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Code Issues Projects Releases Wiki Activity

AUSPOST: support Null FCC (DPID all zeroes); TODO: BWIPP support

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CODE128: properly fix not switching before FNC1 in 2nd position
  after alpha (commit [7b0767])
PLANET/KIX: adapt POSTNET to cater for both
general: use static strings to save a few bytes (start/stop in
  particular); various other code fiddles
postal: move tables into funcs
This commit is contained in:
gitlost
2026-04-22 21:25:16 +01:00
parent 7f688b9e58
commit b40393723f
24 changed files with 479 additions and 517 deletions
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105
backend/code.c
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@@ -1,4 +1,4 @@
/* code.c - Handles Code 39, 39+, 93 and VIN */
/* code.c - Handles Code 39 (incl. LOGMARS & HIBC), Extended Code 39 (39+), Code 93 and VIN */
/*
libzint - the open source barcode library
Copyright (C) 2008-2026 Robin Stuart <rstuart114@gmail.com>
@@ -68,56 +68,6 @@ static const char C39Table[43 + 1][10] = {
{'1','2','1','1','2','1','2','1','1','1'} /* Start character (full 10), Stop character (first 9) */
};
/* Encoding the full ASCII character set in Code 39 (ISO/IEC 16388:2007 Table A.2) */
static const char EC39Ctrl[128][2] = {
{'%','U'}, {'$','A'}, {'$','B'}, {'$','C'}, {'$','D'}, {'$','E'}, {'$','F'}, {'$','G'}, {'$','H'}, {'$','I'},
{'$','J'}, {'$','K'}, {'$','L'}, {'$','M'}, {'$','N'}, {'$','O'}, {'$','P'}, {'$','Q'}, {'$','R'}, {'$','S'},
{'$','T'}, {'$','U'}, {'$','V'}, {'$','W'}, {'$','X'}, {'$','Y'}, {'$','Z'}, {'%','A'}, {'%','B'}, {'%','C'},
{'%','D'}, {'%','E'}, { " " }, {'/','A'}, {'/','B'}, {'/','C'}, {'/','D'}, {'/','E'}, {'/','F'}, {'/','G'},
{'/','H'}, {'/','I'}, {'/','J'}, {'/','K'}, {'/','L'}, { "-" }, { "." }, {'/','O'}, { "0" }, { "1" },
{ "2" }, { "3" }, { "4" }, { "5" }, { "6" }, { "7" }, { "8" }, { "9" }, {'/','Z'}, {'%','F'},
{'%','G'}, {'%','H'}, {'%','I'}, {'%','J'}, {'%','V'}, { "A" }, { "B" }, { "C" }, { "D" }, { "E" },
{ "F" }, { "G" }, { "H" }, { "I" }, { "J" }, { "K" }, { "L" }, { "M" }, { "N" }, { "O" },
{ "P" }, { "Q" }, { "R" }, { "S" }, { "T" }, { "U" }, { "V" }, { "W" }, { "X" }, { "Y" },
{ "Z" }, {'%','K'}, {'%','L'}, {'%','M'}, {'%','N'}, {'%','O'}, {'%','W'}, {'+','A'}, {'+','B'}, {'+','C'},
{'+','D'}, {'+','E'}, {'+','F'}, {'+','G'}, {'+','H'}, {'+','I'}, {'+','J'}, {'+','K'}, {'+','L'}, {'+','M'},
{'+','N'}, {'+','O'}, {'+','P'}, {'+','Q'}, {'+','R'}, {'+','S'}, {'+','T'}, {'+','U'}, {'+','V'}, {'+','W'},
{'+','X'}, {'+','Y'}, {'+','Z'}, {'%','P'}, {'%','Q'}, {'%','R'}, {'%','S'}, {'%','T'}
};
/* Code 93 ANSI/AIM BC5-1995 Table 3 */
static const char C93Ctrl[128][2] = {
