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utils.h
Go to the documentation of this file.
#pragma once
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <osmocom/core/backtrace.h>
#include <osmocom/core/talloc.h>
#include <osmocom/core/panic.h>
#include <osmocom/core/defs.h>
#ifndef ARRAY_SIZE
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
#endif
#define OSMO_MAX(a, b) ((a) >= (b) ? (a) : (b))
#define OSMO_MIN(a, b) ((a) >= (b) ? (b) : (a))
#define OSMO_CMP(a, b) ((a) < (b)? -1 : ((a) > (b)? 1 : 0))
#define OSMO_STRINGIFY(x) #x
#define OSMO_STRINGIFY_VAL(x) OSMO_STRINGIFY(x)
#define OSMO_VALUE_STRING(x) { x, #x }
#define OSMO_BYTES_FOR_BITS(BITS) (((BITS) + 7) / 8)
#define OSMO_STRLCPY_ARRAY(array, src) osmo_strlcpy(array, src, sizeof(array))
#if defined(__GNUC__)
#define OSMO_LIKELY(exp) __builtin_expect(!!(exp), 1)
#define OSMO_UNLIKELY(exp) __builtin_expect(!!(exp), 0)
#else
#define OSMO_LIKELY(exp) exp
#define OSMO_UNLIKELY(exp) exp
#endif
struct value_string {
uint32_t value;
const char *str;
};
const char *get_value_string(const struct value_string *vs, uint32_t val);
const char *get_value_string_or_null(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 ASCII */
uint8_t osmo_char2bcd(char c);
int osmo_bcd2str(char *dst, size_t dst_size, const uint8_t *bcd, int start_nibble, int end_nibble, bool allow_hex);
int osmo_str2bcd(uint8_t *dst, size_t dst_size, const char *digits, int start_nibble, int end_nibble, bool allow_hex);
int osmo_hexparse(const char *str, uint8_t *b, unsigned int max_len);
char *osmo_ubit_dump_buf(char *buf, size_t buf_len, const uint8_t *bits, unsigned int len);
char *osmo_ubit_dump(const uint8_t *bits, unsigned int len);
char *osmo_hexdump(const unsigned char *buf, int len);
char *osmo_hexdump_c(const void *ctx, const unsigned char *buf, int len);
char *osmo_hexdump_nospc(const unsigned char *buf, int len);
char *osmo_hexdump_nospc_c(const void *ctx, const unsigned char *buf, int len);
const char *osmo_hexdump_buf(char *out_buf, size_t out_buf_size, const unsigned char *buf, int len, const char *delim,
bool delim_after_last);
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] __attribute__((__unused__));
void osmo_str2lower(char *out, const char *in)
OSMO_DEPRECATED("Use osmo_str_tolower() or osmo_str_tolower_buf() instead,"
" to properly check target memory bounds");
void osmo_str2upper(char *out, const char *in)
OSMO_DEPRECATED("Use osmo_str_toupper() or osmo_str_toupper_buf() instead,"
" to properly check target memory bounds");
size_t osmo_str_tolower_buf(char *dest, size_t dest_len, const char *src);
const char *osmo_str_tolower(const char *src);
char *osmo_str_tolower_c(const void *ctx, const char *src);
size_t osmo_str_toupper_buf(char *dest, size_t dest_len, const char *src);
const char *osmo_str_toupper(const char *src);
char *osmo_str_toupper_c(const void *ctx, const char *src);
#define OSMO_SNPRINTF_RET(ret, rem, offset, len) \
do { \
len += ret; \
if (ret > rem) \
ret = rem; \
offset += ret; \
rem -= ret; \
} while (0)
#define OSMO_ASSERT(exp) \
do { \
if (OSMO_UNLIKELY(!(exp))) { \
osmo_panic("Assert failed %s %s:%d\n", #exp, __FILE__, __LINE__); \
} \
} while (0); /* some code invokes OSMO_ASSERT() without the semicolon */
static inline void osmo_talloc_replace_string(void *ctx, char **dst, const char *newstr)
{
if (*dst)
talloc_free(*dst);
