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fix(lib): avoid possible UB of calling memset on a null ptr when 0 is passed into array_grow_by

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This commit is contained in:
Amaan Qureshi 2024-03-12 23:21:16 -04:00
parent 1ff40f5571
commit 30fd71f5ac
1 changed files with 6 additions and 3 deletions
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9
lib/src/array.h
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@ -66,9 +66,12 @@ extern "C" {
/// Increase the array's size by `count` elements.
/// New elements are zero-initialized.
#define array_grow_by(self, count) \
(_array__grow((Array *)(self), count, array_elem_size(self)), \
memset((self)->contents + (self)->size, 0, (count) * array_elem_size(self)), \
(self)->size += (count))
do { \
if ((count) == 0) break; \
_array__grow((Array *)(self), count, array_elem_size(self)); \
memset((self)->contents + (self)->size, 0, (count) * array_elem_size(self)); \
(self)->size += (count); \
} while (0)
/// Append all elements from one array to the end of another.
#define array_push_all(self, other) \