[perl5.git] / reentr.c

/*
 *    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
#define REENTRANTSMALLSIZE	 256	/* Make something up. */
#define REENTRANTUSUALSIZE	4096	/* Make something up. */
#ifdef HAS_ASCTIME_R
	PL_reentrant_buffer->_asctime_size = REENTRANTSMALLSIZE;
#endif /* HAS_ASCTIME_R */
#ifdef HAS_CRYPT_R
#endif /* HAS_CRYPT_R */
#ifdef HAS_CTIME_R
	PL_reentrant_buffer->_ctime_size = REENTRANTSMALLSIZE;
#endif /* HAS_CTIME_R */
#ifdef HAS_DRAND48_R
#endif /* HAS_DRAND48_R */
#ifdef HAS_GETGRNAM_R
#   if defined(HAS_SYSCONF) && defined(_SC_GETPW_R_SIZE_MAX) && !defined(__GLIBC__)
	PL_reentrant_buffer->_grent_size = sysconf(_SC_GETPW_R_SIZE_MAX);
	if (PL_reentrant_buffer->_pwent_size == -1)
		PL_reentrant_buffer->_pwent_size = REENTRANTUSUALSIZE;
#   else
#       if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
	PL_reentrant_buffer->_grent_size = SIABUFSIZ;
#       else
#           ifdef __sgi
	PL_reentrant_buffer->_grent_size = BUFSIZ;
#           else
	PL_reentrant_buffer->_grent_size = REENTRANTUSUALSIZE;
#           endif
#       endif
#   endif 
#endif /* HAS_GETGRNAM_R */
#ifdef HAS_GETHOSTBYNAME_R
#if   !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
	PL_reentrant_buffer->_hostent_size = REENTRANTUSUALSIZE;
#endif
#endif /* HAS_GETHOSTBYNAME_R */
#ifdef HAS_GETLOGIN_R
	PL_reentrant_buffer->_getlogin_size = REENTRANTSMALLSIZE;
#endif /* HAS_GETLOGIN_R */
#ifdef HAS_GETNETBYNAME_R
#if   !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
	PL_reentrant_buffer->_netent_size = REENTRANTUSUALSIZE;
#endif
#endif /* HAS_GETNETBYNAME_R */
#ifdef HAS_GETPROTOBYNAME_R
#if   !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
	PL_reentrant_buffer->_protoent_size = REENTRANTUSUALSIZE;
#endif
#endif /* HAS_GETPROTOBYNAME_R */
#ifdef HAS_GETPWNAM_R
#   if defined(HAS_SYSCONF) && defined(_SC_GETPW_R_SIZE_MAX) && !defined(__GLIBC__)
	PL_reentrant_buffer->_pwent_size = sysconf(_SC_GETPW_R_SIZE_MAX);
	if (PL_reentrant_buffer->_pwent_size == -1)
		PL_reentrant_buffer->_pwent_size = REENTRANTUSUALSIZE;
#   else
#       if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
	PL_reentrant_buffer->_pwent_size = SIABUFSIZ;
#       else
#           ifdef __sgi
	PL_reentrant_buffer->_pwent_size = BUFSIZ;
#           else
	PL_reentrant_buffer->_pwent_size = REENTRANTUSUALSIZE;
#           endif
#       endif
#   endif 
#endif /* HAS_GETPWNAM_R */
#ifdef HAS_GETSERVBYNAME_R
#if   !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD)
	PL_reentrant_buffer->_servent_size = REENTRANTUSUALSIZE;
#endif
#endif /* HAS_GETSERVBYNAME_R */
#ifdef HAS_GETSPNAM_R
#   if defined(HAS_SYSCONF) && defined(_SC_GETPW_R_SIZE_MAX) && !defined(__GLIBC__)
	PL_reentrant_buffer->_spent_size = sysconf(_SC_GETPW_R_SIZE_MAX);
	if (PL_reentrant_buffer->_pwent_size == -1)
		PL_reentrant_buffer->_pwent_size = REENTRANTUSUALSIZE;
#   else
#       if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
	PL_reentrant_buffer->_spent_size = SIABUFSIZ;
#       else
#           ifdef __sgi
	PL_reentrant_buffer->_spent_size = BUFSIZ;
#           else
	PL_reentrant_buffer->_spent_size = REENTRANTUSUALSIZE;
#           endif
#       endif
#   endif 
#endif /* HAS_GETSPNAM_R */
#ifdef HAS_GMTIME_R
#endif /* HAS_GMTIME_R */
#ifdef HAS_LOCALTIME_R
#endif /* HAS_LOCALTIME_R */
#ifdef HAS_RANDOM_R
#endif /* HAS_RANDOM_R */
#ifdef HAS_READDIR_R
	/* This is the size Solaris recommends.
	 * (though we go static, should use pathconf() instead) */
	PL_reentrant_buffer->_readdir_size = sizeof(struct dirent) + MAXPATHLEN + 1;
#endif /* HAS_READDIR_R */
#ifdef HAS_READDIR64_R
	/* This is the size Solaris recommends.
