[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!"
 *
 *     [p.260 of _The Lord of the Rings_, II/ii: "The Council of Elrond"]
 */

/*
 * 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!
23ce015e JH	13	*/
	14
	15	/*
10bc17b6 JH	16	* "Saruman," I said, standing away from him, "only one hand at a time can
	17	* wield the One, and you know that well, so do not trouble to say we!"
	18	*
23ce015e JH	19	* [p.260 of _The Lord of the Rings_, II/ii: "The Council of Elrond"]
	20	*/
	21
	22	/*
61296642 DM	23	* This file contains a collection of automatically created wrappers
	24	* (created by running reentr.pl) for reentrant (thread-safe) versions of
	25	* various library calls, such as getpwent_r. The wrapping is done so
	26	* that other files like pp_sys.c calling those library functions need not
	27	* care about the differences between various platforms' idiosyncrasies
	28	* regarding these reentrant interfaces.
10bc17b6 JH	29	*/
	30
	31	#include "EXTERN.h"
	32	#define PERL_IN_REENTR_C
	33	#include "perl.h"
	34	#include "reentr.h"
	35
	36	void
	37	Perl_reentrant_size(pTHX) {
23491f1d	38	PERL_UNUSED_CONTEXT;
10bc17b6	39	#ifdef USE_REENTRANT_API
8695fa85 SR	40	#define REENTRANTSMALLSIZE 256 /* Make something up. */
8695fa85 SR	41	#define REENTRANTUSUALSIZE 4096 /* Make something up. */
10bc17b6	42	#ifdef HAS_ASCTIME_R
8695fa85	43	PL_reentrant_buffer->_asctime_size = REENTRANTSMALLSIZE;
10bc17b6 JH	44	#endif /* HAS_ASCTIME_R */
	45	#ifdef HAS_CRYPT_R
	46	#endif /* HAS_CRYPT_R */
	47	#ifdef HAS_CTIME_R
8695fa85	48	PL_reentrant_buffer->_ctime_size = REENTRANTSMALLSIZE;
10bc17b6	49	#endif /* HAS_CTIME_R */
10bc17b6	50	#ifdef HAS_GETGRNAM_R
0de8cad8 RGS	51	# if defined(HAS_SYSCONF) && defined(_SC_GETGR_R_SIZE_MAX) && !defined(__GLIBC__)
0de8cad8 RGS	52	PL_reentrant_buffer->_grent_size = sysconf(_SC_GETGR_R_SIZE_MAX);
a3dd3f83	53	if (PL_reentrant_buffer->_grent_size == (size_t) -1)
0de8cad8	54	PL_reentrant_buffer->_grent_size = REENTRANTUSUALSIZE;
10bc17b6 JH	55	# else
10bc17b6 JH	56	# if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
f7937171	57	PL_reentrant_buffer->_grent_size = SIABUFSIZ;
10bc17b6 JH	58	# else
10bc17b6 JH	59	# ifdef __sgi
f7937171	60	PL_reentrant_buffer->_grent_size = BUFSIZ;
10bc17b6	61	# else
f7937171	62	PL_reentrant_buffer->_grent_size = REENTRANTUSUALSIZE;
10bc17b6 JH	63	# endif
	64	# endif
	65	# endif
	66	#endif /* HAS_GETGRNAM_R */
	67	#ifdef HAS_GETHOSTBYNAME_R
	68	#if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	69	PL_reentrant_buffer->_hostent_size = REENTRANTUSUALSIZE;
10bc17b6 JH	70	#endif
	71	#endif /* HAS_GETHOSTBYNAME_R */
	72	#ifdef HAS_GETLOGIN_R
