static void Cmd_Exec(const char *filename)
{
char *f;
- qboolean isdefaultcfg = strlen(filename) >= 11 && !strcmp(filename + strlen(filename) - 11, "default.cfg");
+ size_t filenameLen = strlen(filename);
+ qboolean isdefaultcfg = filenameLen >= 11 && !strcmp(filename + filenameLen - 11, "default.cfg");
if (!strcmp(filename, "config.cfg"))
{