | } |
3280af22 |
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 |
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 |
776 | int eno = errno; |
777 | if (PerlLIO_stat(PL_oldname, &PL_statbuf) >= 0 |
778 | && !S_ISREG(PL_statbuf.st_mode)) |
779 | { |
4d61ec05 |
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 |
787 | } |
788 | } |
a687059c |
789 | } |
18708f5a |
790 | if (io && (IoFLAGS(io) & IOf_ARGV)) |
791 | IoFLAGS(io) |= IOf_START; |
3280af22 |
792 | if (PL_inplace) { |
793 | (void)do_close(PL_argvoutgv,FALSE); |
7a1c5554 |
794 | if (io && (IoFLAGS(io) & IOf_ARGV) |
795 | && PL_argvout_stack && AvFILLp(PL_argvout_stack) >= 0) |
796 | { |
18708f5a |
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 |
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 |
811 | register IO *rstio; |
812 | register IO *wstio; |
afd9f252 |
813 | int fd[2]; |
814 | |
79072805 |
815 | if (!rgv) |
afd9f252 |
816 | goto badexit; |
79072805 |
817 | if (!wgv) |
afd9f252 |
818 | goto badexit; |
819 | |
a0d0e21e |
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 |
830 | IoIFP(rstio) = PerlIO_fdopen(fd[0], "r"); |
831 | IoOFP(wstio) = PerlIO_fdopen(fd[1], "w"); |
8990e307 |
832 | IoIFP(wstio) = IoOFP(wstio); |
50952442 |
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 |
840 | goto badexit; |
841 | } |
afd9f252 |
842 | |
3280af22 |
843 | sv_setsv(sv,&PL_sv_yes); |
afd9f252 |
844 | return; |
845 | |
846 | badexit: |
3280af22 |
847 | sv_setsv(sv,&PL_sv_undef); |
afd9f252 |
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 |
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 |
862 | if (not_implicit) |
863 | SETERRNO(EBADF,SS$_IVCHAN); |
c2ab57d4 |
864 | return FALSE; |
99b89507 |
865 | } |
79072805 |
866 | io = GvIO(gv); |
867 | if (!io) { /* never opened */ |
1d2dff63 |
868 | if (not_implicit) { |
2dd78f96 |
869 | if (ckWARN(WARN_UNOPENED)) /* no check for closed here */ |
870 | report_evil_fh(gv, io, PL_op->op_type); |
1d2dff63 |
871 | SETERRNO(EBADF,SS$_IVCHAN); |
872 | } |
a687059c |
873 | return FALSE; |
874 | } |
f2b5be74 |
875 | retval = io_close(io, not_implicit); |
517844ec |
876 | if (not_implicit) { |
1193dd27 |
877 | IoLINES(io) = 0; |
878 | IoPAGE(io) = 0; |
879 | IoLINES_LEFT(io) = IoPAGE_LEN(io); |
880 | } |
50952442 |
881 | IoTYPE(io) = IoTYPE_CLOSED; |
1193dd27 |
882 | return retval; |
883 | } |
884 | |
885 | bool |
f2b5be74 |
886 | Perl_io_close(pTHX_ IO *io, bool not_implicit) |
1193dd27 |
887 | { |
888 | bool retval = FALSE; |
889 | int status; |
890 | |
8990e307 |
891 | if (IoIFP(io)) { |
50952442 |
892 | if (IoTYPE(io) == IoTYPE_PIPE) { |
3028581b |
893 | status = PerlProc_pclose(IoIFP(io)); |
f2b5be74 |
894 | if (not_implicit) { |
895 | STATUS_NATIVE_SET(status); |
896 | retval = (STATUS_POSIX == 0); |
897 | } |
898 | else { |
899 | retval = (status != -1); |
900 | } |
a687059c |
901 | } |
50952442 |
902 | else if (IoTYPE(io) == IoTYPE_STD) |
a687059c |
903 | retval = TRUE; |
904 | else { |
8990e307 |
905 | if (IoOFP(io) && IoOFP(io) != IoIFP(io)) { /* a socket */ |
760ac839 |
906 | retval = (PerlIO_close(IoOFP(io)) != EOF); |
907 | PerlIO_close(IoIFP(io)); /* clear stdio, fd already closed */ |
c2ab57d4 |
908 | } |
909 | else |
760ac839 |
910 | retval = (PerlIO_close(IoIFP(io)) != EOF); |
a687059c |
911 | } |
8990e307 |
912 | IoOFP(io) = IoIFP(io) = Nullfp; |
79072805 |
913 | } |
f2b5be74 |
914 | else if (not_implicit) { |
20408e3c |
915 | SETERRNO(EBADF,SS$_IVCHAN); |
916 | } |
1193dd27 |
917 | |
a687059c |
918 | return retval; |
919 | } |
920 | |
921 | bool |
