[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_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_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_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 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
05404ffe JH	149	#if CRYPT_R_PROTO != REENTRANT_PROTO_B_CCD
05404ffe JH	150	PL_reentrant_buffer->_crypt_struct_buffer = 0;
10bc17b6 JH	151	#endif
	152	#endif /* HAS_CRYPT_R */
	153	#ifdef HAS_CTIME_R
	154	New(31338, PL_reentrant_buffer->_ctime_buffer, PL_reentrant_buffer->_ctime_size, char);
	155	#endif /* HAS_CTIME_R */
	156	#ifdef HAS_DRAND48_R
	157	#endif /* HAS_DRAND48_R */
	158	#ifdef HAS_GETGRNAM_R
f7937171 JH	159	# ifdef USE_GRENT_FPTR
f7937171 JH	160	PL_reentrant_buffer->_grent_fptr = NULL;
10bc17b6	161	# endif
f7937171	162	New(31338, PL_reentrant_buffer->_grent_buffer, PL_reentrant_buffer->_grent_size, char);
10bc17b6 JH	163	#endif /* HAS_GETGRNAM_R */
	164	#ifdef HAS_GETHOSTBYNAME_R
	165	#if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	166	New(31338, PL_reentrant_buffer->_hostent_buffer, PL_reentrant_buffer->_hostent_size, char);
10bc17b6 JH	167	#endif
	168	#endif /* HAS_GETHOSTBYNAME_R */
	169	#ifdef HAS_GETLOGIN_R
	170	New(31338, PL_reentrant_buffer->_getlogin_buffer, PL_reentrant_buffer->_getlogin_size, char);
	171	#endif /* HAS_GETLOGIN_R */
	172	#ifdef HAS_GETNETBYNAME_R
	173	#if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	174	New(31338, PL_reentrant_buffer->_netent_buffer, PL_reentrant_buffer->_netent_size, char);
10bc17b6 JH	175	#endif
	176	#endif /* HAS_GETNETBYNAME_R */
	177	#ifdef HAS_GETPROTOBYNAME_R
	178	#if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	179	New(31338, PL_reentrant_buffer->_protoent_buffer, PL_reentrant_buffer->_protoent_size, char);
10bc17b6 JH	180	#endif
	181	#endif /* HAS_GETPROTOBYNAME_R */
	182	#ifdef HAS_GETPWNAM_R
f7937171 JH	183	# ifdef USE_PWENT_FPTR
f7937171 JH	184	PL_reentrant_buffer->_pwent_fptr = NULL;
10bc17b6	185	# endif
f7937171	186	New(31338, PL_reentrant_buffer->_pwent_buffer, PL_reentrant_buffer->_pwent_size, char);
10bc17b6 JH	187	#endif /* HAS_GETPWNAM_R */
	188	#ifdef HAS_GETSERVBYNAME_R
	189	#if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD)
f7937171	190	New(31338, PL_reentrant_buffer->_servent_buffer, PL_reentrant_buffer->_servent_size, char);
10bc17b6 JH	191	#endif
	192	#endif /* HAS_GETSERVBYNAME_R */
	193	#ifdef HAS_GETSPNAM_R
f7937171 JH	194	# ifdef USE_SPENT_FPTR
	195	PL_reentrant_buffer->_spent_fptr = NULL;
	196	# endif
	197	New(31338, PL_reentrant_buffer->_spent_buffer, PL_reentrant_buffer->_spent_size, char);
10bc17b6 JH	198	#endif /* HAS_GETSPNAM_R */
	199	#ifdef HAS_GMTIME_R
	200	#endif /* HAS_GMTIME_R */
	201	#ifdef HAS_LOCALTIME_R
	202	#endif /* HAS_LOCALTIME_R */
