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author | marha <marha@users.sourceforge.net> | 2009-06-28 22:07:26 +0000 |
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committer | marha <marha@users.sourceforge.net> | 2009-06-28 22:07:26 +0000 |
commit | 3562e78743202e43aec8727005182a2558117eca (patch) | |
tree | 8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /openssl/doc/crypto/ERR_get_error.pod | |
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xtrans-1.2.2.tar.gz
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inputproto-1.4.4.tar.gz
compositeproto-0.4.tar.gz
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zlib-1.2.3.tar.gz
xkbcomp-1.0.5.tar.gz
freetype-2.3.9.tar.gz
pthreads-w32-2-8-0-release.tar.gz
pixman-0.12.0.tar.gz
kbproto-1.0.3.tar.gz
evieext-1.0.2.tar.gz
fixesproto-4.0.tar.gz
recordproto-1.13.2.tar.gz
randrproto-1.2.2.tar.gz
scrnsaverproto-1.1.0.tar.gz
renderproto-0.9.3.tar.gz
xcmiscproto-1.1.2.tar.gz
fontsproto-2.0.2.tar.gz
xextproto-7.0.3.tar.gz
xproto-7.0.14.tar.gz
libXdmcp-1.0.2.tar.gz
libxkbfile-1.0.5.tar.gz
libfontenc-1.0.4.tar.gz
libXfont-1.3.4.tar.gz
libX11-1.1.5.tar.gz
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Diffstat (limited to 'openssl/doc/crypto/ERR_get_error.pod')
-rw-r--r-- | openssl/doc/crypto/ERR_get_error.pod | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/openssl/doc/crypto/ERR_get_error.pod b/openssl/doc/crypto/ERR_get_error.pod new file mode 100644 index 000000000..34443045f --- /dev/null +++ b/openssl/doc/crypto/ERR_get_error.pod @@ -0,0 +1,76 @@ +=pod + +=head1 NAME + +ERR_get_error, ERR_peek_error, ERR_peek_last_error, +ERR_get_error_line, ERR_peek_error_line, ERR_peek_last_error_line, +ERR_get_error_line_data, ERR_peek_error_line_data, +ERR_peek_last_error_line_data - obtain error code and data + +=head1 SYNOPSIS + + #include <openssl/err.h> + + unsigned long ERR_get_error(void); + unsigned long ERR_peek_error(void); + unsigned long ERR_peek_last_error(void); + + unsigned long ERR_get_error_line(const char **file, int *line); + unsigned long ERR_peek_error_line(const char **file, int *line); + unsigned long ERR_peek_last_error_line(const char **file, int *line); + + unsigned long ERR_get_error_line_data(const char **file, int *line, + const char **data, int *flags); + unsigned long ERR_peek_error_line_data(const char **file, int *line, + const char **data, int *flags); + unsigned long ERR_peek_last_error_line_data(const char **file, int *line, + const char **data, int *flags); + +=head1 DESCRIPTION + +ERR_get_error() returns the earliest error code from the thread's error +queue and removes the entry. This function can be called repeatedly +until there are no more error codes to return. + +ERR_peek_error() returns the earliest error code from the thread's +error queue without modifying it. + +ERR_peek_last_error() returns the latest error code from the thread's +error queue without modifying it. + +See L<ERR_GET_LIB(3)|ERR_GET_LIB(3)> for obtaining information about +location and reason of the error, and +L<ERR_error_string(3)|ERR_error_string(3)> for human-readable error +messages. + +ERR_get_error_line(), ERR_peek_error_line() and +ERR_peek_last_error_line() are the same as the above, but they +additionally store the file name and line number where +the error occurred in *B<file> and *B<line>, unless these are B<NULL>. + +ERR_get_error_line_data(), ERR_peek_error_line_data() and +ERR_get_last_error_line_data() store additional data and flags +associated with the error code in *B<data> +and *B<flags>, unless these are B<NULL>. *B<data> contains a string +if *B<flags>&B<ERR_TXT_STRING>. If it has been allocated by OPENSSL_malloc(), +*B<flags>&B<ERR_TXT_MALLOCED> is true. + +=head1 RETURN VALUES + +The error code, or 0 if there is no error in the queue. + +=head1 SEE ALSO + +L<err(3)|err(3)>, L<ERR_error_string(3)|ERR_error_string(3)>, +L<ERR_GET_LIB(3)|ERR_GET_LIB(3)> + +=head1 HISTORY + +ERR_get_error(), ERR_peek_error(), ERR_get_error_line() and +ERR_peek_error_line() are available in all versions of SSLeay and +OpenSSL. ERR_get_error_line_data() and ERR_peek_error_line_data() +were added in SSLeay 0.9.0. +ERR_peek_last_error(), ERR_peek_last_error_line() and +ERR_peek_last_error_line_data() were added in OpenSSL 0.9.7. + +=cut |