Initial commit

.gitignore

@@ -0,0 +1,60 @@
+# Directories
+build/
+build-*/
+cmake-build-*/
+.cache/
+out/
+out/Debug/
+out/Release/
+
+# xmake files
+.xmake
+.xmake/
+.xmake/*
+
+# Cmake files
+CMakeCache.txt
+cmake
+CMakeFiles/
+cmake_install.cmake
+CTestTestfile.cmake
+Testing/
+compile_commands.json
+../compile_commands.json
+build/compile_commands.json
+
+# Make / Ninja
+Makefile
+*.ninja
+*.ninja_deps
+*.ninja_log
+rules.ninja
+
+# Object files
+*.o
+*.obj
+*.lo
+*.la
+
+# Binaries
+*.out
+*.exe
+*.dll
+*.so
+*.so.*
+*.dylib
+*.a
+
+# Debug / Sanitizer
+*.dSYM/
+*.gcno
+*.gcda
+*.gcov
+
+# Editors
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+

include/allocator.h

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+#ifndef ALLOCATOR_H
+#define ALLOCATOR_H
+
+#include <stdlib.h>
+
+typedef struct Allocator Allocator;
+
+Allocator allocator_default(void);
+
+struct Allocator {
+  void *ctx;
+
+  void *(*alloc)(void *ctx, size_t size);
+
+  void *(*realloc)(void *ctx, void *ptr, size_t old_size, size_t new_size);
+
+  void (*free)(void *ctx, void *ptr, size_t size);
+};
+
+#endif

src/allocator.c

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+#include "allocator.h"
+#include <stdlib.h>
+
+static void *stdlib_alloc(void *ctx, size_t size) {
+  (void)ctx;
+  return malloc(size);
+}
+
+static void *stdlib_realloc(void *ctx, void *ptr, size_t old_size,
+                            size_t new_size) {
+  (void)ctx;
+  (void)old_size;
+  return realloc(ptr, new_size);
+}
+
+static void stdlib_free(void *ctx, void *ptr, size_t size) {
+  (void)ctx;
+  (void)size;
+  free(ptr);
+}
+
+Allocator allocator_default(void) {
+  return (Allocator){
+      .ctx = NULL,
+      .alloc = stdlib_alloc,
+      .realloc = stdlib_realloc,
+      .free = stdlib_free,
+  };
+}

src/main.c

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+#include "allocator.h"
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(void) { return EXIT_SUCCESS; }

test/test_allocator.c

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+#include "allocator.h"
+#include <cmocka.h>
+#include <setjmp.h>
+#include <stdarg.h>
+#include <stddef.h>
+#include <stdlib.h>
+
+int main(void) { return EXIT_SUCCESS; }

xmake.lua

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+set_project("allocator")
+set_version("1.0.0")
+
+set_languages("c11")
+
+add_rules("mode.debug", "mode.release")
+
+-- Export compile_commands.json
+add_rules("plugin.compile_commands.autoupdate")
+
+-- =========================================================
+-- Options
+-- =========================================================
+
+option("tests")
+set_default(false)
+set_showmenu(true)
+option_end()
+
+option("example")
+set_default(true)
+set_showmenu(true)
+option_end()
+
+option("asan")
+set_default(false)
+set_showmenu(true)
+option_end()
+
+-- =========================================================
+-- Library
+-- =========================================================
+
+target("allocator")
+set_kind("static")
+
+add_files("src/allocator.c")
+
+add_headerfiles("include/*.h")
+
+add_includedirs("include", { public = true })
+
+if is_mode("debug") then
+	add_cflags("-Wall", "-Wextra", "-Wpedantic")
+end
+
+-- =========================================================
+-- Example executable
+-- =========================================================
+
+if has_config("example") then
+	target("example")
+	set_kind("binary")
+
+	add_files("src/main.c")
+
+	add_deps("allocator")
+end
+
+-- =========================================================
+-- Tests
+-- =========================================================
+
+if has_config("tests") then
+	add_requires("cmocka")
+
+	target("test_mylib")
+	set_kind("binary")
+
+	add_files("test/test_allocator.c")
+
+	add_deps("allocator")
+
+	add_packages("cmocka")
+
+	if has_config("asan") then
+		add_cflags("-fsanitize=address", "-fno-omit-frame-pointer")
+
+		add_ldflags("-fsanitize=address")
+	end
+end