	203	#ifdef HAS_RANDOM_R
	204	#endif /* HAS_RANDOM_R */
	205	#ifdef HAS_READDIR_R
	206	PL_reentrant_buffer->_readdir_struct = (struct dirent*)safemalloc(PL_reentrant_buffer->_readdir_size);
	207	#endif /* HAS_READDIR_R */
	208	#ifdef HAS_READDIR64_R
	209	PL_reentrant_buffer->_readdir64_struct = (struct dirent64*)safemalloc(PL_reentrant_buffer->_readdir64_size);
	210	#endif /* HAS_READDIR64_R */
	211	#ifdef HAS_SETLOCALE_R
	212	New(31338, PL_reentrant_buffer->_setlocale_buffer, PL_reentrant_buffer->_setlocale_size, char);
	213	#endif /* HAS_SETLOCALE_R */
	214	#ifdef HAS_STRERROR_R
	215	New(31338, PL_reentrant_buffer->_strerror_buffer, PL_reentrant_buffer->_strerror_size, char);
	216	#endif /* HAS_STRERROR_R */
	217	#ifdef HAS_TTYNAME_R
	218	New(31338, PL_reentrant_buffer->_ttyname_buffer, PL_reentrant_buffer->_ttyname_size, char);
	219	#endif /* HAS_TTYNAME_R */
	220
	221	#endif /* USE_REENTRANT_API */
	222	}
	223
	224	void
	225	Perl_reentrant_free(pTHX) {
	226	#ifdef USE_REENTRANT_API
	227	#ifdef HAS_ASCTIME_R
	228	Safefree(PL_reentrant_buffer->_asctime_buffer);
	229	#endif /* HAS_ASCTIME_R */
	230	#ifdef HAS_CRYPT_R
05404ffe JH	231	#if CRYPT_R_PROTO != REENTRANT_PROTO_B_CCD
	232	Safefree(PL_reentrant_buffer->_crypt_struct_buffer);
	233	#endif
10bc17b6 JH	234	#endif /* HAS_CRYPT_R */
	235	#ifdef HAS_CTIME_R
	236	Safefree(PL_reentrant_buffer->_ctime_buffer);
	237	#endif /* HAS_CTIME_R */
	238	#ifdef HAS_DRAND48_R
	239	#endif /* HAS_DRAND48_R */
	240	#ifdef HAS_GETGRNAM_R
f7937171	241	Safefree(PL_reentrant_buffer->_grent_buffer);
10bc17b6 JH	242	#endif /* HAS_GETGRNAM_R */
	243	#ifdef HAS_GETHOSTBYNAME_R
	244	#if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	245	Safefree(PL_reentrant_buffer->_hostent_buffer);
10bc17b6 JH	246	#endif
	247	#endif /* HAS_GETHOSTBYNAME_R */
	248	#ifdef HAS_GETLOGIN_R
	249	Safefree(PL_reentrant_buffer->_getlogin_buffer);
	250	#endif /* HAS_GETLOGIN_R */
	251	#ifdef HAS_GETNETBYNAME_R
	252	#if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	253	Safefree(PL_reentrant_buffer->_netent_buffer);
10bc17b6 JH	254	#endif
	255	#endif /* HAS_GETNETBYNAME_R */
	256	#ifdef HAS_GETPROTOBYNAME_R
	257	#if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	258	Safefree(PL_reentrant_buffer->_protoent_buffer);
10bc17b6 JH	259	#endif
	260	#endif /* HAS_GETPROTOBYNAME_R */
	261	#ifdef HAS_GETPWNAM_R
f7937171	262	Safefree(PL_reentrant_buffer->_pwent_buffer);
10bc17b6 JH	263	#endif /* HAS_GETPWNAM_R */
	264	#ifdef HAS_GETSERVBYNAME_R
	265	#if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD)
f7937171	266	Safefree(PL_reentrant_buffer->_servent_buffer);
10bc17b6 JH	267	#endif
	268	#endif /* HAS_GETSERVBYNAME_R */
	269	#ifdef HAS_GETSPNAM_R
f7937171	270	Safefree(PL_reentrant_buffer->_spent_buffer);
