MirBSD manpage: ERR_error_string(3), ERR_error_string_n(3), ERR_func_error_string(3), ERR_lib_error_string(3), ERR_reason_error_string(3)

ERR_ERROR_STRING(3)          OpenSSL          ERR_ERROR_STRING(3)


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


      #include <openssl/err.h>

      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);


     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 NULL, 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 NULL.

     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.


     ERR_error_string() returns a pointer to a static buffer con-
     taining the string if buf == NULL, buf otherwise.

     ERR_lib_error_string(), ERR_func_error_string() and
     ERR_reason_error_string() return the strings, and NULL if
     none is registered for the error code.

MirBSD #10-current         2005-04-29                           1

ERR_ERROR_STRING(3)          OpenSSL          ERR_ERROR_STRING(3)


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


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

MirBSD #10-current         2005-04-29                           2

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