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 | * |
23e2b7a9 |
44 | * Copyright (C) 2002, 2003, 2005 by Larry Wall and others |
10bc17b6 |
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 !!!!!!! |
61296642 |
50 | * This file is built by reentr.pl from data in reentr.pl. |
10bc17b6 |
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 | |
23e2b7a9 |
83 | /* |
84 | * As of OpenBSD 3.7, reentrant functions are now working, they just are |
85 | * incompatible with everyone else. To make OpenBSD happy, we have to |
86 | * memzero out certain structures before calling the functions. |
87 | */ |
88 | #if defined(__OpenBSD__) |
89 | # define REENTR_MEMZERO(a,b) memzero(a,b), |
90 | #else |
91 | # define REENTR_MEMZERO(a,b) |
92 | #endif |
93 | |
10bc17b6 |
94 | #ifdef NETDB_R_OBSOLETE |
95 | # undef HAS_ENDHOSTENT_R |
96 | # undef HAS_ENDNETENT_R |
97 | # undef HAS_ENDPROTOENT_R |
98 | # undef HAS_ENDSERVENT_R |
99 | # undef HAS_GETHOSTBYADDR_R |
100 | # undef HAS_GETHOSTBYNAME_R |
101 | # undef HAS_GETHOSTENT_R |
102 | # undef HAS_GETNETBYADDR_R |
103 | # undef HAS_GETNETBYNAME_R |
104 | # undef HAS_GETNETENT_R |
105 | # undef HAS_GETPROTOBYNAME_R |
106 | # undef HAS_GETPROTOBYNUMBER_R |
107 | # undef HAS_GETPROTOENT_R |
108 | # undef HAS_GETSERVBYNAME_R |
109 | # undef HAS_GETSERVBYPORT_R |
110 | # undef HAS_GETSERVENT_R |
111 | # undef HAS_SETHOSTENT_R |
112 | # undef HAS_SETNETENT_R |
113 | # undef HAS_SETPROTOENT_R |
114 | # undef HAS_SETSERVENT_R |
115 | #endif |
116 | |
117 | #ifdef I_PWD |
118 | # include <pwd.h> |
119 | #endif |
120 | #ifdef I_GRP |
121 | # include <grp.h> |
122 | #endif |
123 | #ifdef I_NETDB |
124 | # include <netdb.h> |
125 | #endif |
126 | #ifdef I_STDLIB |
127 | # include <stdlib.h> /* drand48_data */ |
128 | #endif |
129 | #ifdef I_CRYPT |
130 | # ifdef I_CRYPT |
131 | # include <crypt.h> |
132 | # endif |
133 | #endif |
134 | #ifdef HAS_GETSPNAM_R |
135 | # ifdef I_SHADOW |
136 | # include <shadow.h> |
137 | # endif |
138 | #endif |
139 | |
140 | EOF |
141 | |
aa418cf1 |
142 | my %seenh; # the different prototypes signatures for this function |
143 | my %seena; # the different prototypes signatures for this function in order |
144 | my @seenf; # all the seen functions |
145 | my %seenp; # the different prototype signatures for all functions |
146 | my %seent; # the return type of this function |
147 | my %seens; # the type of this function's "S" |
148 | my %seend; # the type of this function's "D" |
a845a0d4 |
149 | my %seenm; # all the types |
aa418cf1 |
150 | my %seenu; # the length of the argument list of this function |
151 | |
152 | while (<DATA>) { # Read in the protypes. |
10bc17b6 |
153 | next if /^\s+$/; |
154 | chomp; |
aa418cf1 |
155 | my ($func, $hdr, $type, @p) = split(/\s*\|\s*/, $_, -1); |
10bc17b6 |
156 | my $u; |
aa418cf1 |
157 | # Split off the real function name and the argument list. |
158 | ($func, $u) = split(' ', $func); |
159 | $seenu{$func} = defined $u ? length $u : 0; |
160 | my $FUNC = uc $func; # for output. |
161 | push @seenf, $func; |
10bc17b6 |
162 | my %m = %map; |
aa418cf1 |
163 | if ($type) { |
164 | $m{S} = "$type*"; |
165 | $m{R} = "$type**"; |
10bc17b6 |
166 | } |
aa418cf1 |
167 | |
168 | # Set any special mapping variables (like X=x_t) |
10bc17b6 |
169 | if (@p) { |
170 | while ($p[-1] =~ /=/) { |
171 | my ($k, $v) = ($p[-1] =~ /^([A-Za-z])\s*=\s*(.*)/); |
172 | $m{$k} = $v; |
173 | pop @p; |
174 | } |
175 | } |
aa418cf1 |
176 | |
177 | # If given the -U option open up the metaconfig unit for this function. |
178 | if ($opts{U} && open(U, ">d_${func}_r.U")) { |
10bc17b6 |
179 | select U; |
180 | } |
aa418cf1 |
181 | |
d63eadf0 |
182 | if ($opts{U}) { |
aa418cf1 |
183 | # The metaconfig units needs prerequisite dependencies. |
184 | my $prereqs = ''; |
185 | my $prereqh = ''; |
186 | my $prereqsh = ''; |
187 | if ($hdr ne 'stdio') { # There's no i_stdio. |
188 | $prereqs = "i_$hdr"; |
189 | $prereqh = "$hdr.h"; |
190 | $prereqsh = "\$$prereqs $prereqh"; |
191 | } |
1fdb6f84 |
192 | my @prereq = qw(Inlibc Protochk Hasproto i_systypes usethreads); |
193 | push @prereq, $prereqs; |
194 | my $hdrs = "\$i_systypes sys/types.h define stdio.h $prereqsh"; |
aa418cf1 |
195 | if ($hdr eq 'time') { |
1fdb6f84 |
196 | $hdrs .= " \$i_systime sys/time.h"; |
197 | push @prereq, 'i_systime'; |
198 | } |
aa418cf1 |
199 | # Output the metaconfig unit header. |
d63eadf0 |
200 | print <<EOF; |
aa418cf1 |
201 | ?RCS: \$Id: d_${func}_r.U,v $ |
10bc17b6 |
202 | ?RCS: |
a845a0d4 |
203 | ?RCS: Copyright (c) 2002,2003 Jarkko Hietaniemi |
10bc17b6 |
204 | ?RCS: |
205 | ?RCS: You may distribute under the terms of either the GNU General Public |
206 | ?RCS: License or the Artistic License, as specified in the README file. |
