| 1 | |
| 2 | |
| 3 | * arch/mips/boot/compressed/string.c
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| 4 | *
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| 5 | * Very small subset of simple string routines
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| 6 |
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| 7 |
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| 8 | #include <linux/compiler_attributes.h>
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| 9 | #include <linux/types.h>
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| 10 | #include <asm/string.h>
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| 11 |
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| 12 | void *memcpy(void *dest, const void *src, size_t n)
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| 13 | {
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| 14 | int i;
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| 15 | const char *s = src;
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| 16 | char *d = dest;
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| 17 |
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| 18 | for (i = 0; i < n; i++)
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| 19 | d[i] = s[i];
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| 20 | return dest;
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| 21 | }
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| 22 |
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| 23 | void *memset(void *s, int c, size_t n)
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| 24 | {
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| 25 | int i;
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| 26 | char *ss = s;
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| 27 |
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| 28 | for (i = 0; i < n; i++)
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| 29 | ss[i] = c;
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| 30 | return s;
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| 31 | }
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| 32 |
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| 33 | void * __weak memmove(void *dest, const void *src, size_t n)
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| 34 | {
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| 35 | unsigned int i;
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| 36 | const char *s = src;
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| 37 | char *d = dest;
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| 38 |
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| 39 | if ((uintptr_t)dest < (uintptr_t)src) {
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| 40 | for (i = 0; i < n; i++)
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| 41 | d[i] = s[i];
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| 42 | } else {
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| 43 | for (i = n; i > 0; i--)
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| 44 | d[i - 1] = s[i - 1];
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| 45 | }
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| 46 | return dest;
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| 47 | }
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