initial commit

atari800/src/crc32.h

@@ -0,0 +1,16 @@
+#ifndef CRC32_H_
+#define CRC32_H_
+
+#include <stdio.h>
+
+#include "atari.h"
+
+/* Compute CRC32 of LEN bytes from BUF. CRC should be set initially to
+   0xffffffff. */
+ULONG CRC32_Update(ULONG crc, UBYTE const *buf, unsigned int len);
+
+/* Compute CRC32 of a stream F and store it at *RESULT. Return non-zero on
+   success or 0 on read error. */
+int CRC32_FromFile(FILE *f, ULONG *result);
+
+#endif /* CRC32_H_ */