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)
53 sub open_print_header {
54 my ($file, $quote) = @_;
55 return open_new($file, '>',
56 { by => 'regen/reentr.pl',
57 from => 'data in regen/reentr.pl',
58 file => $file, style => '*',
59 copyright => [2002, 2003, 2005 .. 2007],
63 my $h = open_print_header('reentr.h');
65 #ifndef PERL_REENTR_H_
66 #define PERL_REENTR_H_
68 /* If compiling for a threaded perl, we will macro-wrap the system/library
69 * interfaces (e.g. getpwent()) which have threaded versions
70 * (e.g. getpwent_r()), which will handle things correctly for
71 * the Perl interpreter, but otherwise (for XS) the wrapping does
72 * not take place. See L<perlxs/Thread-aware system interfaces>.
75 #ifndef PERL_REENTR_API
76 # if defined(PERL_CORE) || defined(PERL_EXT) || defined(PERL_REENTRANT)
77 # define PERL_REENTR_API 1
79 # define PERL_REENTR_API 0
83 #ifdef USE_REENTRANT_API
85 /* Deprecations: some platforms have the said reentrant interfaces
86 * but they are declared obsolete and are not to be used. Often this
87 * means that the platform has threadsafed the interfaces (hopefully).
88 * All this is OS version dependent, so we are of course fooling ourselves.
89 * If you know of more deprecations on some platforms, please add your own
90 * (by editing reentr.pl, mind!) */
94 # undef HAS_ENDGRENT_R
95 # undef HAS_ENDPWENT_R
96 # undef HAS_GETGRENT_R
97 # undef HAS_GETPWENT_R
98 # 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
109 #if defined(__GLIBC__) && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 24))
110 # undef HAS_READDIR_R
111 # undef HAS_READDIR64_R
115 * As of OpenBSD 3.7, reentrant functions are now working, they just are
116 * incompatible with everyone else. To make OpenBSD happy, we have to
117 * memzero out certain structures before calling the functions.
119 #if defined(__OpenBSD__)
120 # define REENTR_MEMZERO(a,b) memzero(a,b)
122 # define REENTR_MEMZERO(a,b) 0
125 #ifdef NETDB_R_OBSOLETE
126 # undef HAS_ENDHOSTENT_R
127 # undef HAS_ENDNETENT_R
128 # undef HAS_ENDPROTOENT_R
129 # undef HAS_ENDSERVENT_R
130 # undef HAS_GETHOSTBYADDR_R
131 # undef HAS_GETHOSTBYNAME_R
132 # undef HAS_GETHOSTENT_R
133 # undef HAS_GETNETBYADDR_R
134 # undef HAS_GETNETBYNAME_R
135 # undef HAS_GETNETENT_R
136 # undef HAS_GETPROTOBYNAME_R
137 # undef HAS_GETPROTOBYNUMBER_R
138 # undef HAS_GETPROTOENT_R
139 # undef HAS_GETSERVBYNAME_R
140 # undef HAS_GETSERVBYPORT_R
141 # undef HAS_GETSERVENT_R
142 # undef HAS_SETHOSTENT_R
143 # undef HAS_SETNETENT_R
144 # undef HAS_SETPROTOENT_R
145 # undef HAS_SETSERVENT_R
162 #ifdef HAS_GETSPNAM_R
170 my %seenh; # the different prototypes signatures for this function
171 my %seena; # the different prototypes signatures for this function in order
172 my @seenf; # all the seen functions
173 my %seenp; # the different prototype signatures for all functions
174 my %seent; # the return type of this function
175 my %seens; # the type of this function's "S"
176 my %seend; # the type of this function's "D"
177 my %seenm; # all the types
178 my %seenu; # the length of the argument list of this function
180 while (<DATA>) { # Read in the protoypes.
183 my ($func, $hdr, $type, @p) = split(/\s*\|\s*/, $_, -1);
185 # Split off the real function name and the argument list.
186 ($func, $u) = split(' ', $func);
187 $seenu{$func} = defined $u ? length $u : 0;
188 my $FUNC = uc $func; # for output.
