[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"

#define RenewDouble(data_pointer, size_pointer, type) \
    STMT_START { \
	const size_t size = *(size_pointer) * 2; \
	Renew((data_pointer), (size), type); \
	*(size_pointer) = size; \
    } STMT_END

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
	    {
		RenewDouble(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;
		RenewDouble(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;
		RenewDouble(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;
		RenewDouble(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
	    {
		RenewDouble(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
	    {
		RenewDouble(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
acfc2cc3 HS	36	#define RenewDouble(data_pointer, size_pointer, type) \
	37	STMT_START { \
	38	const size_t size = (size_pointer) 2; \
	39	Renew((data_pointer), (size), type); \
	40	*(size_pointer) = size; \
	41	} STMT_END
	42
10bc17b6 JH	43	void
10bc17b6 JH	44	Perl_reentrant_size(pTHX) {
23491f1d	45	PERL_UNUSED_CONTEXT;
10bc17b6	46	#ifdef USE_REENTRANT_API
8695fa85 SR	47	#define REENTRANTSMALLSIZE 256 /* Make something up. */
8695fa85 SR	48	#define REENTRANTUSUALSIZE 4096 /* Make something up. */
10bc17b6	49	#ifdef HAS_ASCTIME_R
8695fa85	50	PL_reentrant_buffer->_asctime_size = REENTRANTSMALLSIZE;
10bc17b6 JH	51	#endif /* HAS_ASCTIME_R */
	52	#ifdef HAS_CRYPT_R
	53	#endif /* HAS_CRYPT_R */
	54	#ifdef HAS_CTIME_R
8695fa85	55	PL_reentrant_buffer->_ctime_size = REENTRANTSMALLSIZE;
10bc17b6	56	#endif /* HAS_CTIME_R */
10bc17b6	57	#ifdef HAS_GETGRNAM_R
0de8cad8 RGS	58	# if defined(HAS_SYSCONF) && defined(_SC_GETGR_R_SIZE_MAX) && !defined(__GLIBC__)
0de8cad8 RGS	59	PL_reentrant_buffer->_grent_size = sysconf(_SC_GETGR_R_SIZE_MAX);
a3dd3f83	60	if (PL_reentrant_buffer->_grent_size == (size_t) -1)
0de8cad8	61	PL_reentrant_buffer->_grent_size = REENTRANTUSUALSIZE;
10bc17b6 JH	62	# else
10bc17b6 JH	63	# if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
f7937171	64	PL_reentrant_buffer->_grent_size = SIABUFSIZ;
10bc17b6 JH	65	# else
10bc17b6 JH	66	# ifdef __sgi
f7937171	67	PL_reentrant_buffer->_grent_size = BUFSIZ;
10bc17b6	68	# else
f7937171	69	PL_reentrant_buffer->_grent_size = REENTRANTUSUALSIZE;
10bc17b6 JH	70	# endif
	71	# endif
	72	# endif
	73	#endif /* HAS_GETGRNAM_R */
	74	#ifdef HAS_GETHOSTBYNAME_R
	75	#if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	76	PL_reentrant_buffer->_hostent_size = REENTRANTUSUALSIZE;
10bc17b6 JH	77	#endif
	78	#endif /* HAS_GETHOSTBYNAME_R */
	79	#ifdef HAS_GETLOGIN_R
