diff options
| -rw-r--r-- | src/core/utils.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/core/utils.c b/src/core/utils.c index 882eb6f6..1ec940d0 100644 --- a/src/core/utils.c +++ b/src/core/utils.c @@ -147,13 +147,15 @@ uint8_t osmo_char2bcd(char c) */ int osmo_bcd2str(char *dst, size_t dst_size, const uint8_t *bcd, int start_nibble, int end_nibble, bool allow_hex) { - char *dst_end = dst + dst_size - 1; + char *dst_end; int nibble_i; int rc = 0; if (!dst || dst_size < 1 || start_nibble < 0) return -ENOMEM; + dst_end = dst + dst_size - 1; + for (nibble_i = start_nibble; nibble_i < end_nibble && dst < dst_end; nibble_i++, dst++) { uint8_t nibble = bcd[nibble_i >> 1]; if ((nibble_i & 1)) |