Corrected RLE decompression processing.

d840f2c1 · Kouji Sasaki · Alexandre Julliard · 92000a91 · d840f2c1
Commit d840f2c1 authored May 18, 2005 by Kouji Sasaki Committed by Alexandre Julliard May 18, 2005
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hlpfile.c programs/winhelp/hlpfile.c +4 -4

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--- a/programs/winhelp/hlpfile.c
+++ b/programs/winhelp/hlpfile.c
@@ -1790,18 +1790,18 @@ static void HLPFILE_UncompressRLE(const BYTE* src, const BYTE* end, BYTE** dst, 
    while (src < end)
    {
        ch = *src++;
-        if (!(ch & 0x7F)) continue;
        if (ch & 0x80)
        {
            ch &= 0x7F;
-            if ((*dst) + ch < sdst)
+            if ((*dst) + ch <= sdst)
                memcpy(*dst, src, ch);
            src += ch;
        }
        else
        {
-            if ((*dst) + ch < sdst)
-                memset(*dst, (char)*src++, ch);
+            if ((*dst) + ch <= sdst)
+                memset(*dst, (char)*src, ch);
+            src++;
        }
        *dst += ch;
    }