[perl5.git] / reentr.c

/*
 *    reentr.c
 *
 *    Copyright (C) 2002, 2003, 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 == -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 == -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 == -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_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
	New(31337, PL_reentrant_buffer, 1, REENTR);
	Perl_reentrant_size(aTHX);
#ifdef HAS_ASCTIME_R
	New(31338, 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
	New(31338, 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
	New(31338, 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)
	New(31338, PL_reentrant_buffer->_hostent_buffer, PL_reentrant_buffer->_hostent_size, char);
#endif
#endif /* HAS_GETHOSTBYNAME_R */
#ifdef HAS_GETLOGIN_R
	New(31338, 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)
	New(31338, 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)
	New(31338, 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
	New(31338, 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)
	New(31338, 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
	New(31338, 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
	New(31338, PL_reentrant_buffer->_setlocale_buffer, PL_reentrant_buffer->_setlocale_size, char);
#endif /* HAS_SETLOCALE_R */
#ifdef HAS_STRERROR_R
	New(31338, PL_reentrant_buffer->_strerror_buffer, PL_reentrant_buffer->_strerror_size, char);
#endif /* HAS_STRERROR_R */
#ifdef HAS_TTYNAME_R
	New(31338, 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_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;
#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
    va_list ap;

    va_start(ap, f);

    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;
    }

    va_end(ap);
#endif
    return retptr;
}
Commit	Line	Data
10bc17b6 JH	1	/*
	2	* reentr.c
	3	*
e6906430	4	* Copyright (C) 2002, 2003, by Larry Wall and others
10bc17b6 JH	5	*
	6	* You may distribute under the terms of either the GNU General Public
	7	* License or the Artistic License, as specified in the README file.
	8	*
	9	* !!!!!!! DO NOT EDIT THIS FILE !!!!!!!
40d34c0d	10	* This file is built by reentr.pl from data in reentr.pl.
10bc17b6 JH	11	*
	12	* "Saruman," I said, standing away from him, "only one hand at a time can
	13	* wield the One, and you know that well, so do not trouble to say we!"
	14	*
40d34c0d SB	15	* This file contains a collection of automatically created wrappers
	16	* (created by running reentr.pl) for reentrant (thread-safe) versions of
	17	* various library calls, such as getpwent_r. The wrapping is done so
	18	* that other files like pp_sys.c calling those library functions need not
	19	* care about the differences between various platforms' idiosyncrasies
	20	* regarding these reentrant interfaces.
10bc17b6 JH	21	*/
	22
	23	#include "EXTERN.h"
	24	#define PERL_IN_REENTR_C
	25	#include "perl.h"
	26	#include "reentr.h"
	27
	28	void
	29	Perl_reentrant_size(pTHX) {
	30	#ifdef USE_REENTRANT_API
8695fa85 SR	31	#define REENTRANTSMALLSIZE 256 /* Make something up. */
8695fa85 SR	32	#define REENTRANTUSUALSIZE 4096 /* Make something up. */
10bc17b6	33	#ifdef HAS_ASCTIME_R
8695fa85	34	PL_reentrant_buffer->_asctime_size = REENTRANTSMALLSIZE;
10bc17b6 JH	35	#endif /* HAS_ASCTIME_R */
	36	#ifdef HAS_CRYPT_R
	37	#endif /* HAS_CRYPT_R */
	38	#ifdef HAS_CTIME_R
8695fa85	39	PL_reentrant_buffer->_ctime_size = REENTRANTSMALLSIZE;
