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Commit	Line	Data
	1	/* -- buffer-read-only: t --
	2	*
	3	* reentr.c
	4	*
	5	* Copyright (C) 2002, 2003, 2005, 2006, 2007 by Larry Wall and others
	6	*
	7	* You may distribute under the terms of either the GNU General Public
	8	* License or the Artistic License, as specified in the README file.
	9	*
	10	* !!!!!!! DO NOT EDIT THIS FILE !!!!!!!
	11	* This file is built by regen/reentr.pl from data in regen/reentr.pl.
	12	* Any changes made here will be lost!
	13	*/
	14
	15	/*
	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	*
	19	* [p.260 of _The Lord of the Rings_, II/ii: "The Council of Elrond"]
	20	*/
	21
	22	/*
	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.
	29	*/
	30
	31	#include "EXTERN.h"
	32	#define PERL_IN_REENTR_C
	33	#include "perl.h"
	34	#include "reentr.h"
	35
	36	void
	37	Perl_reentrant_size(pTHX) {
	38	PERL_UNUSED_CONTEXT;
	39	#ifdef USE_REENTRANT_API
	40	#define REENTRANTSMALLSIZE 256 /* Make something up. */
	41	#define REENTRANTUSUALSIZE 4096 /* Make something up. */
	42	#ifdef HAS_ASCTIME_R
	43	PL_reentrant_buffer->_asctime_size = REENTRANTSMALLSIZE;
	44	#endif /* HAS_ASCTIME_R */
	45	#ifdef HAS_CRYPT_R
	46	#endif /* HAS_CRYPT_R */
	47	#ifdef HAS_CTIME_R
	48	PL_reentrant_buffer->_ctime_size = REENTRANTSMALLSIZE;
	49	#endif /* HAS_CTIME_R */
	50	#ifdef HAS_GETGRNAM_R
	51	# if defined(HAS_SYSCONF) && defined(_SC_GETGR_R_SIZE_MAX) && !defined(__GLIBC__)
	52	PL_reentrant_buffer->_grent_size = sysconf(_SC_GETGR_R_SIZE_MAX);
	53	if (PL_reentrant_buffer->_grent_size == (size_t) -1)
	54	PL_reentrant_buffer->_grent_size = REENTRANTUSUALSIZE;
	55	# else
	56	# if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
	57	PL_reentrant_buffer->_grent_size = SIABUFSIZ;
	58	# else
	59	# ifdef __sgi
	60	PL_reentrant_buffer->_grent_size = BUFSIZ;
	61	# else
	62	PL_reentrant_buffer->_grent_size = REENTRANTUSUALSIZE;
	63	# endif
	64	# endif
	65	# endif
	66	#endif /* HAS_GETGRNAM_R */
	67	#ifdef HAS_GETHOSTBYNAME_R
	68	#if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
	69	PL_reentrant_buffer->_hostent_size = REENTRANTUSUALSIZE;
	70	#endif
	71	#endif /* HAS_GETHOSTBYNAME_R */
	72	#ifdef HAS_GETLOGIN_R
	73	PL_reentrant_buffer->_getlogin_size = REENTRANTSMALLSIZE;
	74	#endif /* HAS_GETLOGIN_R */
	75	#ifdef HAS_GETNETBYNAME_R
	76	#if !(GETNETBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
	77	PL_reentrant_buffer->_netent_size = REENTRANTUSUALSIZE;
	78	#endif
	79	#endif /* HAS_GETNETBYNAME_R */
	80	#ifdef HAS_GETPROTOBYNAME_R
	81	#if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
	82	PL_reentrant_buffer->_protoent_size = REENTRANTUSUALSIZE;
	83	#endif
	84	#endif /* HAS_GETPROTOBYNAME_R */
	85	#ifdef HAS_GETPWNAM_R
	86	# if defined(HAS_SYSCONF) && defined(_SC_GETPW_R_SIZE_MAX) && !defined(__GLIBC__)
	87	PL_reentrant_buffer->_pwent_size = sysconf(_SC_GETPW_R_SIZE_MAX);
	88	if (PL_reentrant_buffer->_pwent_size == (size_t) -1)
	89	PL_reentrant_buffer->_pwent_size = REENTRANTUSUALSIZE;
	90	# else
	91	# if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
	92	PL_reentrant_buffer->_pwent_size = SIABUFSIZ;
	93	# else
	94	# ifdef __sgi
	95	PL_reentrant_buffer->_pwent_size = BUFSIZ;
