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/>. */
37 extern "C" const char *Version_string;
39 static void usage(FILE *stream)
41 fprintf(stream, "usage: %s [-v] [-i XYZ] [-t N] database ...\n",
45 int main(int argc, char **argv)
47 program_name = argv[0];
48 static char stderr_buf[BUFSIZ];
49 setbuf(stderr, stderr_buf);
51 static const struct option long_options[] = {
52 { "help", no_argument, 0, CHAR_MAX + 1 },
53 { "version", no_argument, 0, 'v' },
56 while ((opt = getopt_long(argc, argv, "vVi:t:", long_options, NULL)) != EOF)
62 linear_ignore_fields = optarg;
67 long n = strtol(optarg, &ptr, 10);
68 if (n == 0 && ptr == optarg) {
69 error("bad integer '%1' in 't' option", optarg);
74 linear_truncate_len = int(n);
79 printf("GNU lookbib (groff) version %s\n", Version_string);
83 case CHAR_MAX + 1: // --help
99 for (int i = optind; i < argc; i++)
100 list.add_file(argv[i]);
101 if (list.nfiles() == 0)
102 fatal("no databases");
104 int interactive = isatty(fileno(stdin));
110 if (!fgets(line, sizeof(line), stdin))
113 while (csspace(*ptr))
117 search_list_iterator iter(&list, line);
121 for (count = 0; iter.next(&start, &len); count++) {
122 if (fwrite(start, 1, len, stdout) != (size_t)len)
123 fatal("write error on stdout: %1", strerror(errno));
124 // Can happen for last reference in file.
125 if (start[len - 1] != '\n')
131 fprintf(stderr, "%d found\n", count);