3 # Regenerate (overwriting only if changed):
8 # from information stored in the DATA section of this file.
10 # With the -U option, it also unconditionally regenerates the relevant
15 # Also accepts the standard regen_lib -q and -v args.
17 # This script is normally invoked from regen.pl.
20 # Get function prototypes
21 require 'regen/regen_lib.pl';
27 getopts('Uv', \%opts);
31 A => "char*", # as an input argument
32 B => "char*", # as an output argument
33 C => "const char*", # as a read-only input argument
41 # (See the definitions after __DATA__.)
42 # In func|inc|type|... a "S" means "type*", and a "R" means "type**".
43 # (The "types" are often structs, such as "struct passwd".)
45 # After the prototypes one can have |X=...|Y=... to define more types.
46 # A commonly used extra type is to define D to be equal to "type_data",
47 # for example "struct_hostent_data to" go with "struct hostent".
49 # Example #1: I_XSBWR means int func_r(X, type, char*, size_t, type**)
50 # Example #2: S_SBIE means type func_r(type, char*, int, int*)
51 # Example #3: S_CBI means type func_r(const char*, char*, int)
54 # safer_unlink 'reentr.h';
55 my $h = safer_open("reentr.h-new");
57 print read_only_top(lang => 'C', by => 'regen/reentr.pl',
58 from => 'data in regen/reentr.pl',
59 file => 'reentr.h', style => '*',
60 copyright => [2002, 2003, 2005 .. 2007]);
66 /* If compiling for a threaded perl, we will macro-wrap the system/library
67 * interfaces (e.g. getpwent()) which have threaded versions
68 * (e.g. getpwent_r()), which will handle things correctly for
69 * the Perl interpreter, but otherwise (for XS) the wrapping does
70 * not take place. See L<perlxs/Thread-aware system interfaces>.
73 #ifndef PERL_REENTR_API
74 # if defined(PERL_CORE) || defined(PERL_EXT)
75 # define PERL_REENTR_API 1
77 # define PERL_REENTR_API 0
81 #ifdef USE_REENTRANT_API
83 /* Deprecations: some platforms have the said reentrant interfaces
84 * but they are declared obsolete and are not to be used. Often this
85 * means that the platform has threadsafed the interfaces (hopefully).
86 * All this is OS version dependent, so we are of course fooling ourselves.
87 * If you know of more deprecations on some platforms, please add your own
88 * (by editing reentr.pl, mind!) */
93 # undef HAS_ENDGRENT_R
94 # undef HAS_ENDPWENT_R
95 # undef HAS_GETGRENT_R
96 # undef HAS_GETPWENT_R
97 # undef HAS_SETLOCALE_R
99 # undef HAS_STRERROR_R
100 # define NETDB_R_OBSOLETE
103 #if defined(__osf__) && defined(__alpha) /* Tru64 aka Digital UNIX */
105 # undef HAS_STRERROR_R
106 # define NETDB_R_OBSOLETE
110 * As of OpenBSD 3.7, reentrant functions are now working, they just are
111 * incompatible with everyone else. To make OpenBSD happy, we have to
112 * memzero out certain structures before calling the functions.
114 #if defined(__OpenBSD__)
115 # define REENTR_MEMZERO(a,b) memzero(a,b)
117 # define REENTR_MEMZERO(a,b) 0
120 #ifdef NETDB_R_OBSOLETE
121 # undef HAS_ENDHOSTENT_R
122 # undef HAS_ENDNETENT_R
123 # undef HAS_ENDPROTOENT_R
124 # undef HAS_ENDSERVENT_R
125 # undef HAS_GETHOSTBYADDR_R
126 # undef HAS_GETHOSTBYNAME_R
127 # undef HAS_GETHOSTENT_R
128 # undef HAS_GETNETBYADDR_R
129 # undef HAS_GETNETBYNAME_R
130 # undef HAS_GETNETENT_R
131 # undef HAS_GETPROTOBYNAME_R
132 # undef HAS_GETPROTOBYNUMBER_R
133 # undef HAS_GETPROTOENT_R
134 # undef HAS_GETSERVBYNAME_R
135 # undef HAS_GETSERVBYPORT_R
136 # undef HAS_GETSERVENT_R
137 # undef HAS_SETHOSTENT_R
138 # undef HAS_SETNETENT_R
139 # undef HAS_SETPROTOENT_R
140 # undef HAS_SETSERVENT_R
153 # include <stdlib.h> /* drand48_data */
160 #ifdef HAS_GETSPNAM_R
168 my %seenh; # the different prototypes signatures for this function
169 my %seena; # the different prototypes signatures for this function in order
170 my @seenf; # all the seen functions
171 my %seenp; # the different prototype signatures for all functions
172 my %seent; # the return type of this function
173 my %seens; # the type of this function's "S"
174 my %seend; # the type of this function's "D"
175 my %seenm; # all the types
176 my %seenu; # the length of the argument list of this function
178 while (<DATA>) { # Read in the protypes.
