123 lines
3.0 KiB
C++
123 lines
3.0 KiB
C++
// -*- C++ -*-
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/* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
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Written by James Clark (jjc@jclark.com)
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This file is part of groff.
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groff is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 2, or (at your option) any later
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version.
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groff is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License along
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with groff; see the file COPYING. If not, write to the Free Software
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Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
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#include <stdlib.h>
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#include <stdio.h>
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#include <errno.h>
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#include <string.h>
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#include <assert.h>
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#include "lib.h"
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#include "errarg.h"
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#include "error.h"
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#include "defs.h"
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#include "refid.h"
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#include "search.h"
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static void usage()
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{
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fprintf(stderr, "usage: %s [-nv] [-p database] [-i XYZ] [-t N] keys ...\n",
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program_name);
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exit(1);
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}
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main(int argc, char **argv)
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{
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program_name = argv[0];
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static char stderr_buf[BUFSIZ];
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setbuf(stderr, stderr_buf);
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int search_default = 1;
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search_list list;
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int opt;
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while ((opt = getopt(argc, argv, "nvVi:t:p:")) != EOF)
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switch (opt) {
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case 'V':
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verify_flag = 1;
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break;
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case 'n':
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search_default = 0;
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break;
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case 'i':
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linear_ignore_fields = optarg;
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break;
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case 't':
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{
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char *ptr;
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long n = strtol(optarg, &ptr, 10);
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if (n == 0 && ptr == optarg) {
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error("bad integer `%1' in `t' option", optarg);
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break;
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}
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if (n < 1)
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n = 1;
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linear_truncate_len = int(n);
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break;
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}
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case 'v':
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{
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extern const char *version_string;
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fprintf(stderr, "GNU lkbib version %s\n", version_string);
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fflush(stderr);
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break;
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}
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case 'p':
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list.add_file(optarg);
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break;
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case '?':
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usage();
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default:
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assert(0);
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}
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if (optind >= argc)
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usage();
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char *filename = getenv("REFER");
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if (filename)
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list.add_file(filename);
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else if (search_default)
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list.add_file(DEFAULT_INDEX, 1);
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if (list.nfiles() == 0)
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fatal("no databases");
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int total_len = 0;
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for (int i = optind; i < argc; i++)
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total_len += strlen(argv[i]);
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total_len += argc - optind - 1 + 1; // for spaces and '\0'
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char *buffer = new char[total_len];
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char *ptr = buffer;
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for (i = optind; i < argc; i++) {
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if (i > optind)
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*ptr++ = ' ';
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strcpy(ptr, argv[i]);
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ptr = strchr(ptr, '\0');
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}
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search_list_iterator iter(&list, buffer);
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const char *start;
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int len;
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for (int count = 0; iter.next(&start, &len); count++) {
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if (fwrite(start, 1, len, stdout) != len)
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fatal("write error on stdout: %1", strerror(errno));
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// Can happen for last reference in file.
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if (start[len - 1] != '\n')
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putchar('\n');
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putchar('\n');
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}
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exit(!count);
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}
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