Commit | Line | Data |
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1 | /* VMS::Stdio - VMS extensions to stdio routines |
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2 | * |
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3 | * Version: 2.2 |
4 | * Author: Charles Bailey bailey@newman.upenn.edu |
5 | * Revised: 18-Jul-1998 |
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6 | * |
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7 | */ |
8 | |
9 | #include "EXTERN.h" |
10 | #include "perl.h" |
11 | #include "XSUB.h" |
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12 | #include <file.h> |
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13 | #include <iodef.h> |
14 | #include <rms.h> |
15 | #include <starlet.h> |
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16 | |
17 | static bool |
18 | constant(name, pval) |
19 | char *name; |
20 | IV *pval; |
21 | { |
22 | if (strnNE(name, "O_", 2)) return FALSE; |
23 | |
24 | if (strEQ(name, "O_APPEND")) |
25 | #ifdef O_APPEND |
26 | { *pval = O_APPEND; return TRUE; } |
27 | #else |
28 | return FALSE; |
29 | #endif |
30 | if (strEQ(name, "O_CREAT")) |
31 | #ifdef O_CREAT |
32 | { *pval = O_CREAT; return TRUE; } |
33 | #else |
34 | return FALSE; |
35 | #endif |
36 | if (strEQ(name, "O_EXCL")) |
37 | #ifdef O_EXCL |
38 | { *pval = O_EXCL; return TRUE; } |
39 | #else |
40 | return FALSE; |
41 | #endif |
42 | if (strEQ(name, "O_NDELAY")) |
43 | #ifdef O_NDELAY |
44 | { *pval = O_NDELAY; return TRUE; } |
45 | #else |
46 | return FALSE; |
47 | #endif |
48 | if (strEQ(name, "O_NOWAIT")) |
49 | #ifdef O_NOWAIT |
50 | { *pval = O_NOWAIT; return TRUE; } |
51 | #else |
52 | return FALSE; |
53 | #endif |
54 | if (strEQ(name, "O_RDONLY")) |
55 | #ifdef O_RDONLY |
56 | { *pval = O_RDONLY; return TRUE; } |
57 | #else |
58 | return FALSE; |
59 | #endif |
60 | if (strEQ(name, "O_RDWR")) |
61 | #ifdef O_RDWR |
62 | { *pval = O_RDWR; return TRUE; } |
63 | #else |
64 | return FALSE; |
65 | #endif |
66 | if (strEQ(name, "O_TRUNC")) |
67 | #ifdef O_TRUNC |
68 | { *pval = O_TRUNC; return TRUE; } |
69 | #else |
70 | return FALSE; |
71 | #endif |
72 | if (strEQ(name, "O_WRONLY")) |
73 | #ifdef O_WRONLY |
74 | { *pval = O_WRONLY; return TRUE; } |
75 | #else |
76 | return FALSE; |
77 | #endif |
78 | |
79 | return FALSE; |
80 | } |
748a9306 |
81 | |
748a9306 |
82 | |
2ae00b68 |
83 | static SV * |
a15cef0c |
84 | newFH(PerlIO *fp, char type) { |
55497cff |
85 | SV *rv; |
561b68a9 |
86 | GV **stashp, *gv = (GV *)newSV(0); |
2ae00b68 |
87 | HV *stash; |
88 | IO *io; |
89 | |
90 | /* Find stash for VMS::Stdio. We don't do this once at boot |
91 | * to allow for possibility of threaded Perl with per-thread |
92 | * symbol tables. This code (through io = ...) is really |
93 | * equivalent to gv_fetchpv("VMS::Stdio::__FH__",TRUE,SVt_PVIO), |
94 | * with a little less overhead, and good exercise for me. :-) */ |
