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Update PZN to new (as of 2013) PZN-8 standard

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Bug fix by Milton Neil
This commit is contained in:
Robin Stuart 2017-03-04 07:44:32 +00:00
parent 726fb64c02
commit b2123f78a3
1 changed files with 8 additions and 8 deletions
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16
backend/code.c
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@ -293,10 +293,10 @@ int pharmazentral(struct zint_symbol *symbol, unsigned char source[], int length
int i, error_number, zeroes;
unsigned int count, check_digit;
char localstr[10];
char localstr[11];
count = 0;
if (length > 6) {
if (length > 7) {
strcpy(symbol->errtxt, "Input wrong length (C25)");
return ZINT_ERROR_TOO_LONG;
}
@ -307,22 +307,22 @@ int pharmazentral(struct zint_symbol *symbol, unsigned char source[], int length
}
localstr[0] = '-';
zeroes = 6 - length + 1;
zeroes = 7 - length + 1;
for (i = 1; i < zeroes; i++)
localstr[i] = '0';
strcpy(localstr + zeroes, (char *) source);
for (i = 1; i < 7; i++) {
count += (i + 1) * ctoi(localstr[i]);
for (i = 1; i < 8; i++) {
count += i * ctoi(localstr[i]);
}
check_digit = count % 11;
if (check_digit == 11) {
check_digit = 0;
}
localstr[7] = itoc(check_digit);
localstr[8] = '\0';
if (localstr[7] == 'A') {
localstr[8] = itoc(check_digit);
localstr[9] = '\0';
if (localstr[8] == 'A') {
strcpy(symbol->errtxt, "Invalid PZN Data (C27)");
return ZINT_ERROR_INVALID_DATA;
}