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#ifndef CERT_TRANS_UTIL_OPENSSL_UTIL_H_
#define CERT_TRANS_UTIL_OPENSSL_UTIL_H_
#include <glog/logging.h>
#include <openssl/err.h>
#include <string>
namespace util {
// Dump all OpenSSL errors and clear the stack. Use like so:
// LOG(level) << DumpOpenSSLErrorStack();
// to avoid doing unnecessary work when the requested logging level
// is not enabled. (However note that in this case the error stack
// should be cleared separately.)
//
// Call ERR_load_crypto_strings()/ERR_load_ssl_strings() first to get
// human-readable strings.
std::string DumpOpenSSLErrorStack();
void ClearOpenSSLErrors();
std::string ReadBIO(BIO* bio);
} // namespace util
// Convenience macro to help automatically clear the stack regardless of
// whether the requested logging level is high enough.
// Defined as macro so that logging happens locally where the error occurred.
#define LOG_OPENSSL_ERRORS(severity) \
do { \
LOG(severity) << util::DumpOpenSSLErrorStack(); \
util::ClearOpenSSLErrors(); \
} while (0);
#endif // CERT_TRANS_UTIL_OPENSSL_UTIL_H_
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