1 /* makedb -- create simple DB database from textual input.
2 Copyright (C) 1996 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Library General Public License as
8 published by the Free Software Foundation; either version 2 of the
9 License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Library General Public License for more details.
16 You should have received a copy of the GNU Library General Public
17 License along with the GNU C Library; see the file COPYING.LIB. If
18 not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
32 /* Get libc version number. */
33 #include "../version.h"
37 static const struct option long_options[] =
39 { "help", no_argument, NULL, 'h' },
40 { "fold-case", no_argument, NULL, 'f' },
41 { "output", required_argument, NULL, 'o' },
42 { "undo", no_argument, NULL, 'u' },
43 { "version", no_argument, NULL, 'V' },
47 /* Prototypes for local functions. */
48 static void usage __P ((int status)) __attribute__ ((noreturn));
49 static int process_input __P ((FILE *input, const char *inname, DB *output,
51 static int print_database __P ((DB *db));
59 const char *output_name;
60 const char *input_name;
70 /* Set locale via LC_ALL. */
71 setlocale (LC_ALL, "");
73 /* Set the text message domain. */
74 textdomain (_libc_intl_domainname);
76 /* Initialize local variables. */
83 while ((opt = getopt_long (argc, argv, "fho:uV", long_options, NULL)) != EOF)
86 case '\0': /* Long option. */
104 usage (EXIT_FAILURE);
107 /* Version information is requested. */
109 printf ("%s - GNU %s %s\n", program_invocation_name, "libc", VERSION);
111 /* Help is requested. */
113 usage (EXIT_SUCCESS);
117 /* Determine file names. */
118 if (do_undo || output_name != NULL)
120 if (optind + 1 != argc)
123 error (0, 0, gettext ("wrong number of arguments"));
124 usage (EXIT_FAILURE);
126 input_name = argv[optind];
130 if (optind + 2 != argc)
131 goto wrong_arguments;
133 input_name = argv[optind++];
134 output_name = argv[optind];
137 /* Special handling if we are asked to print the database. */
140 db_file = dbopen (input_name, O_RDONLY, 0666, DB_BTREE, NULL);
142 error (EXIT_FAILURE, 0, gettext ("cannot open database file `%s': %s"),
144 errno == EFTYPE ? gettext ("incorrectly formatted file")
147 status = print_database (db_file);
149 db_file->close (db_file);
154 /* Open input file. */
155 if (strcmp (input_name, "-") == 0 || strcmp (input_name, "/dev/stdin") == 0)
159 input_file = fopen (input_name, "r");
160 if (input_file == NULL)
161 error (EXIT_FAILURE, errno, gettext ("cannot open input file `%s'"),
165 /* Open output file. This must not be standard output so we don't
166 handle "-" and "/dev/stdout" special. */
167 db_file = dbopen (output_name, O_CREAT | O_RDWR | O_TRUNC, 0666,
170 error (EXIT_FAILURE, errno, gettext ("cannot open output file `%s'"));
172 /* Start the real work. */
173 status = process_input (input_file, input_name, db_file, to_lowercase);
176 if (input_file != stdin)
178 db_file->close (db_file);
188 if (status != EXIT_SUCCESS)
189 fprintf (stderr, gettext ("Try `%s --help' for more information.\n"),
190 program_invocation_name);
193 Usage: %s [OPTION]... INPUT-FILE OUTPUT-FILE\n\
194 %s [OPTION]... -o OUTPUT-FILE INPUT-FILE\n\
195 %s [OPTION]... -u INPUT-FILE\n\
196 Mandatory arguments to long options are mandatory for short options too.\n\
197 -f, --fold-case convert key to lower case\n\
198 -h, --help display this help and exit\n\
199 -o, --output=NAME write output to file NAME\n\
200 -u, --undo print content of database file, one entry a line\n\
201 -V, --version output version information and exit\n\
202 If INPUT-FILE is -, input is read from standard input.\n"),
203 program_invocation_name, program_invocation_name,
204 program_invocation_name);
211 process_input (input, inname, output, to_lowercase)
224 status = EXIT_SUCCESS;
227 while (!feof (input))
234 n = getline (&line, &linelen, input);
236 /* This means end of file or some bug. */
239 /* Short read. Probably interrupted system call. */
244 if (line[n - 1] == '\n')
245 /* Remove trailing newline. */
249 while (isspace (*cp))
253 /* First non-space character in line '#': it's a comment. */
257 while (*cp != '\0' && !isspace (*cp))
265 /* It's an empty line. */
268 key.size = cp - (char *) key.data;
270 while (isspace (*cp))
274 val.size = &line[n] - cp;
276 /* Store the value. */
277 status = output->put (output, &key, &val, R_NOOVERWRITE);
281 error_at_line (0, 0, inname, linenr, gettext ("duplicate key"));
283 error (0, errno, gettext ("while writing data base file"));
285 status = EXIT_FAILURE;
293 error (0, 0, gettext ("problems while reading `%s'"));
294 status = EXIT_FAILURE;
309 no_more = db->seq (db, &key, &val, R_FIRST);
312 printf ("%.*s %.*s\n", (int) key.size, (char *) key.data, (int) val.size,
315 no_more = db->seq (db, &key, &val, R_NEXT);
320 error (0, errno, gettext ("while reading database"));