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60918275 LP |
1 | /*-*- Mode: C; c-basic-offset: 8 -*-*/ |
2 | ||
3 | #ifndef fooutilhfoo | |
4 | #define fooutilhfoo | |
5 | ||
a7334b09 LP |
6 | /*** |
7 | This file is part of systemd. | |
8 | ||
9 | Copyright 2010 Lennart Poettering | |
10 | ||
11 | systemd is free software; you can redistribute it and/or modify it | |
12 | under the terms of the GNU General Public License as published by | |
13 | the Free Software Foundation; either version 2 of the License, or | |
14 | (at your option) any later version. | |
15 | ||
16 | systemd is distributed in the hope that it will be useful, but | |
17 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
19 | General Public License for more details. | |
20 | ||
21 | You should have received a copy of the GNU General Public License | |
22 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
23 | ***/ | |
24 | ||
60918275 LP |
25 | #include <inttypes.h> |
26 | #include <time.h> | |
27 | #include <sys/time.h> | |
28 | #include <stdbool.h> | |
5cb5a6ff | 29 | #include <stdlib.h> |
60918275 LP |
30 | |
31 | typedef uint64_t usec_t; | |
32 | ||
034c6ed7 LP |
33 | #define MSEC_PER_SEC 1000ULL |
34 | #define USEC_PER_SEC 1000000ULL | |
35 | #define USEC_PER_MSEC 1000ULL | |
36 | #define NSEC_PER_SEC 1000000000ULL | |
37 | #define NSEC_PER_MSEC 1000000ULL | |
60918275 LP |
38 | #define NSEC_PER_USEC 1000ULL |
39 | ||
44d8db9e | 40 | /* What is interpreted as whitespace? */ |
4a72ff34 | 41 | #define WHITESPACE " \t\n\r" |
7072ced8 | 42 | #define NEWLINE "\n\r" |
44d8db9e | 43 | |
8b6c7120 LP |
44 | #define FORMAT_TIMESTAMP_MAX 64 |
45 | ||
60918275 LP |
46 | usec_t now(clockid_t clock); |
47 | ||
48 | usec_t timespec_load(const struct timespec *ts); | |
49 | struct timespec *timespec_store(struct timespec *ts, usec_t u); | |
50 | ||
51 | usec_t timeval_load(const struct timeval *tv); | |
52 | struct timeval *timeval_store(struct timeval *tv, usec_t u); | |
53 | ||
54 | #define streq(a,b) (strcmp((a),(b)) == 0) | |
55 | ||
e05797fb LP |
56 | bool streq_ptr(const char *a, const char *b); |
57 | ||
60918275 LP |
58 | #define new(t, n) ((t*) malloc(sizeof(t)*(n))) |
59 | ||
60 | #define new0(t, n) ((t*) calloc((n), sizeof(t))) | |
61 | ||
62 | #define malloc0(n) (calloc((n), 1)) | |
63 | ||
64 | static inline const char* yes_no(bool b) { | |
65 | return b ? "yes" : "no"; | |
66 | } | |
67 | ||
68 | static inline const char* strempty(const char *s) { | |
69 | return s ? s : ""; | |
70 | } | |
71 | ||
72 | static inline const char* strnull(const char *s) { | |
73 | return s ? s : "(null)"; | |
74 | } | |
75 | ||
04fd6fe4 LP |
76 | static inline const char *strna(const char *s) { |
77 | return s ? s : "n/a"; | |
78 | } | |
79 | ||
80 | static inline bool is_path_absolute(const char *p) { | |
81 | return *p == '/'; | |
82 | } | |
83 | ||
60918275 LP |
84 | bool endswith(const char *s, const char *postfix); |
85 | bool startswith(const char *s, const char *prefix); | |
86 | ||
79d6d816 LP |
87 | bool first_word(const char *s, const char *word); |
88 | ||
42f4e3c4 | 89 | int close_nointr(int fd); |
85f136b5 | 90 | void close_nointr_nofail(int fd); |
60918275 | 91 | |
85261803 LP |
92 | int parse_boolean(const char *v); |
93 | ||
94 | int safe_atou(const char *s, unsigned *ret_u); | |
95 | int safe_atoi(const char *s, int *ret_i); | |
96 | ||
034c6ed7 LP |
97 | int safe_atolu(const char *s, unsigned long *ret_u); |
98 | int safe_atoli(const char *s, long int *ret_i); | |
99 | ||
100 | int safe_atollu(const char *s, unsigned long long *ret_u); | |
101 | int safe_atolli(const char *s, long long int *ret_i); | |
102 | ||
65d2ebdc | 103 | char *split(const char *c, size_t *l, const char *separator, char **state); |
034c6ed7 | 104 | char *split_quoted(const char *c, size_t *l, char **state); |
a41e8209 | 105 | |
034c6ed7 | 106 | #define FOREACH_WORD(word, length, s, state) \ |
f62c0e4f | 107 | for ((state) = NULL, (word) = split((s), &(length), WHITESPACE, &(state)); (word); (word) = split((s), &(length), WHITESPACE, &(state))) |
65d2ebdc LP |
108 | |
109 | #define FOREACH_WORD_SEPARATOR(word, length, s, separator, state) \ | |
f62c0e4f | 110 | for ((state) = NULL, (word) = split((s), &(length), (separator), &(state)); (word); (word) = split((s), &(length), (separator), &(state))) |
a41e8209 | 111 | |
034c6ed7 | 112 | #define FOREACH_WORD_QUOTED(word, length, s, state) \ |
