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    Subject[PATCH] 2.4.21 zlib merge #4 windowBits
    Disallow windowBits <9 (windowBits=9 would hit a bug) for deflate and
    do the same for ppp.

    Jörn

    --
    Anything that can go wrong, will.
    -- Finagle's Law

    --- linux-2.4.20/lib/zlib_deflate/deflate.c~zlib_merge_magic 2003-06-10 12:37:17.000000000 +0200
    +++ linux-2.4.20/lib/zlib_deflate/deflate.c 2003-06-10 17:01:02.000000000 +0200
    @@ -215,7 +215,7 @@
    windowBits = -windowBits;
    }
    if (memLevel < 1 || memLevel > MAX_MEM_LEVEL || method != Z_DEFLATED ||
    - windowBits < 8 || windowBits > 15 || level < 0 || level > 9 ||
    + windowBits < 9 || windowBits > 15 || level < 0 || level > 9 ||
    strategy < 0 || strategy > Z_HUFFMAN_ONLY) {
    return Z_STREAM_ERROR;
    }
    --- linux-2.4.20/include/linux/ppp-comp.h~zlib_merge_magic 1999-08-06 19:44:11.000000000 +0200
    +++ linux-2.4.20/include/linux/ppp-comp.h 2003-06-10 17:01:02.000000000 +0200
    @@ -177,7 +177,7 @@
    #define CI_DEFLATE_DRAFT 24 /* value used in original draft RFC */
    #define CILEN_DEFLATE 4 /* length of its config option */

    -#define DEFLATE_MIN_SIZE 8
    +#define DEFLATE_MIN_SIZE 9
    #define DEFLATE_MAX_SIZE 15
    #define DEFLATE_METHOD_VAL 8
    #define DEFLATE_SIZE(x) (((x) >> 4) + DEFLATE_MIN_SIZE)
    -
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