1 files changed, 10 insertions, 4 deletions
diff --git a/gnuradio-core/src/lib/general/gr_crc32.h b/gnuradio-core/src/lib/general/gr_crc32.h
index c5215b833..b0c746acf 100644
--- a/gnuradio-core/src/lib/general/gr_crc32.h
+++ b/gnuradio-core/src/lib/general/gr_crc32.h
@@ -34,10 +34,16 @@
  * complement of the final running CRC.  The resulting CRC should be
  * transmitted in big endian order.
  */
-unsigned int gr_update_crc32(unsigned int crc, const unsigned char *buf, int len);
-unsigned int gr_update_crc32(unsigned int crc, const std::string buf);
+unsigned int 
+gr_update_crc32(unsigned int crc, const unsigned char *buf, size_t len);
 
-unsigned int gr_crc32(const unsigned char *buf, int len);
-unsigned int gr_crc32(const std::string buf);
+unsigned int 
+gr_update_crc32(unsigned int crc, const std::string buf);
+
+unsigned int 
+gr_crc32(const unsigned char *buf, size_t len);
+
+unsigned int 
+gr_crc32(const std::string buf);
 
 #endif /* INCLUDED_CRC32_H */