diff options
Diffstat (limited to 'db/makedb.c')
| -rw-r--r-- | db/makedb.c | 198 |
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"); } |