	 * (though we go static, should use pathconf() instead) */
	PL_reentrant_buffer->_readdir64_size = sizeof(struct dirent64) + MAXPATHLEN + 1;
#endif /* HAS_READDIR64_R */
#ifdef HAS_SETLOCALE_R
	PL_reentrant_buffer->_setlocale_size = REENTRANTSMALLSIZE;
#endif /* HAS_SETLOCALE_R */
#ifdef HAS_STRERROR_R
	PL_reentrant_buffer->_strerror_size = REENTRANTSMALLSIZE;
#endif /* HAS_STRERROR_R */
#ifdef HAS_TTYNAME_R
	PL_reentrant_buffer->_ttyname_size = REENTRANTSMALLSIZE;
#endif /* HAS_TTYNAME_R */

#endif /* USE_REENTRANT_API */
}

void
Perl_reentrant_init(pTHX) {
#ifdef USE_REENTRANT_API
	New(31337, PL_reentrant_buffer, 1, REENTR);
	Perl_reentrant_size(aTHX);
#ifdef HAS_ASCTIME_R
	New(31338, PL_reentrant_buffer->_asctime_buffer, PL_reentrant_buffer->_asctime_size, char);
#endif /* HAS_ASCTIME_R */
#ifdef HAS_CRYPT_R
#ifdef __GLIBC__
	PL_reentrant_buffer->_crypt_struct.initialized = 0;
	/* work around glibc-2.2.5 bug */
	PL_reentrant_buffer->_crypt_struct.current_saltbits = 0;
#endif
#endif /* HAS_CRYPT_R */
#ifdef HAS_CTIME_R
	New(31338, PL_reentrant_buffer->_ctime_buffer, PL_reentrant_buffer->_ctime_size, char);
#endif /* HAS_CTIME_R */
#ifdef HAS_DRAND48_R
#endif /* HAS_DRAND48_R */
#ifdef HAS_GETGRNAM_R
#   ifdef USE_GRENT_FPTR
	PL_reentrant_buffer->_grent_fptr = NULL;
#   endif
	New(31338, PL_reentrant_buffer->_grent_buffer, PL_reentrant_buffer->_grent_size, char);
#endif /* HAS_GETGRNAM_R */
#ifdef HAS_GETHOSTBYNAME_R
#if   !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
	New(31338, PL_reentrant_buffer->_hostent_buffer, PL_reentrant_buffer->_hostent_size, char);
#endif
#endif /* HAS_GETHOSTBYNAME_R */
#ifdef HAS_GETLOGIN_R
	New(31338, PL_reentrant_buffer->_getlogin_buffer, PL_reentrant_buffer->_getlogin_size, char);
#endif /* HAS_GETLOGIN_R */
#ifdef HAS_GETNETBYNAME_R
#if   !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
	New(31338, PL_reentrant_buffer->_netent_buffer, PL_reentrant_buffer->_netent_size, char);
#endif
#endif /* HAS_GETNETBYNAME_R */
#ifdef HAS_GETPROTOBYNAME_R
#if   !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
	New(31338, PL_reentrant_buffer->_protoent_buffer, PL_reentrant_buffer->_protoent_size, char);
#endif
#endif /* HAS_GETPROTOBYNAME_R */
#ifdef HAS_GETPWNAM_R
#   ifdef USE_PWENT_FPTR
	PL_reentrant_buffer->_pwent_fptr = NULL;
#   endif
	New(31338, PL_reentrant_buffer->_pwent_buffer, PL_reentrant_buffer->_pwent_size, char);
#endif /* HAS_GETPWNAM_R */
#ifdef HAS_GETSERVBYNAME_R
#if   !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD)
	New(31338, PL_reentrant_buffer->_servent_buffer, PL_reentrant_buffer->_servent_size, char);
#endif
#endif /* HAS_GETSERVBYNAME_R */
#ifdef HAS_GETSPNAM_R
#   ifdef USE_SPENT_FPTR
	PL_reentrant_buffer->_spent_fptr = NULL;
#   endif
	New(31338, PL_reentrant_buffer->_spent_buffer, PL_reentrant_buffer->_spent_size, char);
#endif /* HAS_GETSPNAM_R */
#ifdef HAS_GMTIME_R
#endif /* HAS_GMTIME_R */
#ifdef HAS_LOCALTIME_R
#endif /* HAS_LOCALTIME_R */
#ifdef HAS_RANDOM_R
#endif /* HAS_RANDOM_R */
#ifdef HAS_READDIR_R
	PL_reentrant_buffer->_readdir_struct = (struct dirent*)safemalloc(PL_reentrant_buffer->_readdir_size);
#endif /* HAS_READDIR_R */
#ifdef HAS_READDIR64_R
	PL_reentrant_buffer->_readdir64_struct = (struct dirent64*)safemalloc(PL_reentrant_buffer->_readdir64_size);
#endif /* HAS_READDIR64_R */
#ifdef HAS_SETLOCALE_R
	New(31338, PL_reentrant_buffer->_setlocale_buffer, PL_reentrant_buffer->_setlocale_size, char);
#endif /* HAS_SETLOCALE_R */
#ifdef HAS_STRERROR_R
	New(31338, PL_reentrant_buffer->_strerror_buffer, PL_reentrant_buffer->_strerror_size, char);
#endif /* HAS_STRERROR_R */
#ifdef HAS_TTYNAME_R
	New(31338, PL_reentrant_buffer->_ttyname_buffer, PL_reentrant_buffer->_ttyname_size, char);
#endif /* HAS_TTYNAME_R */

#endif /* USE_REENTRANT_API */
}

void
Perl_reentrant_free(pTHX) {
#ifdef USE_REENTRANT_API
#ifdef HAS_ASCTIME_R
	Safefree(PL_reentrant_buffer->_asctime_buffer);
#endif /* HAS_ASCTIME_R */
#ifdef HAS_CRYPT_R
#endif /* HAS_CRYPT_R */
#ifdef HAS_CTIME_R