8695fa85	73	PL_reentrant_buffer->_getlogin_size = REENTRANTSMALLSIZE;
10bc17b6 JH	74	#endif /* HAS_GETLOGIN_R */
	75	#ifdef HAS_GETNETBYNAME_R
	76	#if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	77	PL_reentrant_buffer->_netent_size = REENTRANTUSUALSIZE;
10bc17b6 JH	78	#endif
	79	#endif /* HAS_GETNETBYNAME_R */
	80	#ifdef HAS_GETPROTOBYNAME_R
	81	#if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	82	PL_reentrant_buffer->_protoent_size = REENTRANTUSUALSIZE;
10bc17b6 JH	83	#endif
	84	#endif /* HAS_GETPROTOBYNAME_R */
	85	#ifdef HAS_GETPWNAM_R
	86	# if defined(HAS_SYSCONF) && defined(_SC_GETPW_R_SIZE_MAX) && !defined(__GLIBC__)
f7937171	87	PL_reentrant_buffer->_pwent_size = sysconf(_SC_GETPW_R_SIZE_MAX);
a3dd3f83	88	if (PL_reentrant_buffer->_pwent_size == (size_t) -1)
f7937171	89	PL_reentrant_buffer->_pwent_size = REENTRANTUSUALSIZE;
10bc17b6 JH	90	# else
10bc17b6 JH	91	# if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
f7937171	92	PL_reentrant_buffer->_pwent_size = SIABUFSIZ;
10bc17b6 JH	93	# else
10bc17b6 JH	94	# ifdef __sgi
f7937171	95	PL_reentrant_buffer->_pwent_size = BUFSIZ;
10bc17b6	96	# else
f7937171	97	PL_reentrant_buffer->_pwent_size = REENTRANTUSUALSIZE;
10bc17b6 JH	98	# endif
	99	# endif
	100	# endif
	101	#endif /* HAS_GETPWNAM_R */
	102	#ifdef HAS_GETSERVBYNAME_R
	103	#if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD)
f7937171	104	PL_reentrant_buffer->_servent_size = REENTRANTUSUALSIZE;
10bc17b6 JH	105	#endif
	106	#endif /* HAS_GETSERVBYNAME_R */
	107	#ifdef HAS_GETSPNAM_R
f7937171 JH	108	# if defined(HAS_SYSCONF) && defined(_SC_GETPW_R_SIZE_MAX) && !defined(__GLIBC__)
f7937171 JH	109	PL_reentrant_buffer->_spent_size = sysconf(_SC_GETPW_R_SIZE_MAX);
a3dd3f83	110	if (PL_reentrant_buffer->_spent_size == (size_t) -1)
0de8cad8	111	PL_reentrant_buffer->_spent_size = REENTRANTUSUALSIZE;
f7937171 JH	112	# else
	113	# if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
	114	PL_reentrant_buffer->_spent_size = SIABUFSIZ;
	115	# else
	116	# ifdef __sgi
	117	PL_reentrant_buffer->_spent_size = BUFSIZ;
	118	# else
	119	PL_reentrant_buffer->_spent_size = REENTRANTUSUALSIZE;
	120	# endif
	121	# endif
	122	# endif
10bc17b6	123	#endif /* HAS_GETSPNAM_R */
10bc17b6 JH	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 JH	136	#endif /* HAS_SETLOCALE_R */
10bc17b6 JH	137	#ifdef HAS_STRERROR_R
8695fa85	138	PL_reentrant_buffer->_strerror_size = REENTRANTSMALLSIZE;
10bc17b6 JH	139	#endif /* HAS_STRERROR_R */
10bc17b6 JH	140	#ifdef HAS_TTYNAME_R
8695fa85	141	PL_reentrant_buffer->_ttyname_size = REENTRANTSMALLSIZE;
10bc17b6 JH	142	#endif /* HAS_TTYNAME_R */
	143
	144	#endif /* USE_REENTRANT_API */
	145	}
	146
	147	void
