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Commit | Line | Data |
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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 | 40 | #include "macro.h" |
9a98c7a1 | 41 | #include "time-util.h" |
871d7de4 | 42 | |
7d5e9c0f LP |
43 | union dirent_storage { |
44 | struct dirent de; | |
45 | uint8_t storage[offsetof(struct dirent, d_name) + | |
46 | ((NAME_MAX + 1 + sizeof(long)) & ~(sizeof(long) - 1))]; | |
47 | }; | |
48 | ||
44d8db9e | 49 | /* What is interpreted as whitespace? */ |
4a72ff34 | 50 | #define WHITESPACE " \t\n\r" |
7072ced8 | 51 | #define NEWLINE "\n\r" |
97c4a07d LP |
52 | #define QUOTES "\"\'" |
53 | #define COMMENTS "#;\n" | |
44d8db9e | 54 | |
a7bc2c2a | 55 | #define FORMAT_BYTES_MAX 8 |
8b6c7120 | 56 | |
c1072ea0 | 57 | #define ANSI_HIGHLIGHT_ON "\x1B[1;39m" |
03b717a3 | 58 | #define ANSI_RED_ON "\x1B[31m" |
281605bf | 59 | #define ANSI_HIGHLIGHT_RED_ON "\x1B[1;31m" |
076a24ad | 60 | #define ANSI_GREEN_ON "\x1B[32m" |
2ee68f72 | 61 | #define ANSI_HIGHLIGHT_GREEN_ON "\x1B[1;32m" |
5f23d5b1 | 62 | #define ANSI_HIGHLIGHT_YELLOW_ON "\x1B[1;33m" |
61cbdc4b | 63 | #define ANSI_HIGHLIGHT_OFF "\x1B[0m" |
984a2be4 | 64 | #define ANSI_ERASE_TO_END_OF_LINE "\x1B[K" |
61cbdc4b | 65 | |
37f85e66 | 66 | size_t page_size(void); |
67 | #define PAGE_ALIGN(l) ALIGN_TO((l), page_size()) | |
68 | ||
60918275 | 69 | #define streq(a,b) (strcmp((a),(b)) == 0) |
3846aeeb | 70 | #define strneq(a, b, n) (strncmp((a), (b), (n)) == 0) |
b43d1d01 TA |
71 | #define strcaseeq(a,b) (strcasecmp((a),(b)) == 0) |
72 | #define strncaseeq(a, b, n) (strncasecmp((a), (b), (n)) == 0) | |
60918275 | 73 | |
e05797fb LP |
74 | bool streq_ptr(const char *a, const char *b); |
75 | ||
4b8772bf | 76 | #define new(t, n) ((t*) malloc_multiply(sizeof(t), (n))) |
60918275 LP |
77 | |
78 | #define new0(t, n) ((t*) calloc((n), sizeof(t))) | |
79 | ||
0f0dbc46 LP |
80 | #define newa(t, n) ((t*) alloca(sizeof(t)*(n))) |
81 | ||
4b8772bf | 82 | #define newdup(t, p, n) ((t*) memdup_multiply(p, sizeof(t), (n))) |
888c7102 | 83 | |
60918275 LP |
84 | #define malloc0(n) (calloc((n), 1)) |
85 | ||
86 | static inline const char* yes_no(bool b) { | |
87 | return b ? "yes" : "no"; | |
88 | } | |
89 | ||
90 | static inline const char* strempty(const char *s) { | |
91 | return s ? s : ""; | |
92 | } | |
93 | ||
94 | static inline const char* strnull(const char *s) { | |
95 | return s ? s : "(null)"; | |
96 | } | |
97 | ||
04fd6fe4 LP |
98 | static inline const char *strna(const char *s) { |
99 | return s ? s : "n/a"; | |
100 | } | |
101 | ||
9beb3f4d LP |
102 | static inline bool isempty(const char *p) { |
103 | return !p || !p[0]; | |
104 | } | |
105 | ||
8c7c140f | 106 | char *endswith(const char *s, const char *postfix); |
e8988fc2 LP |
107 | char *startswith(const char *s, const char *prefix); |
108 | char *startswith_no_case(const char *s, const char *prefix); | |
60918275 | 109 | |
79d6d816 LP |
110 | bool first_word(const char *s, const char *word); |
111 | ||
