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| author | Vladimir Levijev <vladimir.levijev@zabbix.com> | 2015-11-06 10:35:41 +0300 |
|---|---|---|
| committer | Vladimir Levijev <vladimir.levijev@zabbix.com> | 2015-11-06 10:35:41 +0300 |
| commit | 422ffba1598f4b2ae5a1861dc140ec3d1775e1c1 (patch) | |
| tree | ef138921296abf65a1c427bd225d9221831644ea /include/zbxtypes.h | |
| parent | c32b258c03a33a06a28f613f289237c0a9610f0c (diff) | |
...G...... [ZBX-2966] move ZBX_IS_TOP_BIT_SET macro sysinfo.h -> zbxtypes.h
Diffstat (limited to 'include/zbxtypes.h')
| -rw-r--r-- | include/zbxtypes.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/zbxtypes.h b/include/zbxtypes.h index d89395cfcbd..1ae1500b289 100644 --- a/include/zbxtypes.h +++ b/include/zbxtypes.h @@ -163,4 +163,7 @@ zbx_uint128_t; #define ZBX_SIZE_T_ALIGN8(size) (((size) + 7) & ~(size_t)7) +/* macro to test if a signed value has been assigned to unsigned type (char, short, int, long long) */ +#define ZBX_IS_TOP_BIT_SET(x) (0 != ((__UINT64_C(1) << ((sizeof(x) << 3) - 1)) & (zbx_uint64_t)(x))) + #endif |