diff options
| -rw-r--r-- | tinymix.c | 18 |
1 files changed, 17 insertions, 1 deletions
@@ -31,6 +31,8 @@ #include <stdlib.h> #include <ctype.h> #include <string.h> +#include <limits.h> +#include <errno.h> static void tinymix_list_controls(struct mixer *mixer); static void tinymix_detail_control(struct mixer *mixer, const char *control, @@ -175,6 +177,20 @@ static void tinymix_detail_control(struct mixer *mixer, const char *control, printf("\n"); } +static int is_int(char *value) +{ + char* end; + long int result; + + errno = 0; + result = strtol(value, &end, 10); + + if (result == LONG_MIN || result == LONG_MAX) + return 0; + + return errno == 0 && *end == '\0'; +} + static void tinymix_set_value(struct mixer *mixer, const char *control, char **values, unsigned int num_values) { @@ -196,7 +212,7 @@ static void tinymix_set_value(struct mixer *mixer, const char *control, type = mixer_ctl_get_type(ctl); num_ctl_values = mixer_ctl_get_num_values(ctl); - if (isdigit(values[0][0])) { + if (is_int(values[0])) { if (num_values == 1) { /* Set all values the same */ int value = atoi(values[0]); |