181 my ($func, $hdr, $type, @p) = split(/\s*\|\s*/, $_, -1);
183 # Split off the real function name and the argument list.
184 ($func, $u) = split(' ', $func);
185 $seenu{$func} = defined $u ? length $u : 0;
186 my $FUNC = uc $func; # for output.
194 # Set any special mapping variables (like X=x_t)
196 while ($p[-1] =~ /=/) {
197 my ($k, $v) = ($p[-1] =~ /^([A-Za-z])\s*=\s*(.*)/);
203 # If given the -U option open up the metaconfig unit for this function.
204 if ($opts{U} && open(U, ">d_${func}_r.U")) {
210 # The metaconfig units needs prerequisite dependencies.
214 if ($hdr ne 'stdio') { # There's no i_stdio.
217 $prereqsh = "\$$prereqs $prereqh";
219 my @prereq = qw(Inlibc Protochk Hasproto i_systypes usethreads);
220 push @prereq, $prereqs;
221 my $hdrs = "\$i_systypes sys/types.h define stdio.h $prereqsh";
222 if ($hdr eq 'time') {
223 $hdrs .= " \$i_systime sys/time.h";
224 push @prereq, 'i_systime';
226 # Output the metaconfig unit header.
228 ?RCS: \$Id: d_${func}_r.U,v $
230 ?RCS: Copyright (c) 2002,2003 Jarkko Hietaniemi
232 ?RCS: You may distribute under the terms of either the GNU General Public
233 ?RCS: License or the Artistic License, as specified in the README file.
235 ?RCS: Generated by the reentr.pl from the Perl 5.8 distribution.
237 ?MAKE:d_${func}_r ${func}_r_proto: @prereq
238 ?MAKE: -pick add \$@ %<
240 ?S: This variable conditionally defines the HAS_${FUNC}_R symbol,
241 ?S: which indicates to the C program that the ${func}_r()
242 ?S: routine is available.
245 ?S: This variable encodes the prototype of ${func}_r.
246 ?S: It is zero if d_${func}_r is undef, and one of the
247 ?S: REENTRANT_PROTO_T_ABC macros of reentr.h if d_${func}_r
251 ?C: This symbol, if defined, indicates that the ${func}_r routine
252 ?C: is available to ${func} re-entrantly.
255 ?C: This symbol encodes the prototype of ${func}_r.
256 ?C: It is zero if d_${func}_r is undef, and one of the
257 ?C: REENTRANT_PROTO_T_ABC macros of reentr.h if d_${func}_r
260 ?H:#\$d_${func}_r HAS_${FUNC}_R /**/
261 ?H:#define ${FUNC}_R_PROTO \$${func}_r_proto /**/
263 ?T:try hdrs d_${func}_r_proto
264 ?LINT:set d_${func}_r
265 ?LINT:set ${func}_r_proto
266 : see if ${func}_r exists
267 set ${func}_r d_${func}_r
269 case "\$d_${func}_r" in
274 case "\$d_${func}_r_proto:\$usethreads" in
275 ":define") d_${func}_r_proto=define
276 set d_${func}_r_proto ${func}_r \$hdrs
280 case "\$d_${func}_r_proto" in
285 my ($r, $a) = ($p =~ /^(.)_(.+)/);
286 my $v = join(", ", map { $m{$_} } split '', $a);
289 case "\$${func}_r_proto" in
290 ''|0) try='$m{$r} ${func}_r($v);'
291 ./protochk "extern \$try" \$hdrs && ${func}_r_proto=$p ;;
295 $seenh{$func}->{$p}++;
296 push @{$seena{$func}}, $p;
298 $seent{$func} = $type;
299 $seens{$func} = $m{S};
300 $seend{$func} = $m{D};
305 case "\$${func}_r_proto" in
306 ''|0) d_${func}_r=undef
308 echo "Disabling ${func}_r, cannot determine prototype." >&4 ;;
309 * ) case "\$${func}_r_proto" in
311 *) ${func}_r_proto="REENTRANT_PROTO_\$${func}_r_proto" ;;
313 echo "Prototype: \$try" ;;
316 *) case "\$usethreads" in
317 define) echo "${func}_r has no prototype, not using it." >&4 ;;
335 # Prepare to continue writing the reentr.h.
