The optopt variable is not set if an invalid long option is used, so
check the current option character instead.
Signed-off-by: Thomas Wood <thomas.wood@xxxxxxxxx>
---
tests/testdisplay.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/tests/testdisplay.c b/tests/testdisplay.c
index 09e07f0..8c6bc62 100644
--- a/tests/testdisplay.c
+++ b/tests/testdisplay.c
@@ -545,7 +545,7 @@ int update_display(void)
static char optstr[] = "3hiaf:s:d:p:mrto:j:";
-static void __attribute__((noreturn)) usage(char *name)
+static void __attribute__((noreturn)) usage(char *name, char opt)
{
igt_info("usage: %s [-hiasdpmtf]\n", name);
igt_info("\t-i\tdump info\n");
@@ -563,7 +563,7 @@ static void __attribute__((noreturn)) usage(char *name)
igt_info("\t\t<vdisp>,<vsync-start>,<vsync-end>,<vtotal>\n");
igt_info("\t\ttest force mode\n");
igt_info("\tDefault is to test all modes.\n");
- exit((optopt) ? -1 : 0);
+ exit((opt != 'h') ? -1 : 0);
}
#define dump_resource(res) if (res) dump_##res()
@@ -665,7 +665,7 @@ int main(int argc, char **argv)
if(sscanf(optarg,"%f,%hu,%hu,%hu,%hu,%hu,%hu,%hu,%hu",
&force_clock,&force_timing.hdisplay, &force_timing.hsync_start,&force_timing.hsync_end,&force_timing.htotal,
&force_timing.vdisplay, &force_timing.vsync_start, &force_timing.vsync_end, &force_timing.vtotal)!= 9)
- usage(argv[0]);
+ usage(argv[0], c);
force_timing.clock = force_clock*1000;
break;
@@ -685,7 +685,7 @@ int main(int argc, char **argv)
if (sscanf(optarg, "%d,%d,%d,%d,%d,%d", &plane_width,
&plane_height, &crtc_x, &crtc_y,
&crtc_w, &crtc_h) != 6)
- usage(argv[0]);
+ usage(argv[0], c);
test_plane = 1;
break;
case 'm':
@@ -707,7 +707,7 @@ int main(int argc, char **argv)
default:
/* fall through */
case 'h':
- usage(argv[0]);
+ usage(argv[0], c);
break;
}
}
--
2.1.0
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