Mercurial > vim
diff src/blob.c @ 15581:c2382f0d1279 v8.1.0798
patch 8.1.0798: changing a blob while iterating over it works strangely
commit https://github.com/vim/vim/commit/dd29ea18050284526174b5685781469240f5bc4a
Author: Bram Moolenaar <Bram@vim.org>
Date: Wed Jan 23 21:56:21 2019 +0100
patch 8.1.0798: changing a blob while iterating over it works strangely
Problem: Changing a blob while iterating over it works strangely.
Solution: Make a copy of the Blob before iterating.
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Wed, 23 Jan 2019 22:00:06 +0100 |
| parents | 99a4cc4782ac |
| children | 44ea60ca593b |
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--- a/src/blob.c +++ b/src/blob.c @@ -57,6 +57,28 @@ rettv_blob_set(typval_T *rettv, blob_T * ++b->bv_refcount; } + int +blob_copy(typval_T *from, typval_T *to) +{ + int ret = OK; + + to->v_type = VAR_BLOB; + if (from->vval.v_blob == NULL) + to->vval.v_blob = NULL; + else if (rettv_blob_alloc(to) == FAIL) + ret = FAIL; + else + { + int len = from->vval.v_blob->bv_ga.ga_len; + + if (len > 0) + to->vval.v_blob->bv_ga.ga_data = + vim_memsave(from->vval.v_blob->bv_ga.ga_data, len); + to->vval.v_blob->bv_ga.ga_len = len; + } + return ret; +} + void blob_free(blob_T *b) {