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 $prereqh"; | |
171 | } | |
d63eadf0 JH |
172 | if ($opts{U}) { |
173 | print <<EOF; | |
10bc17b6 JH |
174 | ?RCS: \$Id: d_${f}_r.U,v $ |
175 | ?RCS: | |
176 | ?RCS: Copyright (c) 2002 Jarkko Hietaniemi | |
177 | ?RCS: | |
178 | ?RCS: You may distribute under the terms of either the GNU General Public | |
179 | ?RCS: License or the Artistic License, as specified in the README file. | |
180 | ?RCS: | |
181 | ?RCS: Generated by the reentr.pl from the Perl 5.8 distribution. | |
182 | ?RCS: | |
cce6a207 | 183 | ?MAKE:d_${f}_r ${f}_r_proto: Inlibc Protochk Hasproto i_systypes i_systime $prereqs usethreads i_pthread |
10bc17b6 JH |
184 | ?MAKE: -pick add \$@ %< |
185 | ?S:d_${f}_r: | |
186 | ?S: This variable conditionally defines the HAS_${F}_R symbol, | |
187 | ?S: which indicates to the C program that the ${f}_r() | |
188 | ?S: routine is available. | |
189 | ?S:. | |
190 | ?S:${f}_r_proto: | |
191 | ?S: This variable encodes the prototype of ${f}_r. | |
192 | ?S:. | |
193 | ?C:HAS_${F}_R: | |
194 | ?C: This symbol, if defined, indicates that the ${f}_r routine | |
195 | ?C: is available to ${f} re-entrantly. | |
196 | ?C:. | |
197 | ?C:${F}_R_PROTO: | |
198 | ?C: This symbol encodes the prototype of ${f}_r. | |
199 | ?C:. | |
200 | ?H:#\$d_${f}_r HAS_${F}_R /**/ | |
201 | ?H:#define ${F}_R_PROTO \$${f}_r_proto /**/ | |
202 | ?H:. | |
a48ec845 | 203 | ?T:try hdrs d_${f}_r_proto |
10bc17b6 JH |
204 | ?LINT:set d_${f}_r |
205 | ?LINT:set ${f}_r_proto | |
206 | : see if ${f}_r exists | |
207 | set ${f}_r d_${f}_r | |
208 | eval \$inlibc | |
209 | case "\$d_${f}_r" in | |
210 | "\$define") | |
d63eadf0 JH |
211 | EOF |
212 | my $hdrs = "\$i_systypes sys/types.h define stdio.h $prereqsh"; | |
213 | if ($h eq 'time') { | |
214 | $hdrs .= " \$i_systime sys/time.h"; | |
215 | } | |
216 | print <<EOF; | |
217 | hdrs="$hdrs" | |
c18e646a JH |
218 | case "\$d_${f}_r_proto:\$usethreads" in |
219 | ":define") d_${f}_r_proto=define | |
a48ec845 JH |
220 | set d_${f}_r_proto ${f}_r \$hdrs |
221 | eval \$hasproto ;; | |
222 | *) ;; | |
223 | esac | |
224 | case "\$d_${f}_r_proto" in | |
225 | define) | |
10bc17b6 | 226 | EOF |
d63eadf0 JH |
227 | } |
228 | for my $p (@p) { | |
229 | my ($r, $a) = ($p =~ /^(.)_(.+)/); | |
230 | my $v = join(", ", map { $m{$_} } split '', $a); | |
231 | if ($opts{U}) { | |
232 | print <<EOF ; | |
10bc17b6 JH |
233 | case "\$${f}_r_proto" in |
234 | ''|0) try='$m{$r} ${f}_r($v);' | |
235 | ./protochk "extern \$try" \$hdrs && ${f}_r_proto=$p ;; | |
236 | esac | |
237 | EOF | |
d63eadf0 JH |
238 | } |
239 | $seenh{$f}->{$p}++; | |
240 | push @{$seena{$f}}, $p; | |
241 | $seenp{$p}++; | |
242 | $seent{$f} = $t; | |
243 | $seens{$f} = $m{S}; | |
244 | $seend{$f} = $m{D}; | |
245 | } | |
246 | if ($opts{U}) { | |
247 | print <<EOF; | |
10bc17b6 | 248 | case "\$${f}_r_proto" in |
90e831dc | 249 | ''|0) d_${f}_r=undef |
10bc17b6 | 250 | ${f}_r_proto=0 |
a48ec845 | 251 | echo "Disabling ${f}_r, cannot determine prototype." >&4 ;; |
10bc17b6 JH |
252 | * ) case "\$${f}_r_proto" in |
253 | REENTRANT_PROTO*) ;; | |
254 | *) ${f}_r_proto="REENTRANT_PROTO_\$${f}_r_proto" ;; | |
255 | esac | |
256 | echo "Prototype: \$try" ;; | |
257 | esac | |
258 | ;; | |
c18e646a JH |
259 | *) case "\$usethreads" in |
260 | define) echo "${f}_r has no prototype, not using it." >&4 ;; | |
261 | esac | |
90e831dc SB |
262 | d_${f}_r=undef |
263 | ${f}_r_proto=0 | |
