Changeset: ceb9f565b30f for MonetDB
URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=ceb9f565b30f
Modified Files:
MonetDB/src/gdk/gdk_heap.mx
Branch: Oct2010
Log Message:
Improved comments.
diffs (21 lines):
diff -r 89ac02f129f2 -r ceb9f565b30f MonetDB/src/gdk/gdk_heap.mx
--- a/MonetDB/src/gdk/gdk_heap.mx Tue Oct 12 19:20:08 2010 +0200
+++ b/MonetDB/src/gdk/gdk_heap.mx Wed Oct 13 09:58:12 2010 +0200
@@ -299,12 +299,14 @@
}
assert(c->width < width);
assert(c->shift < shift);
- /* we need to convert the whole heap, since we may be in the
- middle of an insert loop that adjusts the free value at the
- end */
+ /* if copyall is set, we need to convert the whole heap, since
+ we may be in the middle of an insert loop that adjusts the
+ free value at the end; otherwise only copy the area
+ indicated by the "free" pointer */
n = (copyall ? c->heap.size : c->heap.free) >> c->shift;
if (HEAPextend(&c->heap, (c->heap.size >> c->shift) << shift) < 0)
return GDK_FAIL;
+ /* note, cast binds more closely than addition */
pc = (unsigned char *) c->heap.base + n;
ps = (unsigned short *) c->heap.base + n;
pi = (unsigned int *) c->heap.base + n;
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