	Safefree(PL_reentrant_buffer->_ctime_buffer);
#endif /* HAS_CTIME_R */
#ifdef HAS_DRAND48_R
#endif /* HAS_DRAND48_R */
#ifdef HAS_GETGRNAM_R
	Safefree(PL_reentrant_buffer->_grent_buffer);
#endif /* HAS_GETGRNAM_R */
#ifdef HAS_GETHOSTBYNAME_R
#if   !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
	Safefree(PL_reentrant_buffer->_hostent_buffer);
#endif
#endif /* HAS_GETHOSTBYNAME_R */
#ifdef HAS_GETLOGIN_R
	Safefree(PL_reentrant_buffer->_getlogin_buffer);
#endif /* HAS_GETLOGIN_R */
#ifdef HAS_GETNETBYNAME_R
#if   !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
	Safefree(PL_reentrant_buffer->_netent_buffer);
#endif
#endif /* HAS_GETNETBYNAME_R */
#ifdef HAS_GETPROTOBYNAME_R
#if   !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
	Safefree(PL_reentrant_buffer->_protoent_buffer);
#endif
#endif /* HAS_GETPROTOBYNAME_R */
#ifdef HAS_GETPWNAM_R
	Safefree(PL_reentrant_buffer->_pwent_buffer);
#endif /* HAS_GETPWNAM_R */
#ifdef HAS_GETSERVBYNAME_R
#if   !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD)
	Safefree(PL_reentrant_buffer->_servent_buffer);
#endif
#endif /* HAS_GETSERVBYNAME_R */
#ifdef HAS_GETSPNAM_R
	Safefree(PL_reentrant_buffer->_spent_buffer);
#endif /* HAS_GETSPNAM_R */
#ifdef HAS_GMTIME_R
#endif /* HAS_GMTIME_R */
#ifdef HAS_LOCALTIME_R
#endif /* HAS_LOCALTIME_R */
#ifdef HAS_RANDOM_R
#endif /* HAS_RANDOM_R */
#ifdef HAS_READDIR_R
	Safefree(PL_reentrant_buffer->_readdir_struct);
#endif /* HAS_READDIR_R */
#ifdef HAS_READDIR64_R
	Safefree(PL_reentrant_buffer->_readdir64_struct);
#endif /* HAS_READDIR64_R */
#ifdef HAS_SETLOCALE_R
	Safefree(PL_reentrant_buffer->_setlocale_buffer);
#endif /* HAS_SETLOCALE_R */
#ifdef HAS_STRERROR_R
	Safefree(PL_reentrant_buffer->_strerror_buffer);
#endif /* HAS_STRERROR_R */
#ifdef HAS_TTYNAME_R
	Safefree(PL_reentrant_buffer->_ttyname_buffer);
#endif /* HAS_TTYNAME_R */

	Safefree(PL_reentrant_buffer);
#endif /* USE_REENTRANT_API */
}

void*
Perl_reentrant_retry(const char *f, ...)
{
    dTHX;
    void *retptr = NULL;
#ifdef USE_REENTRANT_API
#  if defined(USE_HOSTENT_BUFFER) || defined(USE_GRENT_BUFFER) || defined(USE_NETENT_BUFFER) || defined(USE_PWENT_BUFFER) || defined(USE_PROTOENT_BUFFER) || defined(USE_SRVENT_BUFFER)
    void *p0;
#  endif
#  if defined(USE_SERVENT_BUFFER)
    void *p1;
#  endif
#  if defined(USE_HOSTENT_BUFFER)
    size_t asize;
#  endif
#  if defined(USE_HOSTENT_BUFFER) || defined(USE_NETENT_BUFFER) || defined(USE_PROTOENT_BUFFER) || defined(USE_SERVENT_BUFFER)
    int anint;
#  endif
    va_list ap;

    va_start(ap, f);

    switch (PL_op->op_type) {
#ifdef USE_HOSTENT_BUFFER
    case OP_GHBYADDR:
    case OP_GHBYNAME:
    case OP_GHOSTENT:
	{
#ifdef PERL_REENTRANT_MAXSIZE
	    if (PL_reentrant_buffer->_hostent_size <=
		PERL_REENTRANT_MAXSIZE / 2)
#endif
	    {
		PL_reentrant_buffer->_hostent_size *= 2;
		Renew(PL_reentrant_buffer->_hostent_buffer,
		      PL_reentrant_buffer->_hostent_size, char);
		switch (PL_op->op_type) {
	        case OP_GHBYADDR:
		    p0    = va_arg(ap, void *);
		    asize = va_arg(ap, size_t);
		    anint  = va_arg(ap, int);
		    retptr = gethostbyaddr(p0, asize, anint); break;
	        case OP_GHBYNAME:
		    p0 = va_arg(ap, void *);
		    retptr = gethostbyname(p0); break;
	        case OP_GHOSTENT:
		    retptr = gethostent(); break;
	        default:
		    break;
	        }
	    }
	    SETERRNO(ERANGE, LIB_INVARG);
	}
	break;
#endif
#ifdef USE_GRENT_BUFFER
    case OP_GGRNAM:
    case OP_GGRGID:
    case OP_GGRENT:
	{
#ifdef PERL_REENTRANT_MAXSIZE
	    if (PL_reentrant_buffer->_grent_size <=
		PERL_REENTRANT_MAXSIZE / 2)
#endif
	    {
		Gid_t gid;
		PL_reentrant_buffer->_grent_size *= 2;
		Renew(PL_reentrant_buffer->_grent_buffer,
		      PL_reentrant_buffer->_grent_size, char);
		switch (PL_op->op_type) {
	        case OP_GGRNAM:
		    p0 = va_arg(ap, void *);
		    retptr = getgrnam(p0); break;
	        case OP_GGRGID:
		    gid = va_arg(ap, Gid_t);
		    retptr = getgrgid(gid); break;
	        case OP_GGRENT:
		    retptr = getgrent(); break;
	        default:
		    break;
