2 /* Copyright (C) 1989-1992, 2000, 2001, 2002, 2003, 2009
3 Free Software Foundation, Inc.
4 Written by James Clark (jjc@jclark.com)
6 This file is part of groff.
8 groff is free software; you can redistribute it and/or modify it under
9 the terms of the GNU General Public License as published by the Free
10 Software Foundation, either version 3 of the License, or
11 (at your option) any later version.
13 groff is distributed in the hope that it will be useful, but WITHOUT ANY
14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>. */
39 const char *Version_string;
42 static void usage(FILE *stream)
44 fprintf(stream, "usage: %s [-v] [-i XYZ] [-t N] database ...\n",
48 int main(int argc, char **argv)
50 program_name = argv[0];
51 static char stderr_buf[BUFSIZ];
52 setbuf(stderr, stderr_buf);
54 static const struct option long_options[] = {
55 { "help", no_argument, 0, CHAR_MAX + 1 },
56 { "version", no_argument, 0, 'v' },
59 while ((opt = getopt_long(argc, argv, "vVi:t:", long_options, NULL)) != EOF)
65 linear_ignore_fields = optarg;
70 long n = strtol(optarg, &ptr, 10);
71 if (n == 0 && ptr == optarg) {
72 error("bad integer `%1' in `t' option", optarg);
77 linear_truncate_len = int(n);
82 printf("GNU lookbib (groff) version %s\n", Version_string);
86 case CHAR_MAX + 1: // --help
102 for (int i = optind; i < argc; i++)
103 list.add_file(argv[i]);
104 if (list.nfiles() == 0)
105 fatal("no databases");
107 int interactive = isatty(fileno(stdin));
113 if (!fgets(line, sizeof(line), stdin))
116 while (csspace(*ptr))
120 search_list_iterator iter(&list, line);
124 for (count = 0; iter.next(&start, &len); count++) {
125 if (fwrite(start, 1, len, stdout) != (size_t)len)
126 fatal("write error on stdout: %1", strerror(errno));
127 // Can happen for last reference in file.
128 if (start[len - 1] != '\n')
134 fprintf(stderr, "%d found\n", count);