42f4e3c4 | 112 | int close_nointr(int fd); |
85f136b5 | 113 | void close_nointr_nofail(int fd); |
5b6319dc | 114 | void close_many(const int fds[], unsigned n_fd); |
60918275 | 115 | |
85261803 | 116 | int parse_boolean(const char *v); |
ab1f0633 | 117 | int parse_bytes(const char *t, off_t *bytes); |
3ba686c1 | 118 | int parse_pid(const char *s, pid_t* ret_pid); |
034a2a52 LP |
119 | int parse_uid(const char *s, uid_t* ret_uid); |
120 | #define parse_gid(s, ret_uid) parse_uid(s, ret_uid) | |
85261803 LP |
121 | |
122 | int safe_atou(const char *s, unsigned *ret_u); | |
123 | int safe_atoi(const char *s, int *ret_i); | |
124 | ||
8f75a603 LP |
125 | int safe_atollu(const char *s, unsigned long long *ret_u); |
126 | int safe_atolli(const char *s, long long int *ret_i); | |
127 | ||
f7900e25 TA |
128 | int safe_atod(const char *s, double *ret_d); |
129 | ||
8f75a603 LP |
130 | #if __WORDSIZE == 32 |
131 | static inline int safe_atolu(const char *s, unsigned long *ret_u) { | |
132 | assert_cc(sizeof(unsigned long) == sizeof(unsigned)); | |
133 | return safe_atou(s, (unsigned*) ret_u); | |
134 | } | |
135 | static inline int safe_atoli(const char *s, long int *ret_u) { | |
136 | assert_cc(sizeof(long int) == sizeof(int)); | |
137 | return safe_atoi(s, (int*) ret_u); | |
138 | } | |
139 | #else | |
140 | static inline int safe_atolu(const char *s, unsigned long *ret_u) { | |
141 | assert_cc(sizeof(unsigned long) == sizeof(unsigned long long)); | |
142 | return safe_atollu(s, (unsigned long long*) ret_u); | |
143 | } | |
144 | static inline int safe_atoli(const char *s, long int *ret_u) { | |
145 | assert_cc(sizeof(long int) == sizeof(long long int)); | |
146 | return safe_atolli(s, (long long int*) ret_u); | |
147 | } | |
148 | #endif | |
149 | ||
a838e6a1 LP |
150 | static inline int safe_atou32(const char *s, uint32_t *ret_u) { |
151 | assert_cc(sizeof(uint32_t) == sizeof(unsigned)); | |
152 | return safe_atou(s, (unsigned*) ret_u); | |
153 | } | |
154 | ||
8f75a603 | 155 | static inline int safe_atoi32(const char *s, int32_t *ret_i) { |
a838e6a1 | 156 | assert_cc(sizeof(int32_t) == sizeof(int)); |
8f75a603 | 157 | return safe_atoi(s, (int*) ret_i); |
a838e6a1 LP |
158 | } |
159 | ||
8f75a603 LP |
160 | static inline int safe_atou64(const char *s, uint64_t *ret_u) { |
161 | assert_cc(sizeof(uint64_t) == sizeof(unsigned long long)); | |
162 | return safe_atollu(s, (unsigned long long*) ret_u); | |
163 | } | |
034c6ed7 | 164 | |
8f75a603 LP |
165 | static inline int safe_atoi64(const char *s, int64_t *ret_i) { |
166 | assert_cc(sizeof(int64_t) == sizeof(long long int)); | |
167 | return safe_atolli(s, (long long int*) ret_i); | |
168 | } | |
034c6ed7 | 169 | |
65d2ebdc | 170 | char *split(const char *c, size_t *l, const char *separator, char **state); |
034c6ed7 | 171 | char *split_quoted(const char *c, size_t *l, char **state); |
a41e8209 | 172 | |
034c6ed7 | 173 | #define FOREACH_WORD(word, length, s, state) \ |
f62c0e4f | 174 | for ((state) = NULL, (word) = split((s), &(length), WHITESPACE, &(state)); (word); (word) = split((s), &(length), WHITESPACE, &(state))) |
