You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
49 lines
862 B
49 lines
862 B
#ifndef __CVTENDIAN_H
|
|
#define __CVTENDIAN_H
|
|
|
|
/* Support for swapping bytes (endian conversion) */
|
|
#include <byteswap.h>
|
|
|
|
/* For obtaining the host endian type */
|
|
#include <endian.h>
|
|
#if (__BYTE_ORDER == __LITTLE_ENDIAN)
|
|
# define HOST_ENDIAN ELFDATA2LSB
|
|
#elif (__BYTE_ORDER == __BIG_ENDIAN)
|
|
# define HOST_ENDIAN ELFDATA2MSB
|
|
#else
|
|
# error "Failed to detect host endian type"
|
|
#endif
|
|
|
|
/*
|
|
* Convert the endian of a parameter
|
|
*/
|
|
static int ConvertEndian(void *ptr, int bytes)
|
|
{
|
|
switch(bytes)
|
|
{
|
|
case 2:
|
|
{
|
|
uint16_t *value = (uint16_t *) ptr;
|
|
|
|
*value = bswap_16(*value);
|
|
} return 1;
|
|
case 4:
|
|
{
|
|
uint32_t *value = (uint32_t *) ptr;
|
|
|
|
*value = bswap_32(*value);
|
|
} return 1;
|
|
case 8:
|
|
{
|
|
uint64_t *value = (uint64_t *) ptr;
|
|
|
|
*value = bswap_64(*value);
|
|
} return 1;
|
|
default:
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#endif /* __CVTENDIAN_H */
|