10bc17b6 JH	40	#endif /* HAS_CTIME_R */
	41	#ifdef HAS_DRAND48_R
	42	#endif /* HAS_DRAND48_R */
	43	#ifdef HAS_GETGRNAM_R
c45c44aa JH	44	# if defined(HAS_SYSCONF) && defined(_SC_GETGR_R_SIZE_MAX) && !defined(__GLIBC__)
	45	PL_reentrant_buffer->_grent_size = sysconf(_SC_GETGR_R_SIZE_MAX);
	46	if (PL_reentrant_buffer->_grent_size == -1)
	47	PL_reentrant_buffer->_grent_size = REENTRANTUSUALSIZE;
10bc17b6 JH	48	# else
10bc17b6 JH	49	# if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
f7937171	50	PL_reentrant_buffer->_grent_size = SIABUFSIZ;
10bc17b6 JH	51	# else
10bc17b6 JH	52	# ifdef __sgi
f7937171	53	PL_reentrant_buffer->_grent_size = BUFSIZ;
10bc17b6	54	# else
f7937171	55	PL_reentrant_buffer->_grent_size = REENTRANTUSUALSIZE;
10bc17b6 JH	56	# endif
	57	# endif
	58	# endif
	59	#endif /* HAS_GETGRNAM_R */
	60	#ifdef HAS_GETHOSTBYNAME_R
	61	#if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	62	PL_reentrant_buffer->_hostent_size = REENTRANTUSUALSIZE;
10bc17b6 JH	63	#endif
	64	#endif /* HAS_GETHOSTBYNAME_R */
	65	#ifdef HAS_GETLOGIN_R
8695fa85	66	PL_reentrant_buffer->_getlogin_size = REENTRANTSMALLSIZE;
10bc17b6 JH	67	#endif /* HAS_GETLOGIN_R */
	68	#ifdef HAS_GETNETBYNAME_R
	69	#if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	70	PL_reentrant_buffer->_netent_size = REENTRANTUSUALSIZE;
10bc17b6 JH	71	#endif
	72	#endif /* HAS_GETNETBYNAME_R */
	73	#ifdef HAS_GETPROTOBYNAME_R
	74	#if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	75	PL_reentrant_buffer->_protoent_size = REENTRANTUSUALSIZE;
10bc17b6 JH	76	#endif
	77	#endif /* HAS_GETPROTOBYNAME_R */
	78	#ifdef HAS_GETPWNAM_R
	79	# if defined(HAS_SYSCONF) && defined(_SC_GETPW_R_SIZE_MAX) && !defined(__GLIBC__)
f7937171 JH	80	PL_reentrant_buffer->_pwent_size = sysconf(_SC_GETPW_R_SIZE_MAX);
	81	if (PL_reentrant_buffer->_pwent_size == -1)
	82	PL_reentrant_buffer->_pwent_size = REENTRANTUSUALSIZE;
10bc17b6 JH	83	# else
10bc17b6 JH	84	# if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
f7937171	85	PL_reentrant_buffer->_pwent_size = SIABUFSIZ;
10bc17b6 JH	86	# else
10bc17b6 JH	87	# ifdef __sgi
f7937171	88	PL_reentrant_buffer->_pwent_size = BUFSIZ;
10bc17b6	89	# else
f7937171	90	PL_reentrant_buffer->_pwent_size = REENTRANTUSUALSIZE;
10bc17b6 JH	91	# endif
	92	# endif
	93	# endif
	94	#endif /* HAS_GETPWNAM_R */
	95	#ifdef HAS_GETSERVBYNAME_R
	96	#if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD)
f7937171	97	PL_reentrant_buffer->_servent_size = REENTRANTUSUALSIZE;
10bc17b6 JH	98	#endif
	99	#endif /* HAS_GETSERVBYNAME_R */
	100	#ifdef HAS_GETSPNAM_R
f7937171	101	# if defined(HAS_SYSCONF) && defined(_SC_GETPW_R_SIZE_MAX) && !defined(__GLIBC__)
51beb6bd JH	102	PL_reentrant_buffer->_spent_size = sysconf(_SC_GETPW_R_SIZE_MAX);
	103	if (PL_reentrant_buffer->_spent_size == -1)
	104	PL_reentrant_buffer->_spent_size = REENTRANTUSUALSIZE;
f7937171 JH	105	# else
	106	# if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
	107	PL_reentrant_buffer->_spent_size = SIABUFSIZ;
	108	# else
	109	# ifdef __sgi
	110	PL_reentrant_buffer->_spent_size = BUFSIZ;
	111	# else
	112	PL_reentrant_buffer->_spent_size = REENTRANTUSUALSIZE;
	113	# endif
	114	# endif
	115	# endif
10bc17b6 JH	116	#endif /* HAS_GETSPNAM_R */
	117	#ifdef HAS_GMTIME_R
	118	#endif /* HAS_GMTIME_R */
	119	#ifdef HAS_LOCALTIME_R
	120	#endif /* HAS_LOCALTIME_R */
	121	#ifdef HAS_RANDOM_R
	122	#endif /* HAS_RANDOM_R */
	123	#ifdef HAS_READDIR_R
	124	/* This is the size Solaris recommends.
