diff options
Diffstat (limited to 'src/iu_helpers.c')
| -rw-r--r-- | src/iu_helpers.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/src/iu_helpers.c b/src/iu_helpers.c index 5064665..fee51bc 100644 --- a/src/iu_helpers.c +++ b/src/iu_helpers.c @@ -25,22 +25,23 @@ int decode_iu_bcd(char *out, size_t out_len, const uint8_t *in, size_t in_len) int encode_iu_imsi(uint8_t *out, size_t out_len, const char *in) { unsigned int len = strlen(in); + unsigned int octlen; uint8_t odd = (len & 0x01) == 1; unsigned int off = 0; unsigned int i; - len /= 2; + octlen = len/2; if (odd) - len++; + octlen++; - for (i = 0; i < len; i++) { + for (i = 0; i < octlen; i++) { uint8_t lower, upper; - lower = osmo_char2bcd(in[++off]) & 0x0f; - if (!odd && off + 1 == len) + lower = osmo_char2bcd(in[off++]) & 0x0f; + if (odd && off == len) upper = 0x0f; else - upper = osmo_char2bcd(in[++off]) & 0x0f; + upper = osmo_char2bcd(in[off++]) & 0x0f; out[i] = (upper << 4) | lower; } |