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5e3934b15a
Apply the following automated changes to try to eliminate no-longer-needed sys/cdefs.h includes as well as now-empty blank lines in a row. Remove /^#if.*\n#endif.*\n#include\s+<sys/cdefs.h>.*\n/ Remove /\n+#include\s+<sys/cdefs.h>.*\n+#if.*\n#endif.*\n+/ Remove /\n+#if.*\n#endif.*\n+/ Remove /^#if.*\n#endif.*\n/ Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/types.h>/ Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/param.h>/ Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/capsicum.h>/ Sponsored by: Netflix
122 lines
3.5 KiB
C
122 lines
3.5 KiB
C
/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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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. 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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#include <sys/types.h>
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#include <capsicum_helpers.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 "extern.h"
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void
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c_special(int fd1, const char *file1, off_t skip1,
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int fd2, const char *file2, off_t skip2, off_t limit)
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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 (caph_limit_stream(fd1, CAPH_READ) < 0)
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err(ERR_EXIT, "caph_limit_stream(%s)", file1);
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if (caph_limit_stream(fd2, CAPH_READ) < 0)
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err(ERR_EXIT, "caph_limit_stream(%s)", file2);
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if (caph_enter() < 0)
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err(ERR_EXIT, "unable to enter capability mode");
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if ((fp1 = fdopen(fd1, "r")) == NULL)
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err(ERR_EXIT, "%s", file1);
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(void)setvbuf(fp1, NULL, _IOFBF, 65536);
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if ((fp2 = fdopen(fd2, "r")) == NULL)
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err(ERR_EXIT, "%s", file2);
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(void)setvbuf(fp2, NULL, _IOFBF, 65536);
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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; limit == 0 || byte <= limit; ++byte) {
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#ifdef SIGINFO
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if (info) {
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(void)fprintf(stderr, "%s %s char %zu line %zu\n",
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file1, file2, (size_t)byte, (size_t)line);
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info = 0;
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}
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#endif
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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 (xflag) {
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dfound = 1;
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(void)printf("%08llx %02x %02x\n",
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(long long)byte - 1, ch1, ch2);
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} else if (lflag) {
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dfound = 1;
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if (bflag)
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(void)printf("%6lld %3o %c %3o %c\n",
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(long long)byte, ch1, ch1, ch2,
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ch2);
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else
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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, ch1, ch2);
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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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fclose(fp2);
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fclose(fp1);
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if (dfound)
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exit(DIFF_EXIT);
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}
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