| 1 | /*
|
|---|
| 2 | * Copyright (c) 1989, 1993
|
|---|
| 3 | * The Regents of the University of California. All rights reserved.
|
|---|
| 4 | *
|
|---|
| 5 | * This code is derived from software contributed to Berkeley by
|
|---|
| 6 | * Adam S. Moskowitz of Menlo Consulting and Marciano Pitargue.
|
|---|
| 7 | *
|
|---|
| 8 | * Redistribution and use in source and binary forms, with or without
|
|---|
| 9 | * modification, are permitted provided that the following conditions
|
|---|
| 10 | * are met:
|
|---|
| 11 | * 1. Redistributions of source code must retain the above copyright
|
|---|
| 12 | * notice, this list of conditions and the following disclaimer.
|
|---|
| 13 | * 2. Redistributions in binary form must reproduce the above copyright
|
|---|
| 14 | * notice, this list of conditions and the following disclaimer in the
|
|---|
| 15 | * documentation and/or other materials provided with the distribution.
|
|---|
| 16 | * 3. All advertising materials mentioning features or use of this software
|
|---|
| 17 | * must display the following acknowledgement:
|
|---|
| 18 | * This product includes software developed by the University of
|
|---|
| 19 | * California, Berkeley and its contributors.
|
|---|
| 20 | * 4. Neither the name of the University nor the names of its contributors
|
|---|
| 21 | * may be used to endorse or promote products derived from this software
|
|---|
| 22 | * without specific prior written permission.
|
|---|
| 23 | *
|
|---|
| 24 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|---|
| 25 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|---|
| 26 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|---|
| 27 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|---|
| 28 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|---|
| 29 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|---|
| 30 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|---|
| 31 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|---|
| 32 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|---|
| 33 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|---|
| 34 | * SUCH DAMAGE.
|
|---|
| 35 | */
|
|---|
| 36 |
|
|---|
| 37 | #ifndef lint
|
|---|
| 38 | static const char copyright[] =
|
|---|
| 39 | "@(#) Copyright (c) 1989, 1993\n\
|
|---|
| 40 | The Regents of the University of California. All rights reserved.\n";
|
|---|
| 41 | #endif /* not lint */
|
|---|
| 42 |
|
|---|
| 43 | #ifndef lint
|
|---|
| 44 | static const char sccsid[] = "@(#)cut.c 8.3 (Berkeley) 5/4/95";
|
|---|
| 45 | #endif /* not lint */
|
|---|
| 46 |
|
|---|
| 47 | #include <config.h>
|
|---|
| 48 |
|
|---|
| 49 | #include <ctype.h>
|
|---|
| 50 | #include <stdio.h>
|
|---|
| 51 | #include <errno.h>
|
|---|
| 52 |
|
|---|
| 53 | #include "bashansi.h"
|
|---|
| 54 |
|
|---|
| 55 | #ifdef HAVE_LIMITS_H
|
|---|
| 56 | # include <limits.h>
|
|---|
| 57 | #endif
|
|---|
| 58 |
|
|---|
| 59 | #ifdef HAVE_UNISTD_H
|
|---|
| 60 | # include <unistd.h>
|
|---|
| 61 | #endif
|
|---|
| 62 |
|
|---|
| 63 | #include "builtins.h"
|
|---|
| 64 | #include "shell.h"
|
|---|
| 65 | #include "bashgetopt.h"
|
|---|
| 66 |
|
|---|
| 67 | #if !defined (errno)
|
|---|
| 68 | extern int errno;
|
|---|
| 69 | #endif
|
|---|
| 70 |
|
|---|
| 71 | #if !defined (_POSIX2_LINE_MAX)
|
|---|
| 72 | # define _POSIX2_LINE_MAX 2048
|
|---|
| 73 | #endif
|
|---|
| 74 |
|
|---|
| 75 | static int cflag;
|
|---|
| 76 | static char dchar;
|
|---|
| 77 | static int dflag;
|
|---|
| 78 | static int fflag;
|
|---|
| 79 | static int sflag;
|
|---|
| 80 |
|
|---|
| 81 | static int autostart, autostop, maxval;
|
|---|
| 82 | static char positions[_POSIX2_LINE_MAX + 1];
|
|---|
| 83 |
|
|---|
| 84 | static int c_cut __P((FILE *, char *));
|
|---|
| 85 | static int f_cut __P((FILE *, char *));
|
|---|
| 86 | static int get_list __P((char *));
|
|---|
| 87 | static char *_cut_strsep __P((char **, const char *));
|
|---|
| 88 |
|
|---|
| 89 | int
|
|---|
| 90 | cut_builtin(list)
|
|---|
| 91 | WORD_LIST *list;
|
|---|
| 92 | {
|
|---|
| 93 | FILE *fp;
|
|---|
| 94 | int (*fcn) __P((FILE *, char *)) = NULL;
|
|---|
| 95 | int ch;
|
|---|
| 96 |
|
|---|
| 97 | fcn = NULL;
|
|---|
| 98 | dchar = '\t'; /* default delimiter is \t */
|
|---|
| 99 |
|
|---|
| 100 | /* Since we don't support multi-byte characters, the -c and -b
|
|---|
| 101 | options are equivalent, and the -n option is meaningless. */
|
|---|
| 102 | reset_internal_getopt ();
|
|---|
| 103 | while ((ch = internal_getopt (list, "b:c:d:f:sn")) != -1)
|
|---|
| 104 | switch(ch) {
|
|---|
| 105 | case 'b':
|
|---|
| 106 | case 'c':
|
|---|
| 107 | fcn = c_cut;
|
|---|
| 108 | if (get_list(list_optarg) < 0)
|
|---|
| 109 | return (EXECUTION_FAILURE);
|
|---|
| 110 | cflag = 1;
|
|---|
| 111 | break;
|
|---|
| 112 | case 'd':
|
|---|
| 113 | dchar = *list_optarg;
|
|---|
| 114 | dflag = 1;
|
|---|
| 115 | break;
|
|---|
| 116 | case 'f':
|
|---|
| 117 | fcn = f_cut;
|
|---|
| 118 | if (get_list(list_optarg) < 0)
|
|---|
| 119 | return (EXECUTION_FAILURE);
|
|---|
| 120 | fflag = 1;
|
|---|
| 121 | break;
|
|---|
| 122 | case 's':
|
|---|
| 123 | sflag = 1;
|
|---|
| 124 | break;
|
|---|
| 125 | case 'n':
|
|---|
| 126 | break;
|
|---|
| 127 | case '?':
|
|---|
| 128 | default:
|
|---|
| 129 | builtin_usage();
|
|---|
| 130 | return (EX_USAGE);
|
|---|
| 131 | }
|
|---|
| 132 |
|
|---|
| 133 | list = loptend;
|
|---|
| 134 |
|
|---|
| 135 | if (fflag) {
|
|---|
| 136 | if (cflag) {
|
|---|
| 137 | builtin_usage();
|
|---|
|
|---|