	148	Perl_reentrant_init(pTHX) {
23491f1d	149	PERL_UNUSED_CONTEXT;
10bc17b6	150	#ifdef USE_REENTRANT_API
a02a5408	151	Newx(PL_reentrant_buffer, 1, REENTR);
10bc17b6 JH	152	Perl_reentrant_size(aTHX);
10bc17b6 JH	153	#ifdef HAS_ASCTIME_R
a02a5408	154	Newx(PL_reentrant_buffer->_asctime_buffer, PL_reentrant_buffer->_asctime_size, char);
10bc17b6 JH	155	#endif /* HAS_ASCTIME_R */
10bc17b6 JH	156	#ifdef HAS_CRYPT_R
05404ffe JH	157	#if CRYPT_R_PROTO != REENTRANT_PROTO_B_CCD
05404ffe JH	158	PL_reentrant_buffer->_crypt_struct_buffer = 0;
10bc17b6 JH	159	#endif
	160	#endif /* HAS_CRYPT_R */
	161	#ifdef HAS_CTIME_R
a02a5408	162	Newx(PL_reentrant_buffer->_ctime_buffer, PL_reentrant_buffer->_ctime_size, char);
10bc17b6	163	#endif /* HAS_CTIME_R */
10bc17b6	164	#ifdef HAS_GETGRNAM_R
f7937171 JH	165	# ifdef USE_GRENT_FPTR
f7937171 JH	166	PL_reentrant_buffer->_grent_fptr = NULL;
10bc17b6	167	# endif
a02a5408	168	Newx(PL_reentrant_buffer->_grent_buffer, PL_reentrant_buffer->_grent_size, char);
10bc17b6 JH	169	#endif /* HAS_GETGRNAM_R */
	170	#ifdef HAS_GETHOSTBYNAME_R
	171	#if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
a02a5408	172	Newx(PL_reentrant_buffer->_hostent_buffer, PL_reentrant_buffer->_hostent_size, char);
10bc17b6 JH	173	#endif
	174	#endif /* HAS_GETHOSTBYNAME_R */
	175	#ifdef HAS_GETLOGIN_R
a02a5408	176	Newx(PL_reentrant_buffer->_getlogin_buffer, PL_reentrant_buffer->_getlogin_size, char);
10bc17b6 JH	177	#endif /* HAS_GETLOGIN_R */
	178	#ifdef HAS_GETNETBYNAME_R
	179	#if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
a02a5408	180	Newx(PL_reentrant_buffer->_netent_buffer, PL_reentrant_buffer->_netent_size, char);
10bc17b6 JH	181	#endif
	182	#endif /* HAS_GETNETBYNAME_R */
	183	#ifdef HAS_GETPROTOBYNAME_R
	184	#if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
a02a5408	185	Newx(PL_reentrant_buffer->_protoent_buffer, PL_reentrant_buffer->_protoent_size, char);
10bc17b6 JH	186	#endif
	187	#endif /* HAS_GETPROTOBYNAME_R */
	188	#ifdef HAS_GETPWNAM_R
f7937171 JH	189	# ifdef USE_PWENT_FPTR
f7937171 JH	190	PL_reentrant_buffer->_pwent_fptr = NULL;
10bc17b6	191	# endif
a02a5408	192	Newx(PL_reentrant_buffer->_pwent_buffer, PL_reentrant_buffer->_pwent_size, char);
10bc17b6 JH	193	#endif /* HAS_GETPWNAM_R */
	194	#ifdef HAS_GETSERVBYNAME_R
	195	#if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD)
a02a5408	196	Newx(PL_reentrant_buffer->_servent_buffer, PL_reentrant_buffer->_servent_size, char);
10bc17b6 JH	197	#endif
	198	#endif /* HAS_GETSERVBYNAME_R */
	199	#ifdef HAS_GETSPNAM_R
f7937171 JH	200	# ifdef USE_SPENT_FPTR
	201	PL_reentrant_buffer->_spent_fptr = NULL;
	202	# endif
a02a5408	203	Newx(PL_reentrant_buffer->_spent_buffer, PL_reentrant_buffer->_spent_size, char);
