| 1 | #include <dlfcn.h> |
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| 2 | #include <stdio.h> |
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| 3 | #include <malloc.h> |
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| 4 | |
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| 5 | int |
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| 6 | main (void) |
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| 7 | { |
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| 8 | #ifdef M_PERTURB |
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| 9 | mallopt (M_PERTURB, val: 0xaa); |
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| 10 | #endif |
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| 11 | |
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| 12 | void *h; |
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| 13 | int (*fn) (int); |
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| 14 | h = dlopen (file: "unload4mod1.so" , RTLD_LAZY); |
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| 15 | if (h == NULL) |
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| 16 | { |
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| 17 | puts (s: "1st dlopen failed" ); |
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| 18 | return 1; |
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| 19 | } |
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| 20 | fn = dlsym (handle: h, name: "foo" ); |
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| 21 | if (fn == NULL) |
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| 22 | { |
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| 23 | puts (s: "dlsym failed" ); |
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| 24 | return 1; |
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| 25 | } |
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| 26 | int n = fn (10); |
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| 27 | if (n != 28) |
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| 28 | { |
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| 29 | printf (format: "foo (10) returned %d != 28\n" , n); |
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| 30 | return 1; |
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| 31 | } |
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| 32 | dlclose (handle: h); |
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| 33 | h = dlopen (file: "unload4mod3.so" , RTLD_LAZY); |
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| 34 | fn = dlsym (handle: h, name: "mod3fn2" ); |
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| 35 | if (fn == NULL) |
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| 36 | { |
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| 37 | puts (s: "second dlsym failed" ); |
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| 38 | return 1; |
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| 39 | } |
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| 40 | n = fn (10); |
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| 41 | if (n != 22) |
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| 42 | { |
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| 43 | printf (format: "mod3fn2 (10) returned %d != 22\n" , n); |
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| 44 | return 1; |
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| 45 | } |
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| 46 | dlclose (handle: h); |
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| 47 | return 0; |
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| 48 | } |
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| 49 | |
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