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026b81e9 HH |
1 | #ifndef fooutilhfoo |
2 | #define fooutilhfoo | |
3 | ||
4 | /*** | |
5 | This file is part of systemd. | |
6 | ||
7 | Copyright 2010 Lennart Poettering | |
8 | ||
9 | systemd is free software; you can redistribute it and/or modify it | |
10 | under the terms of the GNU Lesser General Public License as published by | |
11 | the Free Software Foundation; either version 2.1 of the License, or | |
12 | (at your option) any later version. | |
13 | ||
14 | systemd is distributed in the hope that it will be useful, but | |
15 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | Lesser General Public License for more details. | |
18 | ||
19 | You should have received a copy of the GNU Lesser General Public License | |
20 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
21 | ***/ | |
22 | ||
69641693 | 23 | #define _GNU_SOURCE |
24 | ||
026b81e9 HH |
25 | #include <inttypes.h> |
26 | #include <time.h> | |
27 | #include <sys/time.h> | |
28 | #include <stdarg.h> | |
29 | #include <stdbool.h> | |
30 | #include <stdlib.h> | |
31 | #include <stdio.h> | |
69641693 | 32 | #include <string.h> |
026b81e9 HH |
33 | #include <signal.h> |
34 | #include <sched.h> | |
35 | #include <limits.h> | |
36 | #include <sys/stat.h> | |
37 | #include <dirent.h> | |
38 | #include <sys/resource.h> | |
39 | ||
40 | #include "macro.h" | |
41 | ||
42 | typedef uint64_t usec_t; | |
43 | typedef uint64_t nsec_t; | |
44 | ||
45 | typedef struct dual_timestamp { | |
46 | usec_t realtime; | |
47 | usec_t monotonic; | |
48 | } dual_timestamp; | |
49 | ||
50 | #define MSEC_PER_SEC 1000ULL | |
51 | #define USEC_PER_SEC 1000000ULL | |
52 | #define USEC_PER_MSEC 1000ULL | |
53 | #define NSEC_PER_SEC 1000000000ULL | |
54 | #define NSEC_PER_MSEC 1000000ULL | |
55 | #define NSEC_PER_USEC 1000ULL | |
56 | ||
57 | #define USEC_PER_MINUTE (60ULL*USEC_PER_SEC) | |
58 | #define NSEC_PER_MINUTE (60ULL*NSEC_PER_SEC) | |
59 | #define USEC_PER_HOUR (60ULL*USEC_PER_MINUTE) | |
60 | #define NSEC_PER_HOUR (60ULL*NSEC_PER_MINUTE) | |
61 | #define USEC_PER_DAY (24ULL*USEC_PER_HOUR) | |
62 | #define NSEC_PER_DAY (24ULL*NSEC_PER_HOUR) | |
63 | #define USEC_PER_WEEK (7ULL*USEC_PER_DAY) | |
64 | #define NSEC_PER_WEEK (7ULL*NSEC_PER_DAY) | |
65 | #define USEC_PER_MONTH (2629800ULL*USEC_PER_SEC) | |
66 | #define NSEC_PER_MONTH (2629800ULL*NSEC_PER_SEC) | |
67 | #define USEC_PER_YEAR (31557600ULL*USEC_PER_SEC) | |
68 | #define NSEC_PER_YEAR (31557600ULL*NSEC_PER_SEC) | |
69 | ||
70 | /* What is interpreted as whitespace? */ | |
71 | #define WHITESPACE " \t\n\r" | |
72 | #define NEWLINE "\n\r" | |
73 | #define QUOTES "\"\'" | |
74 | #define COMMENTS "#;\n" | |
75 | ||
76 | #define FORMAT_TIMESTAMP_MAX 64 | |
77 | #define FORMAT_TIMESTAMP_PRETTY_MAX 256 | |
78 | #define FORMAT_TIMESPAN_MAX 64 | |
79 | #define FORMAT_BYTES_MAX 8 | |
80 | ||
81 | #define ANSI_HIGHLIGHT_ON "\x1B[1;39m" | |
82 | #define ANSI_HIGHLIGHT_RED_ON "\x1B[1;31m" | |
83 | #define ANSI_HIGHLIGHT_GREEN_ON "\x1B[1;32m" | |
84 | #define ANSI_HIGHLIGHT_YELLOW_ON "\x1B[1;33m" | |
85 | #define ANSI_HIGHLIGHT_OFF "\x1B[0m" | |
86 | ||
87 | usec_t now(clockid_t clock); | |
88 | ||
