[p5sagit/p5-mst-13.2.git] / reentr.pl

#!/usr/bin/perl -w

#
# Generate the reentr.c and reentr.h,
# and optionally also the relevant metaconfig units (-U option).
# 

use strict;
use Getopt::Std;
my %opts;
getopts('U', \%opts);

my %map = (
	   V => "void",
	   A => "char*",	# as an input argument
	   B => "char*",	# as an output argument 
	   C => "const char*",	# as a read-only input argument
	   I => "int",
	   L => "long",
	   W => "size_t",
	   H => "FILE**",
	   E => "int*",
	  );

# (See the definitions after __DATA__.)
# In func|inc|type|... a "S" means "type*", and a "R" means "type**".
# (The "types" are often structs, such as "struct passwd".)
#
# After the prototypes one can have |X=...|Y=... to define more types.
# A commonly used extra type is to define D to be equal to "type_data",
# for example "struct_hostent_data to" go with "struct hostent".
#
# Example #1: I_XSBWR means int  func_r(X, type, char*, size_t, type**)
# Example #2: S_SBIE  means type func_r(type, char*, int, int*)
# Example #3: S_CBI   means type func_r(const char*, char*, int)


die "reentr.h: $!" unless open(H, ">reentr.h");
select H;
print <<EOF;
/*
 *    reentr.h
 *
 *    Copyright (c) 1997-2002, Larry Wall
 *
 *    You may distribute under the terms of either the GNU General Public
 *    License or the Artistic License, as specified in the README file.
 *
 *  !!!!!!!   DO NOT EDIT THIS FILE   !!!!!!!
 *  This file is built by reentrl.pl from data in reentr.pl.
 */

#ifndef REENTR_H
#define REENTR_H 

#ifdef USE_REENTRANT_API
 
/* Deprecations: some platforms have the said reentrant interfaces
 * but they are declared obsolete and are not to be used.  Often this
 * means that the platform has threadsafed the interfaces (hopefully).
 * All this is OS version dependent, so we are of course fooling ourselves.
 * If you know of more deprecations on some platforms, please add your own. */

#ifdef __hpux
#   undef HAS_CRYPT_R
#   undef HAS_DRAND48_R
#   undef HAS_ENDGRENT_R
#   undef HAS_ENDPWENT_R
#   undef HAS_GETGRENT_R
#   undef HAS_GETPWENT_R
#   undef HAS_SETLOCALE_R
#   undef HAS_SRAND48_R
#   undef HAS_STRERROR_R
#   define NETDB_R_OBSOLETE
#endif

#if defined(__osf__) && defined(__alpha) /* Tru64 aka Digital UNIX */
#   undef HAS_CRYPT_R
#   undef HAS_STRERROR_R
#   define NETDB_R_OBSOLETE
#endif

#ifdef NETDB_R_OBSOLETE
#   undef HAS_ENDHOSTENT_R
#   undef HAS_ENDNETENT_R
#   undef HAS_ENDPROTOENT_R
#   undef HAS_ENDSERVENT_R
#   undef HAS_GETHOSTBYADDR_R
#   undef HAS_GETHOSTBYNAME_R
#   undef HAS_GETHOSTENT_R
#   undef HAS_GETNETBYADDR_R
#   undef HAS_GETNETBYNAME_R
#   undef HAS_GETNETENT_R
#   undef HAS_GETPROTOBYNAME_R
#   undef HAS_GETPROTOBYNUMBER_R
#   undef HAS_GETPROTOENT_R
#   undef HAS_GETSERVBYNAME_R
#   undef HAS_GETSERVBYPORT_R
#   undef HAS_GETSERVENT_R
#   undef HAS_SETHOSTENT_R
#   undef HAS_SETNETENT_R
#   undef HAS_SETPROTOENT_R
#   undef HAS_SETSERVENT_R
#endif

#ifdef I_PWD
#   include <pwd.h>
#endif
#ifdef I_GRP
#   include <grp.h>
#endif
#ifdef I_NETDB
#   include <netdb.h>
#endif
#ifdef I_STDLIB
#   include <stdlib.h>	/* drand48_data */
#endif
#ifdef I_CRYPT
#   ifdef I_CRYPT
#       include <crypt.h>
#   endif
#endif
#ifdef HAS_GETSPNAM_R
#   ifdef I_SHADOW
#       include <shadow.h>
#   endif
#endif

EOF

my %seenh;
my %seena;
my @seenf;
my %seenp;
my %seent;
my %seens;
my %seend;
my %seenu;

