[p5sagit/p5-mst-13.2.git] / reentr.c

/*
 *    reentr.c
 *
 *    Copyright (c) 1997-2002, Larry Wall
 *
 *    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 reentrl.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!"
 *
 */

#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_GETPW_R_SIZE_MAX) && !defined(__GLIBC__)
	PL_reentrant_buffer->_grent_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->_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->_pwent_size == -1)
		PL_reentrant_buffer->_pwent_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
#ifdef __GLIBC__
	PL_reentrant_buffer->_crypt_struct.initialized = 0;
	/* work around glibc-2.2.5 bug */
	PL_reentrant_buffer->_crypt_struct.current_saltbits = 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
#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_SRVENT_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
#ifdef PERL_REENTRANT_MAXSIZE
    static const char larger[] = "Result from %s larger than %d bytes";
#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(p0); break;
	        case OP_GHOSTENT:
		    retptr = gethostent(); break;
	        default:
		    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(p0); break;
	        case OP_GGRGID:
		    gid = va_arg(ap, Gid_t);
		    retptr = getgrgid(gid); break;
	        case OP_GGRENT:
		    retptr = getgrent(); break;
	        default:
		    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(p0); break;
	        case OP_GNETENT:
		    retptr = getnetent(); break;
	        default:
		    break;
	        }
	    }
#ifdef PERL_REENTRANT_MAXSIZE
	    else if (ckWARN(WARN_MISC))
		Perl_warner(aTHX_ packWARN(WARN_MISC),
			    larger, OP_NAME(PL_op), PERL_REENTRANT_MAXSIZE);
#endif
	}
	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(p0); break;
	        case OP_GPWUID:
		    uid = va_arg(ap, Uid_t);
		    retptr = getpwuid(uid); break;
	        case OP_GPWENT:
		    retptr = getpwent(); break;
	        default:
		    break;
	        }
	    }
#ifdef PERL_REENTRANT_MAXSIZE
	    else if (ckWARN(WARN_MISC))
		Perl_warner(aTHX_ packWARN(WARN_MISC),
			    larger, OP_NAME(PL_op), PERL_REENTRANT_MAXSIZE);
#endif
	}
	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(p0); break;
	        case OP_GPBYNUMBER:
		    anint = va_arg(ap, int);
		    retptr = getprotobynumber(anint); break;
	        case OP_GPROTOENT:
		    retptr = getprotoent(); break;
	        default:
		    break;
	        }
	    }
#ifdef PERL_REENTRANT_MAXSIZE
	    else if (ckWARN(WARN_MISC))
		Perl_warner(aTHX_ packWARN(WARN_MISC),
			    larger, OP_NAME(PL_op), PERL_REENTRANT_MAXSIZE);
#endif
	}
	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(p0, p1); break;
	        case OP_GSBYPORT:
		    anint = va_arg(ap, int);
		    p0 = va_arg(ap, void *);
		    retptr = getservbyport(anint, p0); break;
	        case OP_GSERVENT:
		    retptr = getservent(); break;
	        default:
		    break;
	        }
	    }
#ifdef PERL_REENTRANT_MAXSIZE
	    else if (ckWARN(WARN_MISC))
		Perl_warner(aTHX_ packWARN(WARN_MISC),
			    larger, OP_NAME(PL_op), PERL_REENTRANT_MAXSIZE);
#endif
	}
	break;
#endif
    default:
	/* Not known how to retry, so just fail. */
	break;
    }

    va_end(ap);
#endif
    return retptr;
}
Commit	Line	Data
10bc17b6	1	/*
	2	* reentr.c
	3	*
	4	* Copyright (c) 1997-2002, Larry Wall
	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 !!!!!!!
	10	* This file is built by reentrl.pl from data in reentr.pl.
