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Improve naming of local variables in MPS reader implementation

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Signed-off-by: Hanno Becker <hanno.becker@arm.com>
This commit is contained in:
Hanno Becker 2021-03-08 16:23:26 +00:00
parent 00931492da
commit 032b352684
1 changed files with 13 additions and 13 deletions
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26
library/mps_reader.c
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@ -179,13 +179,13 @@ int mbedtls_mps_reader_feed( mbedtls_mps_reader *rd,
if( mps_reader_is_accumulating( rd ) ) if( mps_reader_is_accumulating( rd ) )
{ {
unsigned char *acc = rd->acc; unsigned char *acc = rd->acc;
mbedtls_mps_size_t ar = rd->acc_share.acc_remaining; mbedtls_mps_size_t acc_remaining = rd->acc_share.acc_remaining;
mbedtls_mps_size_t aa = rd->acc_available; mbedtls_mps_size_t acc_available = rd->acc_available;
/* Skip over parts of the accumulator that have already been filled. */ /* Skip over parts of the accumulator that have already been filled. */
acc += aa; acc += acc_available;
copy_to_acc = ar; copy_to_acc = acc_remaining;
if( copy_to_acc > new_frag_len ) if( copy_to_acc > new_frag_len )
copy_to_acc = new_frag_len; copy_to_acc = new_frag_len;
@ -195,16 +195,16 @@ int mbedtls_mps_reader_feed( mbedtls_mps_reader *rd,
MBEDTLS_MPS_TRACE( mbedtls_mps_trace_comment, MBEDTLS_MPS_TRACE( mbedtls_mps_trace_comment,
"Copy new data of size %u of %u into accumulator at offset %u", "Copy new data of size %u of %u into accumulator at offset %u",
(unsigned) copy_to_acc, (unsigned) new_frag_len, (unsigned) aa ); (unsigned) copy_to_acc, (unsigned) new_frag_len, (unsigned) acc_available );
/* Check if, with the new fragment, we have enough data. */ /* Check if, with the new fragment, we have enough data. */
ar -= copy_to_acc; acc_remaining -= copy_to_acc;
if( ar > 0 ) if( acc_remaining > 0 )
{ {
/* We need to accumulate more data. Stay in producing mode. */ /* We need to accumulate more data. Stay in producing mode. */
aa += copy_to_acc; acc_available += copy_to_acc;
rd->acc_share.acc_remaining = ar; rd->acc_share.acc_remaining = acc_remaining;
rd->acc_available = aa; rd->acc_available = acc_available;
MBEDTLS_MPS_TRACE_RETURN( MBEDTLS_ERR_MPS_READER_NEED_MORE ); MBEDTLS_MPS_TRACE_RETURN( MBEDTLS_ERR_MPS_READER_NEED_MORE );
} }
@ -214,9 +214,9 @@ int mbedtls_mps_reader_feed( mbedtls_mps_reader *rd,
"Enough data available to serve user request" ); "Enough data available to serve user request" );
/* Remember overlap of accumulator and fragment. */ /* Remember overlap of accumulator and fragment. */
rd->acc_share.frag_offset = aa; rd->acc_share.frag_offset = acc_available;
aa += copy_to_acc; acc_available += copy_to_acc;
rd->acc_available = aa; rd->acc_available = acc_available;
} }
else /* Not accumulating */ else /* Not accumulating */
{ {