c18e646a | 264 | ;; |
a48ec845 JH |
265 | esac |
266 | ;; | |
10bc17b6 JH |
267 | *) ${f}_r_proto=0 |
268 | ;; | |
269 | esac | |
270 | ||
271 | EOF | |
272 | close(U); | |
273 | } | |
274 | } | |
275 | ||
276 | close DATA; | |
277 | ||
278 | select H; | |
279 | ||
280 | { | |
281 | my $i = 1; | |
282 | for my $p (sort keys %seenp) { | |
283 | print "#define REENTRANT_PROTO_${p} ${i}\n"; | |
284 | $i++; | |
285 | } | |
286 | } | |
287 | ||
288 | sub ifprotomatch { | |
289 | my $F = shift; | |
290 | join " || ", map { "${F}_R_PROTO == REENTRANT_PROTO_$_" } @_; | |
291 | } | |
292 | ||
293 | my @struct; | |
294 | my @size; | |
295 | my @init; | |
296 | my @free; | |
297 | my @wrap; | |
298 | my @define; | |
299 | ||
300 | sub pushssif { | |
301 | push @struct, @_; | |
302 | push @size, @_; | |
303 | push @init, @_; | |
304 | push @free, @_; | |
305 | } | |
306 | ||
307 | sub pushinitfree { | |
308 | my $f = shift; | |
309 | push @init, <<EOF; | |
310 | New(31338, PL_reentrant_buffer->_${f}_buffer, PL_reentrant_buffer->_${f}_size, char); | |
311 | EOF | |
312 | push @free, <<EOF; | |
313 | Safefree(PL_reentrant_buffer->_${f}_buffer); | |
314 | EOF | |
315 | } | |
316 | ||
317 | sub define { | |
318 | my ($n, $p, @F) = @_; | |
319 | my @H; | |
320 | my $H = uc $F[0]; | |
321 | push @define, <<EOF; | |
322 | /* The @F using \L$n? */ | |
323 | ||
324 | EOF | |
f7937171 | 325 | my $G; |
10bc17b6 JH |
326 | for my $f (@F) { |
327 | my $F = uc $f; | |
328 | my $h = "${F}_R_HAS_$n"; | |
329 | push @H, $h; | |
330 | my @h = grep { /$p/ } @{$seena{$f}}; | |
f7937171 JH |
331 | unless (defined $G) { |
332 | $G = $F; | |
333 | $G =~ s/^GET//; | |
334 | } | |
10bc17b6 | 335 | if (@h) { |
09310450 | 336 | push @define, "#if defined(HAS_${F}_R) && (" . join(" || ", map { "${F}_R_PROTO == REENTRANT_PROTO_$_" } @h) . ")\n"; |
10bc17b6 JH |
337 | |
338 | push @define, <<EOF; | |
339 | # define $h | |
340 | #else | |
341 | # undef $h | |
342 | #endif | |
343 | EOF | |
344 | } | |
345 | } | |
346 | push @define, <<EOF; | |
347 | ||
348 | /* Any of the @F using \L$n? */ | |
349 | ||
350 | EOF | |
351 | push @define, "#if (" . join(" || ", map { "defined($_)" } @H) . ")\n"; | |
352 | push @define, <<EOF; | |
f7937171 | 353 | # define USE_${G}_$n |
10bc17b6 | 354 | #else |
f7937171 | 355 | # undef USE_${G}_$n |
10bc17b6 JH |
356 | #endif |
357 | ||
358 | EOF | |
359 | } | |
360 | ||
edd309b7 JH |
361 | define('BUFFER', 'B', |
362 | qw(getgrent getgrgid getgrnam)); | |
363 | ||
10bc17b6 JH |
364 | define('PTR', 'R', |
365 | qw(getgrent getgrgid getgrnam)); | |
366 | define('PTR', 'R', | |
367 | qw(getpwent getpwnam getpwuid)); | |
368 | define('PTR', 'R', | |
369 | qw(getspent getspnam)); | |
370 | ||
371 | define('FPTR', 'H', | |
f7937171 | 372 | qw(getgrent getgrgid getgrnam setgrent endgrent)); |
10bc17b6 | 373 | define('FPTR', 'H', |
f7937171 | 374 | qw(getpwent getpwnam getpwuid setpwent endpwent)); |
10bc17b6 | 375 | |
edd309b7 JH |
376 | define('BUFFER', 'B', |
377 | qw(getpwent getpwgid getpwnam)); | |
378 | ||
10bc17b6 JH |
379 | define('PTR', 'R', |
380 | qw(gethostent gethostbyaddr gethostbyname)); | |
381 | define('PTR', 'R', | |
382 | qw(getnetent getnetbyaddr getnetbyname)); | |
383 | define('PTR', 'R', | |
384 | qw(getprotoent getprotobyname getprotobynumber)); | |
385 | define('PTR', 'R', | |
386 | qw(getservent getservbyname getservbyport)); | |
387 | ||
edd309b7 JH |
388 | define('BUFFER', 'B', |