864dbfa3 |
922 | Perl_do_eof(pTHX_ GV *gv) |
a687059c |
923 | { |
79072805 |
924 | register IO *io; |
a687059c |
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 |
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 |
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 |
958 | return FALSE; |
959 | } |
fab3f3a7 |
960 | |
760ac839 |
961 | if (PerlIO_has_cntptr(IoIFP(io)) && PerlIO_canset_cnt(IoIFP(io))) { |
a20bf0c3 |
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 |
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 |
988 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) |
989 | report_evil_fh(gv, io, PL_op->op_type); |
748a9306 |
990 | SETERRNO(EBADF,RMS$_IFI); |
5ff3f7a4 |
991 | return (Off_t)-1; |
a687059c |
992 | } |
993 | |
994 | bool |
864dbfa3 |
995 | Perl_do_seek(pTHX_ GV *gv, Off_t pos, int whence) |
a687059c |
996 | { |
9c5ffd7c |
997 | register IO *io = 0; |
137443ea |
998 | register PerlIO *fp; |
a687059c |
999 | |
137443ea |
1000 | if (gv && (io = GvIO(gv)) && (fp = IoIFP(io))) { |
bee1dbe2 |
1001 | #ifdef ULTRIX_STDIO_BOTCH |
137443ea |
1002 | if (PerlIO_eof(fp)) |
1003 | (void)PerlIO_seek(fp, 0L, 2); /* ultrix 1.2 workaround */ |
bee1dbe2 |
1004 | #endif |
8903cb82 |
1005 | return PerlIO_seek(fp, pos, whence) >= 0; |
137443ea |
1006 | } |
411caa50 |
1007 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) |
1008 | report_evil_fh(gv, io, PL_op->op_type); |
748a9306 |
1009 | SETERRNO(EBADF,RMS$_IFI); |
a687059c |
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 |
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 |
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 |
1073 | #else |
1074 | s = end; |
1075 | #endif |
16fe6d59 |
1076 | } |
1077 | } |
1078 | } |
1079 | return mode; |
1080 | } |
1081 | |
1082 | int |
1083 | Perl_do_binmode(pTHX_ PerlIO *fp, int iotype, int mode) |
6ff81951 |
1084 | { |
60382766 |
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 |
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 |
1100 | struct flock fl; |
1101 | struct stat filebuf; |
1102 | |
3028581b |
1103 | if (PerlLIO_fstat(fd, &filebuf) < 0) |
6eb13c3b |
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 |
1111 | return -1; |
1112 | |
1113 | /* write a "0" byte */ |
1114 | |
3028581b |
1115 | if ((PerlLIO_write(fd, "", 1)) != 1) |
6eb13c3b |
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 |
1125 | |
1126 | /* |
a0d0e21e |
1127 | * This relies on the UNDOCUMENTED F_FREESP argument to |
6eb13c3b |
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 |
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 |
1145 | { |
1146 | register char *tmps; |
463ee0b2 |
1147 | STRLEN len; |
a687059c |
1148 | |
79072805 |
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 |
1165 | switch (SvTYPE(sv)) { |
1166 | case SVt_NULL: |
411caa50 |
1167 | if (ckWARN(WARN_UNINITIALIZED)) |
1168 | report_uninit(); |
ff8e2863 |
1169 | return TRUE; |
79072805 |
1170 | case SVt_IV: |
a0d0e21e |
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 |
1179 | } |
1180 | /* FALL THROUGH */ |
79072805 |
1181 | default: |
7d59b7e4 |
1182 | if (PerlIO_isutf8(fp)) { |
f9a63242 |
1183 | if (!SvUTF8(sv)) |
1184 | sv_utf8_upgrade(sv = sv_mortalcopy(sv)); |
7d59b7e4 |
1185 | } |
ae798467 |
1186 | else if (DO_UTF8(sv)) { |
2da16753 |
1187 | if (!sv_utf8_downgrade((sv = sv_mortalcopy(sv)), TRUE) |
1188 | && ckWARN(WARN_UTF8)) |
1189 | { |
ae798467 |
1190 | Perl_warner(aTHX_ WARN_UTF8, "Wide character in print"); |
1191 | } |
1192 | } |
f9a63242 |
1193 | tmps = SvPV(sv, len); |
