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Add fakey 'deflateBound()' function to the in-kernel zlib routines

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It's not the real deflateBound() in newer zlib libraries, partly because
the upcoming usage of it won't have the "stream" available, so we can't
have the same interfaces anyway.
This commit is contained in:
Linus Torvalds 2005-08-06 09:39:57 -07:00
parent 021a52ac70
commit 243393c90f
1 changed files with 5 additions and 0 deletions
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5
include/linux/zlib.h
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@ -506,6 +506,11 @@ extern int zlib_deflateReset (z_streamp strm);
stream state was inconsistent (such as zalloc or state being NULL).
*/
static inline unsigned long deflateBound(unsigned long s)
{
return s + ((s + 7) >> 3) + ((s + 63) >> 6) + 11;
}
extern int zlib_deflateParams (z_streamp strm, int level, int strategy);
/*
Dynamically update the compression level and compression strategy. The