Commit | Line | Data |
10bc17b6 |
1 | #!/usr/bin/perl -w |
2 | |
3 | # |
4 | # Generate the reentr.c and reentr.h, |
5 | # and optionally also the relevant metaconfig units (-U option). |
6 | # |
7 | |
8 | use strict; |
9 | use Getopt::Std; |
10 | my %opts; |
11 | getopts('U', \%opts); |
12 | |
13 | my %map = ( |
14 | V => "void", |
15 | A => "char*", # as an input argument |
16 | B => "char*", # as an output argument |
17 | C => "const char*", # as a read-only input argument |
18 | I => "int", |
19 | L => "long", |
20 | W => "size_t", |
21 | H => "FILE**", |
22 | E => "int*", |
23 | ); |
24 | |
25 | # (See the definitions after __DATA__.) |
26 | # In func|inc|type|... a "S" means "type*", and a "R" means "type**". |
27 | # (The "types" are often structs, such as "struct passwd".) |
28 | # |
29 | # After the prototypes one can have |X=...|Y=... to define more types. |
30 | # A commonly used extra type is to define D to be equal to "type_data", |
31 | # for example "struct_hostent_data to" go with "struct hostent". |
32 | # |
33 | # Example #1: I_XSBWR means int func_r(X, type, char*, size_t, type**) |
34 | # Example #2: S_SBIE means type func_r(type, char*, int, int*) |
35 | # Example #3: S_CBI means type func_r(const char*, char*, int) |
36 | |
37 | |
38 | die "reentr.h: $!" unless open(H, ">reentr.h"); |
39 | select H; |
40 | print <<EOF; |
41 | /* |
42 | * reentr.h |
43 | * |
44 | * Copyright (c) 1997-2002, Larry Wall |
45 | * |
46 | * You may distribute under the terms of either the GNU General Public |
47 | * License or the Artistic License, as specified in the README file. |
48 | * |
49 | * !!!!!!! DO NOT EDIT THIS FILE !!!!!!! |
50 | * This file is built by reentrl.pl from data in reentr.pl. |
51 | */ |
52 | |
53 | #ifndef REENTR_H |
54 | #define REENTR_H |
55 | |
56 | #ifdef USE_REENTRANT_API |
57 | |
58 | /* Deprecations: some platforms have the said reentrant interfaces |
59 | * but they are declared obsolete and are not to be used. Often this |
60 | * means that the platform has threadsafed the interfaces (hopefully). |
61 | * All this is OS version dependent, so we are of course fooling ourselves. |
62 | * If you know of more deprecations on some platforms, please add your own. */ |
63 | |
64 | #ifdef __hpux |
65 | # undef HAS_CRYPT_R |
66 | # undef HAS_DRAND48_R |
efa45b01 |
67 | # undef HAS_ENDGRENT_R |
68 | # undef HAS_ENDPWENT_R |
10bc17b6 |
69 | # undef HAS_GETGRENT_R |
70 | # undef HAS_GETPWENT_R |
71 | # undef HAS_SETLOCALE_R |
72 | # undef HAS_SRAND48_R |
73 | # undef HAS_STRERROR_R |
74 | # define NETDB_R_OBSOLETE |
75 | #endif |
76 | |
77 | #if defined(__osf__) && defined(__alpha) /* Tru64 aka Digital UNIX */ |
78 | # undef HAS_CRYPT_R |
79 | # undef HAS_STRERROR_R |
80 | # define NETDB_R_OBSOLETE |
81 | #endif |
82 | |
83 | #ifdef NETDB_R_OBSOLETE |
84 | # undef HAS_ENDHOSTENT_R |
85 | # undef HAS_ENDNETENT_R |
86 | # undef HAS_ENDPROTOENT_R |
87 | # undef HAS_ENDSERVENT_R |
88 | # undef HAS_GETHOSTBYADDR_R |
89 | # undef HAS_GETHOSTBYNAME_R |
90 | # undef HAS_GETHOSTENT_R |
91 | # undef HAS_GETNETBYADDR_R |
92 | # undef HAS_GETNETBYNAME_R |
93 | # undef HAS_GETNETENT_R |
94 | # undef HAS_GETPROTOBYNAME_R |
95 | # undef HAS_GETPROTOBYNUMBER_R |
96 | # undef HAS_GETPROTOENT_R |
97 | # undef HAS_GETSERVBYNAME_R |
98 | # undef HAS_GETSERVBYPORT_R |
99 | # undef HAS_GETSERVENT_R |
100 | # undef HAS_SETHOSTENT_R |
101 | # undef HAS_SETNETENT_R |
102 | # undef HAS_SETPROTOENT_R |
103 | # undef HAS_SETSERVENT_R |
104 | #endif |
105 | |
106 | #ifdef I_PWD |
107 | # include <pwd.h> |
108 | #endif |
109 | #ifdef I_GRP |