10bc17b6	204	#endif /* HAS_GETSPNAM_R */
10bc17b6 JH	205	#ifdef HAS_READDIR_R
	206	PL_reentrant_buffer->_readdir_struct = (struct dirent*)safemalloc(PL_reentrant_buffer->_readdir_size);
	207	#endif /* HAS_READDIR_R */
	208	#ifdef HAS_READDIR64_R
	209	PL_reentrant_buffer->_readdir64_struct = (struct dirent64*)safemalloc(PL_reentrant_buffer->_readdir64_size);
	210	#endif /* HAS_READDIR64_R */
	211	#ifdef HAS_SETLOCALE_R
a02a5408	212	Newx(PL_reentrant_buffer->_setlocale_buffer, PL_reentrant_buffer->_setlocale_size, char);
10bc17b6 JH	213	#endif /* HAS_SETLOCALE_R */
10bc17b6 JH	214	#ifdef HAS_STRERROR_R
a02a5408	215	Newx(PL_reentrant_buffer->_strerror_buffer, PL_reentrant_buffer->_strerror_size, char);
10bc17b6 JH	216	#endif /* HAS_STRERROR_R */
10bc17b6 JH	217	#ifdef HAS_TTYNAME_R
a02a5408	218	Newx(PL_reentrant_buffer->_ttyname_buffer, PL_reentrant_buffer->_ttyname_size, char);
10bc17b6 JH	219	#endif /* HAS_TTYNAME_R */
	220
	221	#endif /* USE_REENTRANT_API */
	222	}
	223
	224	void
	225	Perl_reentrant_free(pTHX) {
23491f1d	226	PERL_UNUSED_CONTEXT;
10bc17b6 JH	227	#ifdef USE_REENTRANT_API
	228	#ifdef HAS_ASCTIME_R
	229	Safefree(PL_reentrant_buffer->_asctime_buffer);
	230	#endif /* HAS_ASCTIME_R */
	231	#ifdef HAS_CRYPT_R
05404ffe JH	232	#if CRYPT_R_PROTO != REENTRANT_PROTO_B_CCD
	233	Safefree(PL_reentrant_buffer->_crypt_struct_buffer);
	234	#endif
10bc17b6 JH	235	#endif /* HAS_CRYPT_R */
	236	#ifdef HAS_CTIME_R
	237	Safefree(PL_reentrant_buffer->_ctime_buffer);
	238	#endif /* HAS_CTIME_R */
10bc17b6	239	#ifdef HAS_GETGRNAM_R
f7937171	240	Safefree(PL_reentrant_buffer->_grent_buffer);
10bc17b6 JH	241	#endif /* HAS_GETGRNAM_R */
	242	#ifdef HAS_GETHOSTBYNAME_R
	243	#if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	244	Safefree(PL_reentrant_buffer->_hostent_buffer);
10bc17b6 JH	245	#endif
	246	#endif /* HAS_GETHOSTBYNAME_R */
	247	#ifdef HAS_GETLOGIN_R
	248	Safefree(PL_reentrant_buffer->_getlogin_buffer);
	249	#endif /* HAS_GETLOGIN_R */
	250	#ifdef HAS_GETNETBYNAME_R
	251	#if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	252	Safefree(PL_reentrant_buffer->_netent_buffer);
10bc17b6 JH	253	#endif
	254	#endif /* HAS_GETNETBYNAME_R */
	255	#ifdef HAS_GETPROTOBYNAME_R
	256	#if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	257	Safefree(PL_reentrant_buffer->_protoent_buffer);
10bc17b6 JH	258	#endif
	259	#endif /* HAS_GETPROTOBYNAME_R */
	260	#ifdef HAS_GETPWNAM_R
f7937171	261	Safefree(PL_reentrant_buffer->_pwent_buffer);
10bc17b6 JH	262	#endif /* HAS_GETPWNAM_R */
	263	#ifdef HAS_GETSERVBYNAME_R
	264	#if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD)