89 | dual_timestamp* dual_timestamp_get(dual_timestamp *ts); | |
90 | dual_timestamp* dual_timestamp_from_realtime(dual_timestamp *ts, usec_t u); | |
91 | ||
92 | #define dual_timestamp_is_set(ts) ((ts)->realtime > 0) | |
93 | ||
94 | usec_t timespec_load(const struct timespec *ts); | |
95 | struct timespec *timespec_store(struct timespec *ts, usec_t u); | |
96 | ||
97 | usec_t timeval_load(const struct timeval *tv); | |
98 | struct timeval *timeval_store(struct timeval *tv, usec_t u); | |
99 | ||
100 | size_t page_size(void); | |
101 | #define PAGE_ALIGN(l) ALIGN_TO((l), page_size()) | |
102 | ||
103 | #define streq(a,b) (strcmp((a),(b)) == 0) | |
104 | #define strneq(a, b, n) (strncmp((a), (b), (n)) == 0) | |
105 | ||
106 | bool streq_ptr(const char *a, const char *b); | |
107 | ||
108 | #define new(t, n) ((t*) malloc(sizeof(t)*(n))) | |
109 | ||
110 | #define new0(t, n) ((t*) calloc((n), sizeof(t))) | |
111 | ||
112 | #define newa(t, n) ((t*) alloca(sizeof(t)*(n))) | |
113 | ||
114 | #define newdup(t, p, n) ((t*) memdup(p, sizeof(t)*(n))) | |
115 | ||
116 | #define malloc0(n) (calloc((n), 1)) | |
117 | ||
118 | static inline const char* yes_no(bool b) { | |
119 | return b ? "yes" : "no"; | |
120 | } | |
121 | ||
122 | static inline const char* strempty(const char *s) { | |
123 | return s ? s : ""; | |
124 | } | |
125 | ||
126 | static inline const char* strnull(const char *s) { | |
127 | return s ? s : "(null)"; | |
128 | } | |
129 | ||
130 | static inline const char *strna(const char *s) { | |
131 | return s ? s : "n/a"; | |
132 | } | |
133 | ||
134 | static inline bool isempty(const char *p) { | |
135 | return !p || !p[0]; | |
136 | } | |
137 | ||
2f461da2 HH |
138 | |
139 | static inline const char *startswith(const char *s, const char *prefix) { | |
140 | if (strncmp(s, prefix, strlen(prefix)) == 0) | |
141 | return s + strlen(prefix); | |
142 | return NULL; | |
143 | } | |
144 | ||
026b81e9 | 145 | bool endswith(const char *s, const char *postfix); |
2f461da2 HH |
146 | |
147 | ||
026b81e9 HH |
148 | bool startswith_no_case(const char *s, const char *prefix); |
149 | ||
150 | bool first_word(const char *s, const char *word); | |
151 | ||
152 | int close_nointr(int fd); | |
153 | void close_nointr_nofail(int fd); | |
154 | void close_many(const int fds[], unsigned n_fd); | |
155 | ||
156 | int parse_boolean(const char *v); | |
157 | int parse_usec(const char *t, usec_t *usec); | |
158 | int parse_nsec(const char *t, nsec_t *nsec); | |
159 | int parse_bytes(const char *t, off_t *bytes); | |
160 | int parse_pid(const char *s, pid_t* ret_pid); | |
161 | int parse_uid(const char *s, uid_t* ret_uid); | |
162 | #define parse_gid(s, ret_uid) parse_uid(s, ret_uid) | |
163 | ||
164 | int safe_atou(const char *s, unsigned *ret_u); | |
165 | int safe_atoi(const char *s, int *ret_i); | |
166 | ||
167 | int safe_atollu(const char *s, unsigned long long *ret_u); | |
168 | int safe_atolli(const char *s, long long int *ret_i); | |
169 | ||
838f2225 | 170 | #if LONG_MAX == INT_MAX |
026b81e9 HH |
171 | static inline int safe_atolu(const char *s, unsigned long *ret_u) { |
172 | assert_cc(sizeof(unsigned long) == sizeof(unsigned)); | |
173 | return safe_atou(s, (unsigned*) ret_u); | |
