diff options
| author | Lennart Poettering <lennart@poettering.net> | 2009-08-17 19:15:33 +0200 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2009-08-17 19:15:33 +0200 |
| commit | fe3a21f6a5958a6e54d5bcf7c162767cfdf5f9db (patch) | |
| tree | 2c0a0fbe02d6c47c9340ec7cb1d1173b06ec21f1 | |
| parent | 319d187972f792568e37af92726b3f25e708cbbc (diff) | |
macro: add PA_ROUND_UP/PA_ROUND_DOWN macros
| -rw-r--r-- | src/pulsecore/macro.h | 34 |
1 files changed, 30 insertions, 4 deletions
diff --git a/src/pulsecore/macro.h b/src/pulsecore/macro.h index cf662510..aa06359a 100644 --- a/src/pulsecore/macro.h +++ b/src/pulsecore/macro.h @@ -91,7 +91,8 @@ static inline size_t pa_page_align(size_t l) { #ifdef __GNUC__ #define PA_MAX(a,b) \ - __extension__ ({ typeof(a) _a = (a); \ + __extension__ ({ \ + typeof(a) _a = (a); \ typeof(b) _b = (b); \ _a > _b ? _a : _b; \ }) @@ -101,7 +102,8 @@ static inline size_t pa_page_align(size_t l) { #ifdef __GNUC__ #define PA_MIN(a,b) \ - __extension__ ({ typeof(a) _a = (a); \ + __extension__ ({ \ + typeof(a) _a = (a); \ typeof(b) _b = (b); \ _a < _b ? _a : _b; \ }) @@ -111,7 +113,8 @@ static inline size_t pa_page_align(size_t l) { #ifdef __GNUC__ #define PA_CLAMP(x, low, high) \ - __extension__ ({ typeof(x) _x = (x); \ + __extension__ ({ \ + typeof(x) _x = (x); \ typeof(low) _low = (low); \ typeof(high) _high = (high); \ ((_x > _high) ? _high : ((_x < _low) ? _low : _x)); \ @@ -122,7 +125,8 @@ static inline size_t pa_page_align(size_t l) { #ifdef __GNUC__ #define PA_CLAMP_UNLIKELY(x, low, high) \ - __extension__ ({ typeof(x) _x = (x); \ + __extension__ ({ \ + typeof(x) _x = (x); \ typeof(low) _low = (low); \ typeof(high) _high = (high); \ (PA_UNLIKELY(_x > _high) ? _high : (PA_UNLIKELY(_x < _low) ? _low : _x)); \ @@ -135,6 +139,28 @@ static inline size_t pa_page_align(size_t l) { * make sense: we cannot know if it is more likely that the values is * lower or greater than the boundaries.*/ +#ifdef __GNUC__ +#define PA_ROUND_UP(a, b) \ + __extension__ ({ \ + typeof(a) _a = (a); \ + typeof(b) _b = (b); \ + ((_a + _b - 1) / _b) * _b; \ + }) +#else +#define PA_ROUND_UP(a, b) ((((a) + (b) - 1) / (b)) * (b)) +#endif + +#ifdef __GNUC__ +#define PA_ROUND_DOWN(a, b) \ + __extension__ ({ \ + typeof(a) _a = (a); \ + typeof(b) _b = (b); \ + (_a / _b) * _b; \ + }) +#else +#define PA_ROUND_DOWN(a, b) (((a) / (b)) * (b)) +#endif + /* This type is not intended to be used in exported APIs! Use classic "int" there! */ #ifdef HAVE_STD_BOOL typedef _Bool pa_bool_t; |