| 1 | /*
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| 2 | * Copyright (c) 1988, 1993, 1994
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| 3 | * The Regents of the University of California. All rights reserved.
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| 4 | *
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| 5 | * This code is derived from software contributed to Berkeley by
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| 6 | * David Hitz of Auspex Systems Inc.
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| 7 | *
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| 8 | * Redistribution and use in source and binary forms, with or without
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| 9 | * modification, are permitted provided that the following conditions
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| 10 | * are met:
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| 11 | * 1. Redistributions of source code must retain the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer.
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| 13 | * 2. Redistributions in binary form must reproduce the above copyright
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| 14 | * notice, this list of conditions and the following disclaimer in the
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| 15 | * documentation and/or other materials provided with the distribution.
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| 16 | * 4. Neither the name of the University nor the names of its contributors
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| 17 | * may be used to endorse or promote products derived from this software
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| 18 | * without specific prior written permission.
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| 19 | *
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| 20 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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| 21 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 22 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 23 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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| 24 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 25 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 26 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 27 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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| 28 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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| 29 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 30 | * SUCH DAMAGE.
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| 31 | */
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| 32 |
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| 33 | #if 0
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| 34 | #ifndef lint
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| 35 | static char const copyright[] =
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| 36 | "@(#) Copyright (c) 1988, 1993, 1994\n\
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| 37 | The Regents of the University of California. All rights reserved.\n";
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| 38 | #endif /* not lint */
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| 39 |
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| 40 | #ifndef lint
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| 41 | static char sccsid[] = "@(#)cp.c 8.2 (Berkeley) 4/1/94";
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| 42 | #endif /* not lint */
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| 43 | #include <sys/cdefs.h>
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| 44 | __FBSDID("$FreeBSD: src/bin/cp/cp.c,v 1.50 2004/04/06 20:06:44 markm Exp $");
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| 45 | #endif
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| 46 |
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| 47 | /*
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| 48 | * Cp copies source files to target files.
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| 49 | *
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| 50 | * The global PATH_T structure "to" always contains the path to the
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| 51 | * current target file. Since fts(3) does not change directories,
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| 52 | * this path can be either absolute or dot-relative.
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| 53 | *
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| 54 | * The basic algorithm is to initialize "to" and use fts(3) to traverse
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| 55 | * the file hierarchy rooted in the argument list. A trivial case is the
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| 56 | * case of 'cp file1 file2'. The more interesting case is the case of
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| 57 | * 'cp file1 file2 ... fileN dir' where the hierarchy is traversed and the
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| 58 | * path (relative to the root of the traversal) is appended to dir (stored
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| 59 | * in "to") to form the final target path.
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| 60 | */
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| 61 |
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| 62 | #include <sys/types.h>
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| 63 | #include <sys/stat.h>
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| 64 |
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| 65 | #include "err.h"
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| 66 | #include <errno.h>
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| 67 | #include <fts.h>
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| 68 | #include <limits.h>
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| 69 | #include <signal.h>
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| 70 | #include <stdio.h>
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| 71 | #include <stdlib.h>
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| 72 | #include <string.h>
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| 73 | #include <unistd.h>
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| 74 |
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| 75 | #ifdef _MSC_VER
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| 76 | # include "mscfakes.h"
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| 77 | #endif
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| 78 |
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| 79 | #include "cp_extern.h"
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| 80 |
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| 81 | #ifndef S_IFWHT
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| 82 | #define S_IFWHT 0
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| 83 | #define S_ISWHT(s) 0
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| 84 | #define undelete(s) (-1)
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| 85 | #endif
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| 86 |
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| 87 | #ifndef S_ISTXT
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| 88 | #ifdef S_ISVTX
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| 89 | #define S_ISTXT S_ISVTX
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| 90 | #else
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| 91 | #define S_ISTXT 0
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| 92 | #endif
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| 93 | #endif /* !S_ISTXT */
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| 94 |
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| 95 | #ifndef __unused
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| 96 | # define __unused
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| 97 | #endif
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| 98 |
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| 99 | #define STRIP_TRAILING_SLASH(p) { \
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| 100 | while ((p).p_end > (p).p_path + 1 && (p).p_end[-1] == '/') \
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| 101 | *--(p).p_end = 0; \
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| 102 | }
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| 103 |
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| 104 | /* have wrappers for globals in cp_extern! */
