[perl5.git] / reentr.c

/* -*- buffer-read-only: t -*-
 *
 *    reentr.c
 *
 *    Copyright (C) 2002, 2003, 2005, 2006, 2007 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 regen/reentr.pl from data in regen/reentr.pl.
 * Any changes made here will be lost!
 *
 * "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!"
 *
 * This file contains a collection of automatically created wrappers
 * (created by running reentr.pl) for reentrant (thread-safe) versions of
 * various library calls, such as getpwent_r.  The wrapping is done so
 * that other files like pp_sys.c calling those library functions need not
 * care about the differences between various platforms' idiosyncrasies
 * regarding these reentrant interfaces.  
 */

#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_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 == (size_t) -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 == (size_t) -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 == (size_t) -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_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
	Newx(PL_reentrant_buffer, 1, REENTR);
	Perl_reentrant_size(aTHX);
#ifdef HAS_ASCTIME_R
	Newx(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
	Newx(PL_reentrant_buffer->_ctime_buffer, PL_reentrant_buffer->_ctime_size, char);
#endif /* HAS_CTIME_R */
#ifdef HAS_GETGRNAM_R
#   ifdef USE_GRENT_FPTR
	PL_reentrant_buffer->_grent_fptr = NULL;
#   endif
	Newx(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)
	Newx(PL_reentrant_buffer->_hostent_buffer, PL_reentrant_buffer->_hostent_size, char);
#endif
#endif /* HAS_GETHOSTBYNAME_R */
#ifdef HAS_GETLOGIN_R
	Newx(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)
	Newx(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)
	Newx(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
	Newx(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)
	Newx(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
	Newx(PL_reentrant_buffer->_spent_buffer, PL_reentrant_buffer->_spent_size, char);
#endif /* HAS_GETSPNAM_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
	Newx(PL_reentrant_buffer->_setlocale_buffer, PL_reentrant_buffer->_setlocale_size, char);
#endif /* HAS_SETLOCALE_R */
#ifdef HAS_STRERROR_R
	Newx(PL_reentrant_buffer->_strerror_buffer, PL_reentrant_buffer->_strerror_size, char);
#endif /* HAS_STRERROR_R */
#ifdef HAS_TTYNAME_R
	Newx(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_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_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, ...)
{
    void *retptr = NULL;
    va_list ap;
#ifdef USE_REENTRANT_API
    dTHX;
    /* Easier to special case this here than in embed.pl. (Look at what it
       generates for proto.h) */
    PERL_ARGS_ASSERT_REENTRANT_RETRY;
#endif
    va_start(ap, f);
    {
#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

    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((char *)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((char *)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((char *)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((char *)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;
#if defined(HAS_GETPWENT) || defined(HAS_GETPWENT_R)
	        case OP_GPWENT:
		    retptr = getpwent(); break;
#endif
	        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((char *)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((char *)p0, (char *)p1); break;
	        case OP_GSBYPORT:
		    anint = va_arg(ap, int);
		    p0 = va_arg(ap, void *);
		    retptr = getservbyport(anint, (char *)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;
    }
#else
    PERL_UNUSED_ARG(f);
#endif
    }
    va_end(ap);
    return retptr;
}

/* ex: set ro: */
Commit	Line	Data
37442d52 RGS	1	/* -- buffer-read-only: t --
37442d52 RGS	2	*
10bc17b6 JH	3	* reentr.c
10bc17b6 JH	4	*
922adc66	5	* Copyright (C) 2002, 2003, 2005, 2006, 2007 by Larry Wall and others
10bc17b6 JH	6	*
	7	* You may distribute under the terms of either the GNU General Public
	8	* License or the Artistic License, as specified in the README file.
	9	*
78102347 NC	10	* !!!!!!! DO NOT EDIT THIS FILE !!!!!!!
	11	* This file is built by regen/reentr.pl from data in regen/reentr.pl.
	12	* Any changes made here will be lost!
10bc17b6 JH	13	*
	14	* "Saruman," I said, standing away from him, "only one hand at a time can
	15	* wield the One, and you know that well, so do not trouble to say we!"
