more typemaps unification and fixes for valgrind

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@7684 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Lib/typemaps/cmalloc.swg

@@ -0,0 +1,114 @@
+/* -----------------------------------------------------------------------------
+ * cmalloc.i
+ *
+ * Author(s):  David Beazley (beazley@cs.uchicago.edu)
+ *
+ * This library file contains macros that can be used to create objects using
+ * the C malloc function.
+ *
+ * $Header$
+ * ----------------------------------------------------------------------------- */
+
+%{
+#include <stdlib.h>
+%}
+
+/* %malloc(TYPE [, NAME = TYPE])
+   %calloc(TYPE [, NAME = TYPE])
+   %realloc(TYPE [, NAME = TYPE])
+   %free(TYPE [, NAME = TYPE])
+   %allocators(TYPE [,NAME = TYPE])
+
+   Creates functions for allocating/reallocating memory.
+
+   TYPE *malloc_NAME(size_t nbytes = sizeof(TYPE);
+   TYPE *calloc_NAME(size_t nobj=1, size_t size=sizeof(TYPE));
+   TYPE *realloc_NAME(TYPE *ptr, size_t nbytes);
+   void free_NAME(TYPE *ptr);
+
+*/
+
+%define %malloc(TYPE,NAME...)
+#if #NAME != ""
+%rename(malloc_##NAME) ::malloc(size_t nbytes);
+#else
+%rename(malloc_##TYPE) ::malloc(size_t nbytes);
+#endif
+
+#if #TYPE != "void"
+%typemap(default) size_t nbytes "$1 = (size_t) sizeof(TYPE);"
+#endif
+TYPE *malloc(size_t nbytes);
+%typemap(default) size_t nbytes;
+%enddef
+
+%define %calloc(TYPE,NAME...)
+#if #NAME != ""
+%rename(calloc_##NAME) ::calloc(size_t nobj, size_t sz);
+#else
+%rename(calloc_##TYPE) ::calloc(size_t nobj, size_t sz);
+#endif
+#if #TYPE != "void"
+%typemap(default) size_t sz "$1 = (size_t) sizeof(TYPE);"
+#else
+%typemap(default) size_t sz "$1 = 1;"
+#endif
+%typemap(default) size_t nobj "$1 = 1;"
+TYPE *calloc(size_t nobj, size_t sz);
+%typemap(default) size_t sz;
+%typemap(default) size_t nobj;
+%enddef
+
+%define %realloc(TYPE,NAME...)
+%insert("header") {
+#if #NAME != ""
+TYPE *realloc_##NAME(TYPE *ptr, size_t nitems)
+#else
+TYPE *realloc_##TYPE(TYPE *ptr, size_t nitems)
+#endif
+{
+#if #TYPE != "void"
+return (TYPE *) realloc(ptr, nitems*sizeof(TYPE));
+#else
+return (TYPE *) realloc(ptr, nitems);
+#endif
+}
+}
+#if #NAME != ""
+TYPE *realloc_##NAME(TYPE *ptr, size_t nitems);
+#else
+TYPE *realloc_##TYPE(TYPE *ptr, size_t nitems);
+#endif
+%enddef
+
+%define %free(TYPE,NAME...)
+#if #NAME != ""
+%rename(free_##NAME) ::free(TYPE *ptr);
+#else
+%rename(free_##TYPE) ::free(TYPE *ptr);
+#endif
+void free(TYPE *ptr);
+%enddef
+
+%define %sizeof(TYPE,NAME...)
+#if #NAME != ""
+%constant size_t sizeof_##NAME = sizeof(TYPE);
+#else
+%constant size_t sizeof_##TYPE = sizeof(TYPE);
+#endif
+%enddef
+
+%define %allocators(TYPE,NAME...)
+%malloc(TYPE,NAME)
+%calloc(TYPE,NAME)
+%realloc(TYPE,NAME)
+%free(TYPE,NAME)
+#if #TYPE != "void"
+%sizeof(TYPE,NAME)
+#endif
+%enddef
+
+
+
+
+