196 # Set any special mapping variables (like X=x_t)
198 while ($p[-1] =~ /=/) {
199 my ($k, $v) = ($p[-1] =~ /^([A-Za-z])\s*=\s*(.*)/);
205 # If given the -U option open up the metaconfig unit for this function.
206 if ($opts{U} && open(U, ">", "d_${func}_r.U")) {
211 # The metaconfig units needs prerequisite dependencies.
215 if ($hdr ne 'stdio') { # There's no i_stdio.
218 $prereqsh = "\$$prereqs $prereqh";
220 my @prereq = qw(Inlibc Protochk Hasproto i_systypes usethreads);
221 push @prereq, $prereqs;
222 my $hdrs = "\$i_systypes sys/types.h define stdio.h $prereqsh";
223 if ($hdr eq 'time') {
224 $hdrs .= " \$i_systime sys/time.h";
225 push @prereq, 'i_systime';
227 # Output the metaconfig unit header.
229 ?RCS: \$Id: d_${func}_r.U,v $
231 ?RCS: Copyright (c) 2002,2003 Jarkko Hietaniemi
233 ?RCS: You may distribute under the terms of either the GNU General Public
234 ?RCS: License or the Artistic License, as specified in the README file.
236 ?RCS: Generated by the reentr.pl from the Perl 5.8 distribution.
238 ?MAKE:d_${func}_r ${func}_r_proto: @prereq
239 ?MAKE: -pick add \$@ %<
241 ?S: This variable conditionally defines the HAS_${FUNC}_R symbol,
242 ?S: which indicates to the C program that the ${func}_r()
243 ?S: routine is available.
246 ?S: This variable encodes the prototype of ${func}_r.
247 ?S: It is zero if d_${func}_r is undef, and one of the
248 ?S: REENTRANT_PROTO_T_ABC macros of reentr.h if d_${func}_r
252 ?C: This symbol, if defined, indicates that the ${func}_r routine
253 ?C: is available to ${func} re-entrantly.
256 ?C: This symbol encodes the prototype of ${func}_r.
257 ?C: It is zero if d_${func}_r is undef, and one of the
258 ?C: REENTRANT_PROTO_T_ABC macros of reentr.h if d_${func}_r
261 ?H:#\$d_${func}_r HAS_${FUNC}_R /**/
262 ?H:#define ${FUNC}_R_PROTO \$${func}_r_proto /**/
264 ?T:try hdrs d_${func}_r_proto
265 ?LINT:set d_${func}_r
266 ?LINT:set ${func}_r_proto
267 : see if ${func}_r exists
268 set ${func}_r d_${func}_r
270 case "\$d_${func}_r" in
275 case "\$d_${func}_r_proto:\$usethreads" in
276 ":define") d_${func}_r_proto=define
277 set d_${func}_r_proto ${func}_r \$hdrs
281 case "\$d_${func}_r_proto" in
286 my ($r, $a) = ($p =~ /^(.)_(.+)/);
287 my $v = join(", ", map { $m{$_} } split '', $a);
290 case "\$${func}_r_proto" in
291 ''|0) try='$m{$r} ${func}_r($v);'
292 ./protochk "extern \$try" \$hdrs && ${func}_r_proto=$p ;;
296 $seenh{$func}->{$p}++;
297 push @{$seena{$func}}, $p;
299 $seent{$func} = $type;
300 $seens{$func} = $m{S};
301 $seend{$func} = $m{D};
306 case "\$${func}_r_proto" in
307 ''|0) d_${func}_r=undef
309 echo "Disabling ${func}_r, cannot determine prototype." >&4 ;;
310 * ) case "\$${func}_r_proto" in
312 *) ${func}_r_proto="REENTRANT_PROTO_\$${func}_r_proto" ;;
314 echo "Prototype: \$try" ;;
317 *) case "\$usethreads" in
318 define) echo "${func}_r has no prototype, not using it." >&4 ;;
337 # Write out all the known prototype signatures.
