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authorZuxy Meng <zuxy.meng@gmail.com>2008-03-19 06:17:43 +0000
committerZuxy Meng <zuxy.meng@gmail.com>2008-03-19 06:17:43 +0000
commit85074d3c9388123d792995c8f98c9b5d807566b4 (patch)
tree54440eea962c4864599dd5403fc0244becb24875 /libavutil/rational.h
parentd1928ac1296a09c658ba64fe5c503979e280a2e0 (diff)
Reapply r12489: Add pure, const and malloc attributes to proper functions
in libavutil. Fix a compilation failure in r12489. Originally committed as revision 12498 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavutil/rational.h')
-rw-r--r--libavutil/rational.h11
1 files changed, 6 insertions, 5 deletions
diff --git a/libavutil/rational.h b/libavutil/rational.h
index f53f278619..2f0017c868 100644
--- a/libavutil/rational.h
+++ b/libavutil/rational.h
@@ -29,6 +29,7 @@
#define FFMPEG_RATIONAL_H
#include <stdint.h>
+#include "common.h"
/**
* Rational number num/den.
@@ -78,7 +79,7 @@ int av_reduce(int *dst_nom, int *dst_den, int64_t nom, int64_t den, int64_t max)
* @param c second rational.
* @return b*c.
*/
-AVRational av_mul_q(AVRational b, AVRational c);
+AVRational av_mul_q(AVRational b, AVRational c) av_const;
/**
* Divides one rational by another.
@@ -86,7 +87,7 @@ AVRational av_mul_q(AVRational b, AVRational c);
* @param c second rational.
* @return b/c.
*/
-AVRational av_div_q(AVRational b, AVRational c);
+AVRational av_div_q(AVRational b, AVRational c) av_const;
/**
* Adds two rationals.
@@ -94,7 +95,7 @@ AVRational av_div_q(AVRational b, AVRational c);
* @param c second rational.
* @return b+c.
*/
-AVRational av_add_q(AVRational b, AVRational c);
+AVRational av_add_q(AVRational b, AVRational c) av_const;
/**
* Subtracts one rational from another.
@@ -102,7 +103,7 @@ AVRational av_add_q(AVRational b, AVRational c);
* @param c second rational.
* @return b-c.
*/
-AVRational av_sub_q(AVRational b, AVRational c);
+AVRational av_sub_q(AVRational b, AVRational c) av_const;
/**
* Converts a double precision floating point number to a rational.
@@ -110,6 +111,6 @@ AVRational av_sub_q(AVRational b, AVRational c);
* @param max the maximum allowed numerator and denominator
* @return (AVRational) d.
*/
-AVRational av_d2q(double d, int max);
+AVRational av_d2q(double d, int max) av_const;
#endif /* FFMPEG_RATIONAL_H */