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| author | Juergen Beisert <jbe@pengutronix.de> | 2010-12-20 16:05:00 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2010-12-21 08:26:08 +0100 |
| commit | 799b06606b94bf48b7340ad674f9924201d5dc75 (patch) | |
| tree | bc77e992d6f9359c196aad6c195947c00be4aba9 /include/common.h | |
| parent | 50352ae9d9ca30081eb6f38a93fb7d6b539bc7ca (diff) | |
| download | barebox-799b06606b94bf48b7340ad674f9924201d5dc75.tar.gz barebox-799b06606b94bf48b7340ad674f9924201d5dc75.tar.xz | |
Add more useful generic macros
Stolen from the Linux kernel.
Signed-off-by: Juergen Beisert <jbe@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'include/common.h')
| -rw-r--r-- | include/common.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/common.h b/include/common.h index 1bea10c05a..35ad7b994d 100644 --- a/include/common.h +++ b/include/common.h @@ -231,4 +231,14 @@ extern const char version_string[]; } \ ) +#define abs(x) ({ \ + long __x = (x); \ + (__x < 0) ? -__x : __x; \ + }) + +#define abs64(x) ({ \ + s64 __x = (x); \ + (__x < 0) ? -__x : __x; \ + }) + #endif /* __COMMON_H_ */ |