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ERR_GET_LIB(3) OpenSSL ERR_GET_LIB(3)
ERR_GET_LIB, ERR_GET_FUNC, ERR_GET_REASON - get library, function and reason code
int ERR_GET_LIB(unsigned long e);
int ERR_GET_FUNC(unsigned long e);
int ERR_GET_REASON(unsigned long e);
The error code returned by ERR_get_error() consists of a library number, function code and
reason code. ERR_GET_LIB(), ERR_GET_FUNC() and ERR_GET_REASON() can be used to extract
The library number and function code describe where the error occurred, the reason code is
the information about what went wrong.
Each sub-library of OpenSSL has a unique library number; function and reason codes are
unique within each sub-library. Note that different libraries may use the same value to
signal different functions and reasons.
ERR_R_... reason codes such as ERR_R_MALLOC_FAILURE are globally unique. However, when
checking for sub-library specific reason codes, be sure to also compare the library num-
ERR_GET_LIB(), ERR_GET_FUNC() and ERR_GET_REASON() are macros.
The library number, function code and reason code respectively.
ERR_GET_LIB(), ERR_GET_FUNC() and ERR_GET_REASON() are available in all versions of SSLeay
0.9.7a 2000-01-31 ERR_GET_LIB(3)
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