1 /*-*- Mode: C; c-basic-offset: 8 -*-*/
7 This file is part of systemd.
9 Copyright 2010 Lennart Poettering
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.
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.
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/>.
31 typedef uint64_t usec_t;
33 #define MSEC_PER_SEC 1000ULL
34 #define USEC_PER_SEC 1000000ULL
35 #define USEC_PER_MSEC 1000ULL
36 #define NSEC_PER_SEC 1000000000ULL
37 #define NSEC_PER_MSEC 1000000ULL
38 #define NSEC_PER_USEC 1000ULL
40 /* What is interpreted as whitespace? */
41 #define WHITESPACE " \t\n\r"
43 usec_t now(clockid_t clock);
45 usec_t timespec_load(const struct timespec *ts);
46 struct timespec *timespec_store(struct timespec *ts, usec_t u);
48 usec_t timeval_load(const struct timeval *tv);
49 struct timeval *timeval_store(struct timeval *tv, usec_t u);
51 #define streq(a,b) (strcmp((a),(b)) == 0)
53 #define new(t, n) ((t*) malloc(sizeof(t)*(n)))
55 #define new0(t, n) ((t*) calloc((n), sizeof(t)))
57 #define malloc0(n) (calloc((n), 1))
59 static inline const char* yes_no(bool b) {
60 return b ? "yes" : "no";
63 static inline const char* strempty(const char *s) {
67 static inline const char* strnull(const char *s) {
68 return s ? s : "(null)";
71 static inline const char *strna(const char *s) {
75 static inline bool is_path_absolute(const char *p) {
79 bool endswith(const char *s, const char *postfix);
80 bool startswith(const char *s, const char *prefix);
82 bool first_word(const char *s, const char *word);
84 int close_nointr(int fd);
85 void close_nointr_nofail(int fd);
87 int parse_boolean(const char *v);
89 int safe_atou(const char *s, unsigned *ret_u);
90 int safe_atoi(const char *s, int *ret_i);
92 int safe_atolu(const char *s, unsigned long *ret_u);
93 int safe_atoli(const char *s, long int *ret_i);
95 int safe_atollu(const char *s, unsigned long long *ret_u);
96 int safe_atolli(const char *s, long long int *ret_i);
98 char *split_spaces(const char *c, size_t *l, char **state);
99 char *split_quoted(const char *c, size_t *l, char **state);
101 #define FOREACH_WORD(word, length, s, state) \
102 for ((state) = NULL, (word) = split_spaces((s), &(l), &(state)); (word); (word) = split_spaces((s), &(l), &(state)))
104 #define FOREACH_WORD_QUOTED(word, length, s, state) \
105 for ((state) = NULL, (word) = split_quoted((s), &(l), &(state)); (word); (word) = split_quoted((s), &(l), &(state)))
107 pid_t get_parent_of_pid(pid_t pid, pid_t *ppid);
109 int write_one_line_file(const char *fn, const char *line);
110 int read_one_line_file(const char *fn, char **line);
112 char *strappend(const char *s, const char *suffix);
114 int readlink_malloc(const char *p, char **r);
116 char *file_name_from_path(const char *p);
117 bool is_path(const char *p);
119 bool path_is_absolute(const char *p);
120 char *path_make_absolute(const char *p, const char *prefix);
122 int reset_all_signal_handlers(void);
124 char *strstrip(char *s);
125 char *file_in_same_dir(const char *path, const char *filename);
128 int unhexchar(char c);
130 int unoctchar(char c);
132 char *cescape(const char *s);
133 char *cunescape(const char *s);
135 char *path_kill_slashes(char *path);
137 bool path_startswith(const char *path, const char *prefix);
139 char *ascii_strlower(char *path);
141 char *xescape(const char *s, const char *bad);
143 char *bus_path_escape(const char *s);
144 char *bus_path_unescape(const char *s);
146 #define DEFINE_STRING_TABLE_LOOKUP(name,type) \
147 const char *name##_to_string(type i) { \
148 if (i < 0 || i >= (type) ELEMENTSOF(name##_table)) \
150 return name##_table[i]; \
152 type name##_from_string(const char *s) { \
155 for (i = 0; i < (type)ELEMENTSOF(name##_table); i++) \
156 if (streq(name##_table[i], s)) \
160 struct __useless_struct_to_allow_trailing_semicolon__
163 const char *ioprio_class_to_string(int i);
164 int ioprio_class_from_string(const char *s);
166 const char *sigchld_code_to_string(int i);
167 int sigchld_code_from_string(const char *s);
169 const char *log_facility_to_string(int i);
170 int log_facility_from_string(const char *s);
172 const char *log_level_to_string(int i);
173 int log_level_from_string(const char *s);
175 const char *sched_policy_to_string(int i);
176 int sched_policy_from_string(const char *s);
178 const char *rlimit_to_string(int i);
179 int rlimit_from_string(const char *s);