	        }
	    }
	    SETERRNO(ERANGE, LIB_INVARG);
	}
	break;
#endif
#ifdef USE_NETENT_BUFFER
    case OP_GNBYADDR:
    case OP_GNBYNAME:
    case OP_GNETENT:
	{
#ifdef PERL_REENTRANT_MAXSIZE
	    if (PL_reentrant_buffer->_netent_size <=
		PERL_REENTRANT_MAXSIZE / 2)
#endif
	    {
		Netdb_net_t net;
		PL_reentrant_buffer->_netent_size *= 2;
		Renew(PL_reentrant_buffer->_netent_buffer,
		      PL_reentrant_buffer->_netent_size, char);
		switch (PL_op->op_type) {
	        case OP_GNBYADDR:
		    net = va_arg(ap, Netdb_net_t);
		    anint = va_arg(ap, int);
		    retptr = getnetbyaddr(net, anint); break;
	        case OP_GNBYNAME:
		    p0 = va_arg(ap, void *);
		    retptr = getnetbyname(p0); break;
	        case OP_GNETENT:
		    retptr = getnetent(); break;
	        default:
		    break;
	        }
	    }
	    SETERRNO(ERANGE, LIB_INVARG);
	}
	break;
#endif
#ifdef USE_PWENT_BUFFER
    case OP_GPWNAM:
    case OP_GPWUID:
    case OP_GPWENT:
	{
#ifdef PERL_REENTRANT_MAXSIZE
	    if (PL_reentrant_buffer->_pwent_size <=
		PERL_REENTRANT_MAXSIZE / 2)
#endif
	    {
		Uid_t uid;
		PL_reentrant_buffer->_pwent_size *= 2;
		Renew(PL_reentrant_buffer->_pwent_buffer,
		      PL_reentrant_buffer->_pwent_size, char);
		switch (PL_op->op_type) {
	        case OP_GPWNAM:
		    p0 = va_arg(ap, void *);
		    retptr = getpwnam(p0); break;
	        case OP_GPWUID:
		    uid = va_arg(ap, Uid_t);
		    retptr = getpwuid(uid); break;
	        case OP_GPWENT:
		    retptr = getpwent(); break;
	        default:
		    break;
	        }
	    }
	}
	break;
#endif
#ifdef USE_PROTOENT_BUFFER
    case OP_GPBYNAME:
    case OP_GPBYNUMBER:
    case OP_GPROTOENT:
	{
#ifdef PERL_REENTRANT_MAXSIZE
	    if (PL_reentrant_buffer->_protoent_size <=
		PERL_REENTRANT_MAXSIZE / 2)
#endif
	    {
		PL_reentrant_buffer->_protoent_size *= 2;
		Renew(PL_reentrant_buffer->_protoent_buffer,
		      PL_reentrant_buffer->_protoent_size, char);
		switch (PL_op->op_type) {
	        case OP_GPBYNAME:
		    p0 = va_arg(ap, void *);
		    retptr = getprotobyname(p0); break;
	        case OP_GPBYNUMBER:
		    anint = va_arg(ap, int);
		    retptr = getprotobynumber(anint); break;
	        case OP_GPROTOENT:
		    retptr = getprotoent(); break;
	        default:
		    break;
	        }
	    }
	    SETERRNO(ERANGE, LIB_INVARG);
	}
	break;
#endif
#ifdef USE_SERVENT_BUFFER
    case OP_GSBYNAME:
    case OP_GSBYPORT:
    case OP_GSERVENT:
	{
#ifdef PERL_REENTRANT_MAXSIZE
	    if (PL_reentrant_buffer->_servent_size <=
		PERL_REENTRANT_MAXSIZE / 2)
#endif
	    {
		PL_reentrant_buffer->_servent_size *= 2;
		Renew(PL_reentrant_buffer->_servent_buffer,
		      PL_reentrant_buffer->_servent_size, char);
		switch (PL_op->op_type) {
	        case OP_GSBYNAME:
		    p0 = va_arg(ap, void *);
		    p1 = va_arg(ap, void *);
		    retptr = getservbyname(p0, p1); break;
	        case OP_GSBYPORT:
		    anint = va_arg(ap, int);
		    p0 = va_arg(ap, void *);
		    retptr = getservbyport(anint, p0); break;
	        case OP_GSERVENT:
		    retptr = getservent(); break;
	        default:
		    break;
	        }
	    }
	    SETERRNO(ERANGE, LIB_INVARG);
	}
	break;
#endif
    default:
	/* Not known how to retry, so just fail. */
	break;
    }

    va_end(ap);
#endif
    return retptr;
}
Commit	Line	Data
10bc17b6 JH	1	/*
	2	* reentr.c
	3	*
	4	* Copyright (c) 1997-2002, Larry Wall
	5	*
	6	* You may distribute under the terms of either the GNU General Public
	7	* License or the Artistic License, as specified in the README file.
	8	*
	9	* !!!!!!! DO NOT EDIT THIS FILE !!!!!!!
	10	* This file is built by reentrl.pl from data in reentr.pl.
	11	*
	12	* "Saruman," I said, standing away from him, "only one hand at a time can
	13	* wield the One, and you know that well, so do not trouble to say we!"
	14	*
	15	*/
	16
	17	#include "EXTERN.h"
	18	#define PERL_IN_REENTR_C
	19	#include "perl.h"
	20	#include "reentr.h"
	21
	22	void
	23	Perl_reentrant_size(pTHX) {
	24	#ifdef USE_REENTRANT_API
8695fa85 SR	25	#define REENTRANTSMALLSIZE 256 /* Make something up. */
8695fa85 SR	26	#define REENTRANTUSUALSIZE 4096 /* Make something up. */
10bc17b6	27	#ifdef HAS_ASCTIME_R
8695fa85	28	PL_reentrant_buffer->_asctime_size = REENTRANTSMALLSIZE;
10bc17b6 JH	29	#endif /* HAS_ASCTIME_R */
	30	#ifdef HAS_CRYPT_R
	31	#endif /* HAS_CRYPT_R */
	32	#ifdef HAS_CTIME_R
8695fa85	33	PL_reentrant_buffer->_ctime_size = REENTRANTSMALLSIZE;
10bc17b6 JH	34	#endif /* HAS_CTIME_R */
	35	#ifdef HAS_DRAND48_R
	36	#endif /* HAS_DRAND48_R */
	37	#ifdef HAS_GETGRNAM_R
f7937171 JH	38	# if defined(HAS_SYSCONF) && defined(_SC_GETPW_R_SIZE_MAX) && !defined(__GLIBC__)
	39	PL_reentrant_buffer->_grent_size = sysconf(_SC_GETPW_R_SIZE_MAX);
	40	if (PL_reentrant_buffer->_pwent_size == -1)
	41	PL_reentrant_buffer->_pwent_size = REENTRANTUSUALSIZE;
10bc17b6 JH	42	# else
10bc17b6 JH	43	# if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
f7937171	44	PL_reentrant_buffer->_grent_size = SIABUFSIZ;
10bc17b6 JH	45	# else
10bc17b6 JH	46	# ifdef __sgi
f7937171	47	PL_reentrant_buffer->_grent_size = BUFSIZ;
10bc17b6	48	# else
f7937171	49	PL_reentrant_buffer->_grent_size = REENTRANTUSUALSIZE;
10bc17b6 JH	50	# endif
	51	# endif
	52	# endif
	53	#endif /* HAS_GETGRNAM_R */
	54	#ifdef HAS_GETHOSTBYNAME_R
	55	#if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	56	PL_reentrant_buffer->_hostent_size = REENTRANTUSUALSIZE;
10bc17b6 JH	57	#endif
	58	#endif /* HAS_GETHOSTBYNAME_R */
	59	#ifdef HAS_GETLOGIN_R
8695fa85	60	PL_reentrant_buffer->_getlogin_size = REENTRANTSMALLSIZE;
10bc17b6 JH	61	#endif /* HAS_GETLOGIN_R */
	62	#ifdef HAS_GETNETBYNAME_R
	63	#if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	64	PL_reentrant_buffer->_netent_size = REENTRANTUSUALSIZE;
10bc17b6 JH	65	#endif
	66	#endif /* HAS_GETNETBYNAME_R */
	67	#ifdef HAS_GETPROTOBYNAME_R
	68	#if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	69	PL_reentrant_buffer->_protoent_size = REENTRANTUSUALSIZE;
10bc17b6 JH	70	#endif
	71	#endif /* HAS_GETPROTOBYNAME_R */
	72	#ifdef HAS_GETPWNAM_R
	73	# if defined(HAS_SYSCONF) && defined(_SC_GETPW_R_SIZE_MAX) && !defined(__GLIBC__)
f7937171 JH	74	PL_reentrant_buffer->_pwent_size = sysconf(_SC_GETPW_R_SIZE_MAX);
	75	if (PL_reentrant_buffer->_pwent_size == -1)
	76	PL_reentrant_buffer->_pwent_size = REENTRANTUSUALSIZE;
10bc17b6 JH	77	# else
10bc17b6 JH	78	# if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
f7937171	79	PL_reentrant_buffer->_pwent_size = SIABUFSIZ;
10bc17b6 JH	80	# else
10bc17b6 JH	81	# ifdef __sgi
f7937171	82	PL_reentrant_buffer->_pwent_size = BUFSIZ;
10bc17b6	83	# else
f7937171	84	PL_reentrant_buffer->_pwent_size = REENTRANTUSUALSIZE;
10bc17b6 JH	85	# endif
	86	# endif
	87	# endif
	88	#endif /* HAS_GETPWNAM_R */
	89	#ifdef HAS_GETSERVBYNAME_R
	90	#if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD)
f7937171	91	PL_reentrant_buffer->_servent_size = REENTRANTUSUALSIZE;
10bc17b6 JH	92	#endif
	93	#endif /* HAS_GETSERVBYNAME_R */
	94	#ifdef HAS_GETSPNAM_R
f7937171 JH	95	# if defined(HAS_SYSCONF) && defined(_SC_GETPW_R_SIZE_MAX) && !defined(__GLIBC__)
	96	PL_reentrant_buffer->_spent_size = sysconf(_SC_GETPW_R_SIZE_MAX);
	97	if (PL_reentrant_buffer->_pwent_size == -1)
	98	PL_reentrant_buffer->_pwent_size = REENTRANTUSUALSIZE;
	99	# else
	100	# if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
	101	PL_reentrant_buffer->_spent_size = SIABUFSIZ;
	102	# else
	103	# ifdef __sgi
	104	PL_reentrant_buffer->_spent_size = BUFSIZ;
	105	# else
	106	PL_reentrant_buffer->_spent_size = REENTRANTUSUALSIZE;
	107	# endif
	108	# endif
	109	# endif
10bc17b6 JH	110	#endif /* HAS_GETSPNAM_R */
	111	#ifdef HAS_GMTIME_R
	112	#endif /* HAS_GMTIME_R */
	113	#ifdef HAS_LOCALTIME_R
	114	#endif /* HAS_LOCALTIME_R */
	115	#ifdef HAS_RANDOM_R
	116	#endif /* HAS_RANDOM_R */
	117	#ifdef HAS_READDIR_R
	118	/* This is the size Solaris recommends.
	119	* (though we go static, should use pathconf() instead) */
	120	PL_reentrant_buffer->_readdir_size = sizeof(struct dirent) + MAXPATHLEN + 1;
	121	#endif /* HAS_READDIR_R */
	122	#ifdef HAS_READDIR64_R
	123	/* This is the size Solaris recommends.
	124	* (though we go static, should use pathconf() instead) */
	125	PL_reentrant_buffer->_readdir64_size = sizeof(struct dirent64) + MAXPATHLEN + 1;
	126	#endif /* HAS_READDIR64_R */
	127	#ifdef HAS_SETLOCALE_R
8695fa85	128	PL_reentrant_buffer->_setlocale_size = REENTRANTSMALLSIZE;
10bc17b6 JH	129	#endif /* HAS_SETLOCALE_R */
10bc17b6 JH	130	#ifdef HAS_STRERROR_R
8695fa85	131	PL_reentrant_buffer->_strerror_size = REENTRANTSMALLSIZE;
10bc17b6 JH	132	#endif /* HAS_STRERROR_R */
10bc17b6 JH	133	#ifdef HAS_TTYNAME_R
8695fa85	134	PL_reentrant_buffer->_ttyname_size = REENTRANTSMALLSIZE;
10bc17b6 JH	135	#endif /* HAS_TTYNAME_R */
	136
	137	#endif /* USE_REENTRANT_API */
	138	}
	139
	140	void
	141	Perl_reentrant_init(pTHX) {
	142	#ifdef USE_REENTRANT_API
	143	New(31337, PL_reentrant_buffer, 1, REENTR);
	144	Perl_reentrant_size(aTHX);
	145	#ifdef HAS_ASCTIME_R
	146	New(31338, PL_reentrant_buffer->_asctime_buffer, PL_reentrant_buffer->_asctime_size, char);
	147	#endif /* HAS_ASCTIME_R */
	148	#ifdef HAS_CRYPT_R
	149	#ifdef __GLIBC__
	150	PL_reentrant_buffer->_crypt_struct.initialized = 0;
d5abad05 MS	151	/* work around glibc-2.2.5 bug */
d5abad05 MS	152	PL_reentrant_buffer->_crypt_struct.current_saltbits = 0;
10bc17b6 JH	153	#endif
	154	#endif /* HAS_CRYPT_R */
	155	#ifdef HAS_CTIME_R
	156	New(31338, PL_reentrant_buffer->_ctime_buffer, PL_reentrant_buffer->_ctime_size, char);
	157	#endif /* HAS_CTIME_R */
	158	#ifdef HAS_DRAND48_R
	159	#endif /* HAS_DRAND48_R */
	160	#ifdef HAS_GETGRNAM_R
f7937171 JH	161	# ifdef USE_GRENT_FPTR
f7937171 JH	162	PL_reentrant_buffer->_grent_fptr = NULL;
10bc17b6	163	# endif
f7937171	164	New(31338, PL_reentrant_buffer->_grent_buffer, PL_reentrant_buffer->_grent_size, char);
10bc17b6 JH	165	#endif /* HAS_GETGRNAM_R */
	166	#ifdef HAS_GETHOSTBYNAME_R
	167	#if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	168	New(31338, PL_reentrant_buffer->_hostent_buffer, PL_reentrant_buffer->_hostent_size, char);
10bc17b6 JH	169	#endif
	170	#endif /* HAS_GETHOSTBYNAME_R */
	171	#ifdef HAS_GETLOGIN_R
	172	New(31338, PL_reentrant_buffer->_getlogin_buffer, PL_reentrant_buffer->_getlogin_size, char);
	173	#endif /* HAS_GETLOGIN_R */
	174	#ifdef HAS_GETNETBYNAME_R
	175	#if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	176	New(31338, PL_reentrant_buffer->_netent_buffer, PL_reentrant_buffer->_netent_size, char);
10bc17b6 JH	177	#endif
	178	#endif /* HAS_GETNETBYNAME_R */
	179	#ifdef HAS_GETPROTOBYNAME_R
	180	#if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	181	New(31338, PL_reentrant_buffer->_protoent_buffer, PL_reentrant_buffer->_protoent_size, char);
10bc17b6 JH	182	#endif
	183	#endif /* HAS_GETPROTOBYNAME_R */
	184	#ifdef HAS_GETPWNAM_R
f7937171 JH	185	# ifdef USE_PWENT_FPTR
f7937171 JH	186	PL_reentrant_buffer->_pwent_fptr = NULL;
10bc17b6	187	# endif
f7937171	188	New(31338, PL_reentrant_buffer->_pwent_buffer, PL_reentrant_buffer->_pwent_size, char);
10bc17b6 JH	189	#endif /* HAS_GETPWNAM_R */
	190	#ifdef HAS_GETSERVBYNAME_R
	191	#if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD)
f7937171	192	New(31338, PL_reentrant_buffer->_servent_buffer, PL_reentrant_buffer->_servent_size, char);
10bc17b6 JH	193	#endif
	194	#endif /* HAS_GETSERVBYNAME_R */
	195	#ifdef HAS_GETSPNAM_R
f7937171 JH	196	# ifdef USE_SPENT_FPTR
	197	PL_reentrant_buffer->_spent_fptr = NULL;
	198	# endif
	199	New(31338, PL_reentrant_buffer->_spent_buffer, PL_reentrant_buffer->_spent_size, char);
10bc17b6 JH	200	#endif /* HAS_GETSPNAM_R */
	201	#ifdef HAS_GMTIME_R
	202	#endif /* HAS_GMTIME_R */
	203	#ifdef HAS_LOCALTIME_R
	204	#endif /* HAS_LOCALTIME_R */
	205	#ifdef HAS_RANDOM_R
	206	#endif /* HAS_RANDOM_R */
	207	#ifdef HAS_READDIR_R
	208	PL_reentrant_buffer->_readdir_struct = (struct dirent*)safemalloc(PL_reentrant_buffer->_readdir_size);
	209	#endif /* HAS_READDIR_R */
	210	#ifdef HAS_READDIR64_R
	211	PL_reentrant_buffer->_readdir64_struct = (struct dirent64*)safemalloc(PL_reentrant_buffer->_readdir64_size);
	212	#endif /* HAS_READDIR64_R */
	213	#ifdef HAS_SETLOCALE_R
	214	New(31338, PL_reentrant_buffer->_setlocale_buffer, PL_reentrant_buffer->_setlocale_size, char);
	215	#endif /* HAS_SETLOCALE_R */
	216	#ifdef HAS_STRERROR_R
	217	New(31338, PL_reentrant_buffer->_strerror_buffer, PL_reentrant_buffer->_strerror_size, char);
	218	#endif /* HAS_STRERROR_R */
	219	#ifdef HAS_TTYNAME_R
	220	New(31338, PL_reentrant_buffer->_ttyname_buffer, PL_reentrant_buffer->_ttyname_size, char);
	221	#endif /* HAS_TTYNAME_R */
	222
	223	#endif /* USE_REENTRANT_API */
	224	}
	225
	226	void
	227	Perl_reentrant_free(pTHX) {
	228	#ifdef USE_REENTRANT_API
	229	#ifdef HAS_ASCTIME_R
	230	Safefree(PL_reentrant_buffer->_asctime_buffer);
	231	#endif /* HAS_ASCTIME_R */
	232	#ifdef HAS_CRYPT_R
	233	#endif /* HAS_CRYPT_R */
	234	#ifdef HAS_CTIME_R
	235	Safefree(PL_reentrant_buffer->_ctime_buffer);
	236	#endif /* HAS_CTIME_R */
	237	#ifdef HAS_DRAND48_R
	238	#endif /* HAS_DRAND48_R */
	239	#ifdef HAS_GETGRNAM_R
f7937171	240	Safefree(PL_reentrant_buffer->_grent_buffer);
10bc17b6 JH	241	#endif /* HAS_GETGRNAM_R */
	242	#ifdef HAS_GETHOSTBYNAME_R
	243	#if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	244	Safefree(PL_reentrant_buffer->_hostent_buffer);
10bc17b6 JH	245	#endif
	246	#endif /* HAS_GETHOSTBYNAME_R */
	247	#ifdef HAS_GETLOGIN_R
	248	Safefree(PL_reentrant_buffer->_getlogin_buffer);
	249	#endif /* HAS_GETLOGIN_R */
	250	#ifdef HAS_GETNETBYNAME_R
	251	#if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	252	Safefree(PL_reentrant_buffer->_netent_buffer);
10bc17b6 JH	253	#endif
	254	#endif /* HAS_GETNETBYNAME_R */
	255	#ifdef HAS_GETPROTOBYNAME_R
	256	#if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	257	Safefree(PL_reentrant_buffer->_protoent_buffer);
10bc17b6 JH	258	#endif
	259	#endif /* HAS_GETPROTOBYNAME_R */
	260	#ifdef HAS_GETPWNAM_R
f7937171	261	Safefree(PL_reentrant_buffer->_pwent_buffer);
10bc17b6 JH	262	#endif /* HAS_GETPWNAM_R */
	263	#ifdef HAS_GETSERVBYNAME_R
	264	#if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD)
f7937171	265	Safefree(PL_reentrant_buffer->_servent_buffer);
10bc17b6 JH	266	#endif
	267	#endif /* HAS_GETSERVBYNAME_R */
	268	#ifdef HAS_GETSPNAM_R
f7937171	269	Safefree(PL_reentrant_buffer->_spent_buffer);
10bc17b6 JH	270	#endif /* HAS_GETSPNAM_R */
	271	#ifdef HAS_GMTIME_R
	272	#endif /* HAS_GMTIME_R */
	273	#ifdef HAS_LOCALTIME_R
	274	#endif /* HAS_LOCALTIME_R */
	275	#ifdef HAS_RANDOM_R
	276	#endif /* HAS_RANDOM_R */
	277	#ifdef HAS_READDIR_R
	278	Safefree(PL_reentrant_buffer->_readdir_struct);
	279	#endif /* HAS_READDIR_R */
	280	#ifdef HAS_READDIR64_R
	281	Safefree(PL_reentrant_buffer->_readdir64_struct);
	282	#endif /* HAS_READDIR64_R */
	283	#ifdef HAS_SETLOCALE_R
	284	Safefree(PL_reentrant_buffer->_setlocale_buffer);
	285	#endif /* HAS_SETLOCALE_R */
	286	#ifdef HAS_STRERROR_R
	287	Safefree(PL_reentrant_buffer->_strerror_buffer);
	288	#endif /* HAS_STRERROR_R */
	289	#ifdef HAS_TTYNAME_R
	290	Safefree(PL_reentrant_buffer->_ttyname_buffer);
	291	#endif /* HAS_TTYNAME_R */
	292
	293	Safefree(PL_reentrant_buffer);
	294	#endif /* USE_REENTRANT_API */
	295	}
	296
edd309b7 JH	297	void*
	298	Perl_reentrant_retry(const char *f, ...)
	299	{
	300	dTHX;
	301	void *retptr = NULL;
	302	#ifdef USE_REENTRANT_API
f7937171	303	# if defined(USE_HOSTENT_BUFFER) \|\| defined(USE_GRENT_BUFFER) \|\| defined(USE_NETENT_BUFFER) \|\| defined(USE_PWENT_BUFFER) \|\| defined(USE_PROTOENT_BUFFER) \|\| defined(USE_SRVENT_BUFFER)
e3410746 SR	304	void *p0;
e3410746 SR	305	# endif
f7937171	306	# if defined(USE_SERVENT_BUFFER)
e3410746 SR	307	void *p1;
e3410746 SR	308	# endif
f7937171	309	# if defined(USE_HOSTENT_BUFFER)
edd309b7	310	size_t asize;
e3410746	311	# endif
f7937171	312	# if defined(USE_HOSTENT_BUFFER) \|\| defined(USE_NETENT_BUFFER) \|\| defined(USE_PROTOENT_BUFFER) \|\| defined(USE_SERVENT_BUFFER)
edd309b7	313	int anint;
e3410746	314	# endif
edd309b7 JH	315	va_list ap;
	316
	317	va_start(ap, f);
	318
edd309b7	319	switch (PL_op->op_type) {
f7937171	320	#ifdef USE_HOSTENT_BUFFER
edd309b7 JH	321	case OP_GHBYADDR:
	322	case OP_GHBYNAME:
	323	case OP_GHOSTENT:
	324	{
af685957 JH	325	#ifdef PERL_REENTRANT_MAXSIZE
	326	if (PL_reentrant_buffer->_hostent_size <=
	327	PERL_REENTRANT_MAXSIZE / 2)
	328	#endif
	329	{
f7937171 JH	330	PL_reentrant_buffer->_hostent_size *= 2;
	331	Renew(PL_reentrant_buffer->_hostent_buffer,
	332	PL_reentrant_buffer->_hostent_size, char);
edd309b7 JH	333	switch (PL_op->op_type) {
	334	case OP_GHBYADDR:
	335	p0 = va_arg(ap, void *);
	336	asize = va_arg(ap, size_t);
	337	anint = va_arg(ap, int);
	338	retptr = gethostbyaddr(p0, asize, anint); break;
	339	case OP_GHBYNAME:
	340	p0 = va_arg(ap, void *);
	341	retptr = gethostbyname(p0); break;
	342	case OP_GHOSTENT:
	343	retptr = gethostent(); break;
	344	default:
	345	break;
	346	}
	347	}
b5379b0d	348	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	349	}
	350	break;
	351	#endif