340 # Write out all the known prototype signatures.
342 for my $p (sort keys %seenp) {
343 print "#define REENTRANT_PROTO_${p} ${i}\n";
348 my @struct; # REENTR struct members
349 my @size; # struct member buffer size initialization code
350 my @init; # struct member buffer initialization (malloc) code
351 my @free; # struct member buffer release (free) code
352 my @wrap; # the wrapper (foo(a) -> foo_r(a,...)) cpp code
353 my @define; # defines for optional features
357 join " || ", map { "${FUNC}_R_PROTO == REENTRANT_PROTO_$_" } @_;
370 Newx(PL_reentrant_buffer->_${func}_buffer, PL_reentrant_buffer->_${func}_size, char);
373 Safefree(PL_reentrant_buffer->_${func}_buffer);
378 my ($n, $p, @F) = @_;
382 /* The @F using \L$n? */
388 my $HAS = "${FUNC}_R_HAS_$n";
390 my @h = grep { /$p/ } @{$seena{$func}};
391 unless (defined $GENFUNC) {
393 $GENFUNC =~ s/^GET//;
396 push @define, "#if defined(HAS_${FUNC}_R) && (" . join(" || ", map { "${FUNC}_R_PROTO == REENTRANT_PROTO_$_" } @h) . ")\n";
409 /* Any of the @F using \L$n? */
412 push @define, "#if (" . join(" || ", map { "defined($_)" } @H) . ")\n";
414 # define USE_${GENFUNC}_$n
416 # undef USE_${GENFUNC}_$n
422 define('BUFFER', 'B',
423 qw(getgrent getgrgid getgrnam));
426 qw(getgrent getgrgid getgrnam));
428 qw(getpwent getpwnam getpwuid));
430 qw(getspent getspnam));
433 qw(getgrent getgrgid getgrnam setgrent endgrent));
435 qw(getpwent getpwnam getpwuid setpwent endpwent));
437 define('BUFFER', 'B',
438 qw(getpwent getpwgid getpwnam));
441 qw(gethostent gethostbyaddr gethostbyname));
443 qw(getnetent getnetbyaddr getnetbyname));
445 qw(getprotoent getprotobyname getprotobynumber));
447 qw(getservent getservbyname getservbyport));
449 define('BUFFER', 'B',
450 qw(gethostent gethostbyaddr gethostbyname));
451 define('BUFFER', 'B',
452 qw(getnetent getnetbyaddr getnetbyname));
453 define('BUFFER', 'B',
454 qw(getprotoent getprotobyname getprotobynumber));
455 define('BUFFER', 'B',
456 qw(getservent getservbyname getservbyport));
459 qw(gethostent gethostbyaddr gethostbyname));
461 qw(getnetent getnetbyaddr getnetbyname));
463 # The following loop accumulates the "ssif" (struct, size, init, free)
464 # sections that declare the struct members (in reentr.h), and the buffer
465 # size initialization, buffer initialization (malloc), and buffer
466 # release (free) code (in reentr.c).
468 # The loop also contains a lot of intrinsic logic about groups of
469 # functions (since functions of certain kind operate the same way).
