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* bignum.c (bigsub_int): add RB_GC_GUARD. This patch is made by

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Makoto Kishimoto.  fixes #4223 [ruby-dev:42907]

* bignum.c (bigadd_int): ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_3@32552 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
mrkn 2011-07-15 11:27:24 +00:00
parent 22a0e9e9c3
commit 2cdfa81ac8
2 changed files with 10 additions and 0 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
Fri Jul 15 19:11:00 2011 Kenta Murata <mrkn@mrkn.jp>
* bignum.c (bigsub_int): add RB_GC_GUARD. This patch is made by
Makoto Kishimoto. fixes #4223 [ruby-dev:42907]
* bignum.c (bigadd_int): ditto.
Fri Jul 15 09:59:12 2011 Hiroshi Nakamura <nahi@ruby-lang.org> Fri Jul 15 09:59:12 2011 Hiroshi Nakamura <nahi@ruby-lang.org>
* backport r32546 from trunk. * backport r32546 from trunk.

3
bignum.c
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@ -1767,6 +1767,7 @@ bigsub_int(VALUE x, long y0)
if (xn == 1 && num < 0) { if (xn == 1 && num < 0) {
RBIGNUM_SET_SIGN(z, !RBIGNUM_SIGN(x)); RBIGNUM_SET_SIGN(z, !RBIGNUM_SIGN(x));
zds[0] = (BDIGIT)-num; zds[0] = (BDIGIT)-num;
RB_GC_GUARD(x);
return bignorm(z); return bignorm(z);
} }
zds[0] = BIGLO(num); zds[0] = BIGLO(num);
@ -1793,6 +1794,7 @@ bigsub_int(VALUE x, long y0)
if (num < 0) { if (num < 0) {
z = bigsub(x, rb_int2big(y0)); z = bigsub(x, rb_int2big(y0));
} }
RB_GC_GUARD(x);
return bignorm(z); return bignorm(z);
} }
@ -1845,6 +1847,7 @@ bigadd_int(VALUE x, long y)
while (i < zn) { while (i < zn) {
zds[i++] = 0; zds[i++] = 0;
} }
RB_GC_GUARD(x);
return bignorm(z); return bignorm(z);
} }