X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=afh.c;h=8e70750511381b425c33f0c7cf8237dc1a47af16;hp=f02b47b10404ebd2424f78b922521f6261b86ba6;hb=6bcd10bc4ada11a04bc2b7425afe5a8855592cd2;hpb=06b3e7bc1b04def7488a5c5cd65de00aca655612

diff --git a/afh.c b/afh.c
index f02b47b1..8e707505 100644
--- a/afh.c
+++ b/afh.c
@@ -15,6 +15,7 @@
 #include "afh.h"
 #include "error.h"
 #include "version.h"
+#include "ggo.h"
 
 static struct afh_args_info conf;
 INIT_AFH_ERRLISTS;
@@ -56,6 +57,17 @@ static void print_chunk_table(struct afh_info *afhi)
 	}
 }
 
+__noreturn static void print_help_and_die(void)
+{
+	struct ggo_help h = DEFINE_GGO_HELP(afh);
+	int d = conf.detailed_help_given;
+	unsigned flags = d? GPH_STANDARD_FLAGS_DETAILED : GPH_STANDARD_FLAGS;
+
+	ggo_print_help(&h, flags);
+	printf("supported audio formats: %s\n", AUDIO_FORMAT_HANDLERS);
+	exit(EXIT_SUCCESS);
+}
+
 /**
  * The main function of para_afh.
  *
@@ -74,10 +86,12 @@ int main(int argc, char **argv)
 	afh_cmdline_parser(argc, argv, &conf);
 	loglevel = get_loglevel_by_name(conf.loglevel_arg);
 	version_handle_flag("afh", conf.version_given);
+	if (conf.help_given || conf.detailed_help_given)
+		print_help_and_die();
+	afh_init();
 	ret = -E_AFH_SYNTAX;
 	if (conf.inputs_num == 0)
 		goto out;
-	afh_init();
 	for (i = 0; i < conf.inputs_num; i++) {
 		int ret2;
 		ret = mmap_full_file(conf.inputs[i], O_RDONLY, &audio_file_data,