Commit | Line | Data |
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10bc17b6 JH |
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 JH |
67 | # undef HAS_ENDGRENT_R |
68 | # undef HAS_ENDPWENT_R | |
10bc17b6 JH |
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 | } | |
31ee0cb7 JH |
164 | my $prereqs = ''; |
165 | my $prereqh = ''; | |
166 | my $prereqsh = ''; | |
167 | if ($h ne 'stdio') { # There's no i_stdio. | |
168 | $prereqs = "i_$h"; | |
169 | $prereqh = "$h.h"; | |
170 | $prereqsh = "\$$prereqs $prereqh"; | |
171 | } | |
d63eadf0 | 172 | if ($opts{U}) { |
1fdb6f84 JH |
173 | my @prereq = qw(Inlibc Protochk Hasproto i_systypes usethreads); |
174 | push @prereq, $prereqs; | |
175 | my $hdrs = "\$i_systypes sys/types.h define stdio.h $prereqsh"; | |
176 | if ($h eq 'time') { | |
177 | $hdrs .= " \$i_systime sys/time.h"; | |
178 | push @prereq, 'i_systime'; | |
179 | } | |
d63eadf0 | 180 | print <<EOF; |
10bc17b6 JH |
181 | ?RCS: \$Id: d_${f}_r.U,v $ |
182 | ?RCS: | |
183 | ?RCS: Copyright (c) 2002 Jarkko Hietaniemi | |
184 | ?RCS: | |
185 | ?RCS: You may distribute under the terms of either the GNU General Public | |
186 | ?RCS: License or the Artistic License, as specified in the README file. | |
187 | ?RCS: | |
188 | ?RCS: Generated by the reentr.pl from the Perl 5.8 distribution. | |
189 | ?RCS: | |
1fdb6f84 | 190 | ?MAKE:d_${f}_r ${f}_r_proto: @prereq |
10bc17b6 JH |
191 | ?MAKE: -pick add \$@ %< |
192 | ?S:d_${f}_r: | |
193 | ?S: This variable conditionally defines the HAS_${F}_R symbol, | |
194 | ?S: which indicates to the C program that the ${f}_r() | |
195 | ?S: routine is available. | |
196 | ?S:. | |
197 | ?S:${f}_r_proto: | |
198 | ?S: This variable encodes the prototype of ${f}_r. | |
199 | ?S:. | |
200 | ?C:HAS_${F}_R: | |
201 | ?C: This symbol, if defined, indicates that the ${f}_r routine | |
202 | ?C: is available to ${f} re-entrantly. | |
203 | ?C:. | |
204 | ?C:${F}_R_PROTO: | |
205 | ?C: This symbol encodes the prototype of ${f}_r. | |
206 | ?C:. | |
207 | ?H:#\$d_${f}_r HAS_${F}_R /**/ | |
208 | ?H:#define ${F}_R_PROTO \$${f}_r_proto /**/ | |
209 | ?H:. | |
a48ec845 | 210 | ?T:try hdrs d_${f}_r_proto |
10bc17b6 JH |
211 | ?LINT:set d_${f}_r |
212 | ?LINT:set ${f}_r_proto | |
213 | : see if ${f}_r exists | |
214 | set ${f}_r d_${f}_r | |
215 | eval \$inlibc | |
216 | case "\$d_${f}_r" in | |
217 | "\$define") | |
d63eadf0 | 218 | EOF |
d63eadf0 JH |
219 | print <<EOF; |
220 | hdrs="$hdrs" | |
c18e646a JH |
221 | case "\$d_${f}_r_proto:\$usethreads" in |
222 | ":define") d_${f}_r_proto=define | |
a48ec845 JH |
223 | set d_${f}_r_proto ${f}_r \$hdrs |
224 | eval \$hasproto ;; | |
225 | *) ;; | |
226 | esac | |
227 | case "\$d_${f}_r_proto" in | |
228 | define) | |
10bc17b6 | 229 | EOF |
d63eadf0 JH |
230 | } |
231 | for my $p (@p) { | |
232 | my ($r, $a) = ($p =~ /^(.)_(.+)/); | |
233 | my $v = join(", ", map { $m{$_} } split '', $a); | |
234 | if ($opts{U}) { | |
235 | print <<EOF ; | |
10bc17b6 JH |
236 | case "\$${f}_r_proto" in |
237 | ''|0) try='$m{$r} ${f}_r($v);' | |
238 | ./protochk "extern \$try" \$hdrs && ${f}_r_proto=$p ;; | |
239 | esac | |
240 | EOF | |
d63eadf0 JH |
241 | } |
242 | $seenh{$f}->{$p}++; | |
243 | push @{$seena{$f}}, $p; | |
244 | $seenp{$p}++; | |
245 | $seent{$f} = $t; | |
246 | $seens{$f} = $m{S}; | |
247 | $seend{$f} = $m{D}; | |
248 | } | |
249 | if ($opts{U}) { | |
250 | print <<EOF; | |
10bc17b6 | 251 | case "\$${f}_r_proto" in |
90e831dc | 252 | ''|0) d_${f}_r=undef |
10bc17b6 | 253 | ${f}_r_proto=0 |
