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- /* $NetBSD: unstr.c,v 1.3 1995/03/23 08:29:00 cgd Exp $ */
-
- /*-
- * Copyright (c) 1991, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Ken Arnold.
- *
- * 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. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 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.
- */
-
- #if 0
- #ifndef lint
- static char copyright[] =
- "@(#) Copyright (c) 1991, 1993\n\
- The Regents of the University of California. All rights reserved.\n";
-
- #endif /* not lint */
-
- #ifndef lint
- static char sccsid[] = "@(#)unstr.c 8.1 (Berkeley) 5/31/93";
-
- #endif /* not lint */
- #endif /* comment out the dreck, kill the warnings */
-
- /*
- * This program un-does what "strfile" makes, thereby obtaining the
- * original file again. This can be invoked with the name of the output
- * file, the input file, or both. If invoked with only a single argument
- * ending in ".dat", it is pressumed to be the input file and the output
- * file will be the same stripped of the ".dat". If the single argument
- * doesn't end in ".dat", then it is presumed to be the output file, and
- * the input file is that name prepended by a ".dat". If both are given
- * they are treated literally as the input and output files.
- *
- * Ken Arnold Aug 13, 1978
- */
-
- /*
- * Umm. Well, when I got this thing, it didn't work like that. It now
- * treats the *first* filename listed as the name of the datafile; if
- * the file happens to have an extension, that's stripped off and the
- * result is the name of the strings file. If there is no extension, then
- * the datafile has '.dat' added, and the strings file is the filename.
- * The only problem with this is if you happen to have a strings file
- * with a dot in it--in that case, specify the dat file fully.
- *
- * The program also now accepts an optional second filename, which is the
- * name of the output file; if not specified, it dumps to stdout.
- *
- * It can also take one parameter, which defines a new separator character.
- * This was added chiefly in order to avoid having to run sed over a
- * strings file; unstr *can* do it easily, so it should.
- *
- * We also had to add some code to make the special cases of a null fortune
- * (two separators on successive lines, a common enough error when editing
- * a strings file) and no trailing separator be treated properly. Unstr
- * now writes out a separator string at the end of a file; strfile does
- * not consider the null string following this to be a fortune. Be careful
- * not to put an extra newline after the required last newline--if so, you'll
- * get a fortune that contains nothing but a newline. Karo syrup, syrup.
- * For the gory details, and lots of cussing, see strfile.c
- */
- #ifdef NeXT
- #include <libc.h>
- #endif
- #include <sys/types.h>
- #include <netinet/in.h>
- #include <sys/param.h>
- #include "strfile.h"
- #include <stdio.h>
- #include <ctype.h>
- #include <string.h>
- #include <unistd.h>
-
- #ifndef MAXPATHLEN
- #define MAXPATHLEN 1024
- #endif /* MAXPATHLEN */
-
- char *Infile, /* name of input file */
- Datafile[MAXPATHLEN], /* name of data file */
- Delimch, /* delimiter character */
- Outfile[MAXPATHLEN];
-
- char NewDelch = '\0'; /* a replacement delimiter character */
-
- FILE *Inf, *Dataf, *Outf;
-
- /* ARGSUSED */
- void getargs(int ac, char *av[])
- {
- extern int optind;
- extern char *optarg;
- char *extc;
- int ch;
-
- while ((ch = getopt(ac, av, "c:")) != EOF)
- switch (ch)
- {
- case 'c':
- NewDelch = *optarg;
- if (!isascii(NewDelch))
- {
- fprintf(stderr, "Bad delimiting characher: '\\%o'\n", NewDelch);
- }
- break;
- case '?':
- default:
- fprintf(stderr, "Usage:\n\tunstr [-c C] datafile[.ext] [outputfile]\n");
- exit(1);
- }
-
- av += optind;
-
- if (*av)
- {
- Infile = *av;
- fprintf(stderr, "Input file: %s\n", Infile);
- if (!strrchr(Infile, '.'))
- {
- strcpy(Datafile, Infile);
- strcat(Datafile, ".dat");
- }
- else
- {
- strcpy(Datafile, Infile);
- extc = strrchr(Infile, '.');
- *extc = '\0';
- }
- if (*++av)
- {
- strcpy(Outfile, *av);
- fprintf(stderr, "Output file: %s\n", Outfile);
- }
- }
- else
- {
- fprintf(stderr, "No input file name\n");
- fprintf(stderr, "Usage:\n\tunstr [-c C] datafile[.ext] [outputfile]\n");
- exit(1);
- }
- if (!strcmp(Infile, Outfile))
- {
- fprintf(stderr, "The input file for strings (%s) must be different from the output file (%s)\n", Infile, Outfile);
- exit(1);
- }
- }
-
- void order_unstr(tbl)
- register STRFILE *tbl;
- {
- register int i;
- register unsigned char *sp;
- auto off_t pos;
- char buf[BUFSIZ];
- int printedsome;
-
- for (i = 0; i <= tbl->str_numstr; i++)
- {
- fread((char *) &pos, 1, sizeof pos, Dataf);
- fseek(Inf, ntohl(pos), 0);
- printedsome = 0;
- for (;;)
- {
- sp = fgets(buf, sizeof buf, Inf);
- if (sp == NULL || STR_ENDSTRING(sp, *tbl))
- {
- if (sp || printedsome)
- fprintf(Outf, "%c\n", Delimch);
- break;
- }
- else
- {
- printedsome = 1;
- fputs(sp, Outf);
- }
- }
- }
- }
-
- int main(int ac, char **av)
- {
- static STRFILE tbl; /* description table */
-
- getargs(ac, av);
- if ((Inf = fopen(Infile, "r")) == NULL)
- {
- perror(Infile);
- exit(1);
- }
- if ((Dataf = fopen(Datafile, "r")) == NULL)
- {
- perror(Datafile);
- exit(1);
- }
- if (*Outfile == '\0')
- Outf = stdout;
- else if ((Outf = fopen(Outfile, "w+")) == NULL)
- {
- perror(Outfile);
- exit(1);
- }
- fread((char *) &tbl, sizeof tbl, 1, Dataf);
- tbl.str_version = ntohl(tbl.str_version);
- tbl.str_numstr = ntohl(tbl.str_numstr);
- tbl.str_longlen = ntohl(tbl.str_longlen);
- tbl.str_shortlen = ntohl(tbl.str_shortlen);
- tbl.str_flags = ntohl(tbl.str_flags);
- if (!(tbl.str_flags & (STR_ORDERED | STR_RANDOM)) && (!NewDelch))
- {
- fprintf(stderr, "nothing to do -- table in file order\n");
- exit(1);
- }
- if (NewDelch)
- Delimch = NewDelch;
- else
- Delimch = tbl.str_delim;
- order_unstr(&tbl);
- fclose(Inf);
- fclose(Dataf);
- fclose(Outf);
- exit(0);
- }
-