1/* test whether ftruncte() can extend a file */
2
3#if defined(HAVE_UNISTD_H)
4#include <unistd.h>
5#endif
6
7#include <sys/types.h>
8#include <sys/stat.h>
9#include <fcntl.h>
10
11#define DATA "conftest.trunc"
12#define LEN 7663
13
14main()
15{
16	int *buf;
17	int fd = open(DATA,O_RDWR|O_CREAT|O_TRUNC,0666);
18
19	if (fd == -1) {
20		exit(1);
21	}
22
23	ftruncate(fd, LEN);
24
25	unlink(DATA);
26
27	if (lseek(fd, 0, SEEK_END) == LEN) {
28		exit(0);
29	}
30	exit(1);
31}
32