	16	*
61296642 DM	17	* This file contains a collection of automatically created wrappers
	18	* (created by running reentr.pl) for reentrant (thread-safe) versions of
	19	* various library calls, such as getpwent_r. The wrapping is done so
	20	* that other files like pp_sys.c calling those library functions need not
	21	* care about the differences between various platforms' idiosyncrasies
	22	* regarding these reentrant interfaces.
10bc17b6 JH	23	*/
	24
	25	#include "EXTERN.h"
	26	#define PERL_IN_REENTR_C
	27	#include "perl.h"
	28	#include "reentr.h"
	29
	30	void
	31	Perl_reentrant_size(pTHX) {
	32	#ifdef USE_REENTRANT_API
8695fa85 SR	33	#define REENTRANTSMALLSIZE 256 /* Make something up. */
8695fa85 SR	34	#define REENTRANTUSUALSIZE 4096 /* Make something up. */
10bc17b6	35	#ifdef HAS_ASCTIME_R
8695fa85	36	PL_reentrant_buffer->_asctime_size = REENTRANTSMALLSIZE;
10bc17b6 JH	37	#endif /* HAS_ASCTIME_R */
	38	#ifdef HAS_CRYPT_R
	39	#endif /* HAS_CRYPT_R */
	40	#ifdef HAS_CTIME_R
8695fa85	41	PL_reentrant_buffer->_ctime_size = REENTRANTSMALLSIZE;
10bc17b6	42	#endif /* HAS_CTIME_R */
10bc17b6	43	#ifdef HAS_GETGRNAM_R
0de8cad8 RGS	44	# if defined(HAS_SYSCONF) && defined(_SC_GETGR_R_SIZE_MAX) && !defined(__GLIBC__)
0de8cad8 RGS	45	PL_reentrant_buffer->_grent_size = sysconf(_SC_GETGR_R_SIZE_MAX);
a3dd3f83	46	if (PL_reentrant_buffer->_grent_size == (size_t) -1)
0de8cad8	47	PL_reentrant_buffer->_grent_size = REENTRANTUSUALSIZE;
10bc17b6 JH	48	# else
10bc17b6 JH	49	# if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
f7937171	50	PL_reentrant_buffer->_grent_size = SIABUFSIZ;
10bc17b6 JH	51	# else
10bc17b6 JH	52	# ifdef __sgi
f7937171	53	PL_reentrant_buffer->_grent_size = BUFSIZ;
10bc17b6	54	# else
f7937171	55	PL_reentrant_buffer->_grent_size = REENTRANTUSUALSIZE;
10bc17b6 JH	56	# endif
	57	# endif
	58	# endif
	59	#endif /* HAS_GETGRNAM_R */
	60	#ifdef HAS_GETHOSTBYNAME_R
	61	#if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	62	PL_reentrant_buffer->_hostent_size = REENTRANTUSUALSIZE;
10bc17b6 JH	63	#endif
	64	#endif /* HAS_GETHOSTBYNAME_R */
	65	#ifdef HAS_GETLOGIN_R
8695fa85	66	PL_reentrant_buffer->_getlogin_size = REENTRANTSMALLSIZE;
10bc17b6 JH	67	#endif /* HAS_GETLOGIN_R */
	68	#ifdef HAS_GETNETBYNAME_R
	69	#if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	70	PL_reentrant_buffer->_netent_size = REENTRANTUSUALSIZE;
10bc17b6 JH	71	#endif
	72	#endif /* HAS_GETNETBYNAME_R */
	73	#ifdef HAS_GETPROTOBYNAME_R
	74	#if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	75	PL_reentrant_buffer->_protoent_size = REENTRANTUSUALSIZE;
10bc17b6 JH	76	#endif
	77	#endif /* HAS_GETPROTOBYNAME_R */
	78	#ifdef HAS_GETPWNAM_R
	79	# if defined(HAS_SYSCONF) && defined(_SC_GETPW_R_SIZE_MAX) && !defined(__GLIBC__)
f7937171	80	PL_reentrant_buffer->_pwent_size = sysconf(_SC_GETPW_R_SIZE_MAX);
a3dd3f83	81	if (PL_reentrant_buffer->_pwent_size == (size_t) -1)
