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);
26 int parse_size(const char *t, uint64_t base, uint64_t *size);
27 #if 0 /// UNNEEDED by elogind
28 int parse_range(const char *t, unsigned *lower, unsigned *upper);
30 int parse_errno(const char *t);
31 int parse_syscall_and_errno(const char *in, char **name, int *error);
33 #define FORMAT_BYTES_MAX 8
34 char *format_bytes(char *buf, size_t l, uint64_t t);
36 int safe_atou_full(const char *s, unsigned base, unsigned *ret_u);
38 static inline int safe_atou(const char *s, unsigned *ret_u) {
39 return safe_atou_full(s, 0, ret_u);
42 int safe_atoi(const char *s, int *ret_i);
43 int safe_atollu(const char *s, unsigned long long *ret_u);
44 int safe_atolli(const char *s, long long int *ret_i);
46 int safe_atou8(const char *s, uint8_t *ret);
48 int safe_atou16_full(const char *s, unsigned base, uint16_t *ret);
50 static inline int safe_atou16(const char *s, uint16_t *ret) {
51 return safe_atou16_full(s, 0, ret);
54 static inline int safe_atoux16(const char *s, uint16_t *ret) {
55 return safe_atou16_full(s, 16, ret);
58 int safe_atoi16(const char *s, int16_t *ret);
60 static inline int safe_atou32(const char *s, uint32_t *ret_u) {
61 assert_cc(sizeof(uint32_t) == sizeof(unsigned));
62 return safe_atou(s, (unsigned*) ret_u);
65 static inline int safe_atoi32(const char *s, int32_t *ret_i) {
66 assert_cc(sizeof(int32_t) == sizeof(int));
67 return safe_atoi(s, (int*) ret_i);
70 static inline int safe_atou64(const char *s, uint64_t *ret_u) {
71 assert_cc(sizeof(uint64_t) == sizeof(unsigned long long));
72 return safe_atollu(s, (unsigned long long*) ret_u);
75 static inline int safe_atoi64(const char *s, int64_t *ret_i) {
76 assert_cc(sizeof(int64_t) == sizeof(long long int));
77 return safe_atolli(s, (long long int*) ret_i);
80 #if LONG_MAX == INT_MAX
81 static inline int safe_atolu(const char *s, unsigned long *ret_u) {
82 assert_cc(sizeof(unsigned long) == sizeof(unsigned));
83 return safe_atou(s, (unsigned*) ret_u);
85 static inline int safe_atoli(const char *s, long int *ret_u) {
86 assert_cc(sizeof(long int) == sizeof(int));
87 return safe_atoi(s, (int*) ret_u);
90 static inline int safe_atolu(const char *s, unsigned long *ret_u) {
91 assert_cc(sizeof(unsigned long) == sizeof(unsigned long long));
92 return safe_atollu(s, (unsigned long long*) ret_u);
94 static inline int safe_atoli(const char *s, long int *ret_u) {
95 assert_cc(sizeof(long int) == sizeof(long long int));
96 return safe_atolli(s, (long long int*) ret_u);
100 #if SIZE_MAX == UINT_MAX
101 static inline int safe_atozu(const char *s, size_t *ret_u) {
102 assert_cc(sizeof(size_t) == sizeof(unsigned));
103 return safe_atou(s, (unsigned *) ret_u);
106 static inline int safe_atozu(const char *s, size_t *ret_u) {
107 assert_cc(sizeof(size_t) == sizeof(long unsigned));
108 return safe_atolu(s, ret_u);
112 int safe_atod(const char *s, double *ret_d);
114 int parse_fractional_part_u(const char **s, size_t digits, unsigned *res);
116 int parse_percent_unbounded(const char *p);
117 int parse_percent(const char *p);
119 #if 0 /// UNNEEDED by elogind
120 int parse_nice(const char *p, int *ret);
122 int parse_ip_port(const char *s, uint16_t *ret);