[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) {
	PERL_UNUSED_CONTEXT;
#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) {
	PERL_UNUSED_CONTEXT;
#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) {
	PERL_UNUSED_CONTEXT;
#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) {
23491f1d	32	PERL_UNUSED_CONTEXT;
10bc17b6	33	#ifdef USE_REENTRANT_API
8695fa85 SR	34	#define REENTRANTSMALLSIZE 256 /* Make something up. */
8695fa85 SR	35	#define REENTRANTUSUALSIZE 4096 /* Make something up. */
10bc17b6	36	#ifdef HAS_ASCTIME_R
8695fa85	37	PL_reentrant_buffer->_asctime_size = REENTRANTSMALLSIZE;
10bc17b6 JH	38	#endif /* HAS_ASCTIME_R */
	39	#ifdef HAS_CRYPT_R
	40	#endif /* HAS_CRYPT_R */
	41	#ifdef HAS_CTIME_R
8695fa85	42	PL_reentrant_buffer->_ctime_size = REENTRANTSMALLSIZE;
10bc17b6	43	#endif /* HAS_CTIME_R */
10bc17b6	44	#ifdef HAS_GETGRNAM_R
0de8cad8 RGS	45	# if defined(HAS_SYSCONF) && defined(_SC_GETGR_R_SIZE_MAX) && !defined(__GLIBC__)
0de8cad8 RGS	46	PL_reentrant_buffer->_grent_size = sysconf(_SC_GETGR_R_SIZE_MAX);
a3dd3f83	47	if (PL_reentrant_buffer->_grent_size == (size_t) -1)
0de8cad8	48	PL_reentrant_buffer->_grent_size = REENTRANTUSUALSIZE;
10bc17b6 JH	49	# else
10bc17b6 JH	50	# if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
f7937171	51	PL_reentrant_buffer->_grent_size = SIABUFSIZ;
10bc17b6 JH	52	# else
10bc17b6 JH	53	# ifdef __sgi
f7937171	54	PL_reentrant_buffer->_grent_size = BUFSIZ;
10bc17b6	55	# else
f7937171	56	PL_reentrant_buffer->_grent_size = REENTRANTUSUALSIZE;
10bc17b6 JH	57	# endif
	58	# endif
	59	# endif
	60	#endif /* HAS_GETGRNAM_R */
	61	#ifdef HAS_GETHOSTBYNAME_R
	62	#if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	63	PL_reentrant_buffer->_hostent_size = REENTRANTUSUALSIZE;
10bc17b6 JH	64	#endif
	65	#endif /* HAS_GETHOSTBYNAME_R */
	66	#ifdef HAS_GETLOGIN_R
8695fa85	67	PL_reentrant_buffer->_getlogin_size = REENTRANTSMALLSIZE;
10bc17b6 JH	68	#endif /* HAS_GETLOGIN_R */
	69	#ifdef HAS_GETNETBYNAME_R
	70	#if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	71	PL_reentrant_buffer->_netent_size = REENTRANTUSUALSIZE;
10bc17b6 JH	72	#endif
	73	#endif /* HAS_GETNETBYNAME_R */
	74	#ifdef HAS_GETPROTOBYNAME_R
	75	#if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	76	PL_reentrant_buffer->_protoent_size = REENTRANTUSUALSIZE;
10bc17b6 JH	77	#endif
	78	#endif /* HAS_GETPROTOBYNAME_R */
	79	#ifdef HAS_GETPWNAM_R
	80	# if defined(HAS_SYSCONF) && defined(_SC_GETPW_R_SIZE_MAX) && !defined(__GLIBC__)
f7937171	81	PL_reentrant_buffer->_pwent_size = sysconf(_SC_GETPW_R_SIZE_MAX);
a3dd3f83	82	if (PL_reentrant_buffer->_pwent_size == (size_t) -1)
f7937171	83	PL_reentrant_buffer->_pwent_size = REENTRANTUSUALSIZE;
10bc17b6 JH	84	# else
10bc17b6 JH	85	# if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
f7937171	86	PL_reentrant_buffer->_pwent_size = SIABUFSIZ;
10bc17b6 JH	87	# else
