mirrors/zint-barcode-generator
1
0
Fork 0
mirror of https://git.code.sf.net/p/zint/code synced 2025-05-13 14:44:35 -04:00
Code Issues Projects Releases Packages Wiki Activity

Add leading zeroes rather than fail

Browse source
This commit is contained in:
hooper114 2008-10-12 21:05:53 +00:00
parent 0400d9d280
commit 3db0fa77e4
5 changed files with 140 additions and 80 deletions
Download patch file Download diff file Expand all files Collapse all files

82
backend/code128.c
View file

@ -213,37 +213,6 @@ int code_128(struct zint_symbol *symbol, unsigned char source[])
strcpy(symbol->errtxt, "Input too long [201]");
return ERROR_TOO_LONG;
}
/* Add check digit if encoding an NVE18 symbol */
if(symbol->symbology == BARCODE_NVE18) {
errornum = is_sane(NESET, source);
if(errornum == ERROR_INVALID_DATA) {
strcpy(symbol->errtxt, "Invalid characters in data [202]");
return errornum;
}
if(sourcelen != 17) {
strcpy(symbol->errtxt, "Input wrong length [203]");
return ERROR_TOO_LONG;
}
for(i = sourcelen + 2; i > 1; i--) {
source[i] = source[i - 2];
}
source[0] = '0';
source[1] = '0';
total_sum = 0;
for(i = 0; i < 19; i++)
{
if((i % 2) == 0) {
total_sum += 3 * ctoi(source[i]);
} else {
total_sum += ctoi(source[i]);
}
}
nve_check = 10 - total_sum%10;
source[sourcelen + 1] = '\0';
source[sourcelen] = itoc(nve_check);
}
/* Detect extended ASCII characters */
for(i = 0; i < sourcelen; i++) {
@ -899,17 +868,60 @@ int ean_128(struct zint_symbol *symbol, unsigned char source[])
return errornum;
}
int nve_18(struct zint_symbol *symbol, unsigned char source[])
{
/* Add check digit if encoding an NVE18 symbol */
int error_number, zeroes, i, nve_check, total_sum, sourcelen;
unsigned char localstr[20], checkstr[3];
sourcelen = ustrlen(source);
if(sourcelen > 17) {
strcpy(symbol->errtxt, "Input too long [203]");
return ERROR_TOO_LONG;
}
error_number = is_sane(NESET, source);
if(error_number == ERROR_INVALID_DATA) {
strcpy(symbol->errtxt, "Invalid characters in data [202]");
return error_number;
}
strcpy(localstr, "00");
zeroes = 17 - sourcelen;
for(i = 0; i < zeroes; i++)
concat(localstr, "0");
concat(localstr, (char *)source);
total_sum = 0;
for(i = 0; i < 19; i++)
{
if((i % 2) == 0) {
total_sum += 3 * ctoi(localstr[i]);
} else {
total_sum += ctoi(localstr[i]);
}
}
nve_check = 10 - total_sum%10;
checkstr[1] = '\0';
checkstr[0] = itoc(nve_check);
concat(localstr, checkstr);
error_number = code_128(symbol, localstr);
return error_number;
}
int ean_14(struct zint_symbol *symbol, unsigned char source[])
{
/* EAN-14 - A version of EAN-128 */
int input_length, i, count, check_digit;
int error_number;
int error_number, zeroes;
unsigned char ean128_equiv[20];
memset(ean128_equiv, 0, 20);
input_length = ustrlen(source);
if(input_length != 13) {
if(input_length > 13) {
strcpy(symbol->errtxt, "Input wrong length [721]");
return ERROR_TOO_LONG;
}
@ -920,6 +932,10 @@ int ean_14(struct zint_symbol *symbol, unsigned char source[])
return error_number;
}
concat((char*)ean128_equiv, "[01]");
zeroes = 13 - input_length;
for(i = 0; i < zeroes; i++) {
concat(ean128_equiv, "0");
}
concat((char*)ean128_equiv, (char*)source);
count = 0;