while (<DATA>) {
    next if /^\s+$/;
    chomp;
    my ($f, $h, $t, @p) = split(/\s*\|\s*/, $_, -1);
    my $u;
    ($f, $u) = split(' ', $f);
    $seenu{$f} = defined $u ? length $u : 0;
    my $F = uc $f;
    push @seenf, $f;
    my %m = %map;
    if ($t) {
	$m{S} = "$t*";
	$m{R} = "$t**";
    }
    if (@p) {
	while ($p[-1] =~ /=/) {
	    my ($k, $v) = ($p[-1] =~ /^([A-Za-z])\s*=\s*(.*)/);
	    $m{$k} = $v;
	    pop @p;
	}
    }
    if ($opts{U} && open(U, ">d_${f}_r.U"))  {
	select U;
    }
    my $prereqh = $h eq 'stdio' ? '' : "i_$h"; # There's no i_stdio.
    print <<EOF if $opts{U};
?RCS: \$Id: d_${f}_r.U,v $
?RCS:
?RCS: Copyright (c) 2002 Jarkko Hietaniemi
?RCS:
?RCS: You may distribute under the terms of either the GNU General Public
?RCS: License or the Artistic License, as specified in the README file.
?RCS:
?RCS: Generated by the reentr.pl from the Perl 5.8 distribution.
?RCS:
?MAKE:d_${f}_r ${f}_r_proto: Inlibc Protochk Hasproto i_systypes $prereqh usethreads
?MAKE:	-pick add \$@ %<
?S:d_${f}_r:
?S:	This variable conditionally defines the HAS_${F}_R symbol,
?S:	which indicates to the C program that the ${f}_r()
?S:	routine is available.
?S:.
?S:${f}_r_proto:
?S:	This variable encodes the prototype of ${f}_r.
?S:.
?C:HAS_${F}_R:
?C:	This symbol, if defined, indicates that the ${f}_r routine
?C:	is available to ${f} re-entrantly.
?C:.
?C:${F}_R_PROTO:
?C:	This symbol encodes the prototype of ${f}_r.
?C:.
?H:#\$d_${f}_r HAS_${F}_R	   /**/
?H:#define ${F}_R_PROTO \$${f}_r_proto	   /**/
?H:.
?T:try hdrs d_${f}_r_proto
?LINT:set d_${f}_r
?LINT:set ${f}_r_proto
: see if ${f}_r exists
set ${f}_r d_${f}_r
eval \$inlibc
case "\$d_${f}_r" in
"\$define")
	hdrs="\$i_systypes sys/types.h define stdio.h \$i_${h} $h.h"
	case "\$d_${f}_r_proto:\$usethreads" in
	":define")	d_${f}_r_proto=define
		set d_${f}_r_proto ${f}_r \$hdrs
		eval \$hasproto ;;
	*)	;;
	esac
	case "\$d_${f}_r_proto" in
	define)
EOF
	for my $p (@p) {
	    my ($r, $a) = ($p =~ /^(.)_(.+)/);
	    my $v = join(", ", map { $m{$_} } split '', $a);
	    if ($opts{U}) {
		print <<EOF ;
	case "\$${f}_r_proto" in
	''|0) try='$m{$r} ${f}_r($v);'
	./protochk "extern \$try" \$hdrs && ${f}_r_proto=$p ;;
	esac
EOF
            }
	    $seenh{$f}->{$p}++;
	    push @{$seena{$f}}, $p;
	    $seenp{$p}++;
	    $seent{$f} = $t;
	    $seens{$f} = $m{S};
	    $seend{$f} = $m{D};
	}
	if ($opts{U}) {
	    print <<EOF;
	case "\$${f}_r_proto" in
	'')	d_${f}_r=undef
 	        ${f}_r_proto=0
		echo "Disabling ${f}_r, cannot determine prototype." >&4 ;;
	* )	case "\$${f}_r_proto" in
		REENTRANT_PROTO*) ;;
		*) ${f}_r_proto="REENTRANT_PROTO_\$${f}_r_proto" ;;
		esac
		echo "Prototype: \$try" ;;
	esac
	;;
	*)	case "\$usethreads" in
		define) echo "${f}_r has no prototype, not using it." >&4 ;;
		esac
		;;
	esac
	;;
*)	${f}_r_proto=0
	;;
esac

EOF
	close(U);		    
    }
}

close DATA;

select H;

{
    my $i = 1;
    for my $p (sort keys %seenp) {
	print "#define REENTRANT_PROTO_${p}	${i}\n";
	$i++;
    }
}

sub ifprotomatch {
    my $F = shift;
    join " || ", map { "${F}_R_PROTO == REENTRANT_PROTO_$_" } @_;
}

my @struct;
my @size;
my @init;
my @free;
my @wrap;
my @define;

sub pushssif {
    push @struct, @_;
    push @size, @_;
    push @init, @_;
    push @free, @_;
}

sub pushinitfree {
    my $f = shift;
    push @init, <<EOF;
	New(31338, PL_reentrant_buffer->_${f}_buffer, PL_reentrant_buffer->_${f}_size, char);
EOF
    push @free, <<EOF;
	Safefree(PL_reentrant_buffer->_${f}_buffer);
EOF
}

sub define {
    my ($n, $p, @F) = @_;
    my @H;
    my $H = uc $F[0];
    push @define, <<EOF;
/* The @F using \L$n? */

EOF
    for my $f (@F) {
	my $F = uc $f;
	my $h = "${F}_R_HAS_$n";
	push @H, $h;
	my @h = grep { /$p/ } @{$seena{$f}};
	if (@h) {
	    push @define, "#if defined(HAS_${F}_R) && (" . join(" || ", map { "${F}_R_PROTO == REENTRANT_PROTO_$_" } @h) . ")\n";

	    push @define, <<EOF;
#   define $h
#else
#   undef  $h
#endif
EOF
        }
    }
    push @define, <<EOF;

/* Any of the @F using \L$n? */

EOF
    push @define, "#if (" . join(" || ", map { "defined($_)" } @H) . ")\n";
    push @define, <<EOF;
#   define USE_${H}_$n
#else
#   undef  USE_${H}_$n
#endif

