[perl5.git] / reentr.c

/*
 *    reentr.c
 *
 *    Copyright (C) 2002, 2003, by Larry Wall and others
 *
 *    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_GETGR_R_SIZE_MAX) && !defined(__GLIBC__)
	PL_reentrant_buffer->_grent_size = sysconf(_SC_GETGR_R_SIZE_MAX);
	if (PL_reentrant_buffer->_grent_size == -1)
		PL_reentrant_buffer->_grent_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->_spent_size == -1)
		PL_reentrant_buffer->_spent_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_SRANDOM_R
#endif /* HAS_SRANDOM_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
#if CRYPT_R_PROTO != REENTRANT_PROTO_B_CCD
	PL_reentrant_buffer->_crypt_struct_buffer = 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_SRANDOM_R
#endif /* HAS_SRANDOM_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
#if CRYPT_R_PROTO != REENTRANT_PROTO_B_CCD
	Safefree(PL_reentrant_buffer->_crypt_struct_buffer);
#endif
#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_SRANDOM_R
#endif /* HAS_SRANDOM_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_SERVENT_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:
		    SETERRNO(ERANGE, LIB_INVARG);
		    break;
	        }
	    }
	}
	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:
#if Gid_t_size < INTSIZE
		    gid = (Gid_t)va_arg(ap, int);
#else
		    gid = va_arg(ap, Gid_t);
#endif
		    retptr = getgrgid(gid); break;
	        case OP_GGRENT:
		    retptr = getgrent(); break;
	        default:
		    SETERRNO(ERANGE, LIB_INVARG);
		    break;
	        }
	    }
	}
	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:
		    SETERRNO(ERANGE, LIB_INVARG);
		    break;
	        }
	    }
	}
	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:
#if Uid_t_size < INTSIZE
		    uid = (Uid_t)va_arg(ap, int);
#else
		    uid = va_arg(ap, Uid_t);
#endif
		    retptr = getpwuid(uid); break;
	        case OP_GPWENT:
		    retptr = getpwent(); break;
	        default:
		    SETERRNO(ERANGE, LIB_INVARG);
		    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:
		    SETERRNO(ERANGE, LIB_INVARG);
		    break;
	        }
	    }
	}
	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:
		    SETERRNO(ERANGE, LIB_INVARG);
		    break;
	        }
	    }
	}
	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	*
4bb101f2	4	* Copyright (C) 2002, 2003, by Larry Wall and others
10bc17b6 JH	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
0de8cad8 RGS	38	# if defined(HAS_SYSCONF) && defined(_SC_GETGR_R_SIZE_MAX) && !defined(__GLIBC__)
	39	PL_reentrant_buffer->_grent_size = sysconf(_SC_GETGR_R_SIZE_MAX);
	40	if (PL_reentrant_buffer->_grent_size == -1)
	41	PL_reentrant_buffer->_grent_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__)
f7937171 JH	96	PL_reentrant_buffer->_spent_size = sysconf(_SC_GETPW_R_SIZE_MAX);
0de8cad8 RGS	97	if (PL_reentrant_buffer->_spent_size == -1)
0de8cad8 RGS	98	PL_reentrant_buffer->_spent_size = REENTRANTUSUALSIZE;
f7937171 JH	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	129	#endif /* HAS_SETLOCALE_R */
5cb13b8d JD	130	#ifdef HAS_SRANDOM_R
5cb13b8d JD	131	#endif /* HAS_SRANDOM_R */
10bc17b6	132	#ifdef HAS_STRERROR_R