	125	* (though we go static, should use pathconf() instead) */
	126	PL_reentrant_buffer->_readdir_size = sizeof(struct dirent) + MAXPATHLEN + 1;
	127	#endif /* HAS_READDIR_R */
	128	#ifdef HAS_READDIR64_R
	129	/* This is the size Solaris recommends.
	130	* (though we go static, should use pathconf() instead) */
	131	PL_reentrant_buffer->_readdir64_size = sizeof(struct dirent64) + MAXPATHLEN + 1;
	132	#endif /* HAS_READDIR64_R */
	133	#ifdef HAS_SETLOCALE_R
8695fa85	134	PL_reentrant_buffer->_setlocale_size = REENTRANTSMALLSIZE;
10bc17b6 JH	135	#endif /* HAS_SETLOCALE_R */
10bc17b6 JH	136	#ifdef HAS_STRERROR_R
8695fa85	137	PL_reentrant_buffer->_strerror_size = REENTRANTSMALLSIZE;
10bc17b6 JH	138	#endif /* HAS_STRERROR_R */
10bc17b6 JH	139	#ifdef HAS_TTYNAME_R
8695fa85	140	PL_reentrant_buffer->_ttyname_size = REENTRANTSMALLSIZE;
10bc17b6 JH	141	#endif /* HAS_TTYNAME_R */
	142
	143	#endif /* USE_REENTRANT_API */
	144	}
	145
	146	void
	147	Perl_reentrant_init(pTHX) {
	148	#ifdef USE_REENTRANT_API
	149	New(31337, PL_reentrant_buffer, 1, REENTR);
	150	Perl_reentrant_size(aTHX);
	151	#ifdef HAS_ASCTIME_R
	152	New(31338, PL_reentrant_buffer->_asctime_buffer, PL_reentrant_buffer->_asctime_size, char);
	153	#endif /* HAS_ASCTIME_R */
	154	#ifdef HAS_CRYPT_R
5338c2bb JH	155	#if CRYPT_R_PROTO != REENTRANT_PROTO_B_CCD
5338c2bb JH	156	PL_reentrant_buffer->_crypt_struct_buffer = 0;
10bc17b6 JH	157	#endif
	158	#endif /* HAS_CRYPT_R */
	159	#ifdef HAS_CTIME_R
	160	New(31338, PL_reentrant_buffer->_ctime_buffer, PL_reentrant_buffer->_ctime_size, char);
	161	#endif /* HAS_CTIME_R */
	162	#ifdef HAS_DRAND48_R
	163	#endif /* HAS_DRAND48_R */
	164	#ifdef HAS_GETGRNAM_R
f7937171 JH	165	# ifdef USE_GRENT_FPTR
f7937171 JH	166	PL_reentrant_buffer->_grent_fptr = NULL;
10bc17b6	167	# endif
f7937171	168	New(31338, 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)
f7937171	172	New(31338, 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
	176	New(31338, PL_reentrant_buffer->_getlogin_buffer, PL_reentrant_buffer->_getlogin_size, char);
	177	#endif /* HAS_GETLOGIN_R */
	178	#ifdef HAS_GETNETBYNAME_R
	179	#if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	180	New(31338, 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)
f7937171	185	New(31338, 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
f7937171	192	New(31338, 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)
f7937171	196	New(31338, 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
	203	New(31338, PL_reentrant_buffer->_spent_buffer, PL_reentrant_buffer->_spent_size, char);
10bc17b6 JH	204	#endif /* HAS_GETSPNAM_R */
	205	#ifdef HAS_GMTIME_R
	206	#endif /* HAS_GMTIME_R */
	207	#ifdef HAS_LOCALTIME_R
	208	#endif /* HAS_LOCALTIME_R */
	209	#ifdef HAS_RANDOM_R
	210	#endif /* HAS_RANDOM_R */
	211	#ifdef HAS_READDIR_R
	212	PL_reentrant_buffer->_readdir_struct = (struct dirent*)safemalloc(PL_reentrant_buffer->_readdir_size);
	213	#endif /* HAS_READDIR_R */
	214	#ifdef HAS_READDIR64_R
	215	PL_reentrant_buffer->_readdir64_struct = (struct dirent64*)safemalloc(PL_reentrant_buffer->_readdir64_size);
	216	#endif /* HAS_READDIR64_R */
	217	#ifdef HAS_SETLOCALE_R
	218	New(31338, PL_reentrant_buffer->_setlocale_buffer, PL_reentrant_buffer->_setlocale_size, char);
	219	#endif /* HAS_SETLOCALE_R */
	220	#ifdef HAS_STRERROR_R
	221	New(31338, PL_reentrant_buffer->_strerror_buffer, PL_reentrant_buffer->_strerror_size, char);
	222	#endif /* HAS_STRERROR_R */
	223	#ifdef HAS_TTYNAME_R
	224	New(31338, PL_reentrant_buffer->_ttyname_buffer, PL_reentrant_buffer->_ttyname_size, char);
	225	#endif /* HAS_TTYNAME_R */
	226
	227	#endif /* USE_REENTRANT_API */
	228	}
	229
	230	void
	231	Perl_reentrant_free(pTHX) {
	232	#ifdef USE_REENTRANT_API
	233	#ifdef HAS_ASCTIME_R
	234	Safefree(PL_reentrant_buffer->_asctime_buffer);
	235	#endif /* HAS_ASCTIME_R */
	236	#ifdef HAS_CRYPT_R
5338c2bb JH	237	#if CRYPT_R_PROTO != REENTRANT_PROTO_B_CCD
	238	Safefree(PL_reentrant_buffer->_crypt_struct_buffer);
	239	#endif
10bc17b6 JH	240	#endif /* HAS_CRYPT_R */
	241	#ifdef HAS_CTIME_R
	242	Safefree(PL_reentrant_buffer->_ctime_buffer);
	243	#endif /* HAS_CTIME_R */
	244	#ifdef HAS_DRAND48_R
	245	#endif /* HAS_DRAND48_R */
	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 JH	277	#endif /* HAS_GETSPNAM_R */