174 | } | |
175 | static inline int safe_atoli(const char *s, long int *ret_u) { | |
176 | assert_cc(sizeof(long int) == sizeof(int)); | |
177 | return safe_atoi(s, (int*) ret_u); | |
178 | } | |
179 | #else | |
180 | static inline int safe_atolu(const char *s, unsigned long *ret_u) { | |
181 | assert_cc(sizeof(unsigned long) == sizeof(unsigned long long)); | |
182 | return safe_atollu(s, (unsigned long long*) ret_u); | |
183 | } | |
184 | static inline int safe_atoli(const char *s, long int *ret_u) { | |
185 | assert_cc(sizeof(long int) == sizeof(long long int)); | |
186 | return safe_atolli(s, (long long int*) ret_u); | |
187 | } | |
188 | #endif | |
189 | ||
190 | static inline int safe_atou32(const char *s, uint32_t *ret_u) { | |
191 | assert_cc(sizeof(uint32_t) == sizeof(unsigned)); | |
192 | return safe_atou(s, (unsigned*) ret_u); | |
193 | } | |
194 | ||
195 | static inline int safe_atoi32(const char *s, int32_t *ret_i) { | |
196 | assert_cc(sizeof(int32_t) == sizeof(int)); | |
197 | return safe_atoi(s, (int*) ret_i); | |
198 | } | |
199 | ||
200 | static inline int safe_atou64(const char *s, uint64_t *ret_u) { | |
201 | assert_cc(sizeof(uint64_t) == sizeof(unsigned long long)); | |
202 | return safe_atollu(s, (unsigned long long*) ret_u); | |
203 | } | |
204 | ||
205 | static inline int safe_atoi64(const char *s, int64_t *ret_i) { | |
206 | assert_cc(sizeof(int64_t) == sizeof(long long int)); | |
207 | return safe_atolli(s, (long long int*) ret_i); | |
208 | } | |
209 | ||
210 | char *split(const char *c, size_t *l, const char *separator, char **state); | |
211 | char *split_quoted(const char *c, size_t *l, char **state); | |
212 | ||
213 | #define FOREACH_WORD(word, length, s, state) \ | |
214 | for ((state) = NULL, (word) = split((s), &(length), WHITESPACE, &(state)); (word); (word) = split((s), &(length), WHITESPACE, &(state))) | |
215 | ||
216 | #define FOREACH_WORD_SEPARATOR(word, length, s, separator, state) \ | |
217 | for ((state) = NULL, (word) = split((s), &(length), (separator), &(state)); (word); (word) = split((s), &(length), (separator), &(state))) | |
218 | ||
219 | #define FOREACH_WORD_QUOTED(word, length, s, state) \ | |
220 | for ((state) = NULL, (word) = split_quoted((s), &(length), &(state)); (word); (word) = split_quoted((s), &(length), &(state))) | |
221 | ||
222 | pid_t get_parent_of_pid(pid_t pid, pid_t *ppid); | |
223 | int get_starttime_of_pid(pid_t pid, unsigned long long *st); | |
224 | ||
225 | int write_one_line_file(const char *fn, const char *line); | |
226 | int write_one_line_file_atomic(const char *fn, const char *line); | |
227 | int read_one_line_file(const char *fn, char **line); | |
228 | int read_full_file(const char *fn, char **contents, size_t *size); | |
229 | ||
230 | int parse_env_file(const char *fname, const char *separator, ...) _sentinel_; | |
231 | int load_env_file(const char *fname, char ***l); | |
232 | int write_env_file(const char *fname, char **l); | |
233 | ||
234 | char *strappend(const char *s, const char *suffix); | |
235 | char *strnappend(const char *s, const char *suffix, size_t length); | |
236 | ||
237 | char *replace_env(const char *format, char **env); | |
238 | char **replace_env_argv(char **argv, char **env); | |
