diff options
| -rw-r--r-- | src/gsm/gsm_utils.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/gsm/gsm_utils.c b/src/gsm/gsm_utils.c index 8d072a1f..3f3a73f6 100644 --- a/src/gsm/gsm_utils.c +++ b/src/gsm/gsm_utils.c @@ -250,16 +250,17 @@ int gsm_septets2octets(uint8_t *result, uint8_t *rdata, uint8_t septet_len, uint /* GSM 03.38 6.2.1 Character packing */ int gsm_7bit_encode(uint8_t *result, const char *data) { - int y = 0, z = 0; + int y = 0; + /* prepare for the worst case, every character expanding to two bytes */ uint8_t *rdata = calloc(strlen(data) * 2, sizeof(uint8_t)); y = gsm_septet_encode(rdata, data); - z = gsm_septets2octets(result, rdata, y, 0); + gsm_septets2octets(result, rdata, y, 0); free(rdata); /* - * We don't care about the number of octets (z), because they are not + * We don't care about the number of octets, because they are not * unique. E.g.: * 1.) 46 non-extension characters + 1 extension character * => (46 * 7 bit + (1 * (2 * 7 bit))) / 8 bit = 42 octets |