a48ec845 | 254 | echo "Disabling ${f}_r, cannot determine prototype." >&4 ;; |
10bc17b6 JH |
255 | * ) case "\$${f}_r_proto" in |
256 | REENTRANT_PROTO*) ;; | |
257 | *) ${f}_r_proto="REENTRANT_PROTO_\$${f}_r_proto" ;; | |
258 | esac | |
259 | echo "Prototype: \$try" ;; | |
260 | esac | |
261 | ;; | |
c18e646a JH |
262 | *) case "\$usethreads" in |
263 | define) echo "${f}_r has no prototype, not using it." >&4 ;; | |
264 | esac | |
90e831dc SB |
265 | d_${f}_r=undef |
266 | ${f}_r_proto=0 | |
c18e646a | 267 | ;; |
a48ec845 JH |
268 | esac |
269 | ;; | |
10bc17b6 JH |
270 | *) ${f}_r_proto=0 |
271 | ;; | |
272 | esac | |
273 | ||
274 | EOF | |
275 | close(U); | |
276 | } | |
277 | } | |
278 | ||
279 | close DATA; | |
280 | ||
281 | select H; | |
282 | ||
283 | { | |
284 | my $i = 1; | |
285 | for my $p (sort keys %seenp) { | |
286 | print "#define REENTRANT_PROTO_${p} ${i}\n"; | |
287 | $i++; | |
288 | } | |
289 | } | |
290 | ||
291 | sub ifprotomatch { | |
292 | my $F = shift; | |
293 | join " || ", map { "${F}_R_PROTO == REENTRANT_PROTO_$_" } @_; | |
294 | } | |
295 | ||
296 | my @struct; | |
297 | my @size; | |
298 | my @init; | |
299 | my @free; | |
300 | my @wrap; | |
301 | my @define; | |
302 | ||
303 | sub pushssif { | |
304 | push @struct, @_; | |
305 | push @size, @_; | |
306 | push @init, @_; | |
307 | push @free, @_; | |
308 | } | |
309 | ||
310 | sub pushinitfree { | |
311 | my $f = shift; | |
312 | push @init, <<EOF; | |
313 | New(31338, PL_reentrant_buffer->_${f}_buffer, PL_reentrant_buffer->_${f}_size, char); | |
314 | EOF | |
315 | push @free, <<EOF; | |
316 | Safefree(PL_reentrant_buffer->_${f}_buffer); | |
317 | EOF | |
318 | } | |
319 | ||
320 | sub define { | |
321 | my ($n, $p, @F) = @_; | |
322 | my @H; | |
323 | my $H = uc $F[0]; | |
324 | push @define, <<EOF; | |
325 | /* The @F using \L$n? */ | |
326 | ||
327 | EOF | |
f7937171 | 328 | my $G; |
10bc17b6 JH |
329 | for my $f (@F) { |
330 | my $F = uc $f; | |
331 | my $h = "${F}_R_HAS_$n"; | |
332 | push @H, $h; | |
333 | my @h = grep { /$p/ } @{$seena{$f}}; | |
f7937171 JH |
334 | unless (defined $G) { |
335 | $G = $F; | |
336 | $G =~ s/^GET//; | |
337 | } | |
10bc17b6 | 338 | if (@h) { |
09310450 | 339 | push @define, "#if defined(HAS_${F}_R) && (" . join(" || ", map { "${F}_R_PROTO == REENTRANT_PROTO_$_" } @h) . ")\n"; |
10bc17b6 JH |
340 | |
341 | push @define, <<EOF; | |
342 | # define $h | |
343 | #else | |
344 | # undef $h | |
345 | #endif | |
346 | EOF | |
347 | } | |
348 | } | |
349 | push @define, <<EOF; | |
350 | ||
351 | /* Any of the @F using \L$n? */ | |
352 | ||
353 | EOF | |
354 | push @define, "#if (" . join(" || ", map { "defined($_)" } @H) . ")\n"; | |
355 | push @define, <<EOF; | |
f7937171 | 356 | # define USE_${G}_$n |
10bc17b6 | 357 | #else |
f7937171 | 358 | # undef USE_${G}_$n |
10bc17b6 JH |
359 | #endif |
360 | ||
361 | EOF | |
362 | } | |
363 | ||
edd309b7 JH |
364 | define('BUFFER', 'B', |
365 | qw(getgrent getgrgid getgrnam)); | |
366 | ||
10bc17b6 JH |
367 | define('PTR', 'R', |
368 | qw(getgrent getgrgid getgrnam)); | |
369 | define('PTR', 'R', | |
370 | qw(getpwent getpwnam getpwuid)); | |
371 | define('PTR', 'R', | |
372 | qw(getspent getspnam)); | |
373 | ||
374 | define('FPTR', 'H', | |
f7937171 | 375 | qw(getgrent getgrgid getgrnam setgrent endgrent)); |
10bc17b6 | 376 | define('FPTR', 'H', |
f7937171 | 377 | qw(getpwent getpwnam getpwuid setpwent endpwent)); |
10bc17b6 | 378 | |
edd309b7 JH |
379 | define('BUFFER', 'B', |
380 | qw(getpwent getpwgid getpwnam)); | |
381 | ||