f7937171	265	Safefree(PL_reentrant_buffer->_servent_buffer);
10bc17b6 JH	266	#endif
	267	#endif /* HAS_GETSERVBYNAME_R */
	268	#ifdef HAS_GETSPNAM_R
f7937171	269	Safefree(PL_reentrant_buffer->_spent_buffer);
10bc17b6	270	#endif /* HAS_GETSPNAM_R */
10bc17b6 JH	271	#ifdef HAS_READDIR_R
	272	Safefree(PL_reentrant_buffer->_readdir_struct);
	273	#endif /* HAS_READDIR_R */
	274	#ifdef HAS_READDIR64_R
	275	Safefree(PL_reentrant_buffer->_readdir64_struct);
	276	#endif /* HAS_READDIR64_R */
	277	#ifdef HAS_SETLOCALE_R
	278	Safefree(PL_reentrant_buffer->_setlocale_buffer);
	279	#endif /* HAS_SETLOCALE_R */
	280	#ifdef HAS_STRERROR_R
	281	Safefree(PL_reentrant_buffer->_strerror_buffer);
	282	#endif /* HAS_STRERROR_R */
	283	#ifdef HAS_TTYNAME_R
	284	Safefree(PL_reentrant_buffer->_ttyname_buffer);
	285	#endif /* HAS_TTYNAME_R */
	286
	287	Safefree(PL_reentrant_buffer);
	288	#endif /* USE_REENTRANT_API */
	289	}
	290
edd309b7 JH	291	void*
	292	Perl_reentrant_retry(const char *f, ...)
	293	{
edd309b7	294	void *retptr = NULL;
fe5bfecd	295	va_list ap;
7918f24d	296	#ifdef USE_REENTRANT_API
dbf7dff6	297	dTHX;
7918f24d NC	298	/* Easier to special case this here than in embed.pl. (Look at what it
	299	generates for proto.h) */
	300	PERL_ARGS_ASSERT_REENTRANT_RETRY;
	301	#endif
fe5bfecd	302	va_start(ap, f);
369ec4b2	303	{
edd309b7	304	#ifdef USE_REENTRANT_API
0891a229	305	# 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	306	void *p0;
e3410746 SR	307	# endif
f7937171	308	# if defined(USE_SERVENT_BUFFER)
e3410746 SR	309	void *p1;
e3410746 SR	310	# endif
f7937171	311	# if defined(USE_HOSTENT_BUFFER)
edd309b7	312	size_t asize;
e3410746	313	# endif
f7937171	314	# if defined(USE_HOSTENT_BUFFER) \|\| defined(USE_NETENT_BUFFER) \|\| defined(USE_PROTOENT_BUFFER) \|\| defined(USE_SERVENT_BUFFER)
edd309b7	315	int anint;
e3410746	316	# endif
edd309b7	317
edd309b7	318	switch (PL_op->op_type) {
f7937171	319	#ifdef USE_HOSTENT_BUFFER
edd309b7 JH	320	case OP_GHBYADDR:
	321	case OP_GHBYNAME:
	322	case OP_GHOSTENT:
	323	{
af685957 JH	324	#ifdef PERL_REENTRANT_MAXSIZE
	325	if (PL_reentrant_buffer->_hostent_size <=
	326	PERL_REENTRANT_MAXSIZE / 2)
	327	#endif
	328	{
f7937171 JH	329	PL_reentrant_buffer->_hostent_size *= 2;
	330	Renew(PL_reentrant_buffer->_hostent_buffer,
	331	PL_reentrant_buffer->_hostent_size, char);
edd309b7 JH	332	switch (PL_op->op_type) {
	333	case OP_GHBYADDR:
	334	p0 = va_arg(ap, void *);
	335	asize = va_arg(ap, size_t);
	336	anint = va_arg(ap, int);
	337	retptr = gethostbyaddr(p0, asize, anint); break;
	338	case OP_GHBYNAME:
	339	p0 = va_arg(ap, void *);
f6f0b69b	340	retptr = gethostbyname((char *)p0); break;
edd309b7 JH	341	case OP_GHOSTENT:
	342	retptr = gethostent(); break;
	343	default:
0de8cad8	344	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	345	break;
	346	}
	347	}
	348	}
	349	break;
	350	#endif
f7937171	351	#ifdef USE_GRENT_BUFFER
edd309b7 JH	352	case OP_GGRNAM:
	353	case OP_GGRGID:
	354	case OP_GGRENT:
	355	{
af685957 JH	356	#ifdef PERL_REENTRANT_MAXSIZE
	357	if (PL_reentrant_buffer->_grent_size <=
	358	PERL_REENTRANT_MAXSIZE / 2)
	359	#endif
	360	{
edd309b7	361	Gid_t gid;
f7937171 JH	362	PL_reentrant_buffer->_grent_size *= 2;
	363	Renew(PL_reentrant_buffer->_grent_buffer,
	364	PL_reentrant_buffer->_grent_size, char);
edd309b7 JH	365	switch (PL_op->op_type) {
	366	case OP_GGRNAM:
	367	p0 = va_arg(ap, void *);
f6f0b69b	368	retptr = getgrnam((char *)p0); break;
edd309b7	369	case OP_GGRGID:
ab2b559b JH	370	#if Gid_t_size < INTSIZE
	371	gid = (Gid_t)va_arg(ap, int);
	372	#else
edd309b7	373	gid = va_arg(ap, Gid_t);
ab2b559b	374	#endif
edd309b7 JH	375	retptr = getgrgid(gid); break;
	376	case OP_GGRENT:
	377	retptr = getgrent(); break;
	378	default:
0de8cad8	379	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	380	break;
	381	}
	382	}
	383	}
	384	break;
	385	#endif
f7937171	386	#ifdef USE_NETENT_BUFFER
edd309b7 JH	387	case OP_GNBYADDR:
	388	case OP_GNBYNAME:
	389	case OP_GNETENT:
	390	{
af685957 JH	391	#ifdef PERL_REENTRANT_MAXSIZE
	392	if (PL_reentrant_buffer->_netent_size <=
	393	PERL_REENTRANT_MAXSIZE / 2)
	394	#endif
	395	{
edd309b7	396	Netdb_net_t net;
f7937171 JH	397	PL_reentrant_buffer->_netent_size *= 2;
	398	Renew(PL_reentrant_buffer->_netent_buffer,
	399	PL_reentrant_buffer->_netent_size, char);
edd309b7 JH	400	switch (PL_op->op_type) {
	401	case OP_GNBYADDR:
	402	net = va_arg(ap, Netdb_net_t);
	403	anint = va_arg(ap, int);
	404	retptr = getnetbyaddr(net, anint); break;
	405	case OP_GNBYNAME:
	406	p0 = va_arg(ap, void *);
f6f0b69b	407	retptr = getnetbyname((char *)p0); break;
edd309b7 JH	408	case OP_GNETENT:
	409	retptr = getnetent(); break;
	410	default:
0de8cad8	411	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	412	break;
	413	}
	414	}
	415	}
	416	break;
	417	#endif
f7937171	418	#ifdef USE_PWENT_BUFFER
edd309b7 JH	419	case OP_GPWNAM:
	420	case OP_GPWUID:
	421	case OP_GPWENT:
	422	{
af685957 JH	423	#ifdef PERL_REENTRANT_MAXSIZE
	424	if (PL_reentrant_buffer->_pwent_size <=
	425	PERL_REENTRANT_MAXSIZE / 2)
	426	#endif
	427	{
edd309b7	428	Uid_t uid;
f7937171 JH	429	PL_reentrant_buffer->_pwent_size *= 2;
	430	Renew(PL_reentrant_buffer->_pwent_buffer,
	431	PL_reentrant_buffer->_pwent_size, char);
edd309b7 JH	432	switch (PL_op->op_type) {
	433	case OP_GPWNAM:
	434	p0 = va_arg(ap, void *);
f6f0b69b	435	retptr = getpwnam((char *)p0); break;
