7 Jul
2015
7 Jul
'15
5:54 p.m.
On Wed, 2015-07-01 at 18:20 +0200, Takashi Iwai wrote:
+static int get_hex_num(const char *str) +{
- char *tmp, *s = NULL;
- int i = 0;
- tmp = strdup(str);
- if (tmp == NULL)
return -ENOMEM;- s = strtok(tmp, ",");
- while (s != NULL) {
s = strtok(NULL, ",");i++;- }
- free(tmp);
- return i;
Hmm, this just counts the number of comma + 1, so you don't need to duplicate the string?
The string here is duplicated since strtok is destructive (it overwrites the delimiters with NULL) and the string is being used later on by the calling function.
Liam