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| 10bc17b6 |
1 | #!/usr/bin/perl -w |
| 2 | |
| 3 | # |
| 4 | # Generate the reentr.c and reentr.h, |
| 5 | # and optionally also the relevant metaconfig units (-U option). |
| 6 | # |
| 7 | |
| 8 | use strict; |
| 9 | use Getopt::Std; |
| 10 | my %opts; |
| 11 | getopts('U', \%opts); |
| 12 | |
| 13 | my %map = ( |
| 14 | V => "void", |
| 15 | A => "char*", # as an input argument |
| 16 | B => "char*", # as an output argument |
| 17 | C => "const char*", # as a read-only input argument |
| 18 | I => "int", |
| 19 | L => "long", |
| 20 | W => "size_t", |
| 21 | H => "FILE**", |
| 22 | E => "int*", |
| 23 | ); |
| 24 | |
| 25 | # (See the definitions after __DATA__.) |
| 26 | # In func|inc|type|... a "S" means "type*", and a "R" means "type**". |
| 27 | # (The "types" are often structs, such as "struct passwd".) |
| 28 | # |
| 29 | # After the prototypes one can have |X=...|Y=... to define more types. |
| 30 | # A commonly used extra type is to define D to be equal to "type_data", |
| 31 | # for example "struct_hostent_data to" go with "struct hostent". |
| 32 | # |
| 33 | # Example #1: I_XSBWR means int func_r(X, type, char*, size_t, type**) |
| 34 | # Example #2: S_SBIE means type func_r(type, char*, int, int*) |
| 35 | # Example #3: S_CBI means type func_r(const char*, char*, int) |
| 36 | |
| 37 | |
| 38 | die "reentr.h: $!" unless open(H, ">reentr.h"); |
| 39 | select H; |
| 40 | print <<EOF; |
| 41 | /* |
| 42 | * reentr.h |
| 43 | * |
| 44 | * Copyright (c) 1997-2002, Larry Wall |
| 45 | * |
| 46 | * You may distribute under the terms of either the GNU General Public |
| 47 | * License or the Artistic License, as specified in the README file. |
| 48 | * |
| 49 | * !!!!!!! DO NOT EDIT THIS FILE !!!!!!! |
| 50 | * This file is built by reentrl.pl from data in reentr.pl. |
| 51 | */ |
| 52 | |
| 53 | #ifndef REENTR_H |
| 54 | #define REENTR_H |
| 55 | |
| 56 | #ifdef USE_REENTRANT_API |
| 57 | |
| 58 | /* Deprecations: some platforms have the said reentrant interfaces |
| 59 | * but they are declared obsolete and are not to be used. Often this |
| 60 | * means that the platform has threadsafed the interfaces (hopefully). |
| 61 | * All this is OS version dependent, so we are of course fooling ourselves. |
| 62 | * If you know of more deprecations on some platforms, please add your own. */ |
| 63 | |
| 64 | #ifdef __hpux |
| 65 | # undef HAS_CRYPT_R |
| 66 | # undef HAS_DRAND48_R |
| efa45b01 |
67 | # undef HAS_ENDGRENT_R |
| 68 | # undef HAS_ENDPWENT_R |
| 10bc17b6 |
69 | # undef HAS_GETGRENT_R |
| 70 | # undef HAS_GETPWENT_R |
| 71 | # undef HAS_SETLOCALE_R |
| 72 | # undef HAS_SRAND48_R |
| 73 | # undef HAS_STRERROR_R |
| 74 | # define NETDB_R_OBSOLETE |
| 75 | #endif |
| 76 | |
| 77 | #if defined(__osf__) && defined(__alpha) /* Tru64 aka Digital UNIX */ |
| 78 | # undef HAS_CRYPT_R |
| 79 | # undef HAS_STRERROR_R |
| 80 | # define NETDB_R_OBSOLETE |
| 81 | #endif |
| 82 | |
| 83 | #ifdef NETDB_R_OBSOLETE |
| 84 | # undef HAS_ENDHOSTENT_R |
| 85 | # undef HAS_ENDNETENT_R |
| 86 | # undef HAS_ENDPROTOENT_R |
| 87 | # undef HAS_ENDSERVENT_R |
| 88 | # undef HAS_GETHOSTBYADDR_R |
| 89 | # undef HAS_GETHOSTBYNAME_R |
| 90 | # undef HAS_GETHOSTENT_R |
| 91 | # undef HAS_GETNETBYADDR_R |
| 92 | # undef HAS_GETNETBYNAME_R |
| 93 | # undef HAS_GETNETENT_R |
| 94 | # undef HAS_GETPROTOBYNAME_R |
| 95 | # undef HAS_GETPROTOBYNUMBER_R |
| 96 | # undef HAS_GETPROTOENT_R |
| 97 | # undef HAS_GETSERVBYNAME_R |
| 98 | # undef HAS_GETSERVBYPORT_R |
| 99 | # undef HAS_GETSERVENT_R |
| 100 | # undef HAS_SETHOSTENT_R |
| 101 | # undef HAS_SETNETENT_R |
| 102 | # undef HAS_SETPROTOENT_R |
| 103 | # undef HAS_SETSERVENT_R |
| 104 | #endif |
| 105 | |
| 106 | #ifdef I_PWD |
| 107 | # include <pwd.h> |
| 108 | #endif |
| 109 | #ifdef I_GRP |
| 110 | # include <grp.h> |