239 | ||
240 | int readlink_malloc(const char *p, char **r); | |
241 | int readlink_and_make_absolute(const char *p, char **r); | |
242 | int readlink_and_canonicalize(const char *p, char **r); | |
243 | ||
244 | int reset_all_signal_handlers(void); | |
245 | ||
246 | char *strstrip(char *s); | |
247 | char *delete_chars(char *s, const char *bad); | |
248 | char *truncate_nl(char *s); | |
249 | ||
250 | char *file_in_same_dir(const char *path, const char *filename); | |
251 | ||
252 | int rmdir_parents(const char *path, const char *stop); | |
253 | ||
254 | int get_process_comm(pid_t pid, char **name); | |
255 | int get_process_cmdline(pid_t pid, size_t max_length, bool comm_fallback, char **line); | |
256 | int get_process_exe(pid_t pid, char **name); | |
257 | int get_process_uid(pid_t pid, uid_t *uid); | |
258 | ||
259 | char hexchar(int x); | |
260 | int unhexchar(char c); | |
261 | char octchar(int x); | |
262 | int unoctchar(char c); | |
263 | char decchar(int x); | |
264 | int undecchar(char c); | |
265 | ||
266 | char *cescape(const char *s); | |
267 | char *cunescape(const char *s); | |
268 | char *cunescape_length(const char *s, size_t length); | |
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); | |
274 | ||
275 | char *ascii_strlower(char *path); | |
276 | ||
277 | bool dirent_is_file(const struct dirent *de); | |
278 | bool dirent_is_file_with_suffix(const struct dirent *de, const char *suffix); | |
279 | ||
280 | bool ignore_file(const char *filename); | |
281 | ||
282 | bool chars_intersect(const char *a, const char *b); | |
283 | ||
284 | char *format_timestamp(char *buf, size_t l, usec_t t); | |
285 | char *format_timestamp_pretty(char *buf, size_t l, usec_t t); | |
286 | char *format_timespan(char *buf, size_t l, usec_t t); | |
287 | ||
288 | int make_stdio(int fd); | |
289 | int make_null_stdio(void); | |
290 | ||
291 | unsigned long long random_ull(void); | |
292 | ||
293 | #define __DEFINE_STRING_TABLE_LOOKUP(name,type,scope) \ | |
294 | scope const char *name##_to_string(type i) { \ | |
295 | if (i < 0 || i >= (type) ELEMENTSOF(name##_table)) \ | |
296 | return NULL; \ | |
297 | return name##_table[i]; \ | |
298 | } \ | |
299 | scope type name##_from_string(const char *s) { \ | |
300 | type i; \ | |
301 | unsigned u = 0; \ | |
302 | assert(s); \ | |
303 | for (i = 0; i < (type)ELEMENTSOF(name##_table); i++) \ | |
304 | if (name##_table[i] && \ | |
305 | streq(name##_table[i], s)) \ | |
306 | return i; \ | |
307 | if (safe_atou(s, &u) >= 0 && \ | |
308 | u < ELEMENTSOF(name##_table)) \ | |
309 | return (type) u; \ | |
310 | return (type) -1; \ | |
311 | } \ | |
312 | struct __useless_struct_to_allow_trailing_semicolon__ | |
313 | ||
314 | #define DEFINE_STRING_TABLE_LOOKUP(name,type) __DEFINE_STRING_TABLE_LOOKUP(name,type,) | |
315 | #define DEFINE_PRIVATE_STRING_TABLE_LOOKUP(name,type) __DEFINE_STRING_TABLE_LOOKUP(name,type,static) | |
316 | ||
317 | int fd_nonblock(int fd, bool nonblock); | |
318 | int fd_cloexec(int fd, bool cloexec); | |
319 | ||
320 | int close_all_fds(const int except[], unsigned n_except); | |
321 | ||
322 | bool fstype_is_network(const char *fstype); | |
323 | ||
324 | int chvt(int vt); | |
