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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> |
80876c20 | 30 | #include <stdio.h> |
60918275 LP |
31 | |
32 | typedef uint64_t usec_t; | |
33 | ||
034c6ed7 LP |
34 | #define MSEC_PER_SEC 1000ULL |
35 | #define USEC_PER_SEC 1000000ULL | |
36 | #define USEC_PER_MSEC 1000ULL | |
37 | #define NSEC_PER_SEC 1000000000ULL | |
38 | #define NSEC_PER_MSEC 1000000ULL | |
60918275 LP |
39 | #define NSEC_PER_USEC 1000ULL |
40 | ||
24a6e4a4 LP |
41 | #define USEC_PER_MINUTE (60ULL*USEC_PER_SEC) |
42 | #define USEC_PER_HOUR (60ULL*USEC_PER_MINUTE) | |
43 | #define USEC_PER_DAY (24ULL*USEC_PER_HOUR) | |
44 | #define USEC_PER_WEEK (7ULL*USEC_PER_DAY) | |
45 | ||
44d8db9e | 46 | /* What is interpreted as whitespace? */ |
4a72ff34 | 47 | #define WHITESPACE " \t\n\r" |
7072ced8 | 48 | #define NEWLINE "\n\r" |
44d8db9e | 49 | |
8b6c7120 LP |
50 | #define FORMAT_TIMESTAMP_MAX 64 |
51 | ||
60918275 LP |
52 | usec_t now(clockid_t clock); |
53 | ||
54 | usec_t timespec_load(const struct timespec *ts); | |
55 | struct timespec *timespec_store(struct timespec *ts, usec_t u); | |
56 | ||
57 | usec_t timeval_load(const struct timeval *tv); | |
58 | struct timeval *timeval_store(struct timeval *tv, usec_t u); | |
59 | ||
60 | #define streq(a,b) (strcmp((a),(b)) == 0) | |
61 | ||
e05797fb LP |
62 | bool streq_ptr(const char *a, const char *b); |
63 | ||
60918275 LP |
64 | #define new(t, n) ((t*) malloc(sizeof(t)*(n))) |
65 | ||
66 | #define new0(t, n) ((t*) calloc((n), sizeof(t))) | |
67 | ||
68 | #define malloc0(n) (calloc((n), 1)) | |
69 | ||
70 | static inline const char* yes_no(bool b) { | |
71 | return b ? "yes" : "no"; | |
72 | } | |
73 | ||
74 | static inline const char* strempty(const char *s) { | |
75 | return s ? s : ""; | |
76 | } | |
77 | ||
78 | static inline const char* strnull(const char *s) { | |
79 | return s ? s : "(null)"; | |
80 | } | |
81 | ||
04fd6fe4 LP |
82 | static inline const char *strna(const char *s) { |
83 | return s ? s : "n/a"; | |
84 | } | |
85 | ||
86 | static inline bool is_path_absolute(const char *p) { | |
87 | return *p == '/'; | |
88 | } | |
89 | ||
60918275 LP |
90 | bool endswith(const char *s, const char *postfix); |
91 | bool startswith(const char *s, const char *prefix); | |
92 | ||
79d6d816 LP |
93 | bool first_word(const char *s, const char *word); |
94 | ||
42f4e3c4 | 95 | int close_nointr(int fd); |
85f136b5 | 96 | void close_nointr_nofail(int fd); |
60918275 | 97 | |
85261803 | 98 | int parse_boolean(const char *v); |
24a6e4a4 | 99 | int parse_usec(const char *t, usec_t *usec); |
85261803 LP |
100 | |
101 | int safe_atou(const char *s, unsigned *ret_u); | |
102 | int safe_atoi(const char *s, int *ret_i); | |
103 | ||
034c6ed7 LP |
104 | int safe_atolu(const char *s, unsigned long *ret_u); |
105 | int safe_atoli(const char *s, long int *ret_i); | |
106 | ||
107 | int safe_atollu(const char *s, unsigned long long *ret_u); | |
108 | int safe_atolli(const char *s, long long int *ret_i); | |
109 | ||
65d2ebdc | 110 | char *split(const char *c, size_t *l, const char *separator, char **state); |
034c6ed7 | 111 | char *split_quoted(const char *c, size_t *l, char **state); |
a41e8209 | 112 | |
034c6ed7 | 113 | #define FOREACH_WORD(word, length, s, state) \ |
f62c0e4f | 114 | for ((state) = NULL, (word) = split((s), &(length), WHITESPACE, &(state)); (word); (word) = split((s), &(length), WHITESPACE, &(state))) |
65d2ebdc LP |
115 | |
116 | #define FOREACH_WORD_SEPARATOR(word, length, s, separator, state) \ | |
f62c0e4f | 117 | for ((state) = NULL, (word) = split((s), &(length), (separator), &(state)); (word); (word) = split((s), &(length), (separator), &(state))) |
a41e8209 | 118 | |
034c6ed7 | 119 | #define FOREACH_WORD_QUOTED(word, length, s, state) \ |
f62c0e4f | 120 | for ((state) = NULL, (word) = split_quoted((s), &(length), &(state)); (word); (word) = split_quoted((s), &(length), &(state))) |
034c6ed7 | 121 | |
65d2ebdc | 122 | char **split_path_and_make_absolute(const char *p); |
82919e3d | 123 | |
034c6ed7 LP |
124 | pid_t get_parent_of_pid(pid_t pid, pid_t *ppid); |
125 | ||
126 | int write_one_line_file(const char *fn, const char *line); | |
127 | int read_one_line_file(const char *fn, char **line); | |
128 | ||
44d8db9e LP |
129 | char *strappend(const char *s, const char *suffix); |
130 | ||
87f0e418 LP |
131 | int readlink_malloc(const char *p, char **r); |
132 | ||
133 | char *file_name_from_path(const char *p); | |