10bc17b6 JH |
382 | define('PTR', 'R', |
383 | qw(gethostent gethostbyaddr gethostbyname)); | |
384 | define('PTR', 'R', | |
385 | qw(getnetent getnetbyaddr getnetbyname)); | |
386 | define('PTR', 'R', | |
387 | qw(getprotoent getprotobyname getprotobynumber)); | |
388 | define('PTR', 'R', | |
389 | qw(getservent getservbyname getservbyport)); | |
390 | ||
edd309b7 JH |
391 | define('BUFFER', 'B', |
392 | qw(gethostent gethostbyaddr gethostbyname)); | |
393 | define('BUFFER', 'B', | |
394 | qw(getnetent getnetbyaddr getnetbyname)); | |
395 | define('BUFFER', 'B', | |
396 | qw(getprotoent getprotobyname getprotobynumber)); | |
397 | define('BUFFER', 'B', | |
398 | qw(getservent getservbyname getservbyport)); | |
399 | ||
10bc17b6 JH |
400 | define('ERRNO', 'E', |
401 | qw(gethostent gethostbyaddr gethostbyname)); | |
402 | define('ERRNO', 'E', | |
403 | qw(getnetent getnetbyaddr getnetbyname)); | |
404 | ||
405 | for my $f (@seenf) { | |
406 | my $F = uc $f; | |
407 | my $ifdef = "#ifdef HAS_${F}_R\n"; | |
408 | my $endif = "#endif /* HAS_${F}_R */\n"; | |
409 | if (exists $seena{$f}) { | |
410 | my @p = @{$seena{$f}}; | |
411 | if ($f =~ /^(asctime|ctime|getlogin|setlocale|strerror|ttyname)$/) { | |
412 | pushssif $ifdef; | |
413 | push @struct, <<EOF; | |
414 | char* _${f}_buffer; | |
415 | size_t _${f}_size; | |
416 | EOF | |
417 | push @size, <<EOF; | |
8695fa85 | 418 | PL_reentrant_buffer->_${f}_size = REENTRANTSMALLSIZE; |
10bc17b6 JH |
419 | EOF |
420 | pushinitfree $f; | |
421 | pushssif $endif; | |
422 | } | |
b430fd04 | 423 | elsif ($f =~ /^(crypt)$/) { |
10bc17b6 JH |
424 | pushssif $ifdef; |
425 | push @struct, <<EOF; | |
b430fd04 JH |
426 | #if CRYPT_R_PROTO == REENTRANT_PROTO_B_CCD |
427 | $seend{$f} _${f}_data; | |
428 | #else | |
10bc17b6 | 429 | $seent{$f} _${f}_struct; |
b430fd04 | 430 | #endif |
10bc17b6 | 431 | EOF |
b430fd04 | 432 | push @init, <<EOF; |
10bc17b6 JH |
433 | #ifdef __GLIBC__ |
434 | PL_reentrant_buffer->_${f}_struct.initialized = 0; | |
435 | #endif | |
436 | EOF | |
b430fd04 JH |
437 | pushssif $endif; |
438 | } | |
439 | elsif ($f =~ /^(drand48|gmtime|localtime|random)$/) { | |
440 | pushssif $ifdef; | |
441 | push @struct, <<EOF; | |
442 | $seent{$f} _${f}_struct; | |
443 | EOF | |
10bc17b6 JH |
444 | if ($1 eq 'drand48') { |
445 | push @struct, <<EOF; | |
446 | double _${f}_double; | |
447 | EOF | |
448 | } | |
449 | pushssif $endif; | |
450 | } | |
451 | elsif ($f =~ /^(getgrnam|getpwnam|getspnam)$/) { | |
452 | pushssif $ifdef; | |
453 | my $g = $f; | |
454 | $g =~ s/nam/ent/g; | |
f7937171 | 455 | $g =~ s/^get//; |
10bc17b6 JH |
456 | my $G = uc $g; |
457 | push @struct, <<EOF; | |
458 | $seent{$f} _${g}_struct; | |
459 | char* _${g}_buffer; | |
460 | size_t _${g}_size; | |
461 | EOF | |
462 | push @struct, <<EOF; | |
463 | # ifdef USE_${G}_PTR | |
464 | $seent{$f}* _${g}_ptr; | |
465 | # endif | |
466 | EOF | |
467 | if ($g eq 'getspent') { | |
468 | push @size, <<EOF; | |
469 | PL_reentrant_buffer->_${g}_size = 1024; | |
470 | EOF | |
471 | } else { | |
472 | push @struct, <<EOF; | |
473 | # ifdef USE_${G}_FPTR | |
474 | FILE* _${g}_fptr; | |
475 | # endif | |
476 | EOF | |
477 | push @init, <<EOF; | |
478 | # ifdef USE_${G}_FPTR | |
479 | PL_reentrant_buffer->_${g}_fptr = NULL; | |
480 | # endif | |
481 | EOF | |
482 | my $sc = $g eq 'getgrent' ? | |
483 | '_SC_GETGR_R_SIZE_MAX' : '_SC_GETPW_R_SIZE_MAX'; | |
e3410746 | 484 | my $sz = $g eq 'getgrent' ? |
f7937171 | 485 | '_grent_size' : '_pwent_size'; |
10bc17b6 JH |
486 | push @size, <<EOF; |
