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libbsd.txt: Clarify rules to modify FreeBSD code

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Sebastian Huber
2015-07-15 09:57:45 +02:00
parent c6e539593e
commit a57dfa0ded
1 changed files with 13 additions and 3 deletions
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16
libbsd.txt
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@@ -434,8 +434,9 @@ http://www.freebsd.org/cgi/man.cgi?query=kobj&sektion=9&apropos=0&manpath=FreeBS
=== Rules for Modifying FreeBSD Source === Rules for Modifying FreeBSD Source
Only add lines. Subtract code by added `#ifndef __rtems__`. This makes Only add lines. If your patch contains lines starting with a '-', then this is
merging easier in the future. For example: wrong. Subtract code by added `#ifndef __rtems__`. This makes merging easier
in the future. For example:
------------------------------------------------------------------------------- -------------------------------------------------------------------------------
/* Global variables for the kernel. */ /* Global variables for the kernel. */
@@ -479,7 +480,16 @@ extern volatile int ticks;
------------------------------------------------------------------------------- -------------------------------------------------------------------------------
Add nothing (even blank lines) before or after the `__rtems__` guards. Always Add nothing (even blank lines) before or after the `__rtems__` guards. Always
include a `__rtems__` in the guards to make searches easy. include a `__rtems__` in the guards to make searches easy, so use
* `#ifndef __rtems__`,
* `#ifdef __rtems__`,
* `#else /* __rtems__ */`, and
* `#endif /* __rtems__ */`.
For new code use
http://www.freebsd.org/cgi/man.cgi?query=style&apropos=0&sektion=9&manpath=FreeBSD+9.2-RELEASE&arch=default&format=html[STYLE(9)].
Do not format original FreeBSD code.
== BSD Library Source == BSD Library Source