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Move UINT32_LE macros to common.h

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32-bit integer manipulation macros (little edian):
GET_UINT32_LE and PUT_UINT32_LE appear in several
files in library/.
Removes duplicate code and save vertical
space the macro has been moved to common.h.
Improves maintainability.

Also provided brief comment in common.h for
BYTES_TO_U32_LE. comment/documentation will
probably need to be edited further for all
recent additions to library/common.h

Signed-off-by: Joe Subbiani <joe.subbiani@arm.com>
This commit is contained in:
Joe Subbiani
2021-06-23 12:16:47 +01:00
parent 30d974c232
commit 54c6134ff7
6 changed files with 24 additions and 116 deletions
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23
library/aria.c
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@ -55,29 +55,6 @@
#define ARIA_VALIDATE( cond ) \
MBEDTLS_INTERNAL_VALIDATE( cond )
/*
* 32-bit integer manipulation macros (little endian)
*/
#ifndef GET_UINT32_LE
#define GET_UINT32_LE( n, b, i ) \
{ \
(n) = ( (uint32_t) (b)[(i) ] ) \
| ( (uint32_t) (b)[(i) + 1] << 8 ) \
| ( (uint32_t) (b)[(i) + 2] << 16 ) \
| ( (uint32_t) (b)[(i) + 3] << 24 ); \
}
#endif
#ifndef PUT_UINT32_LE
#define PUT_UINT32_LE( n, b, i ) \
{ \
(b)[(i) ] = (unsigned char) ( ( (n) ) & 0xFF ); \
(b)[(i) + 1] = (unsigned char) ( ( (n) >> 8 ) & 0xFF ); \
(b)[(i) + 2] = (unsigned char) ( ( (n) >> 16 ) & 0xFF ); \
(b)[(i) + 3] = (unsigned char) ( ( (n) >> 24 ) & 0xFF ); \
}
#endif
/*
* modify byte order: ( A B C D ) -> ( B A D C ), i.e. swap pairs of bytes
*