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CMakeLists.txt: check against c not c++ (CheckCXX -> CheckC etc)

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BMP/EMF/PCX/TIF: use more portable packed attribute instead of
  pragma if not MSVC
CHANNEL: pass ptr not struct to `channel_copy_precalc()`
This commit is contained in:
gitlost 2024-05-27 20:55:04 +01:00
parent 3960dfdbfc
commit 0a00d04ccc
8 changed files with 94 additions and 71 deletions
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38
CMakeLists.txt
View file

@ -36,36 +36,36 @@ endif()
include(SetPaths.cmake)
include(CheckCXXCompilerFlag)
include(CheckCCompilerFlag)
include(CheckFunctionExists)
if(NOT MSVC) # Use default warnings if MSVC otherwise inundated
check_cxx_compiler_flag("-Wall" CXX_COMPILER_FLAG_WALL)
if(CXX_COMPILER_FLAG_WALL)
check_c_compiler_flag("-Wall" C_COMPILER_FLAG_WALL)
if(C_COMPILER_FLAG_WALL)
add_compile_options("-Wall")
endif()
check_cxx_compiler_flag("-Wextra" CXX_COMPILER_FLAG_WEXTRA)
if(CXX_COMPILER_FLAG_WEXTRA)
check_c_compiler_flag("-Wextra" C_COMPILER_FLAG_WEXTRA)
if(C_COMPILER_FLAG_WEXTRA)
add_compile_options("-Wextra")
endif()
check_cxx_compiler_flag("-Wpedantic" CXX_COMPILER_FLAG_WPEDANTIC)
if(CXX_COMPILER_FLAG_WPEDANTIC)
check_c_compiler_flag("-Wpedantic" C_COMPILER_FLAG_WPEDANTIC)
if(C_COMPILER_FLAG_WPEDANTIC)
add_compile_options("-Wpedantic")
endif()
endif()
if(ZINT_DEBUG)
check_cxx_compiler_flag("-g" CXX_COMPILER_FLAG_G)
if(CXX_COMPILER_FLAG_G)
check_c_compiler_flag("-g" C_COMPILER_FLAG_G)
if(C_COMPILER_FLAG_G)
add_compile_options("-g")
endif()
endif()
if(ZINT_NOOPT)
check_cxx_compiler_flag("-O0" CXX_COMPILER_FLAG_O0)
if(CXX_COMPILER_FLAG_O0)
check_c_compiler_flag("-O0" C_COMPILER_FLAG_O0)
if(C_COMPILER_FLAG_O0)
add_compile_options("-O0")
endif()
endif()
@ -82,19 +82,19 @@ if(ZINT_SANITIZE)
set(SANITIZERS address undefined)
foreach(sanitizer IN ITEMS ${SANITIZERS})
set(CMAKE_REQUIRED_LIBRARIES -fsanitize=${sanitizer})
check_cxx_compiler_flag(-fsanitize=${sanitizer} CXX_COMPILER_FLAG_FSANITIZE_${sanitizer})
if(CXX_COMPILER_FLAG_FSANITIZE_${sanitizer})
check_c_compiler_flag(-fsanitize=${sanitizer} C_COMPILER_FLAG_FSANITIZE_${sanitizer})
if(C_COMPILER_FLAG_FSANITIZE_${sanitizer})
add_compile_options(-fsanitize=${sanitizer})
link_libraries(-fsanitize=${sanitizer})
endif()
unset(CMAKE_REQUIRED_LIBRARIES)
endforeach()
if(NOT ZINT_DEBUG AND CMAKE_CXX_COMPILER_ID MATCHES "GNU")
if(NOT ZINT_DEBUG AND CMAKE_C_COMPILER_ID MATCHES "GNU")
# Gives warning on MainWindow::setupUI() and retries (& takes forever) if var-tracking-assignments enabled
add_compile_options(-fno-var-tracking-assignments)
endif()
if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
if(CMAKE_C_COMPILER_ID MATCHES "Clang")
# Recent clangs added deprecation warnings for `sprintf()` that are only triggered on sanitize - suppress
add_compile_options(-Wno-deprecated-declarations)
endif()
@ -107,14 +107,14 @@ endif()
if(ZINT_COVERAGE)
set(CMAKE_REQUIRED_LIBRARIES -fprofile-arcs)
check_cxx_compiler_flag(--coverage CXX_COMPILER_FLAG_COVERAGE)
check_c_compiler_flag(--coverage C_COMPILER_FLAG_COVERAGE)
unset(CMAKE_REQUIRED_LIBRARIES)
if(CXX_COMPILER_FLAG_COVERAGE)
if(C_COMPILER_FLAG_COVERAGE)
add_compile_options(--coverage)
link_libraries(-fprofile-arcs)
check_cxx_compiler_flag(-O0 CXX_COMPILER_FLAG_O0)
if(CXX_COMPILER_FLAG_O0)
check_c_compiler_flag(-O0 C_COMPILER_FLAG_O0)
if(C_COMPILER_FLAG_O0)
add_compile_options(-O0)
endif()
endif()

