• file
• revisions
• annotate
• diff
• comparison
• raw

nsprpub/config/libc_r.h@6474c204b198 (annotated)

nsprpub/config/libc_r.h

Wed, 31 Dec 2014 06:09:35 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Wed, 31 Dec 2014 06:09:35 +0100

changeset 0

6474c204b198

permissions

-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0	1	/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0	2	/* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	3	* License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0	4	* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	5
michael@0	6	/* libc_r.h -- macros, defines, etc. to make using reentrant libc calls */
michael@0	7	/* a bit easier. This was initially done for AIX pthreads, */
michael@0	8	/* but should be usable for anyone... */
michael@0	9
michael@0	10	/* Most of these use locally defined space instead of static library space. */
michael@0	11	/* Because of this, we use the _INIT_R to declare/allocate space (stack), */
michael@0	12	/* and the plain routines to actually do it..._WARNING_: avoid allocating */
michael@0	13	/* memory wherever possible. Memory allocation is fairly expensive, at */
michael@0	14	/* least on AIX...use arrays instead (which allocate from the stack.) */
michael@0	15	/* I know the names are a bit strange, but I wanted to be fairly certain */
michael@0	16	/* that we didn't have any namespace corruption...in general, the inits are */
michael@0	17	/* R_<name>_INIT_R(), and the actual calls are R_<name>_R(). */
michael@0	18
michael@0	19	#ifndef _LIBC_R_H
michael@0	20	#define _LIBC_R_H
michael@0	21
michael@0	22	/************/
michael@0	23	/* strtok */
michael@0	24	/************/
michael@0	25	#define R_STRTOK_INIT_R() \
michael@0	26	char *r_strtok_r=NULL
michael@0	27
michael@0	28	#define R_STRTOK_R(return,source,delim) \
michael@0	29	return=strtok_r(source,delim,&r_strtok_r)
michael@0	30
michael@0	31	#define R_STRTOK_NORET_R(source,delim) \
michael@0	32	strtok_r(source,delim,&r_strtok_r)
michael@0	33
michael@0	34	/**************/
michael@0	35	/* strerror */
michael@0	36	/**************/
michael@0	37	#define R_MAX_STRERROR_LEN_R 8192 /* Straight from limits.h */
michael@0	38
michael@0	39	#define R_STRERROR_INIT_R() \
michael@0	40	char r_strerror_r[R_MAX_STRERROR_LEN_R]
michael@0	41
michael@0	42	#define R_STRERROR_R(val) \
michael@0	43	strerror_r(val,r_strerror_r,R_MAX_STRERROR_LEN_R)
michael@0	44
michael@0	45	/*****************/
michael@0	46	/* time things */
michael@0	47	/*****************/
michael@0	48	#define R_ASCTIME_INIT_R() \
michael@0	49	char r_asctime_r[26]
michael@0	50
michael@0	51	#define R_ASCTIME_R(val) \
michael@0	52	asctime_r(val,r_asctime_r)
michael@0	53
michael@0	54	#define R_CTIME_INIT_R() \
michael@0	55	char r_ctime_r[26]
michael@0	56
michael@0	57	#define R_CTIME_R(val) \
michael@0	58	ctime_r(val,r_ctime_r)
michael@0	59
michael@0	60	#define R_GMTIME_INIT_R() \
michael@0	61	struct tm r_gmtime_r
michael@0	62
michael@0	63	#define R_GMTIME_R(time) \
michael@0	64	gmtime_r(time,&r_gmtime_r)
michael@0	65
michael@0	66	#define R_LOCALTIME_INIT_R() \
michael@0	67	struct tm r_localtime_r
michael@0	68
michael@0	69	#define R_LOCALTIME_R(val) \
michael@0	70	localtime_r(val,&r_localtime_r)
michael@0	71
michael@0	72	/***********/
michael@0	73	/* crypt */
michael@0	74	/***********/
michael@0	75	#include <crypt.h>
michael@0	76	#define R_CRYPT_INIT_R() \
michael@0	77	CRYPTD r_cryptd_r; \
michael@0	78	bzero(&r_cryptd_r,sizeof(CRYPTD))
michael@0	79
michael@0	80	#define R_CRYPT_R(pass,salt) \
michael@0	81	crypt_r(pass,salt,&r_cryptd_r)
michael@0	82
michael@0	83	/**************/
michael@0	84	/* pw stuff */
michael@0	85	/**************/
michael@0	86	#define R_MAX_PW_LEN_R 1024
michael@0	87	/* The following must be after the last declaration, but */
michael@0	88	/* before the first bit of code... */
michael@0	89	#define R_GETPWNAM_INIT_R(pw_ptr) \
michael@0	90	struct passwd r_getpwnam_pw_r; \
michael@0	91	char r_getpwnam_line_r[R_MAX_PW_LEN_R]; \
michael@0	92	pw_ptr = &r_getpwnam_pw_r
michael@0	93
michael@0	94	#define R_GETPWNAM_R(name) \
michael@0	95	getpwnam_r(name,&r_getpwnam_pw_r,r_getpwnam_line_r,R_MAX_PW_LEN_R)
michael@0	96
michael@0	97	/*******************/
michael@0	98	/* gethost stuff */
michael@0	99	/*******************/
michael@0	100	#define R_GETHOSTBYADDR_INIT_R() \
michael@0	101	struct hostent r_gethostbyaddr_r; \
michael@0	102	struct hostent_data r_gethostbyaddr_data_r
michael@0	103
michael@0	104	#define R_GETHOSTBYADDR_R(addr,len,type,xptr_ent) \
michael@0	105	bzero(&r_gethostbyaddr_r,sizeof(struct hostent)); \
michael@0	106	bzero(&r_gethostbyaddr_data_r,sizeof(struct hostent_data)); \
michael@0	107	xptr_ent = &r_gethostbyaddr_r; \
michael@0	108	if (gethostbyaddr_r(addr,len,type, \
michael@0	109	&r_gethostbyaddr_r,&r_gethostbyaddr_data_r) == -1) { \
michael@0	110	xptr_ent = NULL; \
michael@0	111	}
michael@0	112
michael@0	113	#define R_GETHOSTBYNAME_INIT_R() \
michael@0	114	struct hostent r_gethostbyname_r; \
michael@0	115	struct hostent_data r_gethostbyname_data_r
michael@0	116
michael@0	117	#define R_GETHOSTBYNAME_R(name,xptr_ent) \
michael@0	118	bzero(&r_gethostbyname_r,sizeof(struct hostent)); \
michael@0	119	bzero(&r_gethostbyname_data_r,sizeof(struct hostent_data)); \
michael@0	120	xptr_ent = &r_gethostbyname_r; \
michael@0	121	if (gethostbyname_r(name, \
michael@0	122	&r_gethostbyname_r,&r_gethostbyname_data_r) == -1) { \
michael@0	123	xptr_ent = NULL; \
michael@0	124	}
michael@0	125
michael@0	126	#endif /* _LIBC_R_H */