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freetype2
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Code Issues 9 Releases Wiki Activity

* src/sfnt/sfwoff2.c (compute_ULong_sum): Clean up.

This commit is contained in:
Alexei Podtelezhnikov 2024-05-01 00:34:21 -04:00
parent 2c9691e7c1
commit 13da904267
1 changed files with 3 additions and 9 deletions
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12
src/sfnt/sfwoff2.c
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@ -289,7 +289,6 @@
FT_ULong checksum = 0;
FT_ULong aligned_size = size & ~3UL;
FT_ULong i;
FT_ULong v;
for ( i = 0; i < aligned_size; i += 4 )
@ -298,14 +297,9 @@
( (FT_ULong)buf[i + 2] << 8 ) |
( (FT_ULong)buf[i + 3] << 0 );
/* If size is not aligned to 4, treat as if it is padded with 0s. */
if ( size != aligned_size )
{
v = 0;
for ( i = aligned_size ; i < size; ++i )
v |= (FT_ULong)buf[i] << ( 24 - 8 * ( i & 3 ) );
checksum += v;
}
/* remaining bytes can be shifted and added one at a time */
for ( ; i < size; ++i )
checksum += (FT_ULong)buf[i] << ( 24 - 8 * ( i & 3 ) );
return checksum;
}