Update Ref7_evbuffer.txt

Fix bug of "Adding data to an evbuffer directly" example in R7.
libevent · Oct 30, 2023 · f8fa5f1 · f8fa5f1
1 parent efbfca1
commit f8fa5f1
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/Ref7_evbuffer.txt b/Ref7_evbuffer.txt
@@ -737,6 +737,7 @@ for (i=0; i<n && n_to_add > 0; ++i) {
    /* Set iov_len to the number of bytes we actually wrote, so we
       don't commit too much. */
    v[i].iov_len = len;
+   n_to_add -= len;
 }
 
 /* We commit the space here.  Note that we give it 'i' (the number of