diff options
Diffstat (limited to 'src/accessdb.c')
| -rw-r--r-- | src/accessdb.c | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/src/accessdb.c b/src/accessdb.c new file mode 100644 index 0000000..5de7d7f --- /dev/null +++ b/src/accessdb.c @@ -0,0 +1,168 @@ +/* + * accessdb.c: show every key/content pair in the database. + * + * Copyright (C) 1994, 1995 Graeme W. Wilford. (Wilf.) + * Copyright (C) 2002 Colin Watson. + * + * This file is part of man-db. + * + * man-db is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * man-db 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with man-db; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + * Tue Apr 26 12:56:44 BST 1994 Wilf. (G.Wilford@ee.surrey.ac.uk) + */ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif /* HAVE_CONFIG_H */ + +#include <stdbool.h> +#include <stdio.h> +#include <errno.h> +#include <string.h> +#include <stdlib.h> +#include <assert.h> + +#include "argp.h" +#include "progname.h" +#include "xvasprintf.h" + +#include "gettext.h" +#define _(String) gettext (String) +#define N_(String) gettext_noop (String) + +#include "manconfig.h" + +#include "error.h" + +#include "mydbm.h" + +const char *cat_root; + +char *database; + +const char *argp_program_version = "accessdb " PACKAGE_VERSION; +const char *argp_program_bug_address = PACKAGE_BUGREPORT; +error_t argp_err_exit_status = FAIL; + +static const char args_doc[] = N_("[MAN DATABASE]"); +static const char doc[] = "\v" N_("The man database defaults to %s%s."); + +static struct argp_option options[] = { + { "debug", 'd', 0, 0, N_("emit debugging messages") }, + { 0, 'h', 0, OPTION_HIDDEN, 0 }, /* compatibility for --help */ + { 0 } +}; + +static error_t parse_opt (int key, char *arg, struct argp_state *state) +{ + switch (key) { + case 'd': + debug_level = true; + return 0; + case 'h': + argp_state_help (state, state->out_stream, + ARGP_HELP_STD_HELP & + ~ARGP_HELP_PRE_DOC); + break; + case ARGP_KEY_ARG: + if (database) + argp_usage (state); + database = arg; + return 0; + case ARGP_KEY_NO_ARGS: + database = mkdbname (cat_root); + return 0; + } + return ARGP_ERR_UNKNOWN; +} + +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wformat-nonliteral" +static char *help_filter (int key, const char *text, void *input _GL_UNUSED) +{ + switch (key) { + case ARGP_KEY_HELP_PRE_DOC: + /* We have no pre-options help text, but the input + * text may contain header junk due to gettext (""). + */ + return NULL; + case ARGP_KEY_HELP_POST_DOC: + return xasprintf (text, cat_root, MAN_DB); + default: + return (char *) text; + } +} +#pragma GCC diagnostic pop + +static struct argp argp = { options, parse_opt, args_doc, doc, 0, + help_filter }; + +int main (int argc, char *argv[]) +{ + MYDBM_FILE dbf; + datum key; + int ret = OK; + + set_program_name (argv[0]); + + init_debug (); + init_locale (); + + if (is_directory (FHS_CAT_ROOT) == 1) + cat_root = FHS_CAT_ROOT; + else if (is_directory (CAT_ROOT) == 1) + cat_root = CAT_ROOT; + + if (argp_parse (&argp, argc, argv, 0, 0, 0)) + exit (FAIL); + + dbf = MYDBM_RDOPEN (database); + if (dbf && dbver_rd (dbf)) { + MYDBM_CLOSE (dbf); + dbf = NULL; + } + if (!dbf) + error (FATAL, errno, _("can't open %s for reading"), database); + assert (dbf); /* help the compiler prove that later accesses are OK */ + + key = MYDBM_FIRSTKEY (dbf); + + while (MYDBM_DPTR (key) != NULL) { + datum content, nextkey; + char *t, *nicekey; + + content = MYDBM_FETCH (dbf, key); + if (!MYDBM_DPTR (content)) { + debug ("key %s has no content!\n", MYDBM_DPTR (key)); + ret = FATAL; + goto next; + } + nicekey = xstrdup (MYDBM_DPTR (key)); + while ( (t = strchr (nicekey, '\t')) ) + *t = '~'; + while ( (t = strchr (MYDBM_DPTR (content), '\t')) ) + *t = ' '; + printf ("%s -> \"%s\"\n", nicekey, MYDBM_DPTR (content)); + free (nicekey); + MYDBM_FREE_DPTR (content); +next: + nextkey = MYDBM_NEXTKEY (dbf, key); + MYDBM_FREE_DPTR (key); + key = nextkey; + } + + MYDBM_CLOSE (dbf); + exit (ret); +} |