207 | ?RCS: |
208 | ?RCS: Generated by the reentr.pl from the Perl 5.8 distribution. |
209 | ?RCS: |
aa418cf1 |
210 | ?MAKE:d_${func}_r ${func}_r_proto: @prereq |
10bc17b6 |
211 | ?MAKE: -pick add \$@ %< |
aa418cf1 |
212 | ?S:d_${func}_r: |
213 | ?S: This variable conditionally defines the HAS_${FUNC}_R symbol, |
214 | ?S: which indicates to the C program that the ${func}_r() |
10bc17b6 |
215 | ?S: routine is available. |
216 | ?S:. |
aa418cf1 |
217 | ?S:${func}_r_proto: |
218 | ?S: This variable encodes the prototype of ${func}_r. |
39183afa |
219 | ?S: It is zero if d_${func}_r is undef, and one of the |
220 | ?S: REENTRANT_PROTO_T_ABC macros of reentr.h if d_${func}_r |
221 | ?S: is defined. |
10bc17b6 |
222 | ?S:. |
aa418cf1 |
223 | ?C:HAS_${FUNC}_R: |
224 | ?C: This symbol, if defined, indicates that the ${func}_r routine |
225 | ?C: is available to ${func} re-entrantly. |
10bc17b6 |
226 | ?C:. |
aa418cf1 |
227 | ?C:${FUNC}_R_PROTO: |
228 | ?C: This symbol encodes the prototype of ${func}_r. |
39183afa |
229 | ?C: It is zero if d_${func}_r is undef, and one of the |
230 | ?C: REENTRANT_PROTO_T_ABC macros of reentr.h if d_${func}_r |
231 | ?C: is defined. |
10bc17b6 |
232 | ?C:. |
aa418cf1 |
233 | ?H:#\$d_${func}_r HAS_${FUNC}_R /**/ |
234 | ?H:#define ${FUNC}_R_PROTO \$${func}_r_proto /**/ |
10bc17b6 |
235 | ?H:. |
aa418cf1 |
236 | ?T:try hdrs d_${func}_r_proto |
237 | ?LINT:set d_${func}_r |
238 | ?LINT:set ${func}_r_proto |
239 | : see if ${func}_r exists |
240 | set ${func}_r d_${func}_r |
10bc17b6 |
241 | eval \$inlibc |
aa418cf1 |
242 | case "\$d_${func}_r" in |
10bc17b6 |
243 | "\$define") |
d63eadf0 |
244 | EOF |
d63eadf0 |
245 | print <<EOF; |
246 | hdrs="$hdrs" |
aa418cf1 |
247 | case "\$d_${func}_r_proto:\$usethreads" in |
248 | ":define") d_${func}_r_proto=define |
249 | set d_${func}_r_proto ${func}_r \$hdrs |
a48ec845 |
250 | eval \$hasproto ;; |
251 | *) ;; |
252 | esac |
aa418cf1 |
253 | case "\$d_${func}_r_proto" in |
a48ec845 |
254 | define) |
10bc17b6 |
255 | EOF |
d63eadf0 |
256 | } |
257 | for my $p (@p) { |
258 | my ($r, $a) = ($p =~ /^(.)_(.+)/); |
259 | my $v = join(", ", map { $m{$_} } split '', $a); |
260 | if ($opts{U}) { |
261 | print <<EOF ; |
aa418cf1 |
262 | case "\$${func}_r_proto" in |
263 | ''|0) try='$m{$r} ${func}_r($v);' |
264 | ./protochk "extern \$try" \$hdrs && ${func}_r_proto=$p ;; |
10bc17b6 |
265 | esac |
266 | EOF |
d63eadf0 |
267 | } |
aa418cf1 |
268 | $seenh{$func}->{$p}++; |
269 | push @{$seena{$func}}, $p; |
d63eadf0 |
270 | $seenp{$p}++; |
aa418cf1 |
271 | $seent{$func} = $type; |
272 | $seens{$func} = $m{S}; |
273 | $seend{$func} = $m{D}; |
a845a0d4 |
274 | $seenm{$func} = \%m; |
d63eadf0 |
275 | } |
276 | if ($opts{U}) { |
277 | print <<EOF; |
aa418cf1 |
278 | case "\$${func}_r_proto" in |
279 | ''|0) d_${func}_r=undef |
280 | ${func}_r_proto=0 |
281 | echo "Disabling ${func}_r, cannot determine prototype." >&4 ;; |
282 | * ) case "\$${func}_r_proto" in |
10bc17b6 |
283 | REENTRANT_PROTO*) ;; |
aa418cf1 |
284 | *) ${func}_r_proto="REENTRANT_PROTO_\$${func}_r_proto" ;; |
10bc17b6 |
285 | esac |
286 | echo "Prototype: \$try" ;; |
287 | esac |
288 | ;; |
c18e646a |
289 | *) case "\$usethreads" in |
aa418cf1 |
290 | define) echo "${func}_r has no prototype, not using it." >&4 ;; |
c18e646a |
291 | esac |
aa418cf1 |
292 | d_${func}_r=undef |
293 | ${func}_r_proto=0 |
c18e646a |
294 | ;; |
a48ec845 |
295 | esac |
296 | ;; |
aa418cf1 |
297 | *) ${func}_r_proto=0 |
10bc17b6 |
298 | ;; |
299 | esac |
300 | |
301 | EOF |
302 | close(U); |
303 | } |
304 | } |
305 | |
306 | close DATA; |
307 | |
aa418cf1 |
308 | # Prepare to continue writing the reentr.h. |
309 | |
10bc17b6 |
310 | select H; |
311 | |
312 | { |
aa418cf1 |
313 | # Write out all the known prototype signatures. |
10bc17b6 |
314 | my $i = 1; |
315 | for my $p (sort keys %seenp) { |
316 | print "#define REENTRANT_PROTO_${p} ${i}\n"; |
317 | $i++; |
318 | } |
319 | } |
320 | |
aa418cf1 |
321 | my @struct; # REENTR struct members |
322 | my @size; # struct member buffer size initialization code |
323 | my @init; # struct member buffer initialization (malloc) code |
324 | my @free; # struct member buffer release (free) code |
325 | my @wrap; # the wrapper (foo(a) -> foo_r(a,...)) cpp code |
326 | my @define; # defines for optional features |
327 | |
10bc17b6 |
328 | sub ifprotomatch { |
aa418cf1 |
329 | my $FUNC = shift; |
330 | join " || ", map { "${FUNC}_R_PROTO == REENTRANT_PROTO_$_" } @_; |
10bc17b6 |
331 | } |
332 | |
10bc17b6 |
333 | sub pushssif { |
334 | push @struct, @_; |
335 | push @size, @_; |
336 | push @init, @_; |
337 | push @free, @_; |
338 | } |
339 | |
340 | sub pushinitfree { |
aa418cf1 |
