~mdw / dpkg / blame
| Commit | Line | Data |
|---|---|---|
| 1479465f GJ |
1 | /* |
| 2 | * libdpkg - Debian packaging suite library routines | |
| 3 | * atomic-file.h - atomic file helper functions | |
| 4 | * | |
| 5 | * Copyright © 2011-2014 Guillem Jover <guillem@debian.org> | |
| 6 | * | |
| 7 | * This is free software; you can redistribute it and/or modify | |
| 8 | * it under the terms of the GNU General Public License as published by | |
| 9 | * the Free Software Foundation; either version 2 of the License, or | |
| 10 | * (at your option) any later version. | |
| 11 | * | |
| 12 | * This is distributed in the hope that it will be useful, | |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 | * GNU General Public License for more details. | |
| 16 | * | |
| 17 | * You should have received a copy of the GNU General Public License | |
| 18 | * along with this program. If not, see <https://www.gnu.org/licenses/>. | |
| 19 | */ | |
| 20 | ||
| 21 | #ifndef LIBDPKG_ATOMIC_FILE_H | |
| 22 | #define LIBDPKG_ATOMIC_FILE_H | |
| 23 | ||
| 24 | #include <stdio.h> | |
| 25 | ||
| 26 | #include <dpkg/macros.h> | |
| 27 | ||
| 28 | DPKG_BEGIN_DECLS | |
| 29 | ||
| 30 | /** | |
| 31 | * @defgroup atomic-file Atomic file operations | |
| 32 | * @ingroup dpkg-internal | |
| 33 | * @{ | |
| 34 | */ | |
| 35 | ||
| 36 | enum atomic_file_flags { | |
| 37 | ATOMIC_FILE_BACKUP = DPKG_BIT(0), | |
| 38 | }; | |
| 39 | ||
| 40 | struct atomic_file { | |
| 41 | enum atomic_file_flags flags; | |
| 42 | char *name; | |
| 43 | char *name_new; | |
| 44 | FILE *fp; | |
| 45 | }; | |
| 46 | ||
| 47 | struct atomic_file * | |
| 48 | atomic_file_new(const char *filename, enum atomic_file_flags flags); | |
| 49 | void atomic_file_open(struct atomic_file *file); | |
| 50 | void atomic_file_sync(struct atomic_file *file); | |
| 51 | void atomic_file_close(struct atomic_file *file); | |
| 52 | void atomic_file_commit(struct atomic_file *file); | |
| 53 | void atomic_file_remove(struct atomic_file *file); | |
| 54 | void atomic_file_free(struct atomic_file *file); | |
| 55 | ||
| 56 | /** @} */ | |
| 57 | ||
| 58 | DPKG_END_DECLS | |
| 59 | ||
| 60 | #endif /* LIBDPKG_ATOMIC_FILE_H */ |