110 | # include <grp.h> |
111 | #endif |
112 | #ifdef I_NETDB |
113 | # include <netdb.h> |
114 | #endif |
115 | #ifdef I_STDLIB |
116 | # include <stdlib.h> /* drand48_data */ |
117 | #endif |
118 | #ifdef I_CRYPT |
119 | # ifdef I_CRYPT |
120 | # include <crypt.h> |
121 | # endif |
122 | #endif |
123 | #ifdef HAS_GETSPNAM_R |
124 | # ifdef I_SHADOW |
125 | # include <shadow.h> |
126 | # endif |
127 | #endif |
128 | |
129 | EOF |
130 | |
131 | my %seenh; |
132 | my %seena; |
133 | my @seenf; |
134 | my %seenp; |
135 | my %seent; |
136 | my %seens; |
137 | my %seend; |
138 | my %seenu; |
139 | |
140 | while (<DATA>) { |
141 | next if /^\s+$/; |
142 | chomp; |
143 | my ($f, $h, $t, @p) = split(/\s*\|\s*/, $_, -1); |
144 | my $u; |
145 | ($f, $u) = split(' ', $f); |
146 | $seenu{$f} = defined $u ? length $u : 0; |
147 | my $F = uc $f; |
148 | push @seenf, $f; |
149 | my %m = %map; |
150 | if ($t) { |
151 | $m{S} = "$t*"; |
152 | $m{R} = "$t**"; |
153 | } |
154 | if (@p) { |
155 | while ($p[-1] =~ /=/) { |
156 | my ($k, $v) = ($p[-1] =~ /^([A-Za-z])\s*=\s*(.*)/); |
157 | $m{$k} = $v; |
158 | pop @p; |
159 | } |
160 | } |
161 | if ($opts{U} && open(U, ">d_${f}_r.U")) { |
162 | select U; |
163 | } |
164 | my $prereqh = $h eq 'stdio' ? '' : "i_$h"; # There's no i_stdio. |
165 | print <<EOF if $opts{U}; |
166 | ?RCS: \$Id: d_${f}_r.U,v $ |
167 | ?RCS: |
168 | ?RCS: Copyright (c) 2002 Jarkko Hietaniemi |
169 | ?RCS: |
170 | ?RCS: You may distribute under the terms of either the GNU General Public |
171 | ?RCS: License or the Artistic License, as specified in the README file. |
172 | ?RCS: |
173 | ?RCS: Generated by the reentr.pl from the Perl 5.8 distribution. |
174 | ?RCS: |
c18e646a |
175 | ?MAKE:d_${f}_r ${f}_r_proto: Inlibc Protochk Hasproto i_systypes $prereqh usethreads |
10bc17b6 |
176 | ?MAKE: -pick add \$@ %< |
177 | ?S:d_${f}_r: |
178 | ?S: This variable conditionally defines the HAS_${F}_R symbol, |
179 | ?S: which indicates to the C program that the ${f}_r() |
180 | ?S: routine is available. |
181 | ?S:. |
182 | ?S:${f}_r_proto: |
183 | ?S: This variable encodes the prototype of ${f}_r. |
184 | ?S:. |
185 | ?C:HAS_${F}_R: |
186 | ?C: This symbol, if defined, indicates that the ${f}_r routine |
187 | ?C: is available to ${f} re-entrantly. |
188 | ?C:. |
189 | ?C:${F}_R_PROTO: |
190 | ?C: This symbol encodes the prototype of ${f}_r. |
191 | ?C:. |
192 | ?H:#\$d_${f}_r HAS_${F}_R /**/ |
193 | ?H:#define ${F}_R_PROTO \$${f}_r_proto /**/ |
194 | ?H:. |
a48ec845 |
195 | ?T:try hdrs d_${f}_r_proto |
10bc17b6 |
196 | ?LINT:set d_${f}_r |
197 | ?LINT:set ${f}_r_proto |
198 | : see if ${f}_r exists |
199 | set ${f}_r d_${f}_r |
200 | eval \$inlibc |
201 | case "\$d_${f}_r" in |
202 | "\$define") |
203 | hdrs="\$i_systypes sys/types.h define stdio.h \$i_${h} $h.h" |
c18e646a |
204 | case "\$d_${f}_r_proto:\$usethreads" in |
205 | ":define") d_${f}_r_proto=define |
a48ec845 |
206 | set d_${f}_r_proto ${f}_r \$hdrs |
207 | eval \$hasproto ;; |
208 | *) ;; |
209 | esac |
210 | case "\$d_${f}_r_proto" in |
211 | define) |
10bc17b6 |
212 | EOF |
213 | for my $p (@p) { |
214 | my ($r, $a) = ($p =~ /^(.)_(.+)/); |
215 | my $v = join(", ", map { $m{$_} } split '', $a); |
216 | if ($opts{U}) { |
217 | print <<EOF ; |
218 | case "\$${f}_r_proto" in |
219 | ''|0) try='$m{$r} ${f}_r($v);' |
220 | ./protochk "extern \$try" \$hdrs && ${f}_r_proto=$p ;; |
221 | esac |
222 | EOF |
223 | } |
224 | $seenh{$f}->{$p}++; |
225 | push @{$seena{$f}}, $p; |
226 | $seenp{$p}++; |
227 | $seent{$f} = $t; |
228 | $seens{$f} = $m{S}; |
229 | $seend{$f} = $m{D}; |
230 | } |
