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netbsd reallocarr updates errno handling. #499

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netbsd reallocarr updates errno handling. #499

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9 changes: 7 additions & 2 deletions src/alloc-posix.c
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Original file line number Diff line number Diff line change
Expand Up @@ -98,10 +98,15 @@ void* mi_reallocarray( void* p, size_t count, size_t size ) mi_attr_noexcept {

int mi_reallocarr( void* p, size_t count, size_t size ) mi_attr_noexcept { // NetBSD
mi_assert(p != NULL);
if (p == NULL) return EINVAL; // should we set errno as well?
if (p == NULL) {
errno = EINVAL;
return errno;
}
int s_errno = errno;
void** op = (void**)p;
void* newp = mi_reallocarray(*op, count, size);
if (mi_unlikely(newp == NULL)) return errno;
if (mi_unlikely(newp == NULL)) { return errno; }
errno = s_errno;
*op = newp;
return 0;
}
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