qemu-edid: use qemu_edid_size()
So we only write out that part of the edid blob
which has been filled with data.
Also use a larger buffer for the blob.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20210427150824.638359-1-kraxel@redhat.com
Message-Id: <20210427150824.638359-2-kraxel@redhat.com>
diff --git a/qemu-edid.c b/qemu-edid.c
index 1cd6a95..c3a9fba 100644
--- a/qemu-edid.c
+++ b/qemu-edid.c
@@ -41,7 +41,8 @@
int main(int argc, char *argv[])
{
FILE *outfile = NULL;
- uint8_t blob[256];
+ uint8_t blob[512];
+ size_t size;
uint32_t dpi = 100;
int rc;
@@ -119,7 +120,8 @@
memset(blob, 0, sizeof(blob));
qemu_edid_generate(blob, sizeof(blob), &info);
- fwrite(blob, sizeof(blob), 1, outfile);
+ size = qemu_edid_size(blob);
+ fwrite(blob, size, 1, outfile);
fflush(outfile);
exit(0);