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