Mirrors/zint
1
0
Fork 0
mirror of https://git.code.sf.net/p/zint/code synced 2025-12-17 18:07:02 +00:00
Code Issues Projects Releases Wiki Activity

Re commit [789e04] and [86363f] allow prefixes without check digit

Browse Source
This commit is contained in:
gitlost
2025-04-21 18:45:23 +01:00
parent 3592edd64e
commit 51ebca182c
12 changed files with 400 additions and 393 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
backend/code128_based.c
View File

@@ -54,13 +54,14 @@ static int nve18_or_ean14(struct zint_symbol *symbol, const unsigned char source
unsigned char check_digit;
int error_number;
/* Allow and ignore any AI prefix, but only if have check digit */
if (length == data_len + 1 + 4
/* Allow and ignore any AI prefix */
if ((length == data_len + 4 || length == data_len + 1 + 4)
&& (memcmp(source, prefix[idx][0], 4) == 0 || memcmp(source, prefix[idx][1], 4) == 0)) {
source += 4;
length -= 4;
/* Likewise initial '01' (EAN-14) or '00' (NVE-18), if have check digit */
} else if (length == data_len + 1 + 2 && source[0] == prefix[idx][0][1] && source[1] == prefix[idx][0][2]) {
/* Likewise initial '01' (EAN-14) or '00' (NVE-18) */
} else if ((length == data_len + 2 || length == data_len + 1 + 2)
&& source[0] == prefix[idx][0][1] && source[1] == prefix[idx][0][2]) {
source += 2;
length -= 2;
}