	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	*
	15	*/
	16
	17	#include "EXTERN.h"
	18	#define PERL_IN_REENTR_C
	19	#include "perl.h"
	20	#include "reentr.h"
	21
	22	void
	23	Perl_reentrant_size(pTHX) {
	24	#ifdef USE_REENTRANT_API
8695fa85	25	#define REENTRANTSMALLSIZE 256 /* Make something up. */
8695fa85	26	#define REENTRANTUSUALSIZE 4096 /* Make something up. */
10bc17b6	27	#ifdef HAS_ASCTIME_R
8695fa85	28	PL_reentrant_buffer->_asctime_size = REENTRANTSMALLSIZE;
10bc17b6	29	#endif /* HAS_ASCTIME_R */
	30	#ifdef HAS_CRYPT_R
	31	#endif /* HAS_CRYPT_R */
	32	#ifdef HAS_CTIME_R
8695fa85	33	PL_reentrant_buffer->_ctime_size = REENTRANTSMALLSIZE;
10bc17b6	34	#endif /* HAS_CTIME_R */
	35	#ifdef HAS_DRAND48_R
	36	#endif /* HAS_DRAND48_R */
	37	#ifdef HAS_GETGRNAM_R
f7937171	38	# if defined(HAS_SYSCONF) && defined(_SC_GETPW_R_SIZE_MAX) && !defined(__GLIBC__)
	39	PL_reentrant_buffer->_grent_size = sysconf(_SC_GETPW_R_SIZE_MAX);
	40	if (PL_reentrant_buffer->_pwent_size == -1)
	41	PL_reentrant_buffer->_pwent_size = REENTRANTUSUALSIZE;
10bc17b6	42	# else
10bc17b6	43	# if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
f7937171	44	PL_reentrant_buffer->_grent_size = SIABUFSIZ;
10bc17b6	45	# else
10bc17b6	46	# ifdef __sgi
f7937171	47	PL_reentrant_buffer->_grent_size = BUFSIZ;
10bc17b6	48	# else
f7937171	49	PL_reentrant_buffer->_grent_size = REENTRANTUSUALSIZE;
10bc17b6	50	# endif
	51	# endif
	52	# endif
	53	#endif /* HAS_GETGRNAM_R */
	54	#ifdef HAS_GETHOSTBYNAME_R
	55	#if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	56	PL_reentrant_buffer->_hostent_size = REENTRANTUSUALSIZE;
10bc17b6	57	#endif
	58	#endif /* HAS_GETHOSTBYNAME_R */
	59	#ifdef HAS_GETLOGIN_R
8695fa85	60	PL_reentrant_buffer->_getlogin_size = REENTRANTSMALLSIZE;
10bc17b6	61	#endif /* HAS_GETLOGIN_R */
	62	#ifdef HAS_GETNETBYNAME_R
	63	#if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	64	PL_reentrant_buffer->_netent_size = REENTRANTUSUALSIZE;
10bc17b6	65	#endif
	66	#endif /* HAS_GETNETBYNAME_R */
	67	#ifdef HAS_GETPROTOBYNAME_R
	68	#if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	69	PL_reentrant_buffer->_protoent_size = REENTRANTUSUALSIZE;
10bc17b6	70	#endif
	71	#endif /* HAS_GETPROTOBYNAME_R */
	72	#ifdef HAS_GETPWNAM_R
	73	# if defined(HAS_SYSCONF) && defined(_SC_GETPW_R_SIZE_MAX) && !defined(__GLIBC__)
f7937171	74	PL_reentrant_buffer->_pwent_size = sysconf(_SC_GETPW_R_SIZE_MAX);
	75	if (PL_reentrant_buffer->_pwent_size == -1)
	76	PL_reentrant_buffer->_pwent_size = REENTRANTUSUALSIZE;
10bc17b6	77	# else
10bc17b6	78	# if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
f7937171	79	PL_reentrant_buffer->_pwent_size = SIABUFSIZ;
10bc17b6	80	# else
10bc17b6	81	# ifdef __sgi
f7937171	82	PL_reentrant_buffer->_pwent_size = BUFSIZ;
10bc17b6	83	# else
f7937171	84	PL_reentrant_buffer->_pwent_size = REENTRANTUSUALSIZE;