| 111 | #endif |
| 112 | #ifdef I_NETDB |
| 113 | # include <netdb.h> |
| 114 | #endif |
| 115 | #ifdef I_STDLIB |
| 116 | # include <stdlib.h> /* drand48_data */ |
| 117 | #endif |
| 118 | #ifdef I_CRYPT |
| 119 | # ifdef I_CRYPT |
| 120 | # include <crypt.h> |
| 121 | # endif |
| 122 | #endif |
| 123 | #ifdef HAS_GETSPNAM_R |
| 124 | # ifdef I_SHADOW |
| 125 | # include <shadow.h> |
| 126 | # endif |
| 127 | #endif |
| 128 | |
| 129 | EOF |
| 130 | |
| 131 | my %seenh; |
| 132 | my %seena; |
| 133 | my @seenf; |
| 134 | my %seenp; |
| 135 | my %seent; |
| 136 | my %seens; |
| 137 | my %seend; |
| 138 | my %seenu; |
| 139 | |
| 140 | while (<DATA>) { |
| 141 | next if /^\s+$/; |
| 142 | chomp; |
| 143 | my ($f, $h, $t, @p) = split(/\s*\|\s*/, $_, -1); |
| 144 | my $u; |
| 145 | ($f, $u) = split(' ', $f); |
| 146 | $seenu{$f} = defined $u ? length $u : 0; |
| 147 | my $F = uc $f; |
| 148 | push @seenf, $f; |
| 149 | my %m = %map; |
| 150 | if ($t) { |
| 151 | $m{S} = "$t*"; |
| 152 | $m{R} = "$t**"; |
| 153 | } |
| 154 | if (@p) { |
| 155 | while ($p[-1] =~ /=/) { |
| 156 | my ($k, $v) = ($p[-1] =~ /^([A-Za-z])\s*=\s*(.*)/); |
| 157 | $m{$k} = $v; |
| 158 | pop @p; |
| 159 | } |
| 160 | } |
| 161 | if ($opts{U} && open(U, ">d_${f}_r.U")) { |
| 162 | select U; |
| 163 | } |
| 164 | my $prereqh = $h eq 'stdio' ? '' : "i_$h"; # There's no i_stdio. |
| 165 | print <<EOF if $opts{U}; |
| 166 | ?RCS: \$Id: d_${f}_r.U,v $ |
| 167 | ?RCS: |
| 168 | ?RCS: Copyright (c) 2002 Jarkko Hietaniemi |
| 169 | ?RCS: |
| 170 | ?RCS: You may distribute under the terms of either the GNU General Public |
| 171 | ?RCS: License or the Artistic License, as specified in the README file. |
| 172 | ?RCS: |
| 173 | ?RCS: Generated by the reentr.pl from the Perl 5.8 distribution. |
| 174 | ?RCS: |
| c18e646a |
175 | ?MAKE:d_${f}_r ${f}_r_proto: Inlibc Protochk Hasproto i_systypes $prereqh usethreads |
| 10bc17b6 |
176 | ?MAKE: -pick add \$@ %< |
| 177 | ?S:d_${f}_r: |
| 178 | ?S: This variable conditionally defines the HAS_${F}_R symbol, |
| 179 | ?S: which indicates to the C program that the ${f}_r() |
| 180 | ?S: routine is available. |
| 181 | ?S:. |
| 182 | ?S:${f}_r_proto: |
| 183 | ?S: This variable encodes the prototype of ${f}_r. |
| 184 | ?S:. |
| 185 | ?C:HAS_${F}_R: |
| 186 | ?C: This symbol, if defined, indicates that the ${f}_r routine |
| 187 | ?C: is available to ${f} re-entrantly. |
| 188 | ?C:. |
| 189 | ?C:${F}_R_PROTO: |
| 190 | ?C: This symbol encodes the prototype of ${f}_r. |
| 191 | ?C:. |
| 192 | ?H:#\$d_${f}_r HAS_${F}_R /**/ |
| 193 | ?H:#define ${F}_R_PROTO \$${f}_r_proto /**/ |
| 194 | ?H:. |
| a48ec845 |
195 | ?T:try hdrs d_${f}_r_proto |
| 10bc17b6 |
196 | ?LINT:set d_${f}_r |
| 197 | ?LINT:set ${f}_r_proto |
| 198 | : see if ${f}_r exists |
| 199 | set ${f}_r d_${f}_r |
| 200 | eval \$inlibc |
| 201 | case "\$d_${f}_r" in |
| 202 | "\$define") |
| 203 | hdrs="\$i_systypes sys/types.h define stdio.h \$i_${h} $h.h" |
| c18e646a |
204 | case "\$d_${f}_r_proto:\$usethreads" in |
| 205 | ":define") d_${f}_r_proto=define |
| a48ec845 |
206 | set d_${f}_r_proto ${f}_r \$hdrs |
| 207 | eval \$hasproto ;; |
| 208 | *) ;; |
| 209 | esac |
| 210 | case "\$d_${f}_r_proto" in |
| 211 | define) |
| 10bc17b6 |
212 | EOF |
| 213 | for my $p (@p) { |
| 214 | my ($r, $a) = ($p =~ /^(.)_(.+)/); |
| 215 | my $v = join(", ", map { $m{$_} } split '', $a); |
| 216 | if ($opts{U}) { |
| 217 | print <<EOF ; |
| 218 | case "\$${f}_r_proto" in |
| 219 | ''|0) try='$m{$r} ${f}_r($v);' |
| 220 | ./protochk "extern \$try" \$hdrs && ${f}_r_proto=$p ;; |
| 221 | esac |
| 222 | EOF |
| 223 | } |
| 224 | $seenh{$f}->{$p}++; |
| 225 | push @{$seena{$f}}, $p; |
| 226 | $seenp{$p}++; |
| 227 | $seent{$f} = $t; |
| 228 | $seens{$f} = $m{S}; |
| 229 | $seend{$f} = $m{D}; |
| 230 | } |
| 231 | if ($opts{U}) { |
| 232 | print <<EOF; |
