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CODE11/C25XXX/CODE39/EXCODE39/HIBC_39/CODE93/CODABAR/PLESSEY/

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MSI_PLESSEY/FLAT/DAFT/TELEPEN/TELEPEN_NUM: increase allowed
  lengths to max or near-max possible in 1152 modules for most
  (all?) variable length input linear barcodes
USPS_IMAIL: suppress bogus clang-tidy warning re garbage value
  (doesn't take `strlen()` into account?)
This commit is contained in:
gitlost 2023-11-22 00:45:30 +00:00
parent 4b57fb8021
commit 06ae7c1b7a
17 changed files with 283 additions and 269 deletions
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24
backend/plessey.c
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@ -1,7 +1,7 @@
/* plessey.c - Handles Plessey and MSI Plessey */
/*
libzint - the open source barcode library
Copyright (C) 2008-2022 Robin Stuart <rstuart114@gmail.com>
Copyright (C) 2008-2023 Robin Stuart <rstuart114@gmail.com>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
@ -55,14 +55,14 @@ static const char MSITable[10][8] = {
INTERNAL int plessey(struct zint_symbol *symbol, unsigned char source[], int length) {
int i;
unsigned char checkptr[65 * 4 + 8] = {0};
unsigned char checkptr[67 * 4 + 8] = {0};
static const char grid[9] = {1, 1, 1, 1, 0, 1, 0, 0, 1};
char dest[554]; /* 8 + 65 * 8 + 8 * 2 + 9 + 1 = 554 */
char dest[570]; /* 8 + 67 * 8 + 2 * 8 + 9 + 1 = 570 */
char *d = dest;
int error_number = 0;
if (length > 65) {
strcpy(symbol->errtxt, "370: Input too long (65 character maximum)");
if (length > 67) { /* 16 + 67 * 16 + 4 * 8 + 19 = 1139 */
strcpy(symbol->errtxt, "370: Input too long (67 character maximum)");
return ZINT_ERROR_TOO_LONG;
}
if (!is_sane(SSET_F, source, length)) {
@ -130,7 +130,7 @@ static char msi_check_digit_mod10(const unsigned char source[], const int length
int i, x = 0, undoubled = 0;
for (i = length - 1; i >= 0; i--) {
/* Note overflow impossible for max length 65 * max weight 9 * max val 15 == 8775 */
/* Note overflow impossible for max length 92 * max weight 9 * max val 15 == 12420 */
x += vals[undoubled][ctoi(source[i])];
undoubled = !undoubled;
}
@ -144,7 +144,7 @@ static char msi_check_digit_mod11(const unsigned char source[], const int length
int i, x = 0, weight = 2;
for (i = length - 1; i >= 0; i--) {
/* Note overflow impossible for max length 65 * max weight 9 * max val 15 == 8775 */
/* Note overflow impossible for max length 92 * max weight 9 * max val 15 == 12420 */
x += weight * ctoi(source[i]);
weight++;
if (weight > wrap) {
@ -204,7 +204,7 @@ static char *msi_plessey_mod1010(struct zint_symbol *symbol, const unsigned char
const int no_checktext, char *d) {
int i;
unsigned char temp[65 + 2 + 1];
unsigned char temp[92 + 2 + 1];
/* Append check digits */
temp[0] = '\0';
@ -272,7 +272,7 @@ static char *msi_plessey_mod1110(struct zint_symbol *symbol, const unsigned char
/* Uses the IBM weight system if wrap = 7, and the NCR system if wrap = 9 */
int i;
char check_digit;
unsigned char temp[65 + 3 + 1];
unsigned char temp[92 + 3 + 1];
int temp_len = length;
temp[0] = '\0';
@ -308,13 +308,13 @@ static char *msi_plessey_mod1110(struct zint_symbol *symbol, const unsigned char
INTERNAL int msi_plessey(struct zint_symbol *symbol, unsigned char source[], int length) {
int error_number = 0;
char dest[550]; /* 2 + 65 * 8 + 3 * 8 + 3 + 1 = 550 */
char dest[766]; /* 2 + 92 * 8 + 3 * 8 + 3 + 1 = 766 */
char *d = dest;
int check_option = symbol->option_2;
int no_checktext = 0;
if (length > 65) {
strcpy(symbol->errtxt, "372: Input too long (65 character maximum)");
if (length > 92) { /* 3 (Start) + 92 * 12 + 3 * 12 + 4 (Stop) = 1147 */
strcpy(symbol->errtxt, "372: Input too long (92 character maximum)");
return ZINT_ERROR_TOO_LONG;
}
if (!is_sane(NEON_F, source, length)) {