]>
Commit | Line | Data |
---|---|---|
03467c88 | 1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
60918275 | 2 | |
c2f1db8f | 3 | #pragma once |
60918275 | 4 | |
a7334b09 LP |
5 | /*** |
6 | This file is part of systemd. | |
7 | ||
8 | Copyright 2010 Lennart Poettering | |
9 | ||
10 | systemd is free software; you can redistribute it and/or modify it | |
5430f7f2 LP |
11 | under the terms of the GNU Lesser General Public License as published by |
12 | the Free Software Foundation; either version 2.1 of the License, or | |
a7334b09 LP |
13 | (at your option) any later version. |
14 | ||
15 | systemd is distributed in the hope that it will be useful, but | |
16 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
5430f7f2 | 18 | Lesser General Public License for more details. |
a7334b09 | 19 | |
5430f7f2 | 20 | You should have received a copy of the GNU Lesser General Public License |
a7334b09 LP |
21 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
22 | ***/ | |
23 | ||
60918275 LP |
24 | #include <inttypes.h> |
25 | #include <time.h> | |
26 | #include <sys/time.h> | |
ec2002f8 | 27 | #include <stdarg.h> |
60918275 | 28 | #include <stdbool.h> |
5cb5a6ff | 29 | #include <stdlib.h> |
80876c20 | 30 | #include <stdio.h> |
9a34ec5f | 31 | #include <signal.h> |
82c121a4 | 32 | #include <sched.h> |
8f75a603 | 33 | #include <limits.h> |
25ea79fe | 34 | #include <sys/types.h> |
00dc5d76 | 35 | #include <sys/stat.h> |
3b63d2d3 | 36 | #include <dirent.h> |
68faf98c | 37 | #include <sys/resource.h> |
7d5e9c0f | 38 | #include <stddef.h> |
60918275 | 39 | |
a838e6a1 LP |
40 | #include "macro.h" |
41 | ||
60918275 | 42 | typedef uint64_t usec_t; |
952d817a | 43 | typedef uint64_t nsec_t; |
60918275 | 44 | |
63983207 | 45 | typedef struct dual_timestamp { |
871d7de4 LP |
46 | usec_t realtime; |
47 | usec_t monotonic; | |
63983207 | 48 | } dual_timestamp; |
871d7de4 | 49 | |
7d5e9c0f LP |
50 | union dirent_storage { |
51 | struct dirent de; | |
52 | uint8_t storage[offsetof(struct dirent, d_name) + | |
53 | ((NAME_MAX + 1 + sizeof(long)) & ~(sizeof(long) - 1))]; | |
54 | }; | |
55 | ||
034c6ed7 LP |
56 | #define MSEC_PER_SEC 1000ULL |
57 | #define USEC_PER_SEC 1000000ULL | |
58 | #define USEC_PER_MSEC 1000ULL | |
59 | #define NSEC_PER_SEC 1000000000ULL | |
60 | #define NSEC_PER_MSEC 1000000ULL | |
60918275 LP |
61 | #define NSEC_PER_USEC 1000ULL |
62 | ||
24a6e4a4 | 63 | #define USEC_PER_MINUTE (60ULL*USEC_PER_SEC) |
d88a251b | 64 | #define NSEC_PER_MINUTE (60ULL*NSEC_PER_SEC) |
24a6e4a4 | 65 | #define USEC_PER_HOUR (60ULL*USEC_PER_MINUTE) |
d88a251b | 66 | #define NSEC_PER_HOUR (60ULL*NSEC_PER_MINUTE) |
24a6e4a4 | 67 | #define USEC_PER_DAY (24ULL*USEC_PER_HOUR) |
d88a251b | 68 | #define NSEC_PER_DAY (24ULL*NSEC_PER_HOUR) |
24a6e4a4 | 69 | #define USEC_PER_WEEK (7ULL*USEC_PER_DAY) |
d88a251b | 70 | #define NSEC_PER_WEEK (7ULL*NSEC_PER_DAY) |
584be568 | 71 | #define USEC_PER_MONTH (2629800ULL*USEC_PER_SEC) |
d88a251b | 72 | #define NSEC_PER_MONTH (2629800ULL*NSEC_PER_SEC) |
584be568 | 73 | #define USEC_PER_YEAR (31557600ULL*USEC_PER_SEC) |
d88a251b | 74 | #define NSEC_PER_YEAR (31557600ULL*NSEC_PER_SEC) |