| 233 | case "\$${f}_r_proto" in |
| 234 | '') d_${f}_r=undef |
| 235 | ${f}_r_proto=0 |
| a48ec845 |
236 | echo "Disabling ${f}_r, cannot determine prototype." >&4 ;; |
| 10bc17b6 |
237 | * ) case "\$${f}_r_proto" in |
| 238 | REENTRANT_PROTO*) ;; |
| 239 | *) ${f}_r_proto="REENTRANT_PROTO_\$${f}_r_proto" ;; |
| 240 | esac |
| 241 | echo "Prototype: \$try" ;; |
| 242 | esac |
| 243 | ;; |
| c18e646a |
244 | *) case "\$usethreads" in |
| 245 | define) echo "${f}_r has no prototype, not using it." >&4 ;; |
| 246 | esac |
| 247 | ;; |
| a48ec845 |
248 | esac |
| 249 | ;; |
| 10bc17b6 |
250 | *) ${f}_r_proto=0 |
| 251 | ;; |
| 252 | esac |
| 253 | |
| 254 | EOF |
| 255 | close(U); |
| 256 | } |
| 257 | } |
| 258 | |
| 259 | close DATA; |
| 260 | |
| 261 | select H; |
| 262 | |
| 263 | { |
| 264 | my $i = 1; |
| 265 | for my $p (sort keys %seenp) { |
| 266 | print "#define REENTRANT_PROTO_${p} ${i}\n"; |
| 267 | $i++; |
| 268 | } |
| 269 | } |
| 270 | |
| 271 | sub ifprotomatch { |
| 272 | my $F = shift; |
| 273 | join " || ", map { "${F}_R_PROTO == REENTRANT_PROTO_$_" } @_; |
| 274 | } |
| 275 | |
| 276 | my @struct; |
| 277 | my @size; |
| 278 | my @init; |
| 279 | my @free; |
| 280 | my @wrap; |
| 281 | my @define; |
| 282 | |
| 283 | sub pushssif { |
| 284 | push @struct, @_; |
| 285 | push @size, @_; |
| 286 | push @init, @_; |
| 287 | push @free, @_; |
| 288 | } |
| 289 | |
| 290 | sub pushinitfree { |
| 291 | my $f = shift; |
| 292 | push @init, <<EOF; |
| 293 | New(31338, PL_reentrant_buffer->_${f}_buffer, PL_reentrant_buffer->_${f}_size, char); |
| 294 | EOF |
| 295 | push @free, <<EOF; |
| 296 | Safefree(PL_reentrant_buffer->_${f}_buffer); |
| 297 | EOF |
| 298 | } |
| 299 | |
| 300 | sub define { |
| 301 | my ($n, $p, @F) = @_; |
| 302 | my @H; |
| 303 | my $H = uc $F[0]; |
| 304 | push @define, <<EOF; |
| 305 | /* The @F using \L$n? */ |
| 306 | |
| 307 | EOF |
| 308 | for my $f (@F) { |
| 309 | my $F = uc $f; |
| 310 | my $h = "${F}_R_HAS_$n"; |
| 311 | push @H, $h; |
| 312 | my @h = grep { /$p/ } @{$seena{$f}}; |
| 313 | if (@h) { |
| 09310450 |
314 | push @define, "#if defined(HAS_${F}_R) && (" . join(" || ", map { "${F}_R_PROTO == REENTRANT_PROTO_$_" } @h) . ")\n"; |
| 10bc17b6 |
315 | |
| 316 | push @define, <<EOF; |
| 317 | # define $h |
| 318 | #else |
| 319 | # undef $h |
| 320 | #endif |
| 321 | EOF |
| 322 | } |
| 323 | } |
| 324 | push @define, <<EOF; |
| 325 | |
| 326 | /* Any of the @F using \L$n? */ |
| 327 | |
| 328 | EOF |
| 329 | push @define, "#if (" . join(" || ", map { "defined($_)" } @H) . ")\n"; |
| 330 | push @define, <<EOF; |
| 331 | # define USE_${H}_$n |
| 332 | #else |
| 333 | # undef USE_${H}_$n |
| 334 | #endif |
| 335 | |
| 336 | EOF |
| 337 | } |
| 338 | |
| edd309b7 |
339 | define('BUFFER', 'B', |
| 340 | qw(getgrent getgrgid getgrnam)); |
| 341 | |
| 10bc17b6 |
342 | define('PTR', 'R', |
| 343 | qw(getgrent getgrgid getgrnam)); |
| 344 | define('PTR', 'R', |
| 345 | qw(getpwent getpwnam getpwuid)); |
| 346 | define('PTR', 'R', |
| 347 | qw(getspent getspnam)); |
| 348 | |
| 349 | define('FPTR', 'H', |
| 350 | qw(getgrent getgrgid getgrnam)); |
| 351 | define('FPTR', 'H', |
| 352 | qw(getpwent getpwnam getpwuid)); |
| 353 | |
| edd309b7 |
354 | define('BUFFER', 'B', |
| 355 | qw(getpwent getpwgid getpwnam)); |
| 356 | |
| 10bc17b6 |
357 | define('PTR', 'R', |
| 358 | qw(gethostent gethostbyaddr gethostbyname)); |
| 359 | define('PTR', 'R', |
| 360 | qw(getnetent getnetbyaddr getnetbyname)); |
| 361 | define('PTR', 'R', |
| 362 | qw(getprotoent getprotobyname getprotobynumber)); |
| 363 | define('PTR', 'R', |
| 364 | qw(getservent getservbyname getservbyport)); |
| 365 | |
| edd309b7 |
366 | define('BUFFER', 'B', |
| 367 | qw(gethostent gethostbyaddr gethostbyname)); |
| 368 | define('BUFFER', 'B', |
| 369 | qw(getnetent getnetbyaddr getnetbyname)); |