8695fa85	80	PL_reentrant_buffer->_getlogin_size = REENTRANTSMALLSIZE;
10bc17b6 JH	81	#endif /* HAS_GETLOGIN_R */
	82	#ifdef HAS_GETNETBYNAME_R
	83	#if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	84	PL_reentrant_buffer->_netent_size = REENTRANTUSUALSIZE;
10bc17b6 JH	85	#endif
	86	#endif /* HAS_GETNETBYNAME_R */
	87	#ifdef HAS_GETPROTOBYNAME_R
	88	#if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	89	PL_reentrant_buffer->_protoent_size = REENTRANTUSUALSIZE;
10bc17b6 JH	90	#endif
	91	#endif /* HAS_GETPROTOBYNAME_R */
	92	#ifdef HAS_GETPWNAM_R
	93	# if defined(HAS_SYSCONF) && defined(_SC_GETPW_R_SIZE_MAX) && !defined(__GLIBC__)
f7937171	94	PL_reentrant_buffer->_pwent_size = sysconf(_SC_GETPW_R_SIZE_MAX);
a3dd3f83	95	if (PL_reentrant_buffer->_pwent_size == (size_t) -1)
f7937171	96	PL_reentrant_buffer->_pwent_size = REENTRANTUSUALSIZE;
10bc17b6 JH	97	# else
10bc17b6 JH	98	# if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
f7937171	99	PL_reentrant_buffer->_pwent_size = SIABUFSIZ;
10bc17b6 JH	100	# else
10bc17b6 JH	101	# ifdef __sgi
f7937171	102	PL_reentrant_buffer->_pwent_size = BUFSIZ;
10bc17b6	103	# else
f7937171	104	PL_reentrant_buffer->_pwent_size = REENTRANTUSUALSIZE;
10bc17b6 JH	105	# endif
	106	# endif
	107	# endif
	108	#endif /* HAS_GETPWNAM_R */
	109	#ifdef HAS_GETSERVBYNAME_R
	110	#if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD)
f7937171	111	PL_reentrant_buffer->_servent_size = REENTRANTUSUALSIZE;
10bc17b6 JH	112	#endif
	113	#endif /* HAS_GETSERVBYNAME_R */
	114	#ifdef HAS_GETSPNAM_R
f7937171 JH	115	# if defined(HAS_SYSCONF) && defined(_SC_GETPW_R_SIZE_MAX) && !defined(__GLIBC__)
f7937171 JH	116	PL_reentrant_buffer->_spent_size = sysconf(_SC_GETPW_R_SIZE_MAX);
a3dd3f83	117	if (PL_reentrant_buffer->_spent_size == (size_t) -1)
0de8cad8	118	PL_reentrant_buffer->_spent_size = REENTRANTUSUALSIZE;
f7937171 JH	119	# else
	120	# if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
	121	PL_reentrant_buffer->_spent_size = SIABUFSIZ;
	122	# else
	123	# ifdef __sgi
	124	PL_reentrant_buffer->_spent_size = BUFSIZ;
	125	# else
	126	PL_reentrant_buffer->_spent_size = REENTRANTUSUALSIZE;
	127	# endif
	128	# endif
	129	# endif
10bc17b6	130	#endif /* HAS_GETSPNAM_R */
10bc17b6 JH	131	#ifdef HAS_READDIR_R
	132	/* This is the size Solaris recommends.
	133	* (though we go static, should use pathconf() instead) */
	134	PL_reentrant_buffer->_readdir_size = sizeof(struct dirent) + MAXPATHLEN + 1;
	135	#endif /* HAS_READDIR_R */
	136	#ifdef HAS_READDIR64_R
	137	/* This is the size Solaris recommends.
