Added check-links-nb.lua that check links in a non-blocking way.

1 files changed, 2 insertions, 1 deletions

diff --git a/src/buffer.c b/src/buffer.c
index 62211d8..1188fda 100644
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -122,7 +122,8 @@ int buf_meth_receive(lua_State *L, p_buf buf) {
         if (p[0] == '*' && p[1] == 'l') err = recvline(buf, &b);
         else if (p[0] == '*' && p[1] == 'a') err = recvall(buf, &b); 
         else luaL_argcheck(L, 0, 2, "invalid receive pattern");
-        /* get a fixed number of bytes */
+        /* get a fixed number of bytes (minus what was already partially 
+         * received) */
     } else err = recvraw(buf, (size_t) lua_tonumber(L, 2)-size, &b);
     /* check if there was an error */
     if (err != IO_DONE) {