471 for my $func (@seenf) {
473 my $ifdef = "#ifdef HAS_${FUNC}_R\n";
474 my $endif = "#endif /* HAS_${FUNC}_R */\n";
475 if (exists $seena{$func}) {
476 my @p = @{$seena{$func}};
477 if ($func =~ /^(asctime|ctime|getlogin|setlocale|strerror|ttyname)$/) {
480 char* _${func}_buffer;
481 size_t _${func}_size;
484 PL_reentrant_buffer->_${func}_size = REENTRANTSMALLSIZE;
489 elsif ($func =~ /^(crypt)$/) {
492 #if CRYPT_R_PROTO == REENTRANT_PROTO_B_CCD
493 $seend{$func} _${func}_data;
495 $seent{$func} *_${func}_struct_buffer;
499 #if CRYPT_R_PROTO != REENTRANT_PROTO_B_CCD
500 PL_reentrant_buffer->_${func}_struct_buffer = 0;
504 #if CRYPT_R_PROTO != REENTRANT_PROTO_B_CCD
505 Safefree(PL_reentrant_buffer->_${func}_struct_buffer);
510 elsif ($func =~ /^(drand48|random|srandom)$/) {
513 $seent{$func} _${func}_struct;
515 if ($1 eq 'drand48') {
517 double _${func}_double;
519 } elsif ($1 eq 'random') {
521 # if RANDOM_R_PROTO == REENTRANT_PROTO_I_iS
524 # if RANDOM_R_PROTO == REENTRANT_PROTO_I_lS
525 long _${func}_retval;
527 # if RANDOM_R_PROTO == REENTRANT_PROTO_I_St
528 int32_t _${func}_retval;
534 elsif ($func =~ /^(getgrnam|getpwnam|getspnam)$/) {
536 # 'genfunc' can be read either as 'generic' or 'genre',
537 # it represents a group of functions.
539 $genfunc =~ s/nam/ent/g;
540 $genfunc =~ s/^get//;
541 my $GENFUNC = uc $genfunc;
543 $seent{$func} _${genfunc}_struct;
544 char* _${genfunc}_buffer;
545 size_t _${genfunc}_size;
548 # ifdef USE_${GENFUNC}_PTR
549 $seent{$func}* _${genfunc}_ptr;
553 # ifdef USE_${GENFUNC}_FPTR
554 FILE* _${genfunc}_fptr;
558 # ifdef USE_${GENFUNC}_FPTR
559 PL_reentrant_buffer->_${genfunc}_fptr = NULL;
562 my $sc = $genfunc eq 'grent' ?
563 '_SC_GETGR_R_SIZE_MAX' : '_SC_GETPW_R_SIZE_MAX';
564 my $sz = "_${genfunc}_size";
566 # if defined(HAS_SYSCONF) && defined($sc) && !defined(__GLIBC__)
567 PL_reentrant_buffer->$sz = sysconf($sc);
568 if (PL_reentrant_buffer->$sz == (size_t) -1)
569 PL_reentrant_buffer->$sz = REENTRANTUSUALSIZE;
571 # if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
572 PL_reentrant_buffer->$sz = SIABUFSIZ;
575 PL_reentrant_buffer->$sz = BUFSIZ;
577 PL_reentrant_buffer->$sz = REENTRANTUSUALSIZE;
582 pushinitfree $genfunc;
585 elsif ($func =~ /^(gethostbyname|getnetbyname|getservbyname|getprotobyname)$/) {
588 $genfunc =~ s/byname/ent/;
589 $genfunc =~ s/^get//;
590 my $GENFUNC = uc $genfunc;
591 my $D = ifprotomatch($FUNC, grep {/D/} @p);
592 my $d = $seend{$func};
593 $d =~ s/\*$//; # snip: we need need the base type.
595 $seent{$func} _${genfunc}_struct;
599 char* _${genfunc}_buffer;
600 size_t _${genfunc}_size;
602 # ifdef USE_${GENFUNC}_PTR
603 $seent{$func}* _${genfunc}_ptr;
607 # ifdef USE_${GENFUNC}_ERRNO
608 int _${genfunc}_errno;
613 PL_reentrant_buffer->_${genfunc}_size = REENTRANTUSUALSIZE;
618 Newx(PL_reentrant_buffer->_${genfunc}_buffer, PL_reentrant_buffer->_${genfunc}_size, char);
623 Safefree(PL_reentrant_buffer->_${genfunc}_buffer);
628 elsif ($func =~ /^(readdir|readdir64)$/) {
630 my $R = ifprotomatch($FUNC, grep {/R/} @p);
632 $seent{$func}* _${func}_struct;
633 size_t _${func}_size;
635 $seent{$func}* _${func}_ptr;
639 /* This is the size Solaris recommends.
