[tor-commits] [tor/master] doc: specify C99 coding standards

[nickm@xxxxxxxxxxxxxx]

commit 284e9459b8840bdf9865e756a0bb0e63e56bae77
Author: c <c@xxxxxxxxxxx>
Date:   Thu Jun 4 13:27:30 2020 +0000

    doc: specify C99 coding standards
    
    Make clear that Tor's C code targets C99 standards. This makes it more
    explicit what to expect for new code, because guessing from existing
    code is not always reliable, especially for code that predates the
    change in standard.
---
 doc/HACKING/CodingStandards.md | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/doc/HACKING/CodingStandards.md b/doc/HACKING/CodingStandards.md
index a181759d6..99bc3e502 100644
--- a/doc/HACKING/CodingStandards.md
+++ b/doc/HACKING/CodingStandards.md
@@ -193,8 +193,9 @@ Why use changes files instead of entries in the ChangeLog?
 
 ## Whitespace and C conformance
 
-Invoke `make check-spaces` from time to time, so it can tell you about
-deviations from our C whitespace style.  Generally, we use:
+Tor's C code is written in accordance with the C99 standard. Invoke `make
+check-spaces` from time to time, so it can tell you about deviations from our C
+whitespace style.  Generally, we use:
 
    - Unix-style line endings
    - K&R-style indentation
@@ -213,6 +214,8 @@ deviations from our C whitespace style.  Generally, we use:
    - Use `void foo(void)` to declare a function with no arguments.  Saying
      `void foo()` is C++ syntax.
    - Use `const` for new APIs.
+   - Variables should be initialized when declared, rather than declared at the
+     top of a scope.
 
 If you use an editor that has plugins for editorconfig.org, the file
 `.editorconfig` will help you to conform this coding style.

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