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110 lines
3.5 KiB
C
110 lines
3.5 KiB
C
#pragma once
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/***
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This file is part of systemd.
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Copyright 2010 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <inttypes.h>
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#include <limits.h>
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#include <stddef.h>
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#include <stdint.h>
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#include <sys/types.h>
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#include "macro.h"
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#define MODE_INVALID ((mode_t) -1)
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int parse_boolean(const char *v) _pure_;
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int parse_pid(const char *s, pid_t* ret_pid);
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int parse_mode(const char *s, mode_t *ret);
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int parse_ifindex(const char *s, int *ret);
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int parse_size(const char *t, uint64_t base, uint64_t *size);
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int parse_range(const char *t, unsigned *lower, unsigned *upper);
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#define FORMAT_BYTES_MAX 8
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char *format_bytes(char *buf, size_t l, uint64_t t);
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int safe_atou(const char *s, unsigned *ret_u);
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int safe_atoi(const char *s, int *ret_i);
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int safe_atollu(const char *s, unsigned long long *ret_u);
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int safe_atolli(const char *s, long long int *ret_i);
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int safe_atou8(const char *s, uint8_t *ret);
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int safe_atou16(const char *s, uint16_t *ret);
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int safe_atoi16(const char *s, int16_t *ret);
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static inline int safe_atou32(const char *s, uint32_t *ret_u) {
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assert_cc(sizeof(uint32_t) == sizeof(unsigned));
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return safe_atou(s, (unsigned*) ret_u);
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}
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static inline int safe_atoi32(const char *s, int32_t *ret_i) {
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assert_cc(sizeof(int32_t) == sizeof(int));
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return safe_atoi(s, (int*) ret_i);
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}
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static inline int safe_atou64(const char *s, uint64_t *ret_u) {
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assert_cc(sizeof(uint64_t) == sizeof(unsigned long long));
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return safe_atollu(s, (unsigned long long*) ret_u);
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}
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static inline int safe_atoi64(const char *s, int64_t *ret_i) {
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assert_cc(sizeof(int64_t) == sizeof(long long int));
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return safe_atolli(s, (long long int*) ret_i);
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}
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#if LONG_MAX == INT_MAX
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static inline int safe_atolu(const char *s, unsigned long *ret_u) {
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assert_cc(sizeof(unsigned long) == sizeof(unsigned));
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return safe_atou(s, (unsigned*) ret_u);
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}
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static inline int safe_atoli(const char *s, long int *ret_u) {
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assert_cc(sizeof(long int) == sizeof(int));
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return safe_atoi(s, (int*) ret_u);
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}
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#else
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static inline int safe_atolu(const char *s, unsigned long *ret_u) {
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assert_cc(sizeof(unsigned long) == sizeof(unsigned long long));
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return safe_atollu(s, (unsigned long long*) ret_u);
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}
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static inline int safe_atoli(const char *s, long int *ret_u) {
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assert_cc(sizeof(long int) == sizeof(long long int));
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return safe_atolli(s, (long long int*) ret_u);
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}
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#endif
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#if SIZE_MAX == UINT_MAX
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static inline int safe_atozu(const char *s, size_t *ret_u) {
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assert_cc(sizeof(size_t) == sizeof(unsigned));
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return safe_atou(s, (unsigned *) ret_u);
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}
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#else
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static inline int safe_atozu(const char *s, size_t *ret_u) {
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assert_cc(sizeof(size_t) == sizeof(long unsigned));
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return safe_atolu(s, ret_u);
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}
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#endif
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int safe_atod(const char *s, double *ret_d);
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int parse_fractional_part_u(const char **s, size_t digits, unsigned *res);
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int parse_percent(const char *p);
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