389 | qw(gethostent gethostbyaddr gethostbyname)); | |
390 | define('BUFFER', 'B', | |
391 | qw(getnetent getnetbyaddr getnetbyname)); | |
392 | define('BUFFER', 'B', | |
393 | qw(getprotoent getprotobyname getprotobynumber)); | |
394 | define('BUFFER', 'B', | |
395 | qw(getservent getservbyname getservbyport)); | |
396 | ||
10bc17b6 JH |
397 | define('ERRNO', 'E', |
398 | qw(gethostent gethostbyaddr gethostbyname)); | |
399 | define('ERRNO', 'E', | |
400 | qw(getnetent getnetbyaddr getnetbyname)); | |
401 | ||
402 | for my $f (@seenf) { | |
403 | my $F = uc $f; | |
404 | my $ifdef = "#ifdef HAS_${F}_R\n"; | |
405 | my $endif = "#endif /* HAS_${F}_R */\n"; | |
406 | if (exists $seena{$f}) { | |
407 | my @p = @{$seena{$f}}; | |
408 | if ($f =~ /^(asctime|ctime|getlogin|setlocale|strerror|ttyname)$/) { | |
409 | pushssif $ifdef; | |
410 | push @struct, <<EOF; | |
411 | char* _${f}_buffer; | |
412 | size_t _${f}_size; | |
413 | EOF | |
414 | push @size, <<EOF; | |
8695fa85 | 415 | PL_reentrant_buffer->_${f}_size = REENTRANTSMALLSIZE; |
10bc17b6 JH |
416 | EOF |
417 | pushinitfree $f; | |
418 | pushssif $endif; | |
419 | } | |
b430fd04 | 420 | elsif ($f =~ /^(crypt)$/) { |
10bc17b6 JH |
421 | pushssif $ifdef; |
422 | push @struct, <<EOF; | |
b430fd04 JH |
423 | #if CRYPT_R_PROTO == REENTRANT_PROTO_B_CCD |
424 | $seend{$f} _${f}_data; | |
425 | #else | |
10bc17b6 | 426 | $seent{$f} _${f}_struct; |
b430fd04 | 427 | #endif |
10bc17b6 | 428 | EOF |
b430fd04 | 429 | push @init, <<EOF; |
10bc17b6 JH |
430 | #ifdef __GLIBC__ |
431 | PL_reentrant_buffer->_${f}_struct.initialized = 0; | |
432 | #endif | |
433 | EOF | |
b430fd04 JH |
434 | pushssif $endif; |
435 | } | |
436 | elsif ($f =~ /^(drand48|gmtime|localtime|random)$/) { | |
437 | pushssif $ifdef; | |
438 | push @struct, <<EOF; | |
439 | $seent{$f} _${f}_struct; | |
440 | EOF | |
10bc17b6 JH |
441 | if ($1 eq 'drand48') { |
442 | push @struct, <<EOF; | |
443 | double _${f}_double; | |
444 | EOF | |
445 | } | |
446 | pushssif $endif; | |
447 | } | |
448 | elsif ($f =~ /^(getgrnam|getpwnam|getspnam)$/) { | |
449 | pushssif $ifdef; | |
450 | my $g = $f; | |
451 | $g =~ s/nam/ent/g; | |
f7937171 | 452 | $g =~ s/^get//; |
10bc17b6 JH |
453 | my $G = uc $g; |
454 | push @struct, <<EOF; | |
455 | $seent{$f} _${g}_struct; | |
456 | char* _${g}_buffer; | |
457 | size_t _${g}_size; | |
458 | EOF | |
459 | push @struct, <<EOF; | |
460 | # ifdef USE_${G}_PTR | |
461 | $seent{$f}* _${g}_ptr; | |
462 | # endif | |
463 | EOF | |
464 | if ($g eq 'getspent') { | |
465 | push @size, <<EOF; | |
466 | PL_reentrant_buffer->_${g}_size = 1024; | |
467 | EOF | |
468 | } else { | |
469 | push @struct, <<EOF; | |
470 | # ifdef USE_${G}_FPTR | |
471 | FILE* _${g}_fptr; | |
472 | # endif | |
473 | EOF | |
474 | push @init, <<EOF; | |
475 | # ifdef USE_${G}_FPTR | |
476 | PL_reentrant_buffer->_${g}_fptr = NULL; | |
477 | # endif | |
478 | EOF | |
479 | my $sc = $g eq 'getgrent' ? | |
480 | '_SC_GETGR_R_SIZE_MAX' : '_SC_GETPW_R_SIZE_MAX'; | |
e3410746 | 481 | my $sz = $g eq 'getgrent' ? |
f7937171 | 482 | '_grent_size' : '_pwent_size'; |
10bc17b6 JH |
483 | push @size, <<EOF; |
484 | # if defined(HAS_SYSCONF) && defined($sc) && !defined(__GLIBC__) | |
485 | PL_reentrant_buffer->_${g}_size = sysconf($sc); | |
e3410746 SR |
486 | if (PL_reentrant_buffer->$sz == -1) |
487 | PL_reentrant_buffer->$sz = REENTRANTUSUALSIZE; | |
10bc17b6 JH |
488 | # else |
