1 files changed, 53 insertions, 0 deletions
diff --git a/klaptopdaemon/checkcrc.h b/klaptopdaemon/checkcrc.h
new file mode 100644
index 0000000..149f28b
--- /dev/null
+++ b/klaptopdaemon/checkcrc.h
@@ -0,0 +1,53 @@
+/*
+ * checkcrc.h
+ *
+ * Copyright (c) 2003 Paul Campbell <paul@taniwha.com>
+ * Requires the Qt widget libraries, available at no cost at
+ * http://www.troll.no/
+ *
+ *  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 of the License, 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+#ifndef _CHECKCRC_H_
+#define _CHECKCRC_H_
+
+
+
+#include <zlib.h>
+#include <stdio.h>
+
+static void
+checkcrc(const char *name, unsigned long &len_res, unsigned long &crc_res)
+{
+	unsigned long crc = ::crc32(0L, Z_NULL, 0);
+	unsigned long len = 0;
+
+	FILE *f = ::fopen(name, "r");
+	if (f) {
+		unsigned char buffer[1024];
+		for (;;) {
+			int l = ::fread(buffer, 1, sizeof(buffer), f);
+			if (l <= 0)
+				break;
+			len += l;
+		        crc = ::crc32(crc, buffer, l);
+		}
+		::fclose(f);
+	}
+	crc_res = crc;
+	len_res = len;
+}
+
+#endif