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authorXanadu <none@none>2010-07-20 02:49:28 +0200
committerXanadu <none@none>2010-07-20 02:49:28 +0200
commit79622802f397258ee0f34327ba3ae6977ca3e7ff (patch)
tree1868946c234ab9ee256a6b7766a15713eae94235 /externals/mysql/mysys/mulalloc.c
parent7dd2dc91816ab8b3bc3b99a1b1c99c7ea314d5a8 (diff)
parentf906976837502fa5aa81b982b901d1509f5aa0c4 (diff)
Merge. Revision history for source files should be all back now.
--HG-- branch : trunk rename : sql/CMakeLists.txt => sql/tools/CMakeLists.txt rename : src/server/game/Pools/PoolHandler.cpp => src/server/game/Pools/PoolMgr.cpp rename : src/server/game/Pools/PoolHandler.h => src/server/game/Pools/PoolMgr.h rename : src/server/game/PrecompiledHeaders/NixCorePCH.cpp => src/server/game/PrecompiledHeaders/gamePCH.cpp rename : src/server/game/PrecompiledHeaders/NixCorePCH.h => src/server/game/PrecompiledHeaders/gamePCH.h
Diffstat (limited to 'externals/mysql/mysys/mulalloc.c')
-rw-r--r--externals/mysql/mysys/mulalloc.c63
1 files changed, 63 insertions, 0 deletions
diff --git a/externals/mysql/mysys/mulalloc.c b/externals/mysql/mysys/mulalloc.c
new file mode 100644
index 00000000000..f4ca3d9f9ab
--- /dev/null
+++ b/externals/mysql/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);
+}