79072805 |
1194 | break; |
ff8e2863 |
1195 | } |
94e4c244 |
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 |
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 |
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 |
1221 | sv_setpv(PL_statname,""); |
1222 | PL_laststype = OP_STAT; |
1223 | return (PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache)); |
a687059c |
1224 | } |
1225 | else { |
2dd78f96 |
1226 | if (gv == PL_defgv) |
3280af22 |
1227 | return PL_laststatval; |
2dd78f96 |
1228 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) |
1229 | report_evil_fh(gv, io, PL_op->op_type); |
3280af22 |
1230 | PL_statgv = Nullgv; |
1231 | sv_setpv(PL_statname,""); |
1232 | return (PL_laststatval = -1); |
a687059c |
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 |
1242 | goto do_fstat; |
1243 | } |
1244 | else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) { |
2dd78f96 |
1245 | gv = (GV*)SvRV(sv); |
748a9306 |
1246 | goto do_fstat; |
1247 | } |
1248 | |
2d8e6c8d |
1249 | s = SvPV(sv, n_a); |
3280af22 |
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 |
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 |
1276 | PL_laststype = OP_LSTAT; |
1277 | PL_statgv = Nullgv; |
79072805 |
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 |
1285 | } |
1286 | |
a687059c |
1287 | bool |
864dbfa3 |
1288 | Perl_do_aexec(pTHX_ SV *really, register SV **mark, register SV **sp) |
a687059c |
1289 | { |
d5a9bfb0 |
1290 | return do_aexec5(really, mark, sp, 0, 0); |
1291 | } |
1292 | |
1293 | bool |
2aa1486d |
1294 | Perl_do_aexec5(pTHX_ SV *really, register SV **mark, register SV **sp, |
1295 | int fd, int do_report) |
d5a9bfb0 |
1296 | { |
cd39f2b6 |
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 |
1305 | New(401,PL_Argv, sp - mark + 1, char*); |
1306 | a = PL_Argv; |
79072805 |
1307 | while (++mark <= sp) { |
1308 | if (*mark) |
2d8e6c8d |
1309 | *a++ = SvPVx(*mark, n_a); |
a687059c |
1310 | else |
1311 | *a++ = ""; |
1312 | } |
1313 | *a = Nullch; |
91b2752f |
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 |
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 |
1335 | return FALSE; |
1336 | } |
1337 | |
fe14fcc3 |
1338 | void |
864dbfa3 |
1339 | Perl_do_execfree(pTHX) |
ff8e2863 |
1340 | { |
3280af22 |
1341 | if (PL_Argv) { |
1342 | Safefree(PL_Argv); |
1343 | PL_Argv = Null(char **); |
ff8e2863 |
1344 | } |
3280af22 |
1345 | if (PL_Cmd) { |
1346 | Safefree(PL_Cmd); |
1347 | PL_Cmd = Nullch; |
ff8e2863 |
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 |
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 |
1362 | register char **a; |
1363 | register char *s; |
a687059c |
1364 | |
748a9306 |
1365 | while (*cmd && isSPACE(*cmd)) |
1366 | cmd++; |
1367 | |
a687059c |
1368 | /* save an extra exec if possible */ |
1369 | |
bf38876a |
1370 | #ifdef CSH |
d05c1ba0 |
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 |
1397 | } |
1398 | } |
bf38876a |
1399 | #endif /* CSH */ |
a687059c |
1400 | |
1401 | /* see if there are shell metacharacters in it */ |
1402 | |
748a9306 |
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 |
1410 | if (*s == '=') |
1411 | goto doshell; |
748a9306 |
1412 | |
a687059c |
1413 | for (s = cmd; *s; s++) { |
d05c1ba0 |
1414 | if (*s != ' ' && !isALPHA(*s) && |
1415 | strchr("$&*(){}[]'\";\\|?<>~`\n",*s)) { |
a687059c |
1416 | if (*s == '\n' && !s[1]) { |
1417 | *s = '\0'; |
1418 | break; |
1419 | } |
603a98b0 |
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 |
1436 | return FALSE; |
1437 | } |
1438 | } |
748a9306 |