EOF
}

define('PTR',  'R',
       qw(getgrent getgrgid getgrnam));
define('PTR',  'R',
       qw(getpwent getpwnam getpwuid));
define('PTR',  'R',
       qw(getspent getspnam));

define('FPTR', 'H',
       qw(getgrent getgrgid getgrnam));
define('FPTR', 'H',
       qw(getpwent getpwnam getpwuid));

define('PTR', 'R',
       qw(gethostent gethostbyaddr gethostbyname));
define('PTR', 'R',
       qw(getnetent getnetbyaddr getnetbyname));
define('PTR', 'R',
       qw(getprotoent getprotobyname getprotobynumber));
define('PTR', 'R',
       qw(getservent getservbyname getservbyport));

define('ERRNO', 'E',
       qw(gethostent gethostbyaddr gethostbyname));
define('ERRNO', 'E',
       qw(getnetent getnetbyaddr getnetbyname));

for my $f (@seenf) {
    my $F = uc $f;
    my $ifdef = "#ifdef HAS_${F}_R\n";
    my $endif = "#endif /* HAS_${F}_R */\n";
    if (exists $seena{$f}) {
	my @p = @{$seena{$f}};
	if ($f =~ /^(asctime|ctime|getlogin|setlocale|strerror|ttyname)$/) {
	    pushssif $ifdef;
	    push @struct, <<EOF;
	char*	_${f}_buffer;
	size_t	_${f}_size;
EOF
	    push @size, <<EOF;
	PL_reentrant_buffer->_${f}_size = 256; /* Make something up. */
EOF
	    pushinitfree $f;
	    pushssif $endif;
	}
        elsif ($f =~ /^(crypt|drand48|gmtime|localtime|random)$/) {
	    pushssif $ifdef;
	    push @struct, <<EOF;
	$seent{$f} _${f}_struct;
EOF
	    if ($f eq 'crypt') {
		push @init, <<EOF;
#ifdef __GLIBC__
	PL_reentrant_buffer->_${f}_struct.initialized = 0;
#endif
EOF
	    }
	    if ($1 eq 'drand48') {
	        push @struct, <<EOF;
	double	_${f}_double;
EOF
	    }
	    pushssif $endif;
	}
        elsif ($f =~ /^(getgrnam|getpwnam|getspnam)$/) {
	    pushssif $ifdef;
	    my $g = $f;
	    $g =~ s/nam/ent/g;
	    my $G = uc $g;
	    push @struct, <<EOF;
	$seent{$f}	_${g}_struct;
	char*	_${g}_buffer;
	size_t	_${g}_size;
EOF
            push @struct, <<EOF;
#   ifdef USE_${G}_PTR
	$seent{$f}*	_${g}_ptr;
#   endif
EOF
    	    if ($g eq 'getspent') {
		push @size, <<EOF;
	PL_reentrant_buffer->_${g}_size = 1024;
EOF
	    } else {
	        push @struct, <<EOF;
#   ifdef USE_${G}_FPTR
	FILE*	_${g}_fptr;
#   endif
EOF
		    push @init, <<EOF;
#   ifdef USE_${G}_FPTR
	PL_reentrant_buffer->_${g}_fptr = NULL;
#   endif
EOF
		my $sc = $g eq 'getgrent' ?
		    '_SC_GETGR_R_SIZE_MAX' : '_SC_GETPW_R_SIZE_MAX';
		push @size, <<EOF;
#   if defined(HAS_SYSCONF) && defined($sc) && !defined(__GLIBC__)
	PL_reentrant_buffer->_${g}_size = sysconf($sc);
#   else
#       if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
	PL_reentrant_buffer->_${g}_size = SIABUFSIZ;
#       else
#           ifdef __sgi
	PL_reentrant_buffer->_${g}_size = BUFSIZ;
#           else
	PL_reentrant_buffer->_${g}_size = 2048;
#           endif
#       endif
#   endif 
EOF
            }
	    pushinitfree $g;
	    pushssif $endif;
	}
        elsif ($f =~ /^(gethostbyname|getnetbyname|getservbyname|getprotobyname)$/) {
	    pushssif $ifdef;
	    my $g = $f;
	    $g =~ s/byname/ent/;
	    my $G = uc $g;
	    my $D = ifprotomatch($F, grep {/D/} @p);
	    my $d = $seend{$f};
	    push @struct, <<EOF;
	$seent{$f}	_${g}_struct;
#   if $D
	$d	_${g}_data;
#   else
	char*	_${g}_buffer;
	size_t	_${g}_size;
#   endif
#   ifdef USE_${G}_PTR
	$seent{$f}*	_${g}_ptr;
#   endif
EOF
    	    push @struct, <<EOF;
#   ifdef USE_${G}_ERRNO
	int	_${g}_errno;
#   endif 
EOF
	    push @size, <<EOF;
#if   !($D)
	PL_reentrant_buffer->_${g}_size = 2048; /* Any better ideas? */
#endif
EOF
	    push @init, <<EOF;
#if   !($D)
	New(31338, PL_reentrant_buffer->_${g}_buffer, PL_reentrant_buffer->_${g}_size, char);
#endif
EOF
	    push @free, <<EOF;
#if   !($D)
	Safefree(PL_reentrant_buffer->_${g}_buffer);
#endif
EOF
	    pushssif $endif;
	}
        elsif ($f =~ /^(readdir|readdir64)$/) {
	    pushssif $ifdef;
	    my $R = ifprotomatch($F, grep {/R/} @p);
	    push @struct, <<EOF;
	$seent{$f}*	_${f}_struct;
	size_t	_${f}_size;
#   if $R
	$seent{$f}*	_${f}_ptr;
#   endif
EOF
	    push @size, <<EOF;
	/* This is the size Solaris recommends.
	 * (though we go static, should use pathconf() instead) */
	PL_reentrant_buffer->_${f}_size = sizeof($seent{$f}) + MAXPATHLEN + 1;
EOF
    	    push @init, <<EOF;
	PL_reentrant_buffer->_${f}_struct = ($seent{$f}*)safemalloc(PL_reentrant_buffer->_${f}_size);
EOF
	    push @free, <<EOF;
	Safefree(PL_reentrant_buffer->_${f}_struct);
EOF
	    pushssif $endif;
	}

	push @wrap, $ifdef;