	138	* (though we go static, should use pathconf() instead) */
	139	PL_reentrant_buffer->_readdir64_size = sizeof(struct dirent64) + MAXPATHLEN + 1;
	140	#endif /* HAS_READDIR64_R */
	141	#ifdef HAS_SETLOCALE_R
8695fa85	142	PL_reentrant_buffer->_setlocale_size = REENTRANTSMALLSIZE;
10bc17b6 JH	143	#endif /* HAS_SETLOCALE_R */
10bc17b6 JH	144	#ifdef HAS_STRERROR_R
8695fa85	145	PL_reentrant_buffer->_strerror_size = REENTRANTSMALLSIZE;
10bc17b6 JH	146	#endif /* HAS_STRERROR_R */
10bc17b6 JH	147	#ifdef HAS_TTYNAME_R
8695fa85	148	PL_reentrant_buffer->_ttyname_size = REENTRANTSMALLSIZE;
10bc17b6 JH	149	#endif /* HAS_TTYNAME_R */
	150
	151	#endif /* USE_REENTRANT_API */
	152	}
	153
	154	void
	155	Perl_reentrant_init(pTHX) {
23491f1d	156	PERL_UNUSED_CONTEXT;
10bc17b6	157	#ifdef USE_REENTRANT_API
a02a5408	158	Newx(PL_reentrant_buffer, 1, REENTR);
10bc17b6 JH	159	Perl_reentrant_size(aTHX);
10bc17b6 JH	160	#ifdef HAS_ASCTIME_R
a02a5408	161	Newx(PL_reentrant_buffer->_asctime_buffer, PL_reentrant_buffer->_asctime_size, char);
10bc17b6 JH	162	#endif /* HAS_ASCTIME_R */
10bc17b6 JH	163	#ifdef HAS_CRYPT_R
05404ffe JH	164	#if CRYPT_R_PROTO != REENTRANT_PROTO_B_CCD
05404ffe JH	165	PL_reentrant_buffer->_crypt_struct_buffer = 0;
10bc17b6 JH	166	#endif
	167	#endif /* HAS_CRYPT_R */
	168	#ifdef HAS_CTIME_R
a02a5408	169	Newx(PL_reentrant_buffer->_ctime_buffer, PL_reentrant_buffer->_ctime_size, char);
10bc17b6	170	#endif /* HAS_CTIME_R */
10bc17b6	171	#ifdef HAS_GETGRNAM_R
f7937171 JH	172	# ifdef USE_GRENT_FPTR
f7937171 JH	173	PL_reentrant_buffer->_grent_fptr = NULL;
10bc17b6	174	# endif
a02a5408	175	Newx(PL_reentrant_buffer->_grent_buffer, PL_reentrant_buffer->_grent_size, char);
10bc17b6 JH	176	#endif /* HAS_GETGRNAM_R */
	177	#ifdef HAS_GETHOSTBYNAME_R
	178	#if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
a02a5408	179	Newx(PL_reentrant_buffer->_hostent_buffer, PL_reentrant_buffer->_hostent_size, char);
10bc17b6 JH	180	#endif
	181	#endif /* HAS_GETHOSTBYNAME_R */
	182	#ifdef HAS_GETLOGIN_R
a02a5408	183	Newx(PL_reentrant_buffer->_getlogin_buffer, PL_reentrant_buffer->_getlogin_size, char);
10bc17b6 JH	184	#endif /* HAS_GETLOGIN_R */
	185	#ifdef HAS_GETNETBYNAME_R
	186	#if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
a02a5408	187	Newx(PL_reentrant_buffer->_netent_buffer, PL_reentrant_buffer->_netent_size, char);
10bc17b6 JH	188	#endif
	189	#endif /* HAS_GETNETBYNAME_R */
	190	#ifdef HAS_GETPROTOBYNAME_R
	191	#if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
a02a5408	192	Newx(PL_reentrant_buffer->_protoent_buffer, PL_reentrant_buffer->_protoent_size, char);
10bc17b6 JH	193	#endif
	194	#endif /* HAS_GETPROTOBYNAME_R */
	195	#ifdef HAS_GETPWNAM_R
f7937171 JH	196	# ifdef USE_PWENT_FPTR
f7937171 JH	197	PL_reentrant_buffer->_pwent_fptr = NULL;