231 | if ($opts{U}) { |
232 | print <<EOF; |
233 | case "\$${f}_r_proto" in |
234 | '') d_${f}_r=undef |
235 | ${f}_r_proto=0 |
a48ec845 |
236 | echo "Disabling ${f}_r, cannot determine prototype." >&4 ;; |
10bc17b6 |
237 | * ) case "\$${f}_r_proto" in |
238 | REENTRANT_PROTO*) ;; |
239 | *) ${f}_r_proto="REENTRANT_PROTO_\$${f}_r_proto" ;; |
240 | esac |
241 | echo "Prototype: \$try" ;; |
242 | esac |
243 | ;; |
c18e646a |
244 | *) case "\$usethreads" in |
245 | define) echo "${f}_r has no prototype, not using it." >&4 ;; |
246 | esac |
247 | ;; |
a48ec845 |
248 | esac |
249 | ;; |
10bc17b6 |
250 | *) ${f}_r_proto=0 |
251 | ;; |
252 | esac |
253 | |
254 | EOF |
255 | close(U); |
256 | } |
257 | } |
258 | |
259 | close DATA; |
260 | |
261 | select H; |
262 | |
263 | { |
264 | my $i = 1; |
265 | for my $p (sort keys %seenp) { |
266 | print "#define REENTRANT_PROTO_${p} ${i}\n"; |
267 | $i++; |
268 | } |
269 | } |
270 | |
271 | sub ifprotomatch { |
272 | my $F = shift; |
273 | join " || ", map { "${F}_R_PROTO == REENTRANT_PROTO_$_" } @_; |
274 | } |
275 | |
276 | my @struct; |
277 | my @size; |
278 | my @init; |
279 | my @free; |
280 | my @wrap; |
281 | my @define; |
282 | |
283 | sub pushssif { |
284 | push @struct, @_; |
285 | push @size, @_; |
286 | push @init, @_; |
287 | push @free, @_; |
288 | } |
289 | |
290 | sub pushinitfree { |
291 | my $f = shift; |
292 | push @init, <<EOF; |
293 | New(31338, PL_reentrant_buffer->_${f}_buffer, PL_reentrant_buffer->_${f}_size, char); |
294 | EOF |
295 | push @free, <<EOF; |
296 | Safefree(PL_reentrant_buffer->_${f}_buffer); |
297 | EOF |
298 | } |
299 | |
300 | sub define { |
301 | my ($n, $p, @F) = @_; |
302 | my @H; |
303 | my $H = uc $F[0]; |
304 | push @define, <<EOF; |
305 | /* The @F using \L$n? */ |
306 | |
307 | EOF |
308 | for my $f (@F) { |
309 | my $F = uc $f; |
310 | my $h = "${F}_R_HAS_$n"; |
311 | push @H, $h; |
312 | my @h = grep { /$p/ } @{$seena{$f}}; |
313 | if (@h) { |
09310450 |
314 | push @define, "#if defined(HAS_${F}_R) && (" . join(" || ", map { "${F}_R_PROTO == REENTRANT_PROTO_$_" } @h) . ")\n"; |
10bc17b6 |
315 | |
316 | push @define, <<EOF; |
317 | # define $h |
318 | #else |
319 | # undef $h |
320 | #endif |
321 | EOF |
322 | } |
323 | } |
324 | push @define, <<EOF; |
325 | |
326 | /* Any of the @F using \L$n? */ |
327 | |
328 | EOF |
329 | push @define, "#if (" . join(" || ", map { "defined($_)" } @H) . ")\n"; |
330 | push @define, <<EOF; |
331 | # define USE_${H}_$n |
332 | #else |
333 | # undef USE_${H}_$n |
334 | #endif |
335 | |
336 | EOF |
337 | } |
338 | |
edd309b7 |
339 | define('BUFFER', 'B', |
340 | qw(getgrent getgrgid getgrnam)); |
341 | |
10bc17b6 |
342 | define('PTR', 'R', |
343 | qw(getgrent getgrgid getgrnam)); |
344 | define('PTR', 'R', |
345 | qw(getpwent getpwnam getpwuid)); |
346 | define('PTR', 'R', |
347 | qw(getspent getspnam)); |
348 | |
349 | define('FPTR', 'H', |
350 | qw(getgrent getgrgid getgrnam)); |
351 | define('FPTR', 'H', |
352 | qw(getpwent getpwnam getpwuid)); |
353 | |
edd309b7 |
354 | define('BUFFER', 'B', |
355 | qw(getpwent getpwgid getpwnam)); |
356 | |
10bc17b6 |
357 | define('PTR', 'R', |
358 | qw(gethostent gethostbyaddr gethostbyname)); |
359 | define('PTR', 'R', |
360 | qw(getnetent getnetbyaddr getnetbyname)); |
361 | define('PTR', 'R', |
362 | qw(getprotoent getprotobyname getprotobynumber)); |
363 | define('PTR', 'R', |
364 | qw(getservent getservbyname getservbyport)); |
365 | |
edd309b7 |
366 | define('BUFFER', 'B', |
367 | qw(gethostent gethostbyaddr gethostbyname)); |
368 | define('BUFFER', 'B', |
