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