feat(log): Added PRIuSIZE printf formatter macro

components/log/include/inttypes_ext.h

@@ -0,0 +1,20 @@
+/*
+ * SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#pragma once
+
+/*
+ * This header provides PRIuSIZE, a printf formatter macro for size_t which is similar to the macros
+ * PRIuX defined in inttypes.h. It is necessary because size_t has different width on different
+ * platforms (e.g., Linux and ESP32). The alternative would be always casting parameters
+ * to a certain type in printf and logging functions.
+ */
+
+#if __SIZE_WIDTH__ == 64 // __SIZE_WIDTH__ is defined by both GCC and Clang
+#define PRIuSIZE "lu"
+#else
+#define PRIuSIZE "u"
+#endif

tools/test_apps/.build-test-rules.yml

@@ -24,6 +24,12 @@ tools/test_apps/linux_compatible/driver_mock:
   enable:
     - if: IDF_TARGET == "linux"
 
+tools/test_apps/linux_compatible/generic_build_test:
+  enable:
+    - if: IDF_TARGET in ["esp32", "esp32c3", "linux"]
+  depends_components:
+    - log
+
 tools/test_apps/linux_compatible/linux_freertos:
   enable:
     - if: IDF_TARGET == "linux"

tools/test_apps/linux_compatible/generic_build_test/CMakeLists.txt

@@ -0,0 +1,9 @@
+# For more information about build system see
+# https://docs.espressif.com/projects/esp-idf/en/latest/api-guides/build-system.html
+# The following five lines of boilerplate have to be in your project's
+# CMakeLists in this exact order for cmake to work correctly
+cmake_minimum_required(VERSION 3.16)
+
+include($ENV{IDF_PATH}/tools/cmake/project.cmake)
+set(COMPONENTS main)
+project(generic_build_test)

tools/test_apps/linux_compatible/generic_build_test/README.md

@@ -0,0 +1,4 @@
+| Supported Targets | ESP32 | ESP32-C3 | Linux |
+| ----------------- | ----- | -------- | ----- |
+
+This application is a build test. It checks that certain features can be used on different targets.

tools/test_apps/linux_compatible/generic_build_test/main/CMakeLists.txt

@@ -0,0 +1,2 @@
+idf_component_register(SRCS "generic_build_test.c"
+                    INCLUDE_DIRS ".")

tools/test_apps/linux_compatible/generic_build_test/main/generic_build_test.c

@@ -0,0 +1,15 @@
+/*
+ * SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Unlicense OR CC0-1.0
+ */
+
+#include <stdio.h>
+#include <stddef.h>
+#include "inttypes_ext.h"
+
+void app_main(void)
+{
+    size_t size = 47;
+    printf("size is: %" PRIuSIZE "\n", size); // test IDF's PRIuSIZE
+}