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Reapply r12489: Add pure, const and malloc attributes to proper functions

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in libavutil.
Fix a compilation failure in r12489.

Originally committed as revision 12498 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Zuxy Meng
2008-03-19 06:17:43 +00:00
parent d1928ac129
commit 85074d3c93
13 changed files with 79 additions and 55 deletions
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18
libavutil/integer.h
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@@ -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 */