640 * (though we go static, should use pathconf() instead) */
641 PL_reentrant_buffer->_${func}_size = sizeof($seent{$func}) + MAXPATHLEN + 1;
644 PL_reentrant_buffer->_${func}_struct = ($seent{$func}*)safemalloc(PL_reentrant_buffer->_${func}_size);
647 Safefree(PL_reentrant_buffer->_${func}_struct);
655 # if defined(PERL_REENTR_API) && (PERL_REENTR_API+0 == 1)
659 # Write out what we have learned.
662 my $v = join(", ", @v[0..$seenu{$func}-1]);
664 my ($r, $a) = split '_', $p;
665 my $test = $r eq 'I' ? ' == 0' : '';
668 if ($genfunc =~ /^(?:get|set|end)(pw|gr|host|net|proto|serv|sp)/) {
669 $genfunc = "${1}ent";
670 } elsif ($genfunc eq 'srand48') {
671 $genfunc = "drand48";
675 substr($b, 0, $seenu{$func}) = '';
676 if ($func =~ /^random$/) {
677 $true = "PL_reentrant_buffer->_random_retval";
678 } elsif ($b =~ /R/) {
679 $true = "PL_reentrant_buffer->_${genfunc}_ptr";
680 } elsif ($b =~ /T/ && $func eq 'drand48') {
681 $true = "PL_reentrant_buffer->_${genfunc}_double";
682 } elsif ($b =~ /S/) {
683 if ($func =~ /^readdir/) {
684 $true = "PL_reentrant_buffer->_${genfunc}_struct";
686 $true = "&PL_reentrant_buffer->_${genfunc}_struct";
688 } elsif ($b =~ /B/) {
689 $true = "PL_reentrant_buffer->_${genfunc}_buffer";
695 "&PL_reentrant_buffer->_${genfunc}_ptr" :
697 "&PL_reentrant_buffer->_${genfunc}_errno" :
699 "PL_reentrant_buffer->_${genfunc}_buffer" :
701 "PL_reentrant_buffer->_${genfunc}_size" :
703 "&PL_reentrant_buffer->_${genfunc}_fptr" :
705 "&PL_reentrant_buffer->_${genfunc}_data" :
707 ($func =~ /^readdir\d*$/ ?
708 "PL_reentrant_buffer->_${genfunc}_struct" :
710 "PL_reentrant_buffer->_${genfunc}_struct_buffer" :
711 "&PL_reentrant_buffer->_${genfunc}_struct") :
712 $_ eq 'T' && $func eq 'drand48' ?
713 "&PL_reentrant_buffer->_${genfunc}_double" :
714 $_ =~ /^[ilt]$/ && $func eq 'random' ?
715 "&PL_reentrant_buffer->_random_retval" :
718 $w = ", $w" if length $v;
721 my $call = "${func}_r($v$w)";
723 # Must make OpenBSD happy
726 ($genfunc eq 'protoent' || $genfunc eq 'servent')) {
727 $memzero = 'REENTR_MEMZERO(&PL_reentrant_buffer->_' . $genfunc . '_data, sizeof(PL_reentrant_buffer->_' . $genfunc . '_data)),';
730 # if !defined($func) && ${FUNC}_R_PROTO == REENTRANT_PROTO_$p
732 if ($r eq 'V' || $r eq 'B') {
734 # define $func($v) $call
737 if ($func =~ /^get/) {
738 my $rv = $v ? ", $v" : "";
741 # define $func($v) ($memzero(PL_reentrant_retint = $call)$test ? $true : ((PL_reentrant_retint == ERANGE) ? ($seent{$func} *) Perl_reentrant_retry("$func"$rv) : 0))
745 # define $func($v) ($call$test ? $true : ((errno == ERANGE) ? ($seent{$func} *) Perl_reentrant_retry("$func"$rv) : 0))
750 # define $func($v) ($call$test ? $true : 0)
754 push @wrap, <<EOF; # !defined(xxx) && XXX_R_PROTO == REENTRANT_PROTO_Y_TS
759 push @wrap, <<EOF; # defined(PERL_REENTR_API) && (PERL_REENTR_API+0 == 1)
763 push @wrap, $endif, "\n";
771 /* Defines for indicating which special features are supported. */
776 int dummy; /* cannot have empty structs */
783 #endif /* USE_REENTRANT_API */
791 rename_if_different('reentr.h-new', 'reentr.h');
793 # Prepare to write the reentr.c.