325 | ||
326 | int read_one_char(FILE *f, char *ret, usec_t timeout, bool *need_nl); | |
327 | int ask(char *ret, const char *replies, const char *text, ...); | |
328 | ||
329 | int reset_terminal_fd(int fd, bool switch_to_text); | |
330 | int reset_terminal(const char *name); | |
331 | ||
332 | int open_terminal(const char *name, int mode); | |
333 | int acquire_terminal(const char *name, bool fail, bool force, bool ignore_tiocstty_eperm); | |
334 | int release_terminal(void); | |
335 | ||
336 | int flush_fd(int fd); | |
337 | ||
338 | int ignore_signals(int sig, ...); | |
339 | int default_signals(int sig, ...); | |
340 | int sigaction_many(const struct sigaction *sa, ...); | |
341 | ||
342 | int close_pipe(int p[]); | |
343 | int fopen_temporary(const char *path, FILE **_f, char **_temp_path); | |
344 | ||
345 | ssize_t loop_read(int fd, void *buf, size_t nbytes, bool do_poll); | |
346 | ssize_t loop_write(int fd, const void *buf, size_t nbytes, bool do_poll); | |
347 | ||
348 | bool is_device_path(const char *path); | |
349 | ||
350 | int dir_is_empty(const char *path); | |
351 | ||
352 | void rename_process(const char name[8]); | |
353 | ||
354 | void sigset_add_many(sigset_t *ss, ...); | |
355 | ||
356 | char* gethostname_malloc(void); | |
357 | bool hostname_is_set(void); | |
358 | char* getlogname_malloc(void); | |
359 | ||
360 | int getttyname_malloc(int fd, char **r); | |
361 | int getttyname_harder(int fd, char **r); | |
362 | ||
363 | int get_ctty_devnr(pid_t pid, dev_t *d); | |
364 | int get_ctty(pid_t, dev_t *_devnr, char **r); | |
365 | ||
366 | int chmod_and_chown(const char *path, mode_t mode, uid_t uid, gid_t gid); | |
367 | int fchmod_and_fchown(int fd, mode_t mode, uid_t uid, gid_t gid); | |
368 | ||
369 | int rm_rf_children(int fd, bool only_dirs, bool honour_sticky, struct stat *root_dev); | |
370 | int rm_rf(const char *path, bool only_dirs, bool delete_root, bool honour_sticky); | |
371 | ||
372 | int pipe_eof(int fd); | |
373 | ||
374 | cpu_set_t* cpu_set_malloc(unsigned *ncpus); | |
375 | ||
376 | void status_vprintf(const char *status, bool ellipse, const char *format, va_list ap); | |
377 | void status_printf(const char *status, bool ellipse, const char *format, ...); | |
378 | void status_welcome(void); | |
379 | ||
380 | int fd_columns(int fd); | |
381 | unsigned columns(void); | |
382 | ||
383 | int fd_lines(int fd); | |
384 | unsigned lines(void); | |
385 | ||
386 | int running_in_chroot(void); | |
387 | ||
388 | char *ellipsize(const char *s, size_t length, unsigned percent); | |
389 | char *ellipsize_mem(const char *s, size_t old_length, size_t new_length, unsigned percent); | |
390 | ||
391 | int touch(const char *path); | |
392 | ||
393 | char *unquote(const char *s, const char *quotes); | |
394 | char *normalize_env_assignment(const char *s); | |
395 | ||
396 | int wait_for_terminate(pid_t pid, siginfo_t *status); | |
397 | int wait_for_terminate_and_warn(const char *name, pid_t pid); | |
398 | ||
399 | _noreturn_ void freeze(void); | |
400 | ||
401 | bool null_or_empty(struct stat *st); | |
402 | int null_or_empty_path(const char *fn); | |
403 | ||
404 | DIR *xopendirat(int dirfd, const char *name, int flags); | |
