diff options
author | Luke Shumaker <lukeshu@sbcglobal.net> | 2016-06-02 13:16:04 -0400 |
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committer | Luke Shumaker <lukeshu@sbcglobal.net> | 2016-06-02 13:16:04 -0400 |
commit | fccd290a8373438c26ed4e4f8130db18eb9b3dfe (patch) | |
tree | 2f032e1b125aa88e456644de865e9f42fffa4150 /src/libbasic/parse-util.h | |
parent | 6169d05b4a456e26a0197242464e3e2bca12a29d (diff) |
./move.sh
Diffstat (limited to 'src/libbasic/parse-util.h')
-rw-r--r-- | src/libbasic/parse-util.h | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/src/libbasic/parse-util.h b/src/libbasic/parse-util.h new file mode 100644 index 0000000000..d8dc26a36e --- /dev/null +++ b/src/libbasic/parse-util.h @@ -0,0 +1,95 @@ +#pragma once + +/*** + This file is part of systemd. + + Copyright 2010 Lennart Poettering + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +***/ + +#include <inttypes.h> +#include <limits.h> +#include <stddef.h> +#include <stdint.h> +#include <sys/types.h> + +#include "macro.h" + +#define MODE_INVALID ((mode_t) -1) + +int parse_boolean(const char *v) _pure_; +int parse_pid(const char *s, pid_t* ret_pid); +int parse_mode(const char *s, mode_t *ret); +int parse_ifindex(const char *s, int *ret); + +int parse_size(const char *t, uint64_t base, uint64_t *size); +int parse_range(const char *t, unsigned *lower, unsigned *upper); + +#define FORMAT_BYTES_MAX 8 +char *format_bytes(char *buf, size_t l, uint64_t t); + +int safe_atou(const char *s, unsigned *ret_u); +int safe_atoi(const char *s, int *ret_i); +int safe_atollu(const char *s, unsigned long long *ret_u); +int safe_atolli(const char *s, long long int *ret_i); + +int safe_atou8(const char *s, uint8_t *ret); + +int safe_atou16(const char *s, uint16_t *ret); +int safe_atoi16(const char *s, int16_t *ret); + +static inline int safe_atou32(const char *s, uint32_t *ret_u) { + assert_cc(sizeof(uint32_t) == sizeof(unsigned)); + return safe_atou(s, (unsigned*) ret_u); +} + +static inline int safe_atoi32(const char *s, int32_t *ret_i) { + assert_cc(sizeof(int32_t) == sizeof(int)); + return safe_atoi(s, (int*) ret_i); +} + +static inline int safe_atou64(const char *s, uint64_t *ret_u) { + assert_cc(sizeof(uint64_t) == sizeof(unsigned long long)); + return safe_atollu(s, (unsigned long long*) ret_u); +} + +static inline int safe_atoi64(const char *s, int64_t *ret_i) { + assert_cc(sizeof(int64_t) == sizeof(long long int)); + return safe_atolli(s, (long long int*) ret_i); +} + +#if LONG_MAX == INT_MAX +static inline int safe_atolu(const char *s, unsigned long *ret_u) { + assert_cc(sizeof(unsigned long) == sizeof(unsigned)); + return safe_atou(s, (unsigned*) ret_u); +} +static inline int safe_atoli(const char *s, long int *ret_u) { + assert_cc(sizeof(long int) == sizeof(int)); + return safe_atoi(s, (int*) ret_u); +} +#else +static inline int safe_atolu(const char *s, unsigned long *ret_u) { + assert_cc(sizeof(unsigned long) == sizeof(unsigned long long)); + return safe_atollu(s, (unsigned long long*) ret_u); +} +static inline int safe_atoli(const char *s, long int *ret_u) { + assert_cc(sizeof(long int) == sizeof(long long int)); + return safe_atolli(s, (long long int*) ret_u); +} +#endif + +int safe_atod(const char *s, double *ret_d); + +int parse_fractional_part_u(const char **s, size_t digits, unsigned *res); |