6b88bc9c |
95 | stashp = (GV **)hv_fetch(PL_defstash,"VMS::",5,TRUE); |
96 | if (!stashp || *stashp == (GV *)&PL_sv_undef) return Nullsv; |
2ae00b68 |
97 | if (!(stash = GvHV(*stashp))) stash = GvHV(*stashp) = newHV(); |
98 | stashp = (GV **)hv_fetch(GvHV(*stashp),"Stdio::",7,TRUE); |
6b88bc9c |
99 | if (!stashp || *stashp == (GV *)&PL_sv_undef) return Nullsv; |
2ae00b68 |
100 | if (!(stash = GvHV(*stashp))) stash = GvHV(*stashp) = newHV(); |
101 | |
102 | /* Set up GV to point to IO, and then take reference */ |
103 | gv_init(gv,stash,"__FH__",6,0); |
104 | io = GvIOp(gv) = newIO(); |
105 | IoIFP(io) = fp; |
5f05dabc |
106 | if (type != '<') IoOFP(io) = fp; |
2ae00b68 |
107 | IoTYPE(io) = type; |
55497cff |
108 | rv = newRV((SV *)gv); |
2ae00b68 |
109 | SvREFCNT_dec(gv); |
110 | return sv_bless(rv,stash); |
111 | } |
112 | |
113 | MODULE = VMS::Stdio PACKAGE = VMS::Stdio |
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114 | |
115 | void |
2ae00b68 |
116 | constant(name) |
748a9306 |
117 | char * name |
2ae00b68 |
118 | PROTOTYPE: $ |
119 | CODE: |
120 | IV i; |
121 | if (constant(name, &i)) |
122 | ST(0) = sv_2mortal(newSViv(i)); |
123 | else |
6b88bc9c |
124 | ST(0) = &PL_sv_undef; |
2ae00b68 |
125 | |
126 | void |
562a7b0c |
127 | binmode(fh) |
128 | SV * fh |
129 | PROTOTYPE: $ |
130 | CODE: |
493ba88a |
131 | SV *name; |
132 | IO *io; |
133 | char iotype; |
134 | char filespec[NAM$C_MAXRSS], *acmode, *s, *colon, *dirend = Nullch; |
135 | int ret = 0, saverrno = errno, savevmserrno = vaxc$errno; |
a15cef0c |
136 | SV pos; |
493ba88a |
137 | PerlIO *fp; |
138 | io = sv_2io(fh); |
139 | fp = io ? IoOFP(io) : NULL; |
140 | iotype = io ? IoTYPE(io) : '\0'; |
562a7b0c |
141 | if (fp == NULL || strchr(">was+-|",iotype) == Nullch) { |
142 | set_errno(EBADF); set_vaxc_errno(SS$_IVCHAN); XSRETURN_UNDEF; |
143 | } |
a15cef0c |
144 | if (!PerlIO_getname(fp,filespec)) XSRETURN_UNDEF; |
562a7b0c |
145 | for (s = filespec; *s; s++) { |
146 | if (*s == ':') colon = s; |
147 | else if (*s == ']' || *s == '>') dirend = s; |
148 | } |
149 | /* Looks like a tmpfile, which will go away if reopened */ |
150 | if (s == dirend + 3) { |
151 | set_errno(EBADF); set_vaxc_errno(RMS$_IOP); XSRETURN_UNDEF; |
152 | } |
153 | /* If we've got a non-file-structured device, clip off the trailing |
154 | * junk, and don't lose sleep if we can't get a stream position. */ |
155 | if (dirend == Nullch) *(colon+1) = '\0'; |
a15cef0c |
156 | if (iotype != '-' && (ret = PerlIO_getpos(fp, &pos)) == -1 && dirend) |
562a7b0c |
157 | XSRETURN_UNDEF; |
158 | switch (iotype) { |
159 | case '<': case 'r': acmode = "rb"; break; |
160 | case '>': case 'w': case '|': |
161 | /* use 'a' instead of 'w' to avoid creating new file; |
162 | fsetpos below will take care of restoring file position */ |
163 | case 'a': acmode = "ab"; break; |