24a6e4a4 | 75 | |
44d8db9e | 76 | /* What is interpreted as whitespace? */ |
4a72ff34 | 77 | #define WHITESPACE " \t\n\r" |
7072ced8 | 78 | #define NEWLINE "\n\r" |
97c4a07d LP |
79 | #define QUOTES "\"\'" |
80 | #define COMMENTS "#;\n" | |
44d8db9e | 81 | |
8b6c7120 | 82 | #define FORMAT_TIMESTAMP_MAX 64 |
584be568 | 83 | #define FORMAT_TIMESTAMP_PRETTY_MAX 256 |
871d7de4 | 84 | #define FORMAT_TIMESPAN_MAX 64 |
a7bc2c2a | 85 | #define FORMAT_BYTES_MAX 8 |
8b6c7120 | 86 | |
c1072ea0 | 87 | #define ANSI_HIGHLIGHT_ON "\x1B[1;39m" |
281605bf | 88 | #define ANSI_HIGHLIGHT_RED_ON "\x1B[1;31m" |
2ee68f72 | 89 | #define ANSI_HIGHLIGHT_GREEN_ON "\x1B[1;32m" |
5f23d5b1 | 90 | #define ANSI_HIGHLIGHT_YELLOW_ON "\x1B[1;33m" |
61cbdc4b LP |
91 | #define ANSI_HIGHLIGHT_OFF "\x1B[0m" |
92 | ||
60918275 LP |
93 | usec_t now(clockid_t clock); |
94 | ||
63983207 | 95 | dual_timestamp* dual_timestamp_get(dual_timestamp *ts); |
a185c5aa | 96 | dual_timestamp* dual_timestamp_from_realtime(dual_timestamp *ts, usec_t u); |
871d7de4 | 97 | |
b0c918b9 LP |
98 | #define dual_timestamp_is_set(ts) ((ts)->realtime > 0) |
99 | ||
60918275 LP |
100 | usec_t timespec_load(const struct timespec *ts); |
101 | struct timespec *timespec_store(struct timespec *ts, usec_t u); | |
102 | ||
103 | usec_t timeval_load(const struct timeval *tv); | |
104 | struct timeval *timeval_store(struct timeval *tv, usec_t u); | |
105 | ||
37f85e66 | 106 | size_t page_size(void); |
107 | #define PAGE_ALIGN(l) ALIGN_TO((l), page_size()) | |
108 | ||
60918275 | 109 | #define streq(a,b) (strcmp((a),(b)) == 0) |
3846aeeb | 110 | #define strneq(a, b, n) (strncmp((a), (b), (n)) == 0) |
60918275 | 111 | |
e05797fb LP |
112 | bool streq_ptr(const char *a, const char *b); |
113 | ||
4b8772bf | 114 | #define new(t, n) ((t*) malloc_multiply(sizeof(t), (n))) |
60918275 LP |
115 | |
116 | #define new0(t, n) ((t*) calloc((n), sizeof(t))) | |
117 | ||
0f0dbc46 LP |
118 | #define newa(t, n) ((t*) alloca(sizeof(t)*(n))) |
119 | ||
4b8772bf | 120 | #define newdup(t, p, n) ((t*) memdup_multiply(p, sizeof(t), (n))) |
888c7102 | 121 | |
60918275 LP |
122 | #define malloc0(n) (calloc((n), 1)) |
123 | ||
124 | static inline const char* yes_no(bool b) { | |
125 | return b ? "yes" : "no"; | |
126 | } | |
127 | ||
128 | static inline const char* strempty(const char *s) { | |
129 | return s ? s : ""; | |
130 | } | |
131 | ||
132 | static inline const char* strnull(const char *s) { | |
133 | return s ? s : "(null)"; | |
134 | } | |
135 | ||
04fd6fe4 LP |
136 | static inline const char *strna(const char *s) { |
137 | return s ? s : "n/a"; | |
138 | } | |
139 | ||
9beb3f4d LP |
140 | static inline bool isempty(const char *p) { |
141 | return !p || !p[0]; | |
142 | } | |
143 | ||
60918275 LP |
144 | bool endswith(const char *s, const char *postfix); |
145 | bool startswith(const char *s, const char *prefix); | |
3177a7fa | 146 | bool startswith_no_case(const char *s, const char *prefix); |
60918275 | 147 | |
79d6d816 LP |
148 | bool first_word(const char *s, const char *word); |
149 | ||
42f4e3c4 | 150 | int close_nointr(int fd); |
85f136b5 | 151 | void close_nointr_nofail(int fd); |