487 | # if defined(HAS_SYSCONF) && defined($sc) && !defined(__GLIBC__) | |
488 | PL_reentrant_buffer->_${g}_size = sysconf($sc); | |
e3410746 SR |
489 | if (PL_reentrant_buffer->$sz == -1) |
490 | PL_reentrant_buffer->$sz = REENTRANTUSUALSIZE; | |
10bc17b6 JH |
491 | # else |
492 | # if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ) | |
493 | PL_reentrant_buffer->_${g}_size = SIABUFSIZ; | |
494 | # else | |
495 | # ifdef __sgi | |
496 | PL_reentrant_buffer->_${g}_size = BUFSIZ; | |
497 | # else | |
8695fa85 | 498 | PL_reentrant_buffer->_${g}_size = REENTRANTUSUALSIZE; |
10bc17b6 JH |
499 | # endif |
500 | # endif | |
501 | # endif | |
502 | EOF | |
503 | } | |
504 | pushinitfree $g; | |
505 | pushssif $endif; | |
506 | } | |
507 | elsif ($f =~ /^(gethostbyname|getnetbyname|getservbyname|getprotobyname)$/) { | |
508 | pushssif $ifdef; | |
509 | my $g = $f; | |
510 | $g =~ s/byname/ent/; | |
f7937171 | 511 | $g =~ s/^get//; |
10bc17b6 JH |
512 | my $G = uc $g; |
513 | my $D = ifprotomatch($F, grep {/D/} @p); | |
514 | my $d = $seend{$f}; | |
31ee0cb7 | 515 | $d =~ s/\*$//; # snip: we need need the base type. |
10bc17b6 JH |
516 | push @struct, <<EOF; |
517 | $seent{$f} _${g}_struct; | |
518 | # if $D | |
519 | $d _${g}_data; | |
520 | # else | |
521 | char* _${g}_buffer; | |
522 | size_t _${g}_size; | |
523 | # endif | |
524 | # ifdef USE_${G}_PTR | |
525 | $seent{$f}* _${g}_ptr; | |
526 | # endif | |
527 | EOF | |
528 | push @struct, <<EOF; | |
529 | # ifdef USE_${G}_ERRNO | |
530 | int _${g}_errno; | |
531 | # endif | |
532 | EOF | |
533 | push @size, <<EOF; | |
534 | #if !($D) | |
8695fa85 | 535 | PL_reentrant_buffer->_${g}_size = REENTRANTUSUALSIZE; |
10bc17b6 JH |
536 | #endif |
537 | EOF | |
538 | push @init, <<EOF; | |
539 | #if !($D) | |
540 | New(31338, PL_reentrant_buffer->_${g}_buffer, PL_reentrant_buffer->_${g}_size, char); | |
541 | #endif | |
542 | EOF | |
543 | push @free, <<EOF; | |
544 | #if !($D) | |
545 | Safefree(PL_reentrant_buffer->_${g}_buffer); | |
546 | #endif | |
547 | EOF | |
548 | pushssif $endif; | |
549 | } | |
550 | elsif ($f =~ /^(readdir|readdir64)$/) { | |
551 | pushssif $ifdef; | |
552 | my $R = ifprotomatch($F, grep {/R/} @p); | |
553 | push @struct, <<EOF; | |
554 | $seent{$f}* _${f}_struct; | |
555 | size_t _${f}_size; | |
556 | # if $R | |
557 | $seent{$f}* _${f}_ptr; | |
558 | # endif | |
559 | EOF | |
560 | push @size, <<EOF; | |
561 | /* This is the size Solaris recommends. | |
562 | * (though we go static, should use pathconf() instead) */ | |
563 | PL_reentrant_buffer->_${f}_size = sizeof($seent{$f}) + MAXPATHLEN + 1; | |
564 | EOF | |
565 | push @init, <<EOF; | |
566 | PL_reentrant_buffer->_${f}_struct = ($seent{$f}*)safemalloc(PL_reentrant_buffer->_${f}_size); | |
567 | EOF | |
568 | push @free, <<EOF; | |
569 | Safefree(PL_reentrant_buffer->_${f}_struct); | |
570 | EOF | |
571 | pushssif $endif; | |
572 | } | |
573 | ||
574 | push @wrap, $ifdef; | |
575 | ||
10bc17b6 JH |
576 | push @wrap, <<EOF; |
577 | # undef $f | |
578 | EOF | |
579 | my @v = 'a'..'z'; | |
580 | my $v = join(", ", @v[0..$seenu{$f}-1]); | |
581 | for my $p (@p) { | |
582 | my ($r, $a) = split '_', $p; | |
583 | my $test = $r eq 'I' ? ' == 0' : ''; | |
584 | my $true = 1; | |
10bc17b6 JH |
585 | my $g = $f; |
586 | if ($g =~ /^(?:get|set|end)(pw|gr|host|net|proto|serv|sp)/) { | |
f7937171 | 587 | $g = "$1ent"; |
10bc17b6 JH |
588 | } elsif ($g eq 'srand48') { |
589 | $g = "drand48"; | |
590 | } | |
591 | my $b = $a; | |
592 | my $w = ''; | |
