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patch 8.2.3438: cannot manipulate blobs

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Problem:    Cannot manipulate blobs.
Solution:   Add blob2list() and list2blob(). (Yegappan Lakshmanan,
            closes #8868)
This commit is contained in:
Yegappan Lakshmanan
2021-09-14 17:54:30 +02:00
committed by Bram Moolenaar
parent f5785cf059
commit 5dfe467432
11 changed files with 185 additions and 1 deletions
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61
src/blob.c
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@@ -483,4 +483,65 @@ blob_remove(typval_T *argvars, typval_T *rettv, char_u *arg_errmsg)
}
}
/*
* blob2list() function
*/
void
f_blob2list(typval_T *argvars, typval_T *rettv)
{
blob_T *blob;
list_T *l;
int i;
if (rettv_list_alloc(rettv) == FAIL)
return;
if (check_for_blob_arg(argvars, 0) == FAIL)
return;
blob = argvars->vval.v_blob;
l = rettv->vval.v_list;
for (i = 0; i < blob_len(blob); i++)
list_append_number(l, blob_get(blob, i));
}
/*
* list2blob() function
*/
void
f_list2blob(typval_T *argvars, typval_T *rettv)
{
list_T *l;
listitem_T *li;
blob_T *blob;
if (rettv_blob_alloc(rettv) == FAIL)
return;
blob = rettv->vval.v_blob;
if (check_for_list_arg(argvars, 0) == FAIL)
return;
l = argvars->vval.v_list;
if (l == NULL)
return;
FOR_ALL_LIST_ITEMS(l, li)
{
int error;
varnumber_T n;
error = FALSE;
n = tv_get_number_chk(&li->li_tv, &error);
if (error == TRUE || n < 0 || n > 255)
{
if (!error)
semsg(_(e_invalid_value_for_blob_nr), n);
ga_clear(&blob->bv_ga);
return;
}
ga_append(&blob->bv_ga, n);
}
}
#endif // defined(FEAT_EVAL)