10bc17b6	198	# endif
a02a5408	199	Newx(PL_reentrant_buffer->_pwent_buffer, PL_reentrant_buffer->_pwent_size, char);
10bc17b6 JH	200	#endif /* HAS_GETPWNAM_R */
	201	#ifdef HAS_GETSERVBYNAME_R
	202	#if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD)
a02a5408	203	Newx(PL_reentrant_buffer->_servent_buffer, PL_reentrant_buffer->_servent_size, char);
10bc17b6 JH	204	#endif
	205	#endif /* HAS_GETSERVBYNAME_R */
	206	#ifdef HAS_GETSPNAM_R
f7937171 JH	207	# ifdef USE_SPENT_FPTR
	208	PL_reentrant_buffer->_spent_fptr = NULL;
	209	# endif
a02a5408	210	Newx(PL_reentrant_buffer->_spent_buffer, PL_reentrant_buffer->_spent_size, char);
10bc17b6	211	#endif /* HAS_GETSPNAM_R */
10bc17b6 JH	212	#ifdef HAS_READDIR_R
	213	PL_reentrant_buffer->_readdir_struct = (struct dirent*)safemalloc(PL_reentrant_buffer->_readdir_size);
	214	#endif /* HAS_READDIR_R */
	215	#ifdef HAS_READDIR64_R
	216	PL_reentrant_buffer->_readdir64_struct = (struct dirent64*)safemalloc(PL_reentrant_buffer->_readdir64_size);
	217	#endif /* HAS_READDIR64_R */
	218	#ifdef HAS_SETLOCALE_R
a02a5408	219	Newx(PL_reentrant_buffer->_setlocale_buffer, PL_reentrant_buffer->_setlocale_size, char);
10bc17b6 JH	220	#endif /* HAS_SETLOCALE_R */
10bc17b6 JH	221	#ifdef HAS_STRERROR_R
a02a5408	222	Newx(PL_reentrant_buffer->_strerror_buffer, PL_reentrant_buffer->_strerror_size, char);
10bc17b6 JH	223	#endif /* HAS_STRERROR_R */
10bc17b6 JH	224	#ifdef HAS_TTYNAME_R
a02a5408	225	Newx(PL_reentrant_buffer->_ttyname_buffer, PL_reentrant_buffer->_ttyname_size, char);
10bc17b6 JH	226	#endif /* HAS_TTYNAME_R */
	227
	228	#endif /* USE_REENTRANT_API */
	229	}
	230
	231	void
	232	Perl_reentrant_free(pTHX) {
23491f1d	233	PERL_UNUSED_CONTEXT;
10bc17b6 JH	234	#ifdef USE_REENTRANT_API
	235	#ifdef HAS_ASCTIME_R
	236	Safefree(PL_reentrant_buffer->_asctime_buffer);
	237	#endif /* HAS_ASCTIME_R */
	238	#ifdef HAS_CRYPT_R
05404ffe JH	239	#if CRYPT_R_PROTO != REENTRANT_PROTO_B_CCD
	240	Safefree(PL_reentrant_buffer->_crypt_struct_buffer);
	241	#endif
10bc17b6 JH	242	#endif /* HAS_CRYPT_R */
	243	#ifdef HAS_CTIME_R
	244	Safefree(PL_reentrant_buffer->_ctime_buffer);
	245	#endif /* HAS_CTIME_R */
10bc17b6	246	#ifdef HAS_GETGRNAM_R
f7937171	247	Safefree(PL_reentrant_buffer->_grent_buffer);
10bc17b6 JH	248	#endif /* HAS_GETGRNAM_R */
	249	#ifdef HAS_GETHOSTBYNAME_R
	250	#if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	251	Safefree(PL_reentrant_buffer->_hostent_buffer);
10bc17b6 JH	252	#endif
	253	#endif /* HAS_GETHOSTBYNAME_R */
	254	#ifdef HAS_GETLOGIN_R
	255	Safefree(PL_reentrant_buffer->_getlogin_buffer);
	256	#endif /* HAS_GETLOGIN_R */
	257	#ifdef HAS_GETNETBYNAME_R
	258	#if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	259	Safefree(PL_reentrant_buffer->_netent_buffer);
10bc17b6 JH	260	#endif