1439 | |
3280af22 |
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 |
1445 | if (*s) |
1446 | *(a++) = s; |
99b89507 |
1447 | while (*s && !isSPACE(*s)) s++; |
a687059c |
1448 | if (*s) |
1449 | *s++ = '\0'; |
1450 | } |
1451 | *a = Nullch; |
3280af22 |
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 |
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 |
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 |
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 |
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 |
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 |
1499 | } |
1500 | mark = oldmark; |
1501 | } |
a687059c |
1502 | switch (type) { |
79072805 |
1503 | case OP_CHMOD: |
20408e3c |
1504 | what = "chmod"; |
1505 | APPLY_TAINT_PROPER(); |
79072805 |
1506 | if (++mark <= sp) { |
463ee0b2 |
1507 | val = SvIVx(*mark); |
20408e3c |
1508 | APPLY_TAINT_PROPER(); |
1509 | tot = sp - mark; |
79072805 |
1510 | while (++mark <= sp) { |
2d8e6c8d |
1511 | char *name = SvPVx(*mark, n_a); |
20408e3c |
1512 | APPLY_TAINT_PROPER(); |
1513 | if (PerlLIO_chmod(name, val)) |
a687059c |
1514 | tot--; |
1515 | } |
1516 | } |
1517 | break; |
fe14fcc3 |
1518 | #ifdef HAS_CHOWN |
79072805 |
1519 | case OP_CHOWN: |
20408e3c |
1520 | what = "chown"; |
1521 | APPLY_TAINT_PROPER(); |
79072805 |
1522 | if (sp - mark > 2) { |
463ee0b2 |
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 |
1531 | tot--; |
1532 | } |
1533 | } |
1534 | break; |
b1248f16 |
1535 | #endif |
a1d180c4 |
1536 | /* |
dd64f1c3 |
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 |
1544 | what = "kill"; |
1545 | APPLY_TAINT_PROPER(); |
55497cff |
1546 | if (mark == sp) |
1547 | break; |
2d8e6c8d |
1548 | s = SvPVx(*++mark, n_a); |
79072805 |
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 |
1554 | } |
1555 | else |
463ee0b2 |
1556 | val = SvIVx(*mark); |
20408e3c |
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 |
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 |
1602 | } |
1603 | else { |
1604 | while (++mark <= sp) { |
20408e3c |
1605 | I32 proc = SvIVx(*mark); |
1606 | APPLY_TAINT_PROPER(); |
1607 | if (PerlProc_kill(proc, val)) |
79072805 |
1608 | tot--; |
a687059c |
1609 | } |
1610 | } |
1611 | break; |
b1248f16 |
1612 | #endif |
79072805 |
1613 | case OP_UNLINK: |
20408e3c |
1614 | what = "unlink"; |
1615 | APPLY_TAINT_PROPER(); |
79072805 |
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 |
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 |
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 |
1636 | what = "utime"; |
1637 | APPLY_TAINT_PROPER(); |
79072805 |
1638 | if (sp - mark > 2) { |
748a9306 |
1639 | #if defined(I_UTIME) || defined(VMS) |
663a0e37 |
1640 | struct utimbuf utbuf; |
1641 | #else |
a687059c |
1642 | struct { |
dd2821f6 |
1643 | Time_t actime; |
1644 | Time_t modtime; |
a687059c |
1645 | } utbuf; |
663a0e37 |
1646 | #endif |
a687059c |
1647 | |
c6f7b413 |
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 |
1661 | utbuf.actime = (Time_t)SvNVx(accessed); /* time accessed */ |
1662 | utbuf.modtime = (Time_t)SvNVx(modified); /* time modified */ |
517844ec |
1663 | #else |
c6f7b413 |
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 |
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 |
1673 | tot--; |
1674 | } |
a687059c |
1675 | } |
1676 | else |
79072805 |
1677 | tot = 0; |
a687059c |
1678 | break; |
a0d0e21e |
1679 | #endif |
a687059c |
1680 | } |
1681 | return tot; |
20408e3c |
1682 | |
20408e3c |
1683 | #undef APPLY_TAINT_PROPER |
a687059c |
