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f0629da70d
PORTREVISION of related ports. Requested by: *many* No reply from: security-officer Obtained from: Debian/pwlib cvs
58 lines
1.2 KiB
C++
58 lines
1.2 KiB
C++
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$FreeBSD$
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--- src/ptclib/asner.cxx 2004/06/03 14:44:43 1.1
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+++ src/ptclib/asner.cxx 2004/06/03 14:50:35
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@@ -4926,6 +4926,11 @@
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return -1;
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value += lower;
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+
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+ // clamp value to upper limit
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+ if (value > upper)
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+ value = upper;
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+
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return 0;
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}
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@@ -4970,7 +4975,13 @@
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unsigned base;
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if (!MultiBitDecode(CountBits(upper - lower + 1), base))
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return -1;
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- return lower + base; // 10.9.4.1
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+ len = lower + base; // 10.9.4.1
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+
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+ // clamp value to upper limit
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+ if (len > upper)
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+ len = upper;
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+
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+ return len;
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}
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if (upper < 65536) // 10.9.3.3
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@@ -4981,13 +4992,20 @@
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if (IsAtEnd())
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return -1;
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- if (SingleBitDecode() == 0)
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- return MultiBitDecode(7, len) ? 0 : -1; // 10.9.3.6
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+ if (SingleBitDecode() == 0) {
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+ if (!MultiBitDecode(7, len)) // 10.9.3.6
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+ return -1; // 10.9.3.8 unsupported
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+ }
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+ else if (SingleBitDecode() == 0) {
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+ if (!MultiBitDecode(14, len)) // 10.9.3.7
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+ return -1; // 10.9.3.8 unsupported
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+ }
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- if (SingleBitDecode() == 0)
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- return MultiBitDecode(14, len) ? 0 : -1; // 10.9.3.7
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+ // clamp value to upper limit
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+ if (len > upper)
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+ len = upper;
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- return -1; // 10.9.3.8 unsupported
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+ return 0;
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}
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