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diff src/vim9execute.c @ 23252:35583da6397e v8.2.2172

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patch 8.2.2172: Vim9: number of arguments is not always checked Commit: https://github.com/vim/vim/commit/5082471f91dd42ed8c35e0f649d0a6572e6fe3fc Author: Bram Moolenaar <Bram@vim.org> Date: Sun Dec 20 21:10:17 2020 +0100 patch 8.2.2172: Vim9: number of arguments is not always checked Problem: Vim9: number of arguments is not always checked. (Yegappan Lakshmanan) Solution: Check number of arguments when calling function by name.
author Bram Moolenaar <Bram@vim.org>
date Sun, 20 Dec 2020 21:15:03 +0100
parents 43532077b5ff
children 4b7e996354e0
line wrap: on
line diff
--- a/src/vim9execute.c
+++ b/src/vim9execute.c
@@ -606,6 +606,17 @@ call_ufunc(ufunc_T *ufunc, int argcount,
 	return FAIL;
     if (ufunc->uf_def_status == UF_COMPILED)
     {
+	int error = check_user_func_argcount(ufunc, argcount);
+
+	if (error != FCERR_UNKNOWN)
+	{
+	    if (error == FCERR_TOOMANY)
+		semsg(_(e_toomanyarg), ufunc->uf_name);
+	    else
+		semsg(_(e_toofewarg), ufunc->uf_name);
+	    return FAIL;
+	}
+
 	// The function has been compiled, can call it quickly.  For a function
 	// that was defined later: we can call it directly next time.
 	if (iptr != NULL)