369 | qw(getnetent getnetbyaddr getnetbyname)); |
370 | define('BUFFER', 'B', |
371 | qw(getprotoent getprotobyname getprotobynumber)); |
372 | define('BUFFER', 'B', |
373 | qw(getservent getservbyname getservbyport)); |
374 | |
10bc17b6 |
375 | define('ERRNO', 'E', |
376 | qw(gethostent gethostbyaddr gethostbyname)); |
377 | define('ERRNO', 'E', |
378 | qw(getnetent getnetbyaddr getnetbyname)); |
379 | |
380 | for my $f (@seenf) { |
381 | my $F = uc $f; |
382 | my $ifdef = "#ifdef HAS_${F}_R\n"; |
383 | my $endif = "#endif /* HAS_${F}_R */\n"; |
384 | if (exists $seena{$f}) { |
385 | my @p = @{$seena{$f}}; |
386 | if ($f =~ /^(asctime|ctime|getlogin|setlocale|strerror|ttyname)$/) { |
387 | pushssif $ifdef; |
388 | push @struct, <<EOF; |
389 | char* _${f}_buffer; |
390 | size_t _${f}_size; |
391 | EOF |
392 | push @size, <<EOF; |
393 | PL_reentrant_buffer->_${f}_size = 256; /* Make something up. */ |
394 | EOF |
395 | pushinitfree $f; |
396 | pushssif $endif; |
397 | } |
398 | elsif ($f =~ /^(crypt|drand48|gmtime|localtime|random)$/) { |
399 | pushssif $ifdef; |
400 | push @struct, <<EOF; |
401 | $seent{$f} _${f}_struct; |
402 | EOF |
403 | if ($f eq 'crypt') { |
404 | push @init, <<EOF; |
405 | #ifdef __GLIBC__ |
406 | PL_reentrant_buffer->_${f}_struct.initialized = 0; |
407 | #endif |
408 | EOF |
409 | } |
410 | if ($1 eq 'drand48') { |
411 | push @struct, <<EOF; |
412 | double _${f}_double; |
413 | EOF |
414 | } |
415 | pushssif $endif; |
416 | } |
417 | elsif ($f =~ /^(getgrnam|getpwnam|getspnam)$/) { |
418 | pushssif $ifdef; |
419 | my $g = $f; |
420 | $g =~ s/nam/ent/g; |
421 | my $G = uc $g; |
422 | push @struct, <<EOF; |
423 | $seent{$f} _${g}_struct; |
424 | char* _${g}_buffer; |
425 | size_t _${g}_size; |
426 | EOF |
427 | push @struct, <<EOF; |
428 | # ifdef USE_${G}_PTR |
429 | $seent{$f}* _${g}_ptr; |
430 | # endif |
431 | EOF |
432 | if ($g eq 'getspent') { |
433 | push @size, <<EOF; |
434 | PL_reentrant_buffer->_${g}_size = 1024; |
435 | EOF |
436 | } else { |
437 | push @struct, <<EOF; |
438 | # ifdef USE_${G}_FPTR |
439 | FILE* _${g}_fptr; |
440 | # endif |
441 | EOF |
442 | push @init, <<EOF; |
443 | # ifdef USE_${G}_FPTR |
444 | PL_reentrant_buffer->_${g}_fptr = NULL; |
445 | # endif |
446 | EOF |
447 | my $sc = $g eq 'getgrent' ? |
448 | '_SC_GETGR_R_SIZE_MAX' : '_SC_GETPW_R_SIZE_MAX'; |
449 | push @size, <<EOF; |
450 | # if defined(HAS_SYSCONF) && defined($sc) && !defined(__GLIBC__) |
451 | PL_reentrant_buffer->_${g}_size = sysconf($sc); |
452 | # else |
453 | # if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ) |
454 | PL_reentrant_buffer->_${g}_size = SIABUFSIZ; |
455 | # else |
456 | # ifdef __sgi |
457 | PL_reentrant_buffer->_${g}_size = BUFSIZ; |
458 | # else |
edd309b7 |
459 | PL_reentrant_buffer->_${g}_size = 256; |
10bc17b6 |
460 | # endif |
461 | # endif |
462 | # endif |
463 | EOF |
464 | } |
465 | pushinitfree $g; |
466 | pushssif $endif; |
467 | } |
468 | elsif ($f =~ /^(gethostbyname|getnetbyname|getservbyname|getprotobyname)$/) { |
469 | pushssif $ifdef; |
470 | my $g = $f; |
471 | $g =~ s/byname/ent/; |
472 | my $G = uc $g; |
473 | my $D = ifprotomatch($F, grep {/D/} @p); |
474 | my $d = $seend{$f}; |
475 | push @struct, <<EOF; |
476 | $seent{$f} _${g}_struct; |
477 | # if $D |
478 | $d _${g}_data; |
479 | # else |
480 | char* _${g}_buffer; |
481 | size_t _${g}_size; |
482 | # endif |
483 | # ifdef USE_${G}_PTR |
484 | $seent{$f}* _${g}_ptr; |
485 | # endif |
486 | EOF |
487 | push @struct, <<EOF; |
488 | # ifdef USE_${G}_ERRNO |
489 | int _${g}_errno; |
490 | # endif |
491 | EOF |
492 | push @size, <<EOF; |
