Import sources from 2011-03-30 iso image

1 files changed, 27 insertions, 0 deletions

diff --git a/sys/src/libndb/ndbhf.h b/sys/src/libndb/ndbhf.h
new file mode 100755
index 000000000..4505d13bd
--- /dev/null
+++ b/sys/src/libndb/ndbhf.h
@@ -0,0 +1,27 @@
+/* a hash file */
+struct Ndbhf
+{
+	Ndbhf	*next;
+
+	int	fd;
+	ulong	dbmtime;	/* mtime of data base */
+	int	hlen;		/* length (in entries) of hash table */
+	char	attr[Ndbalen];	/* attribute hashed */
+
+	uchar	buf[256];	/* hash file buffer */
+	long	off;		/* offset of first byte of buffer */
+	int	len;		/* length of valid data in buffer */
+};
+
+char*		_ndbparsetuple(char*, Ndbtuple**);
+Ndbtuple*	_ndbparseline(char*);
+
+#define ISWHITE(x) ((x) == ' ' || (x) == '\t' || (x) == '\r')
+#define EATWHITE(x) while(ISWHITE(*(x)))(x)++
+
+extern Ndbtuple *_ndbtfree;
+
+/* caches */
+void	_ndbcacheflush(Ndb *db);
+int	_ndbcachesearch(Ndb *db, Ndbs *s, char *attr, char *val, Ndbtuple **t);
+Ndbtuple* _ndbcacheadd(Ndb *db, Ndbs *s, char *attr, char *val, Ndbtuple *t);