164 | case '+': case 's': acmode = "rb+"; break; |
a15cef0c |
165 | case '-': acmode = PerlIO_fileno(fp) ? "ab" : "rb"; break; |
562a7b0c |
166 | /* iotype'll be null for the SYS$INPUT:/SYS$OUTPUT:/SYS$ERROR: files */ |
167 | /* since we didn't really open them and can't really */ |
168 | /* reopen them */ |
169 | case 0: XSRETURN_UNDEF; |
170 | default: |
171 | if (PL_dowarn) warn("Unrecognized iotype %c for %s in binmode", |
172 | iotype, filespec); |
173 | acmode = "rb+"; |
174 | } |
a15cef0c |
175 | /* appearances to the contrary, this is an freopen substitute */ |
493ba88a |
176 | name = sv_2mortal(newSVpvn(filespec,strlen(filespec))); |
32af7c23 |
177 | if (PerlIO_openn(aTHX_ Nullch,acmode,-1,0,0,fp,1,&name) == Nullfp) XSRETURN_UNDEF; |
a15cef0c |
178 | if (iotype != '-' && ret != -1 && PerlIO_setpos(fp,&pos) == -1) XSRETURN_UNDEF; |
562a7b0c |
179 | if (ret == -1) { set_errno(saverrno); set_vaxc_errno(savevmserrno); } |
180 | XSRETURN_YES; |
181 | |
182 | |
183 | void |
17f28c40 |
184 | flush(fp) |
a15cef0c |
185 | PerlIO * fp |
2ae00b68 |
186 | PROTOTYPE: $ |
187 | CODE: |
a15cef0c |
188 | FILE *stdio = PerlIO_exportFILE(fp,0); |
189 | if (fflush(stdio)) { ST(0) = &PL_sv_undef; } |
190 | else { clearerr(stdio); ST(0) = &PL_sv_yes; } |
191 | PerlIO_releaseFILE(fp,stdio); |
2ae00b68 |
192 | |
193 | char * |
194 | getname(fp) |
a15cef0c |
195 | PerlIO * fp |
2ae00b68 |
196 | PROTOTYPE: $ |
197 | CODE: |
17f28c40 |
198 | char fname[NAM$C_MAXRSS+1]; |
2ae00b68 |
199 | ST(0) = sv_newmortal(); |
a15cef0c |
200 | if (PerlIO_getname(fp,fname) != NULL) sv_setpv(ST(0),fname); |
2ae00b68 |
201 | |
202 | void |
203 | rewind(fp) |
a15cef0c |
204 | PerlIO * fp |
2ae00b68 |
205 | PROTOTYPE: $ |
206 | CODE: |
a15cef0c |
207 | FILE *stdio = PerlIO_exportFILE(fp,0); |
208 | ST(0) = rewind(stdio) ? &PL_sv_undef : &PL_sv_yes; |
209 | PerlIO_releaseFILE(fp,stdio); |
2ae00b68 |
210 | |
211 | void |
212 | remove(name) |
213 | char *name |
214 | PROTOTYPE: $ |
215 | CODE: |
6b88bc9c |
216 | ST(0) = remove(name) ? &PL_sv_undef : &PL_sv_yes; |
2ae00b68 |
217 | |
218 | void |
17f28c40 |
219 | setdef(...) |
220 | PROTOTYPE: @ |
221 | CODE: |
222 | char vmsdef[NAM$C_MAXRSS+1], es[NAM$C_MAXRSS], sep; |
223 | unsigned long int retsts; |
224 | struct FAB deffab = cc$rms_fab; |
225 | struct NAM defnam = cc$rms_nam; |
226 | struct dsc$descriptor_s dirdsc = {0, DSC$K_DTYPE_T, DSC$K_CLASS_S, 0}; |
2d8e6c8d |
227 | STRLEN n_a; |
17f28c40 |
228 | if (items) { |
229 | SV *defsv = ST(items-1); /* mimic chdir() */ |
6b88bc9c |
230 | ST(0) = &PL_sv_undef; |
17f28c40 |
231 | if (!SvPOK(defsv)) { SETERRNO(EINVAL,LIB$_INVARG); XSRETURN(1); } |
2d8e6c8d |
232 | if (tovmsspec(SvPV(defsv,n_a),vmsdef) == NULL) { XSRETURN(1); } |
17f28c40 |
233 | deffab.fab$l_fna = vmsdef; deffab.fab$b_fns = strlen(vmsdef); |
234 | } |
235 | else { |
236 | deffab.fab$l_fna = "SYS$LOGIN"; deffab.fab$b_fns = 9; |
