diff options
Diffstat (limited to 'src/gsm_utils.c')
| -rw-r--r-- | src/gsm_utils.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/src/gsm_utils.c b/src/gsm_utils.c index 3a378ace..1a7ba0e4 100644 --- a/src/gsm_utils.c +++ b/src/gsm_utils.c @@ -51,19 +51,21 @@ int gsm_7bit_decode(char *text, const uint8_t *user_data, uint8_t length) { int i = 0; int l = 0; - uint8_t *rtext = calloc(length, sizeof(uint8_t)); + int septet_l = (length * 8) / 7; + uint8_t *rtext = calloc(septet_l + 1, sizeof(uint8_t)); uint8_t tmp; /* FIXME: We need to account for user data headers here */ i += l; - for (; i < length; i ++){ + for (; i < septet_l; i++){ rtext[i] = ((user_data[(i * 7 + 7) >> 3] << (7 - ((i * 7 + 7) & 7))) | (user_data[(i * 7) >> 3] >> ((i * 7) & 7))) & 0x7f; } - for(i = 0; i < length; i++){ + + for(i = 0; i < septet_l; i++){ /* this is an extension character */ if(rtext[i] == 0x1b && i + 1 < length){ tmp = rtext[i+1]; @@ -139,7 +141,7 @@ int gsm_7bit_encode(uint8_t *result, const char *data) } free(rdata); - return i; + return z; } /* determine power control level for given dBm value, as indicated |