# Doesn't implement the buffer growth loop for glibc gethostby*().
	push @wrap, <<EOF;
#   undef $f
EOF
        my @v = 'a'..'z';
        my $v = join(", ", @v[0..$seenu{$f}-1]);
	for my $p (@p) {
	    my ($r, $a) = split '_', $p;
	    my $test = $r eq 'I' ? ' == 0' : '';
	    my $true  = 1;
	    my $false = 0;
	    my $g = $f;
	    if ($g =~ /^(?:get|set|end)(pw|gr|host|net|proto|serv|sp)/) {
		$g = "get$1ent";
	    } elsif ($g eq 'srand48') {
		$g = "drand48";
	    }
	    my $b = $a;
	    my $w = '';
	    substr($b, 0, $seenu{$f}) = '';
	    if ($b =~ /R/) {
		$true = "PL_reentrant_buffer->_${g}_ptr";
	    } elsif ($b =~ /T/ && $f eq 'drand48') {
		$true = "PL_reentrant_buffer->_${g}_double";
	    } elsif ($b =~ /S/) {
		if ($f =~ /^readdir/) {
		    $true = "PL_reentrant_buffer->_${g}_struct";
		} else {
		    $true = "&PL_reentrant_buffer->_${g}_struct";
		}
	    } elsif ($b =~ /B/) {
		$true = "PL_reentrant_buffer->_${g}_buffer";
	    }
	    if (length $b) {
		$w = join ", ",
		         map {
			     $_ eq 'R' ?
				 "&PL_reentrant_buffer->_${g}_ptr" :
			     $_ eq 'E' ?
				 "&PL_reentrant_buffer->_${g}_errno" :
			     $_ eq 'B' ?
				 "PL_reentrant_buffer->_${g}_buffer" :
			     $_ =~ /^[WI]$/ ?
				 "PL_reentrant_buffer->_${g}_size" :
			     $_ eq 'H' ?
				 "&PL_reentrant_buffer->_${g}_fptr" :
			     $_ eq 'D' ?
				 "&PL_reentrant_buffer->_${g}_data" :
			     $_ eq 'S' ?
				 ($f =~ /^readdir/ ?
				  "PL_reentrant_buffer->_${g}_struct" :
				  "&PL_reentrant_buffer->_${g}_struct" ) :
			     $_ eq 'T' && $f eq 'drand48' ?
				 "&PL_reentrant_buffer->_${g}_double" :
				 $_
			 } split '', $b;
		$w = ", $w" if length $v;
	    }
	    my $call = "${f}_r($v$w)";
	    $call = "((errno = $call))" if $r eq 'I';
	    push @wrap, <<EOF;
#   if !defined($f) && ${F}_R_PROTO == REENTRANT_PROTO_$p
EOF
	    if ($r eq 'V' || $r eq 'B') {
	        push @wrap, <<EOF;
#       define $f($v) $call
EOF
	    } else {
	        push @wrap, <<EOF;
#       define $f($v) ($call$test ? $true : $false)
EOF
	    }
	    push @wrap, <<EOF;
#   endif
EOF
	}

	push @wrap, $endif, "\n";
    }
}

local $" = '';

print <<EOF;

/* Defines for indicating which special features are supported. */

@define
typedef struct {
@struct
} REENTR;

/* The wrappers. */

@wrap
#endif /* USE_REENTRANT_API */
 
#endif

EOF

close(H);

die "reentr.c: $!" unless open(C, ">reentr.c");
select C;
print <<EOF;
/*
 *    reentr.c
 *
 *    Copyright (c) 1997-2002, Larry Wall
 *
 *    You may distribute under the terms of either the GNU General Public
 *    License or the Artistic License, as specified in the README file.
 *
 *  !!!!!!!   DO NOT EDIT THIS FILE   !!!!!!!
 *  This file is built by reentrl.pl from data in reentr.pl.
 *
 * "Saruman," I said, standing away from him, "only one hand at a time can
 *  wield the One, and you know that well, so do not trouble to say we!"
 *
 */

#include "EXTERN.h"
#define PERL_IN_REENTR_C
#include "perl.h"
#include "reentr.h"

void
Perl_reentrant_size(pTHX) {
#ifdef USE_REENTRANT_API
@size
#endif /* USE_REENTRANT_API */
}

void
Perl_reentrant_init(pTHX) {
#ifdef USE_REENTRANT_API
	New(31337, PL_reentrant_buffer, 1, REENTR);
	Perl_reentrant_size(aTHX);
@init
#endif /* USE_REENTRANT_API */
}

void
Perl_reentrant_free(pTHX) {
#ifdef USE_REENTRANT_API
@free
	Safefree(PL_reentrant_buffer);
#endif /* USE_REENTRANT_API */
}

