diff options
| author | Lennart Poettering <lennart@poettering.net> | 2009-09-18 04:05:54 +0200 |
|---|---|---|
| committer | Colin Guthrie <cguthrie@mandriva.org> | 2009-09-18 09:09:19 +0100 |
| commit | fd1f9f85713a58e34c63c6218b7a81e6c3fe6f9f (patch) | |
| tree | cad45c1d33a767313e6fb844922b9a009c5eafa4 /src | |
| parent | 180ef1eebdfbdf0220af1fb5e4bf43e348207cde (diff) | |
macro: introduce PA_INT_TYPE_MIN, PA_INT_TYPE_MAX, PA_INT_TYPE_SIGNED macros
Diffstat (limited to 'src')
| -rw-r--r-- | src/pulsecore/macro.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/pulsecore/macro.h b/src/pulsecore/macro.h index bffcc264..9a5a2670 100644 --- a/src/pulsecore/macro.h +++ b/src/pulsecore/macro.h @@ -304,6 +304,18 @@ typedef int pa_bool_t; #define pa_memzero(x,l) (memset((x), 0, (l))) #define pa_zero(x) (pa_memzero(&(x), sizeof(x))) +#define PA_INT_TYPE_SIGNED(type) (!!((type) 0 > (type) -1)) + +#define PA_INT_TYPE_MAX(type) \ + ((type) (PA_INT_TYPE_SIGNED(type) \ + ? ~(~(type) 0 << (8*sizeof(type)-1)) \ + : (type) -1)) + +#define PA_INT_TYPE_MIN(type) \ + ((type) (PA_INT_TYPE_SIGNED(type) \ + ? (~(type) 0 << (8*sizeof(type)-1)) \ + : (type) 0)) + /* We include this at the very last place */ #include <pulsecore/log.h> |