	261	#endif /* HAS_GETNETBYNAME_R */
	262	#ifdef HAS_GETPROTOBYNAME_R
	263	#if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	264	Safefree(PL_reentrant_buffer->_protoent_buffer);
10bc17b6 JH	265	#endif
	266	#endif /* HAS_GETPROTOBYNAME_R */
	267	#ifdef HAS_GETPWNAM_R
f7937171	268	Safefree(PL_reentrant_buffer->_pwent_buffer);
10bc17b6 JH	269	#endif /* HAS_GETPWNAM_R */
	270	#ifdef HAS_GETSERVBYNAME_R
	271	#if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD)
f7937171	272	Safefree(PL_reentrant_buffer->_servent_buffer);
10bc17b6 JH	273	#endif
	274	#endif /* HAS_GETSERVBYNAME_R */
	275	#ifdef HAS_GETSPNAM_R
f7937171	276	Safefree(PL_reentrant_buffer->_spent_buffer);
10bc17b6	277	#endif /* HAS_GETSPNAM_R */
10bc17b6 JH	278	#ifdef HAS_READDIR_R
	279	Safefree(PL_reentrant_buffer->_readdir_struct);
	280	#endif /* HAS_READDIR_R */
	281	#ifdef HAS_READDIR64_R
	282	Safefree(PL_reentrant_buffer->_readdir64_struct);
	283	#endif /* HAS_READDIR64_R */
	284	#ifdef HAS_SETLOCALE_R
	285	Safefree(PL_reentrant_buffer->_setlocale_buffer);
	286	#endif /* HAS_SETLOCALE_R */
	287	#ifdef HAS_STRERROR_R
	288	Safefree(PL_reentrant_buffer->_strerror_buffer);
	289	#endif /* HAS_STRERROR_R */
	290	#ifdef HAS_TTYNAME_R
	291	Safefree(PL_reentrant_buffer->_ttyname_buffer);
	292	#endif /* HAS_TTYNAME_R */
	293
	294	Safefree(PL_reentrant_buffer);
	295	#endif /* USE_REENTRANT_API */
	296	}
	297
edd309b7 JH	298	void*
	299	Perl_reentrant_retry(const char *f, ...)
	300	{
edd309b7	301	void *retptr = NULL;
fe5bfecd	302	va_list ap;
7918f24d	303	#ifdef USE_REENTRANT_API
dbf7dff6	304	dTHX;
7918f24d NC	305	/* Easier to special case this here than in embed.pl. (Look at what it
	306	generates for proto.h) */
	307	PERL_ARGS_ASSERT_REENTRANT_RETRY;
	308	#endif
fe5bfecd	309	va_start(ap, f);
369ec4b2	310	{
edd309b7	311	#ifdef USE_REENTRANT_API
0891a229	312	# 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	313	void *p0;
e3410746 SR	314	# endif
f7937171	315	# if defined(USE_SERVENT_BUFFER)
e3410746 SR	316	void *p1;
e3410746 SR	317	# endif
f7937171	318	# if defined(USE_HOSTENT_BUFFER)
edd309b7	319	size_t asize;
e3410746	320	# endif
f7937171	321	# if defined(USE_HOSTENT_BUFFER) \|\| defined(USE_NETENT_BUFFER) \|\| defined(USE_PROTOENT_BUFFER) \|\| defined(USE_SERVENT_BUFFER)
edd309b7	322	int anint;
e3410746	323	# endif
edd309b7	324
edd309b7	325	switch (PL_op->op_type) {
f7937171	326	#ifdef USE_HOSTENT_BUFFER
edd309b7 JH	327	case OP_GHBYADDR:
	328	case OP_GHBYNAME:
	329	case OP_GHOSTENT:
	330	{
af685957 JH	331	#ifdef PERL_REENTRANT_MAXSIZE
	332	if (PL_reentrant_buffer->_hostent_size <=
	333	PERL_REENTRANT_MAXSIZE / 2)
	334	#endif
	335	{
acfc2cc3 HS	336	RenewDouble(PL_reentrant_buffer->_hostent_buffer,
acfc2cc3 HS	337	&PL_reentrant_buffer->_hostent_size, char);
