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tools: fix tweak-device option parsing

Browse source 
https://bugs.freedesktop.org/show_bug.cgi?id=92880

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Peter Hutterer 2015-11-10 10:08:12 +10:00
parent e11662ac72
commit a95ca2c821
1 changed files with 14 additions and 7 deletions
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21
tools/libevdev-tweak-device.c
View file

@ -238,7 +238,7 @@ error:
}
static enum mode
parse_options_mode(int argc, char **argv, const char **path)
parse_options_mode(int argc, char **argv)
{
int c;
int option_index = 0;
@ -254,7 +254,7 @@ parse_options_mode(int argc, char **argv, const char **path)
if (argc < 2)
return mode;
while (1) {
while (mode == MODE_NONE) {
c = getopt_long(argc, argv, "h", opts, &option_index);
if (c == -1)
break;
@ -278,11 +278,9 @@ parse_options_mode(int argc, char **argv, const char **path)
}
}
if (optind >= argc)
if (optind >= argc && mode != MODE_HELP)
return MODE_NONE;
*path = argv[optind];
return mode;
}
@ -368,7 +366,7 @@ main(int argc, char **argv)
{
struct libevdev *dev = NULL;
int fd = -1;
int rc = 1;
int rc = EXIT_FAILURE;
enum mode mode;
const char *path;
struct input_absinfo absinfo;
@ -379,7 +377,7 @@ main(int argc, char **argv)
int xres = 0,
yres = 0;
mode = parse_options_mode(argc, argv, &path);
mode = parse_options_mode(argc, argv);
switch (mode) {
case MODE_HELP:
rc = EXIT_SUCCESS;
@ -407,8 +405,17 @@ main(int argc, char **argv)
if (rc != EXIT_SUCCESS)
goto out;
if (optind >= argc) {
rc = EXIT_FAILURE;
usage();
goto out;
}
path = argv[optind];
fd = open(path, O_RDWR);
if (fd < 0) {
rc = EXIT_FAILURE;
perror("Failed to open device");
goto out;
}