diff options
Diffstat (limited to 'usr.sbin/afs/src/tests/still-there-p.c')
-rw-r--r-- | usr.sbin/afs/src/tests/still-there-p.c | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/usr.sbin/afs/src/tests/still-there-p.c b/usr.sbin/afs/src/tests/still-there-p.c new file mode 100644 index 00000000000..be097c58ac8 --- /dev/null +++ b/usr.sbin/afs/src/tests/still-there-p.c @@ -0,0 +1,93 @@ +/* + * Copyright (c) 2001 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <stdio.h> +#include <stdlib.h> +#include <errno.h> + +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <unistd.h> +#include <dirent.h> + +#include <roken.h> + +#include <err.h> + +RCSID("$KTH: still-there-p.c,v 1.1.2.1 2001/04/28 22:09:39 lha Exp $"); + +#define TEST_BUFFER_SZ (1024*8) + +int +main(int argc, char **argv) +{ + const char *file = "foo"; + char otherbuf[TEST_BUFFER_SZ]; + char buf[TEST_BUFFER_SZ]; + int fd; + + set_progname (argv[0]); + + fd = open (file, O_RDWR|O_TRUNC|O_CREAT, 0644); + if (fd < 0) + err(1, "open(%s)", file); + + if (write (fd, buf, sizeof(buf)) != sizeof(buf)) + errx(1, "write"); + + while (1) { + if (lseek(fd, 0, SEEK_SET) < 0) + err(1, "lseek"); + + if (read(fd, otherbuf, sizeof(otherbuf)) != sizeof(otherbuf)) { + struct stat sb; + + if (fstat(fd, &sb) < 0) + err(1, "fstat"); + printf("size: %d\n", (int)sb.st_size); + printf ("lseek(SEEK_CUR): %d\n", (int)lseek(fd, 0, SEEK_CUR)); + errx(1, "read"); + } + + if (memcmp(buf, otherbuf, sizeof(buf)) != 0) + errx (1, "buf != otherbuf"); + } + close(fd); + + return 0; +} |