summaryrefslogtreecommitdiff
path: root/Build/source/texk/web2c/luatexdir/lua51/lmem.h
diff options
context:
space:
mode:
authorPeter Breitenlohner <peb@mppmu.mpg.de>2009-03-20 07:47:30 +0000
committerPeter Breitenlohner <peb@mppmu.mpg.de>2009-03-20 07:47:30 +0000
commitc813488f91d3e5e4ed45ec061a9aca493d389083 (patch)
treeec07a8d28bb40e6c4238d431c2c0a2d9b31b3be7 /Build/source/texk/web2c/luatexdir/lua51/lmem.h
parent9c241c5d2d9413361d32567876c35b2b9e2754c9 (diff)
new build system
git-svn-id: svn://tug.org/texlive/trunk@12447 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk/web2c/luatexdir/lua51/lmem.h')
-rw-r--r--Build/source/texk/web2c/luatexdir/lua51/lmem.h49
1 files changed, 49 insertions, 0 deletions
diff --git a/Build/source/texk/web2c/luatexdir/lua51/lmem.h b/Build/source/texk/web2c/luatexdir/lua51/lmem.h
new file mode 100644
index 00000000000..19df1fbb6c9
--- /dev/null
+++ b/Build/source/texk/web2c/luatexdir/lua51/lmem.h
@@ -0,0 +1,49 @@
+/*
+** $Id: lmem.h,v 1.31 2005/04/25 19:24:10 roberto Exp $
+** Interface to Memory Manager
+** See Copyright Notice in lua.h
+*/
+
+#ifndef lmem_h
+#define lmem_h
+
+
+#include <stddef.h>
+
+#include "llimits.h"
+#include "lua.h"
+
+#define MEMERRMSG "not enough memory"
+
+
+#define luaM_reallocv(L,b,on,n,e) \
+ ((cast(size_t, (n)+1) <= MAX_SIZET/(e)) ? /* +1 to avoid warnings */ \
+ luaM_realloc_(L, (b), (on)*(e), (n)*(e)) : \
+ luaM_toobig(L))
+
+#define luaM_freemem(L, b, s) luaM_realloc_(L, (b), (s), 0)
+#define luaM_free(L, b) luaM_realloc_(L, (b), sizeof(*(b)), 0)
+#define luaM_freearray(L, b, n, t) luaM_reallocv(L, (b), n, 0, sizeof(t))
+
+#define luaM_malloc(L,t) luaM_realloc_(L, NULL, 0, (t))
+#define luaM_new(L,t) cast(t *, luaM_malloc(L, sizeof(t)))
+#define luaM_newvector(L,n,t) \
+ cast(t *, luaM_reallocv(L, NULL, 0, n, sizeof(t)))
+
+#define luaM_growvector(L,v,nelems,size,t,limit,e) \
+ if ((nelems)+1 > (size)) \
+ ((v)=cast(t *, luaM_growaux_(L,v,&(size),sizeof(t),limit,e)))
+
+#define luaM_reallocvector(L, v,oldn,n,t) \
+ ((v)=cast(t *, luaM_reallocv(L, v, oldn, n, sizeof(t))))
+
+
+LUAI_FUNC void *luaM_realloc_ (lua_State *L, void *block, size_t oldsize,
+ size_t size);
+LUAI_FUNC void *luaM_toobig (lua_State *L);
+LUAI_FUNC void *luaM_growaux_ (lua_State *L, void *block, int *size,
+ size_t size_elem, int limit,
+ const char *errormsg);
+
+#endif
+