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Added assertion test for the buffer alignment padding size.

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This commit is contained in:
Olaf Barthel
2023-09-06 13:22:07 +02:00
parent e4a703000a
commit 45d118101a
1 changed files with 2 additions and 0 deletions
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library/stdio_setvbuf.c
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@ -125,6 +125,8 @@ setvbuf(FILE *stream,char *buf,int bufmode,size_t size)
allocate some memory for it. */ allocate some memory for it. */
if(size > 0 && buf == NULL) if(size > 0 && buf == NULL)
{ {
assert( size <= ((size + (__cache_line_size-1)) & ~(__cache_line_size-1)) );
/* Allocate a little more memory than necessary. */ /* Allocate a little more memory than necessary. */
new_buffer = malloc(size + (__cache_line_size-1)); new_buffer = malloc(size + (__cache_line_size-1));
if(new_buffer == NULL) if(new_buffer == NULL)