aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--tinymix.c18
1 files changed, 17 insertions, 1 deletions
diff --git a/tinymix.c b/tinymix.c
index afc2fee..7deac12 100644
--- a/tinymix.c
+++ b/tinymix.c
@@ -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]);