card10.cfg: have strtol detect base, fix zero-termination bug for

strings

epicardium/modules/config.c

@@ -73,15 +73,7 @@ static bool set_int(struct config_option *opt, const char *value)
 {
 	char *endptr;
 	size_t len = strlen(value);
-	int base   = 10;
-	if (len > 2 && value[0] == '0' && value[1] == 'x') {
-		base = 16;
-#ifdef CONFIG_ENABLE_OCTAL_NUMBERS
-	} else if (len > 1 && value[0] == '0') {
-		base = 8;
-#endif
-	}
-	int v = strtol(value, &endptr, base);
+	int v      = strtol(value, &endptr, 0);
 	if (endptr != (value + len)) {
 		return false;
 	}
@@ -122,8 +114,9 @@ static bool set_string(struct config_option *opt, const char *value)
 {
 	//this leaks, but the lifetime of these ends when epicardium exits, so...
 	size_t len  = strlen(value);
-	char *leaks = (char *)malloc(len);
+	char *leaks = (char *)malloc(len + 1);
 	strncpy(leaks, value, len);
+	leaks[len]        = '\0';
 	opt->value.string = leaks;
 	LOG_DEBUG("card10.cfg", "setting '%s' to %s", opt->name, elide(leaks));
 	return true;