f7937171	82	PL_reentrant_buffer->_pwent_size = REENTRANTUSUALSIZE;
10bc17b6 JH	83	# else
10bc17b6 JH	84	# if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
f7937171	85	PL_reentrant_buffer->_pwent_size = SIABUFSIZ;
10bc17b6 JH	86	# else
10bc17b6 JH	87	# ifdef __sgi
f7937171	88	PL_reentrant_buffer->_pwent_size = BUFSIZ;
10bc17b6	89	# else
f7937171	90	PL_reentrant_buffer->_pwent_size = REENTRANTUSUALSIZE;
10bc17b6 JH	91	# endif
	92	# endif
	93	# endif
	94	#endif /* HAS_GETPWNAM_R */
	95	#ifdef HAS_GETSERVBYNAME_R
	96	#if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD)
f7937171	97	PL_reentrant_buffer->_servent_size = REENTRANTUSUALSIZE;
10bc17b6 JH	98	#endif
	99	#endif /* HAS_GETSERVBYNAME_R */
	100	#ifdef HAS_GETSPNAM_R
f7937171 JH	101	# if defined(HAS_SYSCONF) && defined(_SC_GETPW_R_SIZE_MAX) && !defined(__GLIBC__)
f7937171 JH	102	PL_reentrant_buffer->_spent_size = sysconf(_SC_GETPW_R_SIZE_MAX);
a3dd3f83	103	if (PL_reentrant_buffer->_spent_size == (size_t) -1)
0de8cad8	104	PL_reentrant_buffer->_spent_size = REENTRANTUSUALSIZE;
f7937171 JH	105	# else
	106	# if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
	107	PL_reentrant_buffer->_spent_size = SIABUFSIZ;
	108	# else
	109	# ifdef __sgi
	110	PL_reentrant_buffer->_spent_size = BUFSIZ;
	111	# else
	112	PL_reentrant_buffer->_spent_size = REENTRANTUSUALSIZE;
	113	# endif
	114	# endif
	115	# endif
10bc17b6	116	#endif /* HAS_GETSPNAM_R */
10bc17b6 JH	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
a02a5408	143	Newx(PL_reentrant_buffer, 1, REENTR);
10bc17b6 JH	144	Perl_reentrant_size(aTHX);
10bc17b6 JH	145	#ifdef HAS_ASCTIME_R
a02a5408	146	Newx(PL_reentrant_buffer->_asctime_buffer, PL_reentrant_buffer->_asctime_size, char);
10bc17b6 JH	147	#endif /* HAS_ASCTIME_R */
10bc17b6 JH	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
a02a5408	154	Newx(PL_reentrant_buffer->_ctime_buffer, PL_reentrant_buffer->_ctime_size, char);
10bc17b6	155	#endif /* HAS_CTIME_R */
10bc17b6	156	#ifdef HAS_GETGRNAM_R
f7937171 JH	157	# ifdef USE_GRENT_FPTR
f7937171 JH	158	PL_reentrant_buffer->_grent_fptr = NULL;
10bc17b6	159	# endif
a02a5408	160	Newx(PL_reentrant_buffer->_grent_buffer, PL_reentrant_buffer->_grent_size, char);
10bc17b6 JH	161	#endif /* HAS_GETGRNAM_R */
	162	#ifdef HAS_GETHOSTBYNAME_R
	163	#if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
a02a5408	164	Newx(PL_reentrant_buffer->_hostent_buffer, PL_reentrant_buffer->_hostent_size, char);
10bc17b6 JH	165	#endif
	166	#endif /* HAS_GETHOSTBYNAME_R */
	167	#ifdef HAS_GETLOGIN_R
a02a5408	168	Newx(PL_reentrant_buffer->_getlogin_buffer, PL_reentrant_buffer->_getlogin_size, char);
10bc17b6 JH	169	#endif /* HAS_GETLOGIN_R */
	170	#ifdef HAS_GETNETBYNAME_R
	171	#if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
a02a5408	172	Newx(PL_reentrant_buffer->_netent_buffer, PL_reentrant_buffer->_netent_size, char);
10bc17b6 JH	173	#endif
	174	#endif /* HAS_GETNETBYNAME_R */
