Import sources from 2011-03-30 iso image

1 files changed, 38 insertions, 0 deletions

diff --git a/sys/src/cmd/vac/dat.h b/sys/src/cmd/vac/dat.h
new file mode 100755
index 000000000..000a762a8
--- /dev/null
+++ b/sys/src/cmd/vac/dat.h
@@ -0,0 +1,38 @@
+typedef struct MetaBlock MetaBlock;
+typedef struct MetaEntry MetaEntry;
+
+#define MaxBlock (1UL<<31)
+
+enum {
+	BytesPerEntry = 100,	/* estimate of bytes per dir entries - determines number of index entries in the block */
+	FullPercentage = 80,	/* don't allocate in block if more than this percentage full */
+	FlushSize = 200,	/* number of blocks to flush */
+	DirtyPercentage = 50	/* maximum percentage of dirty blocks */
+};
+
+
+struct MetaEntry
+{
+	uchar *p;
+	ushort size;
+};
+
+struct MetaBlock
+{
+	int maxsize;		/* size of block */
+	int size;		/* size used */
+	int free;		/* free space within used size */
+	int maxindex;		/* entries allocated for table */
+	int nindex;		/* amount of table used */
+	int unbotch;
+	uchar *buf;
+};
+
+struct VacDirEnum
+{
+	VacFile *file;
+	u32int boff;
+	int i, n;
+	VacDir *buf;
+};
+