339 for my $p (sort keys %seenp) {
340 print $h "#define REENTRANT_PROTO_${p} ${i}\n";
345 my @struct; # REENTR struct members
346 my @size; # struct member buffer size initialization code
347 my @init; # struct member buffer initialization (malloc) code
348 my @free; # struct member buffer release (free) code
349 my @wrap; # the wrapper (foo(a) -> foo_r(a,...)) cpp code
350 my @define; # defines for optional features
354 join " || ", map { "${FUNC}_R_PROTO == REENTRANT_PROTO_$_" } @_;
367 Newx(PL_reentrant_buffer->_${func}_buffer, PL_reentrant_buffer->_${func}_size, char);
370 Safefree(PL_reentrant_buffer->_${func}_buffer);
375 my ($n, $p, @F) = @_;
379 /* The @F using \L$n? */
385 my $HAS = "${FUNC}_R_HAS_$n";
387 my @h = grep { /$p/ } @{$seena{$func}};
388 unless (defined $GENFUNC) {
390 $GENFUNC =~ s/^GET//;
393 push @define, "#if defined(HAS_${FUNC}_R) && (" . join(" || ", map { "${FUNC}_R_PROTO == REENTRANT_PROTO_$_" } @h) . ")\n";
406 /* Any of the @F using \L$n? */
409 push @define, "#if (" . join(" || ", map { "defined($_)" } @H) . ")\n";
411 # define USE_${GENFUNC}_$n
413 # undef USE_${GENFUNC}_$n
419 define('BUFFER', 'B',
420 qw(getgrent getgrgid getgrnam));
423 qw(getgrent getgrgid getgrnam));
425 qw(getpwent getpwnam getpwuid));
427 qw(getspent getspnam));
430 qw(getgrent getgrgid getgrnam setgrent endgrent));
432 qw(getpwent getpwnam getpwuid setpwent endpwent));
434 define('BUFFER', 'B',
435 qw(getpwent getpwgid getpwnam));
438 qw(gethostent gethostbyaddr gethostbyname));
440 qw(getnetent getnetbyaddr getnetbyname));
442 qw(getprotoent getprotobyname getprotobynumber));
444 qw(getservent getservbyname getservbyport));
446 define('BUFFER', 'B',
447 qw(gethostent gethostbyaddr gethostbyname));
448 define('BUFFER', 'B',
449 qw(getnetent getnetbyaddr getnetbyname));
450 define('BUFFER', 'B',
451 qw(getprotoent getprotobyname getprotobynumber));
452 define('BUFFER', 'B',
453 qw(getservent getservbyname getservbyport));
456 qw(gethostent gethostbyaddr gethostbyname));
458 qw(getnetent getnetbyaddr getnetbyname));
460 # The following loop accumulates the "ssif" (struct, size, init, free)
461 # sections that declare the struct members (in reentr.h), and the buffer
462 # size initialization, buffer initialization (malloc), and buffer
463 # release (free) code (in reentr.c).
465 # The loop also contains a lot of intrinsic logic about groups of
466 # functions (since functions of certain kind operate the same way).
468 for my $func (@seenf) {
470 my $ifdef = "#ifdef HAS_${FUNC}_R\n";
471 my $endif = "#endif /* HAS_${FUNC}_R */\n";
472 if (exists $seena{$func}) {
473 my @p = @{$seena{$func}};
474 if ($func =~ /^(asctime|ctime|getlogin|setlocale|strerror|ttyname)$/) {
477 char* _${func}_buffer;
478 size_t _${func}_size;
481 PL_reentrant_buffer->_${func}_size = REENTRANTSMALLSIZE;
486 elsif ($func =~ /^(crypt)$/) {
489 #if CRYPT_R_PROTO == REENTRANT_PROTO_B_CCD
490 $seend{$func} _${func}_data;
492 $seent{$func} *_${func}_struct_buffer;
496 #if CRYPT_R_PROTO != REENTRANT_PROTO_B_CCD
497 PL_reentrant_buffer->_${func}_struct_buffer = 0;
501 #if CRYPT_R_PROTO != REENTRANT_PROTO_B_CCD
502 Safefree(PL_reentrant_buffer->_${func}_struct_buffer);
507 elsif ($func =~ /^(getgrnam|getpwnam|getspnam)$/) {
509 # 'genfunc' can be read either as 'generic' or 'genre',
510 # it represents a group of functions.
