mphell-util.c File Reference

Definition of miscellaneous function. More...

#include "mphell-util.h"

Include dependency graph for mphell-util.c:

Go to the source code of this file.

Macros
#define	MAX_MARKER_LEN   50

Functions
uint8_t	bits_to_nblock (const uint16_t nbits)
	Return the number of blocks required to store a nbits number. More...
uint8_t	max_size (uint8_t a, uint8_t b)
	Return the max of a and b. More...
time_t	get_s (struct timespec *start, struct timespec *end)
	Return the elapsed time in second between "start" and "end". More...
unsigned int	get_ns (struct timespec *start, struct timespec *end)
	Return the elapsed time in nano second to add to the result of get_s(). More...
void	print_bytes_string_hex (const uint8_t *bytes_string, uint16_t length)
	Print the byte string "bytes_string" under hexadecimal form. More...
void	bytes_string2hex (char *hex_string, const uint8_t *bytes_string, uint16_t length)
	Convert the byte string "bytes_string" under hexadecimal form. More...
void	hex_string2bytes (uint8_t *bytes_string, const char *hex_string, uint16_t length)
	Convert the hexadecimal string "hex_string" under bytes string form. More...
void	bin2hex (const unsigned char *old, const uint32_t oldlen, unsigned char *result)
uint32_t	hex2bin (const char *in, unsigned char *out)
	Convert an hexadecimal string into a binary string. More...
int	FindMarker (FILE *infile, const char *marker)
	Find a marker in a file. More...
int	ReadHex (FILE *infile, char *A, const int Length, char *str)
	Read an hexadecimal string in file "infile". More...
void	char2bin (char c, uint8_t *b)
	Convert a character into a byte (according to its ascii value) More...
void	printchar2bin (uint8_t b)
	print a byte More...
void	string2bin (char *s, uint8_t *output)
	Convert a string into a byte array. More...
void	printstring2bin (uint8_t *s, uint32_t len)
	Print a byte array. More...

Detailed Description

Definition of miscellaneous function.

Definition in file mphell-util.c.

Function Documentation

bits_to_nblock()

uint8_t bits_to_nblock

(

const uint16_t

nbits

)

Return the number of blocks required to store a nbits number.

Parameters

nbits

Number of bits

Returns

Number of block required to store a nbits number

Definition at line 29 of file mphell-util.c.

bytes_string2hex()

void bytes_string2hex	(	char *	hex_string,
		const uint8_t *	bytes_string,
		uint16_t	length
	)

Convert the byte string "bytes_string" under hexadecimal form.

Parameters

hex_string	Resulting hexadecimal string, must be allocated of size length*2
bytes_string	Byte string to convert
length	Length of bytes_string (in byte)

Definition at line 67 of file mphell-util.c.

char2bin()

void char2bin	(	char	c,
		uint8_t *	b
	)

Convert a character into a byte (according to its ascii value)

Parameters

c	character to convert
b	destination byte

Definition at line 242 of file mphell-util.c.

FindMarker()

int FindMarker	(	FILE *	infile,
		const char *	marker
	)

Find a marker in a file.

Parameters

infile	Filename
marker	Marker to find

Returns

O if marker is not find

1 if marker is not find

Definition at line 167 of file mphell-util.c.

get_ns()

long get_ns	(	struct timespec *	start,
		struct timespec *	end
	)

Return the elapsed time in nano second to add to the result of get_s().

Parameters

start	Begin of chrono
end	End of chrono

Returns

Elapse time in nano second to add to the result of get_s().

Definition at line 48 of file mphell-util.c.

get_s()

time_t get_s	(	struct timespec *	start,
		struct timespec *	end
	)

Return the elapsed time in second between "start" and "end".

Parameters

start	Begin of chrono
end	End of chrono

Returns

Elapse time in second

Definition at line 39 of file mphell-util.c.

hex2bin()

uint32_t hex2bin	(	const char *	in,
		unsigned char *	out
	)

Convert an hexadecimal string into a binary string.

Parameters

in	Hexadecimal string
out	Binary string

Returns

Length (int bytes) of "out"

Definition at line 111 of file mphell-util.c.

hex_string2bytes()

void hex_string2bytes	(	uint8_t *	bytes_string,
		const char *	hex_string,
		uint16_t	length
	)

Convert the hexadecimal string "hex_string" under bytes string form.

Parameters

bytes_string	Resulting byte string, must be allocated of size length/2
hex_string	Hexadecimal string to convert
length	Length of resulting byte string

Definition at line 78 of file mphell-util.c.

max_size()

int max_size	(	uint8_t	a,
		uint8_t	b
	)

Return the max of a and b.

Parameters

a	size of an element in number blocks (< 256)
b	size of an element in number blocks (< 256)

Returns

Max between a and b

Definition at line 34 of file mphell-util.c.

print_bytes_string_hex()

void print_bytes_string_hex	(	const uint8_t *	bytes_string,
		uint16_t	length
	)

Print the byte string "bytes_string" under hexadecimal form.

Parameters

bytes_string	Byte string to print
length	Length of bytes_string (in byte)

Definition at line 58 of file mphell-util.c.

printchar2bin()

void printchar2bin

(

uint8_t

b

)

print a byte

Parameters

b	byte to print

Definition at line 254 of file mphell-util.c.

printstring2bin()

void printstring2bin	(	uint8_t *	s,
		uint32_t	len
	)

Print a byte array.

Parameters

s	byte array
len	length of "s"

Definition at line 281 of file mphell-util.c.

ReadHex()

int ReadHex	(	FILE *	infile,
		char *	A,
		const int	Length,
		char *	str
	)

Read an hexadecimal string in file "infile".

Parameters

infile	Filename
A	Destination string
Length	Size in bytes of the string to read
str	Marker used to detect the string

Returns

O if marker is not find

1 if marker is not find

Definition at line 196 of file mphell-util.c.

string2bin()

void string2bin	(	char *	s,
		uint8_t *	output
	)

Convert a string into a byte array.

Parameters

s	string to convert
output	destination byte array

Definition at line 271 of file mphell-util.c.