	278	#ifdef HAS_GMTIME_R
	279	#endif /* HAS_GMTIME_R */
	280	#ifdef HAS_LOCALTIME_R
	281	#endif /* HAS_LOCALTIME_R */
	282	#ifdef HAS_RANDOM_R
	283	#endif /* HAS_RANDOM_R */
	284	#ifdef HAS_READDIR_R
	285	Safefree(PL_reentrant_buffer->_readdir_struct);
	286	#endif /* HAS_READDIR_R */
	287	#ifdef HAS_READDIR64_R
	288	Safefree(PL_reentrant_buffer->_readdir64_struct);
	289	#endif /* HAS_READDIR64_R */
	290	#ifdef HAS_SETLOCALE_R
	291	Safefree(PL_reentrant_buffer->_setlocale_buffer);
	292	#endif /* HAS_SETLOCALE_R */
	293	#ifdef HAS_STRERROR_R
	294	Safefree(PL_reentrant_buffer->_strerror_buffer);
	295	#endif /* HAS_STRERROR_R */
	296	#ifdef HAS_TTYNAME_R
	297	Safefree(PL_reentrant_buffer->_ttyname_buffer);
	298	#endif /* HAS_TTYNAME_R */
	299
	300	Safefree(PL_reentrant_buffer);
	301	#endif /* USE_REENTRANT_API */
	302	}
	303
edd309b7 JH	304	void*
	305	Perl_reentrant_retry(const char *f, ...)
	306	{
	307	dTHX;
	308	void *retptr = NULL;
	309	#ifdef USE_REENTRANT_API
630cd32b	310	# 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	311	void *p0;
e3410746 SR	312	# endif
f7937171	313	# if defined(USE_SERVENT_BUFFER)
e3410746 SR	314	void *p1;
e3410746 SR	315	# endif
f7937171	316	# if defined(USE_HOSTENT_BUFFER)
edd309b7	317	size_t asize;
e3410746	318	# endif
f7937171	319	# if defined(USE_HOSTENT_BUFFER) \|\| defined(USE_NETENT_BUFFER) \|\| defined(USE_PROTOENT_BUFFER) \|\| defined(USE_SERVENT_BUFFER)
edd309b7	320	int anint;
e3410746	321	# endif
edd309b7 JH	322	va_list ap;
	323
	324	va_start(ap, f);
	325
edd309b7	326	switch (PL_op->op_type) {
f7937171	327	#ifdef USE_HOSTENT_BUFFER
edd309b7 JH	328	case OP_GHBYADDR:
	329	case OP_GHBYNAME:
	330	case OP_GHOSTENT:
	331	{
5b7ea690 JH	332	#ifdef PERL_REENTRANT_MAXSIZE
	333	if (PL_reentrant_buffer->_hostent_size <=
	334	PERL_REENTRANT_MAXSIZE / 2)
	335	#endif
	336	{
f7937171 JH	337	PL_reentrant_buffer->_hostent_size *= 2;
	338	Renew(PL_reentrant_buffer->_hostent_buffer,
	339	PL_reentrant_buffer->_hostent_size, char);
edd309b7 JH	340	switch (PL_op->op_type) {
	341	case OP_GHBYADDR:
	342	p0 = va_arg(ap, void *);
	343	asize = va_arg(ap, size_t);
	344	anint = va_arg(ap, int);
	345	retptr = gethostbyaddr(p0, asize, anint); break;
	346	case OP_GHBYNAME:
	347	p0 = va_arg(ap, void *);
da01b85b	348	retptr = gethostbyname((char *)p0); break;
edd309b7 JH	349	case OP_GHOSTENT:
	350	retptr = gethostent(); break;
	351	default:
c45c44aa	352	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	353	break;
	354	}
	355	}
