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 #if 0 /// UNNEEDED by elogind
29 int parse_range(const char *t, unsigned *lower, unsigned *upper);
31 int parse_errno(const char *t);
32 int parse_syscall_and_errno(const char *in, char **name, int *error);
34 #define FORMAT_BYTES_MAX 8
35 char *format_bytes(char *buf, size_t l, uint64_t t);
37 int safe_atou_full(const char *s, unsigned base, unsigned *ret_u);
39 static inline int safe_atou(const char *s, unsigned *ret_u) {
40 return safe_atou_full(s, 0, ret_u);
43 int safe_atoi(const char *s, int *ret_i);
44 int safe_atollu(const char *s, unsigned long long *ret_u);
45 int safe_atolli(const char *s, long long int *ret_i);
47 int safe_atou8(const char *s, uint8_t *ret);
49 int safe_atou16_full(const char *s, unsigned base, uint16_t *ret);
51 static inline int safe_atou16(const char *s, uint16_t *ret) {
52 return safe_atou16_full(s, 0, ret);
55 static inline int safe_atoux16(const char *s, uint16_t *ret) {
56 return safe_atou16_full(s, 16, ret);
59 int safe_atoi16(const char *s, int16_t *ret);
61 static inline int safe_atou32(const char *s, uint32_t *ret_u) {
62 assert_cc(sizeof(uint32_t) == sizeof(unsigned));
63 return safe_atou(s, (unsigned*) ret_u);
66 static inline int safe_atoi32(const char *s, int32_t *ret_i) {
67 assert_cc(sizeof(int32_t) == sizeof(int));
68 return safe_atoi(s, (int*) ret_i);
71 static inline int safe_atou64(const char *s, uint64_t *ret_u) {
72 assert_cc(sizeof(uint64_t) == sizeof(unsigned long long));
73 return safe_atollu(s, (unsigned long long*) ret_u);
76 static inline int safe_atoi64(const char *s, int64_t *ret_i) {
77 assert_cc(sizeof(int64_t) == sizeof(long long int));
78 return safe_atolli(s, (long long int*) ret_i);
81 #if LONG_MAX == INT_MAX
82 static inline int safe_atolu(const char *s, unsigned long *ret_u) {
83 assert_cc(sizeof(unsigned long) == sizeof(unsigned));
84 return safe_atou(s, (unsigned*) ret_u);
86 static inline int safe_atoli(const char *s, long int *ret_u) {
87 assert_cc(sizeof(long int) == sizeof(int));
88 return safe_atoi(s, (int*) ret_u);
91 static inline int safe_atolu(const char *s, unsigned long *ret_u) {
92 assert_cc(sizeof(unsigned long) == sizeof(unsigned long long));
93 return safe_atollu(s, (unsigned long long*) ret_u);
95 static inline int safe_atoli(const char *s, long int *ret_u) {
96 assert_cc(sizeof(long int) == sizeof(long long int));
97 return safe_atolli(s, (long long int*) ret_u);
101 #if SIZE_MAX == UINT_MAX
102 static inline int safe_atozu(const char *s, size_t *ret_u) {
103 assert_cc(sizeof(size_t) == sizeof(unsigned));
104 return safe_atou(s, (unsigned *) ret_u);
107 static inline int safe_atozu(const char *s, size_t *ret_u) {
108 assert_cc(sizeof(size_t) == sizeof(long unsigned));
109 return safe_atolu(s, ret_u);
113 int safe_atod(const char *s, double *ret_d);
115 int parse_fractional_part_u(const char **s, size_t digits, unsigned *res);
117 int parse_percent_unbounded(const char *p);
118 int parse_percent(const char *p);
120 int parse_permille_unbounded(const char *p);
121 int parse_permille(const char *p);
123 #if 0 /// UNNEEDED by elogind
124 int parse_nice(const char *p, int *ret);
126 int parse_ip_port(const char *s, uint16_t *ret);
129 int parse_oom_score_adjust(const char *s, int *ret);