2 /* Copyright (C) 1989-2018 Free Software Foundation, Inc.
3 Written by James Clark (jjc@jclark.com)
5 This file is part of groff.
7 groff is free software; you can redistribute it and/or modify it under
8 the terms of the GNU General Public License as published by the Free
9 Software Foundation, either version 3 of the License, or
10 (at your option) any later version.
12 groff is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
33 extern "C" const char *Version_string;
35 static void usage(FILE *stream)
37 fprintf(stream, "usage: %s [-nv] [-p database] [-i XYZ] [-t N] keys ...\n",
41 int main(int argc, char **argv)
43 program_name = argv[0];
44 static char stderr_buf[BUFSIZ];
45 setbuf(stderr, stderr_buf);
46 int search_default = 1;
49 static const struct option long_options[] = {
50 { "help", no_argument, 0, CHAR_MAX + 1 },
51 { "version", no_argument, 0, 'v' },
54 while ((opt = getopt_long(argc, argv, "nvVi:t:p:", long_options, NULL))
64 linear_ignore_fields = optarg;
69 long n = strtol(optarg, &ptr, 10);
70 if (n == 0 && ptr == optarg) {
71 error("bad integer '%1' in 't' option", optarg);
76 linear_truncate_len = int(n);
81 printf("GNU lkbib (groff) version %s\n", Version_string);
86 list.add_file(optarg);
88 case CHAR_MAX + 1: // --help
103 char *filename = getenv("REFER");
105 list.add_file(filename);
106 else if (search_default)
107 list.add_file(DEFAULT_INDEX, 1);
108 if (list.nfiles() == 0)
109 fatal("no databases");
112 for (i = optind; i < argc; i++)
113 total_len += strlen(argv[i]);
114 total_len += argc - optind - 1 + 1; // for spaces and '\0'
115 char *buffer = new char[total_len];
117 for (i = optind; i < argc; i++) {
120 strcpy(ptr, argv[i]);
121 ptr = strchr(ptr, '\0');
123 search_list_iterator iter(&list, buffer);
127 for (count = 0; iter.next(&start, &len); count++) {
128 if (fwrite(start, 1, len, stdout) != (size_t)len)
129 fatal("write error on stdout: %1", strerror(errno));
130 // Can happen for last reference in file.
131 if (start[len - 1] != '\n')