f7937171	352	#ifdef USE_GRENT_BUFFER
edd309b7 JH	353	case OP_GGRNAM:
	354	case OP_GGRGID:
	355	case OP_GGRENT:
	356	{
af685957 JH	357	#ifdef PERL_REENTRANT_MAXSIZE
	358	if (PL_reentrant_buffer->_grent_size <=
	359	PERL_REENTRANT_MAXSIZE / 2)
	360	#endif
	361	{
edd309b7	362	Gid_t gid;
f7937171 JH	363	PL_reentrant_buffer->_grent_size *= 2;
	364	Renew(PL_reentrant_buffer->_grent_buffer,
	365	PL_reentrant_buffer->_grent_size, char);
edd309b7 JH	366	switch (PL_op->op_type) {
	367	case OP_GGRNAM:
	368	p0 = va_arg(ap, void *);
	369	retptr = getgrnam(p0); break;
	370	case OP_GGRGID:
	371	gid = va_arg(ap, Gid_t);
	372	retptr = getgrgid(gid); break;
	373	case OP_GGRENT:
	374	retptr = getgrent(); break;
	375	default:
	376	break;
	377	}
	378	}
b5379b0d	379	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	380	}
	381	break;
	382	#endif
f7937171	383	#ifdef USE_NETENT_BUFFER
edd309b7 JH	384	case OP_GNBYADDR:
	385	case OP_GNBYNAME:
	386	case OP_GNETENT:
	387	{
af685957 JH	388	#ifdef PERL_REENTRANT_MAXSIZE
	389	if (PL_reentrant_buffer->_netent_size <=
	390	PERL_REENTRANT_MAXSIZE / 2)
	391	#endif
	392	{
edd309b7	393	Netdb_net_t net;
f7937171 JH	394	PL_reentrant_buffer->_netent_size *= 2;
	395	Renew(PL_reentrant_buffer->_netent_buffer,
	396	PL_reentrant_buffer->_netent_size, char);
edd309b7 JH	397	switch (PL_op->op_type) {
	398	case OP_GNBYADDR:
	399	net = va_arg(ap, Netdb_net_t);
	400	anint = va_arg(ap, int);
	401	retptr = getnetbyaddr(net, anint); break;
	402	case OP_GNBYNAME:
	403	p0 = va_arg(ap, void *);
	404	retptr = getnetbyname(p0); break;
	405	case OP_GNETENT:
	406	retptr = getnetent(); break;
	407	default:
	408	break;
	409	}
	410	}
b5379b0d	411	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	412	}
	413	break;
	414	#endif
f7937171	415	#ifdef USE_PWENT_BUFFER
edd309b7 JH	416	case OP_GPWNAM:
	417	case OP_GPWUID:
	418	case OP_GPWENT:
	419	{
af685957 JH	420	#ifdef PERL_REENTRANT_MAXSIZE
	421	if (PL_reentrant_buffer->_pwent_size <=
	422	PERL_REENTRANT_MAXSIZE / 2)
	423	#endif
	424	{
edd309b7	425	Uid_t uid;
f7937171 JH	426	PL_reentrant_buffer->_pwent_size *= 2;
	427	Renew(PL_reentrant_buffer->_pwent_buffer,
	428	PL_reentrant_buffer->_pwent_size, char);
edd309b7 JH	429	switch (PL_op->op_type) {
	430	case OP_GPWNAM:
	431	p0 = va_arg(ap, void *);
	432	retptr = getpwnam(p0); break;
	433	case OP_GPWUID:
	434	uid = va_arg(ap, Uid_t);
	435	retptr = getpwuid(uid); break;
	436	case OP_GPWENT:
	437	retptr = getpwent(); break;
	438	default:
	439	break;
	440	}
	441	}
	442	}
	443	break;
	444	#endif
f7937171	445	#ifdef USE_PROTOENT_BUFFER
edd309b7 JH	446	case OP_GPBYNAME:
	447	case OP_GPBYNUMBER:
	448	case OP_GPROTOENT:
	449	{
af685957 JH	450	#ifdef PERL_REENTRANT_MAXSIZE
	451	if (PL_reentrant_buffer->_protoent_size <=
	452	PERL_REENTRANT_MAXSIZE / 2)
	453	#endif
	454	{
f7937171 JH	455	PL_reentrant_buffer->_protoent_size *= 2;
	456	Renew(PL_reentrant_buffer->_protoent_buffer,
	457	PL_reentrant_buffer->_protoent_size, char);
edd309b7 JH	458	switch (PL_op->op_type) {
	459	case OP_GPBYNAME:
	460	p0 = va_arg(ap, void *);
	461	retptr = getprotobyname(p0); break;
	462	case OP_GPBYNUMBER:
	463	anint = va_arg(ap, int);
	464	retptr = getprotobynumber(anint); break;
	465	case OP_GPROTOENT:
	466	retptr = getprotoent(); break;
	467	default:
	468	break;
	469	}
	470	}
b5379b0d	471	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	472	}
	473	break;
	474	#endif
f7937171	475	#ifdef USE_SERVENT_BUFFER
edd309b7 JH	476	case OP_GSBYNAME:
	477	case OP_GSBYPORT:
	478	case OP_GSERVENT:
	479	{
af685957 JH	480	#ifdef PERL_REENTRANT_MAXSIZE
	481	if (PL_reentrant_buffer->_servent_size <=
	482	PERL_REENTRANT_MAXSIZE / 2)
	483	#endif
	484	{
f7937171 JH	485	PL_reentrant_buffer->_servent_size *= 2;
	486	Renew(PL_reentrant_buffer->_servent_buffer,
	487	PL_reentrant_buffer->_servent_size, char);
edd309b7 JH	488	switch (PL_op->op_type) {
	489	case OP_GSBYNAME:
	490	p0 = va_arg(ap, void *);
	491	p1 = va_arg(ap, void *);
	492	retptr = getservbyname(p0, p1); break;
	493	case OP_GSBYPORT:
	494	anint = va_arg(ap, int);
	495	p0 = va_arg(ap, void *);
	496	retptr = getservbyport(anint, p0); break;
	497	case OP_GSERVENT:
	498	retptr = getservent(); break;
	499	default:
	500	break;
	501	}
	502	}
b5379b0d	503	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	504	}
	505	break;
	506	#endif
	507	default:
	508	/* Not known how to retry, so just fail. */
	509	break;
	510	}
	511
	512	va_end(ap);
	513	#endif
	514	return retptr;
	515	}
	516