+++ /dev/null
-/* Create simple DB database from textual input.
- Copyright (C) 1996, 1997 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If not,
- write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
-
-#include <argp.h>
-#include <ctype.h>
-#include <db.h>
-#include <errno.h>
-#include <error.h>
-#include <fcntl.h>
-#include <libintl.h>
-#include <locale.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-/* Get libc version number. */
-#include "../version.h"
-
-#define PACKAGE _libc_intl_domainname
-
-/* If non-zero convert key to lower case. */
-static int to_lowercase;
-
-/* If non-zero print content of input file, one entry per line. */
-static int do_undo;
-
-/* If non-zero do not print informational messages. */
-static int be_quiet;
-
-/* Name of output file. */
-static const char *output_name;
-
-/* Name and version of program. */
-static void print_version (FILE *stream, struct argp_state *state);
-void (*argp_program_version_hook) (FILE *, struct argp_state *) = print_version;
-
-/* Definitions of arguments for argp functions. */
-static const struct argp_option options[] =
-{
- { "fold-case", 'f', NULL, 0, N_("Convert key to lower case") },
- { "output", 'o', N_("NAME"), 0, N_("Write output to file NAME") },
- { "quiet", 'q', NULL, 0,
- N_("Do not print messages while building database") },
- { "undo", 'u', NULL, 0,
- N_("Print content of database file, one entry a line") },
- { NULL, 0, NULL, 0, NULL }
-};
-
-/* Short description of program. */
-static const char doc[] = N_("Create simple DB database from textual input.");
-
-/* Strings for arguments in help texts. */
-static const char args_doc[] = N_("\
-INPUT-FILE OUTPUT-FILE\n-o OUTPUT-FILE INPUT-FILE\n-u INPUT-FILE");
-
-/* Prototype for option handler. */
-static error_t parse_opt __P ((int key, char *arg, struct argp_state *state));
-
-/* Function to print some extra text in the help message. */
-static char *more_help __P ((int key, const char *text, void *input));
-
-/* Data structure to communicate with argp functions. */
-static struct argp argp =
-{
- options, parse_opt, args_doc, doc, NULL, more_help
-};
-
-
-/* Prototypes for local functions. */
-static int process_input __P ((FILE *input, const char *inname, DB *output,
- int to_lowercase, int be_quiet));
-static int print_database __P ((DB *db));
-int main __P ((int argc, char *argv[]));
-
-
-int
-main (argc, argv)
- int argc;
- char *argv[];
-{
- const char *input_name;
- FILE *input_file;
- DB *db_file;
- int status;
- int remaining;
-
- /* Set locale via LC_ALL. */
- setlocale (LC_ALL, "");
-
- /* Set the text message domain. */
- textdomain (_libc_intl_domainname);
-
- /* Initialize local variables. */
- input_name = NULL;
-
- /* Parse and process arguments. */
- argp_parse (&argp, argc, argv, 0, &remaining, NULL);
-
- /* Determine file names. */
- if (do_undo || output_name != NULL)
- {
- if (remaining + 1 != argc)
- {
- wrong_arguments:
- error (0, 0, gettext ("wrong number of arguments"));
- argp_help (&argp, stdout, ARGP_HELP_SEE,
- program_invocation_short_name);
- exit (1);
- }
- input_name = argv[remaining];
- }
- else
- {
- if (remaining + 2 != argc)
- goto wrong_arguments;
-
- input_name = argv[remaining++];
- output_name = argv[remaining];
- }
-
- /* Special handling if we are asked to print the database. */
- if (do_undo)
- {
- db_file = dbopen (input_name, O_RDONLY, 0666, DB_BTREE, NULL);
- if (db_file == NULL)
- error (EXIT_FAILURE, 0, gettext ("cannot open database file `%s': %s"),
- input_name,
- errno == EFTYPE ? gettext ("incorrectly formatted file")
- : strerror (errno));
-
- status = print_database (db_file);
-
- db_file->close (db_file);
-
- return status;
- }
-
- /* Open input file. */
- if (strcmp (input_name, "-") == 0 || strcmp (input_name, "/dev/stdin") == 0)
- input_file = stdin;
- else
- {
- input_file = fopen (input_name, "r");
- if (input_file == NULL)
