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//proc/self/root/opt/cpanel/ea-openssl11/share/man/man3/ERR_GET_REASON.3
.\" Automatically generated by Pod::Man 2.27 (Pod::Simple 3.28) .\" .\" Standard preamble: .\" ======================================================================== .de Sp \" Vertical space (when we can't use .PP) .if t .sp .5v .if n .sp .. .de Vb \" Begin verbatim text .ft CW .nf .ne \\$1 .. .de Ve \" End verbatim text .ft R .fi .. .\" Set up some character translations and predefined strings. \*(-- will .\" give an unbreakable dash, \*(PI will give pi, \*(L" will give a left .\" double quote, and \*(R" will give a right double quote. \*(C+ will .\" give a nicer C++. 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Always turn off hyphenation; it makes .\" way too many mistakes in technical documents. .if n .ad l .nh .SH "NAME" ERR_GET_LIB, ERR_GET_FUNC, ERR_GET_REASON, ERR_FATAL_ERROR \&\- get information from error codes .SH "SYNOPSIS" .IX Header "SYNOPSIS" .Vb 1 \& #include <openssl/err.h> \& \& int ERR_GET_LIB(unsigned long e); \& \& int ERR_GET_FUNC(unsigned long e); \& \& int ERR_GET_REASON(unsigned long e); \& \& int ERR_FATAL_ERROR(unsigned long e); .Ve .SH "DESCRIPTION" .IX Header "DESCRIPTION" The error code returned by \fIERR_get_error()\fR consists of a library number, function code and reason code. \s-1\fIERR_GET_LIB\s0()\fR, \s-1\fIERR_GET_FUNC\s0()\fR and \s-1\fIERR_GET_REASON\s0()\fR can be used to extract these. .PP \&\s-1\fIERR_FATAL_ERROR\s0()\fR indicates whether a given error code is a fatal error. .PP The library number and function code describe where the error occurred, the reason code is the information about what went wrong. .PP 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. .PP \&\fB\s-1ERR_R_...\s0\fR reason codes such as \fB\s-1ERR_R_MALLOC_FAILURE\s0\fR are globally unique. However, when checking for sub-library specific reason codes, be sure to also compare the library number. .PP \&\s-1\fIERR_GET_LIB\s0()\fR, \s-1\fIERR_GET_FUNC\s0()\fR, \s-1\fIERR_GET_REASON\s0()\fR, and \s-1\fIERR_FATAL_ERROR\s0()\fR are macros. .SH "RETURN VALUES" .IX Header "RETURN VALUES" The library number, function code, reason code, and whether the error is fatal, respectively. .SH "SEE ALSO" .IX Header "SEE ALSO" \&\fIERR_get_error\fR\|(3) .SH "HISTORY" .IX Header "HISTORY" \&\s-1\fIERR_GET_LIB\s0()\fR, \s-1\fIERR_GET_FUNC\s0()\fR and \s-1\fIERR_GET_REASON\s0()\fR are available in all versions of OpenSSL. .SH "COPYRIGHT" .IX Header "COPYRIGHT" Copyright 2000\-2017 The OpenSSL Project Authors. All Rights Reserved. .PP Licensed under the OpenSSL license (the \*(L"License\*(R"). You may not use this file except in compliance with the License. You can obtain a copy in the file \s-1LICENSE\s0 in the source distribution or at <https://www.openssl.org/source/license.html>.