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comparison: nsprpub/config/libc_r.h
nsprpub/config/libc_r.h
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| -1:000000000000 | 0:78bc1a9a34cc |
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| 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 /* libc_r.h -- macros, defines, etc. to make using reentrant libc calls */ | |
| 7 /* a bit easier. This was initially done for AIX pthreads, */ | |
| 8 /* but should be usable for anyone... */ | |
| 9 | |
| 10 /* Most of these use locally defined space instead of static library space. */ | |
| 11 /* Because of this, we use the _INIT_R to declare/allocate space (stack), */ | |
| 12 /* and the plain routines to actually do it..._WARNING_: avoid allocating */ | |
| 13 /* memory wherever possible. Memory allocation is fairly expensive, at */ | |
| 14 /* least on AIX...use arrays instead (which allocate from the stack.) */ | |
| 15 /* I know the names are a bit strange, but I wanted to be fairly certain */ | |
| 16 /* that we didn't have any namespace corruption...in general, the inits are */ | |
| 17 /* R_<name>_INIT_R(), and the actual calls are R_<name>_R(). */ | |
| 18 | |
| 19 #ifndef _LIBC_R_H | |
| 20 #define _LIBC_R_H | |
| 21 | |
| 22 /************/ | |
| 23 /* strtok */ | |
| 24 /************/ | |
| 25 #define R_STRTOK_INIT_R() \ | |
| 26 char *r_strtok_r=NULL | |
| 27 | |
| 28 #define R_STRTOK_R(return,source,delim) \ | |
| 29 return=strtok_r(source,delim,&r_strtok_r) | |
| 30 | |
| 31 #define R_STRTOK_NORET_R(source,delim) \ | |
| 32 strtok_r(source,delim,&r_strtok_r) | |
| 33 | |
| 34 /**************/ | |
| 35 /* strerror */ | |
| 36 /**************/ | |
| 37 #define R_MAX_STRERROR_LEN_R 8192 /* Straight from limits.h */ | |
| 38 | |
| 39 #define R_STRERROR_INIT_R() \ | |
| 40 char r_strerror_r[R_MAX_STRERROR_LEN_R] | |
| 41 | |
| 42 #define R_STRERROR_R(val) \ | |
| 43 strerror_r(val,r_strerror_r,R_MAX_STRERROR_LEN_R) | |
| 44 | |
| 45 /*****************/ | |
| 46 /* time things */ | |
| 47 /*****************/ | |
| 48 #define R_ASCTIME_INIT_R() \ | |
| 49 char r_asctime_r[26] | |
| 50 | |
| 51 #define R_ASCTIME_R(val) \ | |
| 52 asctime_r(val,r_asctime_r) | |
| 53 | |
| 54 #define R_CTIME_INIT_R() \ | |
| 55 char r_ctime_r[26] | |
| 56 | |
| 57 #define R_CTIME_R(val) \ | |
| 58 ctime_r(val,r_ctime_r) | |
| 59 | |
| 60 #define R_GMTIME_INIT_R() \ | |
| 61 struct tm r_gmtime_r | |
| 62 | |
| 63 #define R_GMTIME_R(time) \ | |
| 64 gmtime_r(time,&r_gmtime_r) | |
| 65 | |
| 66 #define R_LOCALTIME_INIT_R() \ | |
| 67 struct tm r_localtime_r | |
| 68 | |
| 69 #define R_LOCALTIME_R(val) \ | |
| 70 localtime_r(val,&r_localtime_r) | |
| 71 | |
| 72 /***********/ | |
| 73 /* crypt */ | |
| 74 /***********/ | |
| 75 #include <crypt.h> | |
| 76 #define R_CRYPT_INIT_R() \ | |
| 77 CRYPTD r_cryptd_r; \ | |
| 78 bzero(&r_cryptd_r,sizeof(CRYPTD)) | |
| 79 | |
| 80 #define R_CRYPT_R(pass,salt) \ | |
| 81 crypt_r(pass,salt,&r_cryptd_r) | |
| 82 | |
| 83 /**************/ | |
| 84 /* pw stuff */ | |
| 85 /**************/ | |
| 86 #define R_MAX_PW_LEN_R 1024 | |
| 87 /* The following must be after the last declaration, but */ | |
| 88 /* before the first bit of code... */ | |
| 89 #define R_GETPWNAM_INIT_R(pw_ptr) \ | |
| 90 struct passwd r_getpwnam_pw_r; \ | |
| 91 char r_getpwnam_line_r[R_MAX_PW_LEN_R]; \ | |
| 92 pw_ptr = &r_getpwnam_pw_r | |
| 93 | |
| 94 #define R_GETPWNAM_R(name) \ | |
| 95 getpwnam_r(name,&r_getpwnam_pw_r,r_getpwnam_line_r,R_MAX_PW_LEN_R) | |
| 96 | |
| 97 /*******************/ | |
| 98 /* gethost stuff */ | |
| 99 /*******************/ | |
| 100 #define R_GETHOSTBYADDR_INIT_R() \ | |
| 101 struct hostent r_gethostbyaddr_r; \ | |
| 102 struct hostent_data r_gethostbyaddr_data_r | |
| 103 | |
| 104 #define R_GETHOSTBYADDR_R(addr,len,type,xptr_ent) \ | |
| 105 bzero(&r_gethostbyaddr_r,sizeof(struct hostent)); \ | |
| 106 bzero(&r_gethostbyaddr_data_r,sizeof(struct hostent_data)); \ | |
| 107 xptr_ent = &r_gethostbyaddr_r; \ | |
| 108 if (gethostbyaddr_r(addr,len,type, \ | |
| 109 &r_gethostbyaddr_r,&r_gethostbyaddr_data_r) == -1) { \ | |
| 110 xptr_ent = NULL; \ | |
| 111 } | |
| 112 | |
| 113 #define R_GETHOSTBYNAME_INIT_R() \ | |
| 114 struct hostent r_gethostbyname_r; \ | |
| 115 struct hostent_data r_gethostbyname_data_r | |
| 116 | |
| 117 #define R_GETHOSTBYNAME_R(name,xptr_ent) \ | |
| 118 bzero(&r_gethostbyname_r,sizeof(struct hostent)); \ | |
| 119 bzero(&r_gethostbyname_data_r,sizeof(struct hostent_data)); \ | |
| 120 xptr_ent = &r_gethostbyname_r; \ | |
| 121 if (gethostbyname_r(name, \ | |
| 122 &r_gethostbyname_r,&r_gethostbyname_data_r) == -1) { \ | |
| 123 xptr_ent = NULL; \ | |
| 124 } | |
| 125 | |
| 126 #endif /* _LIBC_R_H */ |
