diff options
| author | Martial Simon <msimon_fr@hotmail.com> | 2025-09-15 01:07:58 +0200 |
|---|---|---|
| committer | Martial Simon <msimon_fr@hotmail.com> | 2025-09-15 01:07:58 +0200 |
| commit | 967be9e750221ab2ab783f95df79bb26d290a45e (patch) | |
| tree | 6802900a5e975f9f68b169f0f503f040056d6952 /malloc/beware_overflow/main.c | |
Diffstat (limited to 'malloc/beware_overflow/main.c')
| -rw-r--r-- | malloc/beware_overflow/main.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/malloc/beware_overflow/main.c b/malloc/beware_overflow/main.c new file mode 100644 index 0000000..42fd689 --- /dev/null +++ b/malloc/beware_overflow/main.c @@ -0,0 +1,21 @@ +#include <stddef.h> +#include <stdio.h> + +#include "beware_overflow.h" + +void print_overflow(void *ptr, size_t nmemb, size_t size) +{ + void *begin = ptr; + void *res = beware_overflow(ptr, nmemb, size); + if (res) + printf("Pointer was incremented from %p to %p.\n", begin, res); + else + printf("Overflow detected between %ld and %ld.\n", nmemb, size); +} + +int main(void) +{ + print_overflow((void *)0x1000, 25, 6); + print_overflow((void *)0x40000, 12345678904, 12345678904); + return 0; +} |
