Resolve clang-tidy 19.1 warnings (#341)

.clang-tidy

@@ -1,4 +1,4 @@
-# Copyright (c) Team CharLS.
+# SPDX-FileCopyrightText: © 2020 Team CharLS
 # SPDX-License-Identifier: BSD-3-Clause
 
 # The approach for using clang tidy is to enable all warnings unless it adds no practical value to the CharLS projects
@@ -57,6 +57,7 @@
 # -altera-id-dependent-backward-branch => Does not apply (is for openCL)
 # -bugprone-easily-swappable-parameters => To many do not fix warnings
 # -performance-enum-size => No performance gain, enums are not used in arrays.
+# -boost-use-ranges => CharLS has by design not a dependency on Boost.
 
 ---
 Checks:          '*,
@@ -112,7 +113,8 @@ Checks:          '*,
                   -readability-function-cognitive-complexity,
                   -bugprone-easily-swappable-parameters,
                   -concurrency-mt-unsafe,
-                  -performance-enum-size'
+                  -performance-enum-size,
+                  -boost-use-ranges'
 WarningsAsErrors: false
 HeaderFilterRegex: ''
 FormatStyle:     none

Directory.Build.props

@@ -55,7 +55,7 @@
         C5026 = 'type': move constructor was implicitly defined as deleted [Just informational]
         C5027 = 'type': move assignment operator was implicitly defined as deleted [Just informational]
         C5045 = Compiler will insert Spectre mitigation for memory load if /Qspectre switch specified [Just informational]
-        C5246 = the initialization of a subobject should be wrapped in braces [prevents simple usage of std::byte]
+        C5246 = the initialization of a sub-object should be wrapped in braces [prevents simple usage of std::byte]
         C5264 = 'const' variable is not used [reported for const in header files]
         C5258 = explicit capture of '' is not required for this use [VS 2019 requires capture of constexpr]
       -->

samples/convert.c/main.c

@@ -149,11 +149,11 @@ static void triplet_to_planar(const uint8_t* triplet_buffer, uint8_t* planar_buf
         const size_t line_start = line * stride;
         for (size_t pixel = 0; pixel < width; ++pixel)
         {
-            const size_t column = line_start + pixel * bytes_per_rgb_pixel;
+            const size_t column = line_start + (pixel * bytes_per_rgb_pixel);
 
             planar_buffer[plane_column] = triplet_buffer[column];
-            planar_buffer[plane_column + 1 * byte_count_plane] = triplet_buffer[column + 1];
-            planar_buffer[plane_column + 2 * byte_count_plane] = triplet_buffer[column + 2];
+            planar_buffer[plane_column + (1 * byte_count_plane)] = triplet_buffer[column + 1];
+            planar_buffer[plane_column + (2 * byte_count_plane)] = triplet_buffer[column + 2];
             ++plane_column;
         }
     }
@@ -428,6 +428,7 @@ int main(const int argc, char* argv[])
         if (!convert_bottom_up_to_top_down(pixel_data, dib_header.width, (size_t)dib_header.height, stride))
         {
             printf("Failed to convert the pixels from bottom up to top down\n");
+            free(pixel_data);
             return EXIT_FAILURE;
         }
     }

samples/convert.cpp/main.cpp

@@ -42,10 +42,10 @@ std::vector<uint8_t> triplet_to_planar(const std::vector<uint8_t>& buffer, const
         const auto line_start{line * stride};
         for (size_t pixel{}; pixel != width; ++pixel)
         {
-            const auto column{line_start + pixel * bytes_per_rgb_pixel};
+            const auto column{line_start + (pixel * bytes_per_rgb_pixel)};
             result[plane_column] = buffer[column];
-            result[plane_column + 1 * byte_count_plane] = buffer[column + 1];
-            result[plane_column + 2 * byte_count_plane] = buffer[column + 2];
+            result[plane_column + (1 * byte_count_plane)] = buffer[column + 1];
+            result[plane_column + (2 * byte_count_plane)] = buffer[column + 2];
             ++plane_column;
         }
     }