| 370 | define('BUFFER', 'B', |
| 371 | qw(getprotoent getprotobyname getprotobynumber)); |
| 372 | define('BUFFER', 'B', |
| 373 | qw(getservent getservbyname getservbyport)); |
| 374 | |
| 10bc17b6 |
375 | define('ERRNO', 'E', |
| 376 | qw(gethostent gethostbyaddr gethostbyname)); |
| 377 | define('ERRNO', 'E', |
| 378 | qw(getnetent getnetbyaddr getnetbyname)); |
| 379 | |
| 380 | for my $f (@seenf) { |
| 381 | my $F = uc $f; |
| 382 | my $ifdef = "#ifdef HAS_${F}_R\n"; |
| 383 | my $endif = "#endif /* HAS_${F}_R */\n"; |
| 384 | if (exists $seena{$f}) { |
| 385 | my @p = @{$seena{$f}}; |
| 386 | if ($f =~ /^(asctime|ctime|getlogin|setlocale|strerror|ttyname)$/) { |
| 387 | pushssif $ifdef; |
| 388 | push @struct, <<EOF; |
| 389 | char* _${f}_buffer; |
| 390 | size_t _${f}_size; |
| 391 | EOF |
| 392 | push @size, <<EOF; |
| 393 | PL_reentrant_buffer->_${f}_size = 256; /* Make something up. */ |
| 394 | EOF |
| 395 | pushinitfree $f; |
| 396 | pushssif $endif; |
| 397 | } |
| d6b7ef86 |
398 | elsif ($f =~ /^(crypt)$/) { |
| 10bc17b6 |
399 | pushssif $ifdef; |
| 400 | push @struct, <<EOF; |
| d6b7ef86 |
401 | #if CRYPT_R_PROTO == REENTRANT_PROTO_B_CCD |
| 402 | $seend{$f} _${f}_data; |
| 403 | #else |
| 10bc17b6 |
404 | $seent{$f} _${f}_struct; |
| d6b7ef86 |
405 | #endif |
| 10bc17b6 |
406 | EOF |
| d6b7ef86 |
407 | push @init, <<EOF; |
| 10bc17b6 |
408 | #ifdef __GLIBC__ |
| 409 | PL_reentrant_buffer->_${f}_struct.initialized = 0; |
| 410 | #endif |
| 411 | EOF |
| d6b7ef86 |
412 | pushssif $endif; |
| 413 | } |
| 414 | elsif ($f =~ /^(drand48|gmtime|localtime|random)$/) { |
| 415 | pushssif $ifdef; |
| 416 | push @struct, <<EOF; |
| 417 | $seent{$f} _${f}_struct; |
| 418 | EOF |
| 10bc17b6 |
419 | if ($1 eq 'drand48') { |
| 420 | push @struct, <<EOF; |
| 421 | double _${f}_double; |
| 422 | EOF |
| 423 | } |
| 424 | pushssif $endif; |
| 425 | } |
| 426 | elsif ($f =~ /^(getgrnam|getpwnam|getspnam)$/) { |
| 427 | pushssif $ifdef; |
| 428 | my $g = $f; |
| 429 | $g =~ s/nam/ent/g; |
| 430 | my $G = uc $g; |
| 431 | push @struct, <<EOF; |
| 432 | $seent{$f} _${g}_struct; |
| 433 | char* _${g}_buffer; |
| 434 | size_t _${g}_size; |
| 435 | EOF |
| 436 | push @struct, <<EOF; |
| 437 | # ifdef USE_${G}_PTR |
| 438 | $seent{$f}* _${g}_ptr; |
| 439 | # endif |
| 440 | EOF |
| 441 | if ($g eq 'getspent') { |
| 442 | push @size, <<EOF; |
| 443 | PL_reentrant_buffer->_${g}_size = 1024; |
| 444 | EOF |
| 445 | } else { |
| 446 | push @struct, <<EOF; |
| 447 | # ifdef USE_${G}_FPTR |
| 448 | FILE* _${g}_fptr; |
| 449 | # endif |
| 450 | EOF |
| 451 | push @init, <<EOF; |
| 452 | # ifdef USE_${G}_FPTR |
| 453 | PL_reentrant_buffer->_${g}_fptr = NULL; |
| 454 | # endif |
| 455 | EOF |
| 456 | my $sc = $g eq 'getgrent' ? |
| 457 | '_SC_GETGR_R_SIZE_MAX' : '_SC_GETPW_R_SIZE_MAX'; |
| 458 | push @size, <<EOF; |
| 459 | # if defined(HAS_SYSCONF) && defined($sc) && !defined(__GLIBC__) |
| 460 | PL_reentrant_buffer->_${g}_size = sysconf($sc); |
| 461 | # else |
| 462 | # if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ) |
| 463 | PL_reentrant_buffer->_${g}_size = SIABUFSIZ; |
| 464 | # else |
| 465 | # ifdef __sgi |
| 466 | PL_reentrant_buffer->_${g}_size = BUFSIZ; |
| 467 | # else |
| edd309b7 |
468 | PL_reentrant_buffer->_${g}_size = 256; |
| 10bc17b6 |
469 | # endif |
| 470 | # endif |
| 471 | # endif |
| 472 | EOF |
| 473 | } |
| 474 | pushinitfree $g; |
| 475 | pushssif $endif; |
| 476 | } |
| 477 | elsif ($f =~ /^(gethostbyname|getnetbyname|getservbyname|getprotobyname)$/) { |
| 478 | pushssif $ifdef; |
| 479 | my $g = $f; |
| 480 | $g =~ s/byname/ent/; |
| 481 | my $G = uc $g; |
| 482 | my $D = ifprotomatch($F, grep {/D/} @p); |
| 483 | my $d = $seend{$f}; |
| 484 | push @struct, <<EOF; |
| 485 | $seent{$f} _${g}_struct; |
| 486 | # if $D |
| 487 | $d _${g}_data; |
| 488 | # else |
