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Add define for timersub to compat.h.

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This commit is contained in:
Nicholas Marriott 2013-03-28 00:00:13 +00:00
parent 629cfec8a3
commit 64ea8829af
1 changed files with 12 additions and 0 deletions
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12
compat.h
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@ -152,6 +152,18 @@ typedef uint64_t u_int64_t;
} while (0)
#endif
#ifndef timersub
#define timersub(tvp, uvp, vvp) \
do { \
(vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \
(vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec; \
if ((vvp)->tv_usec < 0) { \
(vvp)->tv_sec--; \
(vvp)->tv_usec += 1000000; \
} \
} while (0)
#endif
#ifndef TTY_NAME_MAX
#define TTY_NAME_MAX 32
#endif