	96	# else
	97	PL_reentrant_buffer->_pwent_size = REENTRANTUSUALSIZE;
	98	# endif
	99	# endif
	100	# endif
	101	#endif /* HAS_GETPWNAM_R */
	102	#ifdef HAS_GETSERVBYNAME_R
	103	#if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD)
	104	PL_reentrant_buffer->_servent_size = REENTRANTUSUALSIZE;
	105	#endif
	106	#endif /* HAS_GETSERVBYNAME_R */
	107	#ifdef HAS_GETSPNAM_R
	108	# if defined(HAS_SYSCONF) && defined(_SC_GETPW_R_SIZE_MAX) && !defined(__GLIBC__)
	109	PL_reentrant_buffer->_spent_size = sysconf(_SC_GETPW_R_SIZE_MAX);
	110	if (PL_reentrant_buffer->_spent_size == (size_t) -1)
	111	PL_reentrant_buffer->_spent_size = REENTRANTUSUALSIZE;
	112	# else
	113	# if defined(__osf__) && defined(__alpha) && defined(SIABUFSIZ)
	114	PL_reentrant_buffer->_spent_size = SIABUFSIZ;
	115	# else
	116	# ifdef __sgi
	117	PL_reentrant_buffer->_spent_size = BUFSIZ;
	118	# else
	119	PL_reentrant_buffer->_spent_size = REENTRANTUSUALSIZE;
	120	# endif
	121	# endif
	122	# endif
	123	#endif /* HAS_GETSPNAM_R */
	124	#ifdef HAS_READDIR_R
	125	/* This is the size Solaris recommends.
	126	* (though we go static, should use pathconf() instead) */
	127	PL_reentrant_buffer->_readdir_size = sizeof(struct dirent) + MAXPATHLEN + 1;
	128	#endif /* HAS_READDIR_R */
	129	#ifdef HAS_READDIR64_R
	130	/* This is the size Solaris recommends.
	131	* (though we go static, should use pathconf() instead) */
	132	PL_reentrant_buffer->_readdir64_size = sizeof(struct dirent64) + MAXPATHLEN + 1;
	133	#endif /* HAS_READDIR64_R */
	134	#ifdef HAS_SETLOCALE_R
	135	PL_reentrant_buffer->_setlocale_size = REENTRANTSMALLSIZE;
	136	#endif /* HAS_SETLOCALE_R */
	137	#ifdef HAS_STRERROR_R
	138	PL_reentrant_buffer->_strerror_size = REENTRANTSMALLSIZE;
	139	#endif /* HAS_STRERROR_R */
	140	#ifdef HAS_TTYNAME_R
	141	PL_reentrant_buffer->_ttyname_size = REENTRANTSMALLSIZE;
	142	#endif /* HAS_TTYNAME_R */
	143
	144	#endif /* USE_REENTRANT_API */
	145	}
	146
	147	void
	148	Perl_reentrant_init(pTHX) {
	149	PERL_UNUSED_CONTEXT;
	150	#ifdef USE_REENTRANT_API
	151	Newx(PL_reentrant_buffer, 1, REENTR);
	152	Perl_reentrant_size(aTHX);
	153	#ifdef HAS_ASCTIME_R
	154	Newx(PL_reentrant_buffer->_asctime_buffer, PL_reentrant_buffer->_asctime_size, char);
	155	#endif /* HAS_ASCTIME_R */
	156	#ifdef HAS_CRYPT_R
	157	#if CRYPT_R_PROTO != REENTRANT_PROTO_B_CCD
	158	PL_reentrant_buffer->_crypt_struct_buffer = 0;
	159	#endif
	160	#endif /* HAS_CRYPT_R */
	161	#ifdef HAS_CTIME_R
	162	Newx(PL_reentrant_buffer->_ctime_buffer, PL_reentrant_buffer->_ctime_size, char);
	163	#endif /* HAS_CTIME_R */
	164	#ifdef HAS_GETGRNAM_R
	165	# ifdef USE_GRENT_FPTR
	166	PL_reentrant_buffer->_grent_fptr = NULL;
	167	# endif
	168	Newx(PL_reentrant_buffer->_grent_buffer, PL_reentrant_buffer->_grent_size, char);
	169	#endif /* HAS_GETGRNAM_R */
	170	#ifdef HAS_GETHOSTBYNAME_R
	171	#if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
	172	Newx(PL_reentrant_buffer->_hostent_buffer, PL_reentrant_buffer->_hostent_size, char);
	173	#endif
	174	#endif /* HAS_GETHOSTBYNAME_R */
	175	#ifdef HAS_GETLOGIN_R
	176	Newx(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)
	180	Newx(PL_reentrant_buffer->_netent_buffer, PL_reentrant_buffer->_netent_size, char);
