commit c580943965fc9b006ec233bdee4ea5380f5594ea
author Bram Moolenaar <Bram@vim.org> Sat Mar 27 21:23:30 2021 +0100
committer Bram Moolenaar <Bram@vim.org> Sat Mar 27 21:23:30 2021 +0100
tree f17d1e9bbebd06aac239d16dd6d16fc1ecfc88e1
parent 7b45d46cf7db0d2d7a4defc2d81b233a2c672b74

patch 8.2.2666: Vim9: not enough function arguments checked for string

Problem:    Vim9: not enough function arguments checked for string.
Solution:   Check in ch_logfile(), char2nr() and others.

src/filepath.c

diff --git a/src/filepath.c b/src/filepath.c
index 75662b4..e81eeb1 100644
--- a/src/filepath.c
+++ b/src/filepath.c
@@ -788,9 +788,13 @@
     rettv->vval.v_string = NULL;
 
     if (argvars[0].v_type != VAR_STRING)
+    {
 	// Returning an empty string means it failed.
 	// No error message, for historic reasons.
+	if (in_vim9script())
+	    (void) check_for_string_arg(argvars, 0);
 	return;
+    }
 
     // Return the current directory
     cwd = alloc(MAXPATHL);