65d2ebdc LP |
175 | |
176 | #define FOREACH_WORD_SEPARATOR(word, length, s, separator, state) \ | |
f62c0e4f | 177 | for ((state) = NULL, (word) = split((s), &(length), (separator), &(state)); (word); (word) = split((s), &(length), (separator), &(state))) |
a41e8209 | 178 | |
034c6ed7 | 179 | #define FOREACH_WORD_QUOTED(word, length, s, state) \ |
f62c0e4f | 180 | for ((state) = NULL, (word) = split_quoted((s), &(length), &(state)); (word); (word) = split_quoted((s), &(length), &(state))) |
034c6ed7 | 181 | |
034c6ed7 | 182 | pid_t get_parent_of_pid(pid_t pid, pid_t *ppid); |
7640a5de | 183 | int get_starttime_of_pid(pid_t pid, unsigned long long *st); |
034c6ed7 | 184 | |
44d8db9e | 185 | char *strappend(const char *s, const char *suffix); |
fab56fc5 LP |
186 | char *strnappend(const char *s, const char *suffix, size_t length); |
187 | ||
188 | char *replace_env(const char *format, char **env); | |
189 | char **replace_env_argv(char **argv, char **env); | |
44d8db9e | 190 | |
87f0e418 | 191 | int readlink_malloc(const char *p, char **r); |
2c7108c4 | 192 | int readlink_and_make_absolute(const char *p, char **r); |
83096483 | 193 | int readlink_and_canonicalize(const char *p, char **r); |
87f0e418 | 194 | |
2a987ee8 LP |
195 | int reset_all_signal_handlers(void); |
196 | ||
4a72ff34 | 197 | char *strstrip(char *s); |
ee9b5e01 | 198 | char *delete_chars(char *s, const char *bad); |
7072ced8 | 199 | char *truncate_nl(char *s); |
ee9b5e01 | 200 | |
4a72ff34 LP |
201 | char *file_in_same_dir(const char *path, const char *filename); |
202 | ||
c32dd69b LP |
203 | int rmdir_parents(const char *path, const char *stop); |
204 | ||
87d2c1ff LP |
205 | int get_process_comm(pid_t pid, char **name); |
206 | int get_process_cmdline(pid_t pid, size_t max_length, bool comm_fallback, char **line); | |
207 | int get_process_exe(pid_t pid, char **name); | |
7e4ab3c5 | 208 | int get_process_uid(pid_t pid, uid_t *uid); |
901c3d0d | 209 | int get_process_gid(pid_t pid, gid_t *gid); |
7072ced8 | 210 | |
fb624d04 | 211 | char hexchar(int x); |
4fe88d28 LP |
212 | int unhexchar(char c); |
213 | char octchar(int x); | |
214 | int unoctchar(char c); | |
5af98f82 LP |
215 | char decchar(int x); |
216 | int undecchar(char c); | |
4fe88d28 LP |
217 | |
218 | char *cescape(const char *s); | |
219 | char *cunescape(const char *s); | |
6febfd0d | 220 | char *cunescape_length(const char *s, size_t length); |
5b4c61cd | 221 | char *cunescape_length_with_prefix(const char *s, size_t length, const char *prefix); |
6febfd0d LP |
222 | |
223 | char *xescape(const char *s, const char *bad); | |
224 | ||
225 | char *bus_path_escape(const char *s); | |
226 | char *bus_path_unescape(const char *s); | |
4fe88d28 | 227 | |
4fe88d28 LP |
228 | char *ascii_strlower(char *path); |
229 | ||
87d2c1ff LP |
230 | bool dirent_is_file(const struct dirent *de); |
231 | bool dirent_is_file_with_suffix(const struct dirent *de, const char *suffix); | |
232 | ||
c85dc17b LP |
233 | bool ignore_file(const char *filename); |
