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* bignum.c (rb_big_neg): may be accessing bogus pointer value.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@8694 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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matz 2005-07-01 08:56:09 +00:00
parent 9e8d096c83
commit 10d3f6a039
3 changed files with 11 additions and 9 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
Fri Jul 1 17:55:08 2005 Yukihiro Matsumoto <matz@ruby-lang.org>
* bignum.c (rb_big_neg): may be accessing bogus pointer value.
Fri Jul 1 15:50:12 2005 NAKAMURA Usaku <usa@ruby-lang.org> Fri Jul 1 15:50:12 2005 NAKAMURA Usaku <usa@ruby-lang.org>
* missing/erf.c: need to include some headers for some platforms. * missing/erf.c: need to include some headers for some platforms.

10
LEGAL
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@ -127,14 +127,12 @@ st.[ch]:
x68/*: x68/*:
missing/alloca.c: missing/alloca.c:
missing/dup2.c: missing/dup2.c:
missing/erf.c:
missing/finite.c: missing/finite.c:
missing/hypot.c: missing/hypot.c:
missing/isinf.c: missing/isinf.c:
missing/isnan.c: missing/isnan.c:
missing/memcmp.c: missing/memcmp.c:
missing/memmove.c: missing/memmove.c:
missing/mkdir.c:
missing/strcasecmp.c: missing/strcasecmp.c:
missing/strchr.c: missing/strchr.c:
missing/streror.c: missing/streror.c:
@ -179,6 +177,8 @@ missing/strtoul.c:
software for any purpose. It is provided "as is" without software for any purpose. It is provided "as is" without
express or implied warranty. express or implied warranty.
missing/erf.c:
missing/crypt.c:
missing/vsnprintf.c: missing/vsnprintf.c:
This file is under the old-style BSD license. Note that the This file is under the old-style BSD license. Note that the
@ -198,11 +198,7 @@ missing/vsnprintf.c:
2. Redistributions in binary form must reproduce the above copyright 2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution. documentation and/or other materials provided with the distribution.
3. All advertising materials mentioning features or use of this software 3. Neither the name of the University nor the names of its contributors
must display the following acknowledgement:
This product includes software developed by the University of
California, Berkeley and its contributors.
4. Neither the name of the University nor the names of its contributors
may be used to endorse or promote products derived from this software may be used to endorse or promote products derived from this software
without specific prior written permission. without specific prior written permission.

6
bignum.c
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@ -1055,10 +1055,12 @@ rb_big_neg(x)
VALUE x; VALUE x;
{ {
VALUE z = rb_big_clone(x); VALUE z = rb_big_clone(x);
BDIGIT *ds = BDIGITS(z); BDIGIT *ds;
long i = RBIGNUM(x)->len; long i;
if (!RBIGNUM(x)->sign) get2comp(z); if (!RBIGNUM(x)->sign) get2comp(z);
ds = BDIGITS(z);
i = RBIGNUM(x)->len;
while (i--) { while (i--) {
ds[i] = ~ds[i]; ds[i] = ~ds[i];
} }