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* ext/bigdecimal/bigdecimal.c (VpAlloc): ensure buf does not get

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collected.  based on a patch masaya tarui at [ruby-dev:41213].


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27665 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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nobu 2010-05-08 02:07:43 +00:00
parent 7eb6e562e5
commit 66abf4ad68
3 changed files with 19 additions and 2 deletions
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5
ChangeLog
View file

@ -1,3 +1,8 @@
Sat May 8 11:07:41 2010 Nobuyoshi Nakada <nobu@ruby-lang.org>
* ext/bigdecimal/bigdecimal.c (VpAlloc): ensure buf does not get
collected. based on a patch masaya tarui at [ruby-dev:41213].
Sat May 8 10:03:39 2010 Tanaka Akira <akr@fsij.org> Sat May 8 10:03:39 2010 Tanaka Akira <akr@fsij.org>
* ext/socket/lib/socket.rb (BasicSocket#connect_address): MacOS X 10.6 * ext/socket/lib/socket.rb (BasicSocket#connect_address): MacOS X 10.6

5
ext/bigdecimal/bigdecimal.c
View file

@ -2593,7 +2593,7 @@ VpAlloc(U_LONG mx, const char *szVal)
int sign=1; int sign=1;
Real *vp = NULL; Real *vp = NULL;
U_LONG mf = VpGetPrecLimit(); U_LONG mf = VpGetPrecLimit();
volatile VALUE buf; VALUE buf;
mx = (mx + BASE_FIG - 1) / BASE_FIG + 1; /* Determine allocation unit. */ mx = (mx + BASE_FIG - 1) / BASE_FIG + 1; /* Determine allocation unit. */
if(szVal) { if(szVal) {
@ -2621,7 +2621,7 @@ VpAlloc(U_LONG mx, const char *szVal)
/* Skip all '_' after digit: 2006-6-30 */ /* Skip all '_' after digit: 2006-6-30 */
ni = 0; ni = 0;
buf = rb_str_new(0,strlen(szVal)+1); buf = rb_str_tmp_new(strlen(szVal)+1);
psz = RSTRING_PTR(buf); psz = RSTRING_PTR(buf);
i = 0; i = 0;
ipn = 0; ipn = 0;
@ -2720,6 +2720,7 @@ VpAlloc(U_LONG mx, const char *szVal)
vp->MaxPrec = mx; /* set max precision */ vp->MaxPrec = mx; /* set max precision */
VpSetZero(vp,sign); VpSetZero(vp,sign);
VpCtoV(vp, &(szVal[ipn]), ni, &(szVal[ipf]), nf, &(szVal[ipe]), ne); VpCtoV(vp, &(szVal[ipn]), ni, &(szVal[ipf]), nf, &(szVal[ipe]), ne);
rb_str_resize(buf, 0);
return vp; return vp;
} }

11
test/bigdecimal/test_bigdecimal.rb
View file

@ -698,4 +698,15 @@ class TestBigDecimal < Test::Unit::TestCase
assert_equal(BigDecimal::SIGN_POSITIVE_ZERO, BigDecimal.new("1E-1" + "0" * 10000).sign) assert_equal(BigDecimal::SIGN_POSITIVE_ZERO, BigDecimal.new("1E-1" + "0" * 10000).sign)
assert_equal(BigDecimal::SIGN_NEGATIVE_ZERO, BigDecimal.new("-1E-1" + "0" * 10000).sign) assert_equal(BigDecimal::SIGN_NEGATIVE_ZERO, BigDecimal.new("-1E-1" + "0" * 10000).sign)
end end
def test_gc
bug3258 = '[ruby-dev:41213]'
stress, GC.stress = GC.stress, true
1000.times do |i|
b = BigDecimal.new("1"+"0"*i).to_s
assert_equal([1, "1", 10, i+1], b.split, bug3258)
end
ensure
GC.stress = stress
end
end end