[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 reentr.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!"
 *
 * 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_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 == (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_GMTIME_R
#endif /* HAS_GMTIME_R */
#ifdef HAS_LOCALTIME_R
#endif /* HAS_LOCALTIME_R */
#ifdef HAS_RANDOM_R
#endif /* HAS_RANDOM_R */
#ifdef HAS_READDIR_R
	/* This is the size Solaris recommends.
	 * (though we go static, should use pathconf() instead) */
	PL_reentrant_buffer->_readdir_size = sizeof(struct dirent) + MAXPATHLEN + 1;
#endif /* HAS_READDIR_R */
#ifdef HAS_READDIR64_R
	/* This is the size Solaris recommends.
	 * (though we go static, should use pathconf() instead) */
	PL_reentrant_buffer->_readdir64_size = sizeof(struct dirent64) + MAXPATHLEN + 1;
#endif /* HAS_READDIR64_R */
#ifdef HAS_SETLOCALE_R
	PL_reentrant_buffer->_setlocale_size = REENTRANTSMALLSIZE;
#endif /* HAS_SETLOCALE_R */
#ifdef HAS_SRANDOM_R
#endif /* HAS_SRANDOM_R */
#ifdef HAS_STRERROR_R
	PL_reentrant_buffer->_strerror_size = REENTRANTSMALLSIZE;
#endif /* HAS_STRERROR_R */
#ifdef HAS_TTYNAME_R
	PL_reentrant_buffer->_ttyname_size = REENTRANTSMALLSIZE;
#endif /* HAS_TTYNAME_R */

#endif /* USE_REENTRANT_API */
}

void
Perl_reentrant_init(pTHX) {
#ifdef USE_REENTRANT_API
	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_DRAND48_R
#endif /* HAS_DRAND48_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_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
	Newx(PL_reentrant_buffer->_setlocale_buffer, PL_reentrant_buffer->_setlocale_size, char);
#endif /* HAS_SETLOCALE_R */
#ifdef HAS_SRANDOM_R
#endif /* HAS_SRANDOM_R */
#ifdef HAS_STRERROR_R
	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_DRAND48_R
#endif /* HAS_DRAND48_R */
#ifdef HAS_GETGRNAM_R
	Safefree(PL_reentrant_buffer->_grent_buffer);
#endif /* HAS_GETGRNAM_R */
#ifdef HAS_GETHOSTBYNAME_R
#if   !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
	Safefree(PL_reentrant_buffer->_hostent_buffer);
#endif
#endif /* HAS_GETHOSTBYNAME_R */
#ifdef HAS_GETLOGIN_R
	Safefree(PL_reentrant_buffer->_getlogin_buffer);
#endif /* HAS_GETLOGIN_R */
#ifdef HAS_GETNETBYNAME_R
#if   !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
	Safefree(PL_reentrant_buffer->_netent_buffer);
#endif
#endif /* HAS_GETNETBYNAME_R */
#ifdef HAS_GETPROTOBYNAME_R
#if   !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
	Safefree(PL_reentrant_buffer->_protoent_buffer);
#endif
#endif /* HAS_GETPROTOBYNAME_R */
#ifdef HAS_GETPWNAM_R
	Safefree(PL_reentrant_buffer->_pwent_buffer);
#endif /* HAS_GETPWNAM_R */
#ifdef HAS_GETSERVBYNAME_R
#if   !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD)
	Safefree(PL_reentrant_buffer->_servent_buffer);
#endif
#endif /* HAS_GETSERVBYNAME_R */
#ifdef HAS_GETSPNAM_R
	Safefree(PL_reentrant_buffer->_spent_buffer);
#endif /* HAS_GETSPNAM_R */
#ifdef HAS_GMTIME_R
#endif /* HAS_GMTIME_R */
#ifdef HAS_LOCALTIME_R
#endif /* HAS_LOCALTIME_R */
#ifdef HAS_RANDOM_R
#endif /* HAS_RANDOM_R */
#ifdef HAS_READDIR_R
	Safefree(PL_reentrant_buffer->_readdir_struct);
#endif /* HAS_READDIR_R */
#ifdef HAS_READDIR64_R
	Safefree(PL_reentrant_buffer->_readdir64_struct);
#endif /* HAS_READDIR64_R */
#ifdef HAS_SETLOCALE_R
	Safefree(PL_reentrant_buffer->_setlocale_buffer);
#endif /* HAS_SETLOCALE_R */
#ifdef HAS_SRANDOM_R
#endif /* HAS_SRANDOM_R */
#ifdef HAS_STRERROR_R
	Safefree(PL_reentrant_buffer->_strerror_buffer);
#endif /* HAS_STRERROR_R */
#ifdef HAS_TTYNAME_R
	Safefree(PL_reentrant_buffer->_ttyname_buffer);
#endif /* HAS_TTYNAME_R */

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

void*
Perl_reentrant_retry(const char *f, ...)
