tools: Fix unused variable warnings for WISPr client

diff --git a/tools/wispr.c b/tools/wispr.c
index a0002ba..0792f5b 100644 (file)
--- a/tools/wispr.c
+++ b/tools/wispr.c
@@ -307,10 +307,14 @@ struct user_input_data {
 static void user_callback(struct user_input_data *data)
 {
        char *value;
-       int len;
 
-       if (data->hidden == TRUE)
+       if (data->hidden == TRUE) {
+               ssize_t len;
+
                len = write(data->fd, "\n", 1);
+               if (len < 0)
+                       return;
+       }
 
        tcsetattr(data->fd, TCSADRAIN, &data->saved_termios);
 
@@ -358,7 +362,7 @@ static gboolean user_input(const char *label, gboolean hidden,
        struct termios new_termios;
        GIOChannel *channel;
        guint watch;
-       int len;
+       ssize_t len;
 
        data = g_try_new0(struct user_input_data, 1);
        if (data == NULL)
@@ -398,7 +402,12 @@ static gboolean user_input(const char *label, gboolean hidden,
                goto error;
 
        len = write(data->fd, label, strlen(label));
+       if (len < 0)
+               goto error;
+
        len = write(data->fd, ": ", 2);
+       if (len < 0)
+               goto error;
 
        return TRUE;