simple test code

test.c (text/plain), 593 bytes, created by SpanKY on 2009-09-09 07:43:01 UTC

#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/stat.h>

void do_ls(const char *file)
{
	struct stat st;
	if (stat(file, &st))
		printf("%s does not exist\n", file);
	else
		printf("mode of %s: %o\n", file, st.st_mode);
}

int main(int argc, char *argv[])
{
	const char *file = argc > 1 ? argv[1] : "foo";
	int fd;

	unlink(file);
	do_ls(file);

	fd = open(file, O_RDWR|O_CREAT|O_EXCL, 04540);
	close(fd);
	do_ls(file);

	fd = open(file, O_WRONLY|O_CREAT|O_TRUNC, 0777);
	write(fd, "moo", 3);
	close(fd);
	do_ls(file);

	unlink(file);

	return 0;
}