* or 100;100@25;0
* This means 100 mallocs succeed, then next 100 fail 25% of the time, and
* all remaining (count is zero) succeed.
+ * The failure percentge can have 2 digits after the comma. For example:
+ * 0@0.01
+ * This means 0.01% of all allocations will fail.
*/
static void parseit(void)
{
/* Get the count (atol will stop at the @ if there), and percentage */
md_count = atol(md_failstring);
atsign = strchr(md_failstring, '@');
- md_fail_percent = atsign == NULL ? 0 : atoi(atsign + 1);
+ md_fail_percent = atsign == NULL ? 0 : (int)(atof(atsign + 1) * 100 + 0.5);
if (semi != NULL)
md_failstring = semi;
*/
static int shouldfail(void)
{
- int roll = (int)(random() % 100);
+ int roll = (int)(random() % 10000);
int shoulditfail = roll < md_fail_percent;
# ifndef _WIN32
/* suppressed on Windows as POSIX-like file descriptors are non-inheritable */
parseit();
if ((cp = getenv("OPENSSL_MALLOC_FD")) != NULL)
md_tracefd = atoi(cp);
+ if ((cp = getenv("OPENSSL_MALLOC_SEED")) != NULL)
+ srandom(atoi(cp));
}
#endif