512 $genfunc =~ s/nam/ent/g;
513 $genfunc =~ s/^get//;
514 my $GENFUNC = uc $genfunc;
516 $seent{$func} _${genfunc}_struct;
517 char* _${genfunc}_buffer;
518 size_t _${genfunc}_size;
521 # ifdef USE_${GENFUNC}_PTR
522 $seent{$func}* _${genfunc}_ptr;
526 # ifdef USE_${GENFUNC}_FPTR
527 FILE* _${genfunc}_fptr;
531 # ifdef USE_${GENFUNC}_FPTR
532 PL_reentrant_buffer->_${genfunc}_fptr = NULL;
535 my $sc = $genfunc eq 'grent' ?
536 '_SC_GETGR_R_SIZE_MAX' : '_SC_GETPW_R_SIZE_MAX';
537 my $sz = "_${genfunc}_size";
539 # if defined(HAS_SYSCONF) && defined($sc) && !defined(__GLIBC__)
540 PL_reentrant_buffer->$sz = sysconf($sc);
541 if (PL_reentrant_buffer->$sz == (size_t) -1)
542 PL_reentrant_buffer->$sz = REENTRANTUSUALSIZE;
543 # elif defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
544 PL_reentrant_buffer->$sz = SIABUFSIZ;
545 # elif defined(__sgi)
546 PL_reentrant_buffer->$sz = BUFSIZ;
548 PL_reentrant_buffer->$sz = REENTRANTUSUALSIZE;
551 pushinitfree $genfunc;
554 elsif ($func =~ /^(gethostbyname|getnetbyname|getservbyname|getprotobyname)$/) {
557 $genfunc =~ s/byname/ent/;
558 $genfunc =~ s/^get//;
559 my $GENFUNC = uc $genfunc;
560 my $D = ifprotomatch($FUNC, grep {/D/} @p);
561 my $d = $seend{$func};
562 $d =~ s/\*$//; # snip: we need the base type.
564 $seent{$func} _${genfunc}_struct;
568 char* _${genfunc}_buffer;
569 size_t _${genfunc}_size;
571 # ifdef USE_${GENFUNC}_PTR
572 $seent{$func}* _${genfunc}_ptr;
576 # ifdef USE_${GENFUNC}_ERRNO
577 int _${genfunc}_errno;
582 PL_reentrant_buffer->_${genfunc}_size = REENTRANTUSUALSIZE;
587 Newx(PL_reentrant_buffer->_${genfunc}_buffer, PL_reentrant_buffer->_${genfunc}_size, char);
592 Safefree(PL_reentrant_buffer->_${genfunc}_buffer);
597 elsif ($func =~ /^(readdir|readdir64)$/) {
599 my $R = ifprotomatch($FUNC, grep {/R/} @p);
601 $seent{$func}* _${func}_struct;
602 size_t _${func}_size;
604 $seent{$func}* _${func}_ptr;
608 /* This is the size Solaris recommends.
609 * (though we go static, should use pathconf() instead) */
610 PL_reentrant_buffer->_${func}_size = sizeof($seent{$func}) + MAXPATHLEN + 1;
613 PL_reentrant_buffer->_${func}_struct = ($seent{$func}*)safemalloc(PL_reentrant_buffer->_${func}_size);
616 Safefree(PL_reentrant_buffer->_${func}_struct);
624 # if defined(PERL_REENTR_API) && (PERL_REENTR_API+0 == 1)
628 # Write out what we have learned.
