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Ignore whitespace Rev 3403 → Rev 3404

/trunk/kernel/generic/src/lib/memstr.c
34,12 → 34,10
* @file
* @brief Memory string operations.
*
* This file provides architecture independent functions
* to manipulate blocks of memory. These functions
* are optimized as much as generic functions of
* this type can be. However, architectures are
* free to provide even more optimized versions of these
* functions.
* This file provides architecture independent functions to manipulate blocks of
* memory. These functions are optimized as much as generic functions of this
* type can be. However, architectures are free to provide even more optimized
* versions of these functions.
*/
 
#include <memstr.h>
46,32 → 44,33
#include <arch/types.h>
#include <align.h>
 
/** Copy block of memory
/** Copy block of memory.
*
* Copy cnt bytes from src address to dst address.
* The copying is done word-by-word and then byte-by-byte.
* The source and destination memory areas cannot overlap.
* Copy cnt bytes from src address to dst address. The copying is done
* word-by-word and then byte-by-byte. The source and destination memory areas
* cannot overlap.
*
* @param src Origin address to copy from.
* @param dst Origin address to copy to.
* @param cnt Number of bytes to copy.
* @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 *_memcpy(void * dst, const void *src, size_t cnt)
void *_memcpy(void *dst, const void *src, size_t cnt)
{
unsigned int i, j;
if (ALIGN_UP((uintptr_t) src, sizeof(unative_t)) != (uintptr_t) src ||
ALIGN_UP((uintptr_t) dst, sizeof(unative_t)) != (uintptr_t) dst) {
ALIGN_UP((uintptr_t) dst, sizeof(unative_t)) != (uintptr_t) dst) {
for (i = 0; i < cnt; i++)
((uint8_t *) dst)[i] = ((uint8_t *) src)[i];
} else {
for (i = 0; i < cnt / sizeof(unative_t); i++)
((unative_t *) dst)[i] = ((unative_t *) src)[i];
for (j = 0; j < cnt % sizeof(unative_t); j++)
((uint8_t *)(((unative_t *) dst) + i))[j] = ((uint8_t *)(((unative_t *) src) + i))[j];
((uint8_t *)(((unative_t *) dst) + i))[j] =
((uint8_t *)(((unative_t *) src) + i))[j];
}
return (char *) dst;
79,12 → 78,12
 
/** Fill block of memory
*
* Fill cnt bytes at dst address with the value x.
* The filling is done byte-by-byte.
* Fill cnt bytes at dst address with the value x. The filling is done
* byte-by-byte.
*
* @param dst Origin address to fill.
* @param cnt Number of bytes to fill.
* @param x Value to fill.
* @param dst Destination address to fill.
* @param cnt Number of bytes to fill.
* @param x Value to fill.
*
*/
void _memsetb(void *dst, size_t cnt, uint8_t x)
96,14 → 95,14
p[i] = x;
}
 
/** Fill block of memory
/** Fill block of memory.
*
* Fill cnt words at dst address with the value x.
* The filling is done word-by-word.
* Fill cnt words at dst address with the value x. The filling is done
* word-by-word.
*
* @param dst Origin address to fill.
* @param cnt Number of words to fill.
* @param x Value to fill.
* @param dst Destination address to fill.
* @param cnt Number of words to fill.
* @param x Value to fill.
*
*/
void _memsetw(void *dst, size_t cnt, uint16_t x)
115,16 → 114,16
p[i] = x;
}
 
/** Copy string
/** Copy string.
*
* Copy string from src address to dst address.
* The copying is done char-by-char until the null
* character. The source and destination memory areas
* cannot overlap.
* Copy string from src address to dst address. The copying is done
* char-by-char until the null character. The source and destination memory
* areas cannot overlap.
*
* @param src Origin string to copy from.
* @param dst Origin string to copy to.
* @param src Source string to copy from.
* @param dst Destination string to copy to.
*
* @return Address of the destination string.
*/
char *strcpy(char *dest, const char *src)
{