795 # safer_unlink 'reentr.c';
796 my $c = safer_open("reentr.c-new");
798 my $top = read_only_top(lang => 'C', by => 'regen/reentr.pl',
799 from => 'data in regen/reentr.pl',
800 file => 'reentr.c', style => '*',
801 copyright => [2002, 2003, 2005 .. 2007]);
804 * "Saruman," I said, standing away from him, "only one hand at a time can
805 * wield the One, and you know that well, so do not trouble to say we\!"
807 * This file contains a collection of automatically created wrappers
808 * (created by running reentr.pl) for reentrant (thread-safe) versions of
809 * various library calls, such as getpwent_r. The wrapping is done so
810 * that other files like pp_sys.c calling those library functions need not
811 * care about the differences between various platforms' idiosyncrasies
812 * regarding these reentrant interfaces.
818 #define PERL_IN_REENTR_C
823 Perl_reentrant_size(pTHX) {
824 #ifdef USE_REENTRANT_API
825 #define REENTRANTSMALLSIZE 256 /* Make something up. */
826 #define REENTRANTUSUALSIZE 4096 /* Make something up. */
828 #endif /* USE_REENTRANT_API */
832 Perl_reentrant_init(pTHX) {
833 #ifdef USE_REENTRANT_API
834 Newx(PL_reentrant_buffer, 1, REENTR);
835 Perl_reentrant_size(aTHX);
837 #endif /* USE_REENTRANT_API */
841 Perl_reentrant_free(pTHX) {
842 #ifdef USE_REENTRANT_API
844 Safefree(PL_reentrant_buffer);
845 #endif /* USE_REENTRANT_API */
849 Perl_reentrant_retry(const char *f, ...)
854 #ifdef USE_REENTRANT_API
855 /* Easier to special case this here than in embed.pl. (Look at what it
856 generates for proto.h) */
857 PERL_ARGS_ASSERT_REENTRANT_RETRY;
861 #ifdef USE_REENTRANT_API
862 # 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)
865 # if defined(USE_SERVENT_BUFFER)
868 # if defined(USE_HOSTENT_BUFFER)
871 # if defined(USE_HOSTENT_BUFFER) || defined(USE_NETENT_BUFFER) || defined(USE_PROTOENT_BUFFER) || defined(USE_SERVENT_BUFFER)
875 switch (PL_op->op_type) {
876 #ifdef USE_HOSTENT_BUFFER
881 #ifdef PERL_REENTRANT_MAXSIZE
882 if (PL_reentrant_buffer->_hostent_size <=
883 PERL_REENTRANT_MAXSIZE / 2)
886 PL_reentrant_buffer->_hostent_size *= 2;
887 Renew(PL_reentrant_buffer->_hostent_buffer,
888 PL_reentrant_buffer->_hostent_size, char);
889 switch (PL_op->op_type) {
891 p0 = va_arg(ap, void *);
892 asize = va_arg(ap, size_t);
893 anint = va_arg(ap, int);
894 retptr = gethostbyaddr(p0, asize, anint); break;
896 p0 = va_arg(ap, void *);
897 retptr = gethostbyname((char *)p0); break;
899 retptr = gethostent(); break;
901 SETERRNO(ERANGE, LIB_INVARG);
908 #ifdef USE_GRENT_BUFFER
913 #ifdef PERL_REENTRANT_MAXSIZE
914 if (PL_reentrant_buffer->_grent_size <=
915 PERL_REENTRANT_MAXSIZE / 2)
919 PL_reentrant_buffer->_grent_size *= 2;
920 Renew(PL_reentrant_buffer->_grent_buffer,
921 PL_reentrant_buffer->_grent_size, char);
