X-Git-Url: http://cloudbase.mooo.com/gitweb/z180-stamp.git/blobdiff_plain/05994bd90cb36f10ff72c6a70d7cecc61b67fb2f..910e72069ea19a79e06e7146a5e42d0bb05a9c2f:/avr/cmd_gpio.c

diff --git a/avr/cmd_gpio.c b/avr/cmd_gpio.c
index 84723d2..d3ef716 100644
--- a/avr/cmd_gpio.c
+++ b/avr/cmd_gpio.c
@@ -1,3 +1,9 @@
+/*
+ * (C) Copyright 2014 Leo C. <erbl259-lmu@yahoo.de>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
 #include "common.h"
 #include <stdlib.h>
 #include <string.h>
@@ -29,7 +35,9 @@ static void pinnames_get(void)
 	memset(pin_names, 0, sizeof(pin_names));
 	pin_names_width = 0;
 
-	if ((lp = getenv(PSTR(ENV_PINALIAS))) != NULL) {
+/* TODO: enters endless loop on wrong parameters */
+
+	if ((lp = getenv_char(PSTR(ENV_PINALIAS))) != NULL) {
 		pin_names[namestr] = strdup(lp);
 		ptr = strtok_P(pin_names[namestr], delim1);
 		while (ptr != NULL) {
@@ -177,7 +185,7 @@ command_ret_t do_gpio(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
 	(void) cmdtp; (void) flag;
 
 	/* reset getopt() */
-	optind = 1;
+	optind = 0;
 
 	int opt;
 	while ((opt = getopt(argc, argv, PSTR("s"))) != -1) {