	175	#ifdef HAS_GETPROTOBYNAME_R
	176	#if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
a02a5408	177	Newx(PL_reentrant_buffer->_protoent_buffer, PL_reentrant_buffer->_protoent_size, char);
10bc17b6 JH	178	#endif
	179	#endif /* HAS_GETPROTOBYNAME_R */
	180	#ifdef HAS_GETPWNAM_R
f7937171 JH	181	# ifdef USE_PWENT_FPTR
f7937171 JH	182	PL_reentrant_buffer->_pwent_fptr = NULL;
10bc17b6	183	# endif
a02a5408	184	Newx(PL_reentrant_buffer->_pwent_buffer, PL_reentrant_buffer->_pwent_size, char);
10bc17b6 JH	185	#endif /* HAS_GETPWNAM_R */
	186	#ifdef HAS_GETSERVBYNAME_R
	187	#if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD)
a02a5408	188	Newx(PL_reentrant_buffer->_servent_buffer, PL_reentrant_buffer->_servent_size, char);
10bc17b6 JH	189	#endif
	190	#endif /* HAS_GETSERVBYNAME_R */
	191	#ifdef HAS_GETSPNAM_R
f7937171 JH	192	# ifdef USE_SPENT_FPTR
	193	PL_reentrant_buffer->_spent_fptr = NULL;
	194	# endif
a02a5408	195	Newx(PL_reentrant_buffer->_spent_buffer, PL_reentrant_buffer->_spent_size, char);
10bc17b6	196	#endif /* HAS_GETSPNAM_R */
10bc17b6 JH	197	#ifdef HAS_READDIR_R
	198	PL_reentrant_buffer->_readdir_struct = (struct dirent*)safemalloc(PL_reentrant_buffer->_readdir_size);
	199	#endif /* HAS_READDIR_R */
	200	#ifdef HAS_READDIR64_R
	201	PL_reentrant_buffer->_readdir64_struct = (struct dirent64*)safemalloc(PL_reentrant_buffer->_readdir64_size);
	202	#endif /* HAS_READDIR64_R */
	203	#ifdef HAS_SETLOCALE_R
a02a5408	204	Newx(PL_reentrant_buffer->_setlocale_buffer, PL_reentrant_buffer->_setlocale_size, char);
10bc17b6 JH	205	#endif /* HAS_SETLOCALE_R */
10bc17b6 JH	206	#ifdef HAS_STRERROR_R
a02a5408	207	Newx(PL_reentrant_buffer->_strerror_buffer, PL_reentrant_buffer->_strerror_size, char);
10bc17b6 JH	208	#endif /* HAS_STRERROR_R */
10bc17b6 JH	209	#ifdef HAS_TTYNAME_R
a02a5408	210	Newx(PL_reentrant_buffer->_ttyname_buffer, PL_reentrant_buffer->_ttyname_size, char);
10bc17b6 JH	211	#endif /* HAS_TTYNAME_R */
	212
	213	#endif /* USE_REENTRANT_API */
	214	}
	215
	216	void
	217	Perl_reentrant_free(pTHX) {
	218	#ifdef USE_REENTRANT_API
	219	#ifdef HAS_ASCTIME_R
	220	Safefree(PL_reentrant_buffer->_asctime_buffer);
	221	#endif /* HAS_ASCTIME_R */
	222	#ifdef HAS_CRYPT_R
05404ffe JH	223	#if CRYPT_R_PROTO != REENTRANT_PROTO_B_CCD
	224	Safefree(PL_reentrant_buffer->_crypt_struct_buffer);
	225	#endif
10bc17b6 JH	226	#endif /* HAS_CRYPT_R */
	227	#ifdef HAS_CTIME_R
	228	Safefree(PL_reentrant_buffer->_ctime_buffer);
	229	#endif /* HAS_CTIME_R */
10bc17b6	230	#ifdef HAS_GETGRNAM_R
f7937171	231	Safefree(PL_reentrant_buffer->_grent_buffer);
10bc17b6 JH	232	#endif /* HAS_GETGRNAM_R */
	233	#ifdef HAS_GETHOSTBYNAME_R
	234	#if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	235	Safefree(PL_reentrant_buffer->_hostent_buffer);
10bc17b6 JH	236	#endif
	237	#endif /* HAS_GETHOSTBYNAME_R */
	238	#ifdef HAS_GETLOGIN_R
	239	Safefree(PL_reentrant_buffer->_getlogin_buffer);