10bc17b6 JH	88	# ifdef __sgi
f7937171	89	PL_reentrant_buffer->_pwent_size = BUFSIZ;
10bc17b6	90	# else
f7937171	91	PL_reentrant_buffer->_pwent_size = REENTRANTUSUALSIZE;
10bc17b6 JH	92	# endif
	93	# endif
	94	# endif
	95	#endif /* HAS_GETPWNAM_R */
	96	#ifdef HAS_GETSERVBYNAME_R
	97	#if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD)
f7937171	98	PL_reentrant_buffer->_servent_size = REENTRANTUSUALSIZE;
10bc17b6 JH	99	#endif
	100	#endif /* HAS_GETSERVBYNAME_R */
	101	#ifdef HAS_GETSPNAM_R
f7937171 JH	102	# if defined(HAS_SYSCONF) && defined(_SC_GETPW_R_SIZE_MAX) && !defined(__GLIBC__)
f7937171 JH	103	PL_reentrant_buffer->_spent_size = sysconf(_SC_GETPW_R_SIZE_MAX);
a3dd3f83	104	if (PL_reentrant_buffer->_spent_size == (size_t) -1)
0de8cad8	105	PL_reentrant_buffer->_spent_size = REENTRANTUSUALSIZE;
f7937171 JH	106	# else
	107	# if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
	108	PL_reentrant_buffer->_spent_size = SIABUFSIZ;
	109	# else
	110	# ifdef __sgi
	111	PL_reentrant_buffer->_spent_size = BUFSIZ;
	112	# else
	113	PL_reentrant_buffer->_spent_size = REENTRANTUSUALSIZE;
	114	# endif
	115	# endif
	116	# endif
10bc17b6	117	#endif /* HAS_GETSPNAM_R */
10bc17b6 JH	118	#ifdef HAS_READDIR_R
	119	/* This is the size Solaris recommends.
	120	* (though we go static, should use pathconf() instead) */
	121	PL_reentrant_buffer->_readdir_size = sizeof(struct dirent) + MAXPATHLEN + 1;
	122	#endif /* HAS_READDIR_R */
	123	#ifdef HAS_READDIR64_R
	124	/* This is the size Solaris recommends.
	125	* (though we go static, should use pathconf() instead) */
	126	PL_reentrant_buffer->_readdir64_size = sizeof(struct dirent64) + MAXPATHLEN + 1;
	127	#endif /* HAS_READDIR64_R */
	128	#ifdef HAS_SETLOCALE_R
8695fa85	129	PL_reentrant_buffer->_setlocale_size = REENTRANTSMALLSIZE;
10bc17b6 JH	130	#endif /* HAS_SETLOCALE_R */
10bc17b6 JH	131	#ifdef HAS_STRERROR_R
8695fa85	132	PL_reentrant_buffer->_strerror_size = REENTRANTSMALLSIZE;
10bc17b6 JH	133	#endif /* HAS_STRERROR_R */
10bc17b6 JH	134	#ifdef HAS_TTYNAME_R
8695fa85	135	PL_reentrant_buffer->_ttyname_size = REENTRANTSMALLSIZE;
10bc17b6 JH	136	#endif /* HAS_TTYNAME_R */
	137
	138	#endif /* USE_REENTRANT_API */
	139	}
	140
	141	void
	142	Perl_reentrant_init(pTHX) {
23491f1d	143	PERL_UNUSED_CONTEXT;
10bc17b6	144	#ifdef USE_REENTRANT_API
a02a5408	145	Newx(PL_reentrant_buffer, 1, REENTR);
10bc17b6 JH	146	Perl_reentrant_size(aTHX);
10bc17b6 JH	147	#ifdef HAS_ASCTIME_R
a02a5408	148	Newx(PL_reentrant_buffer->_asctime_buffer, PL_reentrant_buffer->_asctime_size, char);
10bc17b6 JH	149	#endif /* HAS_ASCTIME_R */
10bc17b6 JH	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
a02a5408	156	Newx(PL_reentrant_buffer->_ctime_buffer, PL_reentrant_buffer->_ctime_size, char);
10bc17b6	157	#endif /* HAS_CTIME_R */
10bc17b6	158	#ifdef HAS_GETGRNAM_R
f7937171 JH	159	# ifdef USE_GRENT_FPTR