	181	#endif
	182	#endif /* HAS_GETNETBYNAME_R */
	183	#ifdef HAS_GETPROTOBYNAME_R
	184	#if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
	185	Newx(PL_reentrant_buffer->_protoent_buffer, PL_reentrant_buffer->_protoent_size, char);
	186	#endif
	187	#endif /* HAS_GETPROTOBYNAME_R */
	188	#ifdef HAS_GETPWNAM_R
	189	# ifdef USE_PWENT_FPTR
	190	PL_reentrant_buffer->_pwent_fptr = NULL;
	191	# endif
	192	Newx(PL_reentrant_buffer->_pwent_buffer, PL_reentrant_buffer->_pwent_size, char);
	193	#endif /* HAS_GETPWNAM_R */
	194	#ifdef HAS_GETSERVBYNAME_R
	195	#if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD)
	196	Newx(PL_reentrant_buffer->_servent_buffer, PL_reentrant_buffer->_servent_size, char);
	197	#endif
	198	#endif /* HAS_GETSERVBYNAME_R */
	199	#ifdef HAS_GETSPNAM_R
	200	# ifdef USE_SPENT_FPTR
	201	PL_reentrant_buffer->_spent_fptr = NULL;
	202	# endif
	203	Newx(PL_reentrant_buffer->_spent_buffer, PL_reentrant_buffer->_spent_size, char);
	204	#endif /* HAS_GETSPNAM_R */
	205	#ifdef HAS_READDIR_R
	206	PL_reentrant_buffer->_readdir_struct = (struct dirent*)safemalloc(PL_reentrant_buffer->_readdir_size);
	207	#endif /* HAS_READDIR_R */
	208	#ifdef HAS_READDIR64_R
	209	PL_reentrant_buffer->_readdir64_struct = (struct dirent64*)safemalloc(PL_reentrant_buffer->_readdir64_size);
	210	#endif /* HAS_READDIR64_R */
	211	#ifdef HAS_SETLOCALE_R
	212	Newx(PL_reentrant_buffer->_setlocale_buffer, PL_reentrant_buffer->_setlocale_size, char);
	213	#endif /* HAS_SETLOCALE_R */
	214	#ifdef HAS_STRERROR_R
	215	Newx(PL_reentrant_buffer->_strerror_buffer, PL_reentrant_buffer->_strerror_size, char);
	216	#endif /* HAS_STRERROR_R */
	217	#ifdef HAS_TTYNAME_R
	218	Newx(PL_reentrant_buffer->_ttyname_buffer, PL_reentrant_buffer->_ttyname_size, char);
	219	#endif /* HAS_TTYNAME_R */
	220
	221	#endif /* USE_REENTRANT_API */
	222	}
	223
	224	void
	225	Perl_reentrant_free(pTHX) {
	226	PERL_UNUSED_CONTEXT;
	227	#ifdef USE_REENTRANT_API
	228	#ifdef HAS_ASCTIME_R
	229	Safefree(PL_reentrant_buffer->_asctime_buffer);
	230	#endif /* HAS_ASCTIME_R */
	231	#ifdef HAS_CRYPT_R
	232	#if CRYPT_R_PROTO != REENTRANT_PROTO_B_CCD
	233	Safefree(PL_reentrant_buffer->_crypt_struct_buffer);
	234	#endif
	235	#endif /* HAS_CRYPT_R */
	236	#ifdef HAS_CTIME_R
	237	Safefree(PL_reentrant_buffer->_ctime_buffer);
	238	#endif /* HAS_CTIME_R */
	239	#ifdef HAS_GETGRNAM_R
	240	Safefree(PL_reentrant_buffer->_grent_buffer);
	241	#endif /* HAS_GETGRNAM_R */
	242	#ifdef HAS_GETHOSTBYNAME_R
	243	#if !(GETHOSTBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
	244	Safefree(PL_reentrant_buffer->_hostent_buffer);
	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)
	252	Safefree(PL_reentrant_buffer->_netent_buffer);
	253	#endif
	254	#endif /* HAS_GETNETBYNAME_R */
	255	#ifdef HAS_GETPROTOBYNAME_R
	256	#if !(GETPROTOBYNAME_R_PROTO == REENTRANT_PROTO_I_CSD)
	257	Safefree(PL_reentrant_buffer->_protoent_buffer);
	258	#endif
	259	#endif /* HAS_GETPROTOBYNAME_R */
	260	#ifdef HAS_GETPWNAM_R
	261	Safefree(PL_reentrant_buffer->_pwent_buffer);
	262	#endif /* HAS_GETPWNAM_R */
	263	#ifdef HAS_GETSERVBYNAME_R
	264	#if !(GETSERVBYNAME_R_PROTO == REENTRANT_PROTO_I_CCSD)