	240	#endif /* HAS_GETLOGIN_R */
	241	#ifdef HAS_GETNETBYNAME_R
	242	#if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	243	Safefree(PL_reentrant_buffer->_netent_buffer);
10bc17b6 JH	244	#endif
	245	#endif /* HAS_GETNETBYNAME_R */
	246	#ifdef HAS_GETPROTOBYNAME_R
	247	#if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	248	Safefree(PL_reentrant_buffer->_protoent_buffer);
10bc17b6 JH	249	#endif
	250	#endif /* HAS_GETPROTOBYNAME_R */
	251	#ifdef HAS_GETPWNAM_R
f7937171	252	Safefree(PL_reentrant_buffer->_pwent_buffer);
10bc17b6 JH	253	#endif /* HAS_GETPWNAM_R */
	254	#ifdef HAS_GETSERVBYNAME_R
	255	#if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD)
f7937171	256	Safefree(PL_reentrant_buffer->_servent_buffer);
10bc17b6 JH	257	#endif
	258	#endif /* HAS_GETSERVBYNAME_R */
	259	#ifdef HAS_GETSPNAM_R
f7937171	260	Safefree(PL_reentrant_buffer->_spent_buffer);
10bc17b6	261	#endif /* HAS_GETSPNAM_R */
10bc17b6 JH	262	#ifdef HAS_READDIR_R
	263	Safefree(PL_reentrant_buffer->_readdir_struct);
	264	#endif /* HAS_READDIR_R */
	265	#ifdef HAS_READDIR64_R
	266	Safefree(PL_reentrant_buffer->_readdir64_struct);
	267	#endif /* HAS_READDIR64_R */
	268	#ifdef HAS_SETLOCALE_R
	269	Safefree(PL_reentrant_buffer->_setlocale_buffer);
	270	#endif /* HAS_SETLOCALE_R */
	271	#ifdef HAS_STRERROR_R
	272	Safefree(PL_reentrant_buffer->_strerror_buffer);
	273	#endif /* HAS_STRERROR_R */
	274	#ifdef HAS_TTYNAME_R
	275	Safefree(PL_reentrant_buffer->_ttyname_buffer);
	276	#endif /* HAS_TTYNAME_R */
	277
	278	Safefree(PL_reentrant_buffer);
	279	#endif /* USE_REENTRANT_API */
	280	}
	281
edd309b7 JH	282	void*
	283	Perl_reentrant_retry(const char *f, ...)
	284	{
edd309b7	285	void *retptr = NULL;
fe5bfecd	286	va_list ap;
7918f24d	287	#ifdef USE_REENTRANT_API
dbf7dff6	288	dTHX;
7918f24d NC	289	/* Easier to special case this here than in embed.pl. (Look at what it
	290	generates for proto.h) */
	291	PERL_ARGS_ASSERT_REENTRANT_RETRY;
	292	#endif
fe5bfecd	293	va_start(ap, f);
369ec4b2	294	{
edd309b7	295	#ifdef USE_REENTRANT_API
0891a229	296	# 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	297	void *p0;
e3410746 SR	298	# endif
f7937171	299	# if defined(USE_SERVENT_BUFFER)
e3410746 SR	300	void *p1;
e3410746 SR	301	# endif
f7937171	302	# if defined(USE_HOSTENT_BUFFER)
edd309b7	303	size_t asize;
e3410746	304	# endif
f7937171	305	# if defined(USE_HOSTENT_BUFFER) \|\| defined(USE_NETENT_BUFFER) \|\| defined(USE_PROTOENT_BUFFER) \|\| defined(USE_SERVENT_BUFFER)
edd309b7	306	int anint;
e3410746	307	# endif
edd309b7	308
edd309b7	309	switch (PL_op->op_type) {
f7937171	310	#ifdef USE_HOSTENT_BUFFER
edd309b7 JH	311	case OP_GHBYADDR:
	312	case OP_GHBYNAME:
	313	case OP_GHOSTENT:
	314	{
af685957 JH	315	#ifdef PERL_REENTRANT_MAXSIZE
	316	if (PL_reentrant_buffer->_hostent_size <=
	317	PERL_REENTRANT_MAXSIZE / 2)
	318	#endif
	319	{
f7937171 JH	320	PL_reentrant_buffer->_hostent_size *= 2;