| 489 | char* _${g}_buffer; |
| 490 | size_t _${g}_size; |
| 491 | # endif |
| 492 | # ifdef USE_${G}_PTR |
| 493 | $seent{$f}* _${g}_ptr; |
| 494 | # endif |
| 495 | EOF |
| 496 | push @struct, <<EOF; |
| 497 | # ifdef USE_${G}_ERRNO |
| 498 | int _${g}_errno; |
| 499 | # endif |
| 500 | EOF |
| 501 | push @size, <<EOF; |
| 502 | #if !($D) |
| 503 | PL_reentrant_buffer->_${g}_size = 2048; /* Any better ideas? */ |
| 504 | #endif |
| 505 | EOF |
| 506 | push @init, <<EOF; |
| 507 | #if !($D) |
| 508 | New(31338, PL_reentrant_buffer->_${g}_buffer, PL_reentrant_buffer->_${g}_size, char); |
| 509 | #endif |
| 510 | EOF |
| 511 | push @free, <<EOF; |
| 512 | #if !($D) |
| 513 | Safefree(PL_reentrant_buffer->_${g}_buffer); |
| 514 | #endif |
| 515 | EOF |
| 516 | pushssif $endif; |
| 517 | } |
| 518 | elsif ($f =~ /^(readdir|readdir64)$/) { |
| 519 | pushssif $ifdef; |
| 520 | my $R = ifprotomatch($F, grep {/R/} @p); |
| 521 | push @struct, <<EOF; |
| 522 | $seent{$f}* _${f}_struct; |
| 523 | size_t _${f}_size; |
| 524 | # if $R |
| 525 | $seent{$f}* _${f}_ptr; |
| 526 | # endif |
| 527 | EOF |
| 528 | push @size, <<EOF; |
| 529 | /* This is the size Solaris recommends. |
| 530 | * (though we go static, should use pathconf() instead) */ |
| 531 | PL_reentrant_buffer->_${f}_size = sizeof($seent{$f}) + MAXPATHLEN + 1; |
| 532 | EOF |
| 533 | push @init, <<EOF; |
| 534 | PL_reentrant_buffer->_${f}_struct = ($seent{$f}*)safemalloc(PL_reentrant_buffer->_${f}_size); |
| 535 | EOF |
| 536 | push @free, <<EOF; |
| 537 | Safefree(PL_reentrant_buffer->_${f}_struct); |
| 538 | EOF |
| 539 | pushssif $endif; |
| 540 | } |
| 541 | |
| 542 | push @wrap, $ifdef; |
| 543 | |
| 544 | # Doesn't implement the buffer growth loop for glibc gethostby*(). |
| 545 | push @wrap, <<EOF; |
| 546 | # undef $f |
| 547 | EOF |
| 548 | my @v = 'a'..'z'; |
| 549 | my $v = join(", ", @v[0..$seenu{$f}-1]); |
| 550 | for my $p (@p) { |
| 551 | my ($r, $a) = split '_', $p; |
| 552 | my $test = $r eq 'I' ? ' == 0' : ''; |
| 553 | my $true = 1; |
| 10bc17b6 |
554 | my $g = $f; |
| 555 | if ($g =~ /^(?:get|set|end)(pw|gr|host|net|proto|serv|sp)/) { |
| 556 | $g = "get$1ent"; |
| 557 | } elsif ($g eq 'srand48') { |
| 558 | $g = "drand48"; |
| 559 | } |
| 560 | my $b = $a; |
| 561 | my $w = ''; |
| 562 | substr($b, 0, $seenu{$f}) = ''; |
| 563 | if ($b =~ /R/) { |
| 564 | $true = "PL_reentrant_buffer->_${g}_ptr"; |
| 565 | } elsif ($b =~ /T/ && $f eq 'drand48') { |
| 566 | $true = "PL_reentrant_buffer->_${g}_double"; |
| 567 | } elsif ($b =~ /S/) { |
| 568 | if ($f =~ /^readdir/) { |
| 569 | $true = "PL_reentrant_buffer->_${g}_struct"; |
| 570 | } else { |
| 571 | $true = "&PL_reentrant_buffer->_${g}_struct"; |
| 572 | } |
| 573 | } elsif ($b =~ /B/) { |
| 574 | $true = "PL_reentrant_buffer->_${g}_buffer"; |
| 575 | } |
| 576 | if (length $b) { |
| 577 | $w = join ", ", |
| 578 | map { |
| 579 | $_ eq 'R' ? |
| 580 | "&PL_reentrant_buffer->_${g}_ptr" : |
| 581 | $_ eq 'E' ? |
| 582 | "&PL_reentrant_buffer->_${g}_errno" : |
| 583 | $_ eq 'B' ? |
| 584 | "PL_reentrant_buffer->_${g}_buffer" : |
| 585 | $_ =~ /^[WI]$/ ? |
| 586 | "PL_reentrant_buffer->_${g}_size" : |
| 587 | $_ eq 'H' ? |
| 588 | "&PL_reentrant_buffer->_${g}_fptr" : |
| 589 | $_ eq 'D' ? |
| 590 | "&PL_reentrant_buffer->_${g}_data" : |
| 591 | $_ eq 'S' ? |
| 592 | ($f =~ /^readdir/ ? |
| 593 | "PL_reentrant_buffer->_${g}_struct" : |
| 594 | "&PL_reentrant_buffer->_${g}_struct" ) : |
| 595 | $_ eq 'T' && $f eq 'drand48' ? |
| 596 | "&PL_reentrant_buffer->_${g}_double" : |
| 597 | $_ |
| 598 | } split '', $b; |
| 599 | $w = ", $w" if length $v; |
| 600 | } |
| 601 | my $call = "${f}_r($v$w)"; |
| 602 | $call = "((errno = $call))" if $r eq 'I'; |
| 603 | push @wrap, <<EOF; |
| 604 | # if !defined($f) && ${F}_R_PROTO == REENTRANT_PROTO_$p |
| 605 | EOF |
| 606 | if ($r eq 'V' || $r eq 'B') { |
