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patch 8.1.0755: error message for get() on a Blob with invalid index

Problem:    Error message for get() on a Blob with invalid index.
Solution:   Return an empty Blob, like get() on a List does.
This commit is contained in:
Bram Moolenaar
2019-01-15 22:16:42 +01:00
parent 177ab9e026
commit 2ea773b468
3 changed files with 21 additions and 3 deletions

View File

@@ -4408,10 +4408,15 @@ f_get(typval_T *argvars, typval_T *rettv)
if (!error)
{
rettv->v_type = VAR_NUMBER;
if (idx >= blob_len(argvars[0].vval.v_blob))
semsg(_(e_blobidx), idx);
if (idx < 0)
idx = blob_len(argvars[0].vval.v_blob) + idx;
if (idx < 0 || idx >= blob_len(argvars[0].vval.v_blob))
rettv->vval.v_number = -1;
else
{
rettv->vval.v_number = blob_get(argvars[0].vval.v_blob, idx);
tv = rettv;
}
}
}
else if (argvars[0].v_type == VAR_LIST)