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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_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 .SH "SYNOPSIS" .IX Header "SYNOPSIS" .Vb 1 \& #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); .Ve .SH "DESCRIPTION" .IX Header "DESCRIPTION" \&\fBERR_get_error()\fR 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. .PP \&\fBERR_peek_error()\fR returns the earliest error code from the thread's error queue without modifying it. .PP \&\fBERR_peek_last_error()\fR returns the latest error code from the thread's error queue without modifying it. .PP See \s-1\fBERR_GET_LIB\s0\fR\|(3) for obtaining information about location and reason of the error, and \&\fBERR_error_string\fR\|(3) for human-readable error messages. .PP \&\fBERR_get_error_line()\fR, \fBERR_peek_error_line()\fR and \&\fBERR_peek_last_error_line()\fR are the same as the above, but they additionally store the file name and line number where the error occurred in *\fBfile\fR and *\fBline\fR, unless these are \fB\s-1NULL\s0\fR. .PP \&\fBERR_get_error_line_data()\fR, \fBERR_peek_error_line_data()\fR and \&\fBERR_peek_last_error_line_data()\fR store additional data and flags associated with the error code in *\fBdata\fR and *\fBflags\fR, unless these are \fB\s-1NULL\s0\fR. *\fBdata\fR contains a string if *\fBflags\fR&\fB\s-1ERR_TXT_STRING\s0\fR is true. .PP An application \fB\s-1MUST NOT\s0\fR free the *\fBdata\fR pointer (or any other pointers returned by these functions) with \fBOPENSSL_free()\fR as freeing is handled automatically by the error library. .SH "RETURN VALUES" .IX Header "RETURN VALUES" The error code, or 0 if there is no error in the queue. .\" Oracle has added the ARC stability level to this manual page .SH ATTRIBUTES See .BR attributes (7) for descriptions of the following attributes: .sp .TS box; cbp-1 | cbp-1 l | l . ATTRIBUTE TYPE ATTRIBUTE VALUE = Availability library/security/openssl = Stability Pass-through uncommitted .TE .PP .SH "SEE ALSO" .IX Header "SEE ALSO" \&\fBerr\fR\|(3), \fBERR_error_string\fR\|(3), \&\s-1\fBERR_GET_LIB\s0\fR\|(3) .SH "HISTORY" .IX Header "HISTORY" \&\fBERR_get_error()\fR, \fBERR_peek_error()\fR, \fBERR_get_error_line()\fR and \&\fBERR_peek_error_line()\fR are available in all versions of SSLeay and OpenSSL. \fBERR_get_error_line_data()\fR and \fBERR_peek_error_line_data()\fR were added in SSLeay 0.9.0. \&\fBERR_peek_last_error()\fR, \fBERR_peek_last_error_line()\fR and \&\fBERR_peek_last_error_line_data()\fR were added in OpenSSL 0.9.7. .SH NOTES .\" Oracle has added source availability information to this manual page Source code for open source software components in Oracle Solaris can be found at https://www.oracle.com/downloads/opensource/solaris-source-code-downloads.html. This software was built from source available at https://github.com/oracle/solaris-userland. The original community source was downloaded from https://www.openssl.org/source/openssl-1.0.2zi.tar.gz. Further information about this software can be found on the open source community website at https://www.openssl.org/.