10bc17b6	85	# endif
	86	# endif
	87	# endif
	88	#endif /* HAS_GETPWNAM_R */
	89	#ifdef HAS_GETSERVBYNAME_R
	90	#if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD)
f7937171	91	PL_reentrant_buffer->_servent_size = REENTRANTUSUALSIZE;
10bc17b6	92	#endif
	93	#endif /* HAS_GETSERVBYNAME_R */
	94	#ifdef HAS_GETSPNAM_R
f7937171	95	# if defined(HAS_SYSCONF) && defined(_SC_GETPW_R_SIZE_MAX) && !defined(__GLIBC__)
	96	PL_reentrant_buffer->_spent_size = sysconf(_SC_GETPW_R_SIZE_MAX);
	97	if (PL_reentrant_buffer->_pwent_size == -1)
	98	PL_reentrant_buffer->_pwent_size = REENTRANTUSUALSIZE;
	99	# else
	100	# if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
	101	PL_reentrant_buffer->_spent_size = SIABUFSIZ;
	102	# else
	103	# ifdef __sgi
	104	PL_reentrant_buffer->_spent_size = BUFSIZ;
	105	# else
	106	PL_reentrant_buffer->_spent_size = REENTRANTUSUALSIZE;
	107	# endif
	108	# endif
	109	# endif
10bc17b6	110	#endif /* HAS_GETSPNAM_R */
	111	#ifdef HAS_GMTIME_R
	112	#endif /* HAS_GMTIME_R */
	113	#ifdef HAS_LOCALTIME_R
	114	#endif /* HAS_LOCALTIME_R */
	115	#ifdef HAS_RANDOM_R
	116	#endif /* HAS_RANDOM_R */
	117	#ifdef HAS_READDIR_R
	118	/* This is the size Solaris recommends.
	119	* (though we go static, should use pathconf() instead) */
	120	PL_reentrant_buffer->_readdir_size = sizeof(struct dirent) + MAXPATHLEN + 1;
	121	#endif /* HAS_READDIR_R */
	122	#ifdef HAS_READDIR64_R
	123	/* This is the size Solaris recommends.
	124	* (though we go static, should use pathconf() instead) */
	125	PL_reentrant_buffer->_readdir64_size = sizeof(struct dirent64) + MAXPATHLEN + 1;
	126	#endif /* HAS_READDIR64_R */
	127	#ifdef HAS_SETLOCALE_R
8695fa85	128	PL_reentrant_buffer->_setlocale_size = REENTRANTSMALLSIZE;
10bc17b6	129	#endif /* HAS_SETLOCALE_R */
10bc17b6	130	#ifdef HAS_STRERROR_R
8695fa85	131	PL_reentrant_buffer->_strerror_size = REENTRANTSMALLSIZE;
10bc17b6	132	#endif /* HAS_STRERROR_R */
10bc17b6	133	#ifdef HAS_TTYNAME_R
8695fa85	134	PL_reentrant_buffer->_ttyname_size = REENTRANTSMALLSIZE;
10bc17b6	135	#endif /* HAS_TTYNAME_R */
	136
	137	#endif /* USE_REENTRANT_API */
	138	}
	139
	140	void
	141	Perl_reentrant_init(pTHX) {
	142	#ifdef USE_REENTRANT_API
	143	New(31337, PL_reentrant_buffer, 1, REENTR);
	144	Perl_reentrant_size(aTHX);
	145	#ifdef HAS_ASCTIME_R
	146	New(31338, PL_reentrant_buffer->_asctime_buffer, PL_reentrant_buffer->_asctime_size, char);
	147	#endif /* HAS_ASCTIME_R */
	148	#ifdef HAS_CRYPT_R
	149	#ifdef __GLIBC__
	150	PL_reentrant_buffer->_crypt_struct.initialized = 0;
d5abad05	151	/* work around glibc-2.2.5 bug */
d5abad05	152	PL_reentrant_buffer->_crypt_struct.current_saltbits = 0;
10bc17b6	153	#endif
	154	#endif /* HAS_CRYPT_R */
	155	#ifdef HAS_CTIME_R
	156	New(31338, PL_reentrant_buffer->_ctime_buffer, PL_reentrant_buffer->_ctime_size, char);
	157	#endif /* HAS_CTIME_R */
	158	#ifdef HAS_DRAND48_R