	265	Safefree(PL_reentrant_buffer->_servent_buffer);
	266	#endif
	267	#endif /* HAS_GETSERVBYNAME_R */
	268	#ifdef HAS_GETSPNAM_R
	269	Safefree(PL_reentrant_buffer->_spent_buffer);
	270	#endif /* HAS_GETSPNAM_R */
	271	#ifdef HAS_READDIR_R
	272	Safefree(PL_reentrant_buffer->_readdir_struct);
	273	#endif /* HAS_READDIR_R */
	274	#ifdef HAS_READDIR64_R
	275	Safefree(PL_reentrant_buffer->_readdir64_struct);
	276	#endif /* HAS_READDIR64_R */
	277	#ifdef HAS_SETLOCALE_R
	278	Safefree(PL_reentrant_buffer->_setlocale_buffer);
	279	#endif /* HAS_SETLOCALE_R */
	280	#ifdef HAS_STRERROR_R
	281	Safefree(PL_reentrant_buffer->_strerror_buffer);
	282	#endif /* HAS_STRERROR_R */
	283	#ifdef HAS_TTYNAME_R
	284	Safefree(PL_reentrant_buffer->_ttyname_buffer);
	285	#endif /* HAS_TTYNAME_R */
	286
	287	Safefree(PL_reentrant_buffer);
	288	#endif /* USE_REENTRANT_API */
	289	}
	290
	291	void*
	292	Perl_reentrant_retry(const char *f, ...)
	293	{
	294	void *retptr = NULL;
	295	va_list ap;
	296	#ifdef USE_REENTRANT_API
	297	dTHX;
	298	/* Easier to special case this here than in embed.pl. (Look at what it
	299	generates for proto.h) */
	300	PERL_ARGS_ASSERT_REENTRANT_RETRY;
	301	#endif
	302	va_start(ap, f);
	303	{
	304	#ifdef USE_REENTRANT_API
	305	# if defined(USE_HOSTENT_BUFFER) \|\| defined(USE_GRENT_BUFFER) \|\| defined(USE_NETENT_BUFFER) \|\| defined(USE_PWENT_BUFFER) \|\| defined(USE_PROTOENT_BUFFER) \|\| defined(USE_SERVENT_BUFFER)
	306	void *p0;
	307	# endif
	308	# if defined(USE_SERVENT_BUFFER)
	309	void *p1;
	310	# endif
	311	# if defined(USE_HOSTENT_BUFFER)
	312	size_t asize;
	313	# endif
	314	# if defined(USE_HOSTENT_BUFFER) \|\| defined(USE_NETENT_BUFFER) \|\| defined(USE_PROTOENT_BUFFER) \|\| defined(USE_SERVENT_BUFFER)
	315	int anint;
	316	# endif
	317
	318	switch (PL_op->op_type) {
	319	#ifdef USE_HOSTENT_BUFFER
	320	case OP_GHBYADDR:
	321	case OP_GHBYNAME:
	322	case OP_GHOSTENT:
	323	{
	324	#ifdef PERL_REENTRANT_MAXSIZE
	325	if (PL_reentrant_buffer->_hostent_size <=
	326	PERL_REENTRANT_MAXSIZE / 2)
	327	#endif
	328	{
	329	PL_reentrant_buffer->_hostent_size *= 2;
	330	Renew(PL_reentrant_buffer->_hostent_buffer,
	331	PL_reentrant_buffer->_hostent_size, char);
	332	switch (PL_op->op_type) {
	333	case OP_GHBYADDR:
	334	p0 = va_arg(ap, void *);
	335	asize = va_arg(ap, size_t);
	336	anint = va_arg(ap, int);
