1 files changed, 80 insertions, 0 deletions
diff --git a/contrib/global/lib/tag.c b/contrib/global/lib/tag.c
new file mode 100644
index 0000000..81d9aae
--- /dev/null
+++ b/contrib/global/lib/tag.c
@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 1996, 1997 Shigio Yamaguchi. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by Shigio Yamaguchi.
+ * 4. Neither the name of the author nor the names of any co-contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	tag.c					20-Oct-97
+ *
+ */
+#include "dbio.h"
+#include "die.h"
+#include "gtagsopen.h"
+#include "tag.h"
+#include "locatestring.h"
+
+static DBIO	*dbio;
+static int	opened;
+
+void
+tagopen(dbpath, db, mode)
+char	*dbpath;
+int	db;
+int	mode;
+{
+	if (opened)
+		die("nested call to tagopen.");
+	opened = 1;
+	dbio = gtagsopen(dbpath, db, mode);
+}
+void
+tagput(entry, record)
+char	*entry;
+char	*record;
+{
+	entab(record);
+	db_put(dbio, entry, record);
+}
+void
+tagdelete(path)
+char	*path;
+{
+	char	*p;
+	int	length = strlen(path);
+
+	for (p = db_first(dbio, NULL, DBIO_SKIPMETA); p; p = db_next(dbio)) {
+		p = locatestring(p, "./", 0);
+		if (!strncmp(p, path, length) && isspace(*(p + length)))
+			db_del(dbio, NULL);
+	}
+}
+void
+tagclose()
+{
+	db_close(dbio);
+	opened = 0;
+}