	159	#endif /* HAS_DRAND48_R */
	160	#ifdef HAS_GETGRNAM_R
f7937171	161	# ifdef USE_GRENT_FPTR
f7937171	162	PL_reentrant_buffer->_grent_fptr = NULL;
10bc17b6	163	# endif
f7937171	164	New(31338, PL_reentrant_buffer->_grent_buffer, PL_reentrant_buffer->_grent_size, char);
10bc17b6	165	#endif /* HAS_GETGRNAM_R */
	166	#ifdef HAS_GETHOSTBYNAME_R
	167	#if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	168	New(31338, PL_reentrant_buffer->_hostent_buffer, PL_reentrant_buffer->_hostent_size, char);
10bc17b6	169	#endif
	170	#endif /* HAS_GETHOSTBYNAME_R */
	171	#ifdef HAS_GETLOGIN_R
	172	New(31338, PL_reentrant_buffer->_getlogin_buffer, PL_reentrant_buffer->_getlogin_size, char);
	173	#endif /* HAS_GETLOGIN_R */
	174	#ifdef HAS_GETNETBYNAME_R
	175	#if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	176	New(31338, PL_reentrant_buffer->_netent_buffer, PL_reentrant_buffer->_netent_size, char);
10bc17b6	177	#endif
	178	#endif /* HAS_GETNETBYNAME_R */
	179	#ifdef HAS_GETPROTOBYNAME_R
	180	#if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
f7937171	181	New(31338, PL_reentrant_buffer->_protoent_buffer, PL_reentrant_buffer->_protoent_size, char);
10bc17b6	182	#endif
	183	#endif /* HAS_GETPROTOBYNAME_R */
	184	#ifdef HAS_GETPWNAM_R
f7937171	185	# ifdef USE_PWENT_FPTR
f7937171	186	PL_reentrant_buffer->_pwent_fptr = NULL;
10bc17b6	187	# endif
f7937171	188	New(31338, PL_reentrant_buffer->_pwent_buffer, PL_reentrant_buffer->_pwent_size, char);
10bc17b6	189	#endif /* HAS_GETPWNAM_R */
	190	#ifdef HAS_GETSERVBYNAME_R
	191	#if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD)
f7937171	192	New(31338, PL_reentrant_buffer->_servent_buffer, PL_reentrant_buffer->_servent_size, char);
10bc17b6	193	#endif
	194	#endif /* HAS_GETSERVBYNAME_R */
	195	#ifdef HAS_GETSPNAM_R
f7937171	196	# ifdef USE_SPENT_FPTR
	197	PL_reentrant_buffer->_spent_fptr = NULL;
	198	# endif
	199	New(31338, PL_reentrant_buffer->_spent_buffer, PL_reentrant_buffer->_spent_size, char);
10bc17b6	200	#endif /* HAS_GETSPNAM_R */
	201	#ifdef HAS_GMTIME_R
	202	#endif /* HAS_GMTIME_R */
	203	#ifdef HAS_LOCALTIME_R
	204	#endif /* HAS_LOCALTIME_R */
	205	#ifdef HAS_RANDOM_R
	206	#endif /* HAS_RANDOM_R */
	207	#ifdef HAS_READDIR_R
	208	PL_reentrant_buffer->_readdir_struct = (struct dirent*)safemalloc(PL_reentrant_buffer->_readdir_size);
	209	#endif /* HAS_READDIR_R */
	210	#ifdef HAS_READDIR64_R
	211	PL_reentrant_buffer->_readdir64_struct = (struct dirent64*)safemalloc(PL_reentrant_buffer->_readdir64_size);
	212	#endif /* HAS_READDIR64_R */
	213	#ifdef HAS_SETLOCALE_R
	214	New(31338, PL_reentrant_buffer->_setlocale_buffer, PL_reentrant_buffer->_setlocale_size, char);
	215	#endif /* HAS_SETLOCALE_R */
	216	#ifdef HAS_STRERROR_R
	217	New(31338, PL_reentrant_buffer->_strerror_buffer, PL_reentrant_buffer->_strerror_size, char);
	218	#endif /* HAS_STRERROR_R */
