55 lines
1.7 KiB
C
55 lines
1.7 KiB
C
/*
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This file is part of "Ostinato"
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These macros are copied from BSD sys/time.h
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*/
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#ifndef _TIME_VAL_OPS
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#define _TIME_VAL_OPS
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/* Operations on timeval - for platforms where some are not already defined*/
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#if defined(Q_OS_WIN32)
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#ifndef timerclear
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#define timerclear(tvp) ((tvp)->tv_sec = (tvp)->tv_usec = 0)
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#endif
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#ifndef timerisset
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#define timerisset(tvp) ((tvp)->tv_sec || (tvp)->tv_usec)
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#endif
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#ifndef timercmp
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#define timercmp(tvp, uvp, cmp) \
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(((tvp)->tv_sec == (uvp)->tv_sec) ? \
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g((tvp)->tv_usec cmp (uvp)->tv_usec) : \
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g((tvp)->tv_sec cmp (uvp)->tv_sec))
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#endif
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#ifndef timeradd
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#define timeradd(tvp, uvp, vvp) \
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do { \
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(vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec; \
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(vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec; \
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if ((vvp)->tv_usec >= 1000000) { \
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(vvp)->tv_sec++; \
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(vvp)->tv_usec -= 1000000; \
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} \
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} while (0)
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#endif
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#ifndef timersub
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#define timersub(tvp, uvp, vvp) \
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do { \
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(vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \
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(vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec; \
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if ((vvp)->tv_usec < 0) { \
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(vvp)->tv_sec--; \
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(vvp)->tv_usec += 1000000; \
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} \
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} while (0)
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#endif
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#endif /* Q_OS_WIN32 */
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#endif
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