lchagnoleau · June 7, 2024 12:38
diff --git a/foo.c b/foo.c
 #include "foo.h"
 #include <stdio.h>

 void foo()
 {
    printf("foo\n");
 }
diff --git a/foo.h b/foo.h
 #pragma once

 void foo();
diff --git a/main.c b/main.c
 #include "foo.h"
 #include <stdio.h>

 // gcc main.c foo.c -I . -o test
 // or
 // gcc main.c foo.c -I . -Wl,--wrap=foo -o test

 void __wrap_foo()
 {
    printf("wrap foo\n");
 }

 int main()
 {
    foo();

    return 0;
 }
	#include "foo.h"
	#include <stdio.h>

	// gcc main.c foo.c -I . -o test
	// or
	// gcc main.c foo.c -I . -Wl,--wrap=foo -o test

	void __wrap_foo()
	{
	printf("wrap foo\n");
	}

	int main()
	{
	foo();

	return 0;
	}