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git.ipfire.org Git - thirdparty/systemd.git/blob - src/basic/parse-util.h
1 /* SPDX-License-Identifier: LGPL-2.1+ */
5 This file is part of systemd.
7 Copyright 2010 Lennart Poettering
14 #include <sys/types.h>
18 #define MODE_INVALID ((mode_t) -1)
20 int parse_boolean(const char *v
) _pure_
;
21 int parse_dev(const char *s
, dev_t
*ret
);
22 int parse_pid(const char *s
, pid_t
* ret_pid
);
23 int parse_mode(const char *s
, mode_t
*ret
);
24 int parse_ifindex(const char *s
, int *ret
);
25 int parse_mtu(int family
, const char *s
, uint32_t *ret
);
27 int parse_size(const char *t
, uint64_t base
, uint64_t *size
);
28 int parse_range(const char *t
, unsigned *lower
, unsigned *upper
);
29 int parse_errno(const char *t
);
30 int parse_syscall_and_errno(const char *in
, char **name
, int *error
);
32 #define FORMAT_BYTES_MAX 8
33 char *format_bytes(char *buf
, size_t l
, uint64_t t
);
35 int safe_atou_full(const char *s
, unsigned base
, unsigned *ret_u
);
37 static inline int safe_atou(const char *s
, unsigned *ret_u
) {
38 return safe_atou_full(s
, 0, ret_u
);
41 int safe_atoi(const char *s
, int *ret_i
);
42 int safe_atollu(const char *s
, unsigned long long *ret_u
);
43 int safe_atolli(const char *s
, long long int *ret_i
);
45 int safe_atou8(const char *s
, uint8_t *ret
);
47 int safe_atou16_full(const char *s
, unsigned base
, uint16_t *ret
);
49 static inline int safe_atou16(const char *s
, uint16_t *ret
) {
50 return safe_atou16_full(s
, 0, ret
);
53 static inline int safe_atoux16(const char *s
, uint16_t *ret
) {
54 return safe_atou16_full(s
, 16, ret
);
57 int safe_atoi16(const char *s
, int16_t *ret
);
59 static inline int safe_atou32(const char *s
, uint32_t *ret_u
) {
60 assert_cc(sizeof(uint32_t) == sizeof(unsigned));
61 return safe_atou(s
, (unsigned*) ret_u
);
64 static inline int safe_atoi32(const char *s
, int32_t *ret_i
) {
65 assert_cc(sizeof(int32_t) == sizeof(int));
66 return safe_atoi(s
, (int*) ret_i
);
69 static inline int safe_atou64(const char *s
, uint64_t *ret_u
) {
70 assert_cc(sizeof(uint64_t) == sizeof(unsigned long long));
71 return safe_atollu(s
, (unsigned long long*) ret_u
);
74 static inline int safe_atoi64(const char *s
, int64_t *ret_i
) {
75 assert_cc(sizeof(int64_t) == sizeof(long long int));
76 return safe_atolli(s
, (long long int*) ret_i
);
79 #if LONG_MAX == INT_MAX
80 static inline int safe_atolu(const char *s
, unsigned long *ret_u
) {
81 assert_cc(sizeof(unsigned long) == sizeof(unsigned));
82 return safe_atou(s
, (unsigned*) ret_u
);
84 static inline int safe_atoli(const char *s
, long int *ret_u
) {
85 assert_cc(sizeof(long int) == sizeof(int));
86 return safe_atoi(s
, (int*) ret_u
);
89 static inline int safe_atolu(const char *s
, unsigned long *ret_u
) {
90 assert_cc(sizeof(unsigned long) == sizeof(unsigned long long));
91 return safe_atollu(s
, (unsigned long long*) ret_u
);
93 static inline int safe_atoli(const char *s
, long int *ret_u
) {
94 assert_cc(sizeof(long int) == sizeof(long long int));
95 return safe_atolli(s
, (long long int*) ret_u
);
99 #if SIZE_MAX == UINT_MAX
100 static inline int safe_atozu(const char *s
, size_t *ret_u
) {
101 assert_cc(sizeof(size_t) == sizeof(unsigned));
102 return safe_atou(s
, (unsigned *) ret_u
);
105 static inline int safe_atozu(const char *s
, size_t *ret_u
) {
106 assert_cc(sizeof(size_t) == sizeof(long unsigned));
107 return safe_atolu(s
, ret_u
);
111 int safe_atod(const char *s
, double *ret_d
);
113 int parse_fractional_part_u(const char **s
, size_t digits
, unsigned *res
);
115 int parse_percent_unbounded(const char *p
);
116 int parse_percent(const char *p
);
118 int parse_nice(const char *p
, int *ret
);
120 int parse_ip_port(const char *s
, uint16_t *ret
);