Signed-off-by: FUJITA Tomonori <fujita.tomonori@xxxxxxxxxxxxx>
---
usr/tgtimg.c | 41 +++++++++++++++++++++++++++--------------
1 files changed, 27 insertions(+), 14 deletions(-)
diff --git a/usr/tgtimg.c b/usr/tgtimg.c
index ba170c3..97e6976 100644
--- a/usr/tgtimg.c
+++ b/usr/tgtimg.c
@@ -37,6 +37,8 @@
#include "ssc.h"
#include "libssc.h"
+static char program_name[] = "tgtimg";
+
static char *short_options = "ho:m:b:s:t:";
struct option const long_options[] = {
@@ -49,23 +51,32 @@ struct option const long_options[] = {
{NULL, 0, NULL, 0},
};
-void usage(char *progname)
+static void usage(int status)
{
-
- printf("Usage: %s -m barcode -s size -t type\n", progname);
- printf(" Where 'size' is in Megabytes\n");
- printf(" 'type' is data | clean | WORM\n");
- printf(" 'barcode' is a string of chars\n\n");
+ if (status != 0)
+ fprintf(stderr, "Try `%s --help' for more information.\n", program_name);
+ else {
+ printf("Usage: %s [OPTION]\n", program_name);
+ printf("\
+Linux SCSI Target Framework Image File Utility, version %s\n\
+\n\
+ --barcode=[code] --size=[size] --type=[type]\n\
+ create a new tape image file. [code] is a string of chars.\n\
+ [size] is in Megabytes. [type] is data, clean or WORM\n\
+ --help display this help and exit\n\
+\n\
+Report bugs to <stgt@xxxxxxxxxxxxxxx>.\n", TGT_VERSION);
+ }
+ exit(status == 0 ? 0 : EINVAL);
}
int main(int argc, char **argv)
{
- int ch, longindex, rc;
+ int ch, longindex;
int file;
struct blk_header_info hdr, *h = &hdr;
struct MAM_info mi;
uint8_t current_media[1024];
- char *progname = argv[0];
char *barcode = NULL;
char *media_type = NULL;
char *media_capacity = NULL;
@@ -84,20 +95,22 @@ int main(int argc, char **argv)
case 't':
media_type = optarg;
break;
+ case 'h':
+ usage(0);
+ break;
+ default:
+ usage(1);
}
}
if (barcode == NULL) {
- usage(progname);
- exit(1);
+ usage(1);
}
if (media_capacity == NULL) {
- usage(progname);
- exit(1);
+ usage(1);
}
if (media_type == NULL) {
- usage(progname);
- exit(1);
+ usage(1);
}
sscanf(media_capacity, "%d", &size);
--
1.5.6.5
--
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