pkarashchenko commented on code in PR #9151:
URL: https://github.com/apache/nuttx/pull/9151#discussion_r1182682990
##########
mm/umm_heap/umm_realloc.c:
##########
@@ -83,7 +77,7 @@ FAR void *realloc(FAR void *oldmem, size_t size)
mem = mm_realloc(USR_HEAP, oldmem, size);
if (!mem)
{
- brkaddr = sbrk(size);
+ brkaddr = sbrk(size < 1 ? 1 : size);
Review Comment:
```
TLSF_API void* tlsf_realloc(tlsf_t tlsf, void* ptr, size_t size)
{
control_t* control = tlsf_cast(control_t*, tlsf);
void* p = 0;
/* Zero-size requests are treated as free. */
if (ptr && size == 0)
{
tlsf_free(tlsf, ptr);
}
```
so `tlsf_realloc` is not compliant with the latest POSIX spec
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