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Ignore whitespace Rev 3707 → Rev 3750

/trunk/kernel/generic/src/lib/memstr.c
1,5 → 1,6
/*
* Copyright (c) 2001-2004 Jakub Jermar
* Copyright (c) 2008 Jiri Svoboda
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
76,6 → 77,51
return (char *) dst;
}
 
/** Move memory block with possible overlapping.
*
* Copy cnt bytes from src address to dst address. The source and destination
* memory areas may overlap.
*
* @param src Source address to copy from.
* @param dst Destination address to copy to.
* @param cnt Number of bytes to copy.
*
* @return Destination address.
*/
void *memmove(void *dst, const void *src, size_t n)
{
const uint8_t *sp;
uint8_t *dp;
 
/* Nothing to do? */
if (src == dst)
return dst;
 
/* Non-overlapping? */
if (dst >= src + n || src >= dst + n) {
return memcpy(dst, src, n);
}
 
/* Which direction? */
if (src > dst) {
/* Forwards. */
sp = src;
dp = dst;
 
while (n-- != 0)
*dp++ = *sp++;
} else {
/* Backwards. */
sp = src + (n - 1);
dp = dst + (n - 1);
 
while (n-- != 0)
*dp-- = *sp--;
}
 
return dst;
}
 
/** Fill block of memory
*
* Fill cnt bytes at dst address with the value x. The filling is done