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Hakase
2019-10-17 23:54:38 +09:00
parent 41a23ae6f6
commit ee84d0dd84
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doc/man3/ERR_get_error.pod
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@@ -61,28 +61,35 @@ 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)> for obtaining information about
location and reason of the error, and
L<ERR_error_string(3)> for human-readable error
messages.
See L<ERR_GET_LIB(3)> for obtaining further specific information
such as the reason of the error,
and L<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 ERR_get_error(),
ERR_peek_error() and ERR_peek_last_error(), 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_peek_error() and ERR_peek_last_error(), but on success they
additionally store the filename and line number where
the error occurred in *B<file> and *B<line>, as far as they are not B<NULL>.
An unset filename is indicated as B<"">, i.e., an empty string.
An unset line number is indicated as B<0>.
A pointer returned this way by these functions and the ones below
is valid until the respective entry is removed from the error queue.
ERR_get_error_func(), ERR_peek_error_func() and
ERR_peek_last_error_func() are the same as ERR_get_error(),
ERR_peek_error() and ERR_peek_last_error(), but they
additionally store the name of the function where the error in *B<func>,
unless it is B<NULL>.
ERR_peek_error() and ERR_peek_last_error(), but on success they
additionally store the name of the function where the error occurred
in *B<func>, unless it is B<NULL>.
An unset function name is indicated as B<"">.
ERR_get_error_data(), ERR_peek_error_data() and
ERR_peek_last_error_data() are the same as ERR_get_error(),
ERR_peek_error() and ERR_peek_last_error(), but they
ERR_peek_error() and ERR_peek_last_error(), but on success they
additionally store additional data and flags associated with the error
code in *B<data> and *B<flags>, unless these are B<NULL>.
code in *B<data> and *B<flags>, as far as they are not B<NULL>.
Unset data is indicated as B<"">.
In this case the value given for the flag is irrelevant (and equals B<0>).
*B<data> contains a string if *B<flags>&B<ERR_TXT_STRING> is true.
ERR_get_error_all(), ERR_peek_error_all() and