This commit was manufactured by cvs2svn to create tag 'busybox_1_00'.
[oweals/busybox.git] / busybox / miscutils / strings.c
1 /* vi: set sw=4 ts=4: */
2 /*
3  * strings implementation for busybox
4  *
5  * Copyright (c) 1980, 1987
6  *      The Regents of the University of California.  All rights reserved.
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation; either version 2 of the License, or
11  * (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16  * General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21  *
22  * Original copyright notice is retained at the end of this file.
23  *
24  * Modified for BusyBox by Erik Andersen <andersen@codepoet.org>
25  * Badly hacked by Tito Ragusa <farmatito@tiscali.it>
26  */
27
28 #include <stdio.h>
29 #include <stdlib.h>
30 #include <string.h>
31 #include <getopt.h>
32 #include <unistd.h>
33 #include <ctype.h>
34 #include "busybox.h"
35
36 #define ISSTR(ch)       (isprint(ch) || ch == '\t')
37
38 int strings_main(int argc, char **argv)
39 {
40         int n=4, c, i, opt=0, status=EXIT_SUCCESS;
41         long t=0, count;
42         FILE *file = stdin;
43         char *string=NULL;
44         const char *fmt="%s: ";
45
46         while ((i = getopt(argc, argv, "afon:")) > 0)
47                 switch(i)
48                 {
49                         case 'a':
50                                 break;
51                         case 'f':
52                                 opt+=1;
53                                 break;
54                         case 'o':
55                                 opt+=2;
56                                 break;
57                         case 'n':
58                                 n = bb_xgetlarg(optarg, 10, 1, INT_MAX);
59                                 break;
60                         default:
61                                 bb_show_usage();
62                 }
63
64         argc -= optind;
65         argv += optind;
66
67         i=0;
68
69         string=xmalloc(n+1);
70         string[n]='\0';
71         n-=1;
72
73         if(argc==0)
74         {
75                 fmt="{%s}: ";
76                 *argv=(char *)bb_msg_standard_input;
77                 goto pipe;
78         }
79
80         for( ;*argv!=NULL && argc>0;argv++)
81         {
82                 if((file=bb_wfopen(*argv,"r")))
83                 {
84 pipe:
85
86                         count=0;
87                         do{
88                                 c=fgetc(file);
89                                 if(ISSTR(c))
90                                 {
91                                         if(i==0)
92                                                 t=count;
93                                         if(i<=n)
94                                                 string[i]=c;
95                                         if(i==n)
96                                         {
97                                                 if(opt == 1 || opt == 3 )
98                                                         printf(fmt,*argv);
99                                                 if(opt >= 2 )
100                                                         printf("%7lo ", t);
101                                                 printf("%s", string);
102                                         }
103                                         if(i>n)
104                                                 putchar(c);
105                                         i++;
106                                 }
107                                 else
108                                 {
109                                         if(i>n)
110                                                 putchar('\n');
111                                         i=0;
112                                 }
113                                 count++;
114                         }while(c!=EOF);
115
116                         bb_fclose_nonstdin(file);
117                 }
118                 else
119                         status=EXIT_FAILURE;
120         }
121         /*free(string);*/
122         exit(status);
123 }
124
125 /*
126  * Copyright (c) 1980, 1987
127  *      The Regents of the University of California.  All rights reserved.
128  *
129  * Redistribution and use in source and binary forms, with or without
130  * modification, are permitted provided that the following conditions
131  * are met:
132  * 1. Redistributions of source code must retain the above copyright
133  *    notice, this list of conditions and the following disclaimer.
134  * 2. Redistributions in binary form must reproduce the above copyright
135  *    notice, this list of conditions and the following disclaimer in the
136  *    documentation and/or other materials provided with the distribution.
137  *
138  * 3. <BSD Advertising Clause omitted per the July 22, 1999 licensing change
139  *              ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change>
140  *
141  * 4. Neither the name of the University nor the names of its contributors
142  *    may be used to endorse or promote products derived from this software
143  *    without specific prior written permission.
144  *
145  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
146  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
147  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
148  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
149  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
150  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
151  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
152  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
153  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
154  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
155  * SUCH DAMAGE.
156  */