Mercurial > vim
diff src/blob.c @ 15589:44ea60ca593b v8.1.0802
patch 8.1.0802: negative index doesn't work for Blob
commit https://github.com/vim/vim/commit/a5be9b62480a6f338a72c01e57c9edd0bca8048b
Author: Bram Moolenaar <Bram@vim.org>
Date: Thu Jan 24 12:31:44 2019 +0100
patch 8.1.0802: negative index doesn't work for Blob
Problem: Negative index doesn't work for Blob.
Solution: Make it work, add a test. (closes https://github.com/vim/vim/issues/3856)
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Thu, 24 Jan 2019 12:45:05 +0100 |
| parents | c2382f0d1279 |
| children | 27f9f4c1400b |
line wrap: on
line diff
--- a/src/blob.c +++ b/src/blob.c @@ -72,8 +72,12 @@ blob_copy(typval_T *from, typval_T *to) 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); + if (to->vval.v_blob->bv_ga.ga_data == NULL) + len = 0; + } to->vval.v_blob->bv_ga.ga_len = len; } return ret; @@ -112,7 +116,7 @@ blob_len(blob_T *b) * Get byte "idx" in blob "b". * Caller must check that "idx" is valid. */ - char_u + int blob_get(blob_T *b, int idx) { return ((char_u*)b->bv_ga.ga_data)[idx];