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author | Yehonal <yehonal.azeroth@gmail.com> | 2017-10-12 20:00:52 +0200 |
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committer | Yehonal <yehonal.azeroth@gmail.com> | 2017-10-12 20:00:52 +0200 |
commit | f06f32849f1e2c72dc73287c73361174c07ed29e (patch) | |
tree | 70ace68e849cd5ca446fb36279f8125127bb8693 /deps/mysqllite/mysys/mulalloc.c | |
parent | 4df28fd29c6978e669f9950bd38e853fabf9fc8d (diff) |
Directory Structure [step 1]: moving files
working on #672
NOTE: This commit can't be compiled!!
Diffstat (limited to 'deps/mysqllite/mysys/mulalloc.c')
-rw-r--r-- | deps/mysqllite/mysys/mulalloc.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/deps/mysqllite/mysys/mulalloc.c b/deps/mysqllite/mysys/mulalloc.c new file mode 100644 index 0000000000..f4ca3d9f9a --- /dev/null +++ b/deps/mysqllite/mysys/mulalloc.c @@ -0,0 +1,63 @@ +/* Copyright (C) 2000 MySQL AB + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; version 2 of the License. + + 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 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ + +#include "mysys_priv.h" +#include <stdarg.h> + +/* + Malloc many pointers at the same time + Only ptr1 can be free'd, and doing this will free all + the memory allocated. ptr2, etc all point inside big allocated + memory area. + + SYNOPSIS + my_multi_malloc() + myFlags Flags + ptr1, length1 Multiple arguments terminated by null ptr + ptr2, length2 ... + ... + NULL +*/ + +void* my_multi_malloc(myf myFlags, ...) +{ + va_list args; + char **ptr,*start,*res; + size_t 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((void*) start); +} |