symbian-qemu-0.9.1-12/python-2.6.1/Python/asdl.c
changeset 1 2fb8b9db1c86
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/python-2.6.1/Python/asdl.c	Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,64 @@
+#include "Python.h"
+#include "asdl.h"
+
+asdl_seq *
+asdl_seq_new(int size, PyArena *arena)
+{
+	asdl_seq *seq = NULL;
+	size_t n = (size ? (sizeof(void *) * (size - 1)) : 0);
+
+	/* check size is sane */
+	if (size < 0 || size == INT_MIN || 
+		(size && ((size - 1) > (PY_SIZE_MAX / sizeof(void *))))) {
+		PyErr_NoMemory();
+		return NULL;
+	}
+
+	/* check if size can be added safely */
+	if (n > PY_SIZE_MAX - sizeof(asdl_seq)) {
+		PyErr_NoMemory();
+		return NULL;
+	}
+
+	n += sizeof(asdl_seq);
+
+	seq = (asdl_seq *)PyArena_Malloc(arena, n);
+	if (!seq) {
+		PyErr_NoMemory();
+		return NULL;
+	}
+	memset(seq, 0, n);
+	seq->size = size;
+	return seq;
+}
+
+asdl_int_seq *
+asdl_int_seq_new(int size, PyArena *arena)
+{
+	asdl_int_seq *seq = NULL;
+	size_t n = (size ? (sizeof(void *) * (size - 1)) : 0);
+
+	/* check size is sane */
+	if (size < 0 || size == INT_MIN || 
+		(size && ((size - 1) > (PY_SIZE_MAX / sizeof(void *))))) {
+			PyErr_NoMemory();
+			return NULL;
+	}
+
+	/* check if size can be added safely */
+	if (n > PY_SIZE_MAX - sizeof(asdl_seq)) {
+		PyErr_NoMemory();
+		return NULL;
+	}
+
+	n += sizeof(asdl_seq);
+
+	seq = (asdl_int_seq *)PyArena_Malloc(arena, n);
+	if (!seq) {
+		PyErr_NoMemory();
+		return NULL;
+	}
+	memset(seq, 0, n);
+	seq->size = size;
+	return seq;
+}