593 | substr($b, 0, $seenu{$f}) = ''; | |
594 | if ($b =~ /R/) { | |
595 | $true = "PL_reentrant_buffer->_${g}_ptr"; | |
596 | } elsif ($b =~ /T/ && $f eq 'drand48') { | |
597 | $true = "PL_reentrant_buffer->_${g}_double"; | |
598 | } elsif ($b =~ /S/) { | |
599 | if ($f =~ /^readdir/) { | |
600 | $true = "PL_reentrant_buffer->_${g}_struct"; | |
601 | } else { | |
602 | $true = "&PL_reentrant_buffer->_${g}_struct"; | |
603 | } | |
604 | } elsif ($b =~ /B/) { | |
605 | $true = "PL_reentrant_buffer->_${g}_buffer"; | |
606 | } | |
607 | if (length $b) { | |
608 | $w = join ", ", | |
609 | map { | |
610 | $_ eq 'R' ? | |
611 | "&PL_reentrant_buffer->_${g}_ptr" : | |
612 | $_ eq 'E' ? | |
613 | "&PL_reentrant_buffer->_${g}_errno" : | |
614 | $_ eq 'B' ? | |
615 | "PL_reentrant_buffer->_${g}_buffer" : | |
616 | $_ =~ /^[WI]$/ ? | |
617 | "PL_reentrant_buffer->_${g}_size" : | |
618 | $_ eq 'H' ? | |
619 | "&PL_reentrant_buffer->_${g}_fptr" : | |
620 | $_ eq 'D' ? | |
621 | "&PL_reentrant_buffer->_${g}_data" : | |
622 | $_ eq 'S' ? | |
623 | ($f =~ /^readdir/ ? | |
624 | "PL_reentrant_buffer->_${g}_struct" : | |
625 | "&PL_reentrant_buffer->_${g}_struct" ) : | |
626 | $_ eq 'T' && $f eq 'drand48' ? | |
627 | "&PL_reentrant_buffer->_${g}_double" : | |
628 | $_ | |
629 | } split '', $b; | |
630 | $w = ", $w" if length $v; | |
631 | } | |
632 | my $call = "${f}_r($v$w)"; | |
633 | $call = "((errno = $call))" if $r eq 'I'; | |
634 | push @wrap, <<EOF; | |
635 | # if !defined($f) && ${F}_R_PROTO == REENTRANT_PROTO_$p | |
636 | EOF | |
637 | if ($r eq 'V' || $r eq 'B') { | |
638 | push @wrap, <<EOF; | |
639 | # define $f($v) $call | |
640 | EOF | |
641 | } else { | |
edd309b7 JH |
642 | if ($f =~ /^get/) { |
643 | my $rv = $v ? ", $v" : ""; | |
644 | push @wrap, <<EOF; | |
645 | # define $f($v) ($call$test ? $true : (errno == ERANGE ? Perl_reentrant_retry("$f"$rv) : 0)) | |
10bc17b6 | 646 | EOF |
edd309b7 JH |
647 | } else { |
648 | push @wrap, <<EOF; | |
649 | # define $f($v) ($call$test ? $true : 0) | |
650 | EOF | |
651 | } | |
10bc17b6 JH |
652 | } |
653 | push @wrap, <<EOF; | |
654 | # endif | |
655 | EOF | |
656 | } | |
657 | ||
658 | push @wrap, $endif, "\n"; | |
659 | } | |
660 | } | |
661 | ||
662 | local $" = ''; | |
663 | ||
664 | print <<EOF; | |
665 | ||
666 | /* Defines for indicating which special features are supported. */ | |
667 | ||
668 | @define | |
669 | typedef struct { | |
670 | @struct | |
671 | } REENTR; | |
672 | ||
673 | /* The wrappers. */ | |
674 | ||
675 | @wrap | |
676 | #endif /* USE_REENTRANT_API */ | |
677 | ||
678 | #endif | |
679 | ||
680 | EOF | |
681 | ||
682 | close(H); | |
683 | ||
684 | die "reentr.c: $!" unless open(C, ">reentr.c"); | |
685 | select C; | |
686 | print <<EOF; | |
687 | /* | |
688 | * reentr.c | |
689 | * | |
690 | * Copyright (c) 1997-2002, Larry Wall | |
691 | * | |
692 | * You may distribute under the terms of either the GNU General Public | |
693 | * License or the Artistic License, as specified in the README file. | |
694 | * | |
695 | * !!!!!!! DO NOT EDIT THIS FILE !!!!!!! | |
696 | * This file is built by reentrl.pl from data in reentr.pl. | |
697 | * | |
698 | * "Saruman," I said, standing away from him, "only one hand at a time can | |
699 | * wield the One, and you know that well, so do not trouble to say we!" | |
700 | * | |
701 | */ | |
702 | ||
703 | #include "EXTERN.h" | |
704 | #define PERL_IN_REENTR_C | |
705 | #include "perl.h" | |
706 | #include "reentr.h" | |
707 | ||
708 | void | |
709 | Perl_reentrant_size(pTHX) { | |
