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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is the Netscape Portable Runtime (NSPR).
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998-2000
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/* libc_r.h -- macros, defines, etc. to make using reentrant libc calls */
/* a bit easier. This was initially done for AIX pthreads, */
/* but should be usable for anyone... */
/* Most of these use locally defined space instead of static library space. */
/* Because of this, we use the _INIT_R to declare/allocate space (stack), */
/* and the plain routines to actually do it..._WARNING_: avoid allocating */
/* memory wherever possible. Memory allocation is fairly expensive, at */
/* least on AIX...use arrays instead (which allocate from the stack.) */
/* I know the names are a bit strange, but I wanted to be fairly certain */
/* that we didn't have any namespace corruption...in general, the inits are */
/* R_<name>_INIT_R(), and the actual calls are R_<name>_R(). */
#ifndef _LIBC_R_H
#define _LIBC_R_H
/************/
/* strtok */
/************/
#define R_STRTOK_INIT_R() \
char *r_strtok_r=NULL
#define R_STRTOK_R(return,source,delim) \
return=strtok_r(source,delim,&r_strtok_r)
#define R_STRTOK_NORET_R(source,delim) \
strtok_r(source,delim,&r_strtok_r)
/**************/
/* strerror */
/**************/
#define R_MAX_STRERROR_LEN_R 8192 /* Straight from limits.h */
#define R_STRERROR_INIT_R() \
char r_strerror_r[R_MAX_STRERROR_LEN_R]
#define R_STRERROR_R(val) \
strerror_r(val,r_strerror_r,R_MAX_STRERROR_LEN_R)
/*****************/
/* time things */
/*****************/
#define R_ASCTIME_INIT_R() \
char r_asctime_r[26]
#define R_ASCTIME_R(val) \
asctime_r(val,r_asctime_r)
#define R_CTIME_INIT_R() \
char r_ctime_r[26]
#define R_CTIME_R(val) \
ctime_r(val,r_ctime_r)
#define R_GMTIME_INIT_R() \
struct tm r_gmtime_r
#define R_GMTIME_R(time) \
gmtime_r(time,&r_gmtime_r)
#define R_LOCALTIME_INIT_R() \
struct tm r_localtime_r
#define R_LOCALTIME_R(val) \
localtime_r(val,&r_localtime_r)
/***********/
/* crypt */
/***********/
#include <crypt.h>
#define R_CRYPT_INIT_R() \
CRYPTD r_cryptd_r; \
bzero(&r_cryptd_r,sizeof(CRYPTD))
#define R_CRYPT_R(pass,salt) \
crypt_r(pass,salt,&r_cryptd_r)
/**************/
/* pw stuff */
/**************/
#define R_MAX_PW_LEN_R 1024
/* The following must be after the last declaration, but */
/* before the first bit of code... */
#define R_GETPWNAM_INIT_R(pw_ptr) \
struct passwd r_getpwnam_pw_r; \
char r_getpwnam_line_r[R_MAX_PW_LEN_R]; \
pw_ptr = &r_getpwnam_pw_r
#define R_GETPWNAM_R(name) \
getpwnam_r(name,&r_getpwnam_pw_r,r_getpwnam_line_r,R_MAX_PW_LEN_R)
/*******************/
/* gethost stuff */
/*******************/
#define R_GETHOSTBYADDR_INIT_R() \
struct hostent r_gethostbyaddr_r; \
struct hostent_data r_gethostbyaddr_data_r
#define R_GETHOSTBYADDR_R(addr,len,type,xptr_ent) \
bzero(&r_gethostbyaddr_r,sizeof(struct hostent)); \
bzero(&r_gethostbyaddr_data_r,sizeof(struct hostent_data)); \
xptr_ent = &r_gethostbyaddr_r; \
if (gethostbyaddr_r(addr,len,type, \
&r_gethostbyaddr_r,&r_gethostbyaddr_data_r) == -1) { \
xptr_ent = NULL; \
}
#define R_GETHOSTBYNAME_INIT_R() \
struct hostent r_gethostbyname_r; \
struct hostent_data r_gethostbyname_data_r
#define R_GETHOSTBYNAME_R(name,xptr_ent) \
bzero(&r_gethostbyname_r,sizeof(struct hostent)); \
bzero(&r_gethostbyname_data_r,sizeof(struct hostent_data)); \
xptr_ent = &r_gethostbyname_r; \
if (gethostbyname_r(name, \
&r_gethostbyname_r,&r_gethostbyname_data_r) == -1) { \
xptr_ent = NULL; \
}
#endif /* _LIBC_R_H */
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