{
    dTHX;
    void *retptr = NULL;
    va_list ap;
#ifdef USE_REENTRANT_API
    /* 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;
	        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((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	*
	10	* !!!!!!! DO NOT EDIT THIS FILE !!!!!!!
61296642	11	* This file is built by reentr.pl from data in reentr.pl.
10bc17b6 JH	12	*
	13	* "Saruman," I said, standing away from him, "only one hand at a time can
	14	* wield the One, and you know that well, so do not trouble to say we!"
	15	*
61296642 DM	16	* This file contains a collection of automatically created wrappers
	17	* (created by running reentr.pl) for reentrant (thread-safe) versions of
	18	* various library calls, such as getpwent_r. The wrapping is done so
	19	* that other files like pp_sys.c calling those library functions need not
	20	* care about the differences between various platforms' idiosyncrasies
	21	* regarding these reentrant interfaces.
10bc17b6 JH	22	*/
	23
	24	#include "EXTERN.h"
	25	#define PERL_IN_REENTR_C
	26	#include "perl.h"
	27	#include "reentr.h"
	28
	29	void
	30	Perl_reentrant_size(pTHX) {
	31	#ifdef USE_REENTRANT_API
8695fa85 SR	32	#define REENTRANTSMALLSIZE 256 /* Make something up. */
8695fa85 SR	33	#define REENTRANTUSUALSIZE 4096 /* Make something up. */
10bc17b6	34	#ifdef HAS_ASCTIME_R
8695fa85	35	PL_reentrant_buffer->_asctime_size = REENTRANTSMALLSIZE;
10bc17b6 JH	36	#endif /* HAS_ASCTIME_R */
	37	#ifdef HAS_CRYPT_R
	38	#endif /* HAS_CRYPT_R */
	39	#ifdef HAS_CTIME_R
8695fa85	40	PL_reentrant_buffer->_ctime_size = REENTRANTSMALLSIZE;
10bc17b6 JH	41	#endif /* HAS_CTIME_R */
	42	#ifdef HAS_DRAND48_R
	43	#endif /* HAS_DRAND48_R */
	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 JH	117	#endif /* HAS_GETSPNAM_R */
	118	#ifdef HAS_GMTIME_R
	119	#endif /* HAS_GMTIME_R */
	120	#ifdef HAS_LOCALTIME_R
	121	#endif /* HAS_LOCALTIME_R */
	122	#ifdef HAS_RANDOM_R
	123	#endif /* HAS_RANDOM_R */
	124	#ifdef HAS_READDIR_R
	125	/* This is the size Solaris recommends.
	126	* (though we go static, should use pathconf() instead) */
	127	PL_reentrant_buffer->_readdir_size = sizeof(struct dirent) + MAXPATHLEN + 1;
	128	#endif /* HAS_READDIR_R */
	129	#ifdef HAS_READDIR64_R
	130	/* This is the size Solaris recommends.
