mulalloc.c
上传用户:jmzj888
上传日期:2007-01-02
资源大小:220k
文件大小:1k
- /* Copyright Abandoned 1996 TCX DataKonsult AB & Monty Program KB & Detron HB
- This file is public domain and comes with NO WARRANTY of any kind */
- /* 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);
- }