import of enigma2

1 files changed, 22 insertions, 0 deletions

diff --git a/lib/dvb/crc32.h b/lib/dvb/crc32.h
new file mode 100644
index 00000000..99254532
--- /dev/null
+++ b/lib/dvb/crc32.h
@@ -0,0 +1,22 @@
+#ifndef CRC32_H
+#define CRC32_H
+
+/* $Id: crc32.h,v 1.1 2003-10-17 15:35:49 tmbinc Exp $ */
+
+typedef unsigned int uint32_t;
+
+extern const uint32_t crc32_table[256];
+
+/* Return a 32-bit CRC of the contents of the buffer. */
+
+static inline uint32_t 
+crc32(uint32_t val, const void *ss, int len)
+{
+	const unsigned char *s =(const unsigned char *) ss;
+        while (--len >= 0)
+//                val = crc32_table[(val ^ *s++) & 0xff] ^ (val >> 8);
+                val = (val << 8) ^ crc32_table[(val >> 24) ^ *s++];
+        return val;
+}
+
+#endif