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authorMarkus Armbruster <armbru@redhat.com>2012-06-13 10:11:48 +0200
committerKevin Wolf <kwolf@redhat.com>2012-06-15 14:03:43 +0200
commitf8d6bba1c1f56217d9ee71b7aee5f94f46c8f148 (patch)
tree55cfcd017b9a4bd29ddd6c79383dbb7f15393c4b /qemu-img.c
parentf085800e245836fed27fddb3b624a29326637657 (diff)
downloadfocaccia-qemu-f8d6bba1c1f56217d9ee71b7aee5f94f46c8f148.tar.gz
focaccia-qemu-f8d6bba1c1f56217d9ee71b7aee5f94f46c8f148.zip
block: Replace bdrv_get_format() by bdrv_get_format_name()
So callers don't need to know anything about maximum name length.
Returning a pointer is safe, because the name string lives as long as
the block driver it names, and block drivers don't die.

Requested by Peter Maydell.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'qemu-img.c')
-rw-r--r--qemu-img.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/qemu-img.c b/qemu-img.c
index 9336c86d9e..80cfb9b167 100644
--- a/qemu-img.c
+++ b/qemu-img.c
@@ -1107,7 +1107,7 @@ static int img_info(int argc, char **argv)
     int c;
     const char *filename, *fmt;
     BlockDriverState *bs;
-    char fmt_name[128], size_buf[128], dsize_buf[128];
+    char size_buf[128], dsize_buf[128];
     uint64_t total_sectors;
     int64_t allocated_size;
     char backing_filename[1024];
@@ -1139,7 +1139,6 @@ static int img_info(int argc, char **argv)
     if (!bs) {
         return 1;
     }
-    bdrv_get_format(bs, fmt_name, sizeof(fmt_name));
     bdrv_get_geometry(bs, &total_sectors);
     get_human_readable_size(size_buf, sizeof(size_buf), total_sectors * 512);
     allocated_size = bdrv_get_allocated_file_size(bs);
@@ -1153,7 +1152,7 @@ static int img_info(int argc, char **argv)
            "file format: %s\n"
            "virtual size: %s (%" PRId64 " bytes)\n"
            "disk size: %s\n",
-           filename, fmt_name, size_buf,
+           filename, bdrv_get_format_name(bs), size_buf,
            (total_sectors * 512),
            dsize_buf);
     if (bdrv_is_encrypted(bs)) {