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general: prefix all INTERNAL funcs/tables with zint_, except

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those in "backend/common.h", which are prefixed by `z_` - makes
  symbol clashes more unlikely when zint is statically linked
  (ticket #337, props Ulrich Becker)
DOTCODE: fix padding allowance (10 -> 52 - probable max 35) to
  cover cases with large no. of columns requested and little data,
  to prevent `codeword_array` buffer overflow
AZTEC/CODEONE: some code fiddling
general_field: prefix defines with `GF_`, shorten static funcs
  prefix `general_field_` -> `gf_`
This commit is contained in:
gitlost
2025-08-26 23:48:00 +01:00
parent e18b047a45
commit 39380d6767
106 changed files with 4477 additions and 4360 deletions
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8
backend/tif_lzw.h
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@@ -1,7 +1,7 @@
/* tif_lzw.h - LZW compression for TIFF */
/*
libzint - the open source barcode library
Copyright (C) 2021-2024 Robin Stuart <rstuart114@gmail.com>
Copyright (C) 2021-2025 Robin Stuart <rstuart114@gmail.com>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
@@ -168,10 +168,10 @@ static void tif_lzw_cl_hash(tif_lzw_state *sp) {
#define PutNextCode(op_fmp, c) { \
nextdata = (nextdata << nbits) | c; \
nextbits += nbits; \
fm_putc((nextdata >> (nextbits - 8)) & 0xff, op_fmp); \
zint_fm_putc((nextdata >> (nextbits - 8)) & 0xff, op_fmp); \
nextbits -= 8; \
if (nextbits >= 8) { \
fm_putc((nextdata >> (nextbits - 8)) & 0xff, op_fmp); \
zint_fm_putc((nextdata >> (nextbits - 8)) & 0xff, op_fmp); \
nextbits -= 8; \
} \
outcount += nbits; \
@@ -358,7 +358,7 @@ static int tif_lzw_encode(tif_lzw_state *sp, struct filemem *op_fmp, const unsig
PutNextCode(op_fmp, CODE_EOI);
/* Explicit 0xff masking to make icc -check=conversions happy */
if (nextbits > 0) {
fm_putc((nextdata << (8 - nextbits)) & 0xff, op_fmp);
zint_fm_putc((nextdata << (8 - nextbits)) & 0xff, op_fmp);
}
return 1;