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| 105 |
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| 106 | const char *cp_argv0;
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| 107 | static char emptystring[] = "";
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| 108 |
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| 109 | PATH_T to = { to.p_path, emptystring, "" };
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| 110 |
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| 111 | int fflag, iflag, nflag, pflag, vflag;
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| 112 | static int Rflag, rflag;
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| 113 | volatile sig_atomic_t info;
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| 114 |
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| 115 | enum op { FILE_TO_FILE, FILE_TO_DIR, DIR_TO_DNE };
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| 116 |
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| 117 | static int copy(char *[], enum op, int);
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| 118 | static int mastercmp(const FTSENT * const *, const FTSENT * const *);
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| 119 | #ifdef SIGINFO
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| 120 | static void siginfo(int __unused);
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| 121 | #endif
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| 122 |
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| 123 | int
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| 124 | kmk_builtin_cp(int argc, char *argv[])
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| 125 | {
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| 126 | struct stat to_stat, tmp_stat;
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| 127 | enum op type;
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| 128 | int Hflag, Lflag, Pflag, ch, fts_options, r, have_trailing_slash;
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| 129 | char *target;
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| 130 |
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| 131 | /* init globals */
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| 132 | cp_argv0 = argv[0];
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| 133 | to.p_end = to.p_path;
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| 134 | to.target_end = emptystring;
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| 135 | memset(to.p_path, 0, sizeof(to.p_path));
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| 136 | fflag = iflag = nflag = pflag = vflag = Rflag = rflag = 0;
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| 137 | info = 0;
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| 138 |
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| 139 | /* reset getopt and set progname. */
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| 140 | g_progname = argv[0];
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| 141 | opterr = 1;
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| 142 | optarg = NULL;
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| 143 | optopt = 0;
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| 144 | optind = 0; /* init */
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| 145 |
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| 146 | Hflag = Lflag = Pflag = 0;
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| 147 | while ((ch = getopt(argc, argv, "HLPRfinprv")) != -1)
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| 148 | switch (ch) {
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| 149 | case 'H':
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| 150 | Hflag = 1;
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| 151 | Lflag = Pflag = 0;
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| 152 | break;
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| 153 | case 'L':
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| 154 | Lflag = 1;
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| 155 | Hflag = Pflag = 0;
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| 156 | break;
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| 157 | case 'P':
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| 158 | Pflag = 1;
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| 159 | Hflag = Lflag = 0;
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| 160 | break;
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| 161 | case 'R':
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| 162 | #ifdef DO_CP_TREE
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| 163 | Rflag = 1;
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| 164 | break;
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| 165 | #else
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| 166 | return errx(1, "recursive copy is not implemented!");
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| 167 | #endif
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| 168 | case 'f':
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| 169 | fflag = 1;
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| 170 | iflag = nflag = 0;
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| 171 | break;
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| 172 | case 'i':
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| 173 | iflag = 1;
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| 174 | fflag = nflag = 0;
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| 175 | break;
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| 176 | case 'n':
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| 177 | nflag = 1;
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| 178 | fflag = iflag = 0;
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| 179 | break;
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| 180 | case 'p':
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| 181 | pflag = 1;
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| 182 | break;
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| 183 | case 'r':
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| 184 | #ifdef DO_CP_TREE
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| 185 | rflag = 1;
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| 186 | break;
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| 187 | #else
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| 188 | return errx(1, "recursive copy is not implemented!");
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| 189 | #endif
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| 190 | case 'v':
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| 191 | vflag = 1;
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| 192 | break;
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| 193 | default:
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| 194 | return usage();
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| 195 | }
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| 196 | argc -= optind;
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| 197 | argv += optind;
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| 198 |
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| 199 | if (argc < 2)
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| 200 | return usage();
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| 201 |
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| 202 | fts_options = FTS_NOCHDIR | FTS_PHYSICAL;
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| 203 | if (rflag) {
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| 204 | if (Rflag)
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| 205 | return errx(1,
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| 206 | "the -R and -r options may not be specified together.");
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| 207 | if (Hflag || Lflag || Pflag)
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| 208 | errx(1,
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| 209 | "the -H, -L, and -P options may not be specified with the -r option.");
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| 210 | #ifdef DO_CP_TREE
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| 211 | fts_options &= ~FTS_PHYSICAL;
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| 212 | fts_options |= FTS_LOGICAL;
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| 213 | #endif
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| 214 | }
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| 215 | #ifdef DO_CP_TREE
