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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
 

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);

DESCRIPTION

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 ERR_GET_LIB(3) for obtaining information about location and reason of the error, and 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 *file and *line, unless these are 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 *data and *flags, unless these are NULL. *data contains a string if *flags&ERR_TXT_STRING. If it has been allocated by OPENSSL_malloc(), *flags&ERR_TXT_MALLOCED is true.  

RETURN VALUES

SEE ALSO

HISTORY

Index

NAME

SYNOPSIS

DESCRIPTION

RETURN VALUES

SEE ALSO

HISTORY

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