*dst = talloc_strdup(ctx, newstr);
}
void osmo_talloc_replace_string_fmt(void *ctx, char **dst, const char *fmt, ...);
#define osmo_talloc_asprintf(ctx, dest, fmt, args ...) \
do { \
if (!dest) \
dest = talloc_asprintf(ctx, fmt, ## args); \
else \
dest = talloc_asprintf_append((char*)dest, fmt, ## args); \
} while (0)
int osmo_constant_time_cmp(const uint8_t *exp, const uint8_t *rel, const int count);
uint64_t osmo_decode_big_endian(const uint8_t *data, size_t data_len);
uint8_t *osmo_encode_big_endian(uint64_t value, size_t data_len);
size_t osmo_strlcpy(char *dst, const char *src, size_t siz);
const char *osmo_strnchr(const char *str, size_t str_size, char c);
bool osmo_is_hexstr(const char *str, int min_digits, int max_digits,
bool require_even);
bool osmo_identifier_valid(const char *str);
bool osmo_separated_identifiers_valid(const char *str, const char *sep_chars);
void osmo_identifier_sanitize_buf(char *str, const char *sep_chars, char replace_with);
size_t osmo_escape_cstr_buf(char *buf, size_t bufsize, const char *str, int in_len);
char *osmo_escape_cstr_c(void *ctx, const char *str, int in_len);
size_t osmo_quote_cstr_buf(char *buf, size_t bufsize, const char *str, int in_len);
char *osmo_quote_cstr_c(void *ctx, const char *str, int in_len);
const char *osmo_escape_str(const char *str, int len);
int osmo_escape_str_buf3(char *buf, size_t bufsize, const char *str, int in_len);
char *osmo_escape_str_buf2(char *buf, size_t bufsize, const char *str, int in_len);
const char *osmo_escape_str_buf(const char *str, int in_len, char *buf, size_t bufsize);
char *osmo_escape_str_c(const void *ctx, const char *str, int in_len);
const char *osmo_quote_str(const char *str, int in_len);
int osmo_quote_str_buf3(char *buf, size_t bufsize, const char *str, int in_len);
char *osmo_quote_str_buf2(char *buf, size_t bufsize, const char *str, int in_len);
const char *osmo_quote_str_buf(const char *str, int in_len, char *buf, size_t bufsize);
char *osmo_quote_str_c(const void *ctx, const char *str, int in_len);
int osmo_print_n(char *buf, size_t bufsize, const char *str, size_t n);
uint32_t osmo_isqrt32(uint32_t x);
#define OSMO_MOD_FLR(x, y) (((x) > 0 && (y) < 0) || ((x) < 0 && (y) > 0) ? (x) % (y) + (y) : (x) % (y))
#define OSMO_MOD_EUC(x, y) ((x) % (y) < 0 ? (y) > 0 ? (x) % (y) + (y) : (x) % (y) - (y) : (x) % (y))
char osmo_luhn(const char* in, int in_len);
struct osmo_strbuf {
char *buf;
size_t len;
char *pos;
size_t chars_needed;
};
#define OSMO_STRBUF_APPEND(STRBUF, func, args...) do { \
if (!(STRBUF).pos) \
(STRBUF).pos = (STRBUF).buf; \
size_t _sb_remain = OSMO_STRBUF_REMAIN(STRBUF); \
int _sb_l = func((STRBUF).pos, _sb_remain, ##args); \
if (_sb_l < 0 || (size_t)_sb_l > _sb_remain) \
(STRBUF).pos = (STRBUF).buf + (STRBUF).len; \
else if ((STRBUF).pos) \
(STRBUF).pos += _sb_l; \
if (_sb_l > 0) \
(STRBUF).chars_needed += _sb_l; \
} while(0)
#define OSMO_STRBUF_PRINTF(STRBUF, fmt, args...) \
OSMO_STRBUF_APPEND(STRBUF, snprintf, fmt, ##args)
static inline size_t _osmo_strbuf_remain(const struct osmo_strbuf *sb)
{
if (OSMO_UNLIKELY(sb == NULL || sb->buf == NULL))
return 0;
if (sb->pos == NULL)
return sb->len;
return sb->len - (sb->pos - sb->buf);
}
#define OSMO_STRBUF_REMAIN(STRBUF) \
_osmo_strbuf_remain(&(STRBUF))
static inline size_t _osmo_strbuf_char_count(const struct osmo_strbuf *sb)
{
if (OSMO_UNLIKELY(sb == NULL || sb->buf == NULL))