16
backend/bmp.h
View file

@ -1,7 +1,7 @@
/* bmp.h - header structure for Windows bitmap files */
/*
libzint - the open source barcode library
Copyright (C) 2009-2022 Robin Stuart <rstuart114@gmail.com>
Copyright (C) 2009-2024 Robin Stuart <rstuart114@gmail.com>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
@ -37,14 +37,16 @@
extern "C" {
#endif
#pragma pack (1)
#ifdef _MSC_VER
#pragma pack(1)
#endif
typedef struct bitmap_file_header {
uint16_t header_field;
uint32_t file_size;
uint32_t reserved;
uint32_t data_offset;
} bitmap_file_header_t;
} OUT_PACK bitmap_file_header_t;
typedef struct bitmap_info_header {
uint32_t header_size;
@ -58,16 +60,18 @@ extern "C" {
int32_t vert_res;
uint32_t colours;
uint32_t important_colours;
} bitmap_info_header_t;
} OUT_PACK bitmap_info_header_t;
typedef struct color_ref {
uint8_t blue;
uint8_t green;
uint8_t red;
uint8_t reserved;
} color_ref_t;
} OUT_PACK color_ref_t;
#pragma pack ()
#ifdef _MSC_VER
#pragma pack()
#endif
#ifdef __cplusplus
}

22
backend/code.c
View file

@ -631,19 +631,19 @@ static void channel_generate_precalc(int channels, long value, int mod, int last
#include "channel_precalcs.h"
#endif
static long channel_copy_precalc(channel_precalc precalc, int B[8], int S[8], int bmax[7], int smax[7]) {
static long channel_copy_precalc(channel_precalc *const precalc, int B[8], int S[8], int bmax[7], int smax[7]) {
int i;
for (i = 0; i < 7; i++) {
B[i] = precalc.B[i];
S[i] = precalc.S[i];
bmax[i] = precalc.bmax[i];
smax[i] = precalc.smax[i];
B[i] = precalc->B[i];
S[i] = precalc->S[i];
bmax[i] = precalc->bmax[i];
smax[i] = precalc->smax[i];
}
B[7] = precalc.B[7];
S[7] = precalc.S[7];
B[7] = precalc->B[7];
S[7] = precalc->S[7];
return precalc.value;
return precalc->value;
}
/* CHNCHR is adapted from ANSI/AIM BC12-1998 Annex D Figure D5 and is Copyright (c) AIM 1997 */
@ -676,14 +676,14 @@ static void CHNCHR(int channels, long target_value, int B[8], int S[8]) {
int bmax[7], smax[7];
long value = 0;
channel_copy_precalc(initial_precalcs[channels - 3], B, S, bmax, smax);
channel_copy_precalc(&initial_precalcs[channels - 3], B, S, bmax, smax);
#ifndef CHANNEL_GENERATE_PRECALCS
if (channels == 7 && target_value >= channel_precalcs7[0].value) {
value = channel_copy_precalc(channel_precalcs7[(target_value / channel_precalcs7[0].value) - 1], B, S, bmax,
value = channel_copy_precalc(&channel_precalcs7[(target_value / channel_precalcs7[0].value) - 1], B, S, bmax,
smax);
} else if (channels == 8 && target_value >= channel_precalcs8[0].value) {
value = channel_copy_precalc(channel_precalcs8[(target_value / channel_precalcs8[0].value) - 1], B, S, bmax,
value = channel_copy_precalc(&channel_precalcs8[(target_value / channel_precalcs8[0].value) - 1], B, S, bmax,
smax);
}
#endif