	131	* (though we go static, should use pathconf() instead) */
	132	PL_reentrant_buffer->_readdir64_size = sizeof(struct dirent64) + MAXPATHLEN + 1;
	133	#endif /* HAS_READDIR64_R */
	134	#ifdef HAS_SETLOCALE_R
8695fa85	135	PL_reentrant_buffer->_setlocale_size = REENTRANTSMALLSIZE;
10bc17b6	136	#endif /* HAS_SETLOCALE_R */
5cb13b8d JD	137	#ifdef HAS_SRANDOM_R
5cb13b8d JD	138	#endif /* HAS_SRANDOM_R */
10bc17b6	139	#ifdef HAS_STRERROR_R
8695fa85	140	PL_reentrant_buffer->_strerror_size = REENTRANTSMALLSIZE;
10bc17b6 JH	141	#endif /* HAS_STRERROR_R */
10bc17b6 JH	142	#ifdef HAS_TTYNAME_R
8695fa85	143	PL_reentrant_buffer->_ttyname_size = REENTRANTSMALLSIZE;
10bc17b6 JH	144	#endif /* HAS_TTYNAME_R */
	145
	146	#endif /* USE_REENTRANT_API */
	147	}
	148
	149	void
	150	Perl_reentrant_init(pTHX) {
	151	#ifdef USE_REENTRANT_API
a02a5408	152	Newx(PL_reentrant_buffer, 1, REENTR);
10bc17b6 JH	153	Perl_reentrant_size(aTHX);
10bc17b6 JH	154	#ifdef HAS_ASCTIME_R
a02a5408	155	Newx(PL_reentrant_buffer->_asctime_buffer, PL_reentrant_buffer->_asctime_size, char);
10bc17b6 JH	156	#endif /* HAS_ASCTIME_R */
10bc17b6 JH	157	#ifdef HAS_CRYPT_R
05404ffe JH	158	#if CRYPT_R_PROTO != REENTRANT_PROTO_B_CCD
05404ffe JH	159	PL_reentrant_buffer->_crypt_struct_buffer = 0;
10bc17b6 JH	160	#endif
	161	#endif /* HAS_CRYPT_R */
	162	#ifdef HAS_CTIME_R
a02a5408	163	Newx(PL_reentrant_buffer->_ctime_buffer, PL_reentrant_buffer->_ctime_size, char);
10bc17b6 JH	164	#endif /* HAS_CTIME_R */
	165	#ifdef HAS_DRAND48_R
	166	#endif /* HAS_DRAND48_R */
	167	#ifdef HAS_GETGRNAM_R
f7937171 JH	168	# ifdef USE_GRENT_FPTR
f7937171 JH	169	PL_reentrant_buffer->_grent_fptr = NULL;
10bc17b6	170	# endif
a02a5408	171	Newx(PL_reentrant_buffer->_grent_buffer, PL_reentrant_buffer->_grent_size, char);
10bc17b6 JH	172	#endif /* HAS_GETGRNAM_R */
	173	#ifdef HAS_GETHOSTBYNAME_R
	174	#if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
a02a5408	175	Newx(PL_reentrant_buffer->_hostent_buffer, PL_reentrant_buffer->_hostent_size, char);
10bc17b6 JH	176	#endif
	177	#endif /* HAS_GETHOSTBYNAME_R */
	178	#ifdef HAS_GETLOGIN_R
a02a5408	179	Newx(PL_reentrant_buffer->_getlogin_buffer, PL_reentrant_buffer->_getlogin_size, char);
10bc17b6 JH	180	#endif /* HAS_GETLOGIN_R */
	181	#ifdef HAS_GETNETBYNAME_R
	182	#if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
a02a5408	183	Newx(PL_reentrant_buffer->_netent_buffer, PL_reentrant_buffer->_netent_size, char);
10bc17b6 JH	184	#endif
	185	#endif /* HAS_GETNETBYNAME_R */
	186	#ifdef HAS_GETPROTOBYNAME_R
	187	#if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
a02a5408	188	Newx(PL_reentrant_buffer->_protoent_buffer, PL_reentrant_buffer->_protoent_size, char);
10bc17b6 JH	189	#endif
	190	#endif /* HAS_GETPROTOBYNAME_R */
	191	#ifdef HAS_GETPWNAM_R
f7937171 JH	192	# ifdef USE_PWENT_FPTR
f7937171 JH	193	PL_reentrant_buffer->_pwent_fptr = NULL;
10bc17b6	194	# endif
