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ERR_GET_LIB(3) OpenSSL ERR_GET_LIB(3)
NAME
ERR_GET_LIB, ERR_GET_FUNC, ERR_GET_REASON - get library,
function and reason code
SYNOPSIS
#include
int ERR_GET_LIB(unsigned long e);
int ERR_GET_FUNC(unsigned long e);
int ERR_GET_REASON(unsigned long e);
DESCRIPTION
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 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 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
number.
ERR_GET_LIB(), ERR_GET_FUNC() and ERR_GET_REASON() are
macros.
RETURN VALUES
The library number, function code and reason code respec-
tively.
SEE ALSO
err(3), ERR_get_error(3)
HISTORY
ERR_GET_LIB(), ERR_GET_FUNC() and ERR_GET_REASON() are
available in all versions of SSLeay and OpenSSL.
0.9.7c 2000-02-01 ERR_GET_LIB(3)
Time taken: 0.10415 seconds
Created with the man page lookup class by Andrew Collington,
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