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patch 8.2.1852: map() returing zero for NULL list is unexpected

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Problem:    map() returing zero for NULL list is unexpected.
Solution:   Return the empty list. (closes #7133)
This commit is contained in:
Bram Moolenaar
2020-10-15 22:29:17 +02:00
parent 27491cd3ef
commit ffdf8adfa8
4 changed files with 10 additions and 6 deletions
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5
src/list.c
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@@ -1961,6 +1961,9 @@ filter_map(typval_T *argvars, typval_T *rettv, int map)
int save_did_emsg;
int idx = 0;
// Always return the first argument, also on failure.
copy_tv(&argvars[0], rettv);
if (argvars[0].v_type == VAR_BLOB)
{
if ((b = argvars[0].vval.v_blob) == NULL)
@@ -2110,8 +2113,6 @@ filter_map(typval_T *argvars, typval_T *rettv, int map)
did_emsg |= save_did_emsg;
}
copy_tv(&argvars[0], rettv);
}
/*