1684 | } |
1685 | |
1686 | /* Do the permissions allow some operation? Assumes statcache already set. */ |
a0d0e21e |
1687 | #ifndef VMS /* VMS' cando is in vms.c */ |
7f4774ae |
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 |
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 |
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 |
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 |
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 |
1733 | return TRUE; /* ok as "group" */ |
1734 | } |
7f4774ae |
1735 | else if (statbufp->st_mode & mode >> 6) |
a687059c |
1736 | return TRUE; /* ok as "other" */ |
1737 | return FALSE; |
55497cff |
1738 | #endif /* ! DOSISH */ |
a687059c |
1739 | } |
a0d0e21e |
1740 | #endif /* ! VMS */ |
a687059c |
1741 | |
d8eceb89 |
1742 | bool |
1743 | Perl_ingroup(pTHX_ Gid_t testgid, Uid_t effective) |
a687059c |
1744 | { |
cd39f2b6 |
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 |
1752 | #ifndef NGROUPS |
1753 | #define NGROUPS 32 |
1754 | #endif |
1755 | { |
a0d0e21e |
1756 | Groups_t gary[NGROUPS]; |
79072805 |
1757 | I32 anum; |
a687059c |
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 |
1777 | key = (key_t)SvNVx(*++mark); |
1778 | n = (optype == OP_MSGGET) ? 0 : SvIVx(*++mark); |
1779 | flags = SvIVx(*++mark); |
748a9306 |
1780 | SETERRNO(0,0); |
c2ab57d4 |
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 |
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 |
1808 | I32 id, n, cmd, infosize, getinfo; |
1809 | I32 ret = -1; |
c2ab57d4 |
1810 | |
463ee0b2 |
1811 | id = SvIVx(*++mark); |
1812 | n = (optype == OP_SEMCTL) ? SvIVx(*++mark) : 0; |
1813 | cmd = SvIVx(*++mark); |
79072805 |
1814 | astr = *++mark; |
c2ab57d4 |
1815 | infosize = 0; |
1816 | getinfo = (cmd == IPC_STAT); |
1817 | |
1818 | switch (optype) |
1819 | { |
fe14fcc3 |
1820 | #ifdef HAS_MSG |
79072805 |
1821 | case OP_MSGCTL: |
c2ab57d4 |
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 |
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 |
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 |
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 |
1847 | if (Semctl(id, 0, IPC_STAT, semun) == -1) |
1848 | return -1; |
6e21c824 |
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 |
1862 | } |
1863 | |
1864 | if (infosize) |
1865 | { |
a0d0e21e |
1866 | STRLEN len; |
c2ab57d4 |
1867 | if (getinfo) |
1868 | { |
a0d0e21e |
1869 | SvPV_force(astr, len); |
1870 | a = SvGROW(astr, infosize+1); |
c2ab57d4 |
1871 | } |
1872 | else |
1873 | { |
463ee0b2 |
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 |
1877 | PL_op_desc[optype], |
1878 | (unsigned long)len, |
1879 | (long)infosize); |
c2ab57d4 |
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 |
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 |
1898 | union semun unsemds; |
1899 | |
e6f0bdd6 |
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 |
1917 | } |
1918 | if (getinfo && ret >= 0) { |
79072805 |
1919 | SvCUR_set(astr, infosize); |
1920 | *SvEND(astr) = '\0'; |
a0d0e21e |
1921 | SvSETMAGIC(astr); |
c2ab57d4 |
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 |
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 |
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 |
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 |
1960 | /* suppress warning when reading into undef var --jhi */ |
1961 | if (! SvOK(mstr)) |
1962 | sv_setpvn(mstr, "", 0); |
463ee0b2 |
1963 | msize = SvIVx(*++mark); |
1964 | mtype = (long)SvIVx(*++mark); |
1965 | flags = SvIVx(*++mark); |
a0d0e21e |
