Mercurial > vim
comparison src/evalfunc.c @ 25721:0612d28321e8 v8.2.3396
patch 8.2.3396: when libcall() fails invalid pointer may be used
Commit: https://github.com/vim/vim/commit/87e1587b8add93e40340170e4261cdadc4c8940e
Author: Bram Moolenaar <Bram@vim.org>
Date: Thu Sep 2 19:53:07 2021 +0200
patch 8.2.3396: when libcall() fails invalid pointer may be used
Problem: When libcall() fails invalid pointer may be used.
Solution: Initialize the string to NULL. (Yasuhiro Matsumoto, closes https://github.com/vim/vim/issues/8829)
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Thu, 02 Sep 2021 20:00:05 +0200 |
| parents | c07b6c54146a |
| children | f35efe44dacd |
comparison
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| 25720:ebc29a793c7d | 25721:0612d28321e8 |
|---|---|
| 6687 { | 6687 { |
| 6688 string_in = NULL; | 6688 string_in = NULL; |
| 6689 if (argvars[2].v_type == VAR_STRING) | 6689 if (argvars[2].v_type == VAR_STRING) |
| 6690 string_in = argvars[2].vval.v_string; | 6690 string_in = argvars[2].vval.v_string; |
| 6691 if (type == VAR_NUMBER) | 6691 if (type == VAR_NUMBER) |
| 6692 { | |
| 6692 string_result = NULL; | 6693 string_result = NULL; |
| 6694 } | |
| 6693 else | 6695 else |
| 6696 { | |
| 6697 rettv->vval.v_string = NULL; | |
| 6694 string_result = &rettv->vval.v_string; | 6698 string_result = &rettv->vval.v_string; |
| 6699 } | |
| 6695 if (mch_libcall(argvars[0].vval.v_string, | 6700 if (mch_libcall(argvars[0].vval.v_string, |
| 6696 argvars[1].vval.v_string, | 6701 argvars[1].vval.v_string, |
| 6697 string_in, | 6702 string_in, |
| 6698 argvars[2].vval.v_number, | 6703 argvars[2].vval.v_number, |
| 6699 string_result, | 6704 string_result, |