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-rw-r--r--catgets/gencat.c168
1 files changed, 89 insertions, 79 deletions
diff --git a/catgets/gencat.c b/catgets/gencat.c
index 7047057832..9f1e762f53 100644
--- a/catgets/gencat.c
+++ b/catgets/gencat.c
@@ -21,12 +21,12 @@
# include <config.h>
#endif
+#include <argp.h>
#include <ctype.h>
#include <endian.h>
#include <errno.h>
#include <error.h>
#include <fcntl.h>
-#include <getopt.h>
#include <locale.h>
#include <libintl.h>
#include <limits.h>
@@ -88,22 +88,55 @@ struct catalog
/* If non-zero force creation of new file, not using existing one. */
static int force_new;
-/* Long options. */
-static const struct option long_options[] =
+/* Name of output file. */
+static const char *output_name;
+
+/* Name of generated C header file. */
+static const char *header_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;
+
+#define OPT_NEW 1
+
+/* Definitions of arguments for argp functions. */
+static const struct argp_option options[] =
+{
+ { "header", 'H', N_("NAME"), 0,
+ N_("Create C header file NAME containing symbol definitions") },
+ { "new", OPT_NEW, NULL, 0,
+ N_("Do not use existing catalog, force new output file") },
+ { "output", 'o', N_("NAME"), 0, N_("Write output to file NAME") },
+ { NULL, 0, NULL, 0, NULL }
+};
+
+/* Short description of program. */
+static const char doc[] = N_("Generate message catalog.\
+\vIf INPUT-FILE is -, input is read from standard input. If OUTPUT-FILE\n\
+is -, output is written to standard output.\n");
+
+/* Strings for arguments in help texts. */
+static const char args_doc[] = N_("\
+-o OUTPUT-FILE [INPUT-FILE]...\n[OUTPUT-FILE [INPUT-FILE]...]");
+
+/* Prototype for option handler. */
+static error_t parse_opt (int key, char *arg, struct argp_state *state);
+
+/* Function to print some extra text in the help message. */
+static char *more_help (int key, const char *text, void *input);
+
+/* Data structure to communicate with argp functions. */
+static struct argp argp =
{
- { "header", required_argument, NULL, 'H' },
- { "help", no_argument, NULL, 'h' },
- { "new", no_argument, &force_new, 1 },
- { "output", required_argument, NULL, 'o' },
- { "version", no_argument, NULL, 'V' },
- { NULL, 0, NULL, 0 }
+ options, parse_opt, args_doc, doc, NULL, more_help
};
+
/* Wrapper functions with error checking for standard functions. */
extern void *xmalloc (size_t n);
/* Prototypes for local functions. */
-static void usage (int status) __attribute__ ((noreturn));
static void error_print (void);
static struct catalog *read_input_file (struct catalog *current,
const char *fname);
@@ -119,11 +152,6 @@ int
main (int argc, char *argv[])
{
struct catalog *result;
- const char *output_name;
- const char *header_name;
- int do_help;
- int do_version;
- int opt;
/* Set program name for messages. */
error_print_progname = error_print;
@@ -135,50 +163,10 @@ main (int argc, char *argv[])
textdomain (PACKAGE);
/* Initialize local variables. */
- do_help = 0;
- do_version = 0;
- output_name = NULL;
- header_name = NULL;
result = NULL;
- while ((opt = getopt_long (argc, argv, "hH:o:V", long_options, NULL)) != -1)
- switch (opt)
- {
- case '\0': /* Long option. */
- break;
- case 'h':
- do_help = 1;
- break;
- case 'H':
- header_name = optarg;
- break;
- case 'o':
- output_name = optarg;
- break;
- case 'V':
- do_version = 1;
- break;
- default:
- usage (EXIT_FAILURE);
- }
-
- /* Version information is requested. */
- if (do_version)
- {
- printf ("gencat (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);
- }
-
- /* Help is requested. */
- if (do_help)
- usage (EXIT_SUCCESS);
+ /* Parse and process arguments. */
+ argp_parse (&argp, argc, argv, 0, 0, NULL);
/* Determine output file. */
if (output_name == NULL)
@@ -201,32 +189,54 @@ warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\
}
-static void
-usage (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)
{
- printf (gettext ("\
-Usage: %s [OPTION]... -o OUTPUT-FILE [INPUT-FILE]...\n\
- %s [OPTION]... [OUTPUT-FILE [INPUT-FILE]...]\n\
-Mandatory arguments to long options are mandatory for short options too.\n\
- -H, --header create C header file containing symbol definitions\n\
- -h, --help display this help and exit\n\
- --new do not use existing catalog, force new output file\n\
- -o, --output=NAME write output to file NAME\n\
- -V, --version output version information and exit\n\
-If INPUT-FILE is -, input is read from standard input. If OUTPUT-FILE\n\
-is -, output is written to standard output.\n"),
- program_invocation_name, program_invocation_name);
- fputs (gettext ("\
-Report bugs using the `glibcbug' script to <bugs@gnu.ai.mit.edu>.\n"),
- stdout);
+ case 'H':
+ header_name = arg;
+ break;
+ case OPT_NEW:
+ force_new = 1;
+ break;
+ case 'o':
+ output_name = arg;
+ break;
+ default:
+ return ARGP_ERR_UNKNOWN;
}
+ return 0;
+}
- exit (status);
+
+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.ai.mit.edu>.\n"));
+ default:
+ break;
+ }
+ return (char *) text;
+}
+
+/* Print the version information. */
+static void
+print_version (FILE *stream, struct argp_state *state)
+{
+ fprintf (stream, "gencat (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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