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patch 8.2.5089: some functions return a different value on failure

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Problem:    Some functions return a different value on failure.
Solution:   Initialize the return value earlier. (Yegappan Lakshmanan,
            closes #10568)
This commit is contained in:
Yegappan Lakshmanan
2022-06-14 13:42:26 +01:00
committed by Bram Moolenaar
parent cd7496382e
commit ca195cc84f
5 changed files with 14 additions and 6 deletions
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5
src/evalfunc.c
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@@ -8133,6 +8133,9 @@ f_range(typval_T *argvars, typval_T *rettv)
varnumber_T stride = 1;
int error = FALSE;
if (rettv_list_alloc(rettv) != OK)
return;
if (in_vim9script()
&& (check_for_number_arg(argvars, 0) == FAIL
|| check_for_opt_number_arg(argvars, 1) == FAIL
@@ -8159,7 +8162,7 @@ f_range(typval_T *argvars, typval_T *rettv)
emsg(_(e_stride_is_zero));
else if (stride > 0 ? end + 1 < start : end - 1 > start)
emsg(_(e_start_past_end));
else if (rettv_list_alloc(rettv) == OK)
else
{
list_T *list = rettv->vval.v_list;