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

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gitlost 2025-04-21 18:45:23 +01:00
parent 3592edd64e
commit 51ebca182c
12 changed files with 400 additions and 393 deletions
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8
backend/2of5inter_based.c
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@ -46,12 +46,12 @@ INTERNAL int itf14(struct zint_symbol *symbol, unsigned char source[], int lengt
unsigned char have_check_digit = '\0';
unsigned char check_digit;
/* Allow and ignore any AI prefix, but only if have check digit */
if (length == 18 && (memcmp(source, "[01]", 4) == 0 || memcmp(source, "(01)", 4) == 0)) {
/* Allow and ignore any AI prefix */
if ((length == 17 || length == 18) && (memcmp(source, "[01]", 4) == 0 || memcmp(source, "(01)", 4) == 0)) {
source += 4;
length -= 4;
/* Likewise initial '01', if have check digit */
} else if (length == 16 && source[0] == '0' && source[1] == '1') {
/* Likewise initial '01' */
} else if ((length == 15 || length == 16) && source[0] == '0' && source[1] == '1') {
source += 2;
length -= 2;
}