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-rw-r--r--db/makedb.c198
1 files changed, 100 insertions, 98 deletions
diff --git a/db/makedb.c b/db/makedb.c
index 7ce9548788..9f84ea39fc 100644
--- a/db/makedb.c
+++ b/db/makedb.c
@@ -1,4 +1,4 @@
-/* makedb -- create simple DB database from textual input.
+/* 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.
@@ -18,12 +18,12 @@
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
-#include <db.h>
+#include <argp.h>
#include <ctype.h>
+#include <db.h>
#include <errno.h>
#include <error.h>
#include <fcntl.h>
-#include <getopt.h>
#include <libintl.h>
#include <locale.h>
#include <stdio.h>
@@ -35,20 +35,55 @@
#define PACKAGE _libc_intl_domainname
-/* Long options. */
-static const struct option long_options[] =
+/* 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 =
{
- { "help", no_argument, NULL, 'h' },
- { "fold-case", no_argument, NULL, 'f' },
- { "output", required_argument, NULL, 'o' },
- { "quiet", no_argument, NULL, 'q' },
- { "undo", no_argument, NULL, 'u' },
- { "version", no_argument, NULL, 'V' },
- { NULL, 0, NULL, 0}
+ options, parse_opt, args_doc, doc, NULL, more_help
};
+
/* Prototypes for local functions. */
-static void usage __P ((int status)) __attribute__ ((noreturn));
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));
@@ -60,17 +95,10 @@ main (argc, argv)
int argc;
char *argv[];
{
- const char *output_name;
const char *input_name;
FILE *input_file;
DB *db_file;
- int do_help;
- int do_version;
- int to_lowercase;
- int do_undo;
- int be_quiet;
int status;
- int opt;
/* Set locale via LC_ALL. */
setlocale (LC_ALL, "");
@@ -79,59 +107,10 @@ main (argc, argv)
textdomain (_libc_intl_domainname);
/* Initialize local variables. */
- do_help = 0;
- do_version = 0;
- to_lowercase = 0;
- do_undo = 0;
- be_quiet = 0;
- output_name = NULL;
-
- while ((opt = getopt_long (argc, argv, "fho:uV", long_options, NULL)) != -1)
- switch (opt)
- {
- case '\0': /* Long option. */
- break;
- case 'h':
- do_help = 1;
- break;
- case 'f':
- to_lowercase = 1;
- break;
- case 'o':
- output_name = optarg;
- break;
- case 'q':
- be_quiet = 1;
- break;
- case 'u':
- do_undo = 1;
- break;
- case 'V':
- do_version = 1;
- break;
- default:
- usage (EXIT_FAILURE);
- }
-
- /* Version information is requested. */
- if (do_version)
- {
- printf ("makedb (GNU %s) %s\n", PACKAGE, VERSION);
- printf (_("\
-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");
- printf (_("Written by %s.\n"), "Ulrich Drepper");
-
- exit (EXIT_SUCCESS);
- }
+ input_name = NULL;
- /* Help is requested. */
- if (do_help)
- usage (EXIT_SUCCESS);
- else if (do_version)
- exit (EXIT_SUCCESS);
+ /* Parse and process arguments. */
+ argp_parse (&argp, argc, argv, 0, 0, NULL);
/* Determine file names. */
if (do_undo || output_name != NULL)
@@ -140,7 +119,8 @@ warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\
{
wrong_arguments:
error (0, 0, gettext ("wrong number of arguments"));
- usage (EXIT_FAILURE);
+ argp_help (&argp, stdout, ARGP_HELP_SEE,
+ program_invocation_short_name);
}
input_name = argv[optind];
}
@@ -201,35 +181,57 @@ warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\
}
-static void
-usage (status)
- int status;
+/* Handle program arguments. */
+static error_t
+parse_opt (int key, char *arg, struct argp_state *state)
{
- if (status != EXIT_SUCCESS)
- fprintf (stderr, gettext ("Try `%s --help' for more information.\n"),
- program_invocation_name);
- else
+ 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)
{
- printf (gettext ("\
-Usage: %s [OPTION]... INPUT-FILE OUTPUT-FILE\n\
- %s [OPTION]... -o OUTPUT-FILE INPUT-FILE\n\
- %s [OPTION]... -u INPUT-FILE\n\
-Mandatory arguments to long options are mandatory for short options too.\n\
- -f, --fold-case convert key to lower case\n\
- -h, --help display this help and exit\n\
- -o, --output=NAME write output to file NAME\n\
- --quiet don't print messages while building database\n\
- -u, --undo print content of database file, one entry a line\n\
- -V, --version output version information and exit\n\
-If INPUT-FILE is -, input is read from standard input.\n"),
- program_invocation_name, program_invocation_name,
- program_invocation_name);
- fputs (gettext ("\
-Report bugs using the `glibcbug' script to <bugs@gnu.ai.mit.edu>.\n"),
- stdout);
+ case ARGP_KEY_HELP_EXTRA:
+ /* We print some extra information. */
+ return strdup (gettext ("\
+Report bugs using the `glibcbug' script to <bugs@gnu.ai.mit.edu>.\n"));
+ default:
+ break;
}
+ return (char *) text;
+}
- exit (status);
+/* 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");
}
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