405 | ||
406 | void dual_timestamp_serialize(FILE *f, const char *name, dual_timestamp *t); | |
407 | void dual_timestamp_deserialize(const char *value, dual_timestamp *t); | |
408 | ||
409 | char *fstab_node_to_udev_node(const char *p); | |
410 | ||
411 | bool tty_is_vc(const char *tty); | |
412 | bool tty_is_vc_resolve(const char *tty); | |
413 | bool tty_is_console(const char *tty); | |
414 | int vtnr_from_tty(const char *tty); | |
415 | const char *default_term_for_tty(const char *tty); | |
416 | ||
417 | void execute_directory(const char *directory, DIR *_d, char *argv[]); | |
418 | ||
419 | int kill_and_sigcont(pid_t pid, int sig); | |
420 | ||
421 | bool nulstr_contains(const char*nulstr, const char *needle); | |
422 | ||
423 | bool plymouth_running(void); | |
424 | ||
425 | void parse_syslog_priority(char **p, int *priority); | |
426 | void skip_syslog_pid(char **buf); | |
427 | void skip_syslog_date(char **buf); | |
428 | ||
429 | bool hostname_is_valid(const char *s); | |
430 | char* hostname_cleanup(char *s); | |
431 | ||
432 | char* strshorten(char *s, size_t l); | |
433 | ||
434 | int terminal_vhangup_fd(int fd); | |
435 | int terminal_vhangup(const char *name); | |
436 | ||
437 | int vt_disallocate(const char *name); | |
438 | ||
439 | int copy_file(const char *from, const char *to); | |
440 | int symlink_or_copy(const char *from, const char *to); | |
441 | int symlink_or_copy_atomic(const char *from, const char *to); | |
442 | ||
443 | int fchmod_umask(int fd, mode_t mode); | |
444 | ||
445 | bool display_is_local(const char *display); | |
446 | int socket_from_display(const char *display, char **path); | |
447 | ||
448 | int get_user_creds(const char **username, uid_t *uid, gid_t *gid, const char **home); | |
449 | int get_group_creds(const char **groupname, gid_t *gid); | |
450 | ||
451 | int in_group(const char *name); | |
452 | ||
453 | int glob_exists(const char *path); | |
454 | ||
455 | int dirent_ensure_type(DIR *d, struct dirent *de); | |
456 | ||
457 | int in_search_path(const char *path, char **search); | |
458 | int get_files_in_directory(const char *path, char ***list); | |
459 | ||
460 | char *join(const char *x, ...) _sentinel_; | |
461 | ||
462 | bool is_main_thread(void); | |
463 | ||
464 | bool in_charset(const char *s, const char* charset); | |
465 | ||
466 | int block_get_whole_disk(dev_t d, dev_t *ret); | |
467 | ||
468 | int file_is_priv_sticky(const char *p); | |
469 | ||
470 | int strdup_or_null(const char *a, char **b); | |
471 | ||
472 | #define NULSTR_FOREACH(i, l) \ | |
473 | for ((i) = (l); (i) && *(i); (i) = strchr((i), 0)+1) | |
474 | ||
475 | #define NULSTR_FOREACH_PAIR(i, j, l) \ | |
476 | for ((i) = (l), (j) = strchr((i), 0)+1; (i) && *(i); (i) = strchr((j), 0)+1, (j) = *(i) ? strchr((i), 0)+1 : (i)) | |
477 | ||
478 | const char *ioprio_class_to_string(int i); | |
479 | int ioprio_class_from_string(const char *s); | |
480 | ||
481 | const char *sigchld_code_to_string(int i); | |
482 | int sigchld_code_from_string(const char *s); | |
483 | ||
484 | const char *log_facility_unshifted_to_string(int i); | |
485 | int log_facility_unshifted_from_string(const char *s); | |
486 | ||
487 | const char *log_level_to_string(int i); | |