f7937171 JH	160	PL_reentrant_buffer->_grent_fptr = NULL;
10bc17b6	161	# endif
a02a5408	162	Newx(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)
a02a5408	166	Newx(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
a02a5408	170	Newx(PL_reentrant_buffer->_getlogin_buffer, PL_reentrant_buffer->_getlogin_size, char);
10bc17b6 JH	171	#endif /* HAS_GETLOGIN_R */
	172	#ifdef HAS_GETNETBYNAME_R
	173	#if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
a02a5408	174	Newx(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)
a02a5408	179	Newx(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
a02a5408	186	Newx(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)
a02a5408	190	Newx(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
a02a5408	197	Newx(PL_reentrant_buffer->_spent_buffer, PL_reentrant_buffer->_spent_size, char);
10bc17b6	198	#endif /* HAS_GETSPNAM_R */
10bc17b6 JH	199	#ifdef HAS_READDIR_R
	200	PL_reentrant_buffer->_readdir_struct = (struct dirent*)safemalloc(PL_reentrant_buffer->_readdir_size);
	201	#endif /* HAS_READDIR_R */
	202	#ifdef HAS_READDIR64_R
	203	PL_reentrant_buffer->_readdir64_struct = (struct dirent64*)safemalloc(PL_reentrant_buffer->_readdir64_size);
	204	#endif /* HAS_READDIR64_R */
	205	#ifdef HAS_SETLOCALE_R
a02a5408	206	Newx(PL_reentrant_buffer->_setlocale_buffer, PL_reentrant_buffer->_setlocale_size, char);
10bc17b6 JH	207	#endif /* HAS_SETLOCALE_R */
10bc17b6 JH	208	#ifdef HAS_STRERROR_R
a02a5408	209	Newx(PL_reentrant_buffer->_strerror_buffer, PL_reentrant_buffer->_strerror_size, char);
10bc17b6 JH	210	#endif /* HAS_STRERROR_R */
10bc17b6 JH	211	#ifdef HAS_TTYNAME_R
a02a5408	212	Newx(PL_reentrant_buffer->_ttyname_buffer, PL_reentrant_buffer->_ttyname_size, char);
10bc17b6 JH	213	#endif /* HAS_TTYNAME_R */
	214
	215	#endif /* USE_REENTRANT_API */
	216	}
	217
	218	void
	219	Perl_reentrant_free(pTHX) {
23491f1d	220	PERL_UNUSED_CONTEXT;
10bc17b6 JH	221	#ifdef USE_REENTRANT_API
	222	#ifdef HAS_ASCTIME_R
	223	Safefree(PL_reentrant_buffer->_asctime_buffer);
	224	#endif /* HAS_ASCTIME_R */
	225	#ifdef HAS_CRYPT_R
05404ffe JH	226	#if CRYPT_R_PROTO != REENTRANT_PROTO_B_CCD
	227	Safefree(PL_reentrant_buffer->_crypt_struct_buffer);
	228	#endif
10bc17b6 JH	229	#endif /* HAS_CRYPT_R */
	230	#ifdef HAS_CTIME_R
	231	Safefree(PL_reentrant_buffer->_ctime_buffer);
	232	#endif /* HAS_CTIME_R */
10bc17b6	233	#ifdef HAS_GETGRNAM_R
f7937171	234	Safefree(PL_reentrant_buffer->_grent_buffer);
10bc17b6 JH	235	#endif /* HAS_GETGRNAM_R */
	236	#ifdef HAS_GETHOSTBYNAME_R
	237	#if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	238	Safefree(PL_reentrant_buffer->_hostent_buffer);
10bc17b6 JH	239	#endif
	240	#endif /* HAS_GETHOSTBYNAME_R */
	241	#ifdef HAS_GETLOGIN_R
	242	Safefree(PL_reentrant_buffer->_getlogin_buffer);
	243	#endif /* HAS_GETLOGIN_R */
	244	#ifdef HAS_GETNETBYNAME_R