8695fa85	133	PL_reentrant_buffer->_strerror_size = REENTRANTSMALLSIZE;
10bc17b6 JH	134	#endif /* HAS_STRERROR_R */
10bc17b6 JH	135	#ifdef HAS_TTYNAME_R
8695fa85	136	PL_reentrant_buffer->_ttyname_size = REENTRANTSMALLSIZE;
10bc17b6 JH	137	#endif /* HAS_TTYNAME_R */
	138
	139	#endif /* USE_REENTRANT_API */
	140	}
	141
	142	void
	143	Perl_reentrant_init(pTHX) {
	144	#ifdef USE_REENTRANT_API
	145	New(31337, PL_reentrant_buffer, 1, REENTR);
	146	Perl_reentrant_size(aTHX);
	147	#ifdef HAS_ASCTIME_R
	148	New(31338, PL_reentrant_buffer->_asctime_buffer, PL_reentrant_buffer->_asctime_size, char);
	149	#endif /* HAS_ASCTIME_R */
	150	#ifdef HAS_CRYPT_R
05404ffe JH	151	#if CRYPT_R_PROTO != REENTRANT_PROTO_B_CCD
05404ffe JH	152	PL_reentrant_buffer->_crypt_struct_buffer = 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 */
5cb13b8d JD	216	#ifdef HAS_SRANDOM_R
5cb13b8d JD	217	#endif /* HAS_SRANDOM_R */
10bc17b6 JH	218	#ifdef HAS_STRERROR_R
	219	New(31338, PL_reentrant_buffer->_strerror_buffer, PL_reentrant_buffer->_strerror_size, char);
	220	#endif /* HAS_STRERROR_R */
	221	#ifdef HAS_TTYNAME_R
	222	New(31338, PL_reentrant_buffer->_ttyname_buffer, PL_reentrant_buffer->_ttyname_size, char);
	223	#endif /* HAS_TTYNAME_R */
	224
	225	#endif /* USE_REENTRANT_API */
	226	}
	227
	228	void
	229	Perl_reentrant_free(pTHX) {
	230	#ifdef USE_REENTRANT_API
	231	#ifdef HAS_ASCTIME_R
	232	Safefree(PL_reentrant_buffer->_asctime_buffer);
	233	#endif /* HAS_ASCTIME_R */
	234	#ifdef HAS_CRYPT_R
05404ffe JH	235	#if CRYPT_R_PROTO != REENTRANT_PROTO_B_CCD
	236	Safefree(PL_reentrant_buffer->_crypt_struct_buffer);
	237	#endif
10bc17b6 JH	238	#endif /* HAS_CRYPT_R */
	239	#ifdef HAS_CTIME_R
	240	Safefree(PL_reentrant_buffer->_ctime_buffer);
	241	#endif /* HAS_CTIME_R */
	242	#ifdef HAS_DRAND48_R
	243	#endif /* HAS_DRAND48_R */
	244	#ifdef HAS_GETGRNAM_R
f7937171	245	Safefree(PL_reentrant_buffer->_grent_buffer);
10bc17b6 JH	246	#endif /* HAS_GETGRNAM_R */
	247	#ifdef HAS_GETHOSTBYNAME_R
	248	#if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	249	Safefree(PL_reentrant_buffer->_hostent_buffer);
10bc17b6 JH	250	#endif
	251	#endif /* HAS_GETHOSTBYNAME_R */
	252	#ifdef HAS_GETLOGIN_R
	253	Safefree(PL_reentrant_buffer->_getlogin_buffer);
	254	#endif /* HAS_GETLOGIN_R */
	255	#ifdef HAS_GETNETBYNAME_R
	256	#if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	257	Safefree(PL_reentrant_buffer->_netent_buffer);
10bc17b6 JH	258	#endif
	259	#endif /* HAS_GETNETBYNAME_R */
	260	#ifdef HAS_GETPROTOBYNAME_R
	261	#if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	262	Safefree(PL_reentrant_buffer->_protoent_buffer);
10bc17b6 JH	263	#endif
	264	#endif /* HAS_GETPROTOBYNAME_R */
	265	#ifdef HAS_GETPWNAM_R
f7937171	266	Safefree(PL_reentrant_buffer->_pwent_buffer);
10bc17b6 JH	267	#endif /* HAS_GETPWNAM_R */
	268	#ifdef HAS_GETSERVBYNAME_R
	269	#if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD)
f7937171	270	Safefree(PL_reentrant_buffer->_servent_buffer);
10bc17b6 JH	271	#endif
	272	#endif /* HAS_GETSERVBYNAME_R */
	273	#ifdef HAS_GETSPNAM_R
f7937171	274	Safefree(PL_reentrant_buffer->_spent_buffer);