493 | #if !($D) |
494 | PL_reentrant_buffer->_${g}_size = 2048; /* Any better ideas? */ |
495 | #endif |
496 | EOF |
497 | push @init, <<EOF; |
498 | #if !($D) |
499 | New(31338, PL_reentrant_buffer->_${g}_buffer, PL_reentrant_buffer->_${g}_size, char); |
500 | #endif |
501 | EOF |
502 | push @free, <<EOF; |
503 | #if !($D) |
504 | Safefree(PL_reentrant_buffer->_${g}_buffer); |
505 | #endif |
506 | EOF |
507 | pushssif $endif; |
508 | } |
509 | elsif ($f =~ /^(readdir|readdir64)$/) { |
510 | pushssif $ifdef; |
511 | my $R = ifprotomatch($F, grep {/R/} @p); |
512 | push @struct, <<EOF; |
513 | $seent{$f}* _${f}_struct; |
514 | size_t _${f}_size; |
515 | # if $R |
516 | $seent{$f}* _${f}_ptr; |
517 | # endif |
518 | EOF |
519 | push @size, <<EOF; |
520 | /* This is the size Solaris recommends. |
521 | * (though we go static, should use pathconf() instead) */ |
522 | PL_reentrant_buffer->_${f}_size = sizeof($seent{$f}) + MAXPATHLEN + 1; |
523 | EOF |
524 | push @init, <<EOF; |
525 | PL_reentrant_buffer->_${f}_struct = ($seent{$f}*)safemalloc(PL_reentrant_buffer->_${f}_size); |
526 | EOF |
527 | push @free, <<EOF; |
528 | Safefree(PL_reentrant_buffer->_${f}_struct); |
529 | EOF |
530 | pushssif $endif; |
531 | } |
532 | |
533 | push @wrap, $ifdef; |
534 | |
535 | # Doesn't implement the buffer growth loop for glibc gethostby*(). |
536 | push @wrap, <<EOF; |
537 | # undef $f |
538 | EOF |
539 | my @v = 'a'..'z'; |
540 | my $v = join(", ", @v[0..$seenu{$f}-1]); |
541 | for my $p (@p) { |
542 | my ($r, $a) = split '_', $p; |
543 | my $test = $r eq 'I' ? ' == 0' : ''; |
544 | my $true = 1; |
10bc17b6 |
545 | my $g = $f; |
546 | if ($g =~ /^(?:get|set|end)(pw|gr|host|net|proto|serv|sp)/) { |
547 | $g = "get$1ent"; |
548 | } elsif ($g eq 'srand48') { |
549 | $g = "drand48"; |
550 | } |
551 | my $b = $a; |
552 | my $w = ''; |
553 | substr($b, 0, $seenu{$f}) = ''; |
554 | if ($b =~ /R/) { |
555 | $true = "PL_reentrant_buffer->_${g}_ptr"; |
556 | } elsif ($b =~ /T/ && $f eq 'drand48') { |
557 | $true = "PL_reentrant_buffer->_${g}_double"; |
558 | } elsif ($b =~ /S/) { |
559 | if ($f =~ /^readdir/) { |
560 | $true = "PL_reentrant_buffer->_${g}_struct"; |
561 | } else { |
562 | $true = "&PL_reentrant_buffer->_${g}_struct"; |
563 | } |
564 | } elsif ($b =~ /B/) { |
565 | $true = "PL_reentrant_buffer->_${g}_buffer"; |
566 | } |
567 | if (length $b) { |
568 | $w = join ", ", |
569 | map { |
570 | $_ eq 'R' ? |
571 | "&PL_reentrant_buffer->_${g}_ptr" : |
572 | $_ eq 'E' ? |
573 | "&PL_reentrant_buffer->_${g}_errno" : |
574 | $_ eq 'B' ? |
575 | "PL_reentrant_buffer->_${g}_buffer" : |
576 | $_ =~ /^[WI]$/ ? |
577 | "PL_reentrant_buffer->_${g}_size" : |
578 | $_ eq 'H' ? |
579 | "&PL_reentrant_buffer->_${g}_fptr" : |
580 | $_ eq 'D' ? |
581 | "&PL_reentrant_buffer->_${g}_data" : |
582 | $_ eq 'S' ? |
583 | ($f =~ /^readdir/ ? |
584 | "PL_reentrant_buffer->_${g}_struct" : |
585 | "&PL_reentrant_buffer->_${g}_struct" ) : |
586 | $_ eq 'T' && $f eq 'drand48' ? |
587 | "&PL_reentrant_buffer->_${g}_double" : |
588 | $_ |
589 | } split '', $b; |
590 | $w = ", $w" if length $v; |
591 | } |
592 | my $call = "${f}_r($v$w)"; |
593 | $call = "((errno = $call))" if $r eq 'I'; |
594 | push @wrap, <<EOF; |
595 | # if !defined($f) && ${F}_R_PROTO == REENTRANT_PROTO_$p |
596 | EOF |
597 | if ($r eq 'V' || $r eq 'B') { |
598 | push @wrap, <<EOF; |
599 | # define $f($v) $call |
600 | EOF |
601 | } else { |
edd309b7 |
602 | if ($f =~ /^get/) { |
603 | my $rv = $v ? ", $v" : ""; |
604 | push @wrap, <<EOF; |
605 | # define $f($v) ($call$test ? $true : (errno == ERANGE ? Perl_reentrant_retry("$f"$rv) : 0)) |