	321	Renew(PL_reentrant_buffer->_hostent_buffer,
	322	PL_reentrant_buffer->_hostent_size, char);
edd309b7 JH	323	switch (PL_op->op_type) {
	324	case OP_GHBYADDR:
	325	p0 = va_arg(ap, void *);
	326	asize = va_arg(ap, size_t);
	327	anint = va_arg(ap, int);
	328	retptr = gethostbyaddr(p0, asize, anint); break;
	329	case OP_GHBYNAME:
	330	p0 = va_arg(ap, void *);
f6f0b69b	331	retptr = gethostbyname((char *)p0); break;
edd309b7 JH	332	case OP_GHOSTENT:
	333	retptr = gethostent(); break;
	334	default:
0de8cad8	335	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	336	break;
	337	}
	338	}
	339	}
	340	break;
	341	#endif
f7937171	342	#ifdef USE_GRENT_BUFFER
edd309b7 JH	343	case OP_GGRNAM:
	344	case OP_GGRGID:
	345	case OP_GGRENT:
	346	{
af685957 JH	347	#ifdef PERL_REENTRANT_MAXSIZE
	348	if (PL_reentrant_buffer->_grent_size <=
	349	PERL_REENTRANT_MAXSIZE / 2)
	350	#endif
	351	{
edd309b7	352	Gid_t gid;
f7937171 JH	353	PL_reentrant_buffer->_grent_size *= 2;
	354	Renew(PL_reentrant_buffer->_grent_buffer,
	355	PL_reentrant_buffer->_grent_size, char);
edd309b7 JH	356	switch (PL_op->op_type) {
	357	case OP_GGRNAM:
	358	p0 = va_arg(ap, void *);
f6f0b69b	359	retptr = getgrnam((char *)p0); break;
edd309b7	360	case OP_GGRGID:
ab2b559b JH	361	#if Gid_t_size < INTSIZE
	362	gid = (Gid_t)va_arg(ap, int);
	363	#else
edd309b7	364	gid = va_arg(ap, Gid_t);
ab2b559b	365	#endif
edd309b7 JH	366	retptr = getgrgid(gid); break;
	367	case OP_GGRENT:
	368	retptr = getgrent(); break;
	369	default:
0de8cad8	370	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	371	break;
	372	}
	373	}
	374	}
	375	break;
	376	#endif
f7937171	377	#ifdef USE_NETENT_BUFFER
edd309b7 JH	378	case OP_GNBYADDR:
	379	case OP_GNBYNAME:
	380	case OP_GNETENT:
	381	{
af685957 JH	382	#ifdef PERL_REENTRANT_MAXSIZE
	383	if (PL_reentrant_buffer->_netent_size <=
	384	PERL_REENTRANT_MAXSIZE / 2)
	385	#endif
	386	{
edd309b7	387	Netdb_net_t net;
f7937171 JH	388	PL_reentrant_buffer->_netent_size *= 2;
	389	Renew(PL_reentrant_buffer->_netent_buffer,
	390	PL_reentrant_buffer->_netent_size, char);
edd309b7 JH	391	switch (PL_op->op_type) {
	392	case OP_GNBYADDR:
	393	net = va_arg(ap, Netdb_net_t);
	394	anint = va_arg(ap, int);
	395	retptr = getnetbyaddr(net, anint); break;
	396	case OP_GNBYNAME:
	397	p0 = va_arg(ap, void *);
f6f0b69b	398	retptr = getnetbyname((char *)p0); break;
edd309b7 JH	399	case OP_GNETENT:
	400	retptr = getnetent(); break;
	401	default:
0de8cad8	402	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	403	break;
	404	}
	405	}
	406	}
	407	break;
	408	#endif
f7937171	409	#ifdef USE_PWENT_BUFFER
edd309b7 JH	410	case OP_GPWNAM:
	411	case OP_GPWUID:
	412	case OP_GPWENT:
	413	{
af685957 JH	414	#ifdef PERL_REENTRANT_MAXSIZE
	415	if (PL_reentrant_buffer->_pwent_size <=
	416	PERL_REENTRANT_MAXSIZE / 2)
	417	#endif
	418	{
edd309b7	419	Uid_t uid;
f7937171 JH	420	PL_reentrant_buffer->_pwent_size *= 2;