edd309b7 JH	338	switch (PL_op->op_type) {
	339	case OP_GHBYADDR:
	340	p0 = va_arg(ap, void *);
	341	asize = va_arg(ap, size_t);
	342	anint = va_arg(ap, int);
	343	retptr = gethostbyaddr(p0, asize, anint); break;
	344	case OP_GHBYNAME:
	345	p0 = va_arg(ap, void *);
f6f0b69b	346	retptr = gethostbyname((char *)p0); break;
edd309b7 JH	347	case OP_GHOSTENT:
	348	retptr = gethostent(); break;
	349	default:
0de8cad8	350	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	351	break;
	352	}
	353	}
	354	}
	355	break;
	356	#endif
f7937171	357	#ifdef USE_GRENT_BUFFER
edd309b7 JH	358	case OP_GGRNAM:
	359	case OP_GGRGID:
	360	case OP_GGRENT:
	361	{
af685957 JH	362	#ifdef PERL_REENTRANT_MAXSIZE
	363	if (PL_reentrant_buffer->_grent_size <=
	364	PERL_REENTRANT_MAXSIZE / 2)
	365	#endif
	366	{
edd309b7	367	Gid_t gid;
acfc2cc3 HS	368	RenewDouble(PL_reentrant_buffer->_grent_buffer,
acfc2cc3 HS	369	&PL_reentrant_buffer->_grent_size, char);
edd309b7 JH	370	switch (PL_op->op_type) {
	371	case OP_GGRNAM:
	372	p0 = va_arg(ap, void *);
f6f0b69b	373	retptr = getgrnam((char *)p0); break;
edd309b7	374	case OP_GGRGID:
ab2b559b JH	375	#if Gid_t_size < INTSIZE
	376	gid = (Gid_t)va_arg(ap, int);
	377	#else
edd309b7	378	gid = va_arg(ap, Gid_t);
ab2b559b	379	#endif
edd309b7 JH	380	retptr = getgrgid(gid); break;
	381	case OP_GGRENT:
	382	retptr = getgrent(); break;
	383	default:
0de8cad8	384	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	385	break;
	386	}
	387	}
	388	}
	389	break;
	390	#endif
f7937171	391	#ifdef USE_NETENT_BUFFER
edd309b7 JH	392	case OP_GNBYADDR:
	393	case OP_GNBYNAME:
	394	case OP_GNETENT:
	395	{
af685957 JH	396	#ifdef PERL_REENTRANT_MAXSIZE
	397	if (PL_reentrant_buffer->_netent_size <=
	398	PERL_REENTRANT_MAXSIZE / 2)
	399	#endif
	400	{
edd309b7	401	Netdb_net_t net;
acfc2cc3 HS	402	RenewDouble(PL_reentrant_buffer->_netent_buffer,
acfc2cc3 HS	403	&PL_reentrant_buffer->_netent_size, char);
edd309b7 JH	404	switch (PL_op->op_type) {
	405	case OP_GNBYADDR:
	406	net = va_arg(ap, Netdb_net_t);
	407	anint = va_arg(ap, int);
	408	retptr = getnetbyaddr(net, anint); break;
	409	case OP_GNBYNAME:
	410	p0 = va_arg(ap, void *);
f6f0b69b	411	retptr = getnetbyname((char *)p0); break;
edd309b7 JH	412	case OP_GNETENT:
	413	retptr = getnetent(); break;
	414	default:
0de8cad8	415	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	416	break;
	417	}
	418	}
	419	}
	420	break;
	421	#endif
f7937171	422	#ifdef USE_PWENT_BUFFER
edd309b7 JH	423	case OP_GPWNAM:
	424	case OP_GPWUID:
	425	case OP_GPWENT:
	426	{
af685957 JH	427	#ifdef PERL_REENTRANT_MAXSIZE
	428	if (PL_reentrant_buffer->_pwent_size <=
	429	PERL_REENTRANT_MAXSIZE / 2)
	430	#endif
	431	{
edd309b7	432	Uid_t uid;
acfc2cc3 HS	433	RenewDouble(PL_reentrant_buffer->_pwent_buffer,
acfc2cc3 HS	434	&PL_reentrant_buffer->_pwent_size, char);