	356	}
	357	break;
	358	#endif
f7937171	359	#ifdef USE_GRENT_BUFFER
edd309b7 JH	360	case OP_GGRNAM:
	361	case OP_GGRGID:
	362	case OP_GGRENT:
	363	{
5b7ea690 JH	364	#ifdef PERL_REENTRANT_MAXSIZE
	365	if (PL_reentrant_buffer->_grent_size <=
	366	PERL_REENTRANT_MAXSIZE / 2)
	367	#endif
	368	{
edd309b7	369	Gid_t gid;
f7937171 JH	370	PL_reentrant_buffer->_grent_size *= 2;
	371	Renew(PL_reentrant_buffer->_grent_buffer,
	372	PL_reentrant_buffer->_grent_size, char);
edd309b7 JH	373	switch (PL_op->op_type) {
	374	case OP_GGRNAM:
	375	p0 = va_arg(ap, void *);
da01b85b	376	retptr = getgrnam((char *)p0); break;
edd309b7	377	case OP_GGRGID:
ecde6dd6 NA	378	#if Gid_t_size < INTSIZE
	379	gid = (Gid_t)va_arg(ap, int);
	380	#else
edd309b7	381	gid = va_arg(ap, Gid_t);
ecde6dd6	382	#endif
edd309b7 JH	383	retptr = getgrgid(gid); break;
	384	case OP_GGRENT:
	385	retptr = getgrent(); break;
	386	default:
c45c44aa	387	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	388	break;
	389	}
	390	}
	391	}
	392	break;
	393	#endif
f7937171	394	#ifdef USE_NETENT_BUFFER
edd309b7 JH	395	case OP_GNBYADDR:
	396	case OP_GNBYNAME:
	397	case OP_GNETENT:
	398	{
5b7ea690 JH	399	#ifdef PERL_REENTRANT_MAXSIZE
	400	if (PL_reentrant_buffer->_netent_size <=
	401	PERL_REENTRANT_MAXSIZE / 2)
	402	#endif
	403	{
edd309b7	404	Netdb_net_t net;
f7937171 JH	405	PL_reentrant_buffer->_netent_size *= 2;
	406	Renew(PL_reentrant_buffer->_netent_buffer,
	407	PL_reentrant_buffer->_netent_size, char);
edd309b7 JH	408	switch (PL_op->op_type) {
	409	case OP_GNBYADDR:
	410	net = va_arg(ap, Netdb_net_t);
	411	anint = va_arg(ap, int);
	412	retptr = getnetbyaddr(net, anint); break;
	413	case OP_GNBYNAME:
	414	p0 = va_arg(ap, void *);
da01b85b	415	retptr = getnetbyname((char *)p0); break;
edd309b7 JH	416	case OP_GNETENT:
	417	retptr = getnetent(); break;
	418	default:
c45c44aa	419	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	420	break;
	421	}
	422	}
	423	}
	424	break;
	425	#endif
f7937171	426	#ifdef USE_PWENT_BUFFER
edd309b7 JH	427	case OP_GPWNAM:
	428	case OP_GPWUID:
	429	case OP_GPWENT:
	430	{
5b7ea690 JH	431	#ifdef PERL_REENTRANT_MAXSIZE
	432	if (PL_reentrant_buffer->_pwent_size <=
	433	PERL_REENTRANT_MAXSIZE / 2)
	434	#endif
	435	{
edd309b7	436	Uid_t uid;
f7937171 JH	437	PL_reentrant_buffer->_pwent_size *= 2;
	438	Renew(PL_reentrant_buffer->_pwent_buffer,
	439	PL_reentrant_buffer->_pwent_size, char);
edd309b7 JH	440	switch (PL_op->op_type) {
	441	case OP_GPWNAM:
	442	p0 = va_arg(ap, void *);