{'b','U'}, {'a','A'}, {'a','B'}, {'a','C'}, {'a','D'}, {'a','E'}, {'a','F'}, {'a','G'}, {'a','H'}, {'a','I'},
{'a','J'}, {'a','K'}, {'a','L'}, {'a','M'}, {'a','N'}, {'a','O'}, {'a','P'}, {'a','Q'}, {'a','R'}, {'a','S'},
{'a','T'}, {'a','U'}, {'a','V'}, {'a','W'}, {'a','X'}, {'a','Y'}, {'a','Z'}, {'b','A'}, {'b','B'}, {'b','C'},
{'b','D'}, {'b','E'}, { " " }, {'c','A'}, {'c','B'}, {'c','C'}, { "$" }, { "%" }, {'c','F'}, {'c','G'},
{'c','H'}, {'c','I'}, {'c','J'}, { "+" }, {'c','L'}, { "-" }, { "." }, { "/" }, { "0" }, { "1" },
{ "2" }, { "3" }, { "4" }, { "5" }, { "6" }, { "7" }, { "8" }, { "9" }, {'c','Z'}, {'b','F'},
{'b','G'}, {'b','H'}, {'b','I'}, {'b','J'}, {'b','V'}, { "A" }, { "B" }, { "C" }, { "D" }, { "E" },
{ "F" }, { "G" }, { "H" }, { "I" }, { "J" }, { "K" }, { "L" }, { "M" }, { "N" }, { "O" },
{ "P" }, { "Q" }, { "R" }, { "S" }, { "T" }, { "U" }, { "V" }, { "W" }, { "X" }, { "Y" },
{ "Z" }, {'b','K'}, {'b','L'}, {'b','M'}, {'b','N'}, {'b','O'}, {'b','W'}, {'d','A'}, {'d','B'}, {'d','C'},
{'d','D'}, {'d','E'}, {'d','F'}, {'d','G'}, {'d','H'}, {'d','I'}, {'d','J'}, {'d','K'}, {'d','L'}, {'d','M'},
{'d','N'}, {'d','O'}, {'d','P'}, {'d','Q'}, {'d','R'}, {'d','S'}, {'d','T'}, {'d','U'}, {'d','V'}, {'d','W'},
{'d','X'}, {'d','Y'}, {'d','Z'}, {'b','P'}, {'b','Q'}, {'b','R'}, {'b','S'}, {'b','T'}
};
/* Code 93 ANSI/AIM BC5-1995 Table 2 */
static const char C93Table[47][6] = {
{'1','3','1','1','1','2'}, {'1','1','1','2','1','3'}, {'1','1','1','3','1','2'}, {'1','1','1','4','1','1'},
{'1','2','1','1','1','3'}, {'1','2','1','2','1','2'}, {'1','2','1','3','1','1'}, {'1','1','1','1','1','4'},
{'1','3','1','2','1','1'}, {'1','4','1','1','1','1'}, {'2','1','1','1','1','3'}, {'2','1','1','2','1','2'},
{'2','1','1','3','1','1'}, {'2','2','1','1','1','2'}, {'2','2','1','2','1','1'}, {'2','3','1','1','1','1'},
{'1','1','2','1','1','3'}, {'1','1','2','2','1','2'}, {'1','1','2','3','1','1'}, {'1','2','2','1','1','2'},
{'1','3','2','1','1','1'}, {'1','1','1','1','2','3'}, {'1','1','1','2','2','2'}, {'1','1','1','3','2','1'},
{'1','2','1','1','2','2'}, {'1','3','1','1','2','1'}, {'2','1','2','1','1','2'}, {'2','1','2','2','1','1'},
{'2','1','1','1','2','2'}, {'2','1','1','2','2','1'}, {'2','2','1','1','2','1'}, {'2','2','2','1','1','1'},
{'1','1','2','1','2','2'}, {'1','1','2','2','2','1'}, {'1','2','2','1','2','1'}, {'1','2','3','1','1','1'},
{'1','2','1','1','3','1'}, {'3','1','1','1','1','2'}, {'3','1','1','2','1','1'}, {'3','2','1','1','1','1'},
{'1','1','2','1','3','1'}, {'1','1','3','1','2','1'}, {'2','1','1','1','3','1'}, {'1','2','1','2','2','1'},
{'3','1','2','1','1','1'}, {'3','1','1','1','2','1'}, {'1','2','2','2','1','1'}
};
/* Code 39 */
INTERNAL int zint_code39(struct zint_symbol *symbol, unsigned char source[], int length) {
int i;
@@ -239,6 +189,22 @@ INTERNAL int zint_code39(struct zint_symbol *symbol, unsigned char source[], int
