mirror of
https://github.com/yuzu-emu/mbedtls.git
synced 2024-11-22 18:05:40 +01:00
Improve common.h macro documentation
Imrpoved the descriptions of the macros and parameters and changing the name of the MBEDTLS_PUT_UINT... macro parameters to be more descriptive Signed-off-by: Joe Subbiani <joe.subbiani@arm.com>
This commit is contained in:
Joe Subbiani
parent
6b897c930c
commit
0a65d531c5
140
library/common.h
140
library/common.h
@ -78,18 +78,13 @@
|
||||
#define MBEDTLS_CHAR_7( x ) ( (unsigned char) ( ( ( x ) >> 56 ) & 0xff ) )
|
||||
|
||||
/**
|
||||
* 32-bit integer manipulation GET macros (big endian)
|
||||
* Get the unsigned 32 bits integer corresponding to four bytes in
|
||||
* big-endian order (MSB first).
|
||||
*
|
||||
* \brief Use this to assign an unsigned 32 bit integer
|
||||
* by taking data stored adjacent in memory that
|
||||
* can be accessed via on offset
|
||||
* Big Endian is used when wanting to
|
||||
* transmit the most signifcant bits first
|
||||
*
|
||||
* \param data The data used to translate to a 32 bit
|
||||
* integer
|
||||
* \param offset the shift in bytes to access the next byte
|
||||
* of data
|
||||
* \param data Base address of the memory to get the four bytes from.
|
||||
* \param offset Offset from \p base of the first and most significant
|
||||
* byte of the four bytes to build the 32 bits unsigned
|
||||
* integer from.
|
||||
*/
|
||||
#ifndef MBEDTLS_GET_UINT32_BE
|
||||
#define MBEDTLS_GET_UINT32_BE( data , offset ) \
|
||||
@ -102,44 +97,32 @@
|
||||
#endif
|
||||
|
||||
/**
|
||||
* 32-bit integer manipulation PUT macros (big endian)
|
||||
* Put in memory a 32 bits unsigned integer in big-endian order.
|
||||
*
|
||||
* \brief Read from a 32 bit integer and store each byte
|
||||
* in memory, offset by a specified amount, resulting
|
||||
* in each byte being adjacent in memory.
|
||||
* Big Endian is used when wanting to
|
||||
* transmit the most signifcant bits first
|
||||
*
|
||||
* \param n 32 bit integer where data is accessed
|
||||
* \param b const unsigned char array of data to be
|
||||
* manipulated
|
||||
* \param i offset in bytes, In the case of UINT32, i
|
||||
* would increment by 4 every use assuming
|
||||
* the data is being stored in the same location
|
||||
* \param n 32 bits unsigned integer to put in memory
|
||||
* \param data Base address of the memory where to put the 32
|
||||
* bits unsigned integer in.
|
||||
* \param offset Offset from \p base where to put the most significant
|
||||
* byte of the 32 bits unsigned integer \p n.
|
||||
*/
|
||||
#ifndef MBEDTLS_PUT_UINT32_BE
|
||||
#define MBEDTLS_PUT_UINT32_BE(n,b,i) \
|
||||
do { \
|
||||
(b)[(i) ] = (unsigned char) ( (n) >> 24 ); \
|
||||
(b)[(i) + 1] = (unsigned char) ( (n) >> 16 ); \
|
||||
(b)[(i) + 2] = (unsigned char) ( (n) >> 8 ); \
|
||||
(b)[(i) + 3] = (unsigned char) ( (n) ); \
|
||||
#define MBEDTLS_PUT_UINT32_BE( n, data, offset ) \
|
||||
do { \
|
||||
( data )[( offset ) ] = (unsigned char) ( (n) >> 24 ); \
|
||||
( data )[( offset ) + 1] = (unsigned char) ( (n) >> 16 ); \
|
||||
( data )[( offset ) + 2] = (unsigned char) ( (n) >> 8 ); \
|
||||
( data )[( offset ) + 3] = (unsigned char) ( (n) ); \
|
||||
} while( 0 )
|
||||
#endif
|
||||
|
||||
/**
|
||||
* 32-bit integer manipulation GET macros (little endian)
|
||||
* Get the unsigned 32 bits integer corresponding to four bytes in
|
||||
* little-endian order (LSB first).
|
||||
*
|
||||
* \brief Use this to assign an unsigned 32 bit integer
|
||||
* by taking data stored adjacent in memory that
|
||||
* can be accessed via on offset
|
||||
* Little Endian is used when wanting to
|
||||
* transmit the least signifcant bits first
|
||||
*
|
||||
* \param data The data used to translate to a 32 bit
|
||||
* integer
|
||||
* \param offset the shift in bytes to access the next byte
|
||||
* of data
|
||||
* \param data Base address of the memory to get the four bytes from.
|
||||
* \param offset Offset from \p base of the first and least significant
|
||||
* byte of the four bytes to build the 32 bits unsigned
|
||||
* integer from.