a02a5408	195	Newx(PL_reentrant_buffer->_pwent_buffer, PL_reentrant_buffer->_pwent_size, char);
10bc17b6 JH	196	#endif /* HAS_GETPWNAM_R */
	197	#ifdef HAS_GETSERVBYNAME_R
	198	#if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD)
a02a5408	199	Newx(PL_reentrant_buffer->_servent_buffer, PL_reentrant_buffer->_servent_size, char);
10bc17b6 JH	200	#endif
	201	#endif /* HAS_GETSERVBYNAME_R */
	202	#ifdef HAS_GETSPNAM_R
f7937171 JH	203	# ifdef USE_SPENT_FPTR
	204	PL_reentrant_buffer->_spent_fptr = NULL;
	205	# endif
a02a5408	206	Newx(PL_reentrant_buffer->_spent_buffer, PL_reentrant_buffer->_spent_size, char);
10bc17b6 JH	207	#endif /* HAS_GETSPNAM_R */
	208	#ifdef HAS_GMTIME_R
	209	#endif /* HAS_GMTIME_R */
	210	#ifdef HAS_LOCALTIME_R
	211	#endif /* HAS_LOCALTIME_R */
	212	#ifdef HAS_RANDOM_R
	213	#endif /* HAS_RANDOM_R */
	214	#ifdef HAS_READDIR_R
	215	PL_reentrant_buffer->_readdir_struct = (struct dirent*)safemalloc(PL_reentrant_buffer->_readdir_size);
	216	#endif /* HAS_READDIR_R */
	217	#ifdef HAS_READDIR64_R
	218	PL_reentrant_buffer->_readdir64_struct = (struct dirent64*)safemalloc(PL_reentrant_buffer->_readdir64_size);
	219	#endif /* HAS_READDIR64_R */
	220	#ifdef HAS_SETLOCALE_R
a02a5408	221	Newx(PL_reentrant_buffer->_setlocale_buffer, PL_reentrant_buffer->_setlocale_size, char);
10bc17b6	222	#endif /* HAS_SETLOCALE_R */
5cb13b8d JD	223	#ifdef HAS_SRANDOM_R
5cb13b8d JD	224	#endif /* HAS_SRANDOM_R */
10bc17b6	225	#ifdef HAS_STRERROR_R
a02a5408	226	Newx(PL_reentrant_buffer->_strerror_buffer, PL_reentrant_buffer->_strerror_size, char);
10bc17b6 JH	227	#endif /* HAS_STRERROR_R */
10bc17b6 JH	228	#ifdef HAS_TTYNAME_R
a02a5408	229	Newx(PL_reentrant_buffer->_ttyname_buffer, PL_reentrant_buffer->_ttyname_size, char);
10bc17b6 JH	230	#endif /* HAS_TTYNAME_R */
	231
	232	#endif /* USE_REENTRANT_API */
	233	}
	234
	235	void
	236	Perl_reentrant_free(pTHX) {
	237	#ifdef USE_REENTRANT_API
	238	#ifdef HAS_ASCTIME_R
	239	Safefree(PL_reentrant_buffer->_asctime_buffer);
	240	#endif /* HAS_ASCTIME_R */
	241	#ifdef HAS_CRYPT_R
05404ffe JH	242	#if CRYPT_R_PROTO != REENTRANT_PROTO_B_CCD
	243	Safefree(PL_reentrant_buffer->_crypt_struct_buffer);
	244	#endif
10bc17b6 JH	245	#endif /* HAS_CRYPT_R */
	246	#ifdef HAS_CTIME_R
	247	Safefree(PL_reentrant_buffer->_ctime_buffer);
	248	#endif /* HAS_CTIME_R */
	249	#ifdef HAS_DRAND48_R
	250	#endif /* HAS_DRAND48_R */
	251	#ifdef HAS_GETGRNAM_R
f7937171	252	Safefree(PL_reentrant_buffer->_grent_buffer);
10bc17b6 JH	253	#endif /* HAS_GETGRNAM_R */
	254	#ifdef HAS_GETHOSTBYNAME_R
	255	#if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	256	Safefree(PL_reentrant_buffer->_hostent_buffer);
10bc17b6 JH	257	#endif
	258	#endif /* HAS_GETHOSTBYNAME_R */
	259	#ifdef HAS_GETLOGIN_R
	260	Safefree(PL_reentrant_buffer->_getlogin_buffer);
	261	#endif /* HAS_GETLOGIN_R */
	262	#ifdef HAS_GETNETBYNAME_R
