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Added timersub definition if missing

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This commit is contained in:
Abramo Bagnara 2001-02-25 11:54:05 +00:00
parent 740881bdf5
commit cd88bf91b8
1 changed files with 12 additions and 0 deletions
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12
aplay/aplay.c
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@ -818,6 +818,18 @@ static void set_params(void)
// fprintf(stderr, "real chunk_size = %i, frags = %i, total = %i\n", chunk_size, setup.buf.block.frags, setup.buf.block.frags * chunk_size);
}
#ifndef timersub
#define timersub(a, b, result) \
do { \
(result)->tv_sec = (a)->tv_sec - (b)->tv_sec; \
(result)->tv_usec = (a)->tv_usec - (b)->tv_usec; \
if ((result)->tv_usec < 0) { \
--(result)->tv_sec; \
(result)->tv_usec += 1000000; \
} \
} while (0)
#endif
/* playback write error hander */
void xrun(void)