Revert the merger of LC_ALL declaration and export.

[ffmpeg] / libavutil / des.h

diff --git a/libavutil/des.h b/libavutil/des.h
index d9fe7a42e409fe99cf9c0d9e7d019c259e06454e..88240594ee40d041dea08ef7306a5a9abe77528c 100644 (file)
--- a/libavutil/des.h
+++ b/libavutil/des.h
@@ -19,9 +19,22 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#ifndef FFMPEG_DES_H
-#define FFMPEG_DES_H
+#ifndef AVUTIL_DES_H
+#define AVUTIL_DES_H
 
-uint64_t ff_des_encdec(uint64_t in, uint64_t key, int decrypt);
+#include <stdint.h>
+#include "common.h"
 
-#endif /* FFMPEG_DES_H */
+/**
+ * \brief en- or decrypt an 64-bit block of data with DES
+ * \param in data to process.
+ * \param key key to use for en-/decryption.
+ * \param decrypt if 0 encrypt, else decrypt.
+ * \return processed data
+ *
+ * If your input data is in 8-bit blocks treat it as big-endian
+ * (use e.g. AV_RB64 and AV_WB64).
+ */
+uint64_t ff_des_encdec(uint64_t in, uint64_t key, int decrypt) av_const;
+
+#endif /* AVUTIL_DES_H */