1 /* Create simple DB database from textual input.
2 Copyright (C) 1996, 1997, 1998, 1999, 2000 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 Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the 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 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, write to the Free
18 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
34 #include "nss_db/dummy-db.h"
36 /* Get libc version number. */
37 #include "../version.h"
39 #define PACKAGE _libc_intl_domainname
41 /* If non-zero convert key to lower case. */
42 static int to_lowercase;
44 /* If non-zero print content of input file, one entry per line. */
47 /* If non-zero do not print informational messages. */
50 /* Name of output file. */
51 static const char *output_name;
53 /* Name and version of program. */
54 static void print_version (FILE *stream, struct argp_state *state);
55 void (*argp_program_version_hook) (FILE *, struct argp_state *) = print_version;
57 /* Definitions of arguments for argp functions. */
58 static const struct argp_option options[] =
60 { "fold-case", 'f', NULL, 0, N_("Convert key to lower case") },
61 { "output", 'o', N_("NAME"), 0, N_("Write output to file NAME") },
62 { "quiet", 'q', NULL, 0,
63 N_("Do not print messages while building database") },
64 { "undo", 'u', NULL, 0,
65 N_("Print content of database file, one entry a line") },
66 { NULL, 0, NULL, 0, NULL }
69 /* Short description of program. */
70 static const char doc[] = N_("Create simple DB database from textual input.");
72 /* Strings for arguments in help texts. */
73 static const char args_doc[] = N_("\
74 INPUT-FILE OUTPUT-FILE\n-o OUTPUT-FILE INPUT-FILE\n-u INPUT-FILE");
76 /* Prototype for option handler. */
77 static error_t parse_opt (int key, char *arg, struct argp_state *state);
79 /* Function to print some extra text in the help message. */
80 static char *more_help (int key, const char *text, void *input);
82 /* Data structure to communicate with argp functions. */
83 static struct argp argp =
85 options, parse_opt, args_doc, doc, NULL, more_help
89 /* Prototypes for local functions. */
90 static int process_input (FILE *input, const char *inname, NSS_DB *output,
91 int to_lowercase, int be_quiet);
92 static int print_database (NSS_DB *db);
96 main (int argc, char *argv[])
98 const char *input_name;
105 /* Set locale via LC_ALL. */
106 setlocale (LC_ALL, "");
108 /* Set the text message domain. */
109 textdomain (_libc_intl_domainname);
111 /* Initialize local variables. */
114 /* Parse and process arguments. */
115 argp_parse (&argp, argc, argv, 0, &remaining, NULL);
117 /* Determine file names. */
118 if (do_undo || output_name != NULL)
120 if (remaining + 1 != argc)
123 error (0, 0, gettext ("wrong number of arguments"));
124 argp_help (&argp, stdout, ARGP_HELP_SEE,
125 program_invocation_short_name);
128 input_name = argv[remaining];
132 if (remaining + 2 != argc)
133 goto wrong_arguments;
135 input_name = argv[remaining++];
136 output_name = argv[remaining];
139 /* First load the shared object to initialize version dependend
141 if (load_db () != NSS_STATUS_SUCCESS)
142 error (EXIT_FAILURE, 0, gettext ("No usable database library found."));
144 /* Special handling if we are asked to print the database. */
147 dbopen (input_name, db_rdonly, 0666, &db_file);
149 error (EXIT_FAILURE, 0, gettext ("cannot open database file `%s': %s"),
151 (errno == EINVAL ? gettext ("incorrectly formatted file")
152 : strerror (errno)));
154 status = print_database (db_file);
156 db_file->close (db_file->db, 0);
161 /* Open input file. */
162 if (strcmp (input_name, "-") == 0 || strcmp (input_name, "/dev/stdin") == 0)
168 input_file = fopen (input_name, "r");
169 if (input_file == NULL)
170 error (EXIT_FAILURE, errno, gettext ("cannot open input file `%s'"),
173 /* Get the access rights from the source file. The output file should
175 if (fstat (fileno (input_file), &st) >= 0)
176 mode = st.st_mode & ACCESSPERMS;
179 /* Open output file. This must not be standard output so we don't
180 handle "-" and "/dev/stdout" special. */
181 dbopen (output_name, DB_CREATE | db_truncate, mode, &db_file);
183 error (EXIT_FAILURE, errno, gettext ("cannot open output file `%s'"),
186 /* Start the real work. */
187 status = process_input (input_file, input_name, db_file, to_lowercase,
191 if (input_file != stdin)
193 db_file->close (db_file->db, 0);
199 /* Handle program arguments. */
201 parse_opt (int key, char *arg, struct argp_state *state)
218 return ARGP_ERR_UNKNOWN;
225 more_help (int key, const char *text, void *input)
229 case ARGP_KEY_HELP_EXTRA:
230 /* We print some extra information. */
231 return strdup (gettext ("\
232 For bug reporting instructions, please see:\n\
233 <http://www.gnu.org/software/libc/bugs.html>.\n"));
237 return (char *) text;
240 /* Print the version information. */
242 print_version (FILE *stream, struct argp_state *state)
244 fprintf (stream, "makedb (GNU %s) %s\n", PACKAGE, VERSION);
245 fprintf (stream, gettext ("\
246 Copyright (C) %s Free Software Foundation, Inc.\n\
247 This is free software; see the source for copying conditions. There is NO\n\
248 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\
250 fprintf (stream, gettext ("Written by %s.\n"), "Ulrich Drepper");
255 process_input (input, inname, output, to_lowercase, be_quiet)
269 status = EXIT_SUCCESS;
272 while (!feof (input))
279 n = getline (&line, &linelen, input);
281 /* This means end of file or some bug. */
284 /* Short read. Probably interrupted system call. */
289 if (line[n - 1] == '\n')
290 /* Remove trailing newline. */
294 while (isspace (*cp))
298 /* First non-space character in line '#': it's a comment. */
302 while (*cp != '\0' && !isspace (*cp))
310 /* It's an empty line. */
313 key.size = cp - (char *) key.data;
316 while (isspace (*cp))
320 val.size = (&line[n] - cp) + 1;
323 /* Store the value. */
324 status = output->put (output->db, NULL, &key, &val, db_nooverwrite);
327 if (status == db_keyexist)
330 error_at_line (0, 0, inname, linenr,
331 gettext ("duplicate key"));
332 /* This is no real error. Just give a warning. */
337 error (0, status, gettext ("while writing database file"));
339 status = EXIT_FAILURE;
348 error (0, 0, gettext ("problems while reading `%s'"), inname);
349 status = EXIT_FAILURE;
365 status = db->cursor (db->db, NULL, &cursor);
368 error (0, status, gettext ("while reading database"));
374 status = cursor->c_get (cursor->cursor, &key, &val, db_first);
377 printf ("%.*s %s\n", (int) key.size, (char *) key.data,
380 status = cursor->c_get (cursor->cursor, &key, &val, db_next);
383 if (status != db_notfound)
385 error (0, status, gettext ("while reading database"));