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patch 8.2.3284: no error for insert() or remove() changing a locked blob

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Problem:    No error for insert() or remove() changing a locked blob.
Solution:   Check a blob is not locked before changing it. (Sean Dewar,
            closes #8696)
This commit is contained in:
Sean Dewar
2021-08-04 19:25:54 +02:00
committed by Bram Moolenaar
parent 0eec851942
commit 80d7395dcf
8 changed files with 80 additions and 37 deletions
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7
src/blob.c
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@@ -412,16 +412,19 @@ blob_set_range(blob_T *dest, long n1, long n2, typval_T *src)
* "remove({blob})" function
*/
void
blob_remove(typval_T *argvars, typval_T *rettv)
blob_remove(typval_T *argvars, typval_T *rettv, char_u *arg_errmsg)
{
blob_T *b = argvars[0].vval.v_blob;
int error = FALSE;
long idx;
long end;
if (b != NULL && value_check_lock(b->bv_lock, arg_errmsg, TRUE))
return;
idx = (long)tv_get_number_chk(&argvars[1], &error);
if (!error)
{
blob_T *b = argvars[0].vval.v_blob;
int len = blob_len(b);
char_u *p;