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be7e51a083
Addresses: https://github.com/NixOS/nixpkgs/issues/73624 https://github.com/NixOS/nixpkgs/issues/70086
40 lines
1.2 KiB
Diff
40 lines
1.2 KiB
Diff
commit b1f4e1b2187d9e5010cd01ceccf20b4a11ce723f
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Author: Leon Bottou <leon@bottou.org>
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Date: Tue Mar 26 20:45:46 2019 -0400
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fix for bug #297
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diff --git a/libdjvu/DjVmDir.cpp b/libdjvu/DjVmDir.cpp
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index 0a0fac6..5a49015 100644
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--- a/libdjvu/DjVmDir.cpp
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+++ b/libdjvu/DjVmDir.cpp
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@@ -309,7 +309,7 @@ DjVmDir::decode(const GP<ByteStream> &gstr)
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{
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GP<File> file=files_list[pos];
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if (ptr >= (const char*)strings + strings_size)
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- G_THROW( "DjVu document is corrupted (DjVmDir)" );
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+ G_THROW( ByteStream::EndOfFile );
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file->id=ptr;
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ptr+=file->id.length()+1;
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if (file->flags & File::HAS_NAME)
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diff --git a/libdjvu/GBitmap.cpp b/libdjvu/GBitmap.cpp
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index 0e487f0..c2fdbe4 100644
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--- a/libdjvu/GBitmap.cpp
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+++ b/libdjvu/GBitmap.cpp
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@@ -890,11 +890,13 @@ GBitmap::read_rle_raw(ByteStream &bs)
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int c = 0;
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while (n >= 0)
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{
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- bs.read(&h, 1);
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+ if (bs.read(&h, 1) <= 0)
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+ G_THROW( ByteStream::EndOfFile );
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int x = h;
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if (x >= (int)RUNOVERFLOWVALUE)
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{
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- bs.read(&h, 1);
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+ if (bs.read(&h, 1) <= 0)
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+ G_THROW( ByteStream::EndOfFile );
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x = h + ((x - (int)RUNOVERFLOWVALUE) << 8);
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}
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if (c+x > ncolumns)
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