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| 1 | #include <stdio.h> | |
| 2 | ||
| 3 | #include "black_magic.h" | |
| 4 | ||
| 5 | ||
| 6 | typedef int (*func) (void *, void *, size_t); | |
| 7 | ||
| 8 | #define NFUNCS 3 | |
| 9 | ||
| 10 | int f0(void *dst, void *src, size_t n) { ... }
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| 11 | int f1(void *dst, void *src, size_t n) { ... }
| |
| 12 | int f2(void *dst, void *src, size_t n) { ... }
| |
| 13 | ||
| 14 | func funcs[NFUNCS] = {
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| 15 | f0, f1, f2 | |
| 16 | }; | |
| 17 | ||
| 18 | ||
| 19 | int _wrapper(void *dst, void *src, size_t n) | |
| 20 | {
| |
| 21 | printf("%p %p %lu\n", dst, src, n);
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| 22 | - | return ((func)black_magic_get_wrapper())(dst, src, n); |
| 22 | + | return ((func)black_magic_get_wrapped())(dst, src, n); |
| 23 | } | |
| 24 | ||
| 25 | ||
| 26 | void init() | |
| 27 | {
| |
| 28 | for (int i = 0; i < NFUNCS; i++) {
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| 29 | black_magic_wrap(funcs[i], _wrapper); | |
| 30 | } | |
| 31 | } | |
| 32 | ||
| 33 | ||
| 34 | int main(void) | |
| 35 | {
| |
| 36 | int x = 13; | |
| 37 | int y; | |
| 38 | ||
| 39 | init(); | |
| 40 | ||
| 41 | ((func)(funcs[1]))(&y, &x, sizeof(int)); | |
| 42 | ||
| 43 | return 0; | |
| 44 | } | |
| 45 |