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fix memmove if len=0

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This commit is contained in:
merlokk 2019-02-05 18:39:03 +02:00
commit 69f3e65dd0
1 changed files with 13 additions and 11 deletions
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2
armsrc/iso14443a.c
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@ -2287,11 +2287,13 @@ int iso14_apdu(uint8_t *cmd, uint16_t cmd_len, bool send_chaining, void *data, u
} }
if (len) {
// cut frame byte // cut frame byte
len -= 1; len -= 1;
// memmove(data_bytes, data_bytes + 1, len); // memmove(data_bytes, data_bytes + 1, len);
for (int i = 0; i < len; i++) for (int i = 0; i < len; i++)
data_bytes[i] = data_bytes[i + 1]; data_bytes[i] = data_bytes[i + 1];
}
return len; return len;
} }