Lua: Avoid segmentation fault on recv() fail

Signed-off-by: Jean-Philippe André <jpeg@videolan.org>

Lua: Avoid segmentation fault on recv() fail
Signed-off-by: Jean-Philippe André <jpeg@videolan.org>
14707cba · Srikanth Raju · Jean-Philippe André · 2bb90c75 · 14707cba
Commit 14707cba authored Mar 11, 2010 by Srikanth Raju Committed by Jean-Philippe André Mar 20, 2010
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Showing with 7 additions and 2 deletions

modules/misc/lua/libs/net.c modules/misc/lua/libs/net.c +7 -2

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--- a/modules/misc/lua/libs/net.c
+++ b/modules/misc/lua/libs/net.c
@@ -185,8 +185,13 @@ static int vlclua_net_recv( lua_State *L )
    size_t i_len = luaL_optint( L, 2, 1 );
    char psz_buffer[i_len];
    i_len = recv( i_fd, psz_buffer, i_len, 0 );
-    lua_pushlstring( L, psz_buffer, i_len );
-    return 1;
+    if( i_len > 0 )
+    {
+        lua_pushlstring( L, psz_buffer, i_len );
+        return 1;
+    }
+    else
+        return 0;
 }

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