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663996b3 MS |
1 | #pragma once |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2010 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU Lesser General Public License as published by | |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | Lesser General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU Lesser General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
db2df898 MP |
21 | |
22 | #include <dirent.h> | |
23 | #include <stdbool.h> | |
663996b3 MS |
24 | #include <stddef.h> |
25 | #include <stdio.h> | |
db2df898 | 26 | #include <sys/types.h> |
663996b3 MS |
27 | |
28 | #include "macro.h" | |
db2df898 | 29 | #include "time-util.h" |
663996b3 | 30 | |
7035cd9e MP |
31 | typedef enum { |
32 | WRITE_STRING_FILE_CREATE = 1, | |
33 | WRITE_STRING_FILE_ATOMIC = 2, | |
34 | WRITE_STRING_FILE_AVOID_NEWLINE = 4, | |
db2df898 | 35 | WRITE_STRING_FILE_VERIFY_ON_FAILURE = 8, |
7035cd9e MP |
36 | } WriteStringFileFlags; |
37 | ||
38 | int write_string_stream(FILE *f, const char *line, bool enforce_newline); | |
39 | int write_string_file(const char *fn, const char *line, WriteStringFileFlags flags); | |
663996b3 MS |
40 | |
41 | int read_one_line_file(const char *fn, char **line); | |
42 | int read_full_file(const char *fn, char **contents, size_t *size); | |
e842803a | 43 | int read_full_stream(FILE *f, char **contents, size_t *size); |
663996b3 | 44 | |
db2df898 | 45 | int verify_file(const char *fn, const char *blob, bool accept_extra_nl); |
fb183854 | 46 | |
663996b3 | 47 | int parse_env_file(const char *fname, const char *separator, ...) _sentinel_; |
e842803a MB |
48 | int load_env_file(FILE *f, const char *fname, const char *separator, char ***l); |
49 | int load_env_file_pairs(FILE *f, const char *fname, const char *separator, char ***l); | |
50 | ||
663996b3 | 51 | int write_env_file(const char *fname, char **l); |
14228c0d MB |
52 | |
53 | int executable_is_script(const char *path, char **interpreter); | |
54 | ||
6300502b | 55 | int get_proc_field(const char *filename, const char *pattern, const char *terminator, char **field); |
db2df898 MP |
56 | |
57 | DIR *xopendirat(int dirfd, const char *name, int flags); | |
58 | ||
59 | int search_and_fopen(const char *path, const char *mode, const char *root, const char **search, FILE **_f); | |
60 | int search_and_fopen_nulstr(const char *path, const char *mode, const char *root, const char *search, FILE **_f); | |
61 | ||
62 | #define FOREACH_LINE(line, f, on_error) \ | |
63 | for (;;) \ | |
64 | if (!fgets(line, sizeof(line), f)) { \ | |
65 | if (ferror(f)) { \ | |
66 | on_error; \ | |
67 | } \ | |
68 | break; \ | |
69 | } else | |
70 | ||
71 | int fflush_and_check(FILE *f); | |
72 | ||
73 | int fopen_temporary(const char *path, FILE **_f, char **_temp_path); | |
74 | int mkostemp_safe(char *pattern, int flags); | |
75 | int open_tmpfile(const char *path, int flags); | |
76 | ||
77 | int tempfn_xxxxxx(const char *p, const char *extra, char **ret); | |
78 | int tempfn_random(const char *p, const char *extra, char **ret); | |
79 | int tempfn_random_child(const char *p, const char *extra, char **ret); | |
80 | ||
81 | int write_timestamp_file_atomic(const char *fn, usec_t n); | |
82 | int read_timestamp_file(const char *fn, usec_t *ret); | |
4c89c718 MP |
83 | |
84 | int fputs_with_space(FILE *f, const char *s, const char *separator, bool *space); |