488 | int log_level_from_string(const char *s); | |
489 | ||
490 | const char *sched_policy_to_string(int i); | |
491 | int sched_policy_from_string(const char *s); | |
492 | ||
493 | const char *rlimit_to_string(int i); | |
494 | int rlimit_from_string(const char *s); | |
495 | ||
496 | const char *ip_tos_to_string(int i); | |
497 | int ip_tos_from_string(const char *s); | |
498 | ||
499 | const char *signal_to_string(int i); | |
500 | int signal_from_string(const char *s); | |
501 | ||
502 | int signal_from_string_try_harder(const char *s); | |
503 | ||
504 | extern int saved_argc; | |
505 | extern char **saved_argv; | |
506 | ||
507 | bool kexec_loaded(void); | |
508 | ||
509 | int prot_from_flags(int flags); | |
510 | ||
511 | char *format_bytes(char *buf, size_t l, off_t t); | |
512 | ||
513 | int fd_wait_for_event(int fd, int event, usec_t timeout); | |
514 | ||
515 | void* memdup(const void *p, size_t l); | |
516 | ||
517 | int is_kernel_thread(pid_t pid); | |
518 | ||
3ed08d1e HH |
519 | static inline void freep(void *p) { |
520 | free(*(void**) p); | |
521 | } | |
522 | ||
523 | static inline void fclosep(FILE **f) { | |
524 | if (*f) | |
525 | fclose(*f); | |
526 | } | |
527 | ||
528 | static inline void pclosep(FILE **f) { | |
529 | if (*f) | |
530 | pclose(*f); | |
531 | } | |
532 | ||
533 | static inline void closep(int *fd) { | |
534 | if (*fd >= 0) | |
535 | close_nointr_nofail(*fd); | |
536 | } | |
537 | ||
538 | static inline void closedirp(DIR **d) { | |
539 | if (*d) | |
540 | closedir(*d); | |
541 | } | |
542 | ||
543 | static inline void umaskp(mode_t *u) { | |
544 | umask(*u); | |
545 | } | |
546 | ||
547 | #define _cleanup_free_ _cleanup_(freep) | |
548 | #define _cleanup_fclose_ _cleanup_(fclosep) | |
549 | #define _cleanup_pclose_ _cleanup_(pclosep) | |
550 | #define _cleanup_close_ _cleanup_(closep) | |
551 | #define _cleanup_closedir_ _cleanup_(closedirp) | |
552 | #define _cleanup_umask_ _cleanup_(umaskp) | |
553 | #define _cleanup_globfree_ _cleanup_(globfree) | |
554 | ||
026b81e9 HH |
555 | int fd_inc_sndbuf(int fd, size_t n); |
556 | int fd_inc_rcvbuf(int fd, size_t n); | |
557 | ||
558 | int fork_agent(pid_t *pid, const int except[], unsigned n_except, const char *path, ...); | |
559 | ||
560 | int setrlimit_closest(int resource, const struct rlimit *rlim); | |
561 | ||
562 | int getenv_for_pid(pid_t pid, const char *field, char **_value); | |
563 | ||
564 | int can_sleep(const char *type); | |
565 | ||
566 | bool is_valid_documentation_url(const char *url); | |
567 | ||
568 | bool in_initrd(void); | |
569 | ||
570 | void warn_melody(void); | |
571 | ||
791532b0 HH |
572 | char *strjoin(const char *x, ...) _sentinel_; |
573 | ||
2f461da2 HH |
574 | #define DEFINE_TRIVIAL_CLEANUP_FUNC(type, func) \ |
575 | static inline void func##p(type *p) { \ | |
576 | if (*p) \ | |
577 | func(*p); \ | |
578 | } \ | |
579 | struct __useless_struct_to_allow_trailing_semicolon__ | |
580 | ||
581 | char *split_quoted(const char *c, size_t *l, char **state); | |
582 | char *cunescape_length(const char *s, size_t length); | |
583 | int unhexchar(char c) _const_; | |
584 | int unoctchar(char c) _const_; | |
585 | ||
026b81e9 | 586 | #endif |