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Merge pull request #6558 from jamessan/tv_as_string-fix

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eval: save_tv_as_string: Correctly handle an empty string
This commit is contained in:
James McCoy
2018-01-25 14:09:36 -05:00
committed by GitHub
parent 8b1f7d8774 3ff92ba1ee
commit 83880cced3
2 changed files with 5 additions and 1 deletions
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3
src/nvim/eval.c
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@@ -17504,7 +17504,8 @@ static char *save_tv_as_string(typval_T *tv, ptrdiff_t *const len, bool endnl)
// print an error.
if (tv->v_type != VAR_LIST && tv->v_type != VAR_NUMBER) {
const char *ret = tv_get_string_chk(tv);
if (ret && (*len = strlen(ret))) {
if (ret) {
*len = strlen(ret);
return xmemdupz(ret, (size_t)(*len));
} else {
*len = -1;

3
test/functional/eval/system_spec.lua
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@@ -258,6 +258,9 @@ describe('system()', function()
end
eq(2, eval("1+1")) -- Still alive?
end)
it('works with an empty string', function()
eq("test\n", eval('system("echo test", "")'))
end)
end)
describe('passing a lot of input', function()