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-rw-r--r--lib/token.c49
1 files changed, 49 insertions, 0 deletions
diff --git a/lib/token.c b/lib/token.c
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+++ b/lib/token.c
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+/* token.c -- misc. access functions for mkid database tokens
+ Copyright (C) 1986, 1995, 1996 Free Software Foundation, Inc.
+
+ 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; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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;
+}