Function EVP_DigestUpdate

tests/OpenSSLErrorTest.cpp:239–248

}

int EVP_DigestUpdate(EVP_MD_CTX* ctx, const void* d, size_t cnt) {
	static int (*origMethod)(EVP_MD_CTX * ctx, const void* d, size_t cnt) = nullptr;
	if (origMethod == nullptr) origMethod = (decltype(origMethod))dlsym(RTLD_NEXT, SYMBOL_NAME("EVP_DigestUpdate"));
	bool fail = fail_EVP_DigestUpdate & 1;
	fail_EVP_DigestUpdate = fail_EVP_DigestUpdate >> 1;
	if (fail)
		return 0;
	else
		return origMethod(ctx, d, cnt);
}

int EVP_DigestFinal(EVP_MD_CTX* ctx, unsigned char* md, unsigned int* s) {
	static int (*origMethod)(EVP_MD_CTX * ctx, unsigned char* md, unsigned int* s) = nullptr;