tests/relocatability-test.c


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/*
 * This prints the location of the current binary as
 * reported by the dynamic linker.
 * It does not work on all UNIX-like platforms.
 * For instance, it doesn't on Linux.
 *
 * Link with: cc -o relocatability-test relocatability-test.c -ldl
 */
#define _GNU_SOURCE
#include <stdio.h>
#include <dlfcn.h>

int
main(int argc, char **argv)
{
	Dl_info info;

	printf("argv[0] = %s\n", argv[0]);

	if (!dladdr(main, &info)) {
		fprintf(stderr, "Cannot query executable's path: %s\n",
		        dlerror());
		return 1;
	}

	printf("dli_fname = %s\n", info.dli_fname);
	return 0;
}