2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1991, 1993, 1994
5 * The Regents of the University of California. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 static char sccsid[] = "@(#)special.c 8.3 (Berkeley) 4/2/94";
38 #include <sys/cdefs.h>
39 __FBSDID("$FreeBSD$");
41 #include <sys/types.h>
43 #include <capsicum_helpers.h>
51 c_special(int fd1, const char *file1, off_t skip1,
52 int fd2, const char *file2, off_t skip2, off_t limit)
59 if (caph_limit_stream(fd1, CAPH_READ) < 0)
60 err(ERR_EXIT, "caph_limit_stream(%s)", file1);
61 if (caph_limit_stream(fd2, CAPH_READ) < 0)
62 err(ERR_EXIT, "caph_limit_stream(%s)", file2);
64 err(ERR_EXIT, "unable to enter capability mode");
66 if ((fp1 = fdopen(fd1, "r")) == NULL)
67 err(ERR_EXIT, "%s", file1);
68 (void)setvbuf(fp1, NULL, _IOFBF, 65536);
69 if ((fp2 = fdopen(fd2, "r")) == NULL)
70 err(ERR_EXIT, "%s", file2);
71 (void)setvbuf(fp2, NULL, _IOFBF, 65536);
81 for (byte = line = 1; limit == 0 || byte <= limit; ++byte) {
84 (void)fprintf(stderr, "%s %s char %zu line %zu\n",
85 file1, file2, (size_t)byte, (size_t)line);
91 if (ch1 == EOF || ch2 == EOF)
96 (void)printf("%08llx %02x %02x\n",
97 (long long)byte - 1, ch1, ch2);
101 (void)printf("%6lld %3o %c %3o %c\n",
102 (long long)byte, ch1, ch1, ch2,
105 (void)printf("%6lld %3o %3o\n",
106 (long long)byte, ch1, ch2);
108 diffmsg(file1, file2, byte, line, ch1, ch2);
116 eof: if (ferror(fp1))
117 err(ERR_EXIT, "%s", file1);
119 err(ERR_EXIT, "%s", file2);