utils.c File Reference

#include "utils.h"
#include <stddef.h>
#include <stdint.h>

Functions
size_t	yami_round_up_to_4 (const size_t v)
	Rounds the given value to the nearest 4 (for alignment). More...
size_t	yami_round_up_to_8 (const size_t v)
	Rounds the given value to the nearest 8 (for alignment). More...
size_t	yami_strlen (const char s[])
	Replacement for standard strlen. More...
int32_t	yami_strcmp (const char s1[], const char s2[])
	Replacement for standard strcmp. More...
int32_t	yami_strncmp (const char s1[], const char s2[], const size_t n)
	Replacement for standard strncmp. More...
void	yami_strncpy (char dest[], const char src[], const size_t n)
	Replacement for standard strncpy. More...
int32_t	yami_strfind (const char s[], const char c, const size_t from, const size_t to)
	Finds the given character in nul-terminated string. More...
void	yami_memcpy (uint8_t dest[], const size_t dest_from, const uint8_t src[], const size_t src_from, const size_t n)
	Replacement for standard memcpy. More...
void	yami_bzero (uint8_t dest[], const size_t n)
	Replacement for standard bzero. More...
int32_t	yami_uint32_to_string (uint32_t v, char buf[], const size_t buf_from, const size_t buf_size)
	Converts uint32_t to string format. More...
int32_t	yami_string_to_uint32 (const char buf[], const size_t from, const size_t to, uint32_t *const out_value)
	Converts nul-terminated string to uint32_t. More...
int32_t	yami_string_to_uint8 (const char buf[], const size_t from, const size_t to, uint8_t *const out_value)
	Converts nul-terminated string to uint8_t. More...

Function Documentation

void yami_bzero	(	uint8_t	dest[],
		const size_t	n
	)

Replacement for standard bzero.

void yami_memcpy	(	uint8_t	dest[],
		const size_t	dest_from,
		const uint8_t	src[],
		const size_t	src_from,
		const size_t	n
	)

Replacement for standard memcpy.

size_t yami_round_up_to_4

(

size_t

v

)

Rounds the given value to the nearest 4 (for alignment).

Parameters

v	value to round

Returns

value rounded up to the nearset 4 boundary

size_t yami_round_up_to_8

(

size_t

v

)

Rounds the given value to the nearest 8 (for alignment).

Parameters

v	value to round

Returns

value rounded up to the nearset 8 boundary

int32_t yami_strcmp	(	const char	s1[],
		const char	s2[]
	)

Replacement for standard strcmp.

int32_t yami_strfind	(	const char	s[],
		char	c,
		size_t	from,
		size_t	to
	)

Finds the given character in nul-terminated string.

Parameters

s	string to be searched in
c	character to be searched for
from	starting index in s
to	last (not inclusive) index in s

Returns

index or -1 if the given character is not found.

int32_t yami_string_to_uint32	(	const char	buf[],
		size_t	from,
		size_t	to,
		uint32_t *	out_value
	)

Converts nul-terminated string to uint32_t.

Parameters

buf	string to be converted
from	starting index in buf
to	last (not inclusive) index in buf
out_value	value after conversion

Returns

1 on success or 0 if the given string cannot be converted to number

int32_t yami_string_to_uint8	(	const char	buf[],
		size_t	from,
		size_t	to,
		uint8_t *	out_value
	)

Converts nul-terminated string to uint8_t.

Parameters

buf	string to be converted
from	starting index in buf
to	last (not inclusive) index in buf
out_value	value after conversion

Returns

1 on success or 0 if the given string cannot be converted to number

size_t yami_strlen

(

const char

s[]

)

Replacement for standard strlen.

int32_t yami_strncmp	(	const char	s1[],
		const char	s2[],
		const size_t	n
	)

Replacement for standard strncmp.

void yami_strncpy	(	char	dest[],
		const char	src[],
		const size_t	n
	)

Replacement for standard strncpy.

int32_t yami_uint32_to_string	(	uint32_t	v,
		char	buf[],
		size_t	buf_from,
		size_t	buf_size
	)

Converts uint32_t to string format.

Parameters

v	value to be converted
buf	buffer where the string will be formatted
buf_from	starting index in buf
buf_size	total size of buf

Returns

index of last character in buf or -1 if buf_size is not big enough