tests/examples: Mark some variables only used within their files as static.

[ffmpeg] / libavutil / crc.h

diff --git a/libavutil/crc.h b/libavutil/crc.h
index 28cb7c02197f93b44a9670b6aaa809430fcb0186..a9341194131134fb194ab4d6879a190c89c8dc08 100644 (file)
--- a/libavutil/crc.h
+++ b/libavutil/crc.h
@@ -1,28 +1,29 @@
 /*
  * copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
  *
- * This file is part of FFmpeg.
+ * This file is part of Libav.
  *
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav 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
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
  * 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 <sys/types.h>
+#include <stddef.h>
+#include "attributes.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 */