6b88bc9c |
237 | EXTEND(sp,1); ST(0) = &PL_sv_undef; |
17f28c40 |
238 | } |
239 | defnam.nam$l_esa = es; defnam.nam$b_ess = sizeof es; |
240 | deffab.fab$l_nam = &defnam; |
241 | retsts = sys$parse(&deffab,0,0); |
242 | if (retsts & 1) { |
243 | if (defnam.nam$v_wildcard) retsts = RMS$_WLD; |
244 | else if (defnam.nam$b_name || defnam.nam$b_type > 1 || |
245 | defnam.nam$b_ver > 1) retsts = RMS$_DIR; |
246 | } |
247 | defnam.nam$b_nop |= NAM$M_SYNCHK; defnam.nam$l_rlf = NULL; deffab.fab$b_dns = 0; |
248 | if (!(retsts & 1)) { |
249 | set_vaxc_errno(retsts); |
250 | switch (retsts) { |
251 | case RMS$_DNF: |
252 | set_errno(ENOENT); break; |
253 | case RMS$_SYN: case RMS$_DIR: case RMS$_DEV: |
254 | set_errno(EINVAL); break; |
255 | case RMS$_PRV: |
256 | set_errno(EACCES); break; |
257 | default: |
258 | set_errno(EVMSERR); break; |
259 | } |
260 | (void) sys$parse(&deffab,0,0); /* free up context */ |
261 | XSRETURN(1); |
262 | } |
263 | sep = *defnam.nam$l_dir; |
264 | *defnam.nam$l_dir = '\0'; |
265 | my_setenv("SYS$DISK",defnam.nam$b_node ? defnam.nam$l_node : defnam.nam$l_dev); |
266 | *defnam.nam$l_dir = sep; |
267 | dirdsc.dsc$a_pointer = defnam.nam$l_dir; dirdsc.dsc$w_length = defnam.nam$b_dir; |
6b88bc9c |
268 | if ((retsts = sys$setddir(&dirdsc,0,0)) & 1) ST(0) = &PL_sv_yes; |
17f28c40 |
269 | else { set_errno(EVMSERR); set_vaxc_errno(retsts); } |
270 | (void) sys$parse(&deffab,0,0); /* free up context */ |
271 | |
272 | void |
2ae00b68 |
273 | sync(fp) |
a15cef0c |
274 | PerlIO * fp |
2ae00b68 |
275 | PROTOTYPE: $ |
276 | CODE: |
a15cef0c |
277 | FILE *stdio = PerlIO_exportFILE(fp,0); |
278 | if (fsync(fileno(stdio))) { ST(0) = &PL_sv_undef; } |
279 | else { clearerr(stdio); ST(0) = &PL_sv_yes; } |
280 | PerlIO_releaseFILE(fp,stdio); |
2ae00b68 |
281 | |
282 | char * |
283 | tmpnam() |
284 | PROTOTYPE: |
285 | CODE: |
286 | char fname[L_tmpnam]; |
287 | ST(0) = sv_newmortal(); |
288 | if (tmpnam(fname) != NULL) sv_setpv(ST(0),fname); |
289 | |
290 | void |
291 | vmsopen(spec,...) |
292 | char * spec |
293 | PROTOTYPE: @ |
748a9306 |
294 | CODE: |
2ae00b68 |
295 | char *args[8],mode[3] = {'r','\0','\0'}, type = '<'; |
748a9306 |
296 | register int i, myargc; |
297 | FILE *fp; |
493ba88a |
298 | SV *fh; |
a15cef0c |
299 | PerlIO *pio_fp; |
2d8e6c8d |
300 | STRLEN n_a; |
2ae00b68 |
301 | |
302 | if (!spec || !*spec) { |
303 | SETERRNO(EINVAL,LIB$_INVARG); |
304 | XSRETURN_UNDEF; |
748a9306 |
305 | } |
2ae00b68 |
306 | if (items > 9) croak("too many args"); |
307 | |
748a9306 |
308 | /* First, set up name and mode args from perl's string */ |
2ae00b68 |
309 | if (*spec == '+') { |
748a9306 |
310 | mode[1] = '+'; |
2ae00b68 |
311 | spec++; |
748a9306 |
312 | } |
2ae00b68 |
313 | if (*spec == '>') { |
314 | if (*(spec+1) == '>') *mode = 'a', spec += 2; |
315 | else *mode = 'w', spec++; |
748a9306 |
316 | } |
