Mercurial > vim
changeset 16306:a2c598cbe220 v8.1.1158
patch 8.1.1158: json encoded string is sometimes missing the final NUL
commit https://github.com/vim/vim/commit/04af19637c14045fa33b99576de4eea1e3524edb
Author: Bram Moolenaar <Bram@vim.org>
Date: Fri Apr 12 21:19:04 2019 +0200
patch 8.1.1158: json encoded string is sometimes missing the final NUL
Problem: Json encoded string is sometimes missing the final NUL.
Solution: Add the NUL. Also for log messages.
author | Bram Moolenaar <Bram@vim.org> |
---|---|
date | Fri, 12 Apr 2019 21:30:04 +0200 |
parents | 7128a1b06d11 |
children | 8b595d158a1f |
files | src/channel.c src/json.c src/testdir/test_json.vim src/version.c |
diffstat | 4 files changed, 12 insertions(+), 0 deletions(-) [+] |
line wrap: on
line diff
--- a/src/channel.c +++ b/src/channel.c @@ -5877,6 +5877,7 @@ job_start( ga_concat(&ga, (char_u *)" "); ga_concat(&ga, (char_u *)argv[i]); } + ga_append(&ga, NUL); ch_log(NULL, "Starting job: %s", (char *)ga.ga_data); ga_clear(&ga); }
--- a/src/json.c +++ b/src/json.c @@ -51,6 +51,7 @@ json_encode(typval_T *val, int options) /* Store bytes in the growarray. */ ga_init2(&ga, 1, 4000); json_encode_gap(&ga, val, options); + ga_append(&ga, NUL); return ga.ga_data; } @@ -82,6 +83,7 @@ json_encode_nr_expr(int nr, typval_T *va if (json_encode_gap(&ga, &listtv, options) == OK && (options & JSON_NL)) ga_append(&ga, '\n'); list_unref(listtv.vval.v_list); + ga_append(&ga, NUL); return ga.ga_data; } #endif
--- a/src/testdir/test_json.vim +++ b/src/testdir/test_json.vim @@ -289,3 +289,10 @@ func Test_js_decode() call assert_equal(s:varl5, js_decode(s:jsl5)) endfunc + +func Test_json_encode_long() + " The growarray uses a grow size of 4000, check that a result that is exactly + " 4000 bytes long is not missing the final NUL. + let json = json_encode([repeat('a', 3996)]) + call assert_equal(4000, len(json)) +endfunc