1 /* notmuch - Not much of an email library, (just index and search) 2 * 3 * Copyright © 2009 Carl Worth 4 * 5 * This program is free software: you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation, either version 3 of the License, or 8 * (at your option) any later version. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program. If not, see https://www.gnu.org/licenses/ . 17 * 18 * Author: Carl Worth <cworth@cworth.org> 19 */ 20 21 /* This header file defines functions that will only be conditionally 22 * compiled for compatibility on systems that don't provide their own 23 * implementations of the functions. 24 */ 25 26 #ifndef NOTMUCH_COMPAT_H 27 #define NOTMUCH_COMPAT_H 28 29 #ifdef __cplusplus 30 extern "C" { 31 #endif 32 33 #if ! STD_GETPWUID 34 #define _POSIX_PTHREAD_SEMANTICS 1 35 #endif 36 #if ! STD_ASCTIME 37 #define _POSIX_PTHREAD_SEMANTICS 1 38 #endif 39 40 #if ! HAVE_GETLINE 41 #include <stdio.h> 42 #include <unistd.h> 43 44 ssize_t 45 getline (char **lineptr, size_t *n, FILE *stream); 46 47 ssize_t 48 getdelim (char **lineptr, size_t *n, int delimiter, FILE *fp); 49 50 #endif /* !HAVE_GETLINE */ 51 52 #if ! HAVE_STRCASESTR 53 char *strcasestr (const char *haystack, const char *needle); 54 #endif /* !HAVE_STRCASESTR */ 55 56 #if ! HAVE_STRSEP 57 char *strsep (char **stringp, const char *delim); 58 #endif /* !HAVE_STRSEP */ 59 60 #if ! HAVE_TIMEGM 61 #include <time.h> 62 time_t timegm (struct tm *tm); 63 #endif /* !HAVE_TIMEGM */ 64 65 /* Silence gcc warnings about unused results. These warnings exist 66 * for a reason; any use of this needs to be justified. */ 67 #ifdef __GNUC__ 68 #define IGNORE_RESULT(x) ({ __typeof__(x) __z = (x); (void) (__z = __z); }) 69 #else /* !__GNUC__ */ 70 #define IGNORE_RESULT(x) x 71 #endif /* __GNUC__ */ 72 73 #ifdef __cplusplus 74 } 75 #endif 76 77 #endif /* NOTMUCH_COMPAT_H */ 78