#include <stdio.h>

#define DIR "/media/nfs4import/"

int main(void) {
	FILE *f1;
	FILE *f2;
	char b[1024];
	int i;

	// create file1
	f1 = fopen(DIR "file1.txt", "w");
	fwrite("test\n", 5, 1, f1);
	close(f1);

	// open file1 in read mode
	f1 = fopen(DIR "file1.txt", "r");

	for (i = 0; i < 1; i++) {
		// open file2 in write mode and close it
		f2 = fopen(DIR "file2.txt", "w");
		fclose(f2);
	
		// open file2 in read mode and close it
		// this causes the leak of a file descriptor on the server
		// just watch /proc/sys/fs/file-nr on the server
		f2 = fopen(DIR "file2.txt", "r");
		fclose(f2);
	}
	fclose(f1);

	return 0;
}