Mercurial > vim
diff runtime/doc/develop.txt @ 13726:d35b1702a1da v8.0.1735
patch 8.0.1735: flexible array member feature not supported by HP-UX
commit https://github.com/vim/vim/commit/285e3358696b1bc6296e5d4c53425680ce8fbd54
Author: Bram Moolenaar <Bram@vim.org>
Date: Wed Apr 18 23:01:13 2018 +0200
patch 8.0.1735: flexible array member feature not supported by HP-UX
Problem: Flexible array member feature not supported by HP-UX. (John
Marriott)
Solution: Do not use the flexible array member feature of C99.
| author | Christian Brabandt <cb@256bit.org> |
|---|---|
| date | Wed, 18 Apr 2018 23:15:06 +0200 |
| parents | 30f9ebe3e602 |
| children | a62eeee5f116 |
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--- a/runtime/doc/develop.txt +++ b/runtime/doc/develop.txt @@ -209,16 +209,6 @@ Types ~ "long long" is allowed and can be expected to be 64 bits. Use %lld in printf formats. Also "long long unsigned" with %llu. -Flexible array members ~ - -This is an array without size, used as the last member of a struct. Vim used -to have an array of size one, which causes trouble with FORTIFY_SOURCE. Using -an "unsized array" is the intended use, we will change all of them. - struct some_stuff { - size_t length; - char payload[]; // will have size "length" - }; - Not to be used ~ These C99 features are not to be used, because not enough compilers support @@ -228,6 +218,7 @@ them: - Variable length arrays (even in C11 this is an optional feature). - _Bool and _Complex types. - "inline" (it's hardly ever needed, let the optimizer do its work) +- flexible array members: Not supported by HP-UX C compiler (John Marriott) USE OF COMMON FUNCTIONS *style-functions*