922 switch (PL_op->op_type) {
924 p0 = va_arg(ap, void *);
925 retptr = getgrnam((char *)p0); break;
927 #if Gid_t_size < INTSIZE
928 gid = (Gid_t)va_arg(ap, int);
930 gid = va_arg(ap, Gid_t);
932 retptr = getgrgid(gid); break;
934 retptr = getgrent(); break;
936 SETERRNO(ERANGE, LIB_INVARG);
943 #ifdef USE_NETENT_BUFFER
948 #ifdef PERL_REENTRANT_MAXSIZE
949 if (PL_reentrant_buffer->_netent_size <=
950 PERL_REENTRANT_MAXSIZE / 2)
954 PL_reentrant_buffer->_netent_size *= 2;
955 Renew(PL_reentrant_buffer->_netent_buffer,
956 PL_reentrant_buffer->_netent_size, char);
957 switch (PL_op->op_type) {
959 net = va_arg(ap, Netdb_net_t);
960 anint = va_arg(ap, int);
961 retptr = getnetbyaddr(net, anint); break;
963 p0 = va_arg(ap, void *);
964 retptr = getnetbyname((char *)p0); break;
966 retptr = getnetent(); break;
968 SETERRNO(ERANGE, LIB_INVARG);
975 #ifdef USE_PWENT_BUFFER
980 #ifdef PERL_REENTRANT_MAXSIZE
981 if (PL_reentrant_buffer->_pwent_size <=
982 PERL_REENTRANT_MAXSIZE / 2)
986 PL_reentrant_buffer->_pwent_size *= 2;
987 Renew(PL_reentrant_buffer->_pwent_buffer,
988 PL_reentrant_buffer->_pwent_size, char);
989 switch (PL_op->op_type) {
991 p0 = va_arg(ap, void *);
992 retptr = getpwnam((char *)p0); break;
994 #if Uid_t_size < INTSIZE
995 uid = (Uid_t)va_arg(ap, int);
997 uid = va_arg(ap, Uid_t);
999 retptr = getpwuid(uid); break;
1001 retptr = getpwent(); break;
1003 SETERRNO(ERANGE, LIB_INVARG);
1010 #ifdef USE_PROTOENT_BUFFER
1015 #ifdef PERL_REENTRANT_MAXSIZE
1016 if (PL_reentrant_buffer->_protoent_size <=
1017 PERL_REENTRANT_MAXSIZE / 2)
1020 PL_reentrant_buffer->_protoent_size *= 2;
1021 Renew(PL_reentrant_buffer->_protoent_buffer,
1022 PL_reentrant_buffer->_protoent_size, char);
1023 switch (PL_op->op_type) {
1025 p0 = va_arg(ap, void *);
1026 retptr = getprotobyname((char *)p0); break;
1028 anint = va_arg(ap, int);
1029 retptr = getprotobynumber(anint); break;
1031 retptr = getprotoent(); break;
1033 SETERRNO(ERANGE, LIB_INVARG);
1040 #ifdef USE_SERVENT_BUFFER
1045 #ifdef PERL_REENTRANT_MAXSIZE
1046 if (PL_reentrant_buffer->_servent_size <=
1047 PERL_REENTRANT_MAXSIZE / 2)
1050 PL_reentrant_buffer->_servent_size *= 2;
1051 Renew(PL_reentrant_buffer->_servent_buffer,
1052 PL_reentrant_buffer->_servent_size, char);
1053 switch (PL_op->op_type) {
1055 p0 = va_arg(ap, void *);
1056 p1 = va_arg(ap, void *);
1057 retptr = getservbyname((char *)p0, (char *)p1); break;
1059 anint = va_arg(ap, int);
1060 p0 = va_arg(ap, void *);
1061 retptr = getservbyport(anint, (char *)p0); break;
1063 retptr = getservent(); break;
1065 SETERRNO(ERANGE, LIB_INVARG);
1073 /* Not known how to retry, so just fail. */
1088 rename_if_different('reentr.c-new', 'reentr.c');
1091 asctime S |time |const struct tm|B_SB|B_SBI|I_SB|I_SBI
1092 crypt CC |crypt |struct crypt_data|B_CCS|B_CCD|D=CRYPTD*