f62c0e4f | 113 | for ((state) = NULL, (word) = split_quoted((s), &(length), &(state)); (word); (word) = split_quoted((s), &(length), &(state))) |
034c6ed7 | 114 | |
65d2ebdc | 115 | char **split_path_and_make_absolute(const char *p); |
82919e3d | 116 | |
034c6ed7 LP |
117 | pid_t get_parent_of_pid(pid_t pid, pid_t *ppid); |
118 | ||
119 | int write_one_line_file(const char *fn, const char *line); | |
120 | int read_one_line_file(const char *fn, char **line); | |
121 | ||
44d8db9e LP |
122 | char *strappend(const char *s, const char *suffix); |
123 | ||
87f0e418 LP |
124 | int readlink_malloc(const char *p, char **r); |
125 | ||
126 | char *file_name_from_path(const char *p); | |
0301abf4 LP |
127 | bool is_path(const char *p); |
128 | ||
129 | bool path_is_absolute(const char *p); | |
130 | char *path_make_absolute(const char *p, const char *prefix); | |
65d2ebdc LP |
131 | char *path_make_absolute_cwd(const char *p); |
132 | char **strv_path_make_absolute_cwd(char **l); | |
87f0e418 | 133 | |
2a987ee8 LP |
134 | int reset_all_signal_handlers(void); |
135 | ||
4a72ff34 | 136 | char *strstrip(char *s); |
ee9b5e01 | 137 | char *delete_chars(char *s, const char *bad); |
7072ced8 | 138 | char *truncate_nl(char *s); |
ee9b5e01 | 139 | |
4a72ff34 | 140 | char *file_in_same_dir(const char *path, const char *filename); |
a9f5d454 | 141 | int mkdir_parents(const char *path, mode_t mode); |
bbd67135 | 142 | int mkdir_p(const char *path, mode_t mode); |
4a72ff34 | 143 | |
7072ced8 LP |
144 | int get_process_name(pid_t pid, char **name); |
145 | ||
fb624d04 | 146 | char hexchar(int x); |
4fe88d28 LP |
147 | int unhexchar(char c); |
148 | char octchar(int x); | |
149 | int unoctchar(char c); | |
5af98f82 LP |
150 | char decchar(int x); |
151 | int undecchar(char c); | |
4fe88d28 LP |
152 | |
153 | char *cescape(const char *s); | |
154 | char *cunescape(const char *s); | |
155 | ||
156 | char *path_kill_slashes(char *path); | |
157 | ||
158 | bool path_startswith(const char *path, const char *prefix); | |
159 | ||
160 | char *ascii_strlower(char *path); | |
161 | ||
162 | char *xescape(const char *s, const char *bad); | |
fb624d04 | 163 | |
ea430986 LP |
164 | char *bus_path_escape(const char *s); |
165 | char *bus_path_unescape(const char *s); | |
166 | ||
c85dc17b LP |
167 | bool ignore_file(const char *filename); |
168 | ||
db12775d LP |
169 | bool chars_intersect(const char *a, const char *b); |
170 | ||
8b6c7120 LP |
171 | char *format_timestamp(char *buf, size_t l, usec_t t); |
172 | ||
1dccbe19 LP |
173 | #define DEFINE_STRING_TABLE_LOOKUP(name,type) \ |
174 | const char *name##_to_string(type i) { \ | |
175 | if (i < 0 || i >= (type) ELEMENTSOF(name##_table)) \ | |
176 | return NULL; \ | |
177 | return name##_table[i]; \ | |
178 | } \ | |
179 | type name##_from_string(const char *s) { \ | |
180 | type i; \ | |
a7610064 | 181 | unsigned u = 0; \ |
1dccbe19 LP |
182 | assert(s); \ |
183 | for (i = 0; i < (type)ELEMENTSOF(name##_table); i++) \ | |
184 | if (streq(name##_table[i], s)) \ | |
185 | return i; \ | |
d3725859 LP |
186 | if (safe_atou(s, &u) >= 0 && \ |
187 | u < ELEMENTSOF(name##_table)) \ | |
188 | return (type) u; \ | |
1dccbe19 LP |
189 | return (type) -1; \ |
190 | } \ | |
191 | struct __useless_struct_to_allow_trailing_semicolon__ | |
192 | ||
193 | ||
3a0ecb08 LP |
194 | int fd_nonblock(int fd, bool nonblock); |
195 | int fd_cloexec(int fd, bool cloexec); | |
196 | ||
a0d40ac5 LP |
197 | int close_all_fds(const int except[], unsigned n_except); |
198 | ||
42856c10 LP |
199 | bool fstype_is_network(const char *fstype); |
200 | ||
601f6a1e LP |
201 | int chvt(int vt); |
202 | ||
2d368c14 LP |
203 | extern char * __progname; |
204 | ||
1dccbe19 LP |
205 | const char *ioprio_class_to_string(int i); |
206 | int ioprio_class_from_string(const char *s); | |
207 | ||
208 | const char *sigchld_code_to_string(int i); | |
209 | int sigchld_code_from_string(const char *s); | |
210 | ||
211 | const char *log_facility_to_string(int i); | |
212 | int log_facility_from_string(const char *s); | |
213 | ||
214 | const char *log_level_to_string(int i); | |
215 | int log_level_from_string(const char *s); | |
216 | ||
217 | const char *sched_policy_to_string(int i); | |
218 | int sched_policy_from_string(const char *s); | |
219 | ||
220 | const char *rlimit_to_string(int i); | |
221 | int rlimit_from_string(const char *s); | |
222 | ||
60918275 | 223 | #endif |