5b6319dc | 152 | void close_many(const int fds[], unsigned n_fd); |
60918275 | 153 | |
85261803 | 154 | int parse_boolean(const char *v); |
24a6e4a4 | 155 | int parse_usec(const char *t, usec_t *usec); |
d88a251b | 156 | int parse_nsec(const char *t, nsec_t *nsec); |
ab1f0633 | 157 | int parse_bytes(const char *t, off_t *bytes); |
3ba686c1 | 158 | int parse_pid(const char *s, pid_t* ret_pid); |
034a2a52 LP |
159 | int parse_uid(const char *s, uid_t* ret_uid); |
160 | #define parse_gid(s, ret_uid) parse_uid(s, ret_uid) | |
85261803 LP |
161 | |
162 | int safe_atou(const char *s, unsigned *ret_u); | |
163 | int safe_atoi(const char *s, int *ret_i); | |
164 | ||
8f75a603 LP |
165 | int safe_atollu(const char *s, unsigned long long *ret_u); |
166 | int safe_atolli(const char *s, long long int *ret_i); | |
167 | ||
168 | #if __WORDSIZE == 32 | |
169 | static inline int safe_atolu(const char *s, unsigned long *ret_u) { | |
170 | assert_cc(sizeof(unsigned long) == sizeof(unsigned)); | |
171 | return safe_atou(s, (unsigned*) ret_u); | |
172 | } | |
173 | static inline int safe_atoli(const char *s, long int *ret_u) { | |
174 | assert_cc(sizeof(long int) == sizeof(int)); | |
175 | return safe_atoi(s, (int*) ret_u); | |
176 | } | |
177 | #else | |
178 | static inline int safe_atolu(const char *s, unsigned long *ret_u) { | |
179 | assert_cc(sizeof(unsigned long) == sizeof(unsigned long long)); | |
180 | return safe_atollu(s, (unsigned long long*) ret_u); | |
181 | } | |
182 | static inline int safe_atoli(const char *s, long int *ret_u) { | |
183 | assert_cc(sizeof(long int) == sizeof(long long int)); | |
184 | return safe_atolli(s, (long long int*) ret_u); | |
185 | } | |
186 | #endif | |
187 | ||
a838e6a1 LP |
188 | static inline int safe_atou32(const char *s, uint32_t *ret_u) { |
189 | assert_cc(sizeof(uint32_t) == sizeof(unsigned)); | |
190 | return safe_atou(s, (unsigned*) ret_u); | |
191 | } | |
192 | ||
8f75a603 | 193 | static inline int safe_atoi32(const char *s, int32_t *ret_i) { |
a838e6a1 | 194 | assert_cc(sizeof(int32_t) == sizeof(int)); |
8f75a603 | 195 | return safe_atoi(s, (int*) ret_i); |
a838e6a1 LP |
196 | } |
197 | ||
8f75a603 LP |
198 | static inline int safe_atou64(const char *s, uint64_t *ret_u) { |
199 | assert_cc(sizeof(uint64_t) == sizeof(unsigned long long)); | |
200 | return safe_atollu(s, (unsigned long long*) ret_u); | |
201 | } | |
034c6ed7 | 202 | |
8f75a603 LP |
203 | static inline int safe_atoi64(const char *s, int64_t *ret_i) { |
204 | assert_cc(sizeof(int64_t) == sizeof(long long int)); | |
205 | return safe_atolli(s, (long long int*) ret_i); | |
206 | } | |
034c6ed7 | 207 | |
65d2ebdc | 208 | char *split(const char *c, size_t *l, const char *separator, char **state); |
034c6ed7 | 209 | char *split_quoted(const char *c, size_t *l, char **state); |
a41e8209 | 210 | |
034c6ed7 | 211 | #define FOREACH_WORD(word, length, s, state) \ |
f62c0e4f | 212 | for ((state) = NULL, (word) = split((s), &(length), WHITESPACE, &(state)); (word); (word) = split((s), &(length), WHITESPACE, &(state))) |
65d2ebdc LP |
213 | |
214 | #define FOREACH_WORD_SEPARATOR(word, length, s, separator, state) \ | |
