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amixer: don't show help on argument parsing error

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Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2021-05-10 16:31:06 +02:00
parent 71003a2acb
commit bc80344625
1 changed files with 10 additions and 11 deletions
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21
amixer/amixer.c
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@ -1772,7 +1772,7 @@ static int exec_stdin(void)
int main(int argc, char *argv[])
{
int morehelp, retval, level = 0;
int badopt, retval, level = 0;
int read_stdin = 0;
static const struct option long_option[] =
{
@ -1791,7 +1791,7 @@ int main(int argc, char *argv[])
{NULL, 0, NULL, 0},
};
morehelp = 0;
badopt = 0;
while (1) {
int c;
@ -1812,8 +1812,8 @@ int main(int argc, char *argv[])
sprintf(card, "hw:%i", i);
#endif
else {
fprintf(stderr, "Invalid card number.\n");
morehelp++;
fprintf(stderr, "Invalid card number '%s'.\n", optarg);
badopt++;
}
}
break;
@ -1835,7 +1835,7 @@ int main(int argc, char *argv[])
break;
case 'v':
printf("amixer version " SND_UTIL_VERSION_STR "\n");
return 1;
return 0;
case 'a':
smixer_level = 1;
memset(&smixer_options, 0, sizeof(smixer_options));
@ -1846,7 +1846,7 @@ int main(int argc, char *argv[])
smixer_options.abstract = SND_MIXER_SABSTRACT_BASIC;
else {
fprintf(stderr, "Select correct abstraction level (none or basic)...\n");
morehelp++;
badopt++;
}
break;
case 's':
@ -1859,14 +1859,13 @@ int main(int argc, char *argv[])
std_vol_type = VOL_MAP;
break;
default:
fprintf(stderr, "Invalid switch or option needs an argument.\n");
morehelp++;
fprintf(stderr, "Invalid switch or option -%c needs an argument.\n", c);
badopt++;
}
}
if (morehelp) {
help();
if (badopt)
return 1;
}
smixer_options.device = card;
if (read_stdin) {