main.c revision d8ded0af25ecdb9746615c607a9c841e87ff95fe
1#include <stdint.h>
2#include <stdio.h>
3
4uint32_t
5recurse_crash (uint32_t depth)
6{
7    if (depth > 0)
8        return recurse_crash (depth - 1);
9    return 0;
10}
11
12int
13main (int argc, char const *argv[])
14{
15    // If we have more than one argument, then it should a depth to recurse to.
16    // If we have just the program name as an argument, use UINT32_MAX so we
17    // eventually crash the program by overflowing the stack
18    uint32_t depth = UINT32_MAX;
19    if (argc > 1)
20    {
21        char *end = NULL;
22        depth = strtoul (argv[1], &end, 0);
23        if (end == NULL || *end != '\0')
24            depth = UINT32_MAX;
25    }
26    recurse_crash (depth);
27    return 0;
28}