1093 ctermid B |stdio | |B_B
1094 ctime S |time |const time_t |B_SB|B_SBI|I_SB|I_SBI
1095 drand48 |stdlib |struct drand48_data |I_ST|T=double*
1096 endgrent |grp | |I_H|V_H
1097 endhostent |netdb | |I_D|V_D|D=struct hostent_data*
1098 endnetent |netdb | |I_D|V_D|D=struct netent_data*
1099 endprotoent |netdb | |I_D|V_D|D=struct protoent_data*
1100 endpwent |pwd | |I_H|V_H
1101 endservent |netdb | |I_D|V_D|D=struct servent_data*
1102 getgrent |grp |struct group |I_SBWR|I_SBIR|S_SBW|S_SBI|I_SBI|I_SBIH
1103 getgrgid T |grp |struct group |I_TSBWR|I_TSBIR|I_TSBI|S_TSBI|T=gid_t
1104 getgrnam C |grp |struct group |I_CSBWR|I_CSBIR|S_CBI|I_CSBI|S_CSBI
1105 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
1106 gethostbyname C |netdb |struct hostent |I_CSBWRE|S_CSBIE|I_CSD|D=struct hostent_data*
1107 gethostent |netdb |struct hostent |I_SBWRE|I_SBIE|S_SBIE|S_SBI|I_SBI|I_SD|D=struct hostent_data*
1108 getlogin |unistd |char |I_BW|I_BI|B_BW|B_BI
1109 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
1110 getnetbyname C |netdb |struct netent |I_CSBWRE|I_CSBI|S_CSBI|I_CSD|D=struct netent_data*
1111 getnetent |netdb |struct netent |I_SBWRE|I_SBIE|S_SBIE|S_SBI|I_SBI|I_SD|D=struct netent_data*
1112 getprotobyname C|netdb |struct protoent|I_CSBWR|S_CSBI|I_CSD|D=struct protoent_data*
1113 getprotobynumber I |netdb |struct protoent|I_ISBWR|S_ISBI|I_ISD|D=struct protoent_data*
1114 getprotoent |netdb |struct protoent|I_SBWR|I_SBI|S_SBI|I_SD|D=struct protoent_data*
1115 getpwent |pwd |struct passwd |I_SBWR|I_SBIR|S_SBW|S_SBI|I_SBI|I_SBIH
1116 getpwnam C |pwd |struct passwd |I_CSBWR|I_CSBIR|S_CSBI|I_CSBI
1117 getpwuid T |pwd |struct passwd |I_TSBWR|I_TSBIR|I_TSBI|S_TSBI|T=uid_t
1118 getservbyname CC|netdb |struct servent |I_CCSBWR|S_CCSBI|I_CCSD|D=struct servent_data*
1119 getservbyport IC|netdb |struct servent |I_ICSBWR|S_ICSBI|I_ICSD|D=struct servent_data*
1120 getservent |netdb |struct servent |I_SBWR|I_SBI|S_SBI|I_SD|D=struct servent_data*
1121 getspnam C |shadow |struct spwd |I_CSBWR|S_CSBI
1122 random |stdlib |struct random_data|I_iS|I_lS|I_St|i=int*|l=long*|t=int32_t*
1123 readdir T |dirent |struct dirent |I_TSR|I_TS|T=DIR*
1124 readdir64 T |dirent |struct dirent64|I_TSR|I_TS|T=DIR*
1125 setgrent |grp | |I_H|V_H
1126 sethostent I |netdb | |I_ID|V_ID|D=struct hostent_data*
1127 setlocale IC |locale | |I_ICBI
1128 setnetent I |netdb | |I_ID|V_ID|D=struct netent_data*
1129 setprotoent I |netdb | |I_ID|V_ID|D=struct protoent_data*
1130 setpwent |pwd | |I_H|V_H
1131 setservent I |netdb | |I_ID|V_ID|D=struct servent_data*
1132 srand48 L |stdlib |struct drand48_data |I_LS
1133 srandom T |stdlib |struct random_data|I_TS|T=unsigned int
1134 strerror I |string | |I_IBW|I_IBI|B_IBW
1135 tmpnam B |stdio | |B_B
1136 ttyname I |unistd | |I_IBW|I_IBI|B_IBI