10bc17b6 |
606 | EOF |
edd309b7 |
607 | } else { |
608 | push @wrap, <<EOF; |
609 | # define $f($v) ($call$test ? $true : 0) |
610 | EOF |
611 | } |
10bc17b6 |
612 | } |
613 | push @wrap, <<EOF; |
614 | # endif |
615 | EOF |
616 | } |
617 | |
618 | push @wrap, $endif, "\n"; |
619 | } |
620 | } |
621 | |
622 | local $" = ''; |
623 | |
624 | print <<EOF; |
625 | |
626 | /* Defines for indicating which special features are supported. */ |
627 | |
628 | @define |
629 | typedef struct { |
630 | @struct |
631 | } REENTR; |
632 | |
633 | /* The wrappers. */ |
634 | |
635 | @wrap |
636 | #endif /* USE_REENTRANT_API */ |
637 | |
638 | #endif |
639 | |
640 | EOF |
641 | |
642 | close(H); |
643 | |
644 | die "reentr.c: $!" unless open(C, ">reentr.c"); |
645 | select C; |
646 | print <<EOF; |
647 | /* |
648 | * reentr.c |
649 | * |
650 | * Copyright (c) 1997-2002, Larry Wall |
651 | * |
652 | * You may distribute under the terms of either the GNU General Public |
653 | * License or the Artistic License, as specified in the README file. |
654 | * |
655 | * !!!!!!! DO NOT EDIT THIS FILE !!!!!!! |
656 | * This file is built by reentrl.pl from data in reentr.pl. |
657 | * |
658 | * "Saruman," I said, standing away from him, "only one hand at a time can |
659 | * wield the One, and you know that well, so do not trouble to say we!" |
660 | * |
661 | */ |
662 | |
663 | #include "EXTERN.h" |
664 | #define PERL_IN_REENTR_C |
665 | #include "perl.h" |
666 | #include "reentr.h" |
667 | |
668 | void |
669 | Perl_reentrant_size(pTHX) { |
670 | #ifdef USE_REENTRANT_API |
671 | @size |
672 | #endif /* USE_REENTRANT_API */ |
673 | } |
674 | |
675 | void |
676 | Perl_reentrant_init(pTHX) { |
677 | #ifdef USE_REENTRANT_API |
678 | New(31337, PL_reentrant_buffer, 1, REENTR); |
679 | Perl_reentrant_size(aTHX); |
680 | @init |
681 | #endif /* USE_REENTRANT_API */ |
682 | } |
683 | |
684 | void |
685 | Perl_reentrant_free(pTHX) { |
686 | #ifdef USE_REENTRANT_API |
687 | @free |
688 | Safefree(PL_reentrant_buffer); |
689 | #endif /* USE_REENTRANT_API */ |
690 | } |
691 | |
edd309b7 |
692 | void* |
693 | Perl_reentrant_retry(const char *f, ...) |
694 | { |
695 | dTHX; |
696 | void *retptr = NULL; |
697 | #ifdef USE_REENTRANT_API |
698 | void *p0, *p1; |
699 | size_t asize; |
700 | int anint; |
701 | va_list ap; |
702 | |
703 | va_start(ap, f); |
704 | |
705 | #define REENTRANTHALFMAXSIZE 32768 /* The maximum may end up twice this. */ |
706 | |
707 | switch (PL_op->op_type) { |
708 | #ifdef USE_GETHOSTENT_BUFFER |
709 | case OP_GHBYADDR: |
710 | case OP_GHBYNAME: |
711 | case OP_GHOSTENT: |
712 | { |
713 | if (PL_reentrant_buffer->_gethostent_size <= REENTRANTHALFMAXSIZE) { |
714 | PL_reentrant_buffer->_gethostent_size *= 2; |
715 | Renew(PL_reentrant_buffer->_gethostent_buffer, |
716 | PL_reentrant_buffer->_gethostent_size, char); |
717 | switch (PL_op->op_type) { |
718 | case OP_GHBYADDR: |
719 | p0 = va_arg(ap, void *); |
720 | asize = va_arg(ap, size_t); |
721 | anint = va_arg(ap, int); |
722 | retptr = gethostbyaddr(p0, asize, anint); break; |
723 | case OP_GHBYNAME: |
724 | p0 = va_arg(ap, void *); |
725 | retptr = gethostbyname(p0); break; |
726 | case OP_GHOSTENT: |
727 | retptr = gethostent(); break; |
728 | default: |
729 | break; |
730 | } |
731 | } |
732 | } |
733 | break; |
734 | #endif |
735 | #ifdef USE_GETGRENT_BUFFER |
736 | case OP_GGRNAM: |
737 | case OP_GGRGID: |
738 | case OP_GGRENT: |
739 | { |
740 | if (PL_reentrant_buffer->_getgrent_size <= REENTRANTHALFMAXSIZE) { |
741 | Gid_t gid; |
742 | PL_reentrant_buffer->_getgrent_size *= 2; |