f62c0e4f | 215 | for ((state) = NULL, (word) = split((s), &(length), (separator), &(state)); (word); (word) = split((s), &(length), (separator), &(state))) |
a41e8209 | 216 | |
034c6ed7 | 217 | #define FOREACH_WORD_QUOTED(word, length, s, state) \ |
f62c0e4f | 218 | for ((state) = NULL, (word) = split_quoted((s), &(length), &(state)); (word); (word) = split_quoted((s), &(length), &(state))) |
034c6ed7 | 219 | |
034c6ed7 | 220 | pid_t get_parent_of_pid(pid_t pid, pid_t *ppid); |
7640a5de | 221 | int get_starttime_of_pid(pid_t pid, unsigned long long *st); |
034c6ed7 LP |
222 | |
223 | int write_one_line_file(const char *fn, const char *line); | |
34ca941c | 224 | int write_one_line_file_atomic(const char *fn, const char *line); |
034c6ed7 | 225 | int read_one_line_file(const char *fn, char **line); |
34ca941c | 226 | int read_full_file(const char *fn, char **contents, size_t *size); |
97c4a07d | 227 | |
c899f8c6 | 228 | int parse_env_file(const char *fname, const char *separator, ...) _sentinel_; |
8c7be95e | 229 | int load_env_file(const char *fname, char ***l); |
7640a5de | 230 | int write_env_file(const char *fname, char **l); |
034c6ed7 | 231 | |
44d8db9e | 232 | char *strappend(const char *s, const char *suffix); |
fab56fc5 LP |
233 | char *strnappend(const char *s, const char *suffix, size_t length); |
234 | ||
235 | char *replace_env(const char *format, char **env); | |
236 | char **replace_env_argv(char **argv, char **env); | |
44d8db9e | 237 | |
87f0e418 | 238 | int readlink_malloc(const char *p, char **r); |
2c7108c4 | 239 | int readlink_and_make_absolute(const char *p, char **r); |
83096483 | 240 | int readlink_and_canonicalize(const char *p, char **r); |
87f0e418 | 241 | |
2a987ee8 LP |
242 | int reset_all_signal_handlers(void); |
243 | ||
4a72ff34 | 244 | char *strstrip(char *s); |
ee9b5e01 | 245 | char *delete_chars(char *s, const char *bad); |
7072ced8 | 246 | char *truncate_nl(char *s); |
ee9b5e01 | 247 | |
4a72ff34 LP |
248 | char *file_in_same_dir(const char *path, const char *filename); |
249 | ||
c32dd69b LP |
250 | int rmdir_parents(const char *path, const char *stop); |
251 | ||
87d2c1ff LP |
252 | int get_process_comm(pid_t pid, char **name); |
253 | int get_process_cmdline(pid_t pid, size_t max_length, bool comm_fallback, char **line); | |
254 | int get_process_exe(pid_t pid, char **name); | |
7e4ab3c5 | 255 | int get_process_uid(pid_t pid, uid_t *uid); |
901c3d0d | 256 | int get_process_gid(pid_t pid, gid_t *gid); |
7072ced8 | 257 | |
fb624d04 | 258 | char hexchar(int x); |
4fe88d28 LP |
259 | int unhexchar(char c); |
260 | char octchar(int x); | |
261 | int unoctchar(char c); | |
5af98f82 LP |
262 | char decchar(int x); |
263 | int undecchar(char c); | |
4fe88d28 LP |
264 | |
265 | char *cescape(const char *s); | |
266 | char *cunescape(const char *s); | |
6febfd0d | 267 | char *cunescape_length(const char *s, size_t length); |
5b4c61cd | 268 | char *cunescape_length_with_prefix(const char *s, size_t length, const char *prefix); |
6febfd0d LP |
269 | |
270 | char *xescape(const char *s, const char *bad); | |
271 | ||
272 | char *bus_path_escape(const char *s); | |
273 | char *bus_path_unescape(const char *s); | |
