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ERR_peek_error (3)
  • >> ERR_peek_error (3) ( Разные man: Библиотечные вызовы )
  •  

    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_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 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

    The error code, or 0 if there is no error in the queue.  

    SEE ALSO

    err(3), ERR_error_string(3), ERR_GET_LIB(3)  

    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.


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    RETURN VALUES
    SEE ALSO
    HISTORY


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