edd309b7	436	case OP_GPWUID:
ab2b559b JH	437	#if Uid_t_size < INTSIZE
	438	uid = (Uid_t)va_arg(ap, int);
	439	#else
edd309b7	440	uid = va_arg(ap, Uid_t);
ab2b559b	441	#endif
edd309b7	442	retptr = getpwuid(uid); break;
123829cf	443	#if defined(HAS_GETPWENT) \|\| defined(HAS_GETPWENT_R)
edd309b7 JH	444	case OP_GPWENT:
edd309b7 JH	445	retptr = getpwent(); break;
123829cf	446	#endif
edd309b7	447	default:
0de8cad8	448	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	449	break;
	450	}
	451	}
	452	}
	453	break;
	454	#endif
f7937171	455	#ifdef USE_PROTOENT_BUFFER
edd309b7 JH	456	case OP_GPBYNAME:
	457	case OP_GPBYNUMBER:
	458	case OP_GPROTOENT:
	459	{
af685957 JH	460	#ifdef PERL_REENTRANT_MAXSIZE
	461	if (PL_reentrant_buffer->_protoent_size <=
	462	PERL_REENTRANT_MAXSIZE / 2)
	463	#endif
	464	{
f7937171 JH	465	PL_reentrant_buffer->_protoent_size *= 2;
	466	Renew(PL_reentrant_buffer->_protoent_buffer,
	467	PL_reentrant_buffer->_protoent_size, char);
edd309b7 JH	468	switch (PL_op->op_type) {
	469	case OP_GPBYNAME:
	470	p0 = va_arg(ap, void *);
f6f0b69b	471	retptr = getprotobyname((char *)p0); break;
edd309b7 JH	472	case OP_GPBYNUMBER:
	473	anint = va_arg(ap, int);
	474	retptr = getprotobynumber(anint); break;
	475	case OP_GPROTOENT:
	476	retptr = getprotoent(); break;
	477	default:
0de8cad8	478	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	479	break;
	480	}
	481	}
	482	}
	483	break;
	484	#endif
f7937171	485	#ifdef USE_SERVENT_BUFFER
edd309b7 JH	486	case OP_GSBYNAME:
	487	case OP_GSBYPORT:
	488	case OP_GSERVENT:
	489	{
af685957 JH	490	#ifdef PERL_REENTRANT_MAXSIZE
	491	if (PL_reentrant_buffer->_servent_size <=
	492	PERL_REENTRANT_MAXSIZE / 2)
	493	#endif
	494	{
f7937171 JH	495	PL_reentrant_buffer->_servent_size *= 2;
	496	Renew(PL_reentrant_buffer->_servent_buffer,
	497	PL_reentrant_buffer->_servent_size, char);
edd309b7 JH	498	switch (PL_op->op_type) {
	499	case OP_GSBYNAME:
	500	p0 = va_arg(ap, void *);
	501	p1 = va_arg(ap, void *);
f6f0b69b	502	retptr = getservbyname((char )p0, (char )p1); break;
edd309b7 JH	503	case OP_GSBYPORT:
	504	anint = va_arg(ap, int);
	505	p0 = va_arg(ap, void *);
f6f0b69b	506	retptr = getservbyport(anint, (char *)p0); break;
edd309b7 JH	507	case OP_GSERVENT:
	508	retptr = getservent(); break;
	509	default:
0de8cad8	510	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	511	break;
	512	}
	513	}
	514	}
	515	break;
	516	#endif
	517	default:
	518	/* Not known how to retry, so just fail. */
	519	break;
	520	}
6148ee25 SP	521	#else
6148ee25 SP	522	PERL_UNUSED_ARG(f);
edd309b7	523	#endif
369ec4b2	524	}
fe5bfecd	525	va_end(ap);
edd309b7 JH	526	return retptr;
	527	}
	528
37442d52	529	/* ex: set ro: */