341 | my $func = shift; |
10bc17b6 |
342 | push @init, <<EOF; |
aa418cf1 |
343 | New(31338, PL_reentrant_buffer->_${func}_buffer, PL_reentrant_buffer->_${func}_size, char); |
10bc17b6 |
344 | EOF |
345 | push @free, <<EOF; |
aa418cf1 |
346 | Safefree(PL_reentrant_buffer->_${func}_buffer); |
10bc17b6 |
347 | EOF |
348 | } |
349 | |
350 | sub define { |
351 | my ($n, $p, @F) = @_; |
352 | my @H; |
353 | my $H = uc $F[0]; |
354 | push @define, <<EOF; |
355 | /* The @F using \L$n? */ |
356 | |
357 | EOF |
aa418cf1 |
358 | my $GENFUNC; |
359 | for my $func (@F) { |
360 | my $FUNC = uc $func; |
361 | my $HAS = "${FUNC}_R_HAS_$n"; |
362 | push @H, $HAS; |
363 | my @h = grep { /$p/ } @{$seena{$func}}; |
364 | unless (defined $GENFUNC) { |
365 | $GENFUNC = $FUNC; |
366 | $GENFUNC =~ s/^GET//; |
f7937171 |
367 | } |
10bc17b6 |
368 | if (@h) { |
aa418cf1 |
369 | push @define, "#if defined(HAS_${FUNC}_R) && (" . join(" || ", map { "${FUNC}_R_PROTO == REENTRANT_PROTO_$_" } @h) . ")\n"; |
10bc17b6 |
370 | |
371 | push @define, <<EOF; |
aa418cf1 |
372 | # define $HAS |
10bc17b6 |
373 | #else |
aa418cf1 |
374 | # undef $HAS |
10bc17b6 |
375 | #endif |
376 | EOF |
377 | } |
378 | } |
0891a229 |
379 | return if @F == 1; |
10bc17b6 |
380 | push @define, <<EOF; |
381 | |
382 | /* Any of the @F using \L$n? */ |
383 | |
384 | EOF |
385 | push @define, "#if (" . join(" || ", map { "defined($_)" } @H) . ")\n"; |
386 | push @define, <<EOF; |
aa418cf1 |
387 | # define USE_${GENFUNC}_$n |
10bc17b6 |
388 | #else |
aa418cf1 |
389 | # undef USE_${GENFUNC}_$n |
10bc17b6 |
390 | #endif |
391 | |
392 | EOF |
393 | } |
394 | |
edd309b7 |
395 | define('BUFFER', 'B', |
396 | qw(getgrent getgrgid getgrnam)); |
397 | |
10bc17b6 |
398 | define('PTR', 'R', |
399 | qw(getgrent getgrgid getgrnam)); |
400 | define('PTR', 'R', |
401 | qw(getpwent getpwnam getpwuid)); |
402 | define('PTR', 'R', |
403 | qw(getspent getspnam)); |
404 | |
405 | define('FPTR', 'H', |
f7937171 |
406 | qw(getgrent getgrgid getgrnam setgrent endgrent)); |
10bc17b6 |
407 | define('FPTR', 'H', |
f7937171 |
408 | qw(getpwent getpwnam getpwuid setpwent endpwent)); |
10bc17b6 |
409 | |
edd309b7 |
410 | define('BUFFER', 'B', |
411 | qw(getpwent getpwgid getpwnam)); |
412 | |
10bc17b6 |
413 | define('PTR', 'R', |
414 | qw(gethostent gethostbyaddr gethostbyname)); |
415 | define('PTR', 'R', |
416 | qw(getnetent getnetbyaddr getnetbyname)); |
417 | define('PTR', 'R', |
418 | qw(getprotoent getprotobyname getprotobynumber)); |
419 | define('PTR', 'R', |
420 | qw(getservent getservbyname getservbyport)); |
421 | |
edd309b7 |
422 | define('BUFFER', 'B', |
423 | qw(gethostent gethostbyaddr gethostbyname)); |
424 | define('BUFFER', 'B', |
425 | qw(getnetent getnetbyaddr getnetbyname)); |
426 | define('BUFFER', 'B', |
427 | qw(getprotoent getprotobyname getprotobynumber)); |
428 | define('BUFFER', 'B', |
429 | qw(getservent getservbyname getservbyport)); |
430 | |
10bc17b6 |
431 | define('ERRNO', 'E', |
432 | qw(gethostent gethostbyaddr gethostbyname)); |
433 | define('ERRNO', 'E', |
434 | qw(getnetent getnetbyaddr getnetbyname)); |
435 | |
aa418cf1 |
436 | # The following loop accumulates the "ssif" (struct, size, init, free) |
437 | # sections that declare the struct members (in reentr.h), and the buffer |
438 | # size initialization, buffer initialization (malloc), and buffer |
439 | # release (free) code (in reentr.c). |
440 | # |
441 | # The loop also contains a lot of intrinsic logic about groups of |
442 | # functions (since functions of certain kind operate the same way). |
443 | |
444 | for my $func (@seenf) { |
445 | my $FUNC = uc $func; |
446 | my $ifdef = "#ifdef HAS_${FUNC}_R\n"; |
447 | my $endif = "#endif /* HAS_${FUNC}_R */\n"; |
448 | if (exists $seena{$func}) { |
449 | my @p = @{$seena{$func}}; |
450 | if ($func =~ /^(asctime|ctime|getlogin|setlocale|strerror|ttyname)$/) { |
10bc17b6 |
451 | pushssif $ifdef; |
452 | push @struct, <<EOF; |
aa418cf1 |
453 | char* _${func}_buffer; |
454 | size_t _${func}_size; |
10bc17b6 |
455 | EOF |
456 | push @size, <<EOF; |
aa418cf1 |
457 | PL_reentrant_buffer->_${func}_size = REENTRANTSMALLSIZE; |
10bc17b6 |
458 | EOF |
aa418cf1 |
459 | pushinitfree $func; |
10bc17b6 |
460 | pushssif $endif; |
461 | } |
aa418cf1 |
462 | elsif ($func =~ /^(crypt)$/) { |
10bc17b6 |
463 | pushssif $ifdef; |
464 | push @struct, <<EOF; |
b430fd04 |
465 | #if CRYPT_R_PROTO == REENTRANT_PROTO_B_CCD |
aa418cf1 |
466 | $seend{$func} _${func}_data; |
b430fd04 |
467 | #else |
05404ffe |
468 | $seent{$func} *_${func}_struct_buffer; |
b430fd04 |
469 | #endif |
10bc17b6 |
470 | EOF |
b430fd04 |
471 | push @init, <<EOF; |
05404ffe |
472 | #if CRYPT_R_PROTO != REENTRANT_PROTO_B_CCD |
