diff options
| -rw-r--r-- | utils/tinymix.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/utils/tinymix.c b/utils/tinymix.c index fdb774c..41ca269 100644 --- a/utils/tinymix.c +++ b/utils/tinymix.c @@ -146,6 +146,16 @@ int main(int argc, char **argv) return EXIT_SUCCESS; } +static int isnumber(const char *str) { + char *end; + + if (str == NULL || strlen(str) == 0) + return 0; + + strtol(str, &end, 0); + return strlen(end) == 0; +} + static void tinymix_list_controls(struct mixer *mixer, int print_all) { struct mixer_ctl *ctl; @@ -201,7 +211,7 @@ static void tinymix_detail_control(struct mixer *mixer, const char *control) int ret; char *buf = NULL; - if (isdigit(control[0])) + if (isnumber(control)) ctl = mixer_get_ctl(mixer, atoi(control)); else ctl = mixer_get_ctl_by_name(mixer, control); @@ -469,7 +479,7 @@ static int tinymix_set_value(struct mixer *mixer, const char *control, struct mixer_ctl *ctl; enum mixer_ctl_type type; - if (isdigit(control[0])) + if (isnumber(control)) ctl = mixer_get_ctl(mixer, atoi(control)); else ctl = mixer_get_ctl_by_name(mixer, control); |