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committer: mfx <mfx> 977924664 +0000
This commit is contained in:
Markus F.X.J. Oberhumer 2000-12-27 13:44:24 +00:00
parent c3ec6b73e5
commit d2625d8607
1 changed files with 8 additions and 4 deletions
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12
src/packer.cpp
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@ -275,8 +275,8 @@ bool Packer::checkCompressionRatio(unsigned u_len, unsigned c_len) const
bool Packer::checkFinalCompressionRatio(const OutputFile *fo) const
{
unsigned u_len = file_size;
unsigned c_len = fo->getBytesWritten();
const unsigned u_len = file_size;
const unsigned c_len = fo->getBytesWritten();
assert((int)u_len > 0);
assert((int)c_len > 0);
@ -284,7 +284,12 @@ bool Packer::checkFinalCompressionRatio(const OutputFile *fo) const
if (c_len + 4096 <= u_len) // ok if we have 4096 bytes gain
return true;
return checkCompressionRatio(u_len, c_len);
if (c_len + 512 >= u_len) // min. 512 bytes gain
return false;
if (c_len >= u_len - u_len / 8) // min. 12.5% gain
return false;
return true;
}
@ -653,7 +658,6 @@ void Packer::checkAlreadyPacked(void *b, int blen)
// is a real PackHeader, e.g.
//
//PackHeader tmp;
//tmp.magic = UPX_MAGIC_LE32;
//if (!tmp.fillPackHeader((unsigned char *)b + boff, blen - boff))
// return;
//