| 607 | push @wrap, <<EOF; |
| 608 | # define $f($v) $call |
| 609 | EOF |
| 610 | } else { |
| edd309b7 |
611 | if ($f =~ /^get/) { |
| 612 | my $rv = $v ? ", $v" : ""; |
| 613 | push @wrap, <<EOF; |
| 614 | # define $f($v) ($call$test ? $true : (errno == ERANGE ? Perl_reentrant_retry("$f"$rv) : 0)) |
| 10bc17b6 |
615 | EOF |
| edd309b7 |
616 | } else { |
| 617 | push @wrap, <<EOF; |
| 618 | # define $f($v) ($call$test ? $true : 0) |
| 619 | EOF |
| 620 | } |
| 10bc17b6 |
621 | } |
| 622 | push @wrap, <<EOF; |
| 623 | # endif |
| 624 | EOF |
| 625 | } |
| 626 | |
| 627 | push @wrap, $endif, "\n"; |
| 628 | } |
| 629 | } |
| 630 | |
| 631 | local $" = ''; |
| 632 | |
| 633 | print <<EOF; |
| 634 | |
| 635 | /* Defines for indicating which special features are supported. */ |
| 636 | |
| 637 | @define |
| 638 | typedef struct { |
| 639 | @struct |
| 640 | } REENTR; |
| 641 | |
| 642 | /* The wrappers. */ |
| 643 | |
| 644 | @wrap |
| 645 | #endif /* USE_REENTRANT_API */ |
| 646 | |
| 647 | #endif |
| 648 | |
| 649 | EOF |
| 650 | |
| 651 | close(H); |
| 652 | |
| 653 | die "reentr.c: $!" unless open(C, ">reentr.c"); |
| 654 | select C; |
| 655 | print <<EOF; |
| 656 | /* |
| 657 | * reentr.c |
| 658 | * |
| 659 | * Copyright (c) 1997-2002, Larry Wall |
| 660 | * |
| 661 | * You may distribute under the terms of either the GNU General Public |
| 662 | * License or the Artistic License, as specified in the README file. |
| 663 | * |
| 664 | * !!!!!!! DO NOT EDIT THIS FILE !!!!!!! |
| 665 | * This file is built by reentrl.pl from data in reentr.pl. |
| 666 | * |
| 667 | * "Saruman," I said, standing away from him, "only one hand at a time can |
| 668 | * wield the One, and you know that well, so do not trouble to say we!" |
| 669 | * |
| 670 | */ |
| 671 | |
| 672 | #include "EXTERN.h" |
| 673 | #define PERL_IN_REENTR_C |
| 674 | #include "perl.h" |
| 675 | #include "reentr.h" |
| 676 | |
| 677 | void |
| 678 | Perl_reentrant_size(pTHX) { |
| 679 | #ifdef USE_REENTRANT_API |
| 680 | @size |
| 681 | #endif /* USE_REENTRANT_API */ |
| 682 | } |
| 683 | |
| 684 | void |
| 685 | Perl_reentrant_init(pTHX) { |
| 686 | #ifdef USE_REENTRANT_API |
| 687 | New(31337, PL_reentrant_buffer, 1, REENTR); |
| 688 | Perl_reentrant_size(aTHX); |
| 689 | @init |
| 690 | #endif /* USE_REENTRANT_API */ |
| 691 | } |
| 692 | |
| 693 | void |
| 694 | Perl_reentrant_free(pTHX) { |
| 695 | #ifdef USE_REENTRANT_API |
| 696 | @free |
| 697 | Safefree(PL_reentrant_buffer); |
| 698 | #endif /* USE_REENTRANT_API */ |
| 699 | } |
| 700 | |
| edd309b7 |
701 | void* |
| 702 | Perl_reentrant_retry(const char *f, ...) |
| 703 | { |
| 704 | dTHX; |
| 705 | void *retptr = NULL; |
| 706 | #ifdef USE_REENTRANT_API |
| 707 | void *p0, *p1; |
| 708 | size_t asize; |
| 709 | int anint; |
| 710 | va_list ap; |
| 711 | |
| 712 | va_start(ap, f); |
| 713 | |
| 714 | #define REENTRANTHALFMAXSIZE 32768 /* The maximum may end up twice this. */ |
| 715 | |
| 716 | switch (PL_op->op_type) { |
| 717 | #ifdef USE_GETHOSTENT_BUFFER |
| 718 | case OP_GHBYADDR: |
| 719 | case OP_GHBYNAME: |
| 720 | case OP_GHOSTENT: |
| 721 | { |
| 722 | if (PL_reentrant_buffer->_gethostent_size <= REENTRANTHALFMAXSIZE) { |
| 723 | PL_reentrant_buffer->_gethostent_size *= 2; |
| 724 | Renew(PL_reentrant_buffer->_gethostent_buffer, |
| 725 | PL_reentrant_buffer->_gethostent_size, char); |
| 726 | switch (PL_op->op_type) { |
| 727 | case OP_GHBYADDR: |
| 728 | p0 = va_arg(ap, void *); |
| 729 | asize = va_arg(ap, size_t); |
| 730 | anint = va_arg(ap, int); |
| 731 | retptr = gethostbyaddr(p0, asize, anint); break; |
| 732 | case OP_GHBYNAME: |
| 733 | p0 = va_arg(ap, void *); |
| 734 | retptr = gethostbyname(p0); break; |
| 735 | case OP_GHOSTENT: |
| 736 | retptr = gethostent(); break; |
| 737 | default: |
| 738 | break; |
| 739 | } |
| 740 | } |
| 741 | } |
| 742 | break; |