473 | PL_reentrant_buffer->_${func}_struct_buffer = 0; |
474 | #endif |
475 | EOF |
476 | push @free, <<EOF; |
477 | #if CRYPT_R_PROTO != REENTRANT_PROTO_B_CCD |
478 | Safefree(PL_reentrant_buffer->_${func}_struct_buffer); |
10bc17b6 |
479 | #endif |
480 | EOF |
b430fd04 |
481 | pushssif $endif; |
482 | } |
5cb13b8d |
483 | elsif ($func =~ /^(drand48|gmtime|localtime|random|srandom)$/) { |
b430fd04 |
484 | pushssif $ifdef; |
485 | push @struct, <<EOF; |
aa418cf1 |
486 | $seent{$func} _${func}_struct; |
b430fd04 |
487 | EOF |
10bc17b6 |
488 | if ($1 eq 'drand48') { |
489 | push @struct, <<EOF; |
aa418cf1 |
490 | double _${func}_double; |
10bc17b6 |
491 | EOF |
a845a0d4 |
492 | } elsif ($1 eq 'random') { |
493 | push @struct, <<EOF; |
b3b3b51f |
494 | # if RANDOM_R_PROTO == REENTRANT_PROTO_I_iS |
a845a0d4 |
495 | int _${func}_retval; |
496 | # endif |
b3b3b51f |
497 | # if RANDOM_R_PROTO == REENTRANT_PROTO_I_lS |
a845a0d4 |
498 | long _${func}_retval; |
499 | # endif |
b3b3b51f |
500 | # if RANDOM_R_PROTO == REENTRANT_PROTO_I_St |
a845a0d4 |
501 | int32_t _${func}_retval; |
502 | # endif |
503 | EOF |
10bc17b6 |
504 | } |
505 | pushssif $endif; |
506 | } |
aa418cf1 |
507 | elsif ($func =~ /^(getgrnam|getpwnam|getspnam)$/) { |
10bc17b6 |
508 | pushssif $ifdef; |
aa418cf1 |
509 | # 'genfunc' can be read either as 'generic' or 'genre', |
510 | # it represents a group of functions. |
511 | my $genfunc = $func; |
512 | $genfunc =~ s/nam/ent/g; |
513 | $genfunc =~ s/^get//; |
514 | my $GENFUNC = uc $genfunc; |
10bc17b6 |
515 | push @struct, <<EOF; |
aa418cf1 |
516 | $seent{$func} _${genfunc}_struct; |
517 | char* _${genfunc}_buffer; |
518 | size_t _${genfunc}_size; |
10bc17b6 |
519 | EOF |
520 | push @struct, <<EOF; |
aa418cf1 |
521 | # ifdef USE_${GENFUNC}_PTR |
522 | $seent{$func}* _${genfunc}_ptr; |
10bc17b6 |
523 | # endif |
524 | EOF |
0de8cad8 |
525 | push @struct, <<EOF; |
aa418cf1 |
526 | # ifdef USE_${GENFUNC}_FPTR |
527 | FILE* _${genfunc}_fptr; |
10bc17b6 |
528 | # endif |
529 | EOF |
0de8cad8 |
530 | push @init, <<EOF; |
aa418cf1 |
531 | # ifdef USE_${GENFUNC}_FPTR |
532 | PL_reentrant_buffer->_${genfunc}_fptr = NULL; |
10bc17b6 |
533 | # endif |
534 | EOF |
0de8cad8 |
535 | my $sc = $genfunc eq 'grent' ? |
10bc17b6 |
536 | '_SC_GETGR_R_SIZE_MAX' : '_SC_GETPW_R_SIZE_MAX'; |
0de8cad8 |
537 | my $sz = "_${genfunc}_size"; |
538 | push @size, <<EOF; |
10bc17b6 |
539 | # if defined(HAS_SYSCONF) && defined($sc) && !defined(__GLIBC__) |
0de8cad8 |
540 | PL_reentrant_buffer->$sz = sysconf($sc); |
e3410746 |
541 | if (PL_reentrant_buffer->$sz == -1) |
542 | PL_reentrant_buffer->$sz = REENTRANTUSUALSIZE; |
10bc17b6 |
543 | # else |
544 | # if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ) |
0de8cad8 |
545 | PL_reentrant_buffer->$sz = SIABUFSIZ; |
10bc17b6 |
546 | # else |
547 | # ifdef __sgi |
0de8cad8 |
548 | PL_reentrant_buffer->$sz = BUFSIZ; |
10bc17b6 |
549 | # else |
0de8cad8 |
550 | PL_reentrant_buffer->$sz = REENTRANTUSUALSIZE; |
10bc17b6 |
551 | # endif |
552 | # endif |
553 | # endif |
554 | EOF |
aa418cf1 |
555 | pushinitfree $genfunc; |
10bc17b6 |
556 | pushssif $endif; |
557 | } |
aa418cf1 |
558 | elsif ($func =~ /^(gethostbyname|getnetbyname|getservbyname|getprotobyname)$/) { |
10bc17b6 |
559 | pushssif $ifdef; |
aa418cf1 |
560 | my $genfunc = $func; |
561 | $genfunc =~ s/byname/ent/; |
562 | $genfunc =~ s/^get//; |
563 | my $GENFUNC = uc $genfunc; |
564 | my $D = ifprotomatch($FUNC, grep {/D/} @p); |
565 | my $d = $seend{$func}; |
31ee0cb7 |
566 | $d =~ s/\*$//; # snip: we need need the base type. |
10bc17b6 |
567 | push @struct, <<EOF; |
aa418cf1 |
568 | $seent{$func} _${genfunc}_struct; |
10bc17b6 |
569 | # if $D |
aa418cf1 |
570 | $d _${genfunc}_data; |
10bc17b6 |
571 | # else |
aa418cf1 |
572 | char* _${genfunc}_buffer; |
573 | size_t _${genfunc}_size; |
10bc17b6 |
574 | # endif |
aa418cf1 |
575 | # ifdef USE_${GENFUNC}_PTR |
576 | $seent{$func}* _${genfunc}_ptr; |
10bc17b6 |
577 | # endif |
578 | EOF |
579 | push @struct, <<EOF; |
aa418cf1 |
580 | # ifdef USE_${GENFUNC}_ERRNO |
581 | int _${genfunc}_errno; |
10bc17b6 |
582 | # endif |
583 | EOF |
584 | push @size, <<EOF; |
585 | #if !($D) |
aa418cf1 |
586 | PL_reentrant_buffer->_${genfunc}_size = REENTRANTUSUALSIZE; |
10bc17b6 |
587 | #endif |
588 | EOF |
589 | push @init, <<EOF; |
590 | #if !($D) |
aa418cf1 |
591 | New(31338, PL_reentrant_buffer->_${genfunc}_buffer, PL_reentrant_buffer->_${genfunc}_size, char); |
10bc17b6 |
592 | #endif |
593 | EOF |
594 | push @free, <<EOF; |
595 | #if !($D) |
aa418cf1 |
596 | Safefree(PL_reentrant_buffer->_${genfunc}_buffer); |
10bc17b6 |
597 | #endif |
598 | EOF |
599 | pushssif $endif; |
600 | } |
aa418cf1 |
601 | elsif ($func =~ /^(readdir|readdir64)$/) { |