2ae00b68 |
317 | else if (*spec == '<') spec++; |
748a9306 |
318 | myargc = items - 1; |
2d8e6c8d |
319 | for (i = 0; i < myargc; i++) args[i] = SvPV(ST(i+1),n_a); |
748a9306 |
320 | /* This hack brought to you by C's opaque arglist management */ |
321 | switch (myargc) { |
322 | case 0: |
2ae00b68 |
323 | fp = fopen(spec,mode); |
748a9306 |
324 | break; |
325 | case 1: |
2ae00b68 |
326 | fp = fopen(spec,mode,args[0]); |
748a9306 |
327 | break; |
328 | case 2: |
2ae00b68 |
329 | fp = fopen(spec,mode,args[0],args[1]); |
748a9306 |
330 | break; |
331 | case 3: |
2ae00b68 |
332 | fp = fopen(spec,mode,args[0],args[1],args[2]); |
748a9306 |
333 | break; |
334 | case 4: |
2ae00b68 |
335 | fp = fopen(spec,mode,args[0],args[1],args[2],args[3]); |
748a9306 |
336 | break; |
337 | case 5: |
2ae00b68 |
338 | fp = fopen(spec,mode,args[0],args[1],args[2],args[3],args[4]); |
748a9306 |
339 | break; |
340 | case 6: |
2ae00b68 |
341 | fp = fopen(spec,mode,args[0],args[1],args[2],args[3],args[4],args[5]); |
748a9306 |
342 | break; |
343 | case 7: |
2ae00b68 |
344 | fp = fopen(spec,mode,args[0],args[1],args[2],args[3],args[4],args[5],args[6]); |
748a9306 |
345 | break; |
346 | case 8: |
2ae00b68 |
347 | fp = fopen(spec,mode,args[0],args[1],args[2],args[3],args[4],args[5],args[6],args[7]); |
748a9306 |
348 | break; |
349 | } |
a15cef0c |
350 | if (fp != Null(FILE*)) { |
6700e351 |
351 | pio_fp = PerlIO_importFILE(fp,mode); |
493ba88a |
352 | fh = newFH(pio_fp,(mode[1] ? '+' : (mode[0] == 'r' ? '<' : (mode[0] == 'a' ? 'a' : '>')))); |
353 | ST(0) = (fh ? sv_2mortal(fh) : &PL_sv_undef); |
748a9306 |
354 | } |
6b88bc9c |
355 | else { ST(0) = &PL_sv_undef; } |
748a9306 |
356 | |
2ae00b68 |
357 | void |
358 | vmssysopen(spec,mode,perm,...) |
359 | char * spec |
360 | int mode |
361 | int perm |
362 | PROTOTYPE: @ |
748a9306 |
363 | CODE: |
2ae00b68 |
364 | char *args[8]; |
365 | int i, myargc, fd; |
366 | FILE *fp; |
a15cef0c |
367 | PerlIO *pio_fp; |
2ae00b68 |
368 | SV *fh; |
2d8e6c8d |
369 | STRLEN n_a; |
2ae00b68 |
370 | if (!spec || !*spec) { |
371 | SETERRNO(EINVAL,LIB$_INVARG); |
372 | XSRETURN_UNDEF; |
373 | } |
374 | if (items > 11) croak("too many args"); |
375 | myargc = items - 3; |
2d8e6c8d |
376 | for (i = 0; i < myargc; i++) args[i] = SvPV(ST(i+3),n_a); |
2ae00b68 |
377 | /* More fun with C calls; can't combine with above because |
378 | args 2,3 of different types in fopen() and open() */ |
379 | switch (myargc) { |
380 | case 0: |
381 | fd = open(spec,mode,perm); |
382 | break; |
383 | case 1: |
384 | fd = open(spec,mode,perm,args[0]); |
385 | break; |
386 | case 2: |
387 | fd = open(spec,mode,perm,args[0],args[1]); |
388 | break; |
389 | case 3: |
390 | fd = open(spec,mode,perm,args[0],args[1],args[2]); |
391 | break; |
392 | case 4: |
393 | fd = open(spec,mode,perm,args[0],args[1],args[2],args[3]); |
394 | break; |
395 | case 5: |
