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Implement byte reading macros into library/

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To improve readability by saving horizontal and vertical space.
Removed unecessary & 0xFF.
Byte reading macros implemented in library/common.h, All files
containing "& 0xff" were modified.
Comments/Documentation not yet added to the macro definitions.

Fixes #4274

Signed-off-by: Joe Subbiani <joe.subbiani@arm.com>
This commit is contained in:
Joe Subbiani
2021-06-22 15:51:53 +01:00
parent 01a78599b0
commit 50dde56543
7 changed files with 34 additions and 24 deletions
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10
library/common.h
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@ -66,4 +66,14 @@ extern void (*mbedtls_test_hook_test_fail)( const char * test, int line, const c
*/
#define MBEDTLS_ALLOW_PRIVATE_ACCESS
/** Byte Reading Macros
*
* To tidy up code and save horizontal and vertical space, use byte
* reading macros to cast
*/
#define BYTE_0( x ) ( (uint8_t) ( ( x ) & 0xff ) )
#define BYTE_1( x ) ( (uint8_t) ( ( ( x ) >> 8 ) & 0xff ) )
#define BYTE_2( x ) ( (uint8_t) ( ( ( x ) >> 16 ) & 0xff ) )
#define BYTE_3( x ) ( (uint8_t) ( ( ( x ) >> 24 ) & 0xff ) )
#endif /* MBEDTLS_LIBRARY_COMMON_H */