54
backend/emf.h
View file

@ -1,7 +1,7 @@
/* emf.h - header structure for Microsoft EMF */
/*
libzint - the open source barcode library
Copyright (C) 2016-2022 Robin Stuart <rstuart114@gmail.com>
Copyright (C) 2016-2024 Robin Stuart <rstuart114@gmail.com>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
@ -37,43 +37,45 @@
extern "C" {
#endif
#ifdef _MSC_VER
#pragma pack(1)
#endif
typedef struct rect_l {
int32_t left;
int32_t top;
int32_t right;
int32_t bottom;
} rect_l_t;
} OUT_PACK rect_l_t;
typedef struct size_l {
uint32_t cx;
uint32_t cy;
} size_l_t;
} OUT_PACK size_l_t;
typedef struct point_l {
int32_t x;
int32_t y;
} point_l_t;
} OUT_PACK point_l_t;
typedef struct color_ref {
uint8_t red;
uint8_t green;
uint8_t blue;
uint8_t reserved;
} color_ref_t;
} OUT_PACK color_ref_t;
typedef struct log_brush_ex {
uint32_t brush_style;
color_ref_t color;
uint32_t brush_hatch;
} log_brush_ex_t;
} OUT_PACK log_brush_ex_t;
typedef struct log_pen {
uint32_t pen_style;
point_l_t width;
color_ref_t color_ref;
} log_pen_t;
} OUT_PACK log_pen_t;
typedef struct log_font {
int32_t height;
@ -90,7 +92,7 @@ extern "C" {
uint8_t quality;
uint8_t pitch_and_family;
unsigned char facename[64];
} log_font_t;
} OUT_PACK log_font_t;
typedef struct emr_text {
point_l_t reference;
@ -99,7 +101,7 @@ extern "C" {
uint32_t options;
rect_l_t rectangle;
uint32_t off_dx;
} emr_text_t;
} OUT_PACK emr_text_t;
typedef struct emf_header {
rect_l_t bounds;
@ -121,19 +123,19 @@ extern "C" {
uint32_t b_open_gl;
/* HeaderExtension2 Object */
size_l_t micrometers;
} emf_header_t;
} OUT_PACK emf_header_t;
typedef struct emr_header {
uint32_t type;
uint32_t size;
emf_header_t emf_header;
} emr_header_t;
} OUT_PACK emr_header_t;
typedef struct emr_mapmode {
uint32_t type;
uint32_t size;
uint32_t mapmode;
} emr_mapmode_t;
} OUT_PACK emr_mapmode_t;
typedef struct emr_setworldtransform {
uint32_t type;
@ -144,39 +146,39 @@ extern "C" {
float m22;
float dx;
float dy;
} emr_setworldtransform_t;
} OUT_PACK emr_setworldtransform_t;
typedef struct emr_createbrushindirect {
uint32_t type;
uint32_t size;
uint32_t ih_brush;
log_brush_ex_t log_brush;
} emr_createbrushindirect_t;
} OUT_PACK emr_createbrushindirect_t;
typedef struct emr_createpen {
uint32_t type;
uint32_t size;
uint32_t ih_pen;
log_pen_t log_pen;
} emr_createpen_t;
} OUT_PACK emr_createpen_t;
typedef struct emr_selectobject {
uint32_t type;
uint32_t size;
uint32_t ih_object;
} emr_selectobject_t;
} OUT_PACK emr_selectobject_t;
typedef struct emr_rectangle {
uint32_t type;
uint32_t size;
rect_l_t box;
} emr_rectangle_t;
} OUT_PACK emr_rectangle_t;
typedef struct emr_ellipse {
uint32_t type;
uint32_t size;
rect_l_t box;
} emr_ellipse_t;
} OUT_PACK emr_ellipse_t;
typedef struct emr_polygon {
uint32_t type;
@ -189,26 +191,26 @@ extern "C" {
point_l_t a_points_d;
point_l_t a_points_e;
point_l_t a_points_f;
} emr_polygon_t;
} OUT_PACK emr_polygon_t;
typedef struct emr_extcreatefontindirectw {
uint32_t type;
uint32_t size;
uint32_t ih_fonts;
log_font_t elw;
} emr_extcreatefontindirectw_t;
} OUT_PACK emr_extcreatefontindirectw_t;
typedef struct emr_settextalign {
uint32_t type;
uint32_t size;
uint32_t text_alignment_mode;
} emr_settextalign_t;
} OUT_PACK emr_settextalign_t;
typedef struct emr_settextcolor {
uint32_t type;
uint32_t size;
color_ref_t color;
} emr_settextcolor_t;
} OUT_PACK emr_settextcolor_t;
typedef struct emr_exttextoutw {
uint32_t type;
@ -218,7 +220,7 @@ extern "C" {
float ex_scale;
float ey_scale;
emr_text_t w_emr_text;
} emr_exttextoutw_t;
} OUT_PACK emr_exttextoutw_t;
typedef struct emr_eof {
uint32_t type;
@ -226,16 +228,18 @@ extern "C" {
uint32_t n_pal_entries;
uint32_t off_pal_entries;
uint32_t size_last;
} emr_eof_t;
} OUT_PACK emr_eof_t;
typedef struct box {
emr_rectangle_t top;
emr_rectangle_t bottom;
emr_rectangle_t left;
emr_rectangle_t right;
} box_t;
} OUT_PACK box_t;
#ifdef _MSC_VER
#pragma pack()
#endif
#ifdef __cplusplus
}

