mirror of
https://git.FreeBSD.org/src.git
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9f5b04e925
of the recent WARNS commits. The idea is: 1) FreeBSD id tags should follow vendor tags. 2) Vendor tags should not be compiled (though copyrights probably should). 3) There should be no blank line between including cdefs and __FBSDIF.
108 lines
3.1 KiB
C
108 lines
3.1 KiB
C
/*-
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* Copyright (c) 1991, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#if 0
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#ifndef lint
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static char sccsid[] = "@(#)special.c 8.3 (Berkeley) 4/2/94";
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#endif
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#endif
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/types.h>
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#include <err.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include "extern.h"
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void
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c_special(fd1, file1, skip1, fd2, file2, skip2)
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int fd1, fd2;
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const char *file1, *file2;
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off_t skip1, skip2;
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{
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int ch1, ch2;
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off_t byte, line;
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FILE *fp1, *fp2;
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int dfound;
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if ((fp1 = fdopen(fd1, "r")) == NULL)
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err(ERR_EXIT, "%s", file1);
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if ((fp2 = fdopen(fd2, "r")) == NULL)
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err(ERR_EXIT, "%s", file2);
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dfound = 0;
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while (skip1--)
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if (getc(fp1) == EOF)
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goto eof;
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while (skip2--)
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if (getc(fp2) == EOF)
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goto eof;
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for (byte = line = 1;; ++byte) {
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ch1 = getc(fp1);
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ch2 = getc(fp2);
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if (ch1 == EOF || ch2 == EOF)
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break;
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if (ch1 != ch2) {
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if (lflag) {
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dfound = 1;
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(void)printf("%6lld %3o %3o\n",
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(long long)byte, ch1, ch2);
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} else {
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diffmsg(file1, file2, byte, line);
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/* NOTREACHED */
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}
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}
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if (ch1 == '\n')
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++line;
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}
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eof: if (ferror(fp1))
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err(ERR_EXIT, "%s", file1);
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if (ferror(fp2))
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err(ERR_EXIT, "%s", file2);
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if (feof(fp1)) {
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if (!feof(fp2))
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eofmsg(file1);
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} else
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if (feof(fp2))
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eofmsg(file2);
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if (dfound)
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exit(DIFF_EXIT);
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}
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