743 | Renew(PL_reentrant_buffer->_getgrent_buffer, |
744 | PL_reentrant_buffer->_getgrent_size, char); |
745 | switch (PL_op->op_type) { |
746 | case OP_GGRNAM: |
747 | p0 = va_arg(ap, void *); |
748 | retptr = getgrnam(p0); break; |
749 | case OP_GGRGID: |
750 | gid = va_arg(ap, Gid_t); |
751 | retptr = getgrgid(gid); break; |
752 | case OP_GGRENT: |
753 | retptr = getgrent(); break; |
754 | default: |
755 | break; |
756 | } |
757 | } |
758 | } |
759 | break; |
760 | #endif |
761 | #ifdef USE_GETNETENT_BUFFER |
762 | case OP_GNBYADDR: |
763 | case OP_GNBYNAME: |
764 | case OP_GNETENT: |
765 | { |
766 | if (PL_reentrant_buffer->_getnetent_size <= REENTRANTHALFMAXSIZE) { |
767 | Netdb_net_t net; |
768 | PL_reentrant_buffer->_getnetent_size *= 2; |
769 | Renew(PL_reentrant_buffer->_getnetent_buffer, |
770 | PL_reentrant_buffer->_getnetent_size, char); |
771 | switch (PL_op->op_type) { |
772 | case OP_GNBYADDR: |
773 | net = va_arg(ap, Netdb_net_t); |
774 | anint = va_arg(ap, int); |
775 | retptr = getnetbyaddr(net, anint); break; |
776 | case OP_GNBYNAME: |
777 | p0 = va_arg(ap, void *); |
778 | retptr = getnetbyname(p0); break; |
779 | case OP_GNETENT: |
780 | retptr = getnetent(); break; |
781 | default: |
782 | break; |
783 | } |
784 | } |
785 | } |
786 | break; |
787 | #endif |
788 | #ifdef USE_GETPWENT_BUFFER |
789 | case OP_GPWNAM: |
790 | case OP_GPWUID: |
791 | case OP_GPWENT: |
792 | { |
793 | if (PL_reentrant_buffer->_getpwent_size <= REENTRANTHALFMAXSIZE) { |
794 | Uid_t uid; |
795 | PL_reentrant_buffer->_getpwent_size *= 2; |
796 | Renew(PL_reentrant_buffer->_getpwent_buffer, |
797 | PL_reentrant_buffer->_getpwent_size, char); |
798 | switch (PL_op->op_type) { |
799 | case OP_GPWNAM: |
800 | p0 = va_arg(ap, void *); |
801 | retptr = getpwnam(p0); break; |
802 | case OP_GPWUID: |
803 | uid = va_arg(ap, Uid_t); |
804 | retptr = getpwuid(uid); break; |
805 | case OP_GPWENT: |
806 | retptr = getpwent(); break; |
807 | default: |
808 | break; |
809 | } |
810 | } |
811 | } |
812 | break; |
813 | #endif |
814 | #ifdef USE_GETPROTOENT_BUFFER |
815 | case OP_GPBYNAME: |
816 | case OP_GPBYNUMBER: |
817 | case OP_GPROTOENT: |
818 | { |
819 | if (PL_reentrant_buffer->_getprotoent_size <= REENTRANTHALFMAXSIZE) { |
820 | PL_reentrant_buffer->_getprotoent_size *= 2; |
821 | Renew(PL_reentrant_buffer->_getprotoent_buffer, |
822 | PL_reentrant_buffer->_getprotoent_size, char); |
823 | switch (PL_op->op_type) { |
824 | case OP_GPBYNAME: |
825 | p0 = va_arg(ap, void *); |
826 | retptr = getprotobyname(p0); break; |
827 | case OP_GPBYNUMBER: |
828 | anint = va_arg(ap, int); |
829 | retptr = getprotobynumber(anint); break; |
830 | case OP_GPROTOENT: |
831 | retptr = getprotoent(); break; |
832 | default: |
833 | break; |
834 | } |
835 | } |
836 | } |
837 | break; |
838 | #endif |
839 | #ifdef USE_GETSERVENT_BUFFER |
840 | case OP_GSBYNAME: |
841 | case OP_GSBYPORT: |
842 | case OP_GSERVENT: |
843 | { |
844 | if (PL_reentrant_buffer->_getservent_size <= REENTRANTHALFMAXSIZE) { |
845 | PL_reentrant_buffer->_getservent_size *= 2; |
846 | Renew(PL_reentrant_buffer->_getservent_buffer, |
847 | PL_reentrant_buffer->_getservent_size, char); |
848 | switch (PL_op->op_type) { |
849 | case OP_GSBYNAME: |
850 | p0 = va_arg(ap, void *); |
851 | p1 = va_arg(ap, void *); |
852 | retptr = getservbyname(p0, p1); break; |
853 | case OP_GSBYPORT: |
854 | anint = va_arg(ap, int); |
855 | p0 = va_arg(ap, void *); |
856 | retptr = getservbyport(anint, p0); break; |
857 | case OP_GSERVENT: |
858 | retptr = getservent(); break; |
859 | default: |