10bc17b6 |
602 | pushssif $ifdef; |
aa418cf1 |
603 | my $R = ifprotomatch($FUNC, grep {/R/} @p); |
10bc17b6 |
604 | push @struct, <<EOF; |
aa418cf1 |
605 | $seent{$func}* _${func}_struct; |
606 | size_t _${func}_size; |
10bc17b6 |
607 | # if $R |
aa418cf1 |
608 | $seent{$func}* _${func}_ptr; |
10bc17b6 |
609 | # endif |
610 | EOF |
611 | push @size, <<EOF; |
612 | /* This is the size Solaris recommends. |
613 | * (though we go static, should use pathconf() instead) */ |
aa418cf1 |
614 | PL_reentrant_buffer->_${func}_size = sizeof($seent{$func}) + MAXPATHLEN + 1; |
10bc17b6 |
615 | EOF |
616 | push @init, <<EOF; |
aa418cf1 |
617 | PL_reentrant_buffer->_${func}_struct = ($seent{$func}*)safemalloc(PL_reentrant_buffer->_${func}_size); |
10bc17b6 |
618 | EOF |
619 | push @free, <<EOF; |
aa418cf1 |
620 | Safefree(PL_reentrant_buffer->_${func}_struct); |
10bc17b6 |
621 | EOF |
622 | pushssif $endif; |
623 | } |
624 | |
625 | push @wrap, $ifdef; |
626 | |
10bc17b6 |
627 | push @wrap, <<EOF; |
aa418cf1 |
628 | # undef $func |
10bc17b6 |
629 | EOF |
aa418cf1 |
630 | |
631 | # Write out what we have learned. |
632 | |
10bc17b6 |
633 | my @v = 'a'..'z'; |
aa418cf1 |
634 | my $v = join(", ", @v[0..$seenu{$func}-1]); |
10bc17b6 |
635 | for my $p (@p) { |
636 | my ($r, $a) = split '_', $p; |
637 | my $test = $r eq 'I' ? ' == 0' : ''; |
638 | my $true = 1; |
aa418cf1 |
639 | my $genfunc = $func; |
640 | if ($genfunc =~ /^(?:get|set|end)(pw|gr|host|net|proto|serv|sp)/) { |
641 | $genfunc = "${1}ent"; |
642 | } elsif ($genfunc eq 'srand48') { |
643 | $genfunc = "drand48"; |
10bc17b6 |
644 | } |
645 | my $b = $a; |
646 | my $w = ''; |
aa418cf1 |
647 | substr($b, 0, $seenu{$func}) = ''; |
a845a0d4 |
648 | if ($func =~ /^random$/) { |
649 | $true = "PL_reentrant_buffer->_random_retval"; |
650 | } elsif ($b =~ /R/) { |
aa418cf1 |
651 | $true = "PL_reentrant_buffer->_${genfunc}_ptr"; |
652 | } elsif ($b =~ /T/ && $func eq 'drand48') { |
653 | $true = "PL_reentrant_buffer->_${genfunc}_double"; |
10bc17b6 |
654 | } elsif ($b =~ /S/) { |
aa418cf1 |
655 | if ($func =~ /^readdir/) { |
656 | $true = "PL_reentrant_buffer->_${genfunc}_struct"; |
10bc17b6 |
657 | } else { |
aa418cf1 |
658 | $true = "&PL_reentrant_buffer->_${genfunc}_struct"; |
10bc17b6 |
659 | } |
660 | } elsif ($b =~ /B/) { |
aa418cf1 |
661 | $true = "PL_reentrant_buffer->_${genfunc}_buffer"; |
10bc17b6 |
662 | } |
663 | if (length $b) { |
664 | $w = join ", ", |
665 | map { |
666 | $_ eq 'R' ? |
aa418cf1 |
667 | "&PL_reentrant_buffer->_${genfunc}_ptr" : |
10bc17b6 |
668 | $_ eq 'E' ? |
aa418cf1 |
669 | "&PL_reentrant_buffer->_${genfunc}_errno" : |
10bc17b6 |
670 | $_ eq 'B' ? |
aa418cf1 |
671 | "PL_reentrant_buffer->_${genfunc}_buffer" : |
10bc17b6 |
672 | $_ =~ /^[WI]$/ ? |
aa418cf1 |
673 | "PL_reentrant_buffer->_${genfunc}_size" : |
10bc17b6 |
674 | $_ eq 'H' ? |
aa418cf1 |
675 | "&PL_reentrant_buffer->_${genfunc}_fptr" : |
10bc17b6 |
676 | $_ eq 'D' ? |
aa418cf1 |
677 | "&PL_reentrant_buffer->_${genfunc}_data" : |
10bc17b6 |
678 | $_ eq 'S' ? |
05404ffe |
679 | ($func =~ /^readdir\d*$/ ? |
aa418cf1 |
680 | "PL_reentrant_buffer->_${genfunc}_struct" : |
05404ffe |
681 | $func =~ /^crypt$/ ? |
682 | "PL_reentrant_buffer->_${genfunc}_struct_buffer" : |
683 | "&PL_reentrant_buffer->_${genfunc}_struct") : |
aa418cf1 |
684 | $_ eq 'T' && $func eq 'drand48' ? |
685 | "&PL_reentrant_buffer->_${genfunc}_double" : |
a845a0d4 |
686 | $_ =~ /^[ilt]$/ && $func eq 'random' ? |
687 | "&PL_reentrant_buffer->_random_retval" : |
10bc17b6 |
688 | $_ |
689 | } split '', $b; |
690 | $w = ", $w" if length $v; |
691 | } |
aa418cf1 |
692 | my $call = "${func}_r($v$w)"; |
23e2b7a9 |
693 | |
694 | # Must make OpenBSD happy |
695 | my $memzero = ''; |
696 | if($p =~ /D$/ && |
697 | ($genfunc eq 'protoent' || $genfunc eq 'servent')) { |
698 | $memzero = 'REENTR_MEMZERO(&PL_reentrant_buffer->_' . $genfunc . '_data, sizeof(PL_reentrant_buffer->_' . $genfunc . '_data))'; |
699 | } |
10bc17b6 |
700 | push @wrap, <<EOF; |
aa418cf1 |
701 | # if !defined($func) && ${FUNC}_R_PROTO == REENTRANT_PROTO_$p |
10bc17b6 |
702 | EOF |
703 | if ($r eq 'V' || $r eq 'B') { |
704 | push @wrap, <<EOF; |
aa418cf1 |
705 | # define $func($v) $call |
10bc17b6 |
706 | EOF |
707 | } else { |
aa418cf1 |
708 | if ($func =~ /^get/) { |
edd309b7 |
709 | my $rv = $v ? ", $v" : ""; |
0891a229 |
710 | if ($r eq 'I') { |
711 | push @wrap, <<EOF; |
23e2b7a9 |
712 | # define $func($v) ($memzero(PL_reentrant_retint = $call)$test ? $true : (((PL_reentrant_retint == ERANGE) || (errno == ERANGE)) ? ($seent{$func} *) Perl_reentrant_retry("$func"$rv) : 0)) |
0891a229 |
713 | EOF |
714 | } else { |
715 | push @wrap, <<EOF; |
f6f0b69b |
