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Fix issue #102 - Error loading file (.ase file).

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Z_BUF_ERROR (-5) can be returned by inflate() and deflate() in some cases.
This commit is contained in:
David Capello 2012-05-12 23:35:20 -03:00
parent 26f637b839
commit 370cf07414
1 changed files with 4 additions and 3 deletions
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7
src/file/ase_format.cpp
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@ -907,7 +907,7 @@ static void read_compressed_image(FILE* f, Image* image, size_t chunk_end, FileO
zstream.avail_out = scanline.size();
err = inflate(&zstream, Z_NO_FLUSH);
if (err != Z_OK && err != Z_STREAM_END)
if (err != Z_OK && err != Z_STREAM_END && err != Z_BUF_ERROR)
throw base::Exception("ZLib error %d in inflate().", err);
size_t input_bytes = scanline.size() - zstream.avail_out;
@ -960,14 +960,15 @@ static void write_compressed_image(FILE* f, Image* image)
zstream.next_in = (Bytef*)&scanline[0];
zstream.avail_in = scanline.size();
int flush = (y == image->h-1 ? Z_FINISH: Z_NO_FLUSH);
do {
zstream.next_out = (Bytef*)&compressed[0];
zstream.avail_out = compressed.size();
// Compress
err = deflate(&zstream, (y < image->h-1 ? Z_NO_FLUSH: Z_FINISH));
if (err != Z_OK && err != Z_STREAM_END)
err = deflate(&zstream, flush);
if (err != Z_OK && err != Z_STREAM_END && err != Z_BUF_ERROR)
throw base::Exception("ZLib error %d in deflate().", err);
int output_bytes = compressed.size() - zstream.avail_out;