	263	#if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	264	Safefree(PL_reentrant_buffer->_netent_buffer);
10bc17b6 JH	265	#endif
	266	#endif /* HAS_GETNETBYNAME_R */
	267	#ifdef HAS_GETPROTOBYNAME_R
	268	#if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	269	Safefree(PL_reentrant_buffer->_protoent_buffer);
10bc17b6 JH	270	#endif
	271	#endif /* HAS_GETPROTOBYNAME_R */
	272	#ifdef HAS_GETPWNAM_R
f7937171	273	Safefree(PL_reentrant_buffer->_pwent_buffer);
10bc17b6 JH	274	#endif /* HAS_GETPWNAM_R */
	275	#ifdef HAS_GETSERVBYNAME_R
	276	#if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD)
f7937171	277	Safefree(PL_reentrant_buffer->_servent_buffer);
10bc17b6 JH	278	#endif
	279	#endif /* HAS_GETSERVBYNAME_R */
	280	#ifdef HAS_GETSPNAM_R
f7937171	281	Safefree(PL_reentrant_buffer->_spent_buffer);
10bc17b6 JH	282	#endif /* HAS_GETSPNAM_R */
	283	#ifdef HAS_GMTIME_R
	284	#endif /* HAS_GMTIME_R */
	285	#ifdef HAS_LOCALTIME_R
	286	#endif /* HAS_LOCALTIME_R */
	287	#ifdef HAS_RANDOM_R
	288	#endif /* HAS_RANDOM_R */
	289	#ifdef HAS_READDIR_R
	290	Safefree(PL_reentrant_buffer->_readdir_struct);
	291	#endif /* HAS_READDIR_R */
	292	#ifdef HAS_READDIR64_R
	293	Safefree(PL_reentrant_buffer->_readdir64_struct);
	294	#endif /* HAS_READDIR64_R */
	295	#ifdef HAS_SETLOCALE_R
	296	Safefree(PL_reentrant_buffer->_setlocale_buffer);
	297	#endif /* HAS_SETLOCALE_R */
5cb13b8d JD	298	#ifdef HAS_SRANDOM_R
5cb13b8d JD	299	#endif /* HAS_SRANDOM_R */
10bc17b6 JH	300	#ifdef HAS_STRERROR_R
	301	Safefree(PL_reentrant_buffer->_strerror_buffer);
	302	#endif /* HAS_STRERROR_R */
	303	#ifdef HAS_TTYNAME_R
	304	Safefree(PL_reentrant_buffer->_ttyname_buffer);
	305	#endif /* HAS_TTYNAME_R */
	306
	307	Safefree(PL_reentrant_buffer);
	308	#endif /* USE_REENTRANT_API */
	309	}
	310
edd309b7 JH	311	void*
	312	Perl_reentrant_retry(const char *f, ...)
	313	{
abb2c242	314	dTHX;
edd309b7	315	void *retptr = NULL;
fe5bfecd	316	va_list ap;
7918f24d NC	317	#ifdef USE_REENTRANT_API
	318	/* Easier to special case this here than in embed.pl. (Look at what it
	319	generates for proto.h) */
	320	PERL_ARGS_ASSERT_REENTRANT_RETRY;
	321	#endif
fe5bfecd	322	va_start(ap, f);
369ec4b2	323	{
edd309b7	324	#ifdef USE_REENTRANT_API
0891a229	325	# 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	326	void *p0;
e3410746 SR	327	# endif
f7937171	328	# if defined(USE_SERVENT_BUFFER)
e3410746 SR	329	void *p1;
e3410746 SR	330	# endif
f7937171	331	# if defined(USE_HOSTENT_BUFFER)
edd309b7	332	size_t asize;
e3410746	333	# endif
f7937171	334	# if defined(USE_HOSTENT_BUFFER) \|\| defined(USE_NETENT_BUFFER) \|\| defined(USE_PROTOENT_BUFFER) \|\| defined(USE_SERVENT_BUFFER)
edd309b7	335	int anint;
e3410746	336	# endif
edd309b7	337
edd309b7	338	switch (PL_op->op_type) {
f7937171	339	#ifdef USE_HOSTENT_BUFFER
edd309b7 JH	340	case OP_GHBYADDR:
	341	case OP_GHBYNAME:
	342	case OP_GHOSTENT:
	343	{
af685957 JH	344	#ifdef PERL_REENTRANT_MAXSIZE
	345	if (PL_reentrant_buffer->_hostent_size <=