710 | #ifdef USE_REENTRANT_API | |
8695fa85 SR |
711 | #define REENTRANTSMALLSIZE 256 /* Make something up. */ |
712 | #define REENTRANTUSUALSIZE 4096 /* Make something up. */ | |
10bc17b6 JH |
713 | @size |
714 | #endif /* USE_REENTRANT_API */ | |
715 | } | |
716 | ||
717 | void | |
718 | Perl_reentrant_init(pTHX) { | |
719 | #ifdef USE_REENTRANT_API | |
720 | New(31337, PL_reentrant_buffer, 1, REENTR); | |
721 | Perl_reentrant_size(aTHX); | |
722 | @init | |
723 | #endif /* USE_REENTRANT_API */ | |
724 | } | |
725 | ||
726 | void | |
727 | Perl_reentrant_free(pTHX) { | |
728 | #ifdef USE_REENTRANT_API | |
729 | @free | |
730 | Safefree(PL_reentrant_buffer); | |
731 | #endif /* USE_REENTRANT_API */ | |
732 | } | |
733 | ||
edd309b7 JH |
734 | void* |
735 | Perl_reentrant_retry(const char *f, ...) | |
736 | { | |
737 | dTHX; | |
738 | void *retptr = NULL; | |
739 | #ifdef USE_REENTRANT_API | |
f7937171 | 740 | # if defined(USE_HOSTENT_BUFFER) || defined(USE_GRENT_BUFFER) || defined(USE_NETENT_BUFFER) || defined(USE_PWENT_BUFFER) || defined(USE_PROTOENT_BUFFER) || defined(USE_SRVENT_BUFFER) |
e3410746 SR |
741 | void *p0; |
742 | # endif | |
f7937171 | 743 | # if defined(USE_SERVENT_BUFFER) |
e3410746 SR |
744 | void *p1; |
745 | # endif | |
f7937171 | 746 | # if defined(USE_HOSTENT_BUFFER) |
edd309b7 | 747 | size_t asize; |
e3410746 | 748 | # endif |
f7937171 | 749 | # if defined(USE_HOSTENT_BUFFER) || defined(USE_NETENT_BUFFER) || defined(USE_PROTOENT_BUFFER) || defined(USE_SERVENT_BUFFER) |
edd309b7 | 750 | int anint; |
e3410746 | 751 | # endif |
edd309b7 JH |
752 | va_list ap; |
753 | ||
754 | va_start(ap, f); | |
755 | ||
756 | #define REENTRANTHALFMAXSIZE 32768 /* The maximum may end up twice this. */ | |
757 | ||
758 | switch (PL_op->op_type) { | |
f7937171 | 759 | #ifdef USE_HOSTENT_BUFFER |
edd309b7 JH |
760 | case OP_GHBYADDR: |
761 | case OP_GHBYNAME: | |
762 | case OP_GHOSTENT: | |
763 | { | |
f7937171 JH |
764 | if (PL_reentrant_buffer->_hostent_size <= REENTRANTHALFMAXSIZE) { |
765 | PL_reentrant_buffer->_hostent_size *= 2; | |
766 | Renew(PL_reentrant_buffer->_hostent_buffer, | |
767 | PL_reentrant_buffer->_hostent_size, char); | |
edd309b7 JH |
768 | switch (PL_op->op_type) { |
769 | case OP_GHBYADDR: | |
770 | p0 = va_arg(ap, void *); | |
771 | asize = va_arg(ap, size_t); | |
772 | anint = va_arg(ap, int); | |
773 | retptr = gethostbyaddr(p0, asize, anint); break; | |
774 | case OP_GHBYNAME: | |
775 | p0 = va_arg(ap, void *); | |
776 | retptr = gethostbyname(p0); break; | |
777 | case OP_GHOSTENT: | |
778 | retptr = gethostent(); break; | |
779 | default: | |
780 | break; | |
781 | } | |
782 | } | |
783 | } | |
784 | break; | |
785 | #endif | |
f7937171 | 786 | #ifdef USE_GRENT_BUFFER |
edd309b7 JH |
787 | case OP_GGRNAM: |
788 | case OP_GGRGID: | |
789 | case OP_GGRENT: | |
790 | { | |
f7937171 | 791 | if (PL_reentrant_buffer->_grent_size <= REENTRANTHALFMAXSIZE) { |
edd309b7 | 792 | Gid_t gid; |
f7937171 JH |
793 | PL_reentrant_buffer->_grent_size *= 2; |
794 | Renew(PL_reentrant_buffer->_grent_buffer, | |
795 | PL_reentrant_buffer->_grent_size, char); | |
edd309b7 JH |
796 | switch (PL_op->op_type) { |
797 | case OP_GGRNAM: | |
798 | p0 = va_arg(ap, void *); | |
799 | retptr = getgrnam(p0); break; | |
800 | case OP_GGRGID: | |
801 | gid = va_arg(ap, Gid_t); | |
802 | retptr = getgrgid(gid); break; | |
803 | case OP_GGRENT: | |
804 | retptr = getgrent(); break; | |
805 | default: | |
806 | break; | |
807 | } | |
808 | } | |
809 | } | |
810 | break; | |
811 | #endif | |
