dlopen_test.c
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#include <dlfcn.h> |
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#include <stdio.h> |
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#include <stdlib.h> |
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int main(void) { |
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void* handle;
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void* func;
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handle = dlopen("libssl.so", RTLD_NOW | RTLD_GLOBAL);
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if (handle) {
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func = dlsym(handle, "CRYPTO_set_id_callback");
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if (!func) {
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printf("error, can't load CRYPTO_set_id_callback\n");
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exit(1);
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} else {
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printf("loaded CRYPTO_set_id_callback\n");
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exit(0);
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} |
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} else {
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printf("error, can't open libssl.so: %s\n", dlerror());
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exit(1);
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} |
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dlclose(handle); |
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exit(0);
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} |