716 | # define $func($v) ($call$test ? $true : ((errno == ERANGE) ? ($seent{$func} *) Perl_reentrant_retry("$func"$rv) : 0)) |
10bc17b6 |
717 | EOF |
0891a229 |
718 | } |
edd309b7 |
719 | } else { |
720 | push @wrap, <<EOF; |
aa418cf1 |
721 | # define $func($v) ($call$test ? $true : 0) |
edd309b7 |
722 | EOF |
723 | } |
10bc17b6 |
724 | } |
725 | push @wrap, <<EOF; |
726 | # endif |
727 | EOF |
728 | } |
729 | |
730 | push @wrap, $endif, "\n"; |
731 | } |
732 | } |
733 | |
734 | local $" = ''; |
735 | |
736 | print <<EOF; |
737 | |
738 | /* Defines for indicating which special features are supported. */ |
739 | |
740 | @define |
741 | typedef struct { |
742 | @struct |
aa418cf1 |
743 | int dummy; /* cannot have empty structs */ |
10bc17b6 |
744 | } REENTR; |
745 | |
746 | /* The wrappers. */ |
747 | |
748 | @wrap |
0891a229 |
749 | |
10bc17b6 |
750 | #endif /* USE_REENTRANT_API */ |
751 | |
752 | #endif |
753 | |
754 | EOF |
755 | |
756 | close(H); |
757 | |
aa418cf1 |
758 | # Prepare to write the reentr.c. |
759 | |
10bc17b6 |
760 | die "reentr.c: $!" unless open(C, ">reentr.c"); |
761 | select C; |
762 | print <<EOF; |
763 | /* |
764 | * reentr.c |
765 | * |
4bb101f2 |
766 | * Copyright (C) 2002, 2003, by Larry Wall and others |
10bc17b6 |
767 | * |
768 | * You may distribute under the terms of either the GNU General Public |
769 | * License or the Artistic License, as specified in the README file. |
770 | * |
771 | * !!!!!!! DO NOT EDIT THIS FILE !!!!!!! |
61296642 |
772 | * This file is built by reentr.pl from data in reentr.pl. |
10bc17b6 |
773 | * |
774 | * "Saruman," I said, standing away from him, "only one hand at a time can |
775 | * wield the One, and you know that well, so do not trouble to say we!" |
776 | * |
61296642 |
777 | * This file contains a collection of automatically created wrappers |
778 | * (created by running reentr.pl) for reentrant (thread-safe) versions of |
779 | * various library calls, such as getpwent_r. The wrapping is done so |
780 | * that other files like pp_sys.c calling those library functions need not |
781 | * care about the differences between various platforms' idiosyncrasies |
782 | * regarding these reentrant interfaces. |
10bc17b6 |
783 | */ |
784 | |
785 | #include "EXTERN.h" |
786 | #define PERL_IN_REENTR_C |
787 | #include "perl.h" |
788 | #include "reentr.h" |
789 | |
790 | void |
791 | Perl_reentrant_size(pTHX) { |
792 | #ifdef USE_REENTRANT_API |
8695fa85 |
793 | #define REENTRANTSMALLSIZE 256 /* Make something up. */ |
794 | #define REENTRANTUSUALSIZE 4096 /* Make something up. */ |
10bc17b6 |
795 | @size |
796 | #endif /* USE_REENTRANT_API */ |
797 | } |
798 | |
799 | void |
800 | Perl_reentrant_init(pTHX) { |
801 | #ifdef USE_REENTRANT_API |
802 | New(31337, PL_reentrant_buffer, 1, REENTR); |
803 | Perl_reentrant_size(aTHX); |
804 | @init |
805 | #endif /* USE_REENTRANT_API */ |
806 | } |
807 | |
808 | void |
809 | Perl_reentrant_free(pTHX) { |
810 | #ifdef USE_REENTRANT_API |
811 | @free |
812 | Safefree(PL_reentrant_buffer); |
813 | #endif /* USE_REENTRANT_API */ |
814 | } |
815 | |
edd309b7 |
816 | void* |
817 | Perl_reentrant_retry(const char *f, ...) |
818 | { |
27da23d5 |
819 | dVAR; dTHX; |
edd309b7 |
820 | void *retptr = NULL; |
821 | #ifdef USE_REENTRANT_API |
0891a229 |
822 | # if defined(USE_HOSTENT_BUFFER) || defined(USE_GRENT_BUFFER) || defined(USE_NETENT_BUFFER) || defined(USE_PWENT_BUFFER) || defined(USE_PROTOENT_BUFFER) || defined(USE_SERVENT_BUFFER) |
e3410746 |
823 | void *p0; |
824 | # endif |
f7937171 |
825 | # if defined(USE_SERVENT_BUFFER) |
e3410746 |
826 | void *p1; |
827 | # endif |
f7937171 |
828 | # if defined(USE_HOSTENT_BUFFER) |
edd309b7 |
829 | size_t asize; |
e3410746 |
830 | # endif |
f7937171 |
831 | # if defined(USE_HOSTENT_BUFFER) || defined(USE_NETENT_BUFFER) || defined(USE_PROTOENT_BUFFER) || defined(USE_SERVENT_BUFFER) |
edd309b7 |
832 | int anint; |
e3410746 |
833 | # endif |
edd309b7 |
834 | va_list ap; |
835 | |
836 | va_start(ap, f); |
837 | |
edd309b7 |
838 | switch (PL_op->op_type) { |
f7937171 |
839 | #ifdef USE_HOSTENT_BUFFER |
edd309b7 |
840 | case OP_GHBYADDR: |
841 | case OP_GHBYNAME: |
842 | case OP_GHOSTENT: |
843 | { |
af685957 |
844 | #ifdef PERL_REENTRANT_MAXSIZE |
845 | if (PL_reentrant_buffer->_hostent_size <= |
846 | PERL_REENTRANT_MAXSIZE / 2) |
847 | #endif |
848 | { |
f7937171 |
849 | PL_reentrant_buffer->_hostent_size *= 2; |
850 | Renew(PL_reentrant_buffer->_hostent_buffer, |
851 | PL_reentrant_buffer->_hostent_size, char); |
edd309b7 |
852 | switch (PL_op->op_type) { |
853 | case OP_GHBYADDR: |
854 | p0 = va_arg(ap, void *); |
855 | asize = va_arg(ap, size_t); |
856 | anint = va_arg(ap, int); |
857 | retptr = gethostbyaddr(p0, asize, anint); break; |