| 743 | #endif |
| 744 | #ifdef USE_GETGRENT_BUFFER |
| 745 | case OP_GGRNAM: |
| 746 | case OP_GGRGID: |
| 747 | case OP_GGRENT: |
| 748 | { |
| 749 | if (PL_reentrant_buffer->_getgrent_size <= REENTRANTHALFMAXSIZE) { |
| 750 | Gid_t gid; |
| 751 | PL_reentrant_buffer->_getgrent_size *= 2; |
| 752 | Renew(PL_reentrant_buffer->_getgrent_buffer, |
| 753 | PL_reentrant_buffer->_getgrent_size, char); |
| 754 | switch (PL_op->op_type) { |
| 755 | case OP_GGRNAM: |
| 756 | p0 = va_arg(ap, void *); |
| 757 | retptr = getgrnam(p0); break; |
| 758 | case OP_GGRGID: |
| 759 | gid = va_arg(ap, Gid_t); |
| 760 | retptr = getgrgid(gid); break; |
| 761 | case OP_GGRENT: |
| 762 | retptr = getgrent(); break; |
| 763 | default: |
| 764 | break; |
| 765 | } |
| 766 | } |
| 767 | } |
| 768 | break; |
| 769 | #endif |
| 770 | #ifdef USE_GETNETENT_BUFFER |
| 771 | case OP_GNBYADDR: |
| 772 | case OP_GNBYNAME: |
| 773 | case OP_GNETENT: |
| 774 | { |
| 775 | if (PL_reentrant_buffer->_getnetent_size <= REENTRANTHALFMAXSIZE) { |
| 776 | Netdb_net_t net; |
| 777 | PL_reentrant_buffer->_getnetent_size *= 2; |
| 778 | Renew(PL_reentrant_buffer->_getnetent_buffer, |
| 779 | PL_reentrant_buffer->_getnetent_size, char); |
| 780 | switch (PL_op->op_type) { |
| 781 | case OP_GNBYADDR: |
| 782 | net = va_arg(ap, Netdb_net_t); |
| 783 | anint = va_arg(ap, int); |
| 784 | retptr = getnetbyaddr(net, anint); break; |
| 785 | case OP_GNBYNAME: |
| 786 | p0 = va_arg(ap, void *); |
| 787 | retptr = getnetbyname(p0); break; |
| 788 | case OP_GNETENT: |
| 789 | retptr = getnetent(); break; |
| 790 | default: |
| 791 | break; |
| 792 | } |
| 793 | } |
| 794 | } |
| 795 | break; |
| 796 | #endif |
| 797 | #ifdef USE_GETPWENT_BUFFER |
| 798 | case OP_GPWNAM: |
| 799 | case OP_GPWUID: |
| 800 | case OP_GPWENT: |
| 801 | { |
| 802 | if (PL_reentrant_buffer->_getpwent_size <= REENTRANTHALFMAXSIZE) { |
| 803 | Uid_t uid; |
| 804 | PL_reentrant_buffer->_getpwent_size *= 2; |
| 805 | Renew(PL_reentrant_buffer->_getpwent_buffer, |
| 806 | PL_reentrant_buffer->_getpwent_size, char); |
| 807 | switch (PL_op->op_type) { |
| 808 | case OP_GPWNAM: |
| 809 | p0 = va_arg(ap, void *); |
| 810 | retptr = getpwnam(p0); break; |
| 811 | case OP_GPWUID: |
| 812 | uid = va_arg(ap, Uid_t); |
| 813 | retptr = getpwuid(uid); break; |
| 814 | case OP_GPWENT: |
| 815 | retptr = getpwent(); break; |
| 816 | default: |
| 817 | break; |
| 818 | } |
| 819 | } |
| 820 | } |
| 821 | break; |
| 822 | #endif |
| 823 | #ifdef USE_GETPROTOENT_BUFFER |
| 824 | case OP_GPBYNAME: |
| 825 | case OP_GPBYNUMBER: |
| 826 | case OP_GPROTOENT: |
| 827 | { |
| 828 | if (PL_reentrant_buffer->_getprotoent_size <= REENTRANTHALFMAXSIZE) { |
| 829 | PL_reentrant_buffer->_getprotoent_size *= 2; |
| 830 | Renew(PL_reentrant_buffer->_getprotoent_buffer, |
| 831 | PL_reentrant_buffer->_getprotoent_size, char); |
| 832 | switch (PL_op->op_type) { |
| 833 | case OP_GPBYNAME: |
| 834 | p0 = va_arg(ap, void *); |
| 835 | retptr = getprotobyname(p0); break; |
| 836 | case OP_GPBYNUMBER: |
| 837 | anint = va_arg(ap, int); |
| 838 | retptr = getprotobynumber(anint); break; |
| 839 | case OP_GPROTOENT: |
| 840 | retptr = getprotoent(); break; |
| 841 | default: |
| 842 | break; |
| 843 | } |
| 844 | } |
| 845 | } |
| 846 | break; |
| 847 | #endif |
| 848 | #ifdef USE_GETSERVENT_BUFFER |
| 849 | case OP_GSBYNAME: |
| 850 | case OP_GSBYPORT: |
| 851 | case OP_GSERVENT: |
| 852 | { |
| 853 | if (PL_reentrant_buffer->_getservent_size <= REENTRANTHALFMAXSIZE) { |
| 854 | PL_reentrant_buffer->_getservent_size *= 2; |
| 855 | Renew(PL_reentrant_buffer->_getservent_buffer, |
| 856 | PL_reentrant_buffer->_getservent_size, char); |
| 857 | switch (PL_op->op_type) { |
| 858 | case OP_GSBYNAME: |
| 859 | p0 = va_arg(ap, void *); |
| 860 | p1 = va_arg(ap, void *); |
| 861 | retptr = getservbyname(p0, p1); break; |
