Sylvain Munaut | 12ba778 | 2014-06-16 10:13:40 +0200 | [diff] [blame] | 1 | #pragma once |
Harald Welte | ec8b450 | 2010-02-20 20:34:29 +0100 | [diff] [blame] | 2 | |
Harald Welte | b8add36 | 2013-07-06 23:49:41 +0200 | [diff] [blame] | 3 | #include <osmocom/core/backtrace.h> |
| 4 | |
Harald Welte | 8598f18 | 2011-08-17 14:19:27 +0200 | [diff] [blame] | 5 | /*! \defgroup utils General-purpose utility functions |
| 6 | * @{ |
Harald Welte | bd598e3 | 2011-08-16 23:26:52 +0200 | [diff] [blame] | 7 | */ |
| 8 | |
Harald Welte | 8598f18 | 2011-08-17 14:19:27 +0200 | [diff] [blame] | 9 | /*! \file utils.h */ |
| 10 | |
Harald Welte | bd598e3 | 2011-08-16 23:26:52 +0200 | [diff] [blame] | 11 | /*! \brief Determine number of elements in an array of static size */ |
Harald Welte | ec8b450 | 2010-02-20 20:34:29 +0100 | [diff] [blame] | 12 | #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) |
Harald Welte | bd598e3 | 2011-08-16 23:26:52 +0200 | [diff] [blame] | 13 | /*! \brief Return the maximum of two specified values */ |
Holger Hans Peter Freyther | 08b2862 | 2012-08-15 17:02:59 +0200 | [diff] [blame] | 14 | #define OSMO_MAX(a, b) ((a) >= (b) ? (a) : (b)) |
Harald Welte | bd598e3 | 2011-08-16 23:26:52 +0200 | [diff] [blame] | 15 | /*! \brief Return the minimum of two specified values */ |
Holger Hans Peter Freyther | 08b2862 | 2012-08-15 17:02:59 +0200 | [diff] [blame] | 16 | #define OSMO_MIN(a, b) ((a) >= (b) ? (b) : (a)) |
Harald Welte | ec8b450 | 2010-02-20 20:34:29 +0100 | [diff] [blame] | 17 | |
Harald Welte | d284cd9 | 2010-03-01 21:58:31 +0100 | [diff] [blame] | 18 | #include <stdint.h> |
| 19 | |
Harald Welte | bd598e3 | 2011-08-16 23:26:52 +0200 | [diff] [blame] | 20 | /*! \brief A mapping between human-readable string and numeric value */ |
Harald Welte | d284cd9 | 2010-03-01 21:58:31 +0100 | [diff] [blame] | 21 | struct value_string { |
Harald Welte | bd598e3 | 2011-08-16 23:26:52 +0200 | [diff] [blame] | 22 | unsigned int value; /*!< \brief numeric value */ |
| 23 | const char *str; /*!< \brief human-readable string */ |
Harald Welte | d284cd9 | 2010-03-01 21:58:31 +0100 | [diff] [blame] | 24 | }; |
| 25 | |
| 26 | const char *get_value_string(const struct value_string *vs, uint32_t val); |
Harald Welte | bd598e3 | 2011-08-16 23:26:52 +0200 | [diff] [blame] | 27 | |
Harald Welte | d284cd9 | 2010-03-01 21:58:31 +0100 | [diff] [blame] | 28 | int get_string_value(const struct value_string *vs, const char *str); |
| 29 | |
Pablo Neira Ayuso | 87f7b25 | 2011-05-07 12:43:08 +0200 | [diff] [blame] | 30 | char osmo_bcd2char(uint8_t bcd); |
Harald Welte | a73e2f9 | 2010-03-04 10:50:32 +0100 | [diff] [blame] | 31 | /* only works for numbers in ascci */ |
Pablo Neira Ayuso | 87f7b25 | 2011-05-07 12:43:08 +0200 | [diff] [blame] | 32 | uint8_t osmo_char2bcd(char c); |
Harald Welte | d284cd9 | 2010-03-01 21:58:31 +0100 | [diff] [blame] | 33 | |
Pablo Neira Ayuso | 87f7b25 | 2011-05-07 12:43:08 +0200 | [diff] [blame] | 34 | int osmo_hexparse(const char *str, uint8_t *b, int max_len); |
Harald Welte | bd598e3 | 2011-08-16 23:26:52 +0200 | [diff] [blame] | 35 | |
Pablo Neira Ayuso | 87f7b25 | 2011-05-07 12:43:08 +0200 | [diff] [blame] | 36 | char *osmo_ubit_dump(const uint8_t *bits, unsigned int len); |
Harald Welte | 8598f18 | 2011-08-17 14:19:27 +0200 | [diff] [blame] | 37 | char *osmo_hexdump(const unsigned char *buf, int len); |
Sylvain Munaut | ff23d24 | 2011-11-10 23:03:18 +0100 | [diff] [blame] | 38 | char *osmo_hexdump_nospc(const unsigned char *buf, int len); |
Sylvain Munaut | 4cfbae8 | 2011-11-13 23:04:00 +0100 | [diff] [blame] | 39 | char *osmo_osmo_hexdump_nospc(const unsigned char *buf, int len) __attribute__((__deprecated__)); |
Harald Welte | 3eba991 | 2010-07-30 10:37:29 +0200 | [diff] [blame] | 40 | |
Holger Hans Peter Freyther | b3b955b | 2013-07-01 09:30:52 +0200 | [diff] [blame] | 41 | #define osmo_static_assert(exp, name) int dummy##name [(exp) ? 1 : -1] __attribute__((__unused__)); |
Holger Hans Peter Freyther | 52c07ca | 2011-01-16 17:37:27 +0100 | [diff] [blame] | 42 | |
Harald Welte | 2822296 | 2011-02-18 20:37:04 +0100 | [diff] [blame] | 43 | void osmo_str2lower(char *out, const char *in); |
| 44 | void osmo_str2upper(char *out, const char *in); |
| 45 | |
Pablo Neira Ayuso | 3abad6a | 2011-03-28 19:24:22 +0200 | [diff] [blame] | 46 | #define OSMO_SNPRINTF_RET(ret, rem, offset, len) \ |
| 47 | do { \ |
| 48 | len += ret; \ |
| 49 | if (ret > rem) \ |
| 50 | ret = rem; \ |
| 51 | offset += ret; \ |
| 52 | rem -= ret; \ |
| 53 | } while (0) |
| 54 | |
Katerina Barone-Adesi | 008e53b | 2013-03-03 10:36:52 +0000 | [diff] [blame] | 55 | #define OSMO_ASSERT(exp) \ |
| 56 | if (!(exp)) { \ |
Katerina Barone-Adesi | 55cf022 | 2013-03-12 10:23:52 +0100 | [diff] [blame] | 57 | fprintf(stderr, "Assert failed %s %s:%d\n", #exp, __FILE__, __LINE__); \ |
| 58 | osmo_generate_backtrace(); \ |
Katerina Barone-Adesi | 008e53b | 2013-03-03 10:36:52 +0000 | [diff] [blame] | 59 | abort(); \ |
| 60 | } |
| 61 | |
| 62 | |
Sylvain Munaut | dca7d2c | 2012-04-18 21:53:23 +0200 | [diff] [blame] | 63 | /*! @} */ |