diff options
-rw-r--r-- | src/misc.c | 9 |
1 files changed, 5 insertions, 4 deletions
@@ -19,6 +19,7 @@ #include "misc.h" #include <stdarg.h> +#include <stdint.h> #include <stdio.h> #include <stdlib.h> #include <string.h> @@ -328,12 +329,12 @@ void grow_memory_block(struct memory_block *a, size_t amount) if (new_cap == 0) { new_cap = 8; } else { + if (new_cap > SIZE_MAX / 2) { + fprintf(stderr, "Memory block too large."); + abort(); + } new_cap *= 2; } - if (new_cap < 0) { // Overflow - fprintf(stderr, "Memory block too large."); - abort(); - } } a->ptr = (char *)realloc(a->ptr, new_cap); a->capacity = new_cap; |