|
||||
*/
|
||||
#ifndef MBEDTLS_GET_UINT32_LE
|
||||
#define MBEDTLS_GET_UINT32_LE( data, offset ) \
|
||||
@ -152,44 +135,32 @@
|
||||
#endif
|
||||
|
||||
/**
|
||||
* 32-bit integer manipulation PUT macros (little endian)
|
||||
* Put in memory a 32 bits unsigned integer in little-endian order.
|
||||
*
|
||||
* \brief Read from a 32 bit integer and store each byte
|
||||
* in memory, offset by a specified amount, resulting
|
||||
* in each byte being adjacent in memory.
|
||||
* Little Endian is used when wanting to
|
||||
* transmit the least signifcant bits first
|
||||
*
|
||||
* \param n 32 bit integer where data is accessed
|
||||
* \param b const unsigned char array of data to be
|
||||
* manipulated
|
||||
* \param i offset in bytes, In the case of UINT32, i
|
||||
* would increment by 4 every use assuming
|
||||
* the data is being stored in the same location
|
||||
* \param n 32 bits unsigned integer to put in memory
|
||||
* \param data Base address of the memory where to put the 32
|
||||
* bits unsigned integer in.
|
||||
* \param offset Offset from \p base where to put the least significant
|
||||
* byte of the 32 bits unsigned integer \p n.
|
||||
*/
|
||||
#ifndef MBEDTLS_PUT_UINT32_LE
|
||||
#define MBEDTLS_PUT_UINT32_LE(n,b,i) \
|
||||
do { \
|
||||
(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 ); \
|
||||
#define MBEDTLS_PUT_UINT32_LE( n, data, offset ) \
|
||||
do { \
|
||||
( data )[( offset ) ] = (unsigned char) ( ( (n) ) & 0xFF ); \
|
||||
( data )[( offset ) + 1] = (unsigned char) ( ( (n) >> 8 ) & 0xFF ); \
|
||||
( data )[( offset ) + 2] = (unsigned char) ( ( (n) >> 16 ) & 0xFF ); \
|
||||
( data )[( offset ) + 3] = (unsigned char) ( ( (n) >> 24 ) & 0xFF ); \
|
||||
} while( 0 )
|
||||
#endif
|
||||
|
||||
/**
|
||||
* 16-bit integer manipulation GET macros (little endian)
|
||||
* Get the unsigned 16 bits integer corresponding to four bytes in
|
||||
* little-endian order (LSB first).
|
||||
*
|
||||
* \brief Use this to assign an unsigned 16 bit integer
|
||||
* by taking data stored adjacent in memory that
|
||||
* can be accessed via on offset
|
||||
* Little Endian is used when wanting to
|
||||
* transmit the least signifcant bits first
|
||||
*
|
||||
* \param data The data used to translate to a 16 bit
|
||||
* integer
|
||||
* \param offset the shit in bytes to access the next byte
|
||||
* of data
|
||||
* \param data Base address of the memory to get the four bytes from.
|
||||
* \param offset Offset from \p base of the first and least significant
|
||||
* byte of the four bytes to build the 16 bits unsigned
|
||||
* integer from.
|
||||
*/
|
||||
#ifndef MBEDTLS_GET_UINT16_LE
|
||||
#define MBEDTLS_GET_UINT16_LE( data, offset ) \
|
||||
@ -200,26 +171,19 @@
|
||||
#endif
|
||||
|
||||
/**
|
||||
* 16-bit integer manipulation PUT macros (little endian)
|
||||
* Put in memory a 16 bits unsigned integer in little-endian order.
|
||||
*
|
||||
* \brief Read from a 16 bit integer and store each byte
|
||||
* in memory, offset by a specified amount, resulting
|
||||
* in each byte being adjacent in memory.
|
||||
* Little Endian is used when wanting to
|
||||
* transmit the least signifcant bits first
|
||||
*
|
||||
* \param n 16 bit integer where data is accessed
|
||||
* \param b const unsigned char array of data to be
|
||||
* manipulated
|
||||
* \param i offset in bytes, In the case of UINT16, i
|
||||
* would increment by 2 every use assuming
|
||||
* the data is being stored in the same location
|
||||
* \param n 16 bits unsigned integer to put in memory
|
||||
* \param data Base address of the memory where to put the 16
|
||||
* bits unsigned integer in.
|
||||
* \param offset Offset from \p base where to put the least significant
|
||||
* byte of the 16 bits unsigned integer \p n.
|
||||
*/
|
||||
#ifndef MBEDTLS_PUT_UINT16_LE
|
||||
#define MBEDTLS_PUT_UINT16_LE( n, b, i ) \
|
||||
{ \
|
||||
(b)[(i) ] = (unsigned char) ( ( (n) ) & 0xFF ); \
|
||||
(b)[(i) + 1] = (unsigned char) ( ( (n) >> 8 ) & 0xFF ); \
|
||||
#define MBEDTLS_PUT_UINT16_LE( n, data, offset ) \
|
||||
{ \
|
||||
( data )[( offset ) ] = (unsigned char) ( ( (n) ) & 0xFF ); \
|
||||
( data )[( offset ) + 1] = (unsigned char) ( ( (n) >> 8 ) & 0xFF ); \
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user