489 | # if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ) | |
490 | PL_reentrant_buffer->_${g}_size = SIABUFSIZ; | |
491 | # else | |
492 | # ifdef __sgi | |
493 | PL_reentrant_buffer->_${g}_size = BUFSIZ; | |
494 | # else | |
8695fa85 | 495 | PL_reentrant_buffer->_${g}_size = REENTRANTUSUALSIZE; |
10bc17b6 JH |
496 | # endif |
497 | # endif | |
498 | # endif | |
499 | EOF | |
500 | } | |
501 | pushinitfree $g; | |
502 | pushssif $endif; | |
503 | } | |
504 | elsif ($f =~ /^(gethostbyname|getnetbyname|getservbyname|getprotobyname)$/) { | |
505 | pushssif $ifdef; | |
506 | my $g = $f; | |
507 | $g =~ s/byname/ent/; | |
f7937171 | 508 | $g =~ s/^get//; |
10bc17b6 JH |
509 | my $G = uc $g; |
510 | my $D = ifprotomatch($F, grep {/D/} @p); | |
511 | my $d = $seend{$f}; | |
31ee0cb7 | 512 | $d =~ s/\*$//; # snip: we need need the base type. |
10bc17b6 JH |
513 | push @struct, <<EOF; |
514 | $seent{$f} _${g}_struct; | |
515 | # if $D | |
516 | $d _${g}_data; | |
517 | # else | |
518 | char* _${g}_buffer; | |
519 | size_t _${g}_size; | |
520 | # endif | |
521 | # ifdef USE_${G}_PTR | |
522 | $seent{$f}* _${g}_ptr; | |
523 | # endif | |
524 | EOF | |
525 | push @struct, <<EOF; | |
526 | # ifdef USE_${G}_ERRNO | |
527 | int _${g}_errno; | |
528 | # endif | |
529 | EOF | |
530 | push @size, <<EOF; | |
531 | #if !($D) | |
8695fa85 | 532 | PL_reentrant_buffer->_${g}_size = REENTRANTUSUALSIZE; |
10bc17b6 JH |
533 | #endif |
534 | EOF | |
535 | push @init, <<EOF; | |
536 | #if !($D) | |
537 | New(31338, PL_reentrant_buffer->_${g}_buffer, PL_reentrant_buffer->_${g}_size, char); | |
538 | #endif | |
539 | EOF | |
540 | push @free, <<EOF; | |
541 | #if !($D) | |
542 | Safefree(PL_reentrant_buffer->_${g}_buffer); | |
543 | #endif | |
544 | EOF | |
545 | pushssif $endif; | |
546 | } | |
547 | elsif ($f =~ /^(readdir|readdir64)$/) { | |
548 | pushssif $ifdef; | |
549 | my $R = ifprotomatch($F, grep {/R/} @p); | |
550 | push @struct, <<EOF; | |
551 | $seent{$f}* _${f}_struct; | |
552 | size_t _${f}_size; | |
553 | # if $R | |
554 | $seent{$f}* _${f}_ptr; | |
555 | # endif | |
556 | EOF | |
557 | push @size, <<EOF; | |
558 | /* This is the size Solaris recommends. | |
559 | * (though we go static, should use pathconf() instead) */ | |
560 | PL_reentrant_buffer->_${f}_size = sizeof($seent{$f}) + MAXPATHLEN + 1; | |
561 | EOF | |
562 | push @init, <<EOF; | |
563 | PL_reentrant_buffer->_${f}_struct = ($seent{$f}*)safemalloc(PL_reentrant_buffer->_${f}_size); | |
564 | EOF | |
565 | push @free, <<EOF; | |
566 | Safefree(PL_reentrant_buffer->_${f}_struct); | |
567 | EOF | |
568 | pushssif $endif; | |
569 | } | |
570 | ||
571 | push @wrap, $ifdef; | |
572 | ||
10bc17b6 JH |
573 | push @wrap, <<EOF; |
574 | # undef $f | |
575 | EOF | |
576 | my @v = 'a'..'z'; | |
577 | my $v = join(", ", @v[0..$seenu{$f}-1]); | |
578 | for my $p (@p) { | |
579 | my ($r, $a) = split '_', $p; | |
580 | my $test = $r eq 'I' ? ' == 0' : ''; | |
581 | my $true = 1; | |
10bc17b6 JH |
582 | my $g = $f; |
583 | if ($g =~ /^(?:get|set|end)(pw|gr|host|net|proto|serv|sp)/) { | |
f7937171 | 584 | $g = "$1ent"; |
10bc17b6 JH |
585 | } elsif ($g eq 'srand48') { |
586 | $g = "drand48"; | |
587 | } | |
588 | my $b = $a; | |
589 | my $w = ''; | |
590 | substr($b, 0, $seenu{$f}) = ''; | |
591 | if ($b =~ /R/) { | |
592 | $true = "PL_reentrant_buffer->_${g}_ptr"; | |
593 | } elsif ($b =~ /T/ && $f eq 'drand48') { | |
594 | $true = "PL_reentrant_buffer->_${g}_double"; | |