858 | case OP_GHBYNAME: |
859 | p0 = va_arg(ap, void *); |
f6f0b69b |
860 | retptr = gethostbyname((char *)p0); break; |
edd309b7 |
861 | case OP_GHOSTENT: |
862 | retptr = gethostent(); break; |
863 | default: |
0de8cad8 |
864 | SETERRNO(ERANGE, LIB_INVARG); |
edd309b7 |
865 | break; |
866 | } |
867 | } |
868 | } |
869 | break; |
870 | #endif |
f7937171 |
871 | #ifdef USE_GRENT_BUFFER |
edd309b7 |
872 | case OP_GGRNAM: |
873 | case OP_GGRGID: |
874 | case OP_GGRENT: |
875 | { |
af685957 |
876 | #ifdef PERL_REENTRANT_MAXSIZE |
877 | if (PL_reentrant_buffer->_grent_size <= |
878 | PERL_REENTRANT_MAXSIZE / 2) |
879 | #endif |
880 | { |
edd309b7 |
881 | Gid_t gid; |
f7937171 |
882 | PL_reentrant_buffer->_grent_size *= 2; |
883 | Renew(PL_reentrant_buffer->_grent_buffer, |
884 | PL_reentrant_buffer->_grent_size, char); |
edd309b7 |
885 | switch (PL_op->op_type) { |
886 | case OP_GGRNAM: |
887 | p0 = va_arg(ap, void *); |
f6f0b69b |
888 | retptr = getgrnam((char *)p0); break; |
edd309b7 |
889 | case OP_GGRGID: |
ab2b559b |
890 | #if Gid_t_size < INTSIZE |
891 | gid = (Gid_t)va_arg(ap, int); |
892 | #else |
edd309b7 |
893 | gid = va_arg(ap, Gid_t); |
ab2b559b |
894 | #endif |
edd309b7 |
895 | retptr = getgrgid(gid); break; |
896 | case OP_GGRENT: |
897 | retptr = getgrent(); break; |
898 | default: |
0de8cad8 |
899 | SETERRNO(ERANGE, LIB_INVARG); |
edd309b7 |
900 | break; |
901 | } |
902 | } |
903 | } |
904 | break; |
905 | #endif |
f7937171 |
906 | #ifdef USE_NETENT_BUFFER |
edd309b7 |
907 | case OP_GNBYADDR: |
908 | case OP_GNBYNAME: |
909 | case OP_GNETENT: |
910 | { |
af685957 |
911 | #ifdef PERL_REENTRANT_MAXSIZE |
912 | if (PL_reentrant_buffer->_netent_size <= |
913 | PERL_REENTRANT_MAXSIZE / 2) |
914 | #endif |
915 | { |
edd309b7 |
916 | Netdb_net_t net; |
f7937171 |
917 | PL_reentrant_buffer->_netent_size *= 2; |
918 | Renew(PL_reentrant_buffer->_netent_buffer, |
919 | PL_reentrant_buffer->_netent_size, char); |
edd309b7 |
920 | switch (PL_op->op_type) { |
921 | case OP_GNBYADDR: |
922 | net = va_arg(ap, Netdb_net_t); |
923 | anint = va_arg(ap, int); |
924 | retptr = getnetbyaddr(net, anint); break; |
925 | case OP_GNBYNAME: |
926 | p0 = va_arg(ap, void *); |
f6f0b69b |
927 | retptr = getnetbyname((char *)p0); break; |
edd309b7 |
928 | case OP_GNETENT: |
929 | retptr = getnetent(); break; |
930 | default: |
0de8cad8 |
931 | SETERRNO(ERANGE, LIB_INVARG); |
edd309b7 |
932 | break; |
933 | } |
934 | } |
935 | } |
936 | break; |
937 | #endif |
f7937171 |
938 | #ifdef USE_PWENT_BUFFER |
edd309b7 |
939 | case OP_GPWNAM: |
940 | case OP_GPWUID: |
941 | case OP_GPWENT: |
942 | { |
af685957 |
943 | #ifdef PERL_REENTRANT_MAXSIZE |
944 | if (PL_reentrant_buffer->_pwent_size <= |
945 | PERL_REENTRANT_MAXSIZE / 2) |
946 | #endif |
947 | { |
edd309b7 |
948 | Uid_t uid; |
f7937171 |
949 | PL_reentrant_buffer->_pwent_size *= 2; |
950 | Renew(PL_reentrant_buffer->_pwent_buffer, |
951 | PL_reentrant_buffer->_pwent_size, char); |
edd309b7 |
952 | switch (PL_op->op_type) { |
953 | case OP_GPWNAM: |
954 | p0 = va_arg(ap, void *); |
f6f0b69b |
955 | retptr = getpwnam((char *)p0); break; |
edd309b7 |
956 | case OP_GPWUID: |
ab2b559b |
957 | #if Uid_t_size < INTSIZE |
958 | uid = (Uid_t)va_arg(ap, int); |
959 | #else |
edd309b7 |
960 | uid = va_arg(ap, Uid_t); |
ab2b559b |
961 | #endif |
edd309b7 |
962 | retptr = getpwuid(uid); break; |
963 | case OP_GPWENT: |
964 | retptr = getpwent(); break; |
965 | default: |
0de8cad8 |
966 | SETERRNO(ERANGE, LIB_INVARG); |
edd309b7 |
967 | break; |
968 | } |
969 | } |
970 | } |
971 | break; |
972 | #endif |
f7937171 |
973 | #ifdef USE_PROTOENT_BUFFER |
edd309b7 |
974 | case OP_GPBYNAME: |
975 | case OP_GPBYNUMBER: |
976 | case OP_GPROTOENT: |
977 | { |
af685957 |
978 | #ifdef PERL_REENTRANT_MAXSIZE |
979 | if (PL_reentrant_buffer->_protoent_size <= |
980 | PERL_REENTRANT_MAXSIZE / 2) |
981 | #endif |
982 | { |
f7937171 |
983 | PL_reentrant_buffer->_protoent_size *= 2; |
984 | Renew(PL_reentrant_buffer->_protoent_buffer, |
985 | PL_reentrant_buffer->_protoent_size, char); |
edd309b7 |
986 | switch (PL_op->op_type) { |
987 | case OP_GPBYNAME: |
988 | p0 = va_arg(ap, void *); |
f6f0b69b |
989 | retptr = getprotobyname((char *)p0); break; |
edd309b7 |
990 | case OP_GPBYNUMBER: |
991 | anint = va_arg(ap, int); |
992 | retptr = getprotobynumber(anint); break; |
993 | case OP_GPROTOENT: |
994 | retptr = getprotoent(); break; |
995 | default: |
0de8cad8 |
996 | SETERRNO(ERANGE, LIB_INVARG); |
edd309b7 |
997 | break; |
998 | } |
999 | } |
1000 | } |
1001 | break; |
1002 | #endif |
f7937171 |
1003 | #ifdef USE_SERVENT_BUFFER |
edd309b7 |
1004 | case OP_GSBYNAME: |
1005 | case OP_GSBYPORT: |
1006 | case OP_GSERVENT: |
1007 | { |
