void-packages/templates/python-fix-mremap.diff

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$NetBSD: patch-at,v 1.2 2008/08/30 10:02:33 tron Exp $
The first change is part of the fix for CVE-2008-2315 taken from Gentto.
--- Modules/mmapmodule.c.orig 2006-08-22 14:57:07.000000000 +0100
+++ Modules/mmapmodule.c 2008-08-30 10:16:13.000000000 +0100
@@ -223,7 +223,7 @@
return(NULL);
/* silently 'adjust' out-of-range requests */
- if ((self->pos + num_bytes) > self->size) {
+ if (num_bytes > self->size - self->pos) {
num_bytes -= (self->pos+num_bytes) - self->size;
}
result = Py_BuildValue("s#", self->data+self->pos, num_bytes);
@@ -449,6 +449,9 @@
#ifdef MREMAP_MAYMOVE
newmap = mremap(self->data, self->size, new_size, MREMAP_MAYMOVE);
+#elif defined(__NetBSD__)
+ newmap = mremap(self->data, self->size, self->data, new_size, 0);
+
#else
newmap = mremap(self->data, self->size, new_size, 0);
#endif