/* Extended Code 39 - ISO/IEC 16388:2007 Annex A */
INTERNAL int zint_excode39(struct zint_symbol *symbol, unsigned char source[], int length) {
/* Encoding the full ASCII character set in Code 39 (ISO/IEC 16388:2007 Table A.2) */
static const char EC39Ctrl[128][2] = {
{'%','U'}, {'$','A'}, {'$','B'}, {'$','C'}, {'$','D'}, {'$','E'}, {'$','F'}, {'$','G'}, {'$','H'}, {'$','I'},
{'$','J'}, {'$','K'}, {'$','L'}, {'$','M'}, {'$','N'}, {'$','O'}, {'$','P'}, {'$','Q'}, {'$','R'}, {'$','S'},
{'$','T'}, {'$','U'}, {'$','V'}, {'$','W'}, {'$','X'}, {'$','Y'}, {'$','Z'}, {'%','A'}, {'%','B'}, {'%','C'},
{'%','D'}, {'%','E'}, { " " }, {'/','A'}, {'/','B'}, {'/','C'}, {'/','D'}, {'/','E'}, {'/','F'}, {'/','G'},
{'/','H'}, {'/','I'}, {'/','J'}, {'/','K'}, {'/','L'}, { "-" }, { "." }, {'/','O'}, { "0" }, { "1" },
{ "2" }, { "3" }, { "4" }, { "5" }, { "6" }, { "7" }, { "8" }, { "9" }, {'/','Z'}, {'%','F'},
{'%','G'}, {'%','H'}, {'%','I'}, {'%','J'}, {'%','V'}, { "A" }, { "B" }, { "C" }, { "D" }, { "E" },
{ "F" }, { "G" }, { "H" }, { "I" }, { "J" }, { "K" }, { "L" }, { "M" }, { "N" }, { "O" },
{ "P" }, { "Q" }, { "R" }, { "S" }, { "T" }, { "U" }, { "V" }, { "W" }, { "X" }, { "Y" },
{ "Z" }, {'%','K'}, {'%','L'}, {'%','M'}, {'%','N'}, {'%','O'}, {'%','W'}, {'+','A'}, {'+','B'}, {'+','C'},
{'+','D'}, {'+','E'}, {'+','F'}, {'+','G'}, {'+','H'}, {'+','I'}, {'+','J'}, {'+','K'}, {'+','L'}, {'+','M'},
{'+','N'}, {'+','O'}, {'+','P'}, {'+','Q'}, {'+','R'}, {'+','S'}, {'+','T'}, {'+','U'}, {'+','V'}, {'+','W'},
{'+','X'}, {'+','Y'}, {'+','Z'}, {'%','P'}, {'%','Q'}, {'%','R'}, {'%','S'}, {'%','T'}
};
int i;
unsigned char buffer[86 * 2 + 1] = {0};
unsigned char *b = buffer;
@@ -308,11 +274,42 @@ INTERNAL int zint_excode39(struct zint_symbol *symbol, unsigned char source[], i
/* Code 93 is an advancement on Code 39 and the definition is a lot tighter */
INTERNAL int zint_code93(struct zint_symbol *symbol, unsigned char source[], int length) {
/* Code 93 ANSI/AIM BC5-1995 Table 2 */
static const char C93Table[47][6] = {
{'1','3','1','1','1','2'}, {'1','1','1','2','1','3'}, {'1','1','1','3','1','2'}, {'1','1','1','4','1','1'},
{'1','2','1','1','1','3'}, {'1','2','1','2','1','2'}, {'1','2','1','3','1','1'}, {'1','1','1','1','1','4'},
{'1','3','1','2','1','1'}, {'1','4','1','1','1','1'}, {'2','1','1','1','1','3'}, {'2','1','1','2','1','2'},
{'2','1','1','3','1','1'}, {'2','2','1','1','1','2'}, {'2','2','1','2','1','1'}, {'2','3','1','1','1','1'},
{'1','1','2','1','1','3'}, {'1','1','2','2','1','2'}, {'1','1','2','3','1','1'}, {'1','2','2','1','1','2'},
{'1','3','2','1','1','1'}, {'1','1','1','1','2','3'}, {'1','1','1','2','2','2'}, {'1','1','1','3','2','1'},
{'1','2','1','1','2','2'}, {'1','3','1','1','2','1'}, {'2','1','2','1','1','2'}, {'2','1','2','2','1','1'},