0301abf4 LP |
134 | bool is_path(const char *p); |
135 | ||
136 | bool path_is_absolute(const char *p); | |
137 | char *path_make_absolute(const char *p, const char *prefix); | |
65d2ebdc LP |
138 | char *path_make_absolute_cwd(const char *p); |
139 | char **strv_path_make_absolute_cwd(char **l); | |
87f0e418 | 140 | |
2a987ee8 LP |
141 | int reset_all_signal_handlers(void); |
142 | ||
4a72ff34 | 143 | char *strstrip(char *s); |
ee9b5e01 | 144 | char *delete_chars(char *s, const char *bad); |
7072ced8 | 145 | char *truncate_nl(char *s); |
ee9b5e01 | 146 | |
4a72ff34 | 147 | char *file_in_same_dir(const char *path, const char *filename); |
a9f5d454 | 148 | int mkdir_parents(const char *path, mode_t mode); |
bbd67135 | 149 | int mkdir_p(const char *path, mode_t mode); |
4a72ff34 | 150 | |
7072ced8 LP |
151 | int get_process_name(pid_t pid, char **name); |
152 | ||
fb624d04 | 153 | char hexchar(int x); |
4fe88d28 LP |
154 | int unhexchar(char c); |
155 | char octchar(int x); | |
156 | int unoctchar(char c); | |
5af98f82 LP |
157 | char decchar(int x); |
158 | int undecchar(char c); | |
4fe88d28 LP |
159 | |
160 | char *cescape(const char *s); | |
161 | char *cunescape(const char *s); | |
162 | ||
163 | char *path_kill_slashes(char *path); | |
164 | ||
165 | bool path_startswith(const char *path, const char *prefix); | |
15ae422b | 166 | bool path_equal(const char *a, const char *b); |
4fe88d28 LP |
167 | |
168 | char *ascii_strlower(char *path); | |
169 | ||
170 | char *xescape(const char *s, const char *bad); | |
fb624d04 | 171 | |
ea430986 LP |
172 | char *bus_path_escape(const char *s); |
173 | char *bus_path_unescape(const char *s); | |
174 | ||
c85dc17b LP |
175 | bool ignore_file(const char *filename); |
176 | ||
db12775d LP |
177 | bool chars_intersect(const char *a, const char *b); |
178 | ||
8b6c7120 LP |
179 | char *format_timestamp(char *buf, size_t l, usec_t t); |
180 | ||
1dccbe19 LP |
181 | #define DEFINE_STRING_TABLE_LOOKUP(name,type) \ |
182 | const char *name##_to_string(type i) { \ | |
183 | if (i < 0 || i >= (type) ELEMENTSOF(name##_table)) \ | |
184 | return NULL; \ | |
185 | return name##_table[i]; \ | |
186 | } \ | |
187 | type name##_from_string(const char *s) { \ | |
188 | type i; \ | |
a7610064 | 189 | unsigned u = 0; \ |
1dccbe19 LP |
190 | assert(s); \ |
191 | for (i = 0; i < (type)ELEMENTSOF(name##_table); i++) \ | |
192 | if (streq(name##_table[i], s)) \ | |
193 | return i; \ | |
d3725859 LP |
194 | if (safe_atou(s, &u) >= 0 && \ |
195 | u < ELEMENTSOF(name##_table)) \ | |
196 | return (type) u; \ | |
1dccbe19 LP |
197 | return (type) -1; \ |
198 | } \ | |
199 | struct __useless_struct_to_allow_trailing_semicolon__ | |
200 | ||
201 | ||
3a0ecb08 LP |
202 | int fd_nonblock(int fd, bool nonblock); |
203 | int fd_cloexec(int fd, bool cloexec); | |
204 | ||
a0d40ac5 LP |
205 | int close_all_fds(const int except[], unsigned n_except); |
206 | ||
42856c10 LP |
207 | bool fstype_is_network(const char *fstype); |
208 | ||
601f6a1e LP |
209 | int chvt(int vt); |
210 | ||
80876c20 LP |
211 | int read_one_char(FILE *f, char *ret, bool *need_nl); |
212 | int ask(char *ret, const char *replies, const char *text, ...); | |
213 | ||
214 | int reset_terminal(int fd); | |
215 | int open_terminal(const char *name, int mode); | |
216 | int acquire_terminal(const char *name, bool fail, bool force); | |
217 | int release_terminal(void); | |
218 | ||
219 | int flush_fd(int fd); | |
220 | ||
a337c6fc LP |
221 | int ignore_signal(int sig); |
222 | ||
8d567588 LP |
223 | int close_pipe(int p[]); |
224 | ||
225 | ssize_t loop_read(int fd, void *buf, size_t nbytes); | |
226 | ||
227 | int path_is_mount_point(const char *path); | |
228 | ||
2d368c14 LP |
229 | extern char * __progname; |
230 | ||
1dccbe19 LP |
231 | const char *ioprio_class_to_string(int i); |
232 | int ioprio_class_from_string(const char *s); | |
233 | ||
234 | const char *sigchld_code_to_string(int i); | |
235 | int sigchld_code_from_string(const char *s); | |
236 | ||
237 | const char *log_facility_to_string(int i); | |
238 | int log_facility_from_string(const char *s); | |
239 | ||
240 | const char *log_level_to_string(int i); | |
241 | int log_level_from_string(const char *s); | |
242 | ||
243 | const char *sched_policy_to_string(int i); | |
244 | int sched_policy_from_string(const char *s); | |
245 | ||
246 | const char *rlimit_to_string(int i); | |
247 | int rlimit_from_string(const char *s); | |
248 | ||
60918275 | 249 | #endif |