4fe88d28 | 274 | |
4fe88d28 LP |
275 | char *ascii_strlower(char *path); |
276 | ||
87d2c1ff LP |
277 | bool dirent_is_file(const struct dirent *de); |
278 | bool dirent_is_file_with_suffix(const struct dirent *de, const char *suffix); | |
279 | ||
c85dc17b LP |
280 | bool ignore_file(const char *filename); |
281 | ||
db12775d LP |
282 | bool chars_intersect(const char *a, const char *b); |
283 | ||
8b6c7120 | 284 | char *format_timestamp(char *buf, size_t l, usec_t t); |
584be568 | 285 | char *format_timestamp_pretty(char *buf, size_t l, usec_t t); |
871d7de4 | 286 | char *format_timespan(char *buf, size_t l, usec_t t); |
8b6c7120 | 287 | |
843d2643 | 288 | int make_stdio(int fd); |
ade509ce | 289 | int make_null_stdio(void); |
cd3bd60a | 290 | int make_console_stdio(void); |
843d2643 | 291 | |
d3782d60 LP |
292 | unsigned long long random_ull(void); |
293 | ||
4e240ab0 MS |
294 | #define __DEFINE_STRING_TABLE_LOOKUP(name,type,scope) \ |
295 | scope const char *name##_to_string(type i) { \ | |
1dccbe19 LP |
296 | if (i < 0 || i >= (type) ELEMENTSOF(name##_table)) \ |
297 | return NULL; \ | |
298 | return name##_table[i]; \ | |
299 | } \ | |
4e240ab0 | 300 | scope type name##_from_string(const char *s) { \ |
1dccbe19 | 301 | type i; \ |
a7610064 | 302 | unsigned u = 0; \ |
1dccbe19 LP |
303 | assert(s); \ |
304 | for (i = 0; i < (type)ELEMENTSOF(name##_table); i++) \ | |
4fd5948e LP |
305 | if (name##_table[i] && \ |
306 | streq(name##_table[i], s)) \ | |
1dccbe19 | 307 | return i; \ |
d3725859 LP |
308 | if (safe_atou(s, &u) >= 0 && \ |
309 | u < ELEMENTSOF(name##_table)) \ | |
310 | return (type) u; \ | |
1dccbe19 LP |
311 | return (type) -1; \ |
312 | } \ | |
313 | struct __useless_struct_to_allow_trailing_semicolon__ | |
314 | ||
4e240ab0 MS |
315 | #define DEFINE_STRING_TABLE_LOOKUP(name,type) __DEFINE_STRING_TABLE_LOOKUP(name,type,) |
316 | #define DEFINE_PRIVATE_STRING_TABLE_LOOKUP(name,type) __DEFINE_STRING_TABLE_LOOKUP(name,type,static) | |
1dccbe19 | 317 | |
3a0ecb08 LP |
318 | int fd_nonblock(int fd, bool nonblock); |
319 | int fd_cloexec(int fd, bool cloexec); | |
320 | ||
a0d40ac5 LP |
321 | int close_all_fds(const int except[], unsigned n_except); |
322 | ||
42856c10 LP |
323 | bool fstype_is_network(const char *fstype); |
324 | ||
601f6a1e LP |
325 | int chvt(int vt); |
326 | ||
8f2d43a0 | 327 | int read_one_char(FILE *f, char *ret, usec_t timeout, bool *need_nl); |
80876c20 LP |
328 | int ask(char *ret, const char *replies, const char *text, ...); |
329 | ||
512947d4 | 330 | int reset_terminal_fd(int fd, bool switch_to_text); |
6ea832a2 LP |
331 | int reset_terminal(const char *name); |
332 | ||
80876c20 | 333 | int open_terminal(const char *name, int mode); |
af6da548 | 334 | int acquire_terminal(const char *name, bool fail, bool force, bool ignore_tiocstty_eperm, usec_t timeout); |
80876c20 LP |
335 | int release_terminal(void); |
336 | ||
337 | int flush_fd(int fd); | |
338 | ||
9a34ec5f LP |
339 | int ignore_signals(int sig, ...); |
340 | int default_signals(int sig, ...); | |
341 | int sigaction_many(const struct sigaction *sa, ...); | |
a337c6fc | 342 | |
