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