edd309b7 JH	435	switch (PL_op->op_type) {
	436	case OP_GPWNAM:
	437	p0 = va_arg(ap, void *);
f6f0b69b	438	retptr = getpwnam((char *)p0); break;
edd309b7	439	case OP_GPWUID:
ab2b559b JH	440	#if Uid_t_size < INTSIZE
	441	uid = (Uid_t)va_arg(ap, int);
	442	#else
edd309b7	443	uid = va_arg(ap, Uid_t);
ab2b559b	444	#endif
edd309b7	445	retptr = getpwuid(uid); break;
123829cf	446	#if defined(HAS_GETPWENT) \|\| defined(HAS_GETPWENT_R)
edd309b7 JH	447	case OP_GPWENT:
edd309b7 JH	448	retptr = getpwent(); break;
123829cf	449	#endif
edd309b7	450	default:
0de8cad8	451	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	452	break;
	453	}
	454	}
	455	}
	456	break;
	457	#endif
f7937171	458	#ifdef USE_PROTOENT_BUFFER
edd309b7 JH	459	case OP_GPBYNAME:
	460	case OP_GPBYNUMBER:
	461	case OP_GPROTOENT:
	462	{
af685957 JH	463	#ifdef PERL_REENTRANT_MAXSIZE
	464	if (PL_reentrant_buffer->_protoent_size <=
	465	PERL_REENTRANT_MAXSIZE / 2)
	466	#endif
	467	{
acfc2cc3 HS	468	RenewDouble(PL_reentrant_buffer->_protoent_buffer,
acfc2cc3 HS	469	&PL_reentrant_buffer->_protoent_size, char);
edd309b7 JH	470	switch (PL_op->op_type) {
	471	case OP_GPBYNAME:
	472	p0 = va_arg(ap, void *);
f6f0b69b	473	retptr = getprotobyname((char *)p0); break;
edd309b7 JH	474	case OP_GPBYNUMBER:
	475	anint = va_arg(ap, int);
	476	retptr = getprotobynumber(anint); break;
	477	case OP_GPROTOENT:
	478	retptr = getprotoent(); break;
	479	default:
0de8cad8	480	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	481	break;
	482	}
	483	}
	484	}
	485	break;
	486	#endif
f7937171	487	#ifdef USE_SERVENT_BUFFER
edd309b7 JH	488	case OP_GSBYNAME:
	489	case OP_GSBYPORT:
	490	case OP_GSERVENT:
	491	{
af685957 JH	492	#ifdef PERL_REENTRANT_MAXSIZE
	493	if (PL_reentrant_buffer->_servent_size <=
	494	PERL_REENTRANT_MAXSIZE / 2)
	495	#endif
	496	{
acfc2cc3 HS	497	RenewDouble(PL_reentrant_buffer->_servent_buffer,
acfc2cc3 HS	498	&PL_reentrant_buffer->_servent_size, char);
edd309b7 JH	499	switch (PL_op->op_type) {
	500	case OP_GSBYNAME:
	501	p0 = va_arg(ap, void *);
	502	p1 = va_arg(ap, void *);
f6f0b69b	503	retptr = getservbyname((char )p0, (char )p1); break;
edd309b7 JH	504	case OP_GSBYPORT:
	505	anint = va_arg(ap, int);
	506	p0 = va_arg(ap, void *);
f6f0b69b	507	retptr = getservbyport(anint, (char *)p0); break;
edd309b7 JH	508	case OP_GSERVENT:
	509	retptr = getservent(); break;
	510	default:
0de8cad8	511	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	512	break;
	513	}
	514	}
	515	}
	516	break;
	517	#endif
	518	default:
	519	/* Not known how to retry, so just fail. */
	520	break;
	521	}
6148ee25 SP	522	#else
6148ee25 SP	523	PERL_UNUSED_ARG(f);
edd309b7	524	#endif
369ec4b2	525	}
fe5bfecd	526	va_end(ap);
edd309b7 JH	527	return retptr;
	528	}
	529
37442d52	530	/* ex: set ro: */