diff options
Diffstat (limited to 'busybox/miscutils/strings.c')
| -rw-r--r-- | busybox/miscutils/strings.c | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/busybox/miscutils/strings.c b/busybox/miscutils/strings.c new file mode 100644 index 0000000..92e9f0d --- /dev/null +++ b/busybox/miscutils/strings.c @@ -0,0 +1,156 @@ +/* vi: set sw=4 ts=4: */ +/* + * strings implementation for busybox + * + * Copyright (c) 1980, 1987 + * The Regents of the University of California. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Original copyright notice is retained at the end of this file. + * + * Modified for BusyBox by Erik Andersen <andersen@codepoet.org> + * Badly hacked by Tito Ragusa <farmatito@tiscali.it> + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <getopt.h> +#include <unistd.h> +#include <ctype.h> +#include "busybox.h" + +#define ISSTR(ch) (isprint(ch) || ch == '\t') + +int strings_main(int argc, char **argv) +{ + int n=4, c, i, opt=0, status=EXIT_SUCCESS; + long t=0, count; + FILE *file = stdin; + char *string=NULL; + const char *fmt="%s: "; + + while ((i = getopt(argc, argv, "afon:")) > 0) + switch(i) + { + case 'a': + break; + case 'f': + opt+=1; + break; + case 'o': + opt+=2; + break; + case 'n': + n = bb_xgetlarg(optarg, 10, 1, INT_MAX); + break; + default: + bb_show_usage(); + } + + argc -= optind; + argv += optind; + + i=0; + + string=xmalloc(n+1); + string[n]='\0'; + n-=1; + + if(argc==0) + { + fmt="{%s}: "; + *argv=(char *)bb_msg_standard_input; + goto pipe; + } + + for( ;*argv!=NULL && argc>0;argv++) + { + if((file=bb_wfopen(*argv,"r"))) + { +pipe: + + count=0; + do{ + c=fgetc(file); + if(ISSTR(c)) + { + if(i==0) + t=count; + if(i<=n) + string[i]=c; + if(i==n) + { + if(opt == 1 || opt == 3 ) + printf(fmt,*argv); + if(opt >= 2 ) + printf("%7lo ", t); + printf("%s", string); + } + if(i>n) + putchar(c); + i++; + } + else + { + if(i>n) + putchar('\n'); + i=0; + } + count++; + }while(c!=EOF); + + bb_fclose_nonstdin(file); + } + else + status=EXIT_FAILURE; + } + /*free(string);*/ + exit(status); +} + +/* + * Copyright (c) 1980, 1987 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. <BSD Advertising Clause omitted per the July 22, 1999 licensing change + * ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change> + * + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ |