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Fix invalid read

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This commit is contained in:
Klemen Plestenjak
2023-11-15 16:26:02 +01:00
parent a02cce0966
commit 79adcad8de
2 changed files with 13 additions and 3 deletions
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6
engine/breeze/utils/array.c
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@@ -79,8 +79,10 @@ i32 _bzArrayIns(void *arr, i32 idx) {
BZ_ASSERT(idx >= 0 && idx <= head->size);
BZ_ASSERT(head->size + 1 <= head->capacity);
bzMemMove((u8 *) arr + (idx + 1) * head->stride,
(u8 *) arr + idx * head->stride, head->stride);
if (idx != head->size) {
bzMemMove((u8 *) arr + (idx + 1) * head->stride,
(u8 *) arr + idx * head->stride, head->stride);
}
head->size++;
return idx;
}

10
engine/tests/array_test.c
View File

@@ -38,10 +38,18 @@ int main(void) {
bzArrayPush(arr, 2);
bzArrayPush(arr, 3);
bzArrayPush(arr, 4);
for (j = 0; j < bzArraySize(arr); j++) {
printf("%d ", bzArrayGet(arr, j));
}
printf("\n");
bzArrayIns(arr, i, 5);
BZ_ASSERT(arr[i] == 5);
for (j = 0; j < bzArraySize(arr); j++) {
printf("%d ", bzArrayGet(arr, j));
}
printf("\n\n");
if (i < 4)
BZ_ASSERT(arr[4] == 4);
BZ_ASSERT(bzArrayGet(arr, 4) == 4);
bzArrayFree(arr);
arr = bzArrayNew(int, 5);
}