return 0;
if (sb->pos == NULL || sb->pos <= sb->buf)
return 0;
return OSMO_MIN((size_t)(sb->pos - sb->buf), sb->len - 1);
}
#define OSMO_STRBUF_CHAR_COUNT(STRBUF) \
_osmo_strbuf_char_count(&(STRBUF))
#define OSMO_STRBUF_APPEND_NOLEN(STRBUF, func, args...) do { \
if (!(STRBUF).pos) \
(STRBUF).pos = (STRBUF).buf; \
size_t _sb_remain = OSMO_STRBUF_REMAIN(STRBUF); \
if (_sb_remain) { \
func((STRBUF).pos, _sb_remain, ##args); \
} \
size_t _sb_l = (STRBUF).pos ? strnlen((STRBUF).pos, _sb_remain) : 0; \
if (_sb_l > _sb_remain) \
(STRBUF).pos = (STRBUF).buf + (STRBUF).len; \
else if ((STRBUF).pos) \
(STRBUF).pos += _sb_l; \
(STRBUF).chars_needed += _sb_l; \
} while(0)
void osmo_strbuf_drop_tail(struct osmo_strbuf *sb, size_t n_chars);
/* Convenience macro. struct osmo_strbuf are typically static to a function scope. Avoid having to type '&', same as
* with all the other OSMO_STRBUF_* API. */
#define OSMO_STRBUF_DROP_TAIL(STRBUF, N_CHARS) osmo_strbuf_drop_tail(&(STRBUF), N_CHARS)
void osmo_strbuf_added_tail(struct osmo_strbuf *sb, size_t n_chars);
/* Convenience macro. struct osmo_strbuf are typically static to a function scope. Avoid having to type '&', same as
* with all the other OSMO_STRBUF_* API. */
#define OSMO_STRBUF_ADDED_TAIL(STRBUF, N_CHARS) osmo_strbuf_added_tail(&(STRBUF), N_CHARS)
bool osmo_str_startswith(const char *str, const char *startswith_str);
int osmo_float_str_to_int(int64_t *val, const char *str, unsigned int precision);
int osmo_int_to_float_str_buf(char *buf, size_t buflen, int64_t val, unsigned int precision);
char *osmo_int_to_float_str_c(void *ctx, int64_t val, unsigned int precision);
int osmo_str_to_int64(int64_t *result, const char *str, int base, int64_t min_val, int64_t max_val);
int osmo_str_to_int(int *result, const char *str, int base, int min_val, int max_val);
#define OSMO_NAME_C_IMPL(CTX, INITIAL_BUFSIZE, ON_ERROR, FUNC_BUF, FUNC_BUF_ARGS...) \
size_t _len = INITIAL_BUFSIZE; \
int _needed; \
char *_str = NULL; \
if ((INITIAL_BUFSIZE) > 0) { \
_str = (char*)talloc_named_const(CTX, _len, __func__); \
OSMO_ASSERT(_str); \
} \
_needed = FUNC_BUF(_str, _len, ## FUNC_BUF_ARGS); \
if (_needed < 0) \
goto OSMO_NAME_C_on_error; \
if ((unsigned int) _needed < _len) \
return _str; \
_len = _needed + 1; \
if (_str) \
talloc_free(_str); \
_str = (char*)talloc_named_const(CTX, _len, __func__); \
OSMO_ASSERT(_str); \
_needed = FUNC_BUF(_str, _len, ## FUNC_BUF_ARGS); \
if (_needed < 0) \
goto OSMO_NAME_C_on_error; \
return _str; \
OSMO_NAME_C_on_error: \
/* Re-using and re-sizing above allocated buf ends up in very complex code. Just free and strdup. */ \
if (_str) \
talloc_free(_str); \
if (!(ON_ERROR)) \
return NULL; \
_str = talloc_strdup(CTX, ON_ERROR); \
OSMO_ASSERT(_str); \
talloc_set_name_const(_str, __func__); \
return _str;
backtrace.h
defs.h
General definitions that are meant to be included from header files.
__attribute__
enum gsm0808_assignment_requirement __attribute__
Definition log2.h:61
OSMO_UNLIKELY
#define OSMO_UNLIKELY(exp)
Definition utils.h:47
osmo_str_toupper
const char * osmo_str_toupper(const char *src)
Convert a string to uppercase, using a static buffer.
Definition utils.c:1171
osmo_strbuf_added_tail
void osmo_strbuf_added_tail(struct osmo_strbuf *sb, size_t n_chars)
Let osmo_strbuf know that n_chars characters (excluding nul) were written to the end of the buffer.
