libosmocore/include/osmocom/core/utils.h

57 lines
1.6 KiB
C

#ifndef OSMOCORE_UTIL_H
#define OSMOCORE_UTIL_H
/*! \defgroup utils General-purpose utility functions
* @{
*/
/*! \file utils.h */
/*! \brief Determine number of elements in an array of static size */
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
/*! \brief Return the maximum of two specified values */
#define OSMO_MAX(a, b) (a) >= (b) ? (a) : (b)
/*! \brief Return the minimum of two specified values */
#define OSMO_MIN(a, b) (a) >= (b) ? (b) : (a)
#include <stdint.h>
/*! \brief A mapping between human-readable string and numeric value */
struct value_string {
unsigned int value; /*!< \brief numeric value */
const char *str; /*!< \brief human-readable string */
};
const char *get_value_string(const struct value_string *vs, uint32_t val);
int get_string_value(const struct value_string *vs, const char *str);
char osmo_bcd2char(uint8_t bcd);
/* only works for numbers in ascci */
uint8_t osmo_char2bcd(char c);
int osmo_hexparse(const char *str, uint8_t *b, int max_len);
char *osmo_ubit_dump(const uint8_t *bits, unsigned int len);
char *osmo_hexdump(const unsigned char *buf, int len);
char *osmo_hexdump_nospc(const unsigned char *buf, int len);
char *osmo_osmo_hexdump_nospc(const unsigned char *buf, int len) __attribute__((__deprecated__));
#define osmo_static_assert(exp, name) typedef int dummy##name [(exp) ? 1 : -1];
void osmo_str2lower(char *out, const char *in);
void osmo_str2upper(char *out, const char *in);
#define OSMO_SNPRINTF_RET(ret, rem, offset, len) \
do { \
len += ret; \
if (ret > rem) \
ret = rem; \
offset += ret; \
rem -= ret; \
} while (0)
/*! @} */
#endif