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| 216 | if (Rflag) {
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| 217 | if (Hflag)
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| 218 | fts_options |= FTS_COMFOLLOW;
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| 219 | if (Lflag) {
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| 220 | fts_options &= ~FTS_PHYSICAL;
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| 221 | fts_options |= FTS_LOGICAL;
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| 222 | }
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| 223 | } else
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| 224 | #endif
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| 225 | {
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| 226 | fts_options &= ~FTS_PHYSICAL;
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| 227 | fts_options |= FTS_LOGICAL | FTS_COMFOLLOW;
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| 228 | }
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| 229 | #ifdef SIGINFO
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| 230 | (void)signal(SIGINFO, siginfo);
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| 231 | #endif
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| 232 |
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| 233 | /* Save the target base in "to". */
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| 234 | target = argv[--argc];
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| 235 | if (strlcpy(to.p_path, target, sizeof(to.p_path)) >= sizeof(to.p_path))
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| 236 | return errx(1, "%s: name too long", target);
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| 237 | to.p_end = to.p_path + strlen(to.p_path);
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| 238 | if (to.p_path == to.p_end) {
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| 239 | *to.p_end++ = '.';
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| 240 | *to.p_end = 0;
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| 241 | }
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| 242 | have_trailing_slash = (to.p_end[-1] == '/');
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| 243 | if (have_trailing_slash)
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| 244 | STRIP_TRAILING_SLASH(to);
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| 245 | to.target_end = to.p_end;
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| 246 |
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| 247 | /* Set end of argument list for fts(3). */
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| 248 | argv[argc] = NULL;
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| 249 |
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| 250 | /*
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| 251 | * Cp has two distinct cases:
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| 252 | *
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| 253 | * cp [-R] source target
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| 254 | * cp [-R] source1 ... sourceN directory
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| 255 | *
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| 256 | * In both cases, source can be either a file or a directory.
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| 257 | *
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| 258 | * In (1), the target becomes a copy of the source. That is, if the
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| 259 | * source is a file, the target will be a file, and likewise for
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| 260 | * directories.
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| 261 | *
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| 262 | * In (2), the real target is not directory, but "directory/source".
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| 263 | */
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| 264 | r = stat(to.p_path, &to_stat);
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| 265 | if (r == -1 && errno != ENOENT)
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| 266 | return err(1, "%s", to.p_path);
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| 267 | if (r == -1 || !S_ISDIR(to_stat.st_mode)) {
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| 268 | /*
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| 269 | * Case (1). Target is not a directory.
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| 270 | */
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| 271 | if (argc > 1)
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| 272 | return usage();
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| 273 | /*
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| 274 | * Need to detect the case:
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| 275 | * cp -R dir foo
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| 276 | * Where dir is a directory and foo does not exist, where
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| 277 | * we want pathname concatenations turned on but not for
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| 278 | * the initial mkdir().
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| 279 | */
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| 280 | if (r == -1) {
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| 281 | if (rflag || (Rflag && (Lflag || Hflag)))
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| 282 | stat(*argv, &tmp_stat);
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| 283 | else
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| 284 | lstat(*argv, &tmp_stat);
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| 285 |
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| 286 | if (S_ISDIR(tmp_stat.st_mode) && (Rflag || rflag))
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| 287 | type = DIR_TO_DNE;
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| 288 | else
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| 289 | type = FILE_TO_FILE;
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| 290 | } else
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| 291 | type = FILE_TO_FILE;
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| 292 |
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| 293 | if (have_trailing_slash && type == FILE_TO_FILE) {
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| 294 | if (r == -1)
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| 295 | return errx(1, "directory %s does not exist",
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| 296 | to.p_path);
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| 297 | else
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| 298 | return errx(1, "%s is not a directory", to.p_path);
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| 299 | }
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| 300 | } else
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| 301 | /*
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| 302 | * Case (2). Target is a directory.
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| 303 | */
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| 304 | type = FILE_TO_DIR;
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| 305 |
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| 306 | return copy(argv, type, fts_options);
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| 307 | }
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| 308 |
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| 309 | static int
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| 310 | copy(char *argv[], enum op type, int fts_options)
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| 311 | {
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| 312 | struct stat to_stat;
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| 313 | FTS *ftsp;
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| 314 | FTSENT *curr;
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| 315 | int base = 0, dne, badcp, rval;
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| 316 | size_t nlen;
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| 317 | char *p, *target_mid;
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| 318 | mode_t mask, mode;
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| 319 |
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| 320 | /*
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| 321 | * Keep an inverted copy of the umask, for use in correcting
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| 322 | * permissions on created directories when not using -p.