	219	#ifdef HAS_TTYNAME_R
	220	New(31338, PL_reentrant_buffer->_ttyname_buffer, PL_reentrant_buffer->_ttyname_size, char);
	221	#endif /* HAS_TTYNAME_R */
	222
	223	#endif /* USE_REENTRANT_API */
	224	}
	225
	226	void
	227	Perl_reentrant_free(pTHX) {
	228	#ifdef USE_REENTRANT_API
	229	#ifdef HAS_ASCTIME_R
	230	Safefree(PL_reentrant_buffer->_asctime_buffer);
	231	#endif /* HAS_ASCTIME_R */
	232	#ifdef HAS_CRYPT_R
	233	#endif /* HAS_CRYPT_R */
	234	#ifdef HAS_CTIME_R
	235	Safefree(PL_reentrant_buffer->_ctime_buffer);
	236	#endif /* HAS_CTIME_R */
	237	#ifdef HAS_DRAND48_R
	238	#endif /* HAS_DRAND48_R */
	239	#ifdef HAS_GETGRNAM_R
f7937171	240	Safefree(PL_reentrant_buffer->_grent_buffer);
10bc17b6	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	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	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	258	#endif
	259	#endif /* HAS_GETPROTOBYNAME_R */
	260	#ifdef HAS_GETPWNAM_R
f7937171	261	Safefree(PL_reentrant_buffer->_pwent_buffer);
10bc17b6	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	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 */
	271	#ifdef HAS_GMTIME_R
	272	#endif /* HAS_GMTIME_R */
	273	#ifdef HAS_LOCALTIME_R
	274	#endif /* HAS_LOCALTIME_R */
	275	#ifdef HAS_RANDOM_R
	276	#endif /* HAS_RANDOM_R */
	277	#ifdef HAS_READDIR_R
	278	Safefree(PL_reentrant_buffer->_readdir_struct);
	279	#endif /* HAS_READDIR_R */
	280	#ifdef HAS_READDIR64_R
	281	Safefree(PL_reentrant_buffer->_readdir64_struct);
	282	#endif /* HAS_READDIR64_R */
	283	#ifdef HAS_SETLOCALE_R
	284	Safefree(PL_reentrant_buffer->_setlocale_buffer);
	285	#endif /* HAS_SETLOCALE_R */
	286	#ifdef HAS_STRERROR_R
	287	Safefree(PL_reentrant_buffer->_strerror_buffer);
	288	#endif /* HAS_STRERROR_R */
	289	#ifdef HAS_TTYNAME_R
	290	Safefree(PL_reentrant_buffer->_ttyname_buffer);
	291	#endif /* HAS_TTYNAME_R */
	292
	293	Safefree(PL_reentrant_buffer);
	294	#endif /* USE_REENTRANT_API */
	295	}
	296
edd309b7	297	void*
	298	Perl_reentrant_retry(const char *f, ...)
	299	{
	300	dTHX;
	301	void *retptr = NULL;
	302	#ifdef USE_REENTRANT_API
f7937171	303	# if defined(USE_HOSTENT_BUFFER) \|\| defined(USE_GRENT_BUFFER) \|\| defined(USE_NETENT_BUFFER) \|\| defined(USE_PWENT_BUFFER) \|\| defined(USE_PROTOENT_BUFFER) \|\| defined(USE_SRVENT_BUFFER)
e3410746	304	void *p0;
e3410746	305	# endif
f7937171	306	# if defined(USE_SERVENT_BUFFER)
e3410746	307	void *p1;
e3410746	308	# endif
f7937171	309	# if defined(USE_HOSTENT_BUFFER)
edd309b7	310	size_t asize;
e3410746	311	# endif
f7937171	312	# if defined(USE_HOSTENT_BUFFER) \|\| defined(USE_NETENT_BUFFER) \|\| defined(USE_PROTOENT_BUFFER) \|\| defined(USE_SERVENT_BUFFER)
edd309b7	313	int anint;
e3410746	314	# endif
af685957	315	#ifdef PERL_REENTRANT_MAXSIZE
	316	static const char larger[] = "Result from %s larger than %d bytes";
	317	#endif
edd309b7	318	va_list ap;