EOF

__DATA__
asctime S	|time	|const struct tm|B_SB|B_SBI|I_SB|I_SBI
crypt CC	|crypt	|struct crypt_data|B_CCS
ctermid	B	|stdio	|		|B_B
ctime S		|time	|const time_t	|B_SB|B_SBI|I_SB|I_SBI
drand48		|stdlib	|struct drand48_data	|I_ST|T=double*
endgrent	|grp	|		|I_H|V_H
endhostent	|netdb	|struct hostent_data	|I_S|V_S
endnetent	|netdb	|struct netent_data	|I_S|V_S
endprotoent	|netdb	|struct protoent_data	|I_S|V_S
endpwent	|pwd	|		|I_H|V_H
endservent	|netdb	|struct servent_data	|I_S|V_S
getgrent	|grp	|struct group	|I_SBWR|I_SBIR|S_SBW|S_SBI|I_SBI|I_SBIH
getgrgid T	|grp	|struct group	|I_TSBWR|I_TSBIR|I_TSBI|S_TSBI|T=gid_t
getgrnam C	|grp	|struct group	|I_CSBWR|I_CSBIR|S_CBI|I_CSBI|S_CSBI
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*
gethostbyname C	|netdb	|struct hostent	|I_CSBWRE|S_CSBIE|I_CSD|D=struct hostent_data*
gethostent	|netdb	|struct hostent	|I_SBWRE|I_SBIE|S_SBIE|S_SBI|I_SBI|I_SD|D=struct hostent_data*
getlogin	|unistd	|		|I_BW|I_BI|B_BW|B_BI
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
getnetbyname C	|netdb	|struct netent	|I_CSBWRE|I_CSBI|S_CSBI|I_CSD|D=struct netent_data*
getnetent	|netdb	|struct netent	|I_SBWRE|I_SBIE|S_SBIE|S_SBI|I_SBI|I_SD|D=struct netent_data*
getprotobyname C|netdb	|struct protoent|I_CSBWR|S_CSBI|I_CSD|D=struct protoent_data*
getprotobynumber I	|netdb	|struct protoent|I_ISBWR|S_ISBI|I_ISD|D=struct protoent_data*
getprotoent	|netdb	|struct protoent|I_SBWR|I_SBI|S_SBI|I_SD|D=struct protoent_data*
getpwent	|pwd	|struct passwd	|I_SBWR|I_SBIR|S_SBW|S_SBI|I_SBI|I_SBIH
getpwnam C	|pwd	|struct passwd	|I_CSBWR|I_CSBIR|S_CSBI|I_CSBI
getpwuid T	|pwd	|struct passwd	|I_TSBWR|I_TSBIR|I_TSBI|S_TSBI|T=uid_t
getservbyname CC|netdb	|struct servent	|I_CCSBWR|S_CCSBI|I_CCSD|D=struct servent_data*
getservbyport IC|netdb	|struct servent	|I_ICSBWR|S_ICSBI|I_ICSD|D=struct servent_data*
getservent	|netdb	|struct servent	|I_SBWR|I_SBI|S_SBI|I_SD|D=struct servent_data*
getspnam C	|shadow	|struct spwd	|I_CSBWR|S_CSBI
gmtime T	|time	|struct tm	|S_TS|I_TS|T=const time_t*
localtime T	|time	|struct tm	|S_TS|I_TS|T=const time_t*
random		|stdlib	|struct random_data|I_TS|T=int*
readdir T	|dirent	|struct dirent	|I_TSR|I_TS|T=DIR*
readdir64 T	|dirent	|struct dirent64|I_TSR|I_TS|T=DIR*
setgrent	|grp	|		|I_H|V_H
sethostent I	|netdb	|		|I_ID|V_ID|D=struct hostent_data*
setlocale IC	|locale	|		|I_ICBI
setnetent I	|netdb	|		|I_ID|V_ID|D=struct netent_data*
setprotoent I	|netdb	|		|I_ID|V_ID|D=struct protoent_data*
setpwent	|pwd	|		|I_H|V_H
setservent I	|netdb	|		|I_ID|V_ID|D=struct servent_data*
srand48 L	|stdlib	|struct drand48_data	|I_LS
srandom	T	|stdlib	|struct random_data|I_TS|T=unsigned int
strerror I	|string	|		|I_IBW|I_IBI|B_IBW
tmpnam B	|stdio	|		|B_B
ttyname	I	|unistd	|		|I_IBW|I_IBI|B_IBI
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	*
	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
efa45b01	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
c18e646a	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
a48ec845	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
	339	define('PTR', 'R',
	340	qw(getgrent getgrgid getgrnam));
	341	define('PTR', 'R',
	342	qw(getpwent getpwnam getpwuid));
	343	define('PTR', 'R',
	344	qw(getspent getspnam));
	345
	346	define('FPTR', 'H',
	347	qw(getgrent getgrgid getgrnam));
	348	define('FPTR', 'H',
	349	qw(getpwent getpwnam getpwuid));
	350
	351	define('PTR', 'R',
	352	qw(gethostent gethostbyaddr gethostbyname));
	353	define('PTR', 'R',
	354	qw(getnetent getnetbyaddr getnetbyname));
	355	define('PTR', 'R',
	356	qw(getprotoent getprotobyname getprotobynumber));
	357	define('PTR', 'R',