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| 323 | */
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| 324 | mask = ~umask(0777);
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| 325 | umask(~mask);
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| 326 |
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| 327 | if ((ftsp = fts_open(argv, fts_options, mastercmp)) == NULL)
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| 328 | return err(1, "fts_open");
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| 329 | for (badcp = rval = 0; (curr = fts_read(ftsp)) != NULL; badcp = 0) {
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| 330 | switch (curr->fts_info) {
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| 331 | case FTS_NS:
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| 332 | case FTS_DNR:
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| 333 | case FTS_ERR:
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| 334 | warnx("%s: %s",
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| 335 | curr->fts_path, strerror(curr->fts_errno));
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| 336 | badcp = rval = 1;
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| 337 | continue;
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| 338 | case FTS_DC: /* Warn, continue. */
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| 339 | warnx("%s: directory causes a cycle", curr->fts_path);
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| 340 | badcp = rval = 1;
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| 341 | continue;
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| 342 | default:
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| 343 | ;
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| 344 | }
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| 345 |
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| 346 | /*
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| 347 | * If we are in case (2) or (3) above, we need to append the
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| 348 | * source name to the target name.
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| 349 | */
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| 350 | if (type != FILE_TO_FILE) {
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| 351 | /*
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| 352 | * Need to remember the roots of traversals to create
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| 353 | * correct pathnames. If there's a directory being
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| 354 | * copied to a non-existent directory, e.g.
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| 355 | * cp -R a/dir noexist
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| 356 | * the resulting path name should be noexist/foo, not
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| 357 | * noexist/dir/foo (where foo is a file in dir), which
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| 358 | * is the case where the target exists.
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| 359 | *
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| 360 | * Also, check for "..". This is for correct path
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| 361 | * concatenation for paths ending in "..", e.g.
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| 362 | * cp -R .. /tmp
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| 363 | * Paths ending in ".." are changed to ".". This is
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| 364 | * tricky, but seems the easiest way to fix the problem.
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| 365 | *
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| 366 | * XXX
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| 367 | * Since the first level MUST be FTS_ROOTLEVEL, base
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| 368 | * is always initialized.
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| 369 | */
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| 370 | if (curr->fts_level == FTS_ROOTLEVEL) {
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| 371 | if (type != DIR_TO_DNE) {
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| 372 | p = strrchr(curr->fts_path, '/');
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| 373 | base = (p == NULL) ? 0 :
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| 374 | (int)(p - curr->fts_path + 1);
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| 375 |
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| 376 | if (!strcmp(&curr->fts_path[base],
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| 377 | ".."))
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| 378 | base += 1;
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| 379 | } else
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| 380 | base = curr->fts_pathlen;
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| 381 | }
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| 382 |
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| 383 | p = &curr->fts_path[base];
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| 384 | nlen = curr->fts_pathlen - base;
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| 385 | target_mid = to.target_end;
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| 386 | if (*p != '/' && target_mid[-1] != '/')
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| 387 | *target_mid++ = '/';
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| 388 | *target_mid = 0;
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| 389 | if (target_mid - to.p_path + nlen >= PATH_MAX) {
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| 390 | warnx("%s%s: name too long (not copied)",
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| 391 | to.p_path, p);
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| 392 | badcp = rval = 1;
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| 393 | continue;
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| 394 | }
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| 395 | (void)strncat(target_mid, p, nlen);
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| 396 | to.p_end = target_mid + nlen;
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| 397 | *to.p_end = 0;
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| 398 | STRIP_TRAILING_SLASH(to);
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| 399 | }
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| 400 |
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| 401 | if (curr->fts_info == FTS_DP) {
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| 402 | /*
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| 403 | * We are nearly finished with this directory. If we
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| 404 | * didn't actually copy it, or otherwise don't need to
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| 405 | * change its attributes, then we are done.
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| 406 | */
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| 407 | if (!curr->fts_number)
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| 408 | continue;
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| 409 | /*
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| 410 | * If -p is in effect, set all the attributes.
