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| author | Sebastian Rasmussen <sebras@hotmail.com> | 2008-08-18 23:47:00 +0200 |
|---|---|---|
| committer | Sebastian Rasmussen <sebras@hotmail.com> | 2008-08-18 23:47:00 +0200 |
| commit | 82b9202e64bbc919b0e3d54ad470c48d8fdb89fc (patch) | |
| tree | 5c4ecd6a6ee0260e156dd8b1777f796a61ac64bd /stream/filt_lzwd.c | |
| parent | 4bded2733a5e2d842df99a6ddaf8457d75f1ba8a (diff) | |
| download | mupdf-82b9202e64bbc919b0e3d54ad470c48d8fdb89fc.tar.xz | |
Properly take care of clear code in LZW decoder.
Diffstat (limited to 'stream/filt_lzwd.c')
| -rw-r--r-- | stream/filt_lzwd.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/stream/filt_lzwd.c b/stream/filt_lzwd.c index 127ebde8..8e90a74e 100644 --- a/stream/filt_lzwd.c +++ b/stream/filt_lzwd.c @@ -176,15 +176,18 @@ fz_processlzwd(fz_filter *filter, fz_buffer *in, fz_buffer *out) return fz_iodone; } + eatbits(lzw, oldcodebits + MINBITS); + + lzw->oldcode = lzw->code; + if (out->wp + 1 > out->ep) + { + lzw->resume = 1; return fz_ioneedout; + } *out->wp++ = lzw->code; - lzw->oldcode = lzw->code; - - eatbits(lzw, oldcodebits + MINBITS); - continue; } |