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shared: add NM_DIV_ROUND_UP() helper macro

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Inspired by ethtool's DIV_ROUND_UP() and systemd's DIV_ROUND_UP().
This commit is contained in:
Thomas Haller 2018-08-07 09:21:45 +02:00
parent df30651b89
commit b7c8e3dbfa
1 changed files with 8 additions and 0 deletions
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8
shared/nm-utils/nm-macros-internal.h
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@ -1137,6 +1137,14 @@ nm_clear_g_cancellable (GCancellable **cancellable)
&& ((__x & (__x - (((typeof(__x)) 1)))) == ((typeof(__x)) 0))); \
})
#define NM_DIV_ROUND_UP(x, y) \
({ \
const typeof(x) _x = (x); \
const typeof(y) _y = (y); \
\
(_x / _y + !!(_x % _y)); \
})
/*****************************************************************************/
#define NM_UTILS_LOOKUP_DEFAULT(v) return (v)