8d567588 | 343 | int close_pipe(int p[]); |
5a3ab509 | 344 | int fopen_temporary(const char *path, FILE **_f, char **_temp_path); |
8d567588 | 345 | |
eb22ac37 LP |
346 | ssize_t loop_read(int fd, void *buf, size_t nbytes, bool do_poll); |
347 | ssize_t loop_write(int fd, const void *buf, size_t nbytes, bool do_poll); | |
8d567588 | 348 | |
8407a5d0 LP |
349 | bool is_device_path(const char *path); |
350 | ||
01f78473 LP |
351 | int dir_is_empty(const char *path); |
352 | ||
5b6319dc | 353 | void rename_process(const char name[8]); |
2d368c14 | 354 | |
7d793605 LP |
355 | void sigset_add_many(sigset_t *ss, ...); |
356 | ||
344de609 | 357 | bool hostname_is_set(void); |
7c5f152a LP |
358 | |
359 | char* gethostname_malloc(void); | |
ef2f1067 | 360 | char* getlogname_malloc(void); |
7c5f152a | 361 | char* getusername_malloc(void); |
fc116c6a LP |
362 | |
363 | int getttyname_malloc(int fd, char **r); | |
364 | int getttyname_harder(int fd, char **r); | |
365 | ||
4d6d6518 LP |
366 | int get_ctty_devnr(pid_t pid, dev_t *d); |
367 | int get_ctty(pid_t, dev_t *_devnr, char **r); | |
8c6db833 LP |
368 | |
369 | int chmod_and_chown(const char *path, mode_t mode, uid_t uid, gid_t gid); | |
f4b47811 | 370 | int fchmod_and_fchown(int fd, mode_t mode, uid_t uid, gid_t gid); |
8c6db833 | 371 | |
597f43c7 | 372 | int rm_rf_children(int fd, bool only_dirs, bool honour_sticky, struct stat *root_dev); |
f56d5db9 | 373 | int rm_rf_children_dangerous(int fd, bool only_dirs, bool honour_sticky, struct stat *root_dev); |
ad293f5a | 374 | int rm_rf(const char *path, bool only_dirs, bool delete_root, bool honour_sticky); |
f56d5db9 | 375 | int rm_rf_dangerous(const char *path, bool only_dirs, bool delete_root, bool honour_sticky); |
ef2f1067 | 376 | |
1325aa42 LP |
377 | int pipe_eof(int fd); |
378 | ||
82c121a4 LP |
379 | cpu_set_t* cpu_set_malloc(unsigned *ncpus); |
380 | ||
669bec5d LP |
381 | int status_vprintf(const char *status, bool ellipse, const char *format, va_list ap); |
382 | int status_printf(const char *status, bool ellipse, const char *format, ...); | |
383 | int status_welcome(void); | |
9e58ff9c | 384 | |
81beb750 | 385 | int fd_columns(int fd); |
72f59706 | 386 | unsigned columns(void); |
11f96fac | 387 | unsigned columns_uncached(void); |
585314e8 | 388 | void columns_cache_reset(int _unused_ signum); |
fa776d8e | 389 | |
8f2d43a0 LP |
390 | int fd_lines(int fd); |
391 | unsigned lines(void); | |
392 | ||
b4f10a5e LP |
393 | int running_in_chroot(void); |
394 | ||
72f59706 LP |
395 | char *ellipsize(const char *s, size_t length, unsigned percent); |
396 | char *ellipsize_mem(const char *s, size_t old_length, size_t new_length, unsigned percent); | |
8fe914ec | 397 | |
f6144808 LP |
398 | int touch(const char *path); |
399 | ||
97c4a07d | 400 | char *unquote(const char *s, const char *quotes); |
5f7c426e | 401 | char *normalize_env_assignment(const char *s); |
11ce3427 | 402 | |
8e12a6ae | 403 | int wait_for_terminate(pid_t pid, siginfo_t *status); |
97c4a07d | 404 | int wait_for_terminate_and_warn(const char *name, pid_t pid); |
2e78aa99 | 405 | |
3c14d26c LP |
406 | _noreturn_ void freeze(void); |
407 | ||
