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Unlatch X12 encodation when there are 2 codewords left in the buffer

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bug report by brunt, ticket #45
This commit is contained in:
Robin Stuart 2016-11-26 11:18:37 +00:00
parent dc36261030
commit 6af035ba98
1 changed files with 6 additions and 19 deletions
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25
backend/dmatrix.c
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@ -1026,27 +1026,14 @@ static int dm200encode_remainder(unsigned char target[], int target_length, cons
break;
case DM_X12:
if (symbols_left == process_p) // Unlatch not required!
{
if (process_p == 1) // 1 data character left to encode.
{
target[target_length] = source[inputlen - 1] + 1;
target_length++;
}
if (process_p == 2) {
// Encode last 2 bytes as ascii.
target[target_length] = source[inputlen - 2] + 1;
target_length++;
target[target_length] = source[inputlen - 1] + 1;
target_length++;
}
}
if (symbols_left > process_p) // Unlatch and encode remaining data in ascii.
{
if ((symbols_left == process_p) && (process_p == 1)) {
// Unlatch not required!
target[target_length] = source[inputlen - 1] + 1;
target_length++;
} else {
target[target_length] = (254);
target_length++; // Unlatch.
if (process_p == 1) {
target[target_length] = source[inputlen - 1] + 1;
target_length++;