6
backend/gif.c
View file

@ -397,9 +397,9 @@ INTERNAL int gif_pixel_plot(struct zint_symbol *symbol, unsigned char *pixelbuf)
*/
if (transparent_index != -1) {
/* Extension Introducer = '!' */
outbuf[0] = '\x21';
outbuf[0] = '!';
/* Graphic Control Label */
outbuf[1] = '\xf9';
outbuf[1] = 0xf9;
/* Block Size */
outbuf[2] = 4;
/* Packet fields:
@ -452,7 +452,7 @@ INTERNAL int gif_pixel_plot(struct zint_symbol *symbol, unsigned char *pixelbuf)
free(State.pOut);
/* GIF terminator */
fm_putc('\x3b', State.fmp);
fm_putc(';', State.fmp);
if (fm_error(State.fmp)) {
sprintf(symbol->errtxt, "615: Incomplete write to output (%d: %.30s)", State.fmp->err,

7
backend/output.h
View file

@ -113,6 +113,13 @@ INTERNAL FILE *out_win_fopen(const char *filename, const char *mode);
bp[3] = (unsigned char) ((*p_u32 >> 24) & 0xFF); \
} while (0)
/* For more portability, use `#pragma pack()` pair for MSCV, per-type packed attribute otherwise */
#ifdef _MSC_VER
# define OUT_PACK
#else
# define OUT_PACK __attribute__((__packed__))
#endif
#ifdef __cplusplus
}
#endif /* __cplusplus */

10
backend/pcx.h
View file

@ -37,7 +37,9 @@
extern "C" {
#endif
#pragma pack (1)
#ifdef _MSC_VER
#pragma pack(1)
#endif
typedef struct pcx_header {
uint8_t manufacturer;
@ -58,9 +60,11 @@ extern "C" {
uint16_t horiz_screen_size;
uint16_t vert_screen_size;
uint8_t filler[54];
} pcx_header_t;
} OUT_PACK pcx_header_t;
#pragma pack ()
#ifdef _MSC_VER
#pragma pack()
#endif
#ifdef __cplusplus
}

12
backend/tif.h
View file

@ -1,7 +1,7 @@
/* tif.h - Aldus Tagged Image File Format */
/*
libzint - the open source barcode library
Copyright (C) 2016-2022 Robin Stuart <rstuart114@gmail.com>
Copyright (C) 2016-2024 Robin Stuart <rstuart114@gmail.com>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
@ -37,28 +37,32 @@
extern "C" {
#endif
#ifdef _MSC_VER
#pragma pack(1)
#endif
typedef struct tiff_header {
uint16_t byte_order;
uint16_t identity;
uint32_t offset;
} tiff_header_t;
} OUT_PACK tiff_header_t;
typedef struct tiff_tag {
uint16_t tag;
uint16_t type;
uint32_t count;
uint32_t offset;
} tiff_tag_t;
} OUT_PACK tiff_tag_t;
typedef struct tiff_color {
uint16_t red;
uint16_t green;
uint16_t blue;
} tiff_color_t;
} OUT_PACK tiff_color_t;
#ifdef _MSC_VER
#pragma pack()
#endif
#ifdef __cplusplus
}