631 my $v = join(", ", @v[0..$seenu{$func}-1]);
633 my ($r, $a) = split '_', $p;
634 my $test = $r eq 'I' ? ' == 0' : '';
637 if ($genfunc =~ /^(?:get|set|end)(pw|gr|host|net|proto|serv|sp)/) {
638 $genfunc = "${1}ent";
642 substr($b, 0, $seenu{$func}) = '';
644 $true = "PL_reentrant_buffer->_${genfunc}_ptr";
645 } elsif ($b =~ /S/) {
646 if ($func =~ /^readdir/) {
647 $true = "PL_reentrant_buffer->_${genfunc}_struct";
649 $true = "&PL_reentrant_buffer->_${genfunc}_struct";
651 } elsif ($b =~ /B/) {
652 $true = "PL_reentrant_buffer->_${genfunc}_buffer";
658 "&PL_reentrant_buffer->_${genfunc}_ptr" :
660 "&PL_reentrant_buffer->_${genfunc}_errno" :
662 "PL_reentrant_buffer->_${genfunc}_buffer" :
664 "PL_reentrant_buffer->_${genfunc}_size" :
666 "&PL_reentrant_buffer->_${genfunc}_fptr" :
668 "&PL_reentrant_buffer->_${genfunc}_data" :
670 ($func =~ /^readdir\d*$/ ?
671 "PL_reentrant_buffer->_${genfunc}_struct" :
673 "PL_reentrant_buffer->_${genfunc}_struct_buffer" :
674 "&PL_reentrant_buffer->_${genfunc}_struct") :
677 $w = ", $w" if length $v;
680 my $call = "${func}_r($v$w)";
682 # Must make OpenBSD happy
685 ($genfunc eq 'protoent' || $genfunc eq 'servent')) {
686 $memzero = 'REENTR_MEMZERO(&PL_reentrant_buffer->_' . $genfunc . '_data, sizeof(PL_reentrant_buffer->_' . $genfunc . '_data)),';
689 # if !defined($func) && ${FUNC}_R_PROTO == REENTRANT_PROTO_$p
691 if ($r eq 'V' || $r eq 'B') {
693 # define $func($v) $call
696 if ($func =~ /^get/) {
697 my $rv = $v ? ", $v" : "";
700 # define $func($v) ($memzero(PL_reentrant_retint = $call)$test ? $true : ((PL_reentrant_retint == ERANGE) ? ($seent{$func} *) Perl_reentrant_retry("$func"$rv) : 0))
704 # define $func($v) ($call$test ? $true : ((errno == ERANGE) ? ($seent{$func} *) Perl_reentrant_retry("$func"$rv) : 0))
709 # define $func($v) ($call$test ? $true : 0)
713 push @wrap, <<EOF; # !defined(xxx) && XXX_R_PROTO == REENTRANT_PROTO_Y_TS
718 push @wrap, <<EOF; # defined(PERL_REENTR_API) && (PERL_REENTR_API+0 == 1)
722 push @wrap, $endif, "\n";
730 /* Defines for indicating which special features are supported. */
735 int dummy; /* cannot have empty structs */
742 #endif /* USE_REENTRANT_API */
747 read_only_bottom_close_and_rename($h);
749 # Prepare to write the reentr.c.
751 my $c = open_print_header('reentr.c', <<'EOQ');
755 * "Saruman," I said, standing away from him, "only one hand at a time can
756 * wield the One, and you know that well, so do not trouble to say we!"
758 * [p.260 of _The Lord of the Rings_, II/ii: "The Council of Elrond"]
762 * This file contains a collection of automatically created wrappers
763 * (created by running reentr.pl) for reentrant (thread-safe) versions of
764 * various library calls, such as getpwent_r. The wrapping is done so
765 * that other files like pp_sys.c calling those library functions need not
766 * care about the differences between various platforms' idiosyncrasies
767 * regarding these reentrant interfaces.