	337	retptr = gethostbyaddr(p0, asize, anint); break;
	338	case OP_GHBYNAME:
	339	p0 = va_arg(ap, void *);
	340	retptr = gethostbyname((char *)p0); break;
	341	case OP_GHOSTENT:
	342	retptr = gethostent(); break;
	343	default:
	344	SETERRNO(ERANGE, LIB_INVARG);
	345	break;
	346	}
	347	}
	348	}
	349	break;
	350	#endif
	351	#ifdef USE_GRENT_BUFFER
	352	case OP_GGRNAM:
	353	case OP_GGRGID:
	354	case OP_GGRENT:
	355	{
	356	#ifdef PERL_REENTRANT_MAXSIZE
	357	if (PL_reentrant_buffer->_grent_size <=
	358	PERL_REENTRANT_MAXSIZE / 2)
	359	#endif
	360	{
	361	Gid_t gid;
	362	PL_reentrant_buffer->_grent_size *= 2;
	363	Renew(PL_reentrant_buffer->_grent_buffer,
	364	PL_reentrant_buffer->_grent_size, char);
	365	switch (PL_op->op_type) {
	366	case OP_GGRNAM:
	367	p0 = va_arg(ap, void *);
	368	retptr = getgrnam((char *)p0); break;
	369	case OP_GGRGID:
	370	#if Gid_t_size < INTSIZE
	371	gid = (Gid_t)va_arg(ap, int);
	372	#else
	373	gid = va_arg(ap, Gid_t);
	374	#endif
	375	retptr = getgrgid(gid); break;
	376	case OP_GGRENT:
	377	retptr = getgrent(); break;
	378	default:
	379	SETERRNO(ERANGE, LIB_INVARG);
	380	break;
	381	}
	382	}
	383	}
	384	break;
	385	#endif
	386	#ifdef USE_NETENT_BUFFER
	387	case OP_GNBYADDR:
	388	case OP_GNBYNAME:
	389	case OP_GNETENT:
	390	{
	391	#ifdef PERL_REENTRANT_MAXSIZE
	392	if (PL_reentrant_buffer->_netent_size <=
	393	PERL_REENTRANT_MAXSIZE / 2)
	394	#endif
	395	{
	396	Netdb_net_t net;
	397	PL_reentrant_buffer->_netent_size *= 2;
	398	Renew(PL_reentrant_buffer->_netent_buffer,
	399	PL_reentrant_buffer->_netent_size, char);
	400	switch (PL_op->op_type) {
	401	case OP_GNBYADDR:
	402	net = va_arg(ap, Netdb_net_t);
	403	anint = va_arg(ap, int);
	404	retptr = getnetbyaddr(net, anint); break;
	405	case OP_GNBYNAME:
	406	p0 = va_arg(ap, void *);
	407	retptr = getnetbyname((char *)p0); break;
	408	case OP_GNETENT:
	409	retptr = getnetent(); break;
	410	default:
	411	SETERRNO(ERANGE, LIB_INVARG);
	412	break;
	413	}
	414	}
	415	}
	416	break;
	417	#endif
	418	#ifdef USE_PWENT_BUFFER
	419	case OP_GPWNAM:
	420	case OP_GPWUID:
	421	case OP_GPWENT:
	422	{
	423	#ifdef PERL_REENTRANT_MAXSIZE
	424	if (PL_reentrant_buffer->_pwent_size <=
	425	PERL_REENTRANT_MAXSIZE / 2)
	426	#endif
	427	{
	428	Uid_t uid;
	429	PL_reentrant_buffer->_pwent_size *= 2;
	430	Renew(PL_reentrant_buffer->_pwent_buffer,