	421	Renew(PL_reentrant_buffer->_pwent_buffer,
	422	PL_reentrant_buffer->_pwent_size, char);
edd309b7 JH	423	switch (PL_op->op_type) {
	424	case OP_GPWNAM:
	425	p0 = va_arg(ap, void *);
f6f0b69b	426	retptr = getpwnam((char *)p0); break;
edd309b7	427	case OP_GPWUID:
ab2b559b JH	428	#if Uid_t_size < INTSIZE
	429	uid = (Uid_t)va_arg(ap, int);
	430	#else
edd309b7	431	uid = va_arg(ap, Uid_t);
ab2b559b	432	#endif
edd309b7	433	retptr = getpwuid(uid); break;
123829cf	434	#if defined(HAS_GETPWENT) \|\| defined(HAS_GETPWENT_R)
edd309b7 JH	435	case OP_GPWENT:
edd309b7 JH	436	retptr = getpwent(); break;
123829cf	437	#endif
edd309b7	438	default:
0de8cad8	439	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	440	break;
	441	}
	442	}
	443	}
	444	break;
	445	#endif
f7937171	446	#ifdef USE_PROTOENT_BUFFER
edd309b7 JH	447	case OP_GPBYNAME:
	448	case OP_GPBYNUMBER:
	449	case OP_GPROTOENT:
	450	{
af685957 JH	451	#ifdef PERL_REENTRANT_MAXSIZE
	452	if (PL_reentrant_buffer->_protoent_size <=
	453	PERL_REENTRANT_MAXSIZE / 2)
	454	#endif
	455	{
f7937171 JH	456	PL_reentrant_buffer->_protoent_size *= 2;
	457	Renew(PL_reentrant_buffer->_protoent_buffer,
	458	PL_reentrant_buffer->_protoent_size, char);
edd309b7 JH	459	switch (PL_op->op_type) {
	460	case OP_GPBYNAME:
	461	p0 = va_arg(ap, void *);
f6f0b69b	462	retptr = getprotobyname((char *)p0); break;
edd309b7 JH	463	case OP_GPBYNUMBER:
	464	anint = va_arg(ap, int);
	465	retptr = getprotobynumber(anint); break;
	466	case OP_GPROTOENT:
	467	retptr = getprotoent(); break;
	468	default:
0de8cad8	469	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	470	break;
	471	}
	472	}
	473	}
	474	break;
	475	#endif
f7937171	476	#ifdef USE_SERVENT_BUFFER
edd309b7 JH	477	case OP_GSBYNAME:
	478	case OP_GSBYPORT:
	479	case OP_GSERVENT:
	480	{
af685957 JH	481	#ifdef PERL_REENTRANT_MAXSIZE
	482	if (PL_reentrant_buffer->_servent_size <=
	483	PERL_REENTRANT_MAXSIZE / 2)
	484	#endif
	485	{
f7937171 JH	486	PL_reentrant_buffer->_servent_size *= 2;
	487	Renew(PL_reentrant_buffer->_servent_buffer,
	488	PL_reentrant_buffer->_servent_size, char);
edd309b7 JH	489	switch (PL_op->op_type) {
	490	case OP_GSBYNAME:
	491	p0 = va_arg(ap, void *);
	492	p1 = va_arg(ap, void *);
f6f0b69b	493	retptr = getservbyname((char )p0, (char )p1); break;
edd309b7 JH	494	case OP_GSBYPORT:
	495	anint = va_arg(ap, int);
	496	p0 = va_arg(ap, void *);
f6f0b69b	497	retptr = getservbyport(anint, (char *)p0); break;
edd309b7 JH	498	case OP_GSERVENT:
	499	retptr = getservent(); break;
	500	default:
0de8cad8	501	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	502	break;
	503	}
	504	}
	505	}
	506	break;
	507	#endif
	508	default:
	509	/* Not known how to retry, so just fail. */
	510	break;
	511	}
6148ee25 SP	512	#else
6148ee25 SP	513	PERL_UNUSED_ARG(f);
edd309b7	514	#endif
369ec4b2	515	}
fe5bfecd	516	va_end(ap);
edd309b7 JH	517	return retptr;
	518	}
	519
37442d52	520	/* ex: set ro: */