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| 411 | * Otherwise, set the correct permissions, limited
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| 412 | * by the umask. Optimise by avoiding a chmod()
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| 413 | * if possible (which is usually the case if we
|
|---|
| 414 | * made the directory). Note that mkdir() does not
|
|---|
| 415 | * honour setuid, setgid and sticky bits, but we
|
|---|
| 416 | * normally want to preserve them on directories.
|
|---|
| 417 | */
|
|---|
| 418 | if (pflag) {
|
|---|
| 419 | if (setfile(curr->fts_statp, -1))
|
|---|
| 420 | rval = 1;
|
|---|
| 421 | } else {
|
|---|
| 422 | mode = curr->fts_statp->st_mode;
|
|---|
| 423 | if ((mode & (S_ISUID | S_ISGID | S_ISTXT)) ||
|
|---|
| 424 | ((mode | S_IRWXU) & mask) != (mode & mask))
|
|---|
| 425 | if (chmod(to.p_path, mode & mask) != 0){
|
|---|
| 426 | warn("chmod: %s", to.p_path);
|
|---|
| 427 | rval = 1;
|
|---|
| 428 | }
|
|---|
| 429 | }
|
|---|
| 430 | continue;
|
|---|
| 431 | }
|
|---|
| 432 |
|
|---|
| 433 | /* Not an error but need to remember it happened */
|
|---|
| 434 | if (stat(to.p_path, &to_stat) == -1)
|
|---|
| 435 | dne = 1;
|
|---|
| 436 | else {
|
|---|
| 437 | if (to_stat.st_dev == curr->fts_statp->st_dev &&
|
|---|
| 438 | to_stat.st_dev != 0 &&
|
|---|
| 439 | to_stat.st_ino == curr->fts_statp->st_ino &&
|
|---|
| 440 | to_stat.st_ino != 0) {
|
|---|
| 441 | warnx("%s and %s are identical (not copied).",
|
|---|
| 442 | to.p_path, curr->fts_path);
|
|---|
| 443 | badcp = rval = 1;
|
|---|
| 444 | if (S_ISDIR(curr->fts_statp->st_mode))
|
|---|
| 445 | (void)fts_set(ftsp, curr, FTS_SKIP);
|
|---|
| 446 | continue;
|
|---|
| 447 | }
|
|---|
| 448 | if (!S_ISDIR(curr->fts_statp->st_mode) &&
|
|---|
| 449 | S_ISDIR(to_stat.st_mode)) {
|
|---|
| 450 | warnx("cannot overwrite directory %s with "
|
|---|
| 451 | "non-directory %s",
|
|---|
| 452 | to.p_path, curr->fts_path);
|
|---|
| 453 | badcp = rval = 1;
|
|---|
| 454 | continue;
|
|---|
| 455 | }
|
|---|
| 456 | dne = 0;
|
|---|
| 457 | }
|
|---|
| 458 |
|
|---|
| 459 | switch (curr->fts_statp->st_mode & S_IFMT) {
|
|---|
| 460 | #ifdef S_IFLNK
|
|---|
| 461 | case S_IFLNK:
|
|---|
| 462 | /* Catch special case of a non-dangling symlink */
|
|---|
| 463 | if ((fts_options & FTS_LOGICAL) ||
|
|---|
| 464 | ((fts_options & FTS_COMFOLLOW) &&
|
|---|
| 465 | curr->fts_level == 0)) {
|
|---|
| 466 | if (copy_file(curr, dne))
|
|---|
| 467 | badcp = rval = 1;
|
|---|
| 468 | } else {
|
|---|
| 469 | if (copy_link(curr, !dne))
|
|---|
| 470 | badcp = rval = 1;
|
|---|
| 471 | }
|
|---|
| 472 | break;
|
|---|
| 473 | #endif
|
|---|
| 474 | case S_IFDIR:
|
|---|
| 475 | if (!Rflag && !rflag) {
|
|---|
| 476 | warnx("%s is a directory (not copied).",
|
|---|
| 477 | curr->fts_path);
|
|---|
| 478 | (void)fts_set(ftsp, curr, FTS_SKIP);
|
|---|
| 479 | badcp = rval = 1;
|
|---|
| 480 | break;
|
|---|
| 481 | }
|
|---|
| 482 | /*
|
|---|
| 483 | * If the directory doesn't exist, create the new
|
|---|
| 484 | * one with the from file mode plus owner RWX bits,
|
|---|
| 485 | * modified by the umask. Trade-off between being
|
|---|
| 486 | * able to write the directory (if from directory is
|
|---|
| 487 | * 555) and not causing a permissions race. If the
|
|---|
| 488 | * umask blocks owner writes, we fail..