773 #define PERL_IN_REENTR_C
777 #define RenewDouble(data_pointer, size_pointer, type) \\
779 const size_t size = *(size_pointer) * 2; \\
780 Renew((data_pointer), (size), type); \\
781 *(size_pointer) = size; \\
785 Perl_reentrant_size(pTHX) {
787 #ifdef USE_REENTRANT_API
788 #define REENTRANTSMALLSIZE 256 /* Make something up. */
789 #define REENTRANTUSUALSIZE 4096 /* Make something up. */
791 #endif /* USE_REENTRANT_API */
795 Perl_reentrant_init(pTHX) {
797 #ifdef USE_REENTRANT_API
798 Newx(PL_reentrant_buffer, 1, REENTR);
799 Perl_reentrant_size(aTHX);
801 #endif /* USE_REENTRANT_API */
805 Perl_reentrant_free(pTHX) {
807 #ifdef USE_REENTRANT_API
809 Safefree(PL_reentrant_buffer);
810 #endif /* USE_REENTRANT_API */
814 Perl_reentrant_retry(const char *f, ...)
818 #ifdef USE_REENTRANT_API
820 /* Easier to special case this here than in embed.pl. (Look at what it
821 generates for proto.h) */
822 PERL_ARGS_ASSERT_REENTRANT_RETRY;
826 #ifdef USE_REENTRANT_API
827 # 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)
830 # if defined(USE_SERVENT_BUFFER)
833 # if defined(USE_HOSTENT_BUFFER)
836 # if defined(USE_HOSTENT_BUFFER) || defined(USE_NETENT_BUFFER) || defined(USE_PROTOENT_BUFFER) || defined(USE_SERVENT_BUFFER)
840 switch (PL_op->op_type) {
841 #ifdef USE_HOSTENT_BUFFER
846 #ifdef PERL_REENTRANT_MAXSIZE
847 if (PL_reentrant_buffer->_hostent_size <=
848 PERL_REENTRANT_MAXSIZE / 2)
851 RenewDouble(PL_reentrant_buffer->_hostent_buffer,
852 &PL_reentrant_buffer->_hostent_size, char);
853 switch (PL_op->op_type) {
855 p0 = va_arg(ap, void *);
856 asize = va_arg(ap, size_t);
857 anint = va_arg(ap, int);
858 retptr = gethostbyaddr(p0, asize, anint); break;
860 p0 = va_arg(ap, void *);
861 retptr = gethostbyname((char *)p0); break;
863 retptr = gethostent(); break;
865 SETERRNO(ERANGE, LIB_INVARG);
872 #ifdef USE_GRENT_BUFFER
877 #ifdef PERL_REENTRANT_MAXSIZE
878 if (PL_reentrant_buffer->_grent_size <=
879 PERL_REENTRANT_MAXSIZE / 2)
883 RenewDouble(PL_reentrant_buffer->_grent_buffer,
884 &PL_reentrant_buffer->_grent_size, char);
885 switch (PL_op->op_type) {
887 p0 = va_arg(ap, void *);
888 retptr = getgrnam((char *)p0); break;
890 #if Gid_t_size < INTSIZE
891 gid = (Gid_t)va_arg(ap, int);
893 gid = va_arg(ap, Gid_t);
895 retptr = getgrgid(gid); break;
897 retptr = getgrent(); break;
899 SETERRNO(ERANGE, LIB_INVARG);
906 #ifdef USE_NETENT_BUFFER
911 #ifdef PERL_REENTRANT_MAXSIZE
912 if (PL_reentrant_buffer->_netent_size <=
913 PERL_REENTRANT_MAXSIZE / 2)
917 RenewDouble(PL_reentrant_buffer->_netent_buffer,
918 &PL_reentrant_buffer->_netent_size, char);
919 switch (PL_op->op_type) {
921 net = va_arg(ap, Netdb_net_t);
922 anint = va_arg(ap, int);
923 retptr = getnetbyaddr(net, anint); break;
925 p0 = va_arg(ap, void *);
926 retptr = getnetbyname((char *)p0); break;
928 retptr = getnetent(); break;
930 SETERRNO(ERANGE, LIB_INVARG);
937 #ifdef USE_PWENT_BUFFER
942 #ifdef PERL_REENTRANT_MAXSIZE