Definition utils.c:1248
OSMO_MIN
#define OSMO_MIN(a, b)
Return the minimum of two specified values.
Definition utils.h:24
osmo_str_tolower_c
char * osmo_str_tolower_c(const void *ctx, const char *src)
Convert a string to lowercase, dynamically allocating the output from given talloc context See also o...
Definition utils.c:1125
osmo_quote_cstr_buf
size_t osmo_quote_cstr_buf(char *buf, size_t bufsize, const char *str, int in_len)
Like osmo_escape_str_buf2(), but returns double-quotes around a string, or "NULL" for a NULL string.
Definition utils.c:1018
_osmo_strbuf_remain
static size_t _osmo_strbuf_remain(const struct osmo_strbuf *sb)
Get remaining space for characters and terminating nul in the given struct osmo_strbuf.
Definition utils.h:287
osmo_str_toupper_c
char * osmo_str_toupper_c(const void *ctx, const char *src)
Convert a string to uppercase, dynamically allocating the output from given talloc context See also o...
Definition utils.c:1183
osmo_quote_cstr_c
char * osmo_quote_cstr_c(void *ctx, const char *str, int in_len)
Return the string quoted and with all non-printable characters escaped, in dynamically-allocated buff...
Definition utils.c:1030
osmo_hexdump_buf
const char * osmo_hexdump_buf(char *out_buf, size_t out_buf_size, const unsigned char *buf, int len, const char *delim, bool delim_after_last)
Convert binary sequence to hexadecimal ASCII string.
Definition utils.c:309
osmo_strlcpy
size_t osmo_strlcpy(char *dst, const char *src, size_t siz)
Copy a C-string into a sized buffer.
Definition utils.c:575
osmo_strbuf_drop_tail
void osmo_strbuf_drop_tail(struct osmo_strbuf *sb, size_t n_chars)
Remove up to N chars from the end of an osmo_strbuf.
Definition utils.c:1228
osmo_quote_str_c
char * osmo_quote_str_c(const void *ctx, const char *str, int in_len)
Like osmo_quote_str_buf() but returns the result in a dynamically-allocated buffer.
Definition utils.c:972
osmo_strnchr
const char * osmo_strnchr(const char *str, size_t str_size, char c)
Find first occurence of a char in a size limited string.
Definition utils.c:595
osmo_talloc_replace_string_fmt
void osmo_talloc_replace_string_fmt(void *ctx, char **dst, const char *fmt,...)
Replace a string using talloc and release its prior content (if any).
Definition utils.c:1578
osmo_print_n
int osmo_print_n(char *buf, size_t bufsize, const char *str, size_t n)
Copy N characters to a buffer with a function signature useful for OSMO_STRBUF_APPEND().
Definition utils.c:733
_osmo_strbuf_char_count
static size_t _osmo_strbuf_char_count(const struct osmo_strbuf *sb)
Get number of actual characters (without terminating nul) in the given struct osmo_strbuf.
Definition utils.h:303
osmo_bcd2str
int osmo_bcd2str(char *dst, size_t dst_size, const uint8_t *bcd, int start_nibble, int end_nibble, bool allow_hex)
Convert BCD to string.
Definition utils.c:156
osmo_talloc_replace_string
static void osmo_talloc_replace_string(void *ctx, char **dst, const char *newstr)
duplicate a string using talloc and release its prior content (if any)
Definition utils.h:124
osmo_escape_str_c
char * osmo_escape_str_c(const void *ctx, const char *str, int in_len)
Return the string with all non-printable characters escaped, in dynamically-allocated buffer.
Definition utils.c:875
osmo_ubit_dump_buf
char * osmo_ubit_dump_buf(char *buf, size_t buf_len, const uint8_t *bits, unsigned int len)
Convert a sequence of unpacked bits to ASCII string, in user-supplied buffer.
Definition utils.c:351
osmo_str_startswith
bool osmo_str_startswith(const char *str, const char *startswith_str)
Compare start of a string.
Definition utils.c:1274
get_string_value
int get_string_value(const struct value_string *vs, const char *str)
get numeric value for given human-readable string
Definition utils.c:101
osmo_str_to_int
int osmo_str_to_int(int *result, const char *str, int base, int min_val, int max_val)
Convert a string of a number to int, including all common strtoll() validity checks.