	245	#if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	246	Safefree(PL_reentrant_buffer->_netent_buffer);
10bc17b6 JH	247	#endif
	248	#endif /* HAS_GETNETBYNAME_R */
	249	#ifdef HAS_GETPROTOBYNAME_R
	250	#if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	251	Safefree(PL_reentrant_buffer->_protoent_buffer);
10bc17b6 JH	252	#endif
	253	#endif /* HAS_GETPROTOBYNAME_R */
	254	#ifdef HAS_GETPWNAM_R
f7937171	255	Safefree(PL_reentrant_buffer->_pwent_buffer);
10bc17b6 JH	256	#endif /* HAS_GETPWNAM_R */
	257	#ifdef HAS_GETSERVBYNAME_R
	258	#if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD)
f7937171	259	Safefree(PL_reentrant_buffer->_servent_buffer);
10bc17b6 JH	260	#endif
	261	#endif /* HAS_GETSERVBYNAME_R */
	262	#ifdef HAS_GETSPNAM_R
f7937171	263	Safefree(PL_reentrant_buffer->_spent_buffer);
10bc17b6	264	#endif /* HAS_GETSPNAM_R */
10bc17b6 JH	265	#ifdef HAS_READDIR_R
	266	Safefree(PL_reentrant_buffer->_readdir_struct);
	267	#endif /* HAS_READDIR_R */
	268	#ifdef HAS_READDIR64_R
	269	Safefree(PL_reentrant_buffer->_readdir64_struct);
	270	#endif /* HAS_READDIR64_R */
	271	#ifdef HAS_SETLOCALE_R
	272	Safefree(PL_reentrant_buffer->_setlocale_buffer);
	273	#endif /* HAS_SETLOCALE_R */
	274	#ifdef HAS_STRERROR_R
	275	Safefree(PL_reentrant_buffer->_strerror_buffer);
	276	#endif /* HAS_STRERROR_R */
	277	#ifdef HAS_TTYNAME_R
	278	Safefree(PL_reentrant_buffer->_ttyname_buffer);
	279	#endif /* HAS_TTYNAME_R */
	280
	281	Safefree(PL_reentrant_buffer);
	282	#endif /* USE_REENTRANT_API */
	283	}
	284
edd309b7 JH	285	void*
	286	Perl_reentrant_retry(const char *f, ...)
	287	{
edd309b7	288	void *retptr = NULL;
fe5bfecd	289	va_list ap;
7918f24d	290	#ifdef USE_REENTRANT_API
dbf7dff6	291	dTHX;
7918f24d NC	292	/* Easier to special case this here than in embed.pl. (Look at what it
	293	generates for proto.h) */
	294	PERL_ARGS_ASSERT_REENTRANT_RETRY;
	295	#endif
fe5bfecd	296	va_start(ap, f);
369ec4b2	297	{
edd309b7	298	#ifdef USE_REENTRANT_API
0891a229	299	# 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	300	void *p0;
e3410746 SR	301	# endif
f7937171	302	# if defined(USE_SERVENT_BUFFER)
e3410746 SR	303	void *p1;
e3410746 SR	304	# endif
f7937171	305	# if defined(USE_HOSTENT_BUFFER)
edd309b7	306	size_t asize;
e3410746	307	# endif
f7937171	308	# if defined(USE_HOSTENT_BUFFER) \|\| defined(USE_NETENT_BUFFER) \|\| defined(USE_PROTOENT_BUFFER) \|\| defined(USE_SERVENT_BUFFER)
edd309b7	309	int anint;
e3410746	310	# endif
edd309b7	311
edd309b7	312	switch (PL_op->op_type) {
f7937171	313	#ifdef USE_HOSTENT_BUFFER
edd309b7 JH	314	case OP_GHBYADDR:
	315	case OP_GHBYNAME:
	316	case OP_GHOSTENT:
	317	{
af685957 JH	318	#ifdef PERL_REENTRANT_MAXSIZE
	319	if (PL_reentrant_buffer->_hostent_size <=
	320	PERL_REENTRANT_MAXSIZE / 2)
	321	#endif
	322	{
f7937171 JH	323	PL_reentrant_buffer->_hostent_size *= 2;
	324	Renew(PL_reentrant_buffer->_hostent_buffer,
