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AZTEC: add manual FNC1 support:

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improve P/S vs P/L choice when have ECI;
  add ZINT_DEBUG_TEST dump
AUSPOST: allow variable length data input
DATAMATRIX: do `EXTRA_ESCAPE_MODE` processing up front & check have
  non-zero length afterwards;
  disallow `READER_INIT` and `EXTRA_ESCAPE_MODE`;
general: add new `z_zero_fill()` func & use;
  add new `z_extra_escape_position_fnc1()` helper;
  in `z_ct_set_seg_extra_escapes_eci` check position FNC1 whether
  or not have ECI
library: escape_char_process: note escaped backslash followed by
  caret by passes `EXTRA_ESCAPE_MODE` check
test suite: BWIPP: update to latest; support AUSPOST variants;
  process `EXTRA_ESCAPE_MODE` escaping up front
This commit is contained in:
gitlost
2026-04-27 01:02:25 +01:00
parent b40393723f
commit 0a3ffc1dc2
31 changed files with 1968 additions and 905 deletions
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17
backend/common.h
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@@ -167,6 +167,9 @@ INTERNAL void z_to_upper(unsigned char source[], const int length);
/* Returns the number of times a character `ch` occurs in `source` */
INTERNAL int z_chr_cnt(const unsigned char source[], const int length, const unsigned char ch);
/* Zero-fill `dest` buffer, appending `source'. Returns no. of zeroes added */
INTERNAL int z_zero_fill(const unsigned char source[], const int length, unsigned char *dest, const int dest_length);
/* `z_is_chr()` & `z_not_sane()` flags */
#define IS_SPC_F 0x0001 /* Space */
#define IS_HSH_F 0x0002 /* Hash sign # */
@@ -308,11 +311,15 @@ INTERNAL int z_utf8_to_unicode(struct zint_symbol *symbol, const unsigned char s
int *length, const int disallow_4byte);
/* Process `source` for manual FNC1 extra escape sequences, placing result in `dest` with result length in `p_len`,
and setting `fncs` with found FNC1s. `dest` & `fncs` must be at least `length` in size. `eci` is checked to be
ASCII-compatible (UTF-8 & single-byte ECIs, excl. Binary 899). On error sets `errtxt` & returns error no. */
INTERNAL int z_extra_escapes(struct zint_symbol *symbol, const unsigned char source[], const int length,
const int eci, unsigned char dest[], char *fncs, int *p_len);
/* Check if `source` starts with manual FNC1 in 1st or 2nd position, returning length of extra escape sequence if so,
else 0 */
INTERNAL int z_extra_escape_position_fnc1(const unsigned char source[], const int length);
/* Process `source` for extra escape sequences, placing result in `dest`, updating `p_length`, and setting `fncs` with
any found FNC1s. Sets `p_have_extra_escapes` if any sequences found. `eci` is checked to be ASCII-compatible (UTF-8
& single-byte ECIs, excl. Binary 899). On error sets `errtxt` & returns error no. */
INTERNAL int z_extra_escapes(struct zint_symbol *symbol, const unsigned char source[], int *p_length, const int eci,
unsigned char *dest, char *fncs, int *p_have_extra_escapes);
/* Treats source as ISO/IEC 8859-1 and copies into `symbol->text`, converting to UTF-8. Control chars (incl. DEL) and