10bc17b6 JH	275	#endif /* HAS_GETSPNAM_R */
	276	#ifdef HAS_GMTIME_R
	277	#endif /* HAS_GMTIME_R */
	278	#ifdef HAS_LOCALTIME_R
	279	#endif /* HAS_LOCALTIME_R */
	280	#ifdef HAS_RANDOM_R
	281	#endif /* HAS_RANDOM_R */
	282	#ifdef HAS_READDIR_R
	283	Safefree(PL_reentrant_buffer->_readdir_struct);
	284	#endif /* HAS_READDIR_R */
	285	#ifdef HAS_READDIR64_R
	286	Safefree(PL_reentrant_buffer->_readdir64_struct);
	287	#endif /* HAS_READDIR64_R */
	288	#ifdef HAS_SETLOCALE_R
	289	Safefree(PL_reentrant_buffer->_setlocale_buffer);
	290	#endif /* HAS_SETLOCALE_R */
5cb13b8d JD	291	#ifdef HAS_SRANDOM_R
5cb13b8d JD	292	#endif /* HAS_SRANDOM_R */
10bc17b6 JH	293	#ifdef HAS_STRERROR_R
	294	Safefree(PL_reentrant_buffer->_strerror_buffer);
	295	#endif /* HAS_STRERROR_R */
	296	#ifdef HAS_TTYNAME_R
	297	Safefree(PL_reentrant_buffer->_ttyname_buffer);
	298	#endif /* HAS_TTYNAME_R */
	299
	300	Safefree(PL_reentrant_buffer);
	301	#endif /* USE_REENTRANT_API */
	302	}
	303
edd309b7 JH	304	void*
	305	Perl_reentrant_retry(const char *f, ...)
	306	{
	307	dTHX;
	308	void *retptr = NULL;
	309	#ifdef USE_REENTRANT_API
0891a229	310	# 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)
e3410746 SR	311	void *p0;
e3410746 SR	312	# endif
f7937171	313	# if defined(USE_SERVENT_BUFFER)
e3410746 SR	314	void *p1;
e3410746 SR	315	# endif
f7937171	316	# if defined(USE_HOSTENT_BUFFER)
edd309b7	317	size_t asize;
e3410746	318	# endif
f7937171	319	# if defined(USE_HOSTENT_BUFFER) \|\| defined(USE_NETENT_BUFFER) \|\| defined(USE_PROTOENT_BUFFER) \|\| defined(USE_SERVENT_BUFFER)
edd309b7	320	int anint;
e3410746	321	# endif
edd309b7 JH	322	va_list ap;
	323
	324	va_start(ap, f);
	325
edd309b7	326	switch (PL_op->op_type) {
f7937171	327	#ifdef USE_HOSTENT_BUFFER
edd309b7 JH	328	case OP_GHBYADDR:
	329	case OP_GHBYNAME:
	330	case OP_GHOSTENT:
	331	{
af685957 JH	332	#ifdef PERL_REENTRANT_MAXSIZE
	333	if (PL_reentrant_buffer->_hostent_size <=
	334	PERL_REENTRANT_MAXSIZE / 2)
	335	#endif
	336	{
f7937171 JH	337	PL_reentrant_buffer->_hostent_size *= 2;
	338	Renew(PL_reentrant_buffer->_hostent_buffer,
	339	PL_reentrant_buffer->_hostent_size, char);
edd309b7 JH	340	switch (PL_op->op_type) {
	341	case OP_GHBYADDR:
	342	p0 = va_arg(ap, void *);
	343	asize = va_arg(ap, size_t);
	344	anint = va_arg(ap, int);
	345	retptr = gethostbyaddr(p0, asize, anint); break;
	346	case OP_GHBYNAME:
	347	p0 = va_arg(ap, void *);
	348	retptr = gethostbyname(p0); break;
	349	case OP_GHOSTENT:
	350	retptr = gethostent(); break;
	351	default:
0de8cad8	352	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	353	break;
	354	}
	355	}
	356	}
	357	break;
	358	#endif
f7937171	359	#ifdef USE_GRENT_BUFFER
edd309b7 JH	360	case OP_GGRNAM:
	361	case OP_GGRGID:
	362	case OP_GGRENT:
	363	{
af685957 JH	364	#ifdef PERL_REENTRANT_MAXSIZE
	365	if (PL_reentrant_buffer->_grent_size <=
	366	PERL_REENTRANT_MAXSIZE / 2)
	367	#endif
	368	{
edd309b7	369	Gid_t gid;
f7937171 JH	370	PL_reentrant_buffer->_grent_size *= 2;
	371	Renew(PL_reentrant_buffer->_grent_buffer,
	372	PL_reentrant_buffer->_grent_size, char);
edd309b7 JH	373	switch (PL_op->op_type) {
	374	case OP_GGRNAM:
	375	p0 = va_arg(ap, void *);
	376	retptr = getgrnam(p0); break;
	377	case OP_GGRGID:
ab2b559b JH	378	#if Gid_t_size < INTSIZE
	379	gid = (Gid_t)va_arg(ap, int);
	380	#else
edd309b7	381	gid = va_arg(ap, Gid_t);
ab2b559b	382	#endif
edd309b7 JH	383	retptr = getgrgid(gid); break;
	384	case OP_GGRENT:
	385	retptr = getgrent(); break;
	386	default:
0de8cad8	387	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	388	break;
	389	}
	390	}
	391	}
	392	break;
	393	#endif
f7937171	394	#ifdef USE_NETENT_BUFFER
edd309b7 JH	395	case OP_GNBYADDR:
	396	case OP_GNBYNAME:
	397	case OP_GNETENT:
	398	{
af685957 JH	399	#ifdef PERL_REENTRANT_MAXSIZE
	400	if (PL_reentrant_buffer->_netent_size <=
	401	PERL_REENTRANT_MAXSIZE / 2)
	402	#endif
	403	{
edd309b7	404	Netdb_net_t net;
f7937171 JH	405	PL_reentrant_buffer->_netent_size *= 2;
	406	Renew(PL_reentrant_buffer->_netent_buffer,
	407	PL_reentrant_buffer->_netent_size, char);
edd309b7 JH	408	switch (PL_op->op_type) {
	409	case OP_GNBYADDR:
	410	net = va_arg(ap, Netdb_net_t);
	411	anint = va_arg(ap, int);
	412	retptr = getnetbyaddr(net, anint); break;
	413	case OP_GNBYNAME:
	414	p0 = va_arg(ap, void *);
	415	retptr = getnetbyname(p0); break;
	416	case OP_GNETENT:
	417	retptr = getnetent(); break;
	418	default:
0de8cad8	419	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	420	break;
	421	}
	422	}
	423	}
	424	break;
	425	#endif
f7937171	426	#ifdef USE_PWENT_BUFFER
edd309b7 JH	427	case OP_GPWNAM:
	428	case OP_GPWUID:
	429	case OP_GPWENT:
	430	{
af685957 JH	431	#ifdef PERL_REENTRANT_MAXSIZE
	432	if (PL_reentrant_buffer->_pwent_size <=
	433	PERL_REENTRANT_MAXSIZE / 2)
	434	#endif
	435	{
edd309b7	436	Uid_t uid;
f7937171 JH	437	PL_reentrant_buffer->_pwent_size *= 2;
	438	Renew(PL_reentrant_buffer->_pwent_buffer,
	439	PL_reentrant_buffer->_pwent_size, char);
edd309b7 JH	440	switch (PL_op->op_type) {
	441	case OP_GPWNAM:
	442	p0 = va_arg(ap, void *);
	443	retptr = getpwnam(p0); break;
	444	case OP_GPWUID:
ab2b559b JH	445	#if Uid_t_size < INTSIZE
	446	uid = (Uid_t)va_arg(ap, int);
	447	#else
edd309b7	448	uid = va_arg(ap, Uid_t);
ab2b559b	449	#endif
edd309b7 JH	450	retptr = getpwuid(uid); break;
	451	case OP_GPWENT:
	452	retptr = getpwent(); break;
	453	default:
0de8cad8	454	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	455	break;
	456	}
	457	}
	458	}
	459	break;
	460	#endif
f7937171	461	#ifdef USE_PROTOENT_BUFFER
edd309b7 JH	462	case OP_GPBYNAME:
	463	case OP_GPBYNUMBER:
	464	case OP_GPROTOENT:
	465	{
af685957 JH	466	#ifdef PERL_REENTRANT_MAXSIZE
	467	if (PL_reentrant_buffer->_protoent_size <=
	468	PERL_REENTRANT_MAXSIZE / 2)
	469	#endif
	470	{
f7937171 JH	471	PL_reentrant_buffer->_protoent_size *= 2;
	472	Renew(PL_reentrant_buffer->_protoent_buffer,
	473	PL_reentrant_buffer->_protoent_size, char);
edd309b7 JH	474	switch (PL_op->op_type) {
	475	case OP_GPBYNAME:
	476	p0 = va_arg(ap, void *);
	477	retptr = getprotobyname(p0); break;
	478	case OP_GPBYNUMBER:
	479	anint = va_arg(ap, int);
	480	retptr = getprotobynumber(anint); break;
	481	case OP_GPROTOENT:
	482	retptr = getprotoent(); break;
	483	default:
0de8cad8	484	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	485	break;
	486	}
	487	}
	488	}
	489	break;
	490	#endif
f7937171	491	#ifdef USE_SERVENT_BUFFER
edd309b7 JH	492	case OP_GSBYNAME:
	493	case OP_GSBYPORT:
	494	case OP_GSERVENT:
	495	{
af685957 JH	496	#ifdef PERL_REENTRANT_MAXSIZE
	497	if (PL_reentrant_buffer->_servent_size <=
	498	PERL_REENTRANT_MAXSIZE / 2)
	499	#endif
	500	{
f7937171 JH	501	PL_reentrant_buffer->_servent_size *= 2;
	502	Renew(PL_reentrant_buffer->_servent_buffer,
	503	PL_reentrant_buffer->_servent_size, char);
edd309b7 JH	504	switch (PL_op->op_type) {
	505	case OP_GSBYNAME:
	506	p0 = va_arg(ap, void *);
	507	p1 = va_arg(ap, void *);
	508	retptr = getservbyname(p0, p1); break;
	509	case OP_GSBYPORT:
	510	anint = va_arg(ap, int);
	511	p0 = va_arg(ap, void *);
	512	retptr = getservbyport(anint, p0); break;
	513	case OP_GSERVENT:
	514	retptr = getservent(); break;
	515	default:
0de8cad8	516	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	517	break;
	518	}
	519	}
	520	}
	521	break;
	522	#endif
	523	default:
	524	/* Not known how to retry, so just fail. */
	525	break;
	526	}
	527
	528	va_end(ap);
	529	#endif
	530	return retptr;
	531	}
	532