	358	qw(getservent getservbyname getservbyport));
	359
	360	define('ERRNO', 'E',
	361	qw(gethostent gethostbyaddr gethostbyname));
	362	define('ERRNO', 'E',
	363	qw(getnetent getnetbyaddr getnetbyname));
	364
	365	for my $f (@seenf) {
	366	my $F = uc $f;
	367	my $ifdef = "#ifdef HAS_${F}_R\n";
	368	my $endif = "#endif /* HAS_${F}_R */\n";
	369	if (exists $seena{$f}) {
	370	my @p = @{$seena{$f}};
	371	if ($f =~ /^(asctime\|ctime\|getlogin\|setlocale\|strerror\|ttyname)$/) {
	372	pushssif $ifdef;
	373	push @struct, <<EOF;
	374	char* _${f}_buffer;
	375	size_t _${f}_size;
	376	EOF
	377	push @size, <<EOF;
	378	PL_reentrant_buffer->_${f}_size = 256; /* Make something up. */
379	EOF
380	pushinitfree $f;
381	pushssif $endif;
382	}
383	elsif ($f =~ /^(crypt\|drand48\|gmtime\|localtime\|random)$/) {
384	pushssif $ifdef;
385	push @struct, <<EOF;
386	$seent{$f} _${f}_struct;
387	EOF
388	if ($f eq 'crypt') {
389	push @init, <<EOF;
390	#ifdef __GLIBC__
391	PL_reentrant_buffer->_${f}_struct.initialized = 0;
392	#endif
393	EOF
394	}
395	if ($1 eq 'drand48') {
396	push @struct, <<EOF;
397	double _${f}_double;
398	EOF
399	}
400	pushssif $endif;
401	}
402	elsif ($f =~ /^(getgrnam\|getpwnam\|getspnam)$/) {
403	pushssif $ifdef;
404	my $g = $f;
405	$g =~ s/nam/ent/g;
406	my $G = uc $g;
407	push @struct, <<EOF;
408	$seent{$f} _${g}_struct;
409	char* _${g}_buffer;
410	size_t _${g}_size;
411	EOF
412	push @struct, <<EOF;
413	# ifdef USE_${G}_PTR
414	$seent{$f}* _${g}_ptr;
415	# endif
416	EOF
417	if ($g eq 'getspent') {
418	push @size, <<EOF;
419	PL_reentrant_buffer->_${g}_size = 1024;
420	EOF
421	} else {
422	push @struct, <<EOF;
423	# ifdef USE_${G}_FPTR
424	FILE* _${g}_fptr;
425	# endif
426	EOF
427	push @init, <<EOF;
428	# ifdef USE_${G}_FPTR
429	PL_reentrant_buffer->_${g}_fptr = NULL;
430	# endif
431	EOF
432	my $sc = $g eq 'getgrent' ?
433	'_SC_GETGR_R_SIZE_MAX' : '_SC_GETPW_R_SIZE_MAX';
434	push @size, <<EOF;
435	# if defined(HAS_SYSCONF) && defined($sc) && !defined(__GLIBC__)
436	PL_reentrant_buffer->_${g}_size = sysconf($sc);
437	# else
438	# if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
439	PL_reentrant_buffer->_${g}_size = SIABUFSIZ;
440	# else
441	# ifdef __sgi
442	PL_reentrant_buffer->_${g}_size = BUFSIZ;
443	# else
444	PL_reentrant_buffer->_${g}_size = 2048;
445	# endif
446	# endif
447	# endif
448	EOF
449	}
450	pushinitfree $g;
451	pushssif $endif;
452	}
453	elsif ($f =~ /^(gethostbyname\|getnetbyname\|getservbyname\|getprotobyname)$/) {
454	pushssif $ifdef;
455	my $g = $f;
456	$g =~ s/byname/ent/;
457	my $G = uc $g;
458	my $D = ifprotomatch($F, grep {/D/} @p);
459	my $d = $seend{$f};
460	push @struct, <<EOF;
461	$seent{$f} _${g}_struct;
462	# if $D
463	$d _${g}_data;
464	# else
465	char* _${g}_buffer;
466	size_t _${g}_size;
467	# endif
468	# ifdef USE_${G}_PTR
469	$seent{$f}* _${g}_ptr;
470	# endif
471	EOF
472	push @struct, <<EOF;
473	# ifdef USE_${G}_ERRNO
474	int _${g}_errno;
475	# endif
476	EOF
477	push @size, <<EOF;
478	#if !($D)
479	PL_reentrant_buffer->_${g}_size = 2048; /* Any better ideas? */
480	#endif
481	EOF
482	push @init, <<EOF;
483	#if !($D)
484	New(31338, PL_reentrant_buffer->_${g}_buffer, PL_reentrant_buffer->_${g}_size, char);
485	#endif
486	EOF
487	push @free, <<EOF;
488	#if !($D)
489	Safefree(PL_reentrant_buffer->_${g}_buffer);
490	#endif
491	EOF
492	pushssif $endif;
493	}
494	elsif ($f =~ /^(readdir\|readdir64)$/) {
495	pushssif $ifdef;
496	my $R = ifprotomatch($F, grep {/R/} @p);
497	push @struct, <<EOF;
498	$seent{$f}* _${f}_struct;
499	size_t _${f}_size;
500	# if $R
501	$seent{$f}* _${f}_ptr;
502	# endif
503	EOF
504	push @size, <<EOF;