00dc5d76 | 408 | bool null_or_empty(struct stat *st); |
83096483 | 409 | int null_or_empty_path(const char *fn); |
00dc5d76 | 410 | |
a247755d | 411 | DIR *xopendirat(int dirfd, const char *name, int flags); |
3b63d2d3 | 412 | |
10717a1a | 413 | void dual_timestamp_serialize(FILE *f, const char *name, dual_timestamp *t); |
799fd0fd | 414 | void dual_timestamp_deserialize(const char *value, dual_timestamp *t); |
10717a1a | 415 | |
e23a0ce8 LP |
416 | char *fstab_node_to_udev_node(const char *p); |
417 | ||
f212ac12 | 418 | bool tty_is_vc(const char *tty); |
3043935f | 419 | bool tty_is_vc_resolve(const char *tty); |
d1122ad5 | 420 | bool tty_is_console(const char *tty); |
98a28fef | 421 | int vtnr_from_tty(const char *tty); |
e3aa71c3 LP |
422 | const char *default_term_for_tty(const char *tty); |
423 | ||
83cc030f LP |
424 | void execute_directory(const char *directory, DIR *_d, char *argv[]); |
425 | ||
430c18ed LP |
426 | int kill_and_sigcont(pid_t pid, int sig); |
427 | ||
05feefe0 LP |
428 | bool nulstr_contains(const char*nulstr, const char *needle); |
429 | ||
6faa1114 LP |
430 | bool plymouth_running(void); |
431 | ||
9beb3f4d LP |
432 | bool hostname_is_valid(const char *s); |
433 | char* hostname_cleanup(char *s); | |
434 | ||
435 | char* strshorten(char *s, size_t l); | |
436 | ||
6ea832a2 LP |
437 | int terminal_vhangup_fd(int fd); |
438 | int terminal_vhangup(const char *name); | |
439 | ||
440 | int vt_disallocate(const char *name); | |
441 | ||
34ca941c | 442 | int copy_file(const char *from, const char *to); |
424a19f8 LP |
443 | |
444 | int symlink_atomic(const char *from, const char *to); | |
34ca941c LP |
445 | |
446 | int fchmod_umask(int fd, mode_t mode); | |
447 | ||
4d6d6518 LP |
448 | bool display_is_local(const char *display); |
449 | int socket_from_display(const char *display, char **path); | |
450 | ||
d05c5031 | 451 | int get_user_creds(const char **username, uid_t *uid, gid_t *gid, const char **home, const char **shell); |
4b67834e | 452 | int get_group_creds(const char **groupname, gid_t *gid); |
1cccf435 | 453 | |
43673799 LP |
454 | int in_group(const char *name); |
455 | ||
8092a428 LP |
456 | int glob_exists(const char *path); |
457 | ||
83096483 LP |
458 | int dirent_ensure_type(DIR *d, struct dirent *de); |
459 | ||
460 | int in_search_path(const char *path, char **search); | |
034a2a52 | 461 | int get_files_in_directory(const char *path, char ***list); |
83096483 | 462 | |
b7def684 | 463 | char *strjoin(const char *x, ...) _sentinel_; |
911a4828 | 464 | |
b636465b LP |
465 | bool is_main_thread(void); |
466 | ||
ab1f0633 LP |
467 | bool in_charset(const char *s, const char* charset); |
468 | ||
94959f0f LP |
469 | int block_get_whole_disk(dev_t d, dev_t *ret); |
470 | ||
8d53b453 | 471 | int file_is_priv_sticky(const char *p); |
ad293f5a | 472 | |
fb9de93d LP |
473 | int strdup_or_null(const char *a, char **b); |
474 | ||
e23a0ce8 | 475 | #define NULSTR_FOREACH(i, l) \ |
c4e2ceae LP |
476 | for ((i) = (l); (i) && *(i); (i) = strchr((i), 0)+1) |
477 | ||
5c0532d1 LP |
478 | #define NULSTR_FOREACH_PAIR(i, j, l) \ |
479 | for ((i) = (l), (j) = strchr((i), 0)+1; (i) && *(i); (i) = strchr((j), 0)+1, (j) = *(i) ? strchr((i), 0)+1 : (i)) | |
