utils: add 'returns' doc to osmo_hexparse().

2015-09-23 23:16:53 +02:00 · 2015-09-23 23:16:53 +02:00 · 3de7b05d85
parent c2ddc4f555
commit 3de7b05d85
1 changed files with 1 additions and 0 deletions
--- a/src/utils.c
+++ b/src/utils.c
@ -101,6 +101,7 @@ uint8_t osmo_char2bcd(char c)
 *  \param[in] str string containing ASCII encoded hexadecimal digits
 *  \param[out] b output buffer
 *  \param[in] max_len maximum space in output buffer
+ *  \returns number of parsed octets, or -1 on error
 */
 int osmo_hexparse(const char *str, uint8_t *b, int max_len)