505	/* This is the size Solaris recommends.
506	* (though we go static, should use pathconf() instead) */
507	PL_reentrant_buffer->_${f}_size = sizeof($seent{$f}) + MAXPATHLEN + 1;
508	EOF
509	push @init, <<EOF;
510	PL_reentrant_buffer->_${f}_struct = ($seent{$f}*)safemalloc(PL_reentrant_buffer->_${f}_size);
511	EOF
512	push @free, <<EOF;
513	Safefree(PL_reentrant_buffer->_${f}_struct);
514	EOF
515	pushssif $endif;
516	}
517
518	push @wrap, $ifdef;
519
520	# Doesn't implement the buffer growth loop for glibc gethostby*().
521	push @wrap, <<EOF;
522	# undef $f
523	EOF
524	my @v = 'a'..'z';
525	my $v = join(", ", @v[0..$seenu{$f}-1]);
526	for my $p (@p) {
527	my ($r, $a) = split '_', $p;
528	my $test = $r eq 'I' ? ' == 0' : '';
529	my $true = 1;
530	my $false = 0;
531	my $g = $f;
532	if ($g =~ /^(?:get\|set\|end)(pw\|gr\|host\|net\|proto\|serv\|sp)/) {
533	$g = "get$1ent";
534	} elsif ($g eq 'srand48') {
535	$g = "drand48";
536	}
537	my $b = $a;
538	my $w = '';
539	substr($b, 0, $seenu{$f}) = '';
540	if ($b =~ /R/) {
541	$true = "PL_reentrant_buffer->_${g}_ptr";
542	} elsif ($b =~ /T/ && $f eq 'drand48') {
543	$true = "PL_reentrant_buffer->_${g}_double";
544	} elsif ($b =~ /S/) {
545	if ($f =~ /^readdir/) {
546	$true = "PL_reentrant_buffer->_${g}_struct";
547	} else {
548	$true = "&PL_reentrant_buffer->_${g}_struct";
549	}
550	} elsif ($b =~ /B/) {
551	$true = "PL_reentrant_buffer->_${g}_buffer";
552	}
553	if (length $b) {
554	$w = join ", ",
555	map {
556	$_ eq 'R' ?
557	"&PL_reentrant_buffer->_${g}_ptr" :
558	$_ eq 'E' ?
559	"&PL_reentrant_buffer->_${g}_errno" :
560	$_ eq 'B' ?
561	"PL_reentrant_buffer->_${g}_buffer" :
562	$_ =~ /^[WI]$/ ?
563	"PL_reentrant_buffer->_${g}_size" :
564	$_ eq 'H' ?
565	"&PL_reentrant_buffer->_${g}_fptr" :
566	$_ eq 'D' ?
567	"&PL_reentrant_buffer->_${g}_data" :
568	$_ eq 'S' ?
569	($f =~ /^readdir/ ?
570	"PL_reentrant_buffer->_${g}_struct" :
571	"&PL_reentrant_buffer->_${g}_struct" ) :
572	$_ eq 'T' && $f eq 'drand48' ?
573	"&PL_reentrant_buffer->_${g}_double" :
574	$_
575	} split '', $b;
576	$w = ", $w" if length $v;
577	}
578	my $call = "${f}_r($v$w)";
579	$call = "((errno = $call))" if $r eq 'I';
580	push @wrap, <<EOF;
581	# if !defined($f) && ${F}_R_PROTO == REENTRANT_PROTO_$p
582	EOF
583	if ($r eq 'V' \|\| $r eq 'B') {
584	push @wrap, <<EOF;
585	# define $f($v) $call
586	EOF
587	} else {
588	push @wrap, <<EOF;
589	# define $f($v) ($call$test ? $true : $false)
590	EOF
591	}
592	push @wrap, <<EOF;
593	# endif
594	EOF
595	}
596
597	push @wrap, $endif, "\n";
598	}
599	}
600
601	local $" = '';
602
603	print <<EOF;
604
605	/* Defines for indicating which special features are supported. */
606
607	@define
608	typedef struct {
609	@struct
610	} REENTR;
611
612	/* The wrappers. */
613
614	@wrap
615	#endif /* USE_REENTRANT_API */
616
617	#endif
618
619	EOF
620
621	close(H);
622
623	die "reentr.c: $!" unless open(C, ">reentr.c");
624	select C;
625	print <<EOF;
626	/*
627	* reentr.c
628	*
629	* Copyright (c) 1997-2002, Larry Wall
630	*
631	* You may distribute under the terms of either the GNU General Public
632	* License or the Artistic License, as specified in the README file.
633	*
634	* !!!!!!! DO NOT EDIT THIS FILE !!!!!!!
635	* This file is built by reentrl.pl from data in reentr.pl.
636	*
637	* "Saruman," I said, standing away from him, "only one hand at a time can
638	* wield the One, and you know that well, so do not trouble to say we!"
639	*
640	*/
641
642	#include "EXTERN.h"
643	#define PERL_IN_REENTR_C
644	#include "perl.h"
645	#include "reentr.h"
646
647	void
648	Perl_reentrant_size(pTHX) {
