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| author | Andreas Rheinhardt <andreas.rheinhardt@gmail.com> | 2020-03-23 03:26:58 +0100 |
|---|---|---|
| committer | Andreas Rheinhardt <andreas.rheinhardt@gmail.com> | 2020-03-26 19:29:54 +0100 |
| commit | ed18ec55773881875cb11305a1df90650743b42a (patch) | |
| tree | 579931e66ec5f20c3d755398200bad64dbedc124 /doc/developer.texi | |
| parent | 59c993e227cd0460513d3eeaf17cc34dff33019e (diff) | |
| download | ffmpeg-ed18ec55773881875cb11305a1df90650743b42a.tar.gz | |
doc/developer.texi: Add variadic macros to allowed C language features
They are used in several places like CBS.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Diffstat (limited to 'doc/developer.texi')
| -rw-r--r-- | doc/developer.texi | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/doc/developer.texi b/doc/developer.texi index 5c342c9106..51e7299b1d 100644 --- a/doc/developer.texi +++ b/doc/developer.texi @@ -132,6 +132,9 @@ compound literals (@samp{x = (struct s) @{ 17, 23 @};}). for loops with variable definition (@samp{for (int i = 0; i < 8; i++)}); @item +Variadic macros (@samp{#define ARRAY(nb, ...) (int[nb + 1])@{ nb, __VA_ARGS__ @}}); + +@item Implementation defined behavior for signed integers is assumed to match the expected behavior for two's complement. Non representable values in integer casts are binary truncated. Shift right of signed values uses sign extension. |