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| author | Luca Barbato <lu_zero@gentoo.org> | 2012-05-04 10:03:42 -0700 |
|---|---|---|
| committer | Luca Barbato <lu_zero@gentoo.org> | 2012-05-06 15:47:10 -0700 |
| commit | e004bc16a1304822226b5b1ceebdb899d72ee538 (patch) | |
| tree | 95ae02eabe7f56f83667f6870496a0686b165565 /doc | |
| parent | fb5c1aaea60a714dab3d4e6e71228855fd816222 (diff) | |
| download | ffmpeg-e004bc16a1304822226b5b1ceebdb899d72ee538.tar.gz | |
doc: clarify check for NULL pointer style
Our code should be terse and clear.
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/developer.texi | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/doc/developer.texi b/doc/developer.texi index de642396dc..fed28cdbcd 100644 --- a/doc/developer.texi +++ b/doc/developer.texi @@ -73,6 +73,10 @@ const char *avfilter_configuration(void) @} @end example @item +Do not check for NULL values by comparison, @samp{if (p)} and +@samp{if (!p)} are correct; @samp{if (p == NULL)} and @samp{if (p != NULL)} +are not. +@item In case of a single-statement if, no curly braces are required: @example if (!pic || !picref) |