10bc17b6 JH	271	#endif /* HAS_GETSPNAM_R */
	272	#ifdef HAS_GMTIME_R
	273	#endif /* HAS_GMTIME_R */
	274	#ifdef HAS_LOCALTIME_R
	275	#endif /* HAS_LOCALTIME_R */
	276	#ifdef HAS_RANDOM_R
	277	#endif /* HAS_RANDOM_R */
	278	#ifdef HAS_READDIR_R
	279	Safefree(PL_reentrant_buffer->_readdir_struct);
	280	#endif /* HAS_READDIR_R */
	281	#ifdef HAS_READDIR64_R
	282	Safefree(PL_reentrant_buffer->_readdir64_struct);
	283	#endif /* HAS_READDIR64_R */
	284	#ifdef HAS_SETLOCALE_R
	285	Safefree(PL_reentrant_buffer->_setlocale_buffer);
	286	#endif /* HAS_SETLOCALE_R */
	287	#ifdef HAS_STRERROR_R
	288	Safefree(PL_reentrant_buffer->_strerror_buffer);
	289	#endif /* HAS_STRERROR_R */
	290	#ifdef HAS_TTYNAME_R
	291	Safefree(PL_reentrant_buffer->_ttyname_buffer);
	292	#endif /* HAS_TTYNAME_R */
	293
	294	Safefree(PL_reentrant_buffer);
	295	#endif /* USE_REENTRANT_API */
	296	}
	297
edd309b7 JH	298	void*
	299	Perl_reentrant_retry(const char *f, ...)
	300	{
	301	dTHX;
	302	void *retptr = NULL;
	303	#ifdef USE_REENTRANT_API
0891a229	304	# 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	305	void *p0;
e3410746 SR	306	# endif
f7937171	307	# if defined(USE_SERVENT_BUFFER)
e3410746 SR	308	void *p1;
e3410746 SR	309	# endif
f7937171	310	# if defined(USE_HOSTENT_BUFFER)
edd309b7	311	size_t asize;
e3410746	312	# endif
f7937171	313	# if defined(USE_HOSTENT_BUFFER) \|\| defined(USE_NETENT_BUFFER) \|\| defined(USE_PROTOENT_BUFFER) \|\| defined(USE_SERVENT_BUFFER)
edd309b7	314	int anint;
e3410746	315	# endif
edd309b7 JH	316	va_list ap;
	317
	318	va_start(ap, f);
	319
edd309b7	320	switch (PL_op->op_type) {
f7937171	321	#ifdef USE_HOSTENT_BUFFER
edd309b7 JH	322	case OP_GHBYADDR:
	323	case OP_GHBYNAME:
	324	case OP_GHOSTENT:
	325	{
af685957 JH	326	#ifdef PERL_REENTRANT_MAXSIZE
	327	if (PL_reentrant_buffer->_hostent_size <=
	328	PERL_REENTRANT_MAXSIZE / 2)
	329	#endif
	330	{
f7937171 JH	331	PL_reentrant_buffer->_hostent_size *= 2;
	332	Renew(PL_reentrant_buffer->_hostent_buffer,
	333	PL_reentrant_buffer->_hostent_size, char);
edd309b7 JH	334	switch (PL_op->op_type) {
	335	case OP_GHBYADDR:
	336	p0 = va_arg(ap, void *);
	337	asize = va_arg(ap, size_t);
	338	anint = va_arg(ap, int);
	339	retptr = gethostbyaddr(p0, asize, anint); break;
	340	case OP_GHBYNAME:
	341	p0 = va_arg(ap, void *);
	342	retptr = gethostbyname(p0); break;
	343	case OP_GHOSTENT:
	344	retptr = gethostent(); break;
	345	default:
0de8cad8	346	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	347	break;
	348	}
	349	}
	350	}
	351	break;
	352	#endif
f7937171	353	#ifdef USE_GRENT_BUFFER
edd309b7 JH	354	case OP_GGRNAM:
	355	case OP_GGRGID:
	356	case OP_GGRENT:
	357	{
af685957 JH	358	#ifdef PERL_REENTRANT_MAXSIZE
	359	if (PL_reentrant_buffer->_grent_size <=
	360	PERL_REENTRANT_MAXSIZE / 2)
	361	#endif
	362	{
edd309b7	363	Gid_t gid;
f7937171 JH	364	PL_reentrant_buffer->_grent_size *= 2;
	365	Renew(PL_reentrant_buffer->_grent_buffer,
	366	PL_reentrant_buffer->_grent_size, char);
edd309b7 JH	367	switch (PL_op->op_type) {
	368	case OP_GGRNAM:
	369	p0 = va_arg(ap, void *);
	370	retptr = getgrnam(p0); break;
	371	case OP_GGRGID:
ab2b559b JH	372	#if Gid_t_size < INTSIZE
	373	gid = (Gid_t)va_arg(ap, int);
	374	#else
edd309b7	375	gid = va_arg(ap, Gid_t);
ab2b559b	376	#endif
edd309b7 JH	377	retptr = getgrgid(gid); break;
	378	case OP_GGRENT:
	379	retptr = getgrent(); break;
	380	default:
0de8cad8	381	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	382	break;
	383	}
	384	}
	385	}
	386	break;
	387	#endif
f7937171	388	#ifdef USE_NETENT_BUFFER
edd309b7 JH	389	case OP_GNBYADDR:
	390	case OP_GNBYNAME:
	391	case OP_GNETENT:
	392	{
af685957 JH	393	#ifdef PERL_REENTRANT_MAXSIZE
