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| author | Holger Hans Peter Freyther <zecke@selfish.org> | 2010-07-20 02:54:54 +0800 |
|---|---|---|
| committer | Holger Hans Peter Freyther <zecke@selfish.org> | 2010-07-20 02:54:54 +0800 |
| commit | 446bf376984c0ab0453ec79577b590225e36d991 (patch) | |
| tree | 01ee58f769d27d98933ee1fde39fd6e22d5a462a | |
| parent | 31e97ea34ef77388ad27fa1ee2a5084ae238234f (diff) | |
gsm_7bit_decode: Handle the case of the last charachter being an escape
If i + 1 == length and it is an escape charachter we would try
to read rtext[length] which is one after the field we have allocated.
| -rw-r--r-- | src/gsm_utils.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/gsm_utils.c b/src/gsm_utils.c index fb69377f..3a378ace 100644 --- a/src/gsm_utils.c +++ b/src/gsm_utils.c @@ -65,7 +65,7 @@ int gsm_7bit_decode(char *text, const uint8_t *user_data, uint8_t length) } for(i = 0; i < length; i++){ /* this is an extension character */ - if(rtext[i] == 0x1b){ + if(rtext[i] == 0x1b && i + 1 < length){ tmp = rtext[i+1]; *(text++) = gsm_7bit_alphabet[0x7f + tmp]; i++; |