Initial revision

1 files changed, 50 insertions, 0 deletions

diff --git a/token.c b/token.c
new file mode 100644
index 0000000..5c92804
--- /dev/null
+++ b/token.c
@@ -0,0 +1,50 @@
+/* token.c -- misc. access functions for mkid database tokens
+   Copyright (C) 1986, 1995 Greg McGary
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2, or (at your option)
+   any later version.
+  
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+  
+   You should have received a copy of the GNU General Public License
+   along with this program; see the file COPYING.  If not, write to the
+   Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "config.h"
+#include "token.h"
+
+unsigned int
+tok_flags (char const *buf)
+{
+  return *(unsigned char const *)&buf[strlen (buf) + 1];
+}
+
+#define TOK_COUNT_ADDR(buf) ((unsigned char const *)(TOK_FLAGS_ADDR (buf) + 1))
+#define TOK_HITS_ADDR(buf) ((unsigned char const *)(TOK_COUNT_ADDR (buf) + 2))
+
+unsigned short
+tok_count (char const *buf)
+{
+  unsigned char const *flags = (unsigned char const *)&buf[strlen (buf) + 1];
+  unsigned char const *addr = flags + 1;
+  unsigned short count = *addr;
+  if (*flags & TOK_SHORT_COUNT)
+    count += (*++addr << 8);
+  return count;
+}
+
+unsigned char const *
+tok_hits_addr (char const *buf)
+{
+  unsigned char const *flags = (unsigned char const *)&buf[strlen (buf) + 1];
+  unsigned char const *addr = flags + 2;
+  if (*flags & TOK_SHORT_COUNT)
+    addr++;
+  return addr;
+}