860 | break; |
861 | } |
862 | } |
863 | } |
864 | break; |
865 | #endif |
866 | default: |
867 | /* Not known how to retry, so just fail. */ |
868 | break; |
869 | } |
870 | |
871 | va_end(ap); |
872 | #endif |
873 | return retptr; |
874 | } |
875 | |
10bc17b6 |
876 | EOF |
877 | |
878 | __DATA__ |
879 | asctime S |time |const struct tm|B_SB|B_SBI|I_SB|I_SBI |
880 | crypt CC |crypt |struct crypt_data|B_CCS |
881 | ctermid B |stdio | |B_B |
882 | ctime S |time |const time_t |B_SB|B_SBI|I_SB|I_SBI |
883 | drand48 |stdlib |struct drand48_data |I_ST|T=double* |
884 | endgrent |grp | |I_H|V_H |
885 | endhostent |netdb |struct hostent_data |I_S|V_S |
886 | endnetent |netdb |struct netent_data |I_S|V_S |
887 | endprotoent |netdb |struct protoent_data |I_S|V_S |
888 | endpwent |pwd | |I_H|V_H |
889 | endservent |netdb |struct servent_data |I_S|V_S |
890 | getgrent |grp |struct group |I_SBWR|I_SBIR|S_SBW|S_SBI|I_SBI|I_SBIH |
891 | getgrgid T |grp |struct group |I_TSBWR|I_TSBIR|I_TSBI|S_TSBI|T=gid_t |
892 | getgrnam C |grp |struct group |I_CSBWR|I_CSBIR|S_CBI|I_CSBI|S_CSBI |
893 | gethostbyaddr CWI |netdb |struct hostent |I_CWISBWRE|S_CWISBWIE|S_CWISBIE|S_TWISBIE|S_CIISBIE|S_CSBIE|S_TSBIE|I_CWISD|I_CIISD|I_CII|D=struct hostent_data*|T=const void* |
894 | gethostbyname C |netdb |struct hostent |I_CSBWRE|S_CSBIE|I_CSD|D=struct hostent_data* |
895 | gethostent |netdb |struct hostent |I_SBWRE|I_SBIE|S_SBIE|S_SBI|I_SBI|I_SD|D=struct hostent_data* |
896 | getlogin |unistd | |I_BW|I_BI|B_BW|B_BI |
897 | getnetbyaddr LI |netdb |struct netent |I_UISBWRE|I_LISBI|S_TISBI|S_LISBI|I_TISD|I_LISD|I_IISD|D=struct netent_data*|T=in_addr_t|U=unsigned long |
898 | getnetbyname C |netdb |struct netent |I_CSBWRE|I_CSBI|S_CSBI|I_CSD|D=struct netent_data* |
899 | getnetent |netdb |struct netent |I_SBWRE|I_SBIE|S_SBIE|S_SBI|I_SBI|I_SD|D=struct netent_data* |
900 | getprotobyname C|netdb |struct protoent|I_CSBWR|S_CSBI|I_CSD|D=struct protoent_data* |
901 | getprotobynumber I |netdb |struct protoent|I_ISBWR|S_ISBI|I_ISD|D=struct protoent_data* |
902 | getprotoent |netdb |struct protoent|I_SBWR|I_SBI|S_SBI|I_SD|D=struct protoent_data* |
903 | getpwent |pwd |struct passwd |I_SBWR|I_SBIR|S_SBW|S_SBI|I_SBI|I_SBIH |
904 | getpwnam C |pwd |struct passwd |I_CSBWR|I_CSBIR|S_CSBI|I_CSBI |
905 | getpwuid T |pwd |struct passwd |I_TSBWR|I_TSBIR|I_TSBI|S_TSBI|T=uid_t |
906 | getservbyname CC|netdb |struct servent |I_CCSBWR|S_CCSBI|I_CCSD|D=struct servent_data* |
907 | getservbyport IC|netdb |struct servent |I_ICSBWR|S_ICSBI|I_ICSD|D=struct servent_data* |
908 | getservent |netdb |struct servent |I_SBWR|I_SBI|S_SBI|I_SD|D=struct servent_data* |
909 | getspnam C |shadow |struct spwd |I_CSBWR|S_CSBI |
910 | gmtime T |time |struct tm |S_TS|I_TS|T=const time_t* |
911 | localtime T |time |struct tm |S_TS|I_TS|T=const time_t* |
912 | random |stdlib |struct random_data|I_TS|T=int* |
913 | readdir T |dirent |struct dirent |I_TSR|I_TS|T=DIR* |
914 | readdir64 T |dirent |struct dirent64|I_TSR|I_TS|T=DIR* |
915 | setgrent |grp | |I_H|V_H |
916 | sethostent I |netdb | |I_ID|V_ID|D=struct hostent_data* |
917 | setlocale IC |locale | |I_ICBI |
918 | setnetent I |netdb | |I_ID|V_ID|D=struct netent_data* |
919 | setprotoent I |netdb | |I_ID|V_ID|D=struct protoent_data* |
920 | setpwent |pwd | |I_H|V_H |
921 | setservent I |netdb | |I_ID|V_ID|D=struct servent_data* |
922 | srand48 L |stdlib |struct drand48_data |I_LS |
923 | srandom T |stdlib |struct random_data|I_TS|T=unsigned int |
924 | strerror I |string | |I_IBW|I_IBI|B_IBW |
925 | tmpnam B |stdio | |B_B |
926 | ttyname I |unistd | |I_IBW|I_IBI|B_IBI |