	325	PL_reentrant_buffer->_hostent_size, char);
edd309b7 JH	326	switch (PL_op->op_type) {
	327	case OP_GHBYADDR:
	328	p0 = va_arg(ap, void *);
	329	asize = va_arg(ap, size_t);
	330	anint = va_arg(ap, int);
	331	retptr = gethostbyaddr(p0, asize, anint); break;
	332	case OP_GHBYNAME:
	333	p0 = va_arg(ap, void *);
f6f0b69b	334	retptr = gethostbyname((char *)p0); break;
edd309b7 JH	335	case OP_GHOSTENT:
	336	retptr = gethostent(); break;
	337	default:
0de8cad8	338	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	339	break;
	340	}
	341	}
	342	}
	343	break;
	344	#endif
f7937171	345	#ifdef USE_GRENT_BUFFER
edd309b7 JH	346	case OP_GGRNAM:
	347	case OP_GGRGID:
	348	case OP_GGRENT:
	349	{
af685957 JH	350	#ifdef PERL_REENTRANT_MAXSIZE
	351	if (PL_reentrant_buffer->_grent_size <=
	352	PERL_REENTRANT_MAXSIZE / 2)
	353	#endif
	354	{
edd309b7	355	Gid_t gid;
f7937171 JH	356	PL_reentrant_buffer->_grent_size *= 2;
	357	Renew(PL_reentrant_buffer->_grent_buffer,
	358	PL_reentrant_buffer->_grent_size, char);
edd309b7 JH	359	switch (PL_op->op_type) {
	360	case OP_GGRNAM:
	361	p0 = va_arg(ap, void *);
f6f0b69b	362	retptr = getgrnam((char *)p0); break;
edd309b7	363	case OP_GGRGID:
ab2b559b JH	364	#if Gid_t_size < INTSIZE
	365	gid = (Gid_t)va_arg(ap, int);
	366	#else
edd309b7	367	gid = va_arg(ap, Gid_t);
ab2b559b	368	#endif
edd309b7 JH	369	retptr = getgrgid(gid); break;
	370	case OP_GGRENT:
	371	retptr = getgrent(); break;
	372	default:
0de8cad8	373	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	374	break;
	375	}
	376	}
	377	}
	378	break;
	379	#endif
f7937171	380	#ifdef USE_NETENT_BUFFER
edd309b7 JH	381	case OP_GNBYADDR:
	382	case OP_GNBYNAME:
	383	case OP_GNETENT:
	384	{
af685957 JH	385	#ifdef PERL_REENTRANT_MAXSIZE
	386	if (PL_reentrant_buffer->_netent_size <=
	387	PERL_REENTRANT_MAXSIZE / 2)
	388	#endif
	389	{
edd309b7	390	Netdb_net_t net;
f7937171 JH	391	PL_reentrant_buffer->_netent_size *= 2;
	392	Renew(PL_reentrant_buffer->_netent_buffer,
	393	PL_reentrant_buffer->_netent_size, char);
edd309b7 JH	394	switch (PL_op->op_type) {
	395	case OP_GNBYADDR:
	396	net = va_arg(ap, Netdb_net_t);
	397	anint = va_arg(ap, int);
	398	retptr = getnetbyaddr(net, anint); break;
	399	case OP_GNBYNAME:
	400	p0 = va_arg(ap, void *);
f6f0b69b	401	retptr = getnetbyname((char *)p0); break;
edd309b7 JH	402	case OP_GNETENT:
	403	retptr = getnetent(); break;
	404	default:
0de8cad8	405	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	406	break;
	407	}
	408	}
	409	}
	410	break;
	411	#endif
f7937171	412	#ifdef USE_PWENT_BUFFER
edd309b7 JH	413	case OP_GPWNAM:
	414	case OP_GPWUID:
	415	case OP_GPWENT:
	416	{
af685957 JH	417	#ifdef PERL_REENTRANT_MAXSIZE
	418	if (PL_reentrant_buffer->_pwent_size <=
	419	PERL_REENTRANT_MAXSIZE / 2)
	420	#endif
	421	{
edd309b7	422	Uid_t uid;
f7937171 JH	423	PL_reentrant_buffer->_pwent_size *= 2;
	424	Renew(PL_reentrant_buffer->_pwent_buffer,