	319
	320	va_start(ap, f);
	321
edd309b7	322	switch (PL_op->op_type) {
f7937171	323	#ifdef USE_HOSTENT_BUFFER
edd309b7	324	case OP_GHBYADDR:
	325	case OP_GHBYNAME:
	326	case OP_GHOSTENT:
	327	{
af685957	328	#ifdef PERL_REENTRANT_MAXSIZE
	329	if (PL_reentrant_buffer->_hostent_size <=
	330	PERL_REENTRANT_MAXSIZE / 2)
	331	#endif
	332	{
f7937171	333	PL_reentrant_buffer->_hostent_size *= 2;
	334	Renew(PL_reentrant_buffer->_hostent_buffer,
	335	PL_reentrant_buffer->_hostent_size, char);
edd309b7	336	switch (PL_op->op_type) {
	337	case OP_GHBYADDR:
	338	p0 = va_arg(ap, void *);
	339	asize = va_arg(ap, size_t);
	340	anint = va_arg(ap, int);
	341	retptr = gethostbyaddr(p0, asize, anint); break;
	342	case OP_GHBYNAME:
	343	p0 = va_arg(ap, void *);
	344	retptr = gethostbyname(p0); break;
	345	case OP_GHOSTENT:
	346	retptr = gethostent(); break;
	347	default:
	348	break;
	349	}
	350	}
	351	}
	352	break;
	353	#endif
f7937171	354	#ifdef USE_GRENT_BUFFER
edd309b7	355	case OP_GGRNAM:
	356	case OP_GGRGID:
	357	case OP_GGRENT:
	358	{
af685957	359	#ifdef PERL_REENTRANT_MAXSIZE
	360	if (PL_reentrant_buffer->_grent_size <=
	361	PERL_REENTRANT_MAXSIZE / 2)
	362	#endif
	363	{
edd309b7	364	Gid_t gid;
f7937171	365	PL_reentrant_buffer->_grent_size *= 2;
	366	Renew(PL_reentrant_buffer->_grent_buffer,
	367	PL_reentrant_buffer->_grent_size, char);
edd309b7	368	switch (PL_op->op_type) {
	369	case OP_GGRNAM:
	370	p0 = va_arg(ap, void *);
	371	retptr = getgrnam(p0); break;
	372	case OP_GGRGID:
	373	gid = va_arg(ap, Gid_t);
	374	retptr = getgrgid(gid); break;
	375	case OP_GGRENT:
	376	retptr = getgrent(); break;
	377	default:
	378	break;
	379	}
	380	}
	381	}
	382	break;
	383	#endif
f7937171	384	#ifdef USE_NETENT_BUFFER
edd309b7	385	case OP_GNBYADDR:
	386	case OP_GNBYNAME:
	387	case OP_GNETENT:
	388	{
af685957	389	#ifdef PERL_REENTRANT_MAXSIZE
	390	if (PL_reentrant_buffer->_netent_size <=
	391	PERL_REENTRANT_MAXSIZE / 2)
	392	#endif
	393	{
edd309b7	394	Netdb_net_t net;
f7937171	395	PL_reentrant_buffer->_netent_size *= 2;
	396	Renew(PL_reentrant_buffer->_netent_buffer,
	397	PL_reentrant_buffer->_netent_size, char);
edd309b7	398	switch (PL_op->op_type) {
	399	case OP_GNBYADDR:
	400	net = va_arg(ap, Netdb_net_t);
	401	anint = va_arg(ap, int);
	402	retptr = getnetbyaddr(net, anint); break;
	403	case OP_GNBYNAME:
	404	p0 = va_arg(ap, void *);
	405	retptr = getnetbyname(p0); break;
	406	case OP_GNETENT:
	407	retptr = getnetent(); break;
	408	default:
	409	break;
	410	}
	411	}
af685957	412	#ifdef PERL_REENTRANT_MAXSIZE
	413	else if (ckWARN(WARN_MISC))
	414	Perl_warner(aTHX_ packWARN(WARN_MISC),
	415	larger, OP_NAME(PL_op), PERL_REENTRANT_MAXSIZE);
	416	#endif
edd309b7	417	}
	418	break;
	419	#endif
f7937171	420	#ifdef USE_PWENT_BUFFER
edd309b7	421	case OP_GPWNAM:
	422	case OP_GPWUID:
	423	case OP_GPWENT:
	424	{
af685957	425	#ifdef PERL_REENTRANT_MAXSIZE
