Test expansion inside the value of the "PATH" environment variable by glibc

test-path-tilde-expansion.c

#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>


int main(int argc, char *argv[])
{
	if (argc <= 0)
		abort();
	if (argc == 1)
	{
		fprintf(stderr, "Usage: %s <command> [args...]\n", argv[0]);
		return 2;
	}

	execvp(argv[1], &argv[1]);

	fprintf(stderr, "%s: Can't execute \"%s\": %s\n",
		argv[0], argv[1], strerror(errno));

	return EXIT_FAILURE;
}