85 lines
2.8 KiB
C++
85 lines
2.8 KiB
C++
/*
|
|
Copyright 2010 Sun Microsystems, Inc.
|
|
Use is subject to license terms.
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License, version 2.0,
|
|
as published by the Free Software Foundation.
|
|
|
|
This program is also distributed with certain software (including
|
|
but not limited to OpenSSL) that is licensed under separate terms,
|
|
as designated in a particular file or component or in included license
|
|
documentation. The authors of MySQL hereby grant you an additional
|
|
permission to link the program and your derivative works with the
|
|
separately licensed software that they have included with MySQL.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License, version 2.0, for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
/*
|
|
* decimal_utils.hpp
|
|
*/
|
|
|
|
#ifndef decimal_utils_hpp
|
|
#define decimal_utils_hpp
|
|
|
|
/* return values (redeclared here if to be mapped to Java) */
|
|
#define E_DEC_OK 0
|
|
#define E_DEC_TRUNCATED 1
|
|
#define E_DEC_OVERFLOW 2
|
|
#define E_DEC_BAD_NUM 8
|
|
#define E_DEC_OOM 16
|
|
/* return values below here are unique to ndbjtie --
|
|
not present in MySQL's decimal library */
|
|
#define E_DEC_BAD_PREC 32
|
|
#define E_DEC_BAD_SCALE 64
|
|
|
|
/*
|
|
decimal_str2bin: Convert string directly to on-disk binary format.
|
|
str - string to convert
|
|
str_len - length of string
|
|
prec - precision of column
|
|
scale - scale of column
|
|
bin - buffer for binary representation
|
|
bin_len - length of buffer
|
|
|
|
NOTES
|
|
Added so that NDB API programs can convert directly between the stored
|
|
binary format and a string representation without using decimal_t.
|
|
|
|
RETURN VALUE
|
|
E_DEC_OK/E_DEC_TRUNCATED/E_DEC_OVERFLOW/E_DEC_OOM
|
|
*/
|
|
int decimal_str2bin(const char *str, int str_len,
|
|
int prec, int scale,
|
|
void *bin, int bin_len);
|
|
|
|
/*
|
|
decimal_bin2str(): Convert directly from on-disk binary format to string
|
|
bin - value to convert
|
|
bin_len - length to convert
|
|
prec - precision of column
|
|
scale - scale of column
|
|
str - buffer for string representation
|
|
str_len - length of buffer
|
|
|
|
NOTES
|
|
Added so that NDB API programs can convert directly between the stored
|
|
binary format and a string representation without using decimal_t.
|
|
|
|
|
|
RETURN VALUE
|
|
E_DEC_OK/E_DEC_TRUNCATED/E_DEC_OVERFLOW/E_DEC_BAD_NUM/E_DEC_OOM
|
|
*/
|
|
int decimal_bin2str(const void *bin, int bin_len,
|
|
int prec, int scale,
|
|
char *str, int str_len);
|
|
|
|
#endif // decimal_utils_hpp
|