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-rw-r--r--src/nvim/ex_docmd.c2
-rw-r--r--test/old/testdir/test_functions.vim5
2 files changed, 6 insertions, 1 deletions
diff --git a/src/nvim/ex_docmd.c b/src/nvim/ex_docmd.c
index 3ff1442640..44610c81d8 100644
--- a/src/nvim/ex_docmd.c
+++ b/src/nvim/ex_docmd.c
@@ -3136,7 +3136,7 @@ int cmd_exists(const char *const name)
/// "fullcommand" function
void f_fullcommand(typval_T *argvars, typval_T *rettv, EvalFuncData fptr)
{
- char *name = argvars[0].vval.v_string;
+ char *name = (char *)tv_get_string(&argvars[0]);
rettv->v_type = VAR_STRING;
rettv->vval.v_string = NULL;
diff --git a/test/old/testdir/test_functions.vim b/test/old/testdir/test_functions.vim
index 37541c4af3..eff4e36f34 100644
--- a/test/old/testdir/test_functions.vim
+++ b/test/old/testdir/test_functions.vim
@@ -3273,4 +3273,9 @@ func Test_string_reverse()
let &encoding = save_enc
endfunc
+func Test_fullcommand()
+ " this used to crash vim
+ call assert_equal('', fullcommand(10))
+endfunc
+
" vim: shiftwidth=2 sts=2 expandtab