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1 | #include <linux/types.h> |
2 | |
3 | void * memset(void * s, int c, size_t count) |
4 | { |
5 | void *xs = s; |
6 | size_t temp; |
7 | |
8 | if (!count) |
9 | return xs; |
10 | c &= 0xff; |
11 | c |= c << 8; |
12 | c |= c << 16; |
13 | if ((long) s & 1) |
14 | { |
15 | char *cs = s; |
16 | *cs++ = c; |
17 | s = cs; |
18 | count--; |
19 | } |
20 | if (count > 2 && (long) s & 2) |
21 | { |
22 | short *ss = s; |
23 | *ss++ = c; |
24 | s = ss; |
25 | count -= 2; |
26 | } |
27 | temp = count >> 2; |
28 | if (temp) |
29 | { |
30 | long *ls = s; |
31 | for (; temp; temp--) |
32 | *ls++ = c; |
33 | s = ls; |
34 | } |
35 | if (count & 2) |
36 | { |
37 | short *ss = s; |
38 | *ss++ = c; |
39 | s = ss; |
40 | } |
41 | if (count & 1) |
42 | { |
43 | char *cs = s; |
44 | *cs = c; |
45 | } |
46 | return xs; |
47 | } |
48 |
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Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9