595 | } elsif ($b =~ /S/) { | |
596 | if ($f =~ /^readdir/) { | |
597 | $true = "PL_reentrant_buffer->_${g}_struct"; | |
598 | } else { | |
599 | $true = "&PL_reentrant_buffer->_${g}_struct"; | |
600 | } | |
601 | } elsif ($b =~ /B/) { | |
602 | $true = "PL_reentrant_buffer->_${g}_buffer"; | |
603 | } | |
604 | if (length $b) { | |
605 | $w = join ", ", | |
606 | map { | |
607 | $_ eq 'R' ? | |
608 | "&PL_reentrant_buffer->_${g}_ptr" : | |
609 | $_ eq 'E' ? | |
610 | "&PL_reentrant_buffer->_${g}_errno" : | |
611 | $_ eq 'B' ? | |
612 | "PL_reentrant_buffer->_${g}_buffer" : | |
613 | $_ =~ /^[WI]$/ ? | |
614 | "PL_reentrant_buffer->_${g}_size" : | |
615 | $_ eq 'H' ? | |
616 | "&PL_reentrant_buffer->_${g}_fptr" : | |
617 | $_ eq 'D' ? | |
618 | "&PL_reentrant_buffer->_${g}_data" : | |
619 | $_ eq 'S' ? | |
620 | ($f =~ /^readdir/ ? | |
621 | "PL_reentrant_buffer->_${g}_struct" : | |
622 | "&PL_reentrant_buffer->_${g}_struct" ) : | |
623 | $_ eq 'T' && $f eq 'drand48' ? | |
624 | "&PL_reentrant_buffer->_${g}_double" : | |
625 | $_ | |
626 | } split '', $b; | |
627 | $w = ", $w" if length $v; | |
628 | } | |
629 | my $call = "${f}_r($v$w)"; | |
630 | $call = "((errno = $call))" if $r eq 'I'; | |
631 | push @wrap, <<EOF; | |
632 | # if !defined($f) && ${F}_R_PROTO == REENTRANT_PROTO_$p | |
633 | EOF | |
634 | if ($r eq 'V' || $r eq 'B') { | |
635 | push @wrap, <<EOF; | |
636 | # define $f($v) $call | |
637 | EOF | |
638 | } else { | |
edd309b7 JH |
639 | if ($f =~ /^get/) { |
640 | my $rv = $v ? ", $v" : ""; | |
641 | push @wrap, <<EOF; | |
642 | # define $f($v) ($call$test ? $true : (errno == ERANGE ? Perl_reentrant_retry("$f"$rv) : 0)) | |
10bc17b6 | 643 | EOF |
edd309b7 JH |
644 | } else { |
645 | push @wrap, <<EOF; | |
646 | # define $f($v) ($call$test ? $true : 0) | |
647 | EOF | |
648 | } | |
10bc17b6 JH |
649 | } |
650 | push @wrap, <<EOF; | |
651 | # endif | |
652 | EOF | |
653 | } | |
654 | ||
655 | push @wrap, $endif, "\n"; | |
656 | } | |
657 | } | |
658 | ||
659 | local $" = ''; | |
660 | ||
661 | print <<EOF; | |
662 | ||
663 | /* Defines for indicating which special features are supported. */ | |
664 | ||
665 | @define | |
666 | typedef struct { | |
667 | @struct | |
668 | } REENTR; | |
669 | ||
670 | /* The wrappers. */ | |
671 | ||
672 | @wrap | |
673 | #endif /* USE_REENTRANT_API */ | |
674 | ||
675 | #endif | |
676 | ||
677 | EOF | |
678 | ||
679 | close(H); | |
680 | ||
681 | die "reentr.c: $!" unless open(C, ">reentr.c"); | |
682 | select C; | |
683 | print <<EOF; | |
684 | /* | |
685 | * reentr.c | |
686 | * | |
687 | * Copyright (c) 1997-2002, Larry Wall | |
688 | * | |
689 | * You may distribute under the terms of either the GNU General Public | |
690 | * License or the Artistic License, as specified in the README file. | |
691 | * | |
692 | * !!!!!!! DO NOT EDIT THIS FILE !!!!!!! | |
693 | * This file is built by reentrl.pl from data in reentr.pl. | |
694 | * | |
695 | * "Saruman," I said, standing away from him, "only one hand at a time can | |
696 | * wield the One, and you know that well, so do not trouble to say we!" | |
697 | * | |
698 | */ | |
699 | ||
700 | #include "EXTERN.h" | |
701 | #define PERL_IN_REENTR_C | |
702 | #include "perl.h" | |
703 | #include "reentr.h" | |
704 | ||
705 | void | |
706 | Perl_reentrant_size(pTHX) { | |
707 | #ifdef USE_REENTRANT_API | |
8695fa85 SR |
708 | #define REENTRANTSMALLSIZE 256 /* Make something up. */ |
