Manual Pages for UNIX Operating System command usage for man ERR_reason_error_string

OpenSSL                                ERR_error_string(3openssl)



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     ERR_error_string, ERR_error_string_n, ERR_lib_error_string,
     ERR_func_error_string, ERR_reason_error_string - obtain
     human-readable error message

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      #include 

      char *ERR_error_string(unsigned long e, char *buf);
      void ERR_error_string_n(unsigned long e, char *buf, size_t len);

      const char *ERR_lib_error_string(unsigned long e);
      const char *ERR_func_error_string(unsigned long e);
      const char *ERR_reason_error_string(unsigned long e);


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     ERR_error_string() generates a human-readable string
     representing the error code e, and places it at buf. buf
     must be at least 120 bytes long. If buf is NNNNUUUULLLLLLLL, the error
     string is placed in a static buffer.  ERR_error_string_n()
     is a variant of ERR_error_string() that writes at most len
     characters (including the terminating 0) and truncates the
     string if necessary.  For ERR_error_string_n(), buf may not
     be NNNNUUUULLLLLLLL.

     The string will have the following format:

      error:[error code]:[library name]:[function name]:[reason string]

     error code is an 8 digit hexadecimal number, library name,
     function name and reason string are ASCII text.

     ERR_lib_error_string(), ERR_func_error_string() and
     ERR_reason_error_string() return the library name, function
     name and reason string respectively.

     The OpenSSL error strings should be loaded by calling
     ERR_load_crypto_strings(3) or, for SSL applications,
     SSL_load_error_strings(3) first.  If there is no text string
     registered for the given error code, the error string will
     contain the numeric code.

     ERR_print_errors(3) can be used to print all error codes
     currently in the queue.

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     ERR_error_string() returns a pointer to a static buffer
     containing the string if buf ======== NNNNUUUULLLLLLLL, buf otherwise.

     ERR_lib_error_string(), ERR_func_error_string() and
     ERR_reason_error_string() return the strings, and NNNNUUUULLLLLLLL if



14/Nov/2004            Last change: 0.9.8o                      1






OpenSSL                                ERR_error_string(3openssl)



     none is registered for the error code.

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     err(3), ERR_get_error(3), ERR_load_crypto_strings(3),
     SSL_load_error_strings(3) ERR_print_errors(3)

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     ERR_error_string() is available in all versions of SSLeay
     and OpenSSL.  ERR_error_string_n() was added in OpenSSL
     0.9.6.













































14/Nov/2004            Last change: 0.9.8o                      2