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 |
1972 | SvCUR_set(mstr, sizeof(long)+ret); |
1973 | *SvEND(mstr) = '\0'; |
41d6edb2 |
1974 | #ifndef INCOMPLETE_TAINTS |
1975 | /* who knows who has been playing with this message? */ |
1976 | SvTAINTED_on(mstr); |
1977 | #endif |
c2ab57d4 |
1978 | } |
1979 | return ret; |
e5d73d77 |
1980 | #else |
cea2e8a9 |
1981 | Perl_croak(aTHX_ "msgrcv not implemented"); |
e5d73d77 |
1982 | #endif |
c2ab57d4 |
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 |
1991 | I32 id; |
1992 | STRLEN opsize; |
c2ab57d4 |
1993 | |
463ee0b2 |
1994 | id = SvIVx(*++mark); |
79072805 |
1995 | opstr = *++mark; |
463ee0b2 |
1996 | opbuf = SvPV(opstr, opsize); |
248ff010 |
1997 | if (opsize < 3 * SHORTSIZE |
1998 | || (opsize % (3 * SHORTSIZE))) { |
748a9306 |
1999 | SETERRNO(EINVAL,LIB$_INVARG); |
c2ab57d4 |
2000 | return -1; |
2001 | } |
748a9306 |
2002 | SETERRNO(0,0); |
248ff010 |
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 |
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 |
2050 | mpos = SvIVx(*++mark); |
2051 | msize = SvIVx(*++mark); |
748a9306 |
2052 | SETERRNO(0,0); |
c2ab57d4 |
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 |
2057 | return -1; |
2058 | } |
8ac85365 |
2059 | shm = (char *)shmat(id, (char*)NULL, (optype == OP_SHMREAD) ? SHM_RDONLY : 0); |
c2ab57d4 |
2060 | if (shm == (char *)-1) /* I hate System V IPC, I really do */ |
2061 | return -1; |
79072805 |
2062 | if (optype == OP_SHMREAD) { |
9f538c04 |
2063 | /* suppress warning when reading into undef var (tchrist 3/Mar/00) */ |
2064 | if (! SvOK(mstr)) |
2065 | sv_setpvn(mstr, "", 0); |
a0d0e21e |
2066 | SvPV_force(mstr, len); |
2067 | mbuf = SvGROW(mstr, msize+1); |
2068 | |
bee1dbe2 |
2069 | Copy(shm + mpos, mbuf, msize, char); |
79072805 |
2070 | SvCUR_set(mstr, msize); |
2071 | *SvEND(mstr) = '\0'; |
a0d0e21e |
2072 | SvSETMAGIC(mstr); |
d929ce6f |
2073 | #ifndef INCOMPLETE_TAINTS |
2074 | /* who knows who has been playing with this shared memory? */ |
2075 | SvTAINTED_on(mstr); |
2076 | #endif |
c2ab57d4 |
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 |
2087 | } |
2088 | return shmdt(shm); |
e5d73d77 |
2089 | #else |
cea2e8a9 |
2090 | Perl_croak(aTHX_ "shm I/O not implemented"); |
e5d73d77 |
2091 | #endif |
c2ab57d4 |
2092 | } |
2093 | |
fe14fcc3 |
2094 | #endif /* SYSV IPC */ |
4e35701f |
2095 | |
0d44d22b |
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 |
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 |
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$l_fnb |
2136 | but that's unsupported, so I don't want to do it now and |
2137 | have it bite someone in the future. */ |
0d44d22b |
2138 | cp = SvPV(tmpglob,i); |
2139 | for (; i; i--) { |
2140 | if (cp[i] == ';') hasver = 1; |
2141 | if (cp[i] == '.') { |
2142 | if (sts) hasver = 1; |
2143 | else sts = 1; |
2144 | } |
2145 | if (cp[i] == '/') { |
2146 | hasdir = isunix = 1; |
2147 | break; |
2148 | } |
2149 | if (cp[i] == ']' || cp[i] == '>' || cp[i] == ':') { |
2150 | hasdir = 1; |
2151 | break; |
2152 | } |
2153 | } |
a15cef0c |
2154 | if ((tmpfp = PerlIO_tmpfile()) != NULL) { |
0d44d22b |
2155 | Stat_t st; |
2156 | if (!PerlLIO_stat(SvPVX(tmpglob),&st) && S_ISDIR(st.st_mode)) |
2157 | ok = ((wilddsc.dsc$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$a_pointer); |
a3987cb8 |
2160 | for (cp=wilddsc.dsc$a_pointer; ok && cp && *cp; cp++) |
2161 | if (*cp == '?') *cp = '%'; /* VMS style single-char wildcard */ |
0d44d22b |
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 | } |