234 | ||
db12775d LP |
235 | bool chars_intersect(const char *a, const char *b); |
236 | ||
843d2643 | 237 | int make_stdio(int fd); |
ade509ce | 238 | int make_null_stdio(void); |
cd3bd60a | 239 | int make_console_stdio(void); |
843d2643 | 240 | |
d3782d60 LP |
241 | unsigned long long random_ull(void); |
242 | ||
f8b69d1d | 243 | /* For basic lookup tables with strictly enumerated entries */ |
4e240ab0 MS |
244 | #define __DEFINE_STRING_TABLE_LOOKUP(name,type,scope) \ |
245 | scope const char *name##_to_string(type i) { \ | |
1dccbe19 LP |
246 | if (i < 0 || i >= (type) ELEMENTSOF(name##_table)) \ |
247 | return NULL; \ | |
248 | return name##_table[i]; \ | |
249 | } \ | |
4e240ab0 | 250 | scope type name##_from_string(const char *s) { \ |
1dccbe19 LP |
251 | type i; \ |
252 | assert(s); \ | |
253 | for (i = 0; i < (type)ELEMENTSOF(name##_table); i++) \ | |
4fd5948e LP |
254 | if (name##_table[i] && \ |
255 | streq(name##_table[i], s)) \ | |
1dccbe19 LP |
256 | return i; \ |
257 | return (type) -1; \ | |
258 | } \ | |
259 | struct __useless_struct_to_allow_trailing_semicolon__ | |
260 | ||
4e240ab0 MS |
261 | #define DEFINE_STRING_TABLE_LOOKUP(name,type) __DEFINE_STRING_TABLE_LOOKUP(name,type,) |
262 | #define DEFINE_PRIVATE_STRING_TABLE_LOOKUP(name,type) __DEFINE_STRING_TABLE_LOOKUP(name,type,static) | |
1dccbe19 | 263 | |
f8b69d1d MS |
264 | /* For string conversions where numbers are also acceptable */ |
265 | #define DEFINE_STRING_TABLE_LOOKUP_WITH_FALLBACK(name,type,max) \ | |
266 | int name##_to_string_alloc(type i, char **str) { \ | |
267 | char *s; \ | |
268 | int r; \ | |
269 | if (i < 0 || i > max) \ | |
270 | return -ERANGE; \ | |
271 | if (i < (type) ELEMENTSOF(name##_table)) { \ | |
272 | s = strdup(name##_table[i]); \ | |
273 | if (!s) \ | |
274 | return log_oom(); \ | |
275 | } else { \ | |
276 | r = asprintf(&s, "%u", i); \ | |
277 | if (r < 0) \ | |
278 | return log_oom(); \ | |
279 | } \ | |
280 | *str = s; \ | |
281 | return 0; \ | |
282 | } \ | |
283 | type name##_from_string(const char *s) { \ | |
284 | type i; \ | |
285 | unsigned u = 0; \ | |
286 | assert(s); \ | |
287 | for (i = 0; i < (type)ELEMENTSOF(name##_table); i++) \ | |
288 | if (name##_table[i] && \ | |
289 | streq(name##_table[i], s)) \ | |
290 | return i; \ | |
8511dd18 | 291 | if (safe_atou(s, &u) >= 0 && u <= max) \ |
f8b69d1d MS |
292 | return (type) u; \ |
293 | return (type) -1; \ | |
294 | } \ | |
295 | struct __useless_struct_to_allow_trailing_semicolon__ | |
296 | ||
3a0ecb08 LP |
297 | int fd_nonblock(int fd, bool nonblock); |
298 | int fd_cloexec(int fd, bool cloexec); | |
299 | ||
a0d40ac5 LP |
300 | int close_all_fds(const int except[], unsigned n_except); |
301 | ||
42856c10 LP |
302 | bool fstype_is_network(const char *fstype); |
303 | ||
601f6a1e LP |
304 | int chvt(int vt); |
305 | ||
8f2d43a0 | 306 | int read_one_char(FILE *f, char *ret, usec_t timeout, bool *need_nl); |
80876c20 LP |
307 | int ask(char *ret, const char *replies, const char *text, ...); |
308 | ||