Definition utils.c:1552
osmo_quote_str_buf2
char * osmo_quote_str_buf2(char *buf, size_t bufsize, const char *str, int in_len)
Like osmo_escape_str_buf2(), but returns double-quotes around a string, or "NULL" for a NULL string.
Definition utils.c:931
osmo_str_to_int64
int osmo_str_to_int64(int64_t *result, const char *str, int base, int64_t min_val, int64_t max_val)
Convert a string of a number to int64_t, including all common strtoll() validity checks.
Definition utils.c:1493
osmo_decode_big_endian
uint64_t osmo_decode_big_endian(const uint8_t *data, size_t data_len)
Generic retrieval of 1..8 bytes as big-endian uint64_t.
Definition utils.c:534
osmo_hexdump_nospc
char * osmo_hexdump_nospc(const unsigned char *buf, int len)
Convert binary sequence to hexadecimal ASCII string.
Definition utils.c:438
osmo_ubit_dump
char * osmo_ubit_dump(const uint8_t *bits, unsigned int len)
Convert a sequence of unpacked bits to ASCII string, in static buffer.
Definition utils.c:386
osmo_escape_str_buf3
int osmo_escape_str_buf3(char *buf, size_t bufsize, const char *str, int in_len)
Return the string with all non-printable characters escaped.
Definition utils.c:841
osmo_str_toupper_buf
size_t osmo_str_toupper_buf(char *dest, size_t dest_len, const char *src)
Convert a string to uppercase, while checking buffer size boundaries.
Definition utils.c:1145
osmo_identifier_sanitize_buf
void osmo_identifier_sanitize_buf(char *str, const char *sep_chars, char replace_with)
Replace characters in the given string buffer so that it is guaranteed to pass osmo_separated_identif...
Definition utils.c:693
osmo_luhn
char osmo_luhn(const char *in, int in_len)
Calculate the Luhn checksum (as used for IMEIs).
Definition utils.c:1198
osmo_str_tolower_buf
size_t osmo_str_tolower_buf(char *dest, size_t dest_len, const char *src)
Convert a string to lowercase, while checking buffer size boundaries.
Definition utils.c:1087
osmo_int_to_float_str_c
char * osmo_int_to_float_str_c(void *ctx, int64_t val, unsigned int precision)
Convert an integer with a factor of a million to a floating point string.
Definition utils.c:1474
osmo_osmo_hexdump_nospc
char * osmo_osmo_hexdump_nospc(const unsigned char *buf, int len) __attribute__((__deprecated__))
osmo_constant_time_cmp
int osmo_constant_time_cmp(const uint8_t *exp, const uint8_t *rel, const int count)
Wishful thinking to generate a constant time compare.
Definition utils.c:512
osmo_isqrt32
uint32_t osmo_isqrt32(uint32_t x)
perform an integer square root operation on unsigned 32bit integer.
Definition utils.c:1040
osmo_hexparse
int osmo_hexparse(const char *str, uint8_t *b, unsigned int max_len)
Parse a string containing hexadecimal digits.
Definition utils.c:250
osmo_quote_str_buf3
int osmo_quote_str_buf3(char *buf, size_t bufsize, const char *str, int in_len)
Like osmo_escape_str_buf3(), but returns double-quotes around a string, or "NULL" for a NULL string.
Definition utils.c:917
osmo_float_str_to_int
int osmo_float_str_to_int(int64_t *val, const char *str, unsigned int precision)
Convert a string of a floating point number to a signed int, with a decimal factor (fixed-point preci...
Definition utils.c:1295
OSMO_DEPRECATED
#define OSMO_DEPRECATED(text)
Set the deprecated attribute with a message.
Definition defs.h:41
osmo_bcd2char
char osmo_bcd2char(uint8_t bcd)
Convert BCD-encoded digit into printable character.
Definition utils.c:118
osmo_escape_cstr_buf
size_t osmo_escape_cstr_buf(char *buf, size_t bufsize, const char *str, int in_len)
Return the string with all non-printable characters escaped.
Definition utils.c:988
osmo_quote_str
const char * osmo_quote_str(const char *str, int in_len)
Like osmo_quote_str_buf() but returns the result in a static buffer.
Definition utils.c:961
osmo_is_hexstr
bool osmo_is_hexstr(const char *str, int min_digits, int max_digits, bool require_even)
Validate that a given string is a hex string within given size limits.
