48 lines
993 B
C
48 lines
993 B
C
/*
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* Misc. functions for systems that don't have them
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*
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* Copyright 1996 Alexandre Julliard
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*/
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#include "config.h"
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#include <sys/types.h>
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#include <sys/time.h>
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#ifndef HAVE_USLEEP
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unsigned int usleep (unsigned int useconds)
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{
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struct timeval delay;
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delay.tv_sec = 0;
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delay.tv_usec = useconds;
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select( 0, 0, 0, 0, &delay );
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return 0;
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}
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#endif /* HAVE_USLEEP */
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#ifndef HAVE_MEMMOVE
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void *memmove( void *dest, const void *src, unsigned int len )
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{
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register char *dst = dest;
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/* Use memcpy if not overlapping */
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if ((dst + len <= (char *)src) || ((char *)src + len <= dst))
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{
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memcpy( dst, src, len );
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}
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/* Otherwise do it the hard way (FIXME: could do better than this) */
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else if (dst < src)
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{
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while (len--) *dst++ = *((char *)src)++;
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}
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else
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{
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dst += len - 1;
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src = (char *)src + len - 1;
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while (len--) *dst-- = *((char *)src)--;
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}
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return dest;
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}
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#endif /* HAVE_MEMMOVE */
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