709 | #define REENTRANTUSUALSIZE 4096 /* Make something up. */ | |
10bc17b6 JH |
710 | @size |
711 | #endif /* USE_REENTRANT_API */ | |
712 | } | |
713 | ||
714 | void | |
715 | Perl_reentrant_init(pTHX) { | |
716 | #ifdef USE_REENTRANT_API | |
717 | New(31337, PL_reentrant_buffer, 1, REENTR); | |
718 | Perl_reentrant_size(aTHX); | |
719 | @init | |
720 | #endif /* USE_REENTRANT_API */ | |
721 | } | |
722 | ||
723 | void | |
724 | Perl_reentrant_free(pTHX) { | |
725 | #ifdef USE_REENTRANT_API | |
726 | @free | |
727 | Safefree(PL_reentrant_buffer); | |
728 | #endif /* USE_REENTRANT_API */ | |
729 | } | |
730 | ||
edd309b7 JH |
731 | void* |
732 | Perl_reentrant_retry(const char *f, ...) | |
733 | { | |
734 | dTHX; | |
735 | void *retptr = NULL; | |
736 | #ifdef USE_REENTRANT_API | |
f7937171 | 737 | # 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 |
738 | void *p0; |
739 | # endif | |
f7937171 | 740 | # if defined(USE_SERVENT_BUFFER) |
e3410746 SR |
741 | void *p1; |
742 | # endif | |
f7937171 | 743 | # if defined(USE_HOSTENT_BUFFER) |
edd309b7 | 744 | size_t asize; |
e3410746 | 745 | # endif |
f7937171 | 746 | # if defined(USE_HOSTENT_BUFFER) || defined(USE_NETENT_BUFFER) || defined(USE_PROTOENT_BUFFER) || defined(USE_SERVENT_BUFFER) |
edd309b7 | 747 | int anint; |
e3410746 | 748 | # endif |
edd309b7 JH |
749 | va_list ap; |
750 | ||
751 | va_start(ap, f); | |
752 | ||
753 | #define REENTRANTHALFMAXSIZE 32768 /* The maximum may end up twice this. */ | |
754 | ||
755 | switch (PL_op->op_type) { | |
f7937171 | 756 | #ifdef USE_HOSTENT_BUFFER |
edd309b7 JH |
757 | case OP_GHBYADDR: |
758 | case OP_GHBYNAME: | |
759 | case OP_GHOSTENT: | |
760 | { | |
f7937171 JH |
761 | if (PL_reentrant_buffer->_hostent_size <= REENTRANTHALFMAXSIZE) { |
762 | PL_reentrant_buffer->_hostent_size *= 2; | |
763 | Renew(PL_reentrant_buffer->_hostent_buffer, | |
764 | PL_reentrant_buffer->_hostent_size, char); | |
edd309b7 JH |
765 | switch (PL_op->op_type) { |
766 | case OP_GHBYADDR: | |
767 | p0 = va_arg(ap, void *); | |
768 | asize = va_arg(ap, size_t); | |
769 | anint = va_arg(ap, int); | |
770 | retptr = gethostbyaddr(p0, asize, anint); break; | |
771 | case OP_GHBYNAME: | |
772 | p0 = va_arg(ap, void *); | |
773 | retptr = gethostbyname(p0); break; | |
774 | case OP_GHOSTENT: | |
775 | retptr = gethostent(); break; | |
776 | default: | |
777 | break; | |
778 | } | |
779 | } | |
780 | } | |
781 | break; | |
782 | #endif | |
f7937171 | 783 | #ifdef USE_GRENT_BUFFER |
edd309b7 JH |
784 | case OP_GGRNAM: |
785 | case OP_GGRGID: | |
786 | case OP_GGRENT: | |
787 | { | |
f7937171 | 788 | if (PL_reentrant_buffer->_grent_size <= REENTRANTHALFMAXSIZE) { |
edd309b7 | 789 | Gid_t gid; |
f7937171 JH |
790 | PL_reentrant_buffer->_grent_size *= 2; |
791 | Renew(PL_reentrant_buffer->_grent_buffer, | |
792 | PL_reentrant_buffer->_grent_size, char); | |
edd309b7 JH |
793 | switch (PL_op->op_type) { |
794 | case OP_GGRNAM: | |
795 | p0 = va_arg(ap, void *); | |
796 | retptr = getgrnam(p0); break; | |
797 | case OP_GGRGID: | |
798 | gid = va_arg(ap, Gid_t); | |
799 | retptr = getgrgid(gid); break; | |
800 | case OP_GGRENT: | |
801 | retptr = getgrent(); break; | |
802 | default: | |
803 | break; | |
804 | } | |
805 | } | |
806 | } | |
807 | break; | |
808 | #endif | |
f7937171 | 809 | #ifdef USE_NETENT_BUFFER |
edd309b7 JH |
810 | case OP_GNBYADDR: |
811 | case OP_GNBYNAME: | |
812 | case OP_GNETENT: | |
813 | { | |