	426	if (PL_reentrant_buffer->_pwent_size <=
	427	PERL_REENTRANT_MAXSIZE / 2)
	428	#endif
	429	{
edd309b7	430	Uid_t uid;
f7937171	431	PL_reentrant_buffer->_pwent_size *= 2;
	432	Renew(PL_reentrant_buffer->_pwent_buffer,
	433	PL_reentrant_buffer->_pwent_size, char);
edd309b7	434	switch (PL_op->op_type) {
	435	case OP_GPWNAM:
	436	p0 = va_arg(ap, void *);
	437	retptr = getpwnam(p0); break;
	438	case OP_GPWUID:
	439	uid = va_arg(ap, Uid_t);
	440	retptr = getpwuid(uid); break;
	441	case OP_GPWENT:
	442	retptr = getpwent(); break;
	443	default:
	444	break;
	445	}
	446	}
af685957	447	#ifdef PERL_REENTRANT_MAXSIZE
	448	else if (ckWARN(WARN_MISC))
	449	Perl_warner(aTHX_ packWARN(WARN_MISC),
	450	larger, OP_NAME(PL_op), PERL_REENTRANT_MAXSIZE);
	451	#endif
edd309b7	452	}
	453	break;
	454	#endif
f7937171	455	#ifdef USE_PROTOENT_BUFFER
edd309b7	456	case OP_GPBYNAME:
	457	case OP_GPBYNUMBER:
	458	case OP_GPROTOENT:
	459	{
af685957	460	#ifdef PERL_REENTRANT_MAXSIZE
	461	if (PL_reentrant_buffer->_protoent_size <=
	462	PERL_REENTRANT_MAXSIZE / 2)
	463	#endif
	464	{
f7937171	465	PL_reentrant_buffer->_protoent_size *= 2;
	466	Renew(PL_reentrant_buffer->_protoent_buffer,
	467	PL_reentrant_buffer->_protoent_size, char);
edd309b7	468	switch (PL_op->op_type) {
	469	case OP_GPBYNAME:
	470	p0 = va_arg(ap, void *);
	471	retptr = getprotobyname(p0); break;
	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:
	478	break;
	479	}
	480	}
af685957	481	#ifdef PERL_REENTRANT_MAXSIZE
	482	else if (ckWARN(WARN_MISC))
	483	Perl_warner(aTHX_ packWARN(WARN_MISC),
	484	larger, OP_NAME(PL_op), PERL_REENTRANT_MAXSIZE);
	485	#endif
edd309b7	486	}
	487	break;
	488	#endif
f7937171	489	#ifdef USE_SERVENT_BUFFER
edd309b7	490	case OP_GSBYNAME:
	491	case OP_GSBYPORT:
	492	case OP_GSERVENT:
	493	{
af685957	494	#ifdef PERL_REENTRANT_MAXSIZE
	495	if (PL_reentrant_buffer->_servent_size <=
	496	PERL_REENTRANT_MAXSIZE / 2)
	497	#endif
	498	{
f7937171	499	PL_reentrant_buffer->_servent_size *= 2;
	500	Renew(PL_reentrant_buffer->_servent_buffer,
	501	PL_reentrant_buffer->_servent_size, char);
edd309b7	502	switch (PL_op->op_type) {
	503	case OP_GSBYNAME:
	504	p0 = va_arg(ap, void *);
	505	p1 = va_arg(ap, void *);
	506	retptr = getservbyname(p0, p1); break;
	507	case OP_GSBYPORT:
	508	anint = va_arg(ap, int);
	509	p0 = va_arg(ap, void *);
	510	retptr = getservbyport(anint, p0); break;
	511	case OP_GSERVENT:
	512	retptr = getservent(); break;
	513	default:
	514	break;
	515	}
	516	}
af685957	517	#ifdef PERL_REENTRANT_MAXSIZE
	518	else if (ckWARN(WARN_MISC))
	519	Perl_warner(aTHX_ packWARN(WARN_MISC),
	520	larger, OP_NAME(PL_op), PERL_REENTRANT_MAXSIZE);
	521	#endif
edd309b7	522	}
	523	break;
	524	#endif
	525	default:
	526	/* Not known how to retry, so just fail. */
	527	break;
	528	}
	529
	530	va_end(ap);
	531	#endif
	532	return retptr;
	533	}
	534