Pure, const and malloc attributes to libavutil.

Patch by Zuxy Meng: zuxy meng gmail com
Original thread:
[FFmpeg-devel] [PATCH] Pure, const and malloc attributes to libavutil
Date: 03/18/2008 6:09 AM

Originally committed as revision 12489 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 9 insertions, 9 deletions

diff --git a/libavutil/integer.h b/libavutil/integer.h
index f539125d14..9e85eb97ab 100644
--- a/libavutil/integer.h
+++ b/libavutil/integer.h
@@ -36,26 +36,26 @@ typedef struct AVInteger{
     uint16_t v[AV_INTEGER_SIZE];
 } AVInteger;
 
-AVInteger av_add_i(AVInteger a, AVInteger b);
-AVInteger av_sub_i(AVInteger a, AVInteger b);
+AVInteger av_add_i(AVInteger a, AVInteger b) av_const;
+AVInteger av_sub_i(AVInteger a, AVInteger b) av_const;
 
 /**
  * returns the rounded down value of the logarithm of base 2 of the given AVInteger.
  * this is simply the index of the most significant bit which is 1. Or 0 of all bits are 0
  */
-int av_log2_i(AVInteger a);
-AVInteger av_mul_i(AVInteger a, AVInteger b);
+int av_log2_i(AVInteger a) av_const;
+AVInteger av_mul_i(AVInteger a, AVInteger b) av_const;
 
 /**
  * returns 0 if a==b, 1 if a>b and -1 if a<b.
  */
-int av_cmp_i(AVInteger a, AVInteger b);
+int av_cmp_i(AVInteger a, AVInteger b) av_const;
 
 /**
  * bitwise shift.
  * @param s the number of bits by which the value should be shifted right, may be negative for shifting left
  */
-AVInteger av_shr_i(AVInteger a, int s);
+AVInteger av_shr_i(AVInteger a, int s) av_const;
 
 /**
  * returns a % b.
@@ -66,18 +66,18 @@ AVInteger av_mod_i(AVInteger *quot, AVInteger a, AVInteger b);
 /**
  * returns a/b.
  */
-AVInteger av_div_i(AVInteger a, AVInteger b);
+AVInteger av_div_i(AVInteger a, AVInteger b) av_const;
 
 /**
  * converts the given int64_t to an AVInteger.
  */
-AVInteger av_int2i(int64_t a);
+AVInteger av_int2i(int64_t a) av_const;
 
 /**
  * converts the given AVInteger to an int64_t.
  * if the AVInteger is too large to fit into an int64_t,
  * then only the least significant 64bit will be used
  */
-int64_t av_i2int(AVInteger a);
+int64_t av_i2int(AVInteger a) av_const;
 
 #endif /* FFMPEG_INTEGER_H */