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UE/API/USIM: move hex functions to common/utils.c

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This commit is contained in:
Frédéric Leroy
2017-01-25 13:29:10 +01:00
parent 9af3599153
commit 45fccb0203
4 changed files with 63 additions and 54 deletions
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common/utils/utils.c
+51
View File
@@ -21,3 +21,54 @@ void *malloc_or_fail(size_t size) {
}
return ptr;
}
/****************************************************************************
** **
** Name: hex_char_to_hex_value() **
** **
** Description: Converts an hexadecimal ASCII coded digit into its value. **
** **
** Inputs: c: A char holding the ASCII coded value **
** Others: None **
** **
** Outputs: None **
** Return: Converted value **
** Others: None **
** **
***************************************************************************/
uint8_t hex_char_to_hex_value (char c)
{
if (c >= 'A') {
/* Remove case bit */
c &= ~('a' ^ 'A');
return (c - 'A' + 10);
} else {
return (c - '0');
}
}
/****************************************************************************
** **
** Name: hex_string_to_hex_value() **
** **
** Description: Converts an hexadecimal ASCII coded string into its value.**
** **
** Inputs: hex_value: A pointer to the location to store the **
** conversion result **
** size: The size of hex_value in bytes **
** Others: None **
** **
** Outputs: hex_value: Converted value **
** Return: None **
** Others: None **
** **
***************************************************************************/
void hex_string_to_hex_value (uint8_t *hex_value, const char *hex_string, int size)
{
int i;
for (i=0; i < size; i++) {
hex_value[i] = (hex_char_to_hex_value(hex_string[2 * i]) << 4) | hex_char_to_hex_value(hex_string[2 * i + 1]);
}
}
common/utils/utils.h
+6
View File
@@ -1,9 +1,15 @@
#ifndef _UTILS_H
#define _UTILS_H
#include <stdint.h>
#include <sys/types.h>
void *calloc_or_fail(size_t size);
void *malloc_or_fail(size_t size);
// Converts an hexadecimal ASCII coded digit into its value. **
uint8_t hex_char_to_hex_value (char c);
// Converts an hexadecimal ASCII coded string into its value.**
void hex_string_to_hex_value (uint8_t *hex_value, const char *hex_string, int size);
#endif