512947d4 | 309 | int reset_terminal_fd(int fd, bool switch_to_text); |
6ea832a2 LP |
310 | int reset_terminal(const char *name); |
311 | ||
80876c20 | 312 | int open_terminal(const char *name, int mode); |
af6da548 | 313 | int acquire_terminal(const char *name, bool fail, bool force, bool ignore_tiocstty_eperm, usec_t timeout); |
80876c20 LP |
314 | int release_terminal(void); |
315 | ||
316 | int flush_fd(int fd); | |
317 | ||
9a34ec5f LP |
318 | int ignore_signals(int sig, ...); |
319 | int default_signals(int sig, ...); | |
320 | int sigaction_many(const struct sigaction *sa, ...); | |
a337c6fc | 321 | |
8d567588 | 322 | int close_pipe(int p[]); |
5a3ab509 | 323 | int fopen_temporary(const char *path, FILE **_f, char **_temp_path); |
8d567588 | 324 | |
eb22ac37 LP |
325 | ssize_t loop_read(int fd, void *buf, size_t nbytes, bool do_poll); |
326 | ssize_t loop_write(int fd, const void *buf, size_t nbytes, bool do_poll); | |
8d567588 | 327 | |
8407a5d0 LP |
328 | bool is_device_path(const char *path); |
329 | ||
01f78473 LP |
330 | int dir_is_empty(const char *path); |
331 | ||
5b6319dc | 332 | void rename_process(const char name[8]); |
2d368c14 | 333 | |
7d793605 LP |
334 | void sigset_add_many(sigset_t *ss, ...); |
335 | ||
344de609 | 336 | bool hostname_is_set(void); |
7c5f152a LP |
337 | |
338 | char* gethostname_malloc(void); | |
ef2f1067 | 339 | char* getlogname_malloc(void); |
7c5f152a | 340 | char* getusername_malloc(void); |
fc116c6a LP |
341 | |
342 | int getttyname_malloc(int fd, char **r); | |
343 | int getttyname_harder(int fd, char **r); | |
344 | ||
4d6d6518 LP |
345 | int get_ctty_devnr(pid_t pid, dev_t *d); |
346 | int get_ctty(pid_t, dev_t *_devnr, char **r); | |
8c6db833 LP |
347 | |
348 | int chmod_and_chown(const char *path, mode_t mode, uid_t uid, gid_t gid); | |
f4b47811 | 349 | int fchmod_and_fchown(int fd, mode_t mode, uid_t uid, gid_t gid); |
8c6db833 | 350 | |
597f43c7 | 351 | int rm_rf_children(int fd, bool only_dirs, bool honour_sticky, struct stat *root_dev); |
f56d5db9 | 352 | int rm_rf_children_dangerous(int fd, bool only_dirs, bool honour_sticky, struct stat *root_dev); |
ad293f5a | 353 | int rm_rf(const char *path, bool only_dirs, bool delete_root, bool honour_sticky); |
f56d5db9 | 354 | int rm_rf_dangerous(const char *path, bool only_dirs, bool delete_root, bool honour_sticky); |
ef2f1067 | 355 | |
1325aa42 LP |
356 | int pipe_eof(int fd); |
357 | ||
82c121a4 LP |
358 | cpu_set_t* cpu_set_malloc(unsigned *ncpus); |
359 | ||
984a2be4 MS |
360 | int status_vprintf(const char *status, bool ellipse, bool ephemeral, const char *format, va_list ap); |
361 | int status_printf(const char *status, bool ellipse, bool ephemeral, const char *format, ...); | |
669bec5d | 362 | int status_welcome(void); |
9e58ff9c | 363 | |
81beb750 | 364 | int fd_columns(int fd); |
72f59706 | 365 | unsigned columns(void); |
8f2d43a0 LP |
366 | int fd_lines(int fd); |
367 | unsigned lines(void); | |
ed757c0c LP |
368 | void columns_lines_cache_reset(int _unused_ signum); |
369 | ||
370 | bool on_tty(void); | |