f7937171 | 812 | #ifdef USE_NETENT_BUFFER |
edd309b7 JH |
813 | case OP_GNBYADDR: |
814 | case OP_GNBYNAME: | |
815 | case OP_GNETENT: | |
816 | { | |
f7937171 | 817 | if (PL_reentrant_buffer->_netent_size <= REENTRANTHALFMAXSIZE) { |
edd309b7 | 818 | Netdb_net_t net; |
f7937171 JH |
819 | PL_reentrant_buffer->_netent_size *= 2; |
820 | Renew(PL_reentrant_buffer->_netent_buffer, | |
821 | PL_reentrant_buffer->_netent_size, char); | |
edd309b7 JH |
822 | switch (PL_op->op_type) { |
823 | case OP_GNBYADDR: | |
824 | net = va_arg(ap, Netdb_net_t); | |
825 | anint = va_arg(ap, int); | |
826 | retptr = getnetbyaddr(net, anint); break; | |
827 | case OP_GNBYNAME: | |
828 | p0 = va_arg(ap, void *); | |
829 | retptr = getnetbyname(p0); break; | |
830 | case OP_GNETENT: | |
831 | retptr = getnetent(); break; | |
832 | default: | |
833 | break; | |
834 | } | |
835 | } | |
836 | } | |
837 | break; | |
838 | #endif | |
f7937171 | 839 | #ifdef USE_PWENT_BUFFER |
edd309b7 JH |
840 | case OP_GPWNAM: |
841 | case OP_GPWUID: | |
842 | case OP_GPWENT: | |
843 | { | |
f7937171 | 844 | if (PL_reentrant_buffer->_pwent_size <= REENTRANTHALFMAXSIZE) { |
edd309b7 | 845 | Uid_t uid; |
f7937171 JH |
846 | PL_reentrant_buffer->_pwent_size *= 2; |
847 | Renew(PL_reentrant_buffer->_pwent_buffer, | |
848 | PL_reentrant_buffer->_pwent_size, char); | |
edd309b7 JH |
849 | switch (PL_op->op_type) { |
850 | case OP_GPWNAM: | |
851 | p0 = va_arg(ap, void *); | |
852 | retptr = getpwnam(p0); break; | |
853 | case OP_GPWUID: | |
854 | uid = va_arg(ap, Uid_t); | |
855 | retptr = getpwuid(uid); break; | |
856 | case OP_GPWENT: | |
857 | retptr = getpwent(); break; | |
858 | default: | |
859 | break; | |
860 | } | |
861 | } | |
862 | } | |
863 | break; | |
864 | #endif | |
f7937171 | 865 | #ifdef USE_PROTOENT_BUFFER |
edd309b7 JH |
866 | case OP_GPBYNAME: |
867 | case OP_GPBYNUMBER: | |
868 | case OP_GPROTOENT: | |
869 | { | |
f7937171 JH |
870 | if (PL_reentrant_buffer->_protoent_size <= REENTRANTHALFMAXSIZE) { |
871 | PL_reentrant_buffer->_protoent_size *= 2; | |
872 | Renew(PL_reentrant_buffer->_protoent_buffer, | |
873 | PL_reentrant_buffer->_protoent_size, char); | |
edd309b7 JH |
874 | switch (PL_op->op_type) { |
875 | case OP_GPBYNAME: | |
876 | p0 = va_arg(ap, void *); | |
877 | retptr = getprotobyname(p0); break; | |
878 | case OP_GPBYNUMBER: | |
879 | anint = va_arg(ap, int); | |
880 | retptr = getprotobynumber(anint); break; | |
881 | case OP_GPROTOENT: | |
882 | retptr = getprotoent(); break; | |
883 | default: | |
884 | break; | |
885 | } | |
886 | } | |
887 | } | |
888 | break; | |
889 | #endif | |
f7937171 | 890 | #ifdef USE_SERVENT_BUFFER |
edd309b7 JH |
891 | case OP_GSBYNAME: |
892 | case OP_GSBYPORT: | |
893 | case OP_GSERVENT: | |
894 | { | |
f7937171 JH |
895 | if (PL_reentrant_buffer->_servent_size <= REENTRANTHALFMAXSIZE) { |
896 | PL_reentrant_buffer->_servent_size *= 2; | |
897 | Renew(PL_reentrant_buffer->_servent_buffer, | |
898 | PL_reentrant_buffer->_servent_size, char); | |
edd309b7 JH |
899 | switch (PL_op->op_type) { |
900 | case OP_GSBYNAME: | |
901 | p0 = va_arg(ap, void *); | |
902 | p1 = va_arg(ap, void *); | |
903 | retptr = getservbyname(p0, p1); break; | |
904 | case OP_GSBYPORT: | |
905 | anint = va_arg(ap, int); | |
906 | p0 = va_arg(ap, void *); | |
907 | retptr = getservbyport(anint, p0); break; | |
908 | case OP_GSERVENT: | |
909 | retptr = getservent(); break; | |
910 | default: | |
911 | break; | |
912 | } | |
913 | } | |
914 | } | |
915 | break; | |
916 | #endif | |
