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Enforce alignment even if buffer is not aligned

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Manuel Pégourié-Gonnard 2014-05-05 14:05:24 +02:00 committed by Paul Bakker
parent 4d8db4ab10
commit 82a5de7bf7
1 changed files with 7 additions and 0 deletions
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7
library/memory_buffer_alloc.c
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@ -555,6 +555,13 @@ int memory_buffer_alloc_init( unsigned char *buf, size_t len )
platform_set_malloc_free( buffer_alloc_malloc, buffer_alloc_free );
#endif
if( (size_t) buf % POLARSSL_MEMORY_ALIGN_MULTIPLE )
{
buf += POLARSSL_MEMORY_ALIGN_MULTIPLE
- (size_t) buf % POLARSSL_MEMORY_ALIGN_MULTIPLE;
len -= (size_t) buf % POLARSSL_MEMORY_ALIGN_MULTIPLE;
}
heap.buf = buf;
heap.len = len;