	346	PERL_REENTRANT_MAXSIZE / 2)
	347	#endif
	348	{
f7937171 JH	349	PL_reentrant_buffer->_hostent_size *= 2;
	350	Renew(PL_reentrant_buffer->_hostent_buffer,
	351	PL_reentrant_buffer->_hostent_size, char);
edd309b7 JH	352	switch (PL_op->op_type) {
	353	case OP_GHBYADDR:
	354	p0 = va_arg(ap, void *);
	355	asize = va_arg(ap, size_t);
	356	anint = va_arg(ap, int);
	357	retptr = gethostbyaddr(p0, asize, anint); break;
	358	case OP_GHBYNAME:
	359	p0 = va_arg(ap, void *);
f6f0b69b	360	retptr = gethostbyname((char *)p0); break;
edd309b7 JH	361	case OP_GHOSTENT:
	362	retptr = gethostent(); break;
	363	default:
0de8cad8	364	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	365	break;
	366	}
	367	}
	368	}
	369	break;
	370	#endif
f7937171	371	#ifdef USE_GRENT_BUFFER
edd309b7 JH	372	case OP_GGRNAM:
	373	case OP_GGRGID:
	374	case OP_GGRENT:
	375	{
af685957 JH	376	#ifdef PERL_REENTRANT_MAXSIZE
	377	if (PL_reentrant_buffer->_grent_size <=
	378	PERL_REENTRANT_MAXSIZE / 2)
	379	#endif
	380	{
edd309b7	381	Gid_t gid;
f7937171 JH	382	PL_reentrant_buffer->_grent_size *= 2;
	383	Renew(PL_reentrant_buffer->_grent_buffer,
	384	PL_reentrant_buffer->_grent_size, char);
edd309b7 JH	385	switch (PL_op->op_type) {
	386	case OP_GGRNAM:
	387	p0 = va_arg(ap, void *);
f6f0b69b	388	retptr = getgrnam((char *)p0); break;
edd309b7	389	case OP_GGRGID:
ab2b559b JH	390	#if Gid_t_size < INTSIZE
	391	gid = (Gid_t)va_arg(ap, int);
	392	#else
edd309b7	393	gid = va_arg(ap, Gid_t);
ab2b559b	394	#endif
edd309b7 JH	395	retptr = getgrgid(gid); break;
	396	case OP_GGRENT:
	397	retptr = getgrent(); break;
	398	default:
0de8cad8	399	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	400	break;
	401	}
	402	}
	403	}
	404	break;
	405	#endif
f7937171	406	#ifdef USE_NETENT_BUFFER
edd309b7 JH	407	case OP_GNBYADDR:
	408	case OP_GNBYNAME:
	409	case OP_GNETENT:
	410	{
af685957 JH	411	#ifdef PERL_REENTRANT_MAXSIZE
	412	if (PL_reentrant_buffer->_netent_size <=
	413	PERL_REENTRANT_MAXSIZE / 2)
	414	#endif
	415	{
edd309b7	416	Netdb_net_t net;
f7937171 JH	417	PL_reentrant_buffer->_netent_size *= 2;
	418	Renew(PL_reentrant_buffer->_netent_buffer,
	419	PL_reentrant_buffer->_netent_size, char);
edd309b7 JH	420	switch (PL_op->op_type) {
	421	case OP_GNBYADDR:
	422	net = va_arg(ap, Netdb_net_t);
	423	anint = va_arg(ap, int);
	424	retptr = getnetbyaddr(net, anint); break;
	425	case OP_GNBYNAME:
	426	p0 = va_arg(ap, void *);
f6f0b69b	427	retptr = getnetbyname((char *)p0); break;
edd309b7 JH	428	case OP_GNETENT:
	429	retptr = getnetent(); break;
	430	default:
0de8cad8	431	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	432	break;
	433	}
	434	}
	435	}
	436	break;
	437	#endif
f7937171	438	#ifdef USE_PWENT_BUFFER
edd309b7 JH	439	case OP_GPWNAM:
	440	case OP_GPWUID:
	441	case OP_GPWENT:
	442	{
af685957 JH	443	#ifdef PERL_REENTRANT_MAXSIZE
	444	if (PL_reentrant_buffer->_pwent_size <=
	445	PERL_REENTRANT_MAXSIZE / 2)
