diff options
Diffstat (limited to 'usr.bin/cmp/cmp.c')
| -rw-r--r-- | usr.bin/cmp/cmp.c | 146 |
1 files changed, 0 insertions, 146 deletions
diff --git a/usr.bin/cmp/cmp.c b/usr.bin/cmp/cmp.c deleted file mode 100644 index dc6c64e..0000000 --- a/usr.bin/cmp/cmp.c +++ /dev/null @@ -1,146 +0,0 @@ -/* - * Copyright (c) 1987, 1990, 1993, 1994 - * The Regents of the University of California. 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. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University 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 REGENTS 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 REGENTS 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. - */ - -#ifndef lint -static char copyright[] = -"@(#) Copyright (c) 1987, 1990, 1993, 1994\n\ - The Regents of the University of California. All rights reserved.\n"; -#endif /* not lint */ - -#ifndef lint -static char sccsid[] = "@(#)cmp.c 8.3 (Berkeley) 4/2/94"; -#endif /* not lint */ - -#include <sys/types.h> -#include <sys/stat.h> - -#include <err.h> -#include <fcntl.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> - -#include "extern.h" - -int lflag, sflag; - -static void usage __P((void)); - -int -main(argc, argv) - int argc; - char *argv[]; -{ - struct stat sb1, sb2; - off_t skip1, skip2; - int ch, fd1, fd2, special; - char *file1, *file2; - - while ((ch = getopt(argc, argv, "-ls")) != EOF) - switch (ch) { - case 'l': /* print all differences */ - lflag = 1; - break; - case 's': /* silent run */ - sflag = 1; - break; - case '-': /* stdin (must be after options) */ - --optind; - goto endargs; - case '?': - default: - usage(); - } -endargs: - argv += optind; - argc -= optind; - - if (lflag && sflag) - errx(ERR_EXIT, "only one of -l and -s may be specified"); - - if (argc < 2 || argc > 4) - usage(); - - /* Backward compatibility -- handle "-" meaning stdin. */ - special = 0; - if (strcmp(file1 = argv[0], "-") == 0) { - special = 1; - fd1 = 0; - file1 = "stdin"; - } - else if ((fd1 = open(file1, O_RDONLY, 0)) < 0) - err(ERR_EXIT, "%s", file1); - if (strcmp(file2 = argv[1], "-") == 0) { - if (special) - errx(ERR_EXIT, - "standard input may only be specified once"); - special = 1; - fd2 = 0; - file2 = "stdin"; - } - else if ((fd2 = open(file2, O_RDONLY, 0)) < 0) - err(ERR_EXIT, "%s", file2); - - skip1 = argc > 2 ? strtol(argv[2], NULL, 10) : 0; - skip2 = argc == 4 ? strtol(argv[3], NULL, 10) : 0; - - if (!special) { - if (fstat(fd1, &sb1)) - err(ERR_EXIT, "%s", file1); - if (!S_ISREG(sb1.st_mode)) - special = 1; - else { - if (fstat(fd2, &sb2)) - err(ERR_EXIT, "%s", file2); - if (!S_ISREG(sb2.st_mode)) - special = 1; - } - } - - if (special) - c_special(fd1, file1, skip1, fd2, file2, skip2); - else - c_regular(fd1, file1, skip1, sb1.st_size, - fd2, file2, skip2, sb2.st_size); - exit(0); -} - -static void -usage() -{ - - (void)fprintf(stderr, - "usage: cmp [-l | s] file1 file2 [skip1 [skip2]]\n"); - exit(ERR_EXIT); -} |
