diff options
Diffstat (limited to 'nsprpub/config/libc_r.h')
| -rw-r--r-- | nsprpub/config/libc_r.h | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/nsprpub/config/libc_r.h b/nsprpub/config/libc_r.h new file mode 100644 index 0000000000..8f144e3558 --- /dev/null +++ b/nsprpub/config/libc_r.h @@ -0,0 +1,126 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +/* 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 */ |