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samba-mirror/tests/ftruncate.c
David Disseldorp e132458039 tests: don't rely on implicit int return type
Signed-off-by: David Disseldorp <ddiss@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>

Autobuild-User(master): David Disseldorp <ddiss@samba.org>
Autobuild-Date(master): Tue Jan 29 03:47:27 CET 2019 on sn-devel-144
2019-01-29 03:47:27 +01:00

32 lines
430 B
C

/* test whether ftruncte() can extend a file */
#if defined(HAVE_UNISTD_H)
#include <unistd.h>
#endif
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#define DATA "conftest.trunc"
#define LEN 7663
int main(void)
{
int *buf;
int fd = open(DATA,O_RDWR|O_CREAT|O_TRUNC,0666);
if (fd == -1) {
exit(1);
}
ftruncate(fd, LEN);
unlink(DATA);
if (lseek(fd, 0, SEEK_END) == LEN) {
exit(0);
}
exit(1);
}