396 | fd = open(spec,mode,perm,args[0],args[1],args[2],args[3],args[4]); |
397 | break; |
398 | case 6: |
399 | fd = open(spec,mode,perm,args[0],args[1],args[2],args[3],args[4],args[5]); |
400 | break; |
401 | case 7: |
402 | fd = open(spec,mode,perm,args[0],args[1],args[2],args[3],args[4],args[5],args[6]); |
403 | break; |
404 | case 8: |
405 | fd = open(spec,mode,perm,args[0],args[1],args[2],args[3],args[4],args[5],args[6],args[7]); |
406 | break; |
407 | } |
408 | i = mode & 3; |
409 | if (fd >= 0 && |
a15cef0c |
410 | ((fp = fdopen(fd, &("r\000w\000r+"[2*i]))) != Null(FILE*))) { |
6700e351 |
411 | pio_fp = PerlIO_importFILE(fp,&("r\000w\000r+"[2*i])); |
493ba88a |
412 | fh = newFH(pio_fp,"<>++"[i]); |
413 | ST(0) = (fh ? sv_2mortal(fh) : &PL_sv_undef); |
2ae00b68 |
414 | } |
6b88bc9c |
415 | else { ST(0) = &PL_sv_undef; } |
748a9306 |
416 | |
2ae00b68 |
417 | void |
418 | waitfh(fp) |
a15cef0c |
419 | PerlIO * fp |
2ae00b68 |
420 | PROTOTYPE: $ |
748a9306 |
421 | CODE: |
a15cef0c |
422 | FILE *stdio = PerlIO_exportFILE(fp,0); |
423 | ST(0) = fwait(stdio) ? &PL_sv_undef : &PL_sv_yes; |
424 | PerlIO_releaseFILE(fp,stdio); |
17f28c40 |
425 | |
426 | void |
427 | writeof(mysv) |
428 | SV * mysv |
429 | PROTOTYPE: $ |
430 | CODE: |
431 | char devnam[257], *cp; |
432 | unsigned long int chan, iosb[2], retsts, retsts2; |
433 | struct dsc$descriptor devdsc = {0, DSC$K_DTYPE_T, DSC$K_CLASS_S, devnam}; |
434 | IO *io = sv_2io(mysv); |
a15cef0c |
435 | PerlIO *fp = io ? IoOFP(io) : NULL; |
17f28c40 |
436 | if (fp == NULL || strchr(">was+-|",IoTYPE(io)) == Nullch) { |
562a7b0c |
437 | set_errno(EBADF); set_vaxc_errno(SS$_IVCHAN); XSRETURN_UNDEF; |
17f28c40 |
438 | } |
a15cef0c |
439 | if (PerlIO_getname(fp,devnam) == Nullch) { ST(0) = &PL_sv_undef; XSRETURN(1); } |
17f28c40 |
440 | if ((cp = strrchr(devnam,':')) != NULL) *(cp+1) = '\0'; |
441 | devdsc.dsc$w_length = strlen(devnam); |
442 | retsts = sys$assign(&devdsc,&chan,0,0); |
443 | if (retsts & 1) retsts = sys$qiow(0,chan,IO$_WRITEOF,iosb,0,0,0,0,0,0,0,0); |
444 | if (retsts & 1) retsts = iosb[0]; |
445 | retsts2 = sys$dassgn(chan); /* Be sure to deassign the channel */ |
446 | if (retsts & 1) retsts = retsts2; |
6b88bc9c |
447 | if (retsts & 1) { ST(0) = &PL_sv_yes; } |
17f28c40 |
448 | else { |
449 | set_vaxc_errno(retsts); |
450 | switch (retsts) { |
451 | case SS$_EXQUOTA: case SS$_INSFMEM: case SS$_MBFULL: |
452 | case SS$_MBTOOSML: case SS$_NOIOCHAN: case SS$_NOLINKS: |
453 | case SS$_BUFFEROVF: |
454 | set_errno(ENOSPC); break; |
455 | case SS$_ILLIOFUNC: case SS$_DEVOFFLINE: case SS$_NOSUCHDEV: |
456 | set_errno(EBADF); break; |
457 | case SS$_NOPRIV: |
458 | set_errno(EACCES); break; |
459 | default: /* Includes "shouldn't happen" cases that might map */ |
460 | set_errno(EVMSERR); break; /* to other errno values */ |
461 | } |
6b88bc9c |
462 | ST(0) = &PL_sv_undef; |
17f28c40 |
463 | } |