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/* linux/arch/mips/lib/memset.c
*
* This is from GNU libc.
*/
#include <linux/types.h>
#define op_t unsigned long int
#define OPSIZ (sizeof(op_t))
typedef unsigned char byte;
void *memset(void *dstpp, char c, size_t len)
{
long int dstp = (long int) dstpp;
if (len >= 8) {
size_t xlen;
op_t cccc;
cccc = (unsigned char) c;
cccc |= cccc << 8;
cccc |= cccc << 16;
/* There are at least some bytes to set.
No need to test for LEN == 0 in this alignment loop. */
while (dstp % OPSIZ != 0) {
((byte *) dstp)[0] = c;
dstp += 1;
len -= 1;
}
/* Write 8 `op_t' per iteration until less
* than 8 `op_t' remain.
*/
xlen = len / (OPSIZ * 8);
while (xlen > 0) {
((op_t *) dstp)[0] = cccc;
((op_t *) dstp)[1] = cccc;
((op_t *) dstp)[2] = cccc;
((op_t *) dstp)[3] = cccc;
((op_t *) dstp)[4] = cccc;
((op_t *) dstp)[5] = cccc;
((op_t *) dstp)[6] = cccc;
((op_t *) dstp)[7] = cccc;
dstp += 8 * OPSIZ;
xlen -= 1;
}
len %= OPSIZ * 8;
/* Write 1 `op_t' per iteration until less than
* OPSIZ bytes remain.
*/
xlen = len / OPSIZ;
while (xlen > 0) {
((op_t *) dstp)[0] = cccc;
dstp += OPSIZ;
xlen -= 1;
}
len %= OPSIZ;
}
/* Write the last few bytes. */
while (len > 0) {
((byte *) dstp)[0] = c;
dstp += 1;
len -= 1;
}
return dstpp;
}
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