diff options
Diffstat (limited to 'tools/regression/file/ftruncate/ftruncate.c')
| -rw-r--r-- | tools/regression/file/ftruncate/ftruncate.c | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/tools/regression/file/ftruncate/ftruncate.c b/tools/regression/file/ftruncate/ftruncate.c deleted file mode 100644 index aebcdcd..0000000 --- a/tools/regression/file/ftruncate/ftruncate.c +++ /dev/null @@ -1,177 +0,0 @@ -/*- - * Copyright (c) 2006 Robert N. M. Watson - * 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. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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. - * - * $FreeBSD$ - */ - -/* - * Very simple regression test. - * - * Future tests that might be of interest: - * - * - Make sure we get EISDIR on a directory. - */ - -#include <sys/types.h> -#include <sys/event.h> -#include <sys/socket.h> -#include <sys/stat.h> - -#include <err.h> -#include <errno.h> -#include <fcntl.h> -#include <inttypes.h> -#include <limits.h> -#include <stdio.h> -#include <unistd.h> - -/* - * Select various potentially interesting lengths at and around power of 2 - * edges. - */ -static off_t lengths[] = {0, 1, 2, 3, 4, 127, 128, 129, 511, 512, 513, 1023, - 1024, 1025, 2047, 2048, 2049, 4095, 4096, 4097, 8191, 8192, 8193, 16383, - 16384, 16385}; -static int lengths_count = sizeof(lengths) / sizeof(off_t); - -int -main(int argc, char *argv[]) -{ - int error, fd, fds[2], i, read_only_fd; - char path[PATH_MAX]; - struct stat sb; - size_t size; - off_t len; - char ch; - - /* - * Tests using a writable temporary file: grow and then shrink a file - * using ftruncate and various lengths. Make sure that a negative - * file length is rejected. Make sure that when we grow the file, - * bytes now in the range of the file size return 0. - * - * Save a read-only reference to the file to use later for read-only - * descriptor tests. - */ - snprintf(path, PATH_MAX, "/tmp/ftruncate.XXXXXXXXXXXXX"); - fd = mkstemp(path); - if (fd < 0) - err(-1, "makestemp"); - read_only_fd = open(path, O_RDONLY); - if (read_only_fd < 0) { - error = errno; - (void)unlink(path); - errno = error; - err(-1, "open(%s, O_RDONLY)", path); - } - (void)unlink(path); - - if (ftruncate(fd, -1) == 0) - errx(-1, "ftruncate(fd, -1) succeeded"); - if (errno != EINVAL) - err(-1, "ftruncate(fd, -1) returned wrong error"); - - for (i = 0; i < lengths_count; i++) { - len = lengths[i]; - if (ftruncate(fd, len) < 0) - err(-1, "ftruncate(%llu) up", len); - if (fstat(fd, &sb) < 0) - err(-1, "stat"); - if (sb.st_size != len) - errx(-1, "fstat(%llu) returned len %llu up", len, - sb.st_size); - if (len != 0) { - size = pread(fd, &ch, sizeof(ch), len - 1); - if (size < 0) - err(-1, "pread on len %llu up", len); - if (size != sizeof(ch)) - errx(-1, "pread len %llu size %jd up", - len, (intmax_t)size); - if (ch != 0) - errx(-1, - "pread length %llu size %jd ch %d up", - len, (intmax_t)size, ch); - } - } - - for (i = lengths_count - 1; i >= 0; i--) { - len = lengths[i]; - if (ftruncate(fd, len) < 0) - err(-1, "ftruncate(%llu) down", len); - if (fstat(fd, &sb) < 0) - err(-1, "stat"); - if (sb.st_size != len) - errx(-1, "fstat(%llu) returned %llu down", len, - sb.st_size); - } - close(fd); - - /* - * Make sure that a read-only descriptor can't be truncated. - */ - if (ftruncate(read_only_fd, 0) == 0) - errx(-1, "ftruncate(read_only_fd) succeeded"); - if (errno != EINVAL) - err(-1, "ftruncate(read_only_fd) returned wrong error"); - close(read_only_fd); - - /* - * Make sure that ftruncate on sockets doesn't work. - */ - fd = socket(PF_UNIX, SOCK_STREAM, 0); - if (fd < 0) - err(-1, "socket(PF_UNIX, SOCK_STREAM, 0)"); - if (ftruncate(fd, 0) == 0) - errx(-1, "ftruncate(socket) succeeded"); - if (errno != EINVAL) - err(-1, "ftruncate(socket) returned wrong error"); - close(fd); - - /* - * Make sure that ftruncate on pipes doesn't work. - */ - if (pipe(fds) < 0) - err(-1, "pipe"); - if (ftruncate(fds[0], 0) == 0) - errx(-1, "ftruncate(pipe) succeeded"); - if (errno != EINVAL) - err(-1, "ftruncate(pipe) returned wrong error"); - close(fds[0]); - close(fds[1]); - - /* - * Make sure that ftruncate on kqueues doesn't work. - */ - fd = kqueue(); - if (fd < 0) - err(-1, "kqueue"); - if (ftruncate(fds[0], 0) == 0) - errx(-1, "ftruncate(kqueue) succeeded"); - if (errno != EINVAL) - err(-1, "ftruncate(kqueue) returned wrong error"); - close(fd); - - return (0); -} |