	446	#endif
	447	{
edd309b7	448	Uid_t uid;
f7937171 JH	449	PL_reentrant_buffer->_pwent_size *= 2;
	450	Renew(PL_reentrant_buffer->_pwent_buffer,
	451	PL_reentrant_buffer->_pwent_size, char);
edd309b7 JH	452	switch (PL_op->op_type) {
	453	case OP_GPWNAM:
	454	p0 = va_arg(ap, void *);
f6f0b69b	455	retptr = getpwnam((char *)p0); break;
edd309b7	456	case OP_GPWUID:
ab2b559b JH	457	#if Uid_t_size < INTSIZE
	458	uid = (Uid_t)va_arg(ap, int);
	459	#else
edd309b7	460	uid = va_arg(ap, Uid_t);
ab2b559b	461	#endif
edd309b7 JH	462	retptr = getpwuid(uid); break;
	463	case OP_GPWENT:
	464	retptr = getpwent(); break;
	465	default:
0de8cad8	466	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	467	break;
	468	}
	469	}
	470	}
	471	break;
	472	#endif
f7937171	473	#ifdef USE_PROTOENT_BUFFER
edd309b7 JH	474	case OP_GPBYNAME:
	475	case OP_GPBYNUMBER:
	476	case OP_GPROTOENT:
	477	{
af685957 JH	478	#ifdef PERL_REENTRANT_MAXSIZE
	479	if (PL_reentrant_buffer->_protoent_size <=
	480	PERL_REENTRANT_MAXSIZE / 2)
	481	#endif
	482	{
f7937171 JH	483	PL_reentrant_buffer->_protoent_size *= 2;
	484	Renew(PL_reentrant_buffer->_protoent_buffer,
	485	PL_reentrant_buffer->_protoent_size, char);
edd309b7 JH	486	switch (PL_op->op_type) {
	487	case OP_GPBYNAME:
	488	p0 = va_arg(ap, void *);
f6f0b69b	489	retptr = getprotobyname((char *)p0); break;
edd309b7 JH	490	case OP_GPBYNUMBER:
	491	anint = va_arg(ap, int);
	492	retptr = getprotobynumber(anint); break;
	493	case OP_GPROTOENT:
	494	retptr = getprotoent(); break;
	495	default:
0de8cad8	496	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	497	break;
	498	}
	499	}
	500	}
	501	break;
	502	#endif
f7937171	503	#ifdef USE_SERVENT_BUFFER
edd309b7 JH	504	case OP_GSBYNAME:
	505	case OP_GSBYPORT:
	506	case OP_GSERVENT:
	507	{
af685957 JH	508	#ifdef PERL_REENTRANT_MAXSIZE
	509	if (PL_reentrant_buffer->_servent_size <=
	510	PERL_REENTRANT_MAXSIZE / 2)
	511	#endif
	512	{
f7937171 JH	513	PL_reentrant_buffer->_servent_size *= 2;
	514	Renew(PL_reentrant_buffer->_servent_buffer,
	515	PL_reentrant_buffer->_servent_size, char);
edd309b7 JH	516	switch (PL_op->op_type) {
	517	case OP_GSBYNAME:
	518	p0 = va_arg(ap, void *);
	519	p1 = va_arg(ap, void *);
f6f0b69b	520	retptr = getservbyname((char )p0, (char )p1); break;
edd309b7 JH	521	case OP_GSBYPORT:
	522	anint = va_arg(ap, int);
	523	p0 = va_arg(ap, void *);
f6f0b69b	524	retptr = getservbyport(anint, (char *)p0); break;
edd309b7 JH	525	case OP_GSERVENT:
	526	retptr = getservent(); break;
	527	default:
0de8cad8	528	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	529	break;
	530	}
	531	}
	532	}
	533	break;
	534	#endif
	535	default:
	536	/* Not known how to retry, so just fail. */
	537	break;
	538	}
6148ee25 SP	539	#else
6148ee25 SP	540	PERL_UNUSED_ARG(f);
edd309b7	541	#endif
369ec4b2	542	}
fe5bfecd	543	va_end(ap);
edd309b7 JH	544	return retptr;
	545	}
	546
37442d52	547	/* ex: set ro: */