480 | ||
1dccbe19 LP |
481 | const char *ioprio_class_to_string(int i); |
482 | int ioprio_class_from_string(const char *s); | |
483 | ||
484 | const char *sigchld_code_to_string(int i); | |
485 | int sigchld_code_from_string(const char *s); | |
486 | ||
7d76f312 LP |
487 | const char *log_facility_unshifted_to_string(int i); |
488 | int log_facility_unshifted_from_string(const char *s); | |
1dccbe19 LP |
489 | |
490 | const char *log_level_to_string(int i); | |
491 | int log_level_from_string(const char *s); | |
492 | ||
493 | const char *sched_policy_to_string(int i); | |
494 | int sched_policy_from_string(const char *s); | |
495 | ||
496 | const char *rlimit_to_string(int i); | |
497 | int rlimit_from_string(const char *s); | |
498 | ||
4fd5948e LP |
499 | const char *ip_tos_to_string(int i); |
500 | int ip_tos_from_string(const char *s); | |
501 | ||
2e22afe9 LP |
502 | const char *signal_to_string(int i); |
503 | int signal_from_string(const char *s); | |
504 | ||
8a0867d6 LP |
505 | int signal_from_string_try_harder(const char *s); |
506 | ||
9a0e6896 LP |
507 | extern int saved_argc; |
508 | extern char **saved_argv; | |
509 | ||
65457142 FC |
510 | bool kexec_loaded(void); |
511 | ||
87d2c1ff LP |
512 | int prot_from_flags(int flags); |
513 | ||
babfc091 LP |
514 | char *format_bytes(char *buf, size_t l, off_t t); |
515 | ||
8f2d43a0 | 516 | int fd_wait_for_event(int fd, int event, usec_t timeout); |
df50185b | 517 | |
4b8772bf | 518 | void* memdup(const void *p, size_t l) _malloc_; |
55d7bfc1 | 519 | |
1e5678d0 LP |
520 | int is_kernel_thread(pid_t pid); |
521 | ||
bb99a35a LP |
522 | int fd_inc_sndbuf(int fd, size_t n); |
523 | int fd_inc_rcvbuf(int fd, size_t n); | |
6bb92a16 | 524 | |
9bdc770c | 525 | int fork_agent(pid_t *pid, const int except[], unsigned n_except, const char *path, ...); |
6bb92a16 | 526 | |
68faf98c LP |
527 | int setrlimit_closest(int resource, const struct rlimit *rlim); |
528 | ||
ab94af92 LP |
529 | int getenv_for_pid(pid_t pid, const char *field, char **_value); |
530 | ||
d889a206 LP |
531 | int can_sleep(const char *type); |
532 | ||
49dbfa7b LP |
533 | bool is_valid_documentation_url(const char *url); |
534 | ||
9be346c9 | 535 | bool in_initrd(void); |
069cfc85 LP |
536 | |
537 | void warn_melody(void); | |
538 | ||
7c5f152a LP |
539 | int get_shell(char **ret); |
540 | int get_home_dir(char **ret); | |
2fbe635a LP |
541 | |
542 | void freep(void *p); | |
543 | void fclosep(FILE **f); | |
e67f47e5 | 544 | void closep(int *fd); |
a05f97b3 | 545 | void closedirp(DIR **d); |
25ea79fe | 546 | void umaskp(mode_t *u); |
4b8772bf LP |
547 | |
548 | _malloc_ static inline void *malloc_multiply(size_t a, size_t b) { | |
aa408e77 | 549 | if (_unlikely_(b == 0 || a > ((size_t) -1) / b)) |
4b8772bf LP |
550 | return NULL; |
551 | ||
552 | return malloc(a * b); | |
553 | } | |
554 | ||
040f18ea | 555 | _malloc_ static inline void *memdup_multiply(const void *p, size_t a, size_t b) { |
aa408e77 | 556 | if (_unlikely_(b == 0 || a > ((size_t) -1) / b)) |
4b8772bf LP |
557 | return NULL; |
558 | ||
559 | return memdup(p, a * b); | |
560 | } |