|
|---|
| 489 | */
|
|---|
| 490 | if (dne) {
|
|---|
| 491 | if (mkdir(to.p_path,
|
|---|
| 492 | curr->fts_statp->st_mode | S_IRWXU) < 0)
|
|---|
| 493 | return err(1, "%s", to.p_path);
|
|---|
| 494 | } else if (!S_ISDIR(to_stat.st_mode)) {
|
|---|
| 495 | errno = ENOTDIR;
|
|---|
| 496 | return err(1, "%s", to.p_path);
|
|---|
| 497 | }
|
|---|
| 498 | /*
|
|---|
| 499 | * Arrange to correct directory attributes later
|
|---|
| 500 | * (in the post-order phase) if this is a new
|
|---|
| 501 | * directory, or if the -p flag is in effect.
|
|---|
| 502 | */
|
|---|
| 503 | curr->fts_number = pflag || dne;
|
|---|
| 504 | break;
|
|---|
| 505 | #ifdef S_IFBLK
|
|---|
| 506 | case S_IFBLK:
|
|---|
| 507 | #endif
|
|---|
| 508 | case S_IFCHR:
|
|---|
| 509 | if (Rflag) {
|
|---|
| 510 | if (copy_special(curr->fts_statp, !dne))
|
|---|
| 511 | badcp = rval = 1;
|
|---|
| 512 | } else {
|
|---|
| 513 | if (copy_file(curr, dne))
|
|---|
| 514 | badcp = rval = 1;
|
|---|
| 515 | }
|
|---|
| 516 | break;
|
|---|
| 517 | #ifdef S_IFIFO
|
|---|
| 518 | case S_IFIFO:
|
|---|
| 519 | #endif
|
|---|
| 520 | if (Rflag) {
|
|---|
| 521 | if (copy_fifo(curr->fts_statp, !dne))
|
|---|
| 522 | badcp = rval = 1;
|
|---|
| 523 | } else {
|
|---|
| 524 | if (copy_file(curr, dne))
|
|---|
| 525 | badcp = rval = 1;
|
|---|
| 526 | }
|
|---|
| 527 | break;
|
|---|
| 528 | default:
|
|---|
| 529 | if (copy_file(curr, dne))
|
|---|
| 530 | badcp = rval = 1;
|
|---|
| 531 | break;
|
|---|
| 532 | }
|
|---|
| 533 | if (vflag && !badcp)
|
|---|
| 534 | (void)printf("%s -> %s\n", curr->fts_path, to.p_path);
|
|---|
| 535 | }
|
|---|
| 536 | if (errno)
|
|---|
| 537 | return err(1, "fts_read");
|
|---|
| 538 | return (rval);
|
|---|
| 539 | }
|
|---|
| 540 |
|
|---|
| 541 | /*
|
|---|
| 542 | * mastercmp --
|
|---|
| 543 | * The comparison function for the copy order. The order is to copy
|
|---|
| 544 | * non-directory files before directory files. The reason for this
|
|---|
| 545 | * is because files tend to be in the same cylinder group as their
|
|---|
| 546 | * parent directory, whereas directories tend not to be. Copying the
|
|---|
| 547 | * files first reduces seeking.
|
|---|
| 548 | */
|
|---|
| 549 | static int
|
|---|
| 550 | mastercmp(const FTSENT * const *a, const FTSENT * const *b)
|
|---|
| 551 | {
|
|---|
| 552 | int a_info, b_info;
|
|---|
| 553 |
|
|---|
| 554 | a_info = (*a)->fts_info;
|
|---|
| 555 | if (a_info == FTS_ERR || a_info == FTS_NS || a_info == FTS_DNR)
|
|---|
| 556 | return (0);
|
|---|
| 557 | b_info = (*b)->fts_info;
|
|---|
| 558 | if (b_info == FTS_ERR || b_info == FTS_NS || b_info == FTS_DNR)
|
|---|
| 559 | return (0);
|
|---|
| 560 | if (a_info == FTS_D)
|
|---|
| 561 | return (-1);
|
|---|
| 562 | if (b_info == FTS_D)
|
|---|
| 563 | return (1);
|
|---|
| 564 | return (0);
|
|---|
| 565 | }
|
|---|
| 566 |
|
|---|
| 567 | #ifdef SIGINFO
|
|---|
| 568 | static void
|
|---|
| 569 | siginfo(int sig __unused)
|
|---|
| 570 | {
|
|---|
| 571 |
|
|---|
| 572 | info = 1;
|
|---|
| 573 | }
|
|---|
| 574 | #endif
|
|---|
