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Use the overloaded upx_adler32() function.

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committer: mfx <mfx> 980851465 +0000
This commit is contained in:
Markus F.X.J. Oberhumer 2001-01-30 10:44:25 +00:00
parent 8f65fc1ab7
commit dc7493e283
1 changed files with 6 additions and 6 deletions
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12
src/filter.cpp
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@ -28,6 +28,7 @@
#include "conf.h"
#include "filter.h"
#include "file.h"
/*************************************************************************
@ -119,13 +120,12 @@ bool Filter::filter(upx_byte *buf_, unsigned buf_len_)
throwInternalError("filter-2");
// save checksum
this->adler = 0;
if (clevel != 1)
{
this->adler = upx_adler32(0,NULL,0);
this->adler = upx_adler32(this->adler, this->buf, this->buf_len);
}
this->adler = upx_adler32(this->buf, this->buf_len);
//printf("filter: %02x %p %d\n", this->id, this->buf, this->buf_len);
//OutputFile::dump("filter.dat", buf, buf_len);
int r = (*fe->do_filter)(this);
//printf("filter: %02x %d\n", fe->id, r);
if (r > 0)
@ -157,12 +157,12 @@ void Filter::unfilter(upx_byte *buf_, unsigned buf_len_, bool verify_checksum)
//printf("unfilter: %02x %d\n", fe->id, r);
if (r != 0)
throwInternalError("unfilter-3");
//OutputFile::dump("unfilter.dat", buf, buf_len);
// verify checksum
if (verify_checksum && clevel != 1)
{
unsigned a = upx_adler32(0,NULL,0);
if (this->adler != upx_adler32(a, this->buf, this->buf_len))
if (this->adler != upx_adler32(this->buf, this->buf_len))
throwInternalError("unfilter-4");
}
}