943 if (PL_reentrant_buffer->_pwent_size <=
944 PERL_REENTRANT_MAXSIZE / 2)
948 RenewDouble(PL_reentrant_buffer->_pwent_buffer,
949 &PL_reentrant_buffer->_pwent_size, char);
950 switch (PL_op->op_type) {
952 p0 = va_arg(ap, void *);
953 retptr = getpwnam((char *)p0); break;
955 #if Uid_t_size < INTSIZE
956 uid = (Uid_t)va_arg(ap, int);
958 uid = va_arg(ap, Uid_t);
960 retptr = getpwuid(uid); break;
961 #if defined(HAS_GETPWENT) || defined(HAS_GETPWENT_R)
963 retptr = getpwent(); break;
966 SETERRNO(ERANGE, LIB_INVARG);
973 #ifdef USE_PROTOENT_BUFFER
978 #ifdef PERL_REENTRANT_MAXSIZE
979 if (PL_reentrant_buffer->_protoent_size <=
980 PERL_REENTRANT_MAXSIZE / 2)
983 RenewDouble(PL_reentrant_buffer->_protoent_buffer,
984 &PL_reentrant_buffer->_protoent_size, char);
985 switch (PL_op->op_type) {
987 p0 = va_arg(ap, void *);
988 retptr = getprotobyname((char *)p0); break;
990 anint = va_arg(ap, int);
991 retptr = getprotobynumber(anint); break;
993 retptr = getprotoent(); break;
995 SETERRNO(ERANGE, LIB_INVARG);
1002 #ifdef USE_SERVENT_BUFFER
1007 #ifdef PERL_REENTRANT_MAXSIZE
1008 if (PL_reentrant_buffer->_servent_size <=
1009 PERL_REENTRANT_MAXSIZE / 2)
1012 RenewDouble(PL_reentrant_buffer->_servent_buffer,
1013 &PL_reentrant_buffer->_servent_size, char);
1014 switch (PL_op->op_type) {
1016 p0 = va_arg(ap, void *);
1017 p1 = va_arg(ap, void *);
1018 retptr = getservbyname((char *)p0, (char *)p1); break;
1020 anint = va_arg(ap, int);
1021 p0 = va_arg(ap, void *);
1022 retptr = getservbyport(anint, (char *)p0); break;
1024 retptr = getservent(); break;
1026 SETERRNO(ERANGE, LIB_INVARG);
1034 /* Not known how to retry, so just fail. */
1046 read_only_bottom_close_and_rename($c);
1049 asctime S |time |const struct tm|B_SB|B_SBI|I_SB|I_SBI
1050 crypt CC |crypt |struct crypt_data|B_CCS|B_CCD|D=CRYPTD*
1051 ctermid B |stdio | |B_B
1052 ctime S |time |const time_t |B_SB|B_SBI|I_SB|I_SBI
1053 endgrent |grp | |I_H|V_H
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*
1057 endpwent |pwd | |I_H|V_H
1058 endservent |netdb | |I_D|V_D|D=struct servent_data*
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
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
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*
1065 getlogin |unistd |char |I_BW|I_BI|B_BW|B_BI
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
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 readdir T |dirent |struct dirent |I_TSR|I_TS|T=DIR*
1080 readdir64 T |dirent |struct dirent64|I_TSR|I_TS|T=DIR*
1081 setgrent |grp | |I_H|V_H
1082 sethostent I |netdb | |I_ID|V_ID|D=struct hostent_data*
1083 setlocale IC |locale | |I_ICBI
1084 setnetent I |netdb | |I_ID|V_ID|D=struct netent_data*
1085 setprotoent I |netdb | |I_ID|V_ID|D=struct protoent_data*
1086 setpwent |pwd | |I_H|V_H
1087 setservent I |netdb | |I_ID|V_ID|D=struct servent_data*
1088 strerror I |string | |I_IBW|I_IBI|B_IBW
1089 tmpnam B |stdio | |B_B
1090 ttyname I |unistd | |I_IBW|I_IBI|B_IBI