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ERR_GET_LIB(3) OpenSSL ERR_GET_LIB(3)
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ERR_GET_LIB, ERR_GET_FUNC, ERR_GET_REASON - get library, function and
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 num-
ber, function code and reason code. ERR_GET_LIB(), ERR_GET_FUNC() and
ERR_GET_REASON() can be used to extract these.
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 rea-
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 number.
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 and OpenSSL.
0.9.9-dev 2000-07-16 ERR_GET_LIB(3)