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aztec: avoid possible overflow in comparison

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output/CLI/testcommon: suppress some gcc-16 (C23) warnings
  "-Wdiscarded-qualifiers" (QChar)
GUI: suppress some gcc-16 (C23) warnings
  "-Wdeprecated-enum-enum-conversion"
channel: use explicit `const struct` for precalcs instead of
  typedef (makes code more transparent)
README.linux: Fedora 43 -> 44
This commit is contained in:
gitlost
2026-05-15 11:20:30 +01:00
parent 76aac611ca
commit 09d48d5757
9 changed files with 39 additions and 36 deletions
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backend/channel.c
+7 -6
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@@ -35,9 +35,9 @@
#include <stdio.h>
#include "common.h"
typedef const struct s_channel_precalc {
struct channel_precalc {
int value; unsigned char B[8]; unsigned char S[8]; unsigned char bmax[7]; unsigned char smax[7];
} channel_precalc;
};
#if 0
#define CHANNEL_GENERATE_PRECALCS
@@ -49,8 +49,8 @@ typedef const struct s_channel_precalc {
static void channel_generate_precalc(int channels, int value, int mod, int last, int B[8], int S[8], int bmax[7],
int smax[7]) {
int i;
if (value == mod) printf("static channel_precalc channel_precalcs%d[] = {\n", channels);
printf(" { %7ld, {", value); for (i = 0; i < 8; i++) printf(" %d,", B[i]); fputs(" },", stdout);
if (value == mod) printf("static const struct channel_precalc channel_precalcs%d[] = {\n", channels);
printf(" { %7d, {", value); for (i = 0; i < 8; i++) printf(" %d,", B[i]); fputs(" },", stdout);
fputs(" {", stdout); for (i = 0; i < 8; i++) printf(" %d,", S[i]); fputs(" },", stdout);
fputs(" {", stdout); for (i = 0; i < 7; i++) printf(" %d,", bmax[i]); fputs(" },", stdout);
fputs(" {", stdout); for (i = 0; i < 7; i++) printf(" %d,", smax[i]); fputs(" }, },\n", stdout);
@@ -60,7 +60,8 @@ static void channel_generate_precalc(int channels, int value, int mod, int last,
#include "channel_precalcs.h"
#endif
static int channel_copy_precalc(channel_precalc *const precalc, int B[8], int S[8], int bmax[7], int smax[7]) {
static int channel_copy_precalc(const struct channel_precalc *const precalc, int B[8], int S[8], int bmax[7],
int smax[7]) {
int i;
for (i = 0; i < 7; i++) {
@@ -89,7 +90,7 @@ static void CHNCHR(int channels, int target_value, int B[8], int S[8]) {
/* Use of initial pre-calculations taken from Barcode Writer in Pure PostScript (BWIPP)
Copyright (c) 2004-2026 Terry Burton */
/* SPDX-License-Identifier: MIT */
static channel_precalc initial_precalcs[6] = {
static const struct channel_precalc initial_precalcs[6] = {
{ 0, { 1, 1, 1, 1, 1, 2, 1, 2, }, { 1, 1, 1, 1, 1, 1, 1, 3, }, { 1, 1, 1, 1, 1, 3, 2, },
{ 1, 1, 1, 1, 1, 3, 3, }, },
{ 0, { 1, 1, 1, 1, 2, 1, 1, 3, }, { 1, 1, 1, 1, 1, 1, 1, 4, }, { 1, 1, 1, 1, 4, 3, 3, },