| 862 | case OP_GSBYPORT: |
| 863 | anint = va_arg(ap, int); |
| 864 | p0 = va_arg(ap, void *); |
| 865 | retptr = getservbyport(anint, p0); break; |
| 866 | case OP_GSERVENT: |
| 867 | retptr = getservent(); break; |
| 868 | default: |
| 869 | break; |
| 870 | } |
| 871 | } |
| 872 | } |
| 873 | break; |
| 874 | #endif |
| 875 | default: |
| 876 | /* Not known how to retry, so just fail. */ |
| 877 | break; |
| 878 | } |
| 879 | |
| 880 | va_end(ap); |
| 881 | #endif |
| 882 | return retptr; |
| 883 | } |
| 884 | |
| 10bc17b6 |
885 | EOF |
| 886 | |
| 887 | __DATA__ |
| 888 | asctime S |time |const struct tm|B_SB|B_SBI|I_SB|I_SBI |
| d6b7ef86 |
889 | crypt CC |crypt |struct crypt_data|B_CCS|B_CCD|D=CRYPTD* |
| 10bc17b6 |
890 | ctermid B |stdio | |B_B |
| 891 | ctime S |time |const time_t |B_SB|B_SBI|I_SB|I_SBI |
| 892 | drand48 |stdlib |struct drand48_data |I_ST|T=double* |
| 893 | endgrent |grp | |I_H|V_H |
| 894 | endhostent |netdb |struct hostent_data |I_S|V_S |
| 895 | endnetent |netdb |struct netent_data |I_S|V_S |
| 896 | endprotoent |netdb |struct protoent_data |I_S|V_S |
| 897 | endpwent |pwd | |I_H|V_H |
| 898 | endservent |netdb |struct servent_data |I_S|V_S |
| 899 | getgrent |grp |struct group |I_SBWR|I_SBIR|S_SBW|S_SBI|I_SBI|I_SBIH |
| 900 | getgrgid T |grp |struct group |I_TSBWR|I_TSBIR|I_TSBI|S_TSBI|T=gid_t |
| 901 | getgrnam C |grp |struct group |I_CSBWR|I_CSBIR|S_CBI|I_CSBI|S_CSBI |
| 902 | 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* |
| 903 | gethostbyname C |netdb |struct hostent |I_CSBWRE|S_CSBIE|I_CSD|D=struct hostent_data* |
| 904 | gethostent |netdb |struct hostent |I_SBWRE|I_SBIE|S_SBIE|S_SBI|I_SBI|I_SD|D=struct hostent_data* |
| 905 | getlogin |unistd | |I_BW|I_BI|B_BW|B_BI |
| 906 | 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 |
| 907 | getnetbyname C |netdb |struct netent |I_CSBWRE|I_CSBI|S_CSBI|I_CSD|D=struct netent_data* |
| 908 | getnetent |netdb |struct netent |I_SBWRE|I_SBIE|S_SBIE|S_SBI|I_SBI|I_SD|D=struct netent_data* |
| 909 | getprotobyname C|netdb |struct protoent|I_CSBWR|S_CSBI|I_CSD|D=struct protoent_data* |
| 910 | getprotobynumber I |netdb |struct protoent|I_ISBWR|S_ISBI|I_ISD|D=struct protoent_data* |
| 911 | getprotoent |netdb |struct protoent|I_SBWR|I_SBI|S_SBI|I_SD|D=struct protoent_data* |
| 912 | getpwent |pwd |struct passwd |I_SBWR|I_SBIR|S_SBW|S_SBI|I_SBI|I_SBIH |
| 913 | getpwnam C |pwd |struct passwd |I_CSBWR|I_CSBIR|S_CSBI|I_CSBI |
| 914 | getpwuid T |pwd |struct passwd |I_TSBWR|I_TSBIR|I_TSBI|S_TSBI|T=uid_t |
| 915 | getservbyname CC|netdb |struct servent |I_CCSBWR|S_CCSBI|I_CCSD|D=struct servent_data* |
| 916 | getservbyport IC|netdb |struct servent |I_ICSBWR|S_ICSBI|I_ICSD|D=struct servent_data* |
| 917 | getservent |netdb |struct servent |I_SBWR|I_SBI|S_SBI|I_SD|D=struct servent_data* |
| 918 | getspnam C |shadow |struct spwd |I_CSBWR|S_CSBI |
| 919 | gmtime T |time |struct tm |S_TS|I_TS|T=const time_t* |
| 920 | localtime T |time |struct tm |S_TS|I_TS|T=const time_t* |
| 921 | random |stdlib |struct random_data|I_TS|T=int* |
| 922 | readdir T |dirent |struct dirent |I_TSR|I_TS|T=DIR* |
| 923 | readdir64 T |dirent |struct dirent64|I_TSR|I_TS|T=DIR* |
| 924 | setgrent |grp | |I_H|V_H |
| 925 | sethostent I |netdb | |I_ID|V_ID|D=struct hostent_data* |
| 926 | setlocale IC |locale | |I_ICBI |
| 927 | setnetent I |netdb | |I_ID|V_ID|D=struct netent_data* |
| 928 | setprotoent I |netdb | |I_ID|V_ID|D=struct protoent_data* |
| 929 | setpwent |pwd | |I_H|V_H |
| 930 | setservent I |netdb | |I_ID|V_ID|D=struct servent_data* |
| 931 | srand48 L |stdlib |struct drand48_data |I_LS |
| 932 | srandom T |stdlib |struct random_data|I_TS|T=unsigned int |
| 933 | strerror I |string | |I_IBW|I_IBI|B_IBW |
| 934 | tmpnam B |stdio | |B_B |
| 935 | ttyname I |unistd | |I_IBW|I_IBI|B_IBI |
projects / p5sagit/p5-mst-13.2.git / blame