f7937171 | 814 | if (PL_reentrant_buffer->_netent_size <= REENTRANTHALFMAXSIZE) { |
edd309b7 | 815 | Netdb_net_t net; |
f7937171 JH |
816 | PL_reentrant_buffer->_netent_size *= 2; |
817 | Renew(PL_reentrant_buffer->_netent_buffer, | |
818 | PL_reentrant_buffer->_netent_size, char); | |
edd309b7 JH |
819 | switch (PL_op->op_type) { |
820 | case OP_GNBYADDR: | |
821 | net = va_arg(ap, Netdb_net_t); | |
822 | anint = va_arg(ap, int); | |
823 | retptr = getnetbyaddr(net, anint); break; | |
824 | case OP_GNBYNAME: | |
825 | p0 = va_arg(ap, void *); | |
826 | retptr = getnetbyname(p0); break; | |
827 | case OP_GNETENT: | |
828 | retptr = getnetent(); break; | |
829 | default: | |
830 | break; | |
831 | } | |
832 | } | |
833 | } | |
834 | break; | |
835 | #endif | |
f7937171 | 836 | #ifdef USE_PWENT_BUFFER |
edd309b7 JH |
837 | case OP_GPWNAM: |
838 | case OP_GPWUID: | |
839 | case OP_GPWENT: | |
840 | { | |
f7937171 | 841 | if (PL_reentrant_buffer->_pwent_size <= REENTRANTHALFMAXSIZE) { |
edd309b7 | 842 | Uid_t uid; |
f7937171 JH |
843 | PL_reentrant_buffer->_pwent_size *= 2; |
844 | Renew(PL_reentrant_buffer->_pwent_buffer, | |
845 | PL_reentrant_buffer->_pwent_size, char); | |
edd309b7 JH |
846 | switch (PL_op->op_type) { |
847 | case OP_GPWNAM: | |
848 | p0 = va_arg(ap, void *); | |
849 | retptr = getpwnam(p0); break; | |
850 | case OP_GPWUID: | |
851 | uid = va_arg(ap, Uid_t); | |
852 | retptr = getpwuid(uid); break; | |
853 | case OP_GPWENT: | |
854 | retptr = getpwent(); break; | |
855 | default: | |
856 | break; | |
857 | } | |
858 | } | |
859 | } | |
860 | break; | |
861 | #endif | |
f7937171 | 862 | #ifdef USE_PROTOENT_BUFFER |
edd309b7 JH |
863 | case OP_GPBYNAME: |
864 | case OP_GPBYNUMBER: | |
865 | case OP_GPROTOENT: | |
866 | { | |
f7937171 JH |
867 | if (PL_reentrant_buffer->_protoent_size <= REENTRANTHALFMAXSIZE) { |
868 | PL_reentrant_buffer->_protoent_size *= 2; | |
869 | Renew(PL_reentrant_buffer->_protoent_buffer, | |
870 | PL_reentrant_buffer->_protoent_size, char); | |
edd309b7 JH |
871 | switch (PL_op->op_type) { |
872 | case OP_GPBYNAME: | |
873 | p0 = va_arg(ap, void *); | |
874 | retptr = getprotobyname(p0); break; | |
875 | case OP_GPBYNUMBER: | |
876 | anint = va_arg(ap, int); | |
877 | retptr = getprotobynumber(anint); break; | |
878 | case OP_GPROTOENT: | |
879 | retptr = getprotoent(); break; | |
880 | default: | |
881 | break; | |
882 | } | |
883 | } | |
884 | } | |
885 | break; | |
886 | #endif | |
f7937171 | 887 | #ifdef USE_SERVENT_BUFFER |
edd309b7 JH |
888 | case OP_GSBYNAME: |
889 | case OP_GSBYPORT: | |
890 | case OP_GSERVENT: | |
891 | { | |
f7937171 JH |
892 | if (PL_reentrant_buffer->_servent_size <= REENTRANTHALFMAXSIZE) { |
893 | PL_reentrant_buffer->_servent_size *= 2; | |
894 | Renew(PL_reentrant_buffer->_servent_buffer, | |
895 | PL_reentrant_buffer->_servent_size, char); | |
edd309b7 JH |
896 | switch (PL_op->op_type) { |
897 | case OP_GSBYNAME: | |
898 | p0 = va_arg(ap, void *); | |
899 | p1 = va_arg(ap, void *); | |
900 | retptr = getservbyname(p0, p1); break; | |
901 | case OP_GSBYPORT: | |
902 | anint = va_arg(ap, int); | |
903 | p0 = va_arg(ap, void *); | |
904 | retptr = getservbyport(anint, p0); break; | |
905 | case OP_GSERVENT: | |
906 | retptr = getservent(); break; | |
907 | default: | |
908 | break; | |
909 | } | |
910 | } | |
911 | } | |
912 | break; | |
913 | #endif | |
914 | default: | |
915 | /* Not known how to retry, so just fail. */ | |
916 | break; | |