8f2d43a0 | 371 | |
b4f10a5e LP |
372 | int running_in_chroot(void); |
373 | ||
72f59706 LP |
374 | char *ellipsize(const char *s, size_t length, unsigned percent); |
375 | char *ellipsize_mem(const char *s, size_t old_length, size_t new_length, unsigned percent); | |
8fe914ec | 376 | |
f6144808 LP |
377 | int touch(const char *path); |
378 | ||
97c4a07d | 379 | char *unquote(const char *s, const char *quotes); |
5f7c426e | 380 | char *normalize_env_assignment(const char *s); |
11ce3427 | 381 | |
8e12a6ae | 382 | int wait_for_terminate(pid_t pid, siginfo_t *status); |
97c4a07d | 383 | int wait_for_terminate_and_warn(const char *name, pid_t pid); |
2e78aa99 | 384 | |
3c14d26c LP |
385 | _noreturn_ void freeze(void); |
386 | ||
00dc5d76 | 387 | bool null_or_empty(struct stat *st); |
83096483 | 388 | int null_or_empty_path(const char *fn); |
00dc5d76 | 389 | |
a247755d | 390 | DIR *xopendirat(int dirfd, const char *name, int flags); |
3b63d2d3 | 391 | |
e23a0ce8 LP |
392 | char *fstab_node_to_udev_node(const char *p); |
393 | ||
21baf21a | 394 | char *resolve_dev_console(char **active); |
f212ac12 | 395 | bool tty_is_vc(const char *tty); |
3043935f | 396 | bool tty_is_vc_resolve(const char *tty); |
d1122ad5 | 397 | bool tty_is_console(const char *tty); |
98a28fef | 398 | int vtnr_from_tty(const char *tty); |
e3aa71c3 LP |
399 | const char *default_term_for_tty(const char *tty); |
400 | ||
83cc030f LP |
401 | void execute_directory(const char *directory, DIR *_d, char *argv[]); |
402 | ||
430c18ed LP |
403 | int kill_and_sigcont(pid_t pid, int sig); |
404 | ||
05feefe0 LP |
405 | bool nulstr_contains(const char*nulstr, const char *needle); |
406 | ||
6faa1114 LP |
407 | bool plymouth_running(void); |
408 | ||
9beb3f4d LP |
409 | bool hostname_is_valid(const char *s); |
410 | char* hostname_cleanup(char *s); | |
411 | ||
412 | char* strshorten(char *s, size_t l); | |
413 | ||
6ea832a2 LP |
414 | int terminal_vhangup_fd(int fd); |
415 | int terminal_vhangup(const char *name); | |
416 | ||
417 | int vt_disallocate(const char *name); | |
418 | ||
34ca941c | 419 | int copy_file(const char *from, const char *to); |
424a19f8 LP |
420 | |
421 | int symlink_atomic(const char *from, const char *to); | |
34ca941c LP |
422 | |
423 | int fchmod_umask(int fd, mode_t mode); | |
424 | ||
4d6d6518 LP |
425 | bool display_is_local(const char *display); |
426 | int socket_from_display(const char *display, char **path); | |
427 | ||
d05c5031 | 428 | int get_user_creds(const char **username, uid_t *uid, gid_t *gid, const char **home, const char **shell); |
4b67834e | 429 | int get_group_creds(const char **groupname, gid_t *gid); |
1cccf435 | 430 | |
43673799 LP |
431 | int in_group(const char *name); |
432 | ||
59164be4 LP |
433 | char* uid_to_name(uid_t uid); |
434 | ||
8092a428 LP |
435 | int glob_exists(const char *path); |
436 | ||
83096483 LP |
437 | int dirent_ensure_type(DIR *d, struct dirent *de); |
438 | ||
439 | int in_search_path(const char *path, char **search); | |
034a2a52 | 440 | int get_files_in_directory(const char *path, char ***list); |