{'2','1','1','1','2','2'}, {'2','1','1','2','2','1'}, {'2','2','1','1','2','1'}, {'2','2','2','1','1','1'},
{'1','1','2','1','2','2'}, {'1','1','2','2','2','1'}, {'1','2','2','1','2','1'}, {'1','2','3','1','1','1'},
{'1','2','1','1','3','1'}, {'3','1','1','1','1','2'}, {'3','1','1','2','1','1'}, {'3','2','1','1','1','1'},
{'1','1','2','1','3','1'}, {'1','1','3','1','2','1'}, {'2','1','1','1','3','1'}, {'1','2','1','2','2','1'},
{'3','1','2','1','1','1'}, {'3','1','1','1','2','1'}, {'1','2','2','2','1','1'}
};
/* Code 93 ANSI/AIM BC5-1995 Table 3 */
static const char C93Ctrl[128][2] = {
{'b','U'}, {'a','A'}, {'a','B'}, {'a','C'}, {'a','D'}, {'a','E'}, {'a','F'}, {'a','G'}, {'a','H'}, {'a','I'},
{'a','J'}, {'a','K'}, {'a','L'}, {'a','M'}, {'a','N'}, {'a','O'}, {'a','P'}, {'a','Q'}, {'a','R'}, {'a','S'},
{'a','T'}, {'a','U'}, {'a','V'}, {'a','W'}, {'a','X'}, {'a','Y'}, {'a','Z'}, {'b','A'}, {'b','B'}, {'b','C'},
{'b','D'}, {'b','E'}, { " " }, {'c','A'}, {'c','B'}, {'c','C'}, { "$" }, { "%" }, {'c','F'}, {'c','G'},
{'c','H'}, {'c','I'}, {'c','J'}, { "+" }, {'c','L'}, { "-" }, { "." }, { "/" }, { "0" }, { "1" },
{ "2" }, { "3" }, { "4" }, { "5" }, { "6" }, { "7" }, { "8" }, { "9" }, {'c','Z'}, {'b','F'},
{'b','G'}, {'b','H'}, {'b','I'}, {'b','J'}, {'b','V'}, { "A" }, { "B" }, { "C" }, { "D" }, { "E" },
{ "F" }, { "G" }, { "H" }, { "I" }, { "J" }, { "K" }, { "L" }, { "M" }, { "N" }, { "O" },
{ "P" }, { "Q" }, { "R" }, { "S" }, { "T" }, { "U" }, { "V" }, { "W" }, { "X" }, { "Y" },
{ "Z" }, {'b','K'}, {'b','L'}, {'b','M'}, {'b','N'}, {'b','O'}, {'b','W'}, {'d','A'}, {'d','B'}, {'d','C'},
{'d','D'}, {'d','E'}, {'d','F'}, {'d','G'}, {'d','H'}, {'d','I'}, {'d','J'}, {'d','K'}, {'d','L'}, {'d','M'},
{'d','N'}, {'d','O'}, {'d','P'}, {'d','Q'}, {'d','R'}, {'d','S'}, {'d','T'}, {'d','U'}, {'d','V'}, {'d','W'},
{'d','X'}, {'d','Y'}, {'d','Z'}, {'b','P'}, {'b','Q'}, {'b','R'}, {'b','S'}, {'b','T'}
};
static const char start_stop[7] = { '1','1','1','1','4','1','1' }; /* 1st 6 start, all 7 stop */
/* SILVER includes the extra characters a, b, c and d to represent Code 93 specific
shift characters 1, 2, 3 and 4 respectively. These characters are never used by
`zint_code39()` and `excode39()` */
int i;
int h, weight, c, k, error_number = 0;
int values[125]; /* 123 + 2 (Checks) */
@@ -383,7 +380,7 @@ INTERNAL int zint_code93(struct zint_symbol *symbol, unsigned char source[], int
}
/* Start character */
memcpy(d, "111141", 6);
memcpy(d, start_stop, 6);
d += 6;
for (i = 0; i < h; i++, d += 6) {
@@ -391,7 +388,7 @@ INTERNAL int zint_code93(struct zint_symbol *symbol, unsigned char source[], int
}
/* Stop character */
memcpy(d, "1111411", 7);
memcpy(d, start_stop, 7);
d += 7;
z_expand(symbol, dest, (int) (d - dest));