af685957 |
1008 | #ifdef PERL_REENTRANT_MAXSIZE |
1009 | if (PL_reentrant_buffer->_servent_size <= |
1010 | PERL_REENTRANT_MAXSIZE / 2) |
1011 | #endif |
1012 | { |
f7937171 |
1013 | PL_reentrant_buffer->_servent_size *= 2; |
1014 | Renew(PL_reentrant_buffer->_servent_buffer, |
1015 | PL_reentrant_buffer->_servent_size, char); |
edd309b7 |
1016 | switch (PL_op->op_type) { |
1017 | case OP_GSBYNAME: |
1018 | p0 = va_arg(ap, void *); |
1019 | p1 = va_arg(ap, void *); |
f6f0b69b |
1020 | retptr = getservbyname((char *)p0, (char *)p1); break; |
edd309b7 |
1021 | case OP_GSBYPORT: |
1022 | anint = va_arg(ap, int); |
1023 | p0 = va_arg(ap, void *); |
f6f0b69b |
1024 | retptr = getservbyport(anint, (char *)p0); break; |
edd309b7 |
1025 | case OP_GSERVENT: |
1026 | retptr = getservent(); break; |
1027 | default: |
0de8cad8 |
1028 | SETERRNO(ERANGE, LIB_INVARG); |
edd309b7 |
1029 | break; |
1030 | } |
1031 | } |
1032 | } |
1033 | break; |
1034 | #endif |
1035 | default: |
1036 | /* Not known how to retry, so just fail. */ |
1037 | break; |
1038 | } |
1039 | |
1040 | va_end(ap); |
1041 | #endif |
1042 | return retptr; |
1043 | } |
1044 | |
10bc17b6 |
1045 | EOF |
1046 | |
1047 | __DATA__ |
1048 | asctime S |time |const struct tm|B_SB|B_SBI|I_SB|I_SBI |
b430fd04 |
1049 | crypt CC |crypt |struct crypt_data|B_CCS|B_CCD|D=CRYPTD* |
10bc17b6 |
1050 | ctermid B |stdio | |B_B |
1051 | ctime S |time |const time_t |B_SB|B_SBI|I_SB|I_SBI |
1052 | drand48 |stdlib |struct drand48_data |I_ST|T=double* |
1053 | endgrent |grp | |I_H|V_H |
31ee0cb7 |
1054 | endhostent |netdb | |I_D|V_D|D=struct hostent_data* |
1055 | endnetent |netdb | |I_D|V_D|D=struct netent_data* |
1056 | endprotoent |netdb | |I_D|V_D|D=struct protoent_data* |
10bc17b6 |
1057 | endpwent |pwd | |I_H|V_H |
31ee0cb7 |
1058 | endservent |netdb | |I_D|V_D|D=struct servent_data* |
10bc17b6 |
1059 | getgrent |grp |struct group |I_SBWR|I_SBIR|S_SBW|S_SBI|I_SBI|I_SBIH |
1060 | getgrgid T |grp |struct group |I_TSBWR|I_TSBIR|I_TSBI|S_TSBI|T=gid_t |
1061 | getgrnam C |grp |struct group |I_CSBWR|I_CSBIR|S_CBI|I_CSBI|S_CSBI |
a845a0d4 |
1062 | 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|I_TsISBWRE|D=struct hostent_data*|T=const void*|s=socklen_t |
10bc17b6 |
1063 | gethostbyname C |netdb |struct hostent |I_CSBWRE|S_CSBIE|I_CSD|D=struct hostent_data* |
1064 | gethostent |netdb |struct hostent |I_SBWRE|I_SBIE|S_SBIE|S_SBI|I_SBI|I_SD|D=struct hostent_data* |
f6f0b69b |
1065 | getlogin |unistd |char |I_BW|I_BI|B_BW|B_BI |
a845a0d4 |
1066 | getnetbyaddr LI |netdb |struct netent |I_UISBWRE|I_LISBI|S_TISBI|S_LISBI|I_TISD|I_LISD|I_IISD|I_uISBWRE|D=struct netent_data*|T=in_addr_t|U=unsigned long|u=uint32_t |
10bc17b6 |
1067 | getnetbyname C |netdb |struct netent |I_CSBWRE|I_CSBI|S_CSBI|I_CSD|D=struct netent_data* |
1068 | getnetent |netdb |struct netent |I_SBWRE|I_SBIE|S_SBIE|S_SBI|I_SBI|I_SD|D=struct netent_data* |
1069 | getprotobyname C|netdb |struct protoent|I_CSBWR|S_CSBI|I_CSD|D=struct protoent_data* |
1070 | getprotobynumber I |netdb |struct protoent|I_ISBWR|S_ISBI|I_ISD|D=struct protoent_data* |
1071 | getprotoent |netdb |struct protoent|I_SBWR|I_SBI|S_SBI|I_SD|D=struct protoent_data* |
1072 | getpwent |pwd |struct passwd |I_SBWR|I_SBIR|S_SBW|S_SBI|I_SBI|I_SBIH |
1073 | getpwnam C |pwd |struct passwd |I_CSBWR|I_CSBIR|S_CSBI|I_CSBI |
1074 | getpwuid T |pwd |struct passwd |I_TSBWR|I_TSBIR|I_TSBI|S_TSBI|T=uid_t |
1075 | getservbyname CC|netdb |struct servent |I_CCSBWR|S_CCSBI|I_CCSD|D=struct servent_data* |
1076 | getservbyport IC|netdb |struct servent |I_ICSBWR|S_ICSBI|I_ICSD|D=struct servent_data* |
1077 | getservent |netdb |struct servent |I_SBWR|I_SBI|S_SBI|I_SD|D=struct servent_data* |
1078 | getspnam C |shadow |struct spwd |I_CSBWR|S_CSBI |
1079 | gmtime T |time |struct tm |S_TS|I_TS|T=const time_t* |
1080 | localtime T |time |struct tm |S_TS|I_TS|T=const time_t* |
a845a0d4 |
1081 | random |stdlib |struct random_data|I_iS|I_lS|I_St|i=int*|l=long*|t=int32_t* |
10bc17b6 |
1082 | readdir T |dirent |struct dirent |I_TSR|I_TS|T=DIR* |
1083 | readdir64 T |dirent |struct dirent64|I_TSR|I_TS|T=DIR* |
1084 | setgrent |grp | |I_H|V_H |
1085 | sethostent I |netdb | |I_ID|V_ID|D=struct hostent_data* |
1086 | setlocale IC |locale | |I_ICBI |
1087 | setnetent I |netdb | |I_ID|V_ID|D=struct netent_data* |
1088 | setprotoent I |netdb | |I_ID|V_ID|D=struct protoent_data* |
1089 | setpwent |pwd | |I_H|V_H |
1090 | setservent I |netdb | |I_ID|V_ID|D=struct servent_data* |
1091 | srand48 L |stdlib |struct drand48_data |I_LS |
1092 | srandom T |stdlib |struct random_data|I_TS|T=unsigned int |
1093 | strerror I |string | |I_IBW|I_IBI|B_IBW |
1094 | tmpnam B |stdio | |B_B |
1095 | ttyname I |unistd | |I_IBW|I_IBI|B_IBI |