917 | } | |
918 | ||
919 | va_end(ap); | |
920 | #endif | |
921 | return retptr; | |
922 | } | |
923 | ||
10bc17b6 JH |
924 | EOF |
925 | ||
926 | __DATA__ | |
927 | asctime S |time |const struct tm|B_SB|B_SBI|I_SB|I_SBI | |
b430fd04 | 928 | crypt CC |crypt |struct crypt_data|B_CCS|B_CCD|D=CRYPTD* |
10bc17b6 JH |
929 | ctermid B |stdio | |B_B |
930 | ctime S |time |const time_t |B_SB|B_SBI|I_SB|I_SBI | |
931 | drand48 |stdlib |struct drand48_data |I_ST|T=double* | |
932 | endgrent |grp | |I_H|V_H | |
31ee0cb7 JH |
933 | endhostent |netdb | |I_D|V_D|D=struct hostent_data* |
934 | endnetent |netdb | |I_D|V_D|D=struct netent_data* | |
935 | endprotoent |netdb | |I_D|V_D|D=struct protoent_data* | |
10bc17b6 | 936 | endpwent |pwd | |I_H|V_H |
31ee0cb7 | 937 | endservent |netdb | |I_D|V_D|D=struct servent_data* |
10bc17b6 JH |
938 | getgrent |grp |struct group |I_SBWR|I_SBIR|S_SBW|S_SBI|I_SBI|I_SBIH |
939 | getgrgid T |grp |struct group |I_TSBWR|I_TSBIR|I_TSBI|S_TSBI|T=gid_t | |
940 | getgrnam C |grp |struct group |I_CSBWR|I_CSBIR|S_CBI|I_CSBI|S_CSBI | |
941 | 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* | |
942 | gethostbyname C |netdb |struct hostent |I_CSBWRE|S_CSBIE|I_CSD|D=struct hostent_data* | |
943 | gethostent |netdb |struct hostent |I_SBWRE|I_SBIE|S_SBIE|S_SBI|I_SBI|I_SD|D=struct hostent_data* | |
944 | getlogin |unistd | |I_BW|I_BI|B_BW|B_BI | |
945 | 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 | |
946 | getnetbyname C |netdb |struct netent |I_CSBWRE|I_CSBI|S_CSBI|I_CSD|D=struct netent_data* | |
947 | getnetent |netdb |struct netent |I_SBWRE|I_SBIE|S_SBIE|S_SBI|I_SBI|I_SD|D=struct netent_data* | |
948 | getprotobyname C|netdb |struct protoent|I_CSBWR|S_CSBI|I_CSD|D=struct protoent_data* | |
949 | getprotobynumber I |netdb |struct protoent|I_ISBWR|S_ISBI|I_ISD|D=struct protoent_data* | |
950 | getprotoent |netdb |struct protoent|I_SBWR|I_SBI|S_SBI|I_SD|D=struct protoent_data* | |
951 | getpwent |pwd |struct passwd |I_SBWR|I_SBIR|S_SBW|S_SBI|I_SBI|I_SBIH | |
952 | getpwnam C |pwd |struct passwd |I_CSBWR|I_CSBIR|S_CSBI|I_CSBI | |
953 | getpwuid T |pwd |struct passwd |I_TSBWR|I_TSBIR|I_TSBI|S_TSBI|T=uid_t | |
954 | getservbyname CC|netdb |struct servent |I_CCSBWR|S_CCSBI|I_CCSD|D=struct servent_data* | |
955 | getservbyport IC|netdb |struct servent |I_ICSBWR|S_ICSBI|I_ICSD|D=struct servent_data* | |
956 | getservent |netdb |struct servent |I_SBWR|I_SBI|S_SBI|I_SD|D=struct servent_data* | |
957 | getspnam C |shadow |struct spwd |I_CSBWR|S_CSBI | |
958 | gmtime T |time |struct tm |S_TS|I_TS|T=const time_t* | |
959 | localtime T |time |struct tm |S_TS|I_TS|T=const time_t* | |
960 | random |stdlib |struct random_data|I_TS|T=int* | |
961 | readdir T |dirent |struct dirent |I_TSR|I_TS|T=DIR* | |
962 | readdir64 T |dirent |struct dirent64|I_TSR|I_TS|T=DIR* | |
963 | setgrent |grp | |I_H|V_H | |
964 | sethostent I |netdb | |I_ID|V_ID|D=struct hostent_data* | |
965 | setlocale IC |locale | |I_ICBI | |
966 | setnetent I |netdb | |I_ID|V_ID|D=struct netent_data* | |
967 | setprotoent I |netdb | |I_ID|V_ID|D=struct protoent_data* | |
968 | setpwent |pwd | |I_H|V_H | |
969 | setservent I |netdb | |I_ID|V_ID|D=struct servent_data* | |
970 | srand48 L |stdlib |struct drand48_data |I_LS | |
971 | srandom T |stdlib |struct random_data|I_TS|T=unsigned int | |
972 | strerror I |string | |I_IBW|I_IBI|B_IBW | |
973 | tmpnam B |stdio | |B_B | |
974 | ttyname I |unistd | |I_IBW|I_IBI|B_IBI |