X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavutil%2Fcrc.h;h=fa3405927879bf9044f73610d2d0ee01ff3d5e09;hb=87d718aefc4f8f3d890c2a18f64706908f4ab107;hp=d6b93c38d28e3ba3418b49c00f869c9c616f5e92;hpb=2119bb8f51d5cbf946d8e87974a2d95016133942;p=ffmpeg

diff --git a/libavutil/crc.h b/libavutil/crc.h
index d6b93c38d28..fa340592787 100644
--- a/libavutil/crc.h
+++ b/libavutil/crc.h
@@ -18,11 +18,12 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#ifndef FFMPEG_CRC_H
-#define FFMPEG_CRC_H
+#ifndef AVUTIL_CRC_H
+#define AVUTIL_CRC_H
 
 #include <stdint.h>
 #include <stddef.h>
+#include "common.h"
 
 typedef uint32_t AVCRC;
 
@@ -32,12 +33,12 @@ typedef enum {
     AV_CRC_16_CCITT,
     AV_CRC_32_IEEE,
     AV_CRC_32_IEEE_LE,  /*< reversed bitorder version of AV_CRC_32_IEEE */
-    AV_CRC_MAX,         /*< not part of public API! don't use outside lavu */
+    AV_CRC_MAX,         /*< Not part of public API! Do not use outside libavutil. */
 }AVCRCId;
 
 int av_crc_init(AVCRC *ctx, int le, int bits, uint32_t poly, int ctx_size);
 const AVCRC *av_crc_get_table(AVCRCId crc_id);
-uint32_t av_crc(const AVCRC *ctx, uint32_t start_crc, const uint8_t *buffer, size_t length);
+uint32_t av_crc(const AVCRC *ctx, uint32_t start_crc, const uint8_t *buffer, size_t length) av_pure;
 
-#endif /* FFMPEG_CRC_H */
+#endif /* AVUTIL_CRC_H */