83096483 | 441 | |
b7def684 | 442 | char *strjoin(const char *x, ...) _sentinel_; |
911a4828 | 443 | |
b636465b LP |
444 | bool is_main_thread(void); |
445 | ||
ab1f0633 LP |
446 | bool in_charset(const char *s, const char* charset); |
447 | ||
94959f0f LP |
448 | int block_get_whole_disk(dev_t d, dev_t *ret); |
449 | ||
8d53b453 | 450 | int file_is_priv_sticky(const char *p); |
ad293f5a | 451 | |
fb9de93d LP |
452 | int strdup_or_null(const char *a, char **b); |
453 | ||
e23a0ce8 | 454 | #define NULSTR_FOREACH(i, l) \ |
c4e2ceae LP |
455 | for ((i) = (l); (i) && *(i); (i) = strchr((i), 0)+1) |
456 | ||
5c0532d1 LP |
457 | #define NULSTR_FOREACH_PAIR(i, j, l) \ |
458 | for ((i) = (l), (j) = strchr((i), 0)+1; (i) && *(i); (i) = strchr((j), 0)+1, (j) = *(i) ? strchr((i), 0)+1 : (i)) | |
459 | ||
f8b69d1d | 460 | int ioprio_class_to_string_alloc(int i, char **s); |
1dccbe19 LP |
461 | int ioprio_class_from_string(const char *s); |
462 | ||
463 | const char *sigchld_code_to_string(int i); | |
464 | int sigchld_code_from_string(const char *s); | |
465 | ||
f8b69d1d | 466 | int log_facility_unshifted_to_string_alloc(int i, char **s); |
7d76f312 | 467 | int log_facility_unshifted_from_string(const char *s); |
1dccbe19 | 468 | |
f8b69d1d | 469 | int log_level_to_string_alloc(int i, char **s); |
1dccbe19 LP |
470 | int log_level_from_string(const char *s); |
471 | ||
f8b69d1d | 472 | int sched_policy_to_string_alloc(int i, char **s); |
1dccbe19 LP |
473 | int sched_policy_from_string(const char *s); |
474 | ||
475 | const char *rlimit_to_string(int i); | |
476 | int rlimit_from_string(const char *s); | |
477 | ||
f8b69d1d | 478 | int ip_tos_to_string_alloc(int i, char **s); |
4fd5948e LP |
479 | int ip_tos_from_string(const char *s); |
480 | ||
2e22afe9 LP |
481 | const char *signal_to_string(int i); |
482 | int signal_from_string(const char *s); | |
483 | ||
8a0867d6 LP |
484 | int signal_from_string_try_harder(const char *s); |
485 | ||
9a0e6896 LP |
486 | extern int saved_argc; |
487 | extern char **saved_argv; | |
488 | ||
65457142 FC |
489 | bool kexec_loaded(void); |
490 | ||
87d2c1ff LP |
491 | int prot_from_flags(int flags); |
492 | ||
babfc091 LP |
493 | char *format_bytes(char *buf, size_t l, off_t t); |
494 | ||
8f2d43a0 | 495 | int fd_wait_for_event(int fd, int event, usec_t timeout); |
df50185b | 496 | |
4b8772bf | 497 | void* memdup(const void *p, size_t l) _malloc_; |
55d7bfc1 | 498 | |
1e5678d0 LP |
499 | int is_kernel_thread(pid_t pid); |
500 | ||
bb99a35a LP |
501 | int fd_inc_sndbuf(int fd, size_t n); |
502 | int fd_inc_rcvbuf(int fd, size_t n); | |
6bb92a16 | 503 | |
9bdc770c | 504 | int fork_agent(pid_t *pid, const int except[], unsigned n_except, const char *path, ...); |
6bb92a16 | 505 | |
68faf98c LP |
506 | int setrlimit_closest(int resource, const struct rlimit *rlim); |
507 | ||
ab94af92 LP |
508 | int getenv_for_pid(pid_t pid, const char *field, char **_value); |
509 | ||
d889a206 | 510 | int can_sleep(const char *type); |