	425	PL_reentrant_buffer->_pwent_size, char);
edd309b7 JH	426	switch (PL_op->op_type) {
	427	case OP_GPWNAM:
	428	p0 = va_arg(ap, void *);
f6f0b69b	429	retptr = getpwnam((char *)p0); break;
edd309b7	430	case OP_GPWUID:
ab2b559b JH	431	#if Uid_t_size < INTSIZE
	432	uid = (Uid_t)va_arg(ap, int);
	433	#else
edd309b7	434	uid = va_arg(ap, Uid_t);
ab2b559b	435	#endif
edd309b7	436	retptr = getpwuid(uid); break;
123829cf	437	#if defined(HAS_GETPWENT) \|\| defined(HAS_GETPWENT_R)
edd309b7 JH	438	case OP_GPWENT:
edd309b7 JH	439	retptr = getpwent(); break;
123829cf	440	#endif
edd309b7	441	default:
0de8cad8	442	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	443	break;
	444	}
	445	}
	446	}
	447	break;
	448	#endif
f7937171	449	#ifdef USE_PROTOENT_BUFFER
edd309b7 JH	450	case OP_GPBYNAME:
	451	case OP_GPBYNUMBER:
	452	case OP_GPROTOENT:
	453	{
af685957 JH	454	#ifdef PERL_REENTRANT_MAXSIZE
	455	if (PL_reentrant_buffer->_protoent_size <=
	456	PERL_REENTRANT_MAXSIZE / 2)
	457	#endif
	458	{
f7937171 JH	459	PL_reentrant_buffer->_protoent_size *= 2;
	460	Renew(PL_reentrant_buffer->_protoent_buffer,
	461	PL_reentrant_buffer->_protoent_size, char);
edd309b7 JH	462	switch (PL_op->op_type) {
	463	case OP_GPBYNAME:
	464	p0 = va_arg(ap, void *);
f6f0b69b	465	retptr = getprotobyname((char *)p0); break;
edd309b7 JH	466	case OP_GPBYNUMBER:
	467	anint = va_arg(ap, int);
	468	retptr = getprotobynumber(anint); break;
	469	case OP_GPROTOENT:
	470	retptr = getprotoent(); break;
	471	default:
0de8cad8	472	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	473	break;
	474	}
	475	}
	476	}
	477	break;
	478	#endif
f7937171	479	#ifdef USE_SERVENT_BUFFER
edd309b7 JH	480	case OP_GSBYNAME:
	481	case OP_GSBYPORT:
	482	case OP_GSERVENT:
	483	{
af685957 JH	484	#ifdef PERL_REENTRANT_MAXSIZE
	485	if (PL_reentrant_buffer->_servent_size <=
	486	PERL_REENTRANT_MAXSIZE / 2)
	487	#endif
	488	{
f7937171 JH	489	PL_reentrant_buffer->_servent_size *= 2;
	490	Renew(PL_reentrant_buffer->_servent_buffer,
	491	PL_reentrant_buffer->_servent_size, char);
edd309b7 JH	492	switch (PL_op->op_type) {
	493	case OP_GSBYNAME:
	494	p0 = va_arg(ap, void *);
	495	p1 = va_arg(ap, void *);
f6f0b69b	496	retptr = getservbyname((char )p0, (char )p1); break;
edd309b7 JH	497	case OP_GSBYPORT:
	498	anint = va_arg(ap, int);
	499	p0 = va_arg(ap, void *);
f6f0b69b	500	retptr = getservbyport(anint, (char *)p0); break;
edd309b7 JH	501	case OP_GSERVENT:
	502	retptr = getservent(); break;
	503	default:
0de8cad8	504	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	505	break;
	506	}
	507	}
	508	}
	509	break;
	510	#endif
	511	default:
	512	/* Not known how to retry, so just fail. */
	513	break;
	514	}
6148ee25 SP	515	#else
6148ee25 SP	516	PERL_UNUSED_ARG(f);
edd309b7	517	#endif
369ec4b2	518	}
fe5bfecd	519	va_end(ap);
edd309b7 JH	520	return retptr;
	521	}
	522
37442d52	523	/* ex: set ro: */