	431	PL_reentrant_buffer->_pwent_size, char);
	432	switch (PL_op->op_type) {
	433	case OP_GPWNAM:
	434	p0 = va_arg(ap, void *);
	435	retptr = getpwnam((char *)p0); break;
	436	case OP_GPWUID:
	437	#if Uid_t_size < INTSIZE
	438	uid = (Uid_t)va_arg(ap, int);
	439	#else
	440	uid = va_arg(ap, Uid_t);
	441	#endif
	442	retptr = getpwuid(uid); break;
	443	#if defined(HAS_GETPWENT) \|\| defined(HAS_GETPWENT_R)
	444	case OP_GPWENT:
	445	retptr = getpwent(); break;
	446	#endif
	447	default:
	448	SETERRNO(ERANGE, LIB_INVARG);
	449	break;
	450	}
	451	}
	452	}
	453	break;
	454	#endif
	455	#ifdef USE_PROTOENT_BUFFER
	456	case OP_GPBYNAME:
	457	case OP_GPBYNUMBER:
	458	case OP_GPROTOENT:
	459	{
	460	#ifdef PERL_REENTRANT_MAXSIZE
	461	if (PL_reentrant_buffer->_protoent_size <=
	462	PERL_REENTRANT_MAXSIZE / 2)
	463	#endif
	464	{
	465	PL_reentrant_buffer->_protoent_size *= 2;
	466	Renew(PL_reentrant_buffer->_protoent_buffer,
	467	PL_reentrant_buffer->_protoent_size, char);
	468	switch (PL_op->op_type) {
	469	case OP_GPBYNAME:
	470	p0 = va_arg(ap, void *);
	471	retptr = getprotobyname((char *)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	SETERRNO(ERANGE, LIB_INVARG);
	479	break;
	480	}
	481	}
	482	}
	483	break;
	484	#endif
	485	#ifdef USE_SERVENT_BUFFER
	486	case OP_GSBYNAME:
	487	case OP_GSBYPORT:
	488	case OP_GSERVENT:
	489	{
	490	#ifdef PERL_REENTRANT_MAXSIZE
	491	if (PL_reentrant_buffer->_servent_size <=
	492	PERL_REENTRANT_MAXSIZE / 2)
	493	#endif
	494	{
	495	PL_reentrant_buffer->_servent_size *= 2;
	496	Renew(PL_reentrant_buffer->_servent_buffer,
	497	PL_reentrant_buffer->_servent_size, char);
	498	switch (PL_op->op_type) {
	499	case OP_GSBYNAME:
	500	p0 = va_arg(ap, void *);
	501	p1 = va_arg(ap, void *);
	502	retptr = getservbyname((char )p0, (char )p1); break;
	503	case OP_GSBYPORT:
	504	anint = va_arg(ap, int);
	505	p0 = va_arg(ap, void *);
	506	retptr = getservbyport(anint, (char *)p0); break;
	507	case OP_GSERVENT:
	508	retptr = getservent(); break;
	509	default:
	510	SETERRNO(ERANGE, LIB_INVARG);
	511	break;
	512	}
	513	}
	514	}
	515	break;
	516	#endif
	517	default:
	518	/* Not known how to retry, so just fail. */
	519	break;
	520	}
	521	#else
	522	PERL_UNUSED_ARG(f);
	523	#endif
	524	}
	525	va_end(ap);
	526	return retptr;
	527	}
	528
	529	/* ex: set ro: */