- error (EXIT_FAILURE, errno, gettext ("cannot open input file `%s'"),
- input_name);
- }
-
- /* Open output file. This must not be standard output so we don't
- handle "-" and "/dev/stdout" special. */
- db_file = dbopen (output_name, O_CREAT | O_RDWR | O_TRUNC, 0666,
- DB_BTREE, NULL);
- if (db_file == NULL)
- error (EXIT_FAILURE, errno, gettext ("cannot open output file `%s'"));
-
- /* Start the real work. */
- status = process_input (input_file, input_name, db_file, to_lowercase,
- be_quiet);
-
- /* Close files. */
- if (input_file != stdin)
- fclose (input_file);
- db_file->close (db_file);
-
- return status;
-}
-
-
-/* Handle program arguments. */
-static error_t
-parse_opt (int key, char *arg, struct argp_state *state)
-{
- switch (key)
- {
- case 'f':
- to_lowercase = 1;
- break;
- case 'o':
- output_name = arg;
- break;
- case 'q':
- be_quiet = 1;
- break;
- case 'u':
- do_undo = 1;
- break;
- default:
- return ARGP_ERR_UNKNOWN;
- }
- return 0;
-}
-
-
-static char *
-more_help (int key, const char *text, void *input)
-{
- switch (key)
- {
- case ARGP_KEY_HELP_EXTRA:
- /* We print some extra information. */
- return strdup (gettext ("\
-Report bugs using the `glibcbug' script to <bugs@gnu.org>.\n"));
- default:
- break;
- }
- return (char *) text;
-}
-
-/* Print the version information. */
-static void
-print_version (FILE *stream, struct argp_state *state)
-{
- fprintf (stream, "makedb (GNU %s) %s\n", PACKAGE, VERSION);
- fprintf (stream, gettext ("\
-Copyright (C) %s Free Software Foundation, Inc.\n\
-This is free software; see the source for copying conditions. There is NO\n\
-warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\
-"), "1996, 1997");
- fprintf (stream, gettext ("Written by %s.\n"), "Ulrich Drepper");
-}
-
-
-static int
-process_input (input, inname, output, to_lowercase, be_quiet)
- FILE *input;
- const char *inname;
- DB *output;
- int to_lowercase;
- int be_quiet;
-{
- char *line;
- size_t linelen;
- int status;
- size_t linenr;
-
- line = NULL;
- linelen = 0;
- status = EXIT_SUCCESS;
- linenr = 0;
-
- while (!feof (input))
- {
- DBT key;
- DBT val;
- char *cp;
- int n;
-
- n = getline (&line, &linelen, input);
- if (n < 0)
- /* This means end of file or some bug. */
- break;
- if (n == 0)
- /* Short read. Probably interrupted system call. */
- continue;
-
- ++linenr;
-
- if (line[n - 1] == '\n')
- /* Remove trailing newline. */
- line[--n] = '\0';
-
- cp = line;
- while (isspace (*cp))
- ++cp;
-
- if (*cp == '#')
- /* First non-space character in line '#': it's a comment. */
- continue;
-
- key.data = cp;
- while (*cp != '\0' && !isspace (*cp))
- {
- if (to_lowercase)
- *cp = tolower (*cp);
- ++cp;
- }
-
- if (key.data == cp)
- /* It's an empty line. */
- continue;
-
- key.size = cp - (char *) key.data;
-
- while (isspace (*cp))
- ++cp;
-
- val.data = cp;
- val.size = &line[n] - cp;
-
- /* Store the value. */
- status = output->put (output, &key, &val, R_NOOVERWRITE);
- if (status != 0)
- {
- if (status == 1)
- {
- if (!be_quiet)
- error_at_line (0, 0, inname, linenr,
- gettext ("duplicate key"));
- /* This is no real error. Just give a warning. */
- status = 0;
- }
- else
- error (0, errno, gettext ("while writing data base file"));
-
- status = status ? EXIT_FAILURE : EXIT_SUCCESS;
-
- clearerr (input);
- break;
- }
- }
-
- if (ferror (input))
- {
- error (0, 0, gettext ("problems while reading `%s'"));
- status = EXIT_FAILURE;
- }
-
- return status;
-}
-
-
-static int
-print_database (db)
- DB *db;
-{
- DBT key;
- DBT val;
- int no_more;
-
- no_more = db->seq (db, &key, &val, R_FIRST);
- while (!no_more)
- {
- printf ("%.*s %.*s\n", (int) key.size, (char *) key.data, (int) val.size,
- (char *) val.data);
-
- no_more = db->seq (db, &key, &val, R_NEXT);
- }
-
- if (no_more == -1)
- {
- error (0, errno, gettext ("while reading database"));
- return EXIT_FAILURE;
- }
-
- return EXIT_SUCCESS;
-}
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