MEDIUM: applet: Disable 0-copy for buffers of different size

Just like the previous commit, we must take care to never swap buffers of
different size when data are exchanged between an applet and a SC. it will
be mandatory when the large buffers support on channels will be added.

diff --git a/src/applet.c b/src/applet.c
index 0e4ecf69d5dd4ae4fdb5118e989ce8257efe5afc..7b08539a39c5f68f698402202183015246f516cb 100644 (file)
--- a/src/applet.c
+++ b/src/applet.c
@@ -505,7 +505,7 @@ size_t appctx_htx_rcv_buf(struct appctx *appctx, struct buffer *buf, size_t coun
 
        ret = appctx_htx->data;
        buf_htx = htx_from_buf(buf);
-       if (htx_is_empty(buf_htx) && htx_used_space(appctx_htx) <= count) {
+       if (b_size(&appctx->outbuf) == b_size(buf) && htx_is_empty(buf_htx) && htx_used_space(appctx_htx) <= count) {
                htx_to_buf(buf_htx, buf);
                htx_to_buf(appctx_htx, &appctx->outbuf);
                b_xfer(buf, &appctx->outbuf, b_data(&appctx->outbuf));