src/jpeg_stream_reader.cpp

@@ -517,19 +517,19 @@ void jpeg_stream_reader::read_oversize_image_dimension()
     switch (dimension_size)
     {
     case 2:
-        check_segment_size(pc_and_dimension_bytes + sizeof(uint16_t) * 2);
+        check_segment_size(pc_and_dimension_bytes + (sizeof(uint16_t) * 2));
         height = read_uint16();
         width = read_uint16();
         break;
 
     case 3:
-        check_segment_size(pc_and_dimension_bytes + (sizeof(uint16_t) + 1) * 2);
+        check_segment_size(pc_and_dimension_bytes + ((sizeof(uint16_t) + 1) * 2));
         height = read_uint24();
         width = read_uint24();
         break;
 
     case 4:
-        check_segment_size(pc_and_dimension_bytes + sizeof(uint32_t) * 2);
+        check_segment_size(pc_and_dimension_bytes + (sizeof(uint32_t) * 2));
         height = read_uint32();
         width = read_uint32();
         break;

src/jpeg_stream_writer.cpp

@@ -139,7 +139,7 @@ void jpeg_stream_writer::write_application_data_segment(const int32_t applicatio
 
 void jpeg_stream_writer::write_jpegls_preset_parameters_segment(const jpegls_pc_parameters& preset_coding_parameters)
 {
-    write_segment_header(jpeg_marker_code::jpegls_preset_parameters, 1 + 5 * sizeof(uint16_t));
+    write_segment_header(jpeg_marker_code::jpegls_preset_parameters, 1 + (5 * sizeof(uint16_t)));
     write_uint8(to_underlying_type(jpegls_preset_parameters_type::preset_coding_parameters));
     write_uint16(preset_coding_parameters.maximum_sample_value);
     write_uint16(preset_coding_parameters.threshold1);
@@ -152,7 +152,7 @@ void jpeg_stream_writer::write_jpegls_preset_parameters_segment(const jpegls_pc_
 void jpeg_stream_writer::write_jpegls_preset_parameters_segment(const uint32_t height, const uint32_t width)
 {
     // Format is defined in ISO/IEC 14495-1, C.2.4.1.4
-    write_segment_header(jpeg_marker_code::jpegls_preset_parameters, size_t{1} + 1 + 2 * sizeof(uint32_t));
+    write_segment_header(jpeg_marker_code::jpegls_preset_parameters, size_t{1} + 1 + (2 * sizeof(uint32_t)));
     write_uint8(to_underlying_type(jpegls_preset_parameters_type::oversize_image_dimension));
     write_uint8(sizeof(uint32_t)); // Wxy: number of bytes used to represent Ye and Xe [2..4]. Always 4 for simplicity.
     write_uint32(height);          // Ye: number of lines in the image.

src/quantization_lut.cpp

@@ -6,6 +6,7 @@
 #include "quantization_lut.hpp"
 
 #include <charls/public_types.h>
+
 #include "jpegls_algorithm.hpp"
 #include "jpegls_preset_coding_parameters.hpp"
 

test/compliance.cpp

@@ -41,9 +41,9 @@ void triplet2_planar(vector<byte>& buffer, const rect_size size)
     const size_t byte_count{size.cx * size.cy};
     for (size_t i{}; i != byte_count; ++i)
     {
-        work_buffer[i] = buffer[i * 3 + 0];
-        work_buffer[i + 1 * byte_count] = buffer[i * 3 + 1];
-        work_buffer[i + 2 * byte_count] = buffer[i * 3 + 2];
+        work_buffer[i] = buffer[i * 3];
+        work_buffer[i + (1 * byte_count)] = buffer[(i * 3) + 1];
+        work_buffer[i + (2 * byte_count)] = buffer[(i * 3) + 2];
     }
     swap(buffer, work_buffer);
 }