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Fix compiler warnings

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fix compiler warnings due to unused return values of scanf.
This commit is contained in:
Wim Taymans 2009-02-02 13:08:14 +01:00
parent a5acb2e1a8
commit fe0bba045f
1 changed files with 20 additions and 18 deletions
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38
tests/icles/v4l2src-test.c
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@ -46,6 +46,8 @@ print_options ()
void
run_options (char opt)
{
int res;
switch (opt) {
case 'f':
{
@ -58,8 +60,8 @@ run_options (char opt)
freq = gst_tuner_get_frequency (tuner, channel);
printf ("\ntype the new frequency (current = %u) (-1 to cancel): ", freq);
scanf ("%u", &freq);
if (freq != -1)
res = scanf ("%u", &freq);
if (res != 1 || freq != -1)
gst_tuner_set_frequency (tuner, channel, freq);
}
break;
@ -86,8 +88,8 @@ run_options (char opt)
}
}
printf ("\ntype the number of norm you want (-1 to cancel): ");
scanf ("%d", &next_norm);
if (next_norm < 0) {
res = scanf ("%d", &next_norm);
if (res != 1 || next_norm < 0) {
break;
}
if (index <= next_norm) {
@ -125,8 +127,8 @@ run_options (char opt)
}
}
printf ("\ntype the number of input you want (-1 to cancel): ");
scanf ("%d", &next_channel);
if (next_channel < 0) {
res = scanf ("%d", &next_channel);
if (res != 1 || next_channel < 0) {
break;
}
if (index <= next_channel) {
@ -174,8 +176,8 @@ run_options (char opt)
gst_color_balance_get_value (balance, channel));
}
printf ("\ntype the number of color control you want (-1 to cancel): ");
scanf ("%d", &new_value);
if (new_value == -1)
res = scanf ("%d", &new_value);
if (res != 1 || new_value == -1)
break;
for (item = controls, index = 0; item != NULL && index <= new_value;
item = item->next, ++index) {
@ -184,8 +186,8 @@ run_options (char opt)
printf (" %u - %s (%d - %d) = %d, type the new value: ", index - 1,
channel->label, channel->min_value, channel->max_value,
gst_color_balance_get_value (balance, channel));
scanf ("%d", &new_value);
if (new_value == -1)
res = scanf ("%d", &new_value);
if (res != 1 || new_value == -1)
break;
gst_color_balance_set_value (balance, channel, new_value);
}
@ -203,8 +205,8 @@ run_options (char opt)
printf ("Horizontal flip is %s\n", flip ? "on" : "off");
printf ("\ntype 1 to toggle (-1 to cancel): ");
scanf ("%d", &new_value);
if (new_value == 1) {
res = scanf ("%d", &new_value);
if (res != 1 || new_value == 1) {
flip = !flip;
if (gst_video_orientation_set_hflip (vidorient, flip)) {
gst_video_orientation_get_hflip (vidorient, &flip);
@ -223,8 +225,8 @@ run_options (char opt)
printf ("\nVertical flip is %s\n", flip ? "on" : "off");
printf ("\ntype 1 to toggle (-1 to cancel): ");
scanf ("%d", &new_value);
if (new_value == 1) {
res = scanf ("%d", &new_value);
if (res != 1 || new_value == 1) {
flip = !flip;
if (gst_video_orientation_set_vflip (vidorient, flip)) {
gst_video_orientation_get_vflip (vidorient, &flip);
@ -241,8 +243,8 @@ run_options (char opt)
if (gst_video_orientation_get_hcenter (vidorient, &center)) {
printf ("Horizontal center is %d\n", center);
printf ("\ntype the new horizontal center value (-1 to cancel): ");
scanf ("%d", &center);
if (center != -1) {
res = scanf ("%d", &center);
if (res != 1 || center != -1) {
if (gst_video_orientation_set_hcenter (vidorient, center)) {
gst_video_orientation_get_hcenter (vidorient, &center);
printf ("Now horizontal center is %d\n", center);
@ -258,8 +260,8 @@ run_options (char opt)
if (gst_video_orientation_get_vcenter (vidorient, &center)) {
printf ("Vertical center is %d\n", center);
printf ("\ntype the new vertical center value (-1 to cancel): ");
scanf ("%d", &center);
if (center != -1) {
res = scanf ("%d", &center);
if (res != 1 || center != -1) {
if (gst_video_orientation_set_vcenter (vidorient, center)) {
gst_video_orientation_get_vcenter (vidorient, &center);
printf ("Now vertical center is %d\n", center);