6524990f | 511 | int can_sleep_disk(const char *type); |
d889a206 | 512 | |
49dbfa7b LP |
513 | bool is_valid_documentation_url(const char *url); |
514 | ||
9be346c9 | 515 | bool in_initrd(void); |
069cfc85 LP |
516 | |
517 | void warn_melody(void); | |
518 | ||
7c5f152a LP |
519 | int get_shell(char **ret); |
520 | int get_home_dir(char **ret); | |
2fbe635a LP |
521 | |
522 | void freep(void *p); | |
523 | void fclosep(FILE **f); | |
e985665d | 524 | void pclosep(FILE **f); |
e67f47e5 | 525 | void closep(int *fd); |
a05f97b3 | 526 | void closedirp(DIR **d); |
25ea79fe | 527 | void umaskp(mode_t *u); |
4b8772bf LP |
528 | |
529 | _malloc_ static inline void *malloc_multiply(size_t a, size_t b) { | |
aa408e77 | 530 | if (_unlikely_(b == 0 || a > ((size_t) -1) / b)) |
4b8772bf LP |
531 | return NULL; |
532 | ||
533 | return malloc(a * b); | |
534 | } | |
535 | ||
040f18ea | 536 | _malloc_ static inline void *memdup_multiply(const void *p, size_t a, size_t b) { |
aa408e77 | 537 | if (_unlikely_(b == 0 || a > ((size_t) -1) / b)) |
4b8772bf LP |
538 | return NULL; |
539 | ||
540 | return memdup(p, a * b); | |
541 | } | |
0b507b17 LP |
542 | |
543 | bool filename_is_safe(const char *p); | |
e884315e | 544 | bool path_is_safe(const char *p); |
0b507b17 | 545 | bool string_is_safe(const char *p); |
4d1a6904 | 546 | bool string_has_cc(const char *p); |
cfbc22ab | 547 | |
a9e12476 KS |
548 | void *xbsearch_r(const void *key, const void *base, size_t nmemb, size_t size, |
549 | int (*compar) (const void *, const void *, void *), | |
550 | void *arg); | |
09017585 MS |
551 | |
552 | bool is_locale_utf8(void); | |
c339d977 MS |
553 | |
554 | typedef enum DrawSpecialChar { | |
45a5ff0d MS |
555 | DRAW_TREE_VERT, |
556 | DRAW_TREE_BRANCH, | |
557 | DRAW_TREE_RIGHT, | |
55c0b89c | 558 | DRAW_TREE_SPACE, |
c339d977 MS |
559 | DRAW_TRIANGULAR_BULLET, |
560 | _DRAW_SPECIAL_CHAR_MAX | |
561 | } DrawSpecialChar; | |
562 | const char *draw_special_char(DrawSpecialChar ch); | |
409bc9c3 LP |
563 | |
564 | char *strreplace(const char *text, const char *old_string, const char *new_string); | |
e8bc0ea2 LP |
565 | |
566 | char *strip_tab_ansi(char **p, size_t *l); | |
240dbaa4 LP |
567 | |
568 | int on_ac_power(void); | |
f74e605f | 569 | |
fabe5c0e LP |
570 | int search_and_fopen(const char *path, const char *mode, const char **search, FILE **_f); |
571 | int search_and_fopen_nulstr(const char *path, const char *mode, const char *search, FILE **_f); | |
572 | ||
9db11a99 LP |
573 | #define FOREACH_LINE(line, f, on_error) \ |
574 | for (;;) \ | |
f74e605f LP |
575 | if (!fgets(line, sizeof(line), f)) { \ |
576 | if (ferror(f)) { \ | |
577 | on_error; \ | |
578 | } \ | |
579 | break; \ | |
580 | } else | |
9db11a99 LP |
581 | |
582 | #define FOREACH_DIRENT(de, d, on_error) \ | |
583 | for (errno = 0, de = readdir(d);; errno = 0, de = readdir(d)) \ | |
584 | if (!de) { \ | |
585 | if (errno != 0) { \ | |
586 | on_error; \ | |
587 | } \ | |
588 | break; \ | |
589 | } else if (ignore_file((de)->d_name)) \ | |
590 | continue; \ | |
591 | else |