da01b85b	443	retptr = getpwnam((char *)p0); break;
edd309b7	444	case OP_GPWUID:
ecde6dd6 NA	445	#if Uid_t_size < INTSIZE
	446	uid = (Uid_t)va_arg(ap, int);
	447	#else
edd309b7	448	uid = va_arg(ap, Uid_t);
ecde6dd6	449	#endif
edd309b7 JH	450	retptr = getpwuid(uid); break;
	451	case OP_GPWENT:
	452	retptr = getpwent(); break;
	453	default:
c45c44aa	454	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	455	break;
	456	}
	457	}
	458	}
	459	break;
	460	#endif
f7937171	461	#ifdef USE_PROTOENT_BUFFER
edd309b7 JH	462	case OP_GPBYNAME:
	463	case OP_GPBYNUMBER:
	464	case OP_GPROTOENT:
	465	{
5b7ea690 JH	466	#ifdef PERL_REENTRANT_MAXSIZE
	467	if (PL_reentrant_buffer->_protoent_size <=
	468	PERL_REENTRANT_MAXSIZE / 2)
	469	#endif
	470	{
f7937171 JH	471	PL_reentrant_buffer->_protoent_size *= 2;
	472	Renew(PL_reentrant_buffer->_protoent_buffer,
	473	PL_reentrant_buffer->_protoent_size, char);
edd309b7 JH	474	switch (PL_op->op_type) {
	475	case OP_GPBYNAME:
	476	p0 = va_arg(ap, void *);
da01b85b	477	retptr = getprotobyname((char *)p0); break;
edd309b7 JH	478	case OP_GPBYNUMBER:
	479	anint = va_arg(ap, int);
	480	retptr = getprotobynumber(anint); break;
	481	case OP_GPROTOENT:
	482	retptr = getprotoent(); break;
	483	default:
c45c44aa	484	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	485	break;
	486	}
	487	}
	488	}
	489	break;
	490	#endif
f7937171	491	#ifdef USE_SERVENT_BUFFER
edd309b7 JH	492	case OP_GSBYNAME:
	493	case OP_GSBYPORT:
	494	case OP_GSERVENT:
	495	{
5b7ea690 JH	496	#ifdef PERL_REENTRANT_MAXSIZE
	497	if (PL_reentrant_buffer->_servent_size <=
	498	PERL_REENTRANT_MAXSIZE / 2)
	499	#endif
	500	{
f7937171 JH	501	PL_reentrant_buffer->_servent_size *= 2;
	502	Renew(PL_reentrant_buffer->_servent_buffer,
	503	PL_reentrant_buffer->_servent_size, char);
edd309b7 JH	504	switch (PL_op->op_type) {
	505	case OP_GSBYNAME:
	506	p0 = va_arg(ap, void *);
	507	p1 = va_arg(ap, void *);
da01b85b	508	retptr = getservbyname((char )p0, (char )p1); break;
edd309b7 JH	509	case OP_GSBYPORT:
	510	anint = va_arg(ap, int);
	511	p0 = va_arg(ap, void *);
da01b85b	512	retptr = getservbyport(anint, (char *)p0); break;
edd309b7 JH	513	case OP_GSERVENT:
	514	retptr = getservent(); break;
	515	default:
c45c44aa	516	SETERRNO(ERANGE, LIB_INVARG);
edd309b7 JH	517	break;
	518	}
	519	}
	520	}
	521	break;
	522	#endif
	523	default:
	524	/* Not known how to retry, so just fail. */
	525	break;
	526	}
	527
	528	va_end(ap);
	529	#endif
	530	return retptr;
	531	}
	532