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tests: cmd: don't recurse
This confers an >10x speedup on t/z-t/cmd builds (12s -> 1.1s), gets rid of 23 redundant identical automake specs and gitignores, and groups the binaries with their common headers Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: John Kennedy <john.kennedy@delphix.com> Reviewed-by: Ryan Moeller <ryan@iXsystems.com> Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz> Closes #13259
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/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or http://www.opensolaris.org/os/licensing.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/*
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* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
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* Use is subject to license terms.
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*/
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#include <stdio.h>
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#include <ctype.h>
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#include <unistd.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <stdlib.h>
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#include <string.h>
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#include <libintl.h>
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#include <errno.h>
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#include <sys/stdtypes.h>
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#include <sys/sysmacros.h>
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#define BLOCKSIZE 512 /* bytes */
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#define KILOBYTE 1024
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#define MEGABYTE (KILOBYTE * KILOBYTE)
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#define GIGABYTE (KILOBYTE * MEGABYTE)
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#define FILE_MODE (S_ISVTX + S_IRUSR + S_IWUSR)
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static __attribute__((noreturn)) void
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usage(void)
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{
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(void) fprintf(stderr, gettext(
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"Usage: mkfile [-nv] <size>[g|k|b|m] <name1> [<name2>] ...\n"));
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exit(1);
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}
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int
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main(int argc, char **argv)
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{
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char *opts;
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off_t size;
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size_t len;
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size_t mult = 1;
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char *buf = NULL;
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size_t bufsz = 0;
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int errors = 0;
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int i;
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int verbose = 0; /* option variable */
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int nobytes = 0; /* option variable */
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int saverr;
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if (argc == 1)
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usage();
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while (argv[1] && argv[1][0] == '-') {
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opts = &argv[1][0];
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while (*(++opts)) {
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switch (*opts) {
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case 'v':
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verbose++;
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break;
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case 'n':
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nobytes++;
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break;
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default:
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usage();
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}
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}
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argc--;
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argv++;
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}
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if (argc < 3)
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usage();
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len = strlen(argv[1]);
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if (len && isalpha(argv[1][len-1])) {
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switch (argv[1][len-1]) {
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case 'k':
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case 'K':
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mult = KILOBYTE;
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break;
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case 'b':
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case 'B':
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mult = BLOCKSIZE;
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break;
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case 'm':
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case 'M':
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mult = MEGABYTE;
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break;
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case 'g':
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case 'G':
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mult = GIGABYTE;
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break;
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default:
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(void) fprintf(stderr,
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gettext("unknown size %s\n"), argv[1]);
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usage();
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}
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for (i = 0; i <= (len-2); i++) {
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if (!isdigit(argv[1][i])) {
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(void) fprintf(stderr,
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gettext("unknown size %s\n"), argv[1]);
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usage();
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}
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}
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argv[1][len-1] = '\0';
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}
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size = ((off_t)atoll(argv[1]) * (off_t)mult);
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argv++;
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argc--;
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while (argc > 1) {
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int fd;
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if (verbose)
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(void) fprintf(stdout, gettext("%s %lld bytes\n"),
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argv[1], (offset_t)size);
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fd = open(argv[1], O_CREAT|O_TRUNC|O_RDWR, FILE_MODE);
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if (fd < 0) {
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saverr = errno;
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(void) fprintf(stderr,
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gettext("Could not open %s: %s\n"),
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argv[1], strerror(saverr));
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errors++;
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argv++;
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argc--;
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continue;
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} else if (fchown(fd, getuid(), getgid()) < 0) {
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saverr = errno;
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(void) fprintf(stderr, gettext(
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"Could not set owner/group of %s: %s\n"),
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argv[1], strerror(saverr));
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(void) close(fd);
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errors++;
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argv++;
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argc--;
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continue;
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} else if (lseek(fd, (off_t)size-1, SEEK_SET) < 0) {
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saverr = errno;
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(void) fprintf(stderr, gettext(
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"Could not seek to offset %ld in %s: %s\n"),
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(unsigned long)size-1, argv[1], strerror(saverr));
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(void) close(fd);
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errors++;
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argv++;
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argc--;
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continue;
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} else if (write(fd, "", 1) != 1) {
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saverr = errno;
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(void) fprintf(stderr, gettext(
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"Could not set length of %s: %s\n"),
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argv[1], strerror(saverr));
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(void) close(fd);
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errors++;
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argv++;
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argc--;
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continue;
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}
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if (!nobytes) {
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off_t written = 0;
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struct stat64 st;
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if (lseek(fd, (off_t)0, SEEK_SET) < 0) {
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saverr = errno;
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(void) fprintf(stderr, gettext(
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"Could not seek to beginning of %s: %s\n"),
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argv[1], strerror(saverr));
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(void) close(fd);
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errors++;
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argv++;
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argc--;
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continue;
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}
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if (fstat64(fd, &st) < 0) {
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saverr = errno;
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(void) fprintf(stderr, gettext(
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"Could not fstat64 %s: %s\n"),
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argv[1], strerror(saverr));
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(void) close(fd);
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errors++;
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argv++;
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argc--;
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continue;
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}
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if (bufsz != st.st_blksize) {
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if (buf)
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free(buf);
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bufsz = (size_t)st.st_blksize;
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buf = calloc(1, bufsz);
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if (buf == NULL) {
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(void) fprintf(stderr, gettext(
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"Could not allocate buffer of"
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" size %d\n"), (int)bufsz);
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(void) close(fd);
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bufsz = 0;
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errors++;
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argv++;
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argc--;
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continue;
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}
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}
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while (written < size) {
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ssize_t result;
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size_t bytes = (size_t)MIN(bufsz, size-written);
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if ((result = write(fd, buf, bytes)) !=
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(ssize_t)bytes) {
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saverr = errno;
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if (result < 0)
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result = 0;
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written += result;
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(void) fprintf(stderr, gettext(
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"%s: initialized %lu of %lu bytes: %s\n"),
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argv[1], (unsigned long)written,
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(unsigned long)size,
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strerror(saverr));
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errors++;
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break;
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}
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written += bytes;
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}
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/*
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* A write(2) call in the above loop failed so
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* close out this file and go on (error was
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* already incremented when the write(2) failed).
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*/
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if (written < size) {
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(void) close(fd);
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argv++;
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argc--;
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continue;
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}
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}
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if (close(fd) < 0) {
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saverr = errno;
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(void) fprintf(stderr, gettext(
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"Error encountered when closing %s: %s\n"),
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argv[1], strerror(saverr));
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errors++;
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argv++;
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argc--;
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continue;
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}
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/*
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* Only set the modes (including the sticky bit) if we
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* had no problems. It is not an error for the chmod(2)
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* to fail, but do issue a warning.
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*/
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if (chmod(argv[1], FILE_MODE) < 0)
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(void) fprintf(stderr, gettext(
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"warning: couldn't set mode to %#o\n"), FILE_MODE);
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argv++;
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argc--;
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}
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return (errors);
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}
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