Definition utils.c:621
osmo_str2lower
void osmo_str2lower(char *out, const char *in) OSMO_DEPRECATED("Use osmo_str_tolower() or osmo_str_tolower_buf() instead
osmo_encode_big_endian
uint8_t * osmo_encode_big_endian(uint64_t value, size_t data_len)
Generic big-endian encoding of big endian number up to 64bit.
Definition utils.c:555
osmo_str2bcd
int osmo_str2bcd(uint8_t *dst, size_t dst_size, const char *digits, int start_nibble, int end_nibble, bool allow_hex)
Convert string to BCD.
Definition utils.c:201
osmo_escape_str_buf2
char * osmo_escape_str_buf2(char *buf, size_t bufsize, const char *str, int in_len)
Return the string with all non-printable characters escaped.
Definition utils.c:853
osmo_escape_cstr_c
char * osmo_escape_cstr_c(void *ctx, const char *str, int in_len)
Return the string with all non-printable characters escaped, in dynamically-allocated buffer.
Definition utils.c:1000
osmo_escape_str
const char * osmo_escape_str(const char *str, int len)
Return the string with all non-printable characters escaped.
Definition utils.c:865
osmo_separated_identifiers_valid
bool osmo_separated_identifiers_valid(const char *str, const char *sep_chars)
Determine if a given identifier is valid, i.e.
Definition utils.c:651
get_value_string_or_null
const char * get_value_string_or_null(const struct value_string *vs, uint32_t val)
get human-readable string or NULL for given value
Definition utils.c:78
osmo_escape_str_buf
const char * osmo_escape_str_buf(const char *str, int in_len, char *buf, size_t bufsize)
Like osmo_escape_str_buf2, but with unusual ordering of arguments, and may sometimes return string co...
Definition utils.c:716
osmo_str_tolower
const char * osmo_str_tolower(const char *src)
Convert a string to lowercase, using a static buffer.
Definition utils.c:1113
osmo_quote_str_buf
const char * osmo_quote_str_buf(const char *str, int in_len, char *buf, size_t bufsize)
Like osmo_quote_str_buf2, but with unusual ordering of arguments, and may sometimes return string con...
Definition utils.c:945
osmo_hexdump
char * osmo_hexdump(const unsigned char *buf, int len)
Convert binary sequence to hexadecimal ASCII string.
Definition utils.c:402
osmo_identifier_valid
bool osmo_identifier_valid(const char *str)
Determine if a given identifier is valid, i.e.
Definition utils.c:681
osmo_hexdump_c
char * osmo_hexdump_c(const void *ctx, const unsigned char *buf, int len)
Convert binary sequence to hexadecimal ASCII string.
Definition utils.c:417
osmo_char2bcd
uint8_t osmo_char2bcd(char c)
Convert number in ASCII to BCD value.
Definition utils.c:130
osmo_hexdump_nospc_c
char * osmo_hexdump_nospc_c(const void *ctx, const unsigned char *buf, int len)
Convert binary sequence to hexadecimal ASCII string.
Definition utils.c:453
osmo_str2upper
void osmo_str2upper(char *out, const char *in) OSMO_DEPRECATED("Use osmo_str_toupper() or osmo_str_toupper_buf() instead
get_value_string
const char * get_value_string(const struct value_string *vs, uint32_t val)
get human-readable string for given value
Definition utils.c:62
osmo_int_to_float_str_buf
int osmo_int_to_float_str_buf(char *buf, size_t buflen, int64_t val, unsigned int precision)
Convert an integer to a floating point string using a decimal quotient (fixed-point precision).
Definition utils.c:1420
x
uint32_t x
Definition jhash.h:0
panic.h
osmo_strbuf
State for OSMO_STRBUF_APPEND() and OSMO_STRBUF_PRINTF().
Definition utils.h:200
osmo_strbuf::pos
char * pos
Current writing position in buf (end of the string written so far).
Definition utils.h:206
osmo_strbuf::buf
char * buf
Point to the start of a string buffer.
Definition utils.h:202
osmo_strbuf::len
size_t len
Total sizeof() the buffer buf points at.
Definition utils.h:204
osmo_strbuf::chars_needed
size_t chars_needed
After all OSMO_STRBUF_APPEND operations, reflects the total number of characters that would be writte...
Definition utils.h:210
value_string
A mapping between human-readable string and numeric value.
Definition utils.h:51
value_string::value
uint32_t value
numeric value
Definition utils.h:52
value_string::str
const char * str
human-readable string
Definition utils.h:53
talloc.h