	394	if (PL_reentrant_buffer->_netent_size <=
	395	PERL_REENTRANT_MAXSIZE / 2)
	396	#endif
	397	{
edd309b7	398	Netdb_net_t net;
f7937171 JH	399	PL_reentrant_buffer->_netent_size *= 2;
	400	Renew(PL_reentrant_buffer->_netent_buffer,
	401	PL_reentrant_buffer->_netent_size, char);
edd309b7 JH	402	switch (PL_op->op_type) {
	403	case OP_GNBYADDR:
	404	net = va_arg(ap, Netdb_net_t);
	405	anint = va_arg(ap, int);
	406	retptr = getnetbyaddr(net, anint); break;
	407	case OP_GNBYNAME:
	408	p0 = va_arg(ap, void *);
	409	retptr = getnetbyname(p0); break;
	410	case OP_GNETENT:
	411	retptr = getnetent(); break;
	412	default:
0de8cad8	413	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	414	break;
	415	}
	416	}
	417	}
	418	break;
	419	#endif
f7937171	420	#ifdef USE_PWENT_BUFFER
edd309b7 JH	421	case OP_GPWNAM:
	422	case OP_GPWUID:
	423	case OP_GPWENT:
	424	{
af685957 JH	425	#ifdef PERL_REENTRANT_MAXSIZE
	426	if (PL_reentrant_buffer->_pwent_size <=
	427	PERL_REENTRANT_MAXSIZE / 2)
	428	#endif
	429	{
edd309b7	430	Uid_t uid;
f7937171 JH	431	PL_reentrant_buffer->_pwent_size *= 2;
	432	Renew(PL_reentrant_buffer->_pwent_buffer,
	433	PL_reentrant_buffer->_pwent_size, char);
edd309b7 JH	434	switch (PL_op->op_type) {
	435	case OP_GPWNAM:
	436	p0 = va_arg(ap, void *);
	437	retptr = getpwnam(p0); break;
	438	case OP_GPWUID:
ab2b559b JH	439	#if Uid_t_size < INTSIZE
	440	uid = (Uid_t)va_arg(ap, int);
	441	#else
edd309b7	442	uid = va_arg(ap, Uid_t);
ab2b559b	443	#endif
edd309b7 JH	444	retptr = getpwuid(uid); break;
	445	case OP_GPWENT:
	446	retptr = getpwent(); break;
	447	default:
0de8cad8	448	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	449	break;
	450	}
	451	}
	452	}
	453	break;
	454	#endif
f7937171	455	#ifdef USE_PROTOENT_BUFFER
edd309b7 JH	456	case OP_GPBYNAME:
	457	case OP_GPBYNUMBER:
	458	case OP_GPROTOENT:
	459	{
af685957 JH	460	#ifdef PERL_REENTRANT_MAXSIZE
	461	if (PL_reentrant_buffer->_protoent_size <=
	462	PERL_REENTRANT_MAXSIZE / 2)
	463	#endif
	464	{
f7937171 JH	465	PL_reentrant_buffer->_protoent_size *= 2;
	466	Renew(PL_reentrant_buffer->_protoent_buffer,
	467	PL_reentrant_buffer->_protoent_size, char);
edd309b7 JH	468	switch (PL_op->op_type) {
	469	case OP_GPBYNAME:
	470	p0 = va_arg(ap, void *);
	471	retptr = getprotobyname(p0); break;
	472	case OP_GPBYNUMBER:
	473	anint = va_arg(ap, int);
	474	retptr = getprotobynumber(anint); break;
	475	case OP_GPROTOENT:
	476	retptr = getprotoent(); break;
	477	default:
0de8cad8	478	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	479	break;
	480	}
	481	}
	482	}
	483	break;
	484	#endif
f7937171	485	#ifdef USE_SERVENT_BUFFER
edd309b7 JH	486	case OP_GSBYNAME:
	487	case OP_GSBYPORT:
	488	case OP_GSERVENT:
	489	{
af685957 JH	490	#ifdef PERL_REENTRANT_MAXSIZE
	491	if (PL_reentrant_buffer->_servent_size <=
	492	PERL_REENTRANT_MAXSIZE / 2)
	493	#endif
	494	{
f7937171 JH	495	PL_reentrant_buffer->_servent_size *= 2;
	496	Renew(PL_reentrant_buffer->_servent_buffer,
	497	PL_reentrant_buffer->_servent_size, char);
edd309b7 JH	498	switch (PL_op->op_type) {
	499	case OP_GSBYNAME:
	500	p0 = va_arg(ap, void *);
	501	p1 = va_arg(ap, void *);
	502	retptr = getservbyname(p0, p1); break;
	503	case OP_GSBYPORT:
	504	anint = va_arg(ap, int);
	505	p0 = va_arg(ap, void *);
	506	retptr = getservbyport(anint, p0); break;
	507	case OP_GSERVENT:
	508	retptr = getservent(); break;
	509	default:
0de8cad8	510	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	511	break;
	512	}
	513	}
	514	}
	515	break;
	516	#endif
	517	default:
	518	/* Not known how to retry, so just fail. */
	519	break;
	520	}
	521
	522	va_end(ap);
	523	#endif
	524	return retptr;
	525	}
	526