649	#ifdef USE_REENTRANT_API
650	@size
651	#endif /* USE_REENTRANT_API */
652	}
653
654	void
655	Perl_reentrant_init(pTHX) {
656	#ifdef USE_REENTRANT_API
657	New(31337, PL_reentrant_buffer, 1, REENTR);
658	Perl_reentrant_size(aTHX);
659	@init
660	#endif /* USE_REENTRANT_API */
661	}
662
663	void
664	Perl_reentrant_free(pTHX) {
665	#ifdef USE_REENTRANT_API
666	@free
667	Safefree(PL_reentrant_buffer);
668	#endif /* USE_REENTRANT_API */
669	}
670
671	EOF
672
673	__DATA__
674	asctime S \|time \|const struct tm\|B_SB\|B_SBI\|I_SB\|I_SBI
675	crypt CC \|crypt \|struct crypt_data\|B_CCS
676	ctermid B \|stdio \| \|B_B
677	ctime S \|time \|const time_t \|B_SB\|B_SBI\|I_SB\|I_SBI
678	drand48 \|stdlib \|struct drand48_data \|I_ST\|T=double*
679	endgrent \|grp \| \|I_H\|V_H
680	endhostent \|netdb \|struct hostent_data \|I_S\|V_S
681	endnetent \|netdb \|struct netent_data \|I_S\|V_S
682	endprotoent \|netdb \|struct protoent_data \|I_S\|V_S
683	endpwent \|pwd \| \|I_H\|V_H
684	endservent \|netdb \|struct servent_data \|I_S\|V_S
685	getgrent \|grp \|struct group \|I_SBWR\|I_SBIR\|S_SBW\|S_SBI\|I_SBI\|I_SBIH
686	getgrgid T \|grp \|struct group \|I_TSBWR\|I_TSBIR\|I_TSBI\|S_TSBI\|T=gid_t
687	getgrnam C \|grp \|struct group \|I_CSBWR\|I_CSBIR\|S_CBI\|I_CSBI\|S_CSBI
688	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
689	gethostbyname C \|netdb \|struct hostent \|I_CSBWRE\|S_CSBIE\|I_CSD\|D=struct hostent_data*
690	gethostent \|netdb \|struct hostent \|I_SBWRE\|I_SBIE\|S_SBIE\|S_SBI\|I_SBI\|I_SD\|D=struct hostent_data*
691	getlogin \|unistd \| \|I_BW\|I_BI\|B_BW\|B_BI
692	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
693	getnetbyname C \|netdb \|struct netent \|I_CSBWRE\|I_CSBI\|S_CSBI\|I_CSD\|D=struct netent_data*
694	getnetent \|netdb \|struct netent \|I_SBWRE\|I_SBIE\|S_SBIE\|S_SBI\|I_SBI\|I_SD\|D=struct netent_data*
695	getprotobyname C\|netdb \|struct protoent\|I_CSBWR\|S_CSBI\|I_CSD\|D=struct protoent_data*
696	getprotobynumber I \|netdb \|struct protoent\|I_ISBWR\|S_ISBI\|I_ISD\|D=struct protoent_data*
697	getprotoent \|netdb \|struct protoent\|I_SBWR\|I_SBI\|S_SBI\|I_SD\|D=struct protoent_data*
698	getpwent \|pwd \|struct passwd \|I_SBWR\|I_SBIR\|S_SBW\|S_SBI\|I_SBI\|I_SBIH
699	getpwnam C \|pwd \|struct passwd \|I_CSBWR\|I_CSBIR\|S_CSBI\|I_CSBI
700	getpwuid T \|pwd \|struct passwd \|I_TSBWR\|I_TSBIR\|I_TSBI\|S_TSBI\|T=uid_t
701	getservbyname CC\|netdb \|struct servent \|I_CCSBWR\|S_CCSBI\|I_CCSD\|D=struct servent_data*
702	getservbyport IC\|netdb \|struct servent \|I_ICSBWR\|S_ICSBI\|I_ICSD\|D=struct servent_data*
703	getservent \|netdb \|struct servent \|I_SBWR\|I_SBI\|S_SBI\|I_SD\|D=struct servent_data*
704	getspnam C \|shadow \|struct spwd \|I_CSBWR\|S_CSBI
705	gmtime T \|time \|struct tm \|S_TS\|I_TS\|T=const time_t*
706	localtime T \|time \|struct tm \|S_TS\|I_TS\|T=const time_t*
707	random \|stdlib \|struct random_data\|I_TS\|T=int*
708	readdir T \|dirent \|struct dirent \|I_TSR\|I_TS\|T=DIR*
709	readdir64 T \|dirent \|struct dirent64\|I_TSR\|I_TS\|T=DIR*
710	setgrent \|grp \| \|I_H\|V_H
711	sethostent I \|netdb \| \|I_ID\|V_ID\|D=struct hostent_data*
712	setlocale IC \|locale \| \|I_ICBI
713	setnetent I \|netdb \| \|I_ID\|V_ID\|D=struct netent_data*
714	setprotoent I \|netdb \| \|I_ID\|V_ID\|D=struct protoent_data*
715	setpwent \|pwd \| \|I_H\|V_H
716	setservent I \|netdb \| \|I_ID\|V_ID\|D=struct servent_data*
717	srand48 L \|stdlib \|struct drand48_data \|I_LS
718	srandom T \|stdlib \|struct random_data\|I_TS\|T=unsigned int
719	strerror I \|string \| \|I_IBW\|I_IBI\|B_IBW
720	tmpnam B \|stdio \| \|B_B
721	ttyname I \|unistd \| \|I_IBW\|I_IBI\|B_IBI