917 | default: | |
918 | /* Not known how to retry, so just fail. */ | |
919 | break; | |
920 | } | |
921 | ||
922 | va_end(ap); | |
923 | #endif | |
924 | return retptr; | |
925 | } | |
926 | ||
10bc17b6 JH |
927 | EOF |
928 | ||
929 | __DATA__ | |
930 | asctime S |time |const struct tm|B_SB|B_SBI|I_SB|I_SBI | |
b430fd04 | 931 | crypt CC |crypt |struct crypt_data|B_CCS|B_CCD|D=CRYPTD* |
10bc17b6 JH |
932 | ctermid B |stdio | |B_B |
933 | ctime S |time |const time_t |B_SB|B_SBI|I_SB|I_SBI | |
934 | drand48 |stdlib |struct drand48_data |I_ST|T=double* | |
935 | endgrent |grp | |I_H|V_H | |
31ee0cb7 JH |
936 | endhostent |netdb | |I_D|V_D|D=struct hostent_data* |
937 | endnetent |netdb | |I_D|V_D|D=struct netent_data* | |
938 | endprotoent |netdb | |I_D|V_D|D=struct protoent_data* | |
10bc17b6 | 939 | endpwent |pwd | |I_H|V_H |
31ee0cb7 | 940 | endservent |netdb | |I_D|V_D|D=struct servent_data* |
10bc17b6 JH |
941 | getgrent |grp |struct group |I_SBWR|I_SBIR|S_SBW|S_SBI|I_SBI|I_SBIH |
942 | getgrgid T |grp |struct group |I_TSBWR|I_TSBIR|I_TSBI|S_TSBI|T=gid_t | |
943 | getgrnam C |grp |struct group |I_CSBWR|I_CSBIR|S_CBI|I_CSBI|S_CSBI | |
944 | 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* | |
945 | gethostbyname C |netdb |struct hostent |I_CSBWRE|S_CSBIE|I_CSD|D=struct hostent_data* | |
946 | gethostent |netdb |struct hostent |I_SBWRE|I_SBIE|S_SBIE|S_SBI|I_SBI|I_SD|D=struct hostent_data* | |
947 | getlogin |unistd | |I_BW|I_BI|B_BW|B_BI | |
948 | 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 | |
949 | getnetbyname C |netdb |struct netent |I_CSBWRE|I_CSBI|S_CSBI|I_CSD|D=struct netent_data* | |
950 | getnetent |netdb |struct netent |I_SBWRE|I_SBIE|S_SBIE|S_SBI|I_SBI|I_SD|D=struct netent_data* | |
951 | getprotobyname C|netdb |struct protoent|I_CSBWR|S_CSBI|I_CSD|D=struct protoent_data* | |
952 | getprotobynumber I |netdb |struct protoent|I_ISBWR|S_ISBI|I_ISD|D=struct protoent_data* | |
953 | getprotoent |netdb |struct protoent|I_SBWR|I_SBI|S_SBI|I_SD|D=struct protoent_data* | |
954 | getpwent |pwd |struct passwd |I_SBWR|I_SBIR|S_SBW|S_SBI|I_SBI|I_SBIH | |
955 | getpwnam C |pwd |struct passwd |I_CSBWR|I_CSBIR|S_CSBI|I_CSBI | |
956 | getpwuid T |pwd |struct passwd |I_TSBWR|I_TSBIR|I_TSBI|S_TSBI|T=uid_t | |
957 | getservbyname CC|netdb |struct servent |I_CCSBWR|S_CCSBI|I_CCSD|D=struct servent_data* | |
958 | getservbyport IC|netdb |struct servent |I_ICSBWR|S_ICSBI|I_ICSD|D=struct servent_data* | |
959 | getservent |netdb |struct servent |I_SBWR|I_SBI|S_SBI|I_SD|D=struct servent_data* | |
960 | getspnam C |shadow |struct spwd |I_CSBWR|S_CSBI | |
961 | gmtime T |time |struct tm |S_TS|I_TS|T=const time_t* | |
962 | localtime T |time |struct tm |S_TS|I_TS|T=const time_t* | |
963 | random |stdlib |struct random_data|I_TS|T=int* | |
964 | readdir T |dirent |struct dirent |I_TSR|I_TS|T=DIR* | |
965 | readdir64 T |dirent |struct dirent64|I_TSR|I_TS|T=DIR* | |
966 | setgrent |grp | |I_H|V_H | |
967 | sethostent I |netdb | |I_ID|V_ID|D=struct hostent_data* | |
968 | setlocale IC |locale | |I_ICBI | |
969 | setnetent I |netdb | |I_ID|V_ID|D=struct netent_data* | |
970 | setprotoent I |netdb | |I_ID|V_ID|D=struct protoent_data* | |
971 | setpwent |pwd | |I_H|V_H | |
972 | setservent I |netdb | |I_ID|V_ID|D=struct servent_data* | |
973 | srand48 L |stdlib |struct drand48_data |I_LS | |
974 | srandom T |stdlib |struct random_data|I_TS|T=unsigned int | |
975 | strerror I |string | |I_IBW|I_IBI|B_IBW | |
976 | tmpnam B |stdio | |B_B | |
977 | ttyname I |unistd | |I_IBW|I_IBI|B_IBI |