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mulalloc.c
Package: mysql-3.23.35.tar.gz [view]
Upload User: tsgydb
Upload Date: 2007-04-14
Package Size: 10674k
Code Size: 2k
Category:
MySQL
Development Platform:
Visual C++
- /* 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 */
- /* Malloc many pointers at the same time */
- /* format myFlags,ptr,length,ptr,length ... until null ptr */
- #include "mysys_priv.h"
- #include <stdarg.h>
- gptr my_multi_malloc(myf myFlags, ...)
- {
- va_list args;
- char **ptr,*start,*res;
- uint tot_length,length;
- DBUG_ENTER("my_multi_malloc");
- va_start(args,myFlags);
- tot_length=0;
- while ((ptr=va_arg(args, char **)))
- {
- length=va_arg(args,uint);
- tot_length+=ALIGN_SIZE(length);
- }
- va_end(args);
- if (!(start=(char *) my_malloc(tot_length,myFlags)))
- DBUG_RETURN(0); /* purecov: inspected */
- va_start(args,myFlags);
- res=start;
- while ((ptr=va_arg(args, char **)))
- {
- *ptr=res;
- length=va_arg(args,uint);
- res+=ALIGN_SIZE(length);
- }
- va_end(args);
- DBUG_RETURN((gptr) start);
- }