my_port.c
上传用户:romrleung
上传日期:2022-05-23
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文件大小:1k
- /* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public
- License as published by the Free Software Foundation; either
- version 2 of the License, or (at your option) any later version.
-
- This library 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with this library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- MA 02111-1307, USA */
- /*
- Small functions to make code portable
- */
- #include "mysys_priv.h"
- #ifdef _AIX
- /*
- On AIX, at least with gcc 3.1, the expression
- '(double) (ulonglong) var' doesn't always work for big unsigned
- integers like '18446744073709551615'. The end result is that the
- high bit is simply dropped. (probably bug in gcc optimizations)
- Handling the conversion in a sub function seems to work.
- */
- double my_ulonglong2double(unsigned long long nr)
- {
- return (double) nr;
- }
- #endif /* _AIX */