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* sprintf.c (BSD_vfprintf): wrong padding arround prefix and

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floating point with %a. [ruby-dev:42403] Bug #3956

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@29521 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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naruse 2010-10-18 00:59:31 +00:00
parent d41305b393
commit a7e8b12f96
3 changed files with 15 additions and 0 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
Mon Oct 18 09:57:28 2010 NARUSE, Yui <naruse@ruby-lang.org>
* sprintf.c (BSD_vfprintf): wrong padding arround prefix and
floating point with %a. [ruby-dev:42403] Bug #3956
Sun Oct 17 22:36:33 2010 Tadayoshi Funaba <tadf@dotrb.org> Sun Oct 17 22:36:33 2010 Tadayoshi Funaba <tadf@dotrb.org>
* lib/date/delta.rb: added an rdoc tag. * lib/date/delta.rb: added an rdoc tag.

7
test/ruby/test_sprintf.rb
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@ -204,6 +204,13 @@ class TestSprintf < Test::Unit::TestCase
assert_equal("Inf", sprintf("%E", Float::INFINITY)) assert_equal("Inf", sprintf("%E", Float::INFINITY))
assert_equal("NaN", sprintf("%e", Float::NAN)) assert_equal("NaN", sprintf("%e", Float::NAN))
assert_equal("NaN", sprintf("%E", Float::NAN)) assert_equal("NaN", sprintf("%E", Float::NAN))
assert_equal(" -0x1p+0", sprintf("%10a", -1))
assert_equal(" -0x1.8p+0", sprintf("%10a", -1.5))
assert_equal(" -0x1.4p+0", sprintf("%10a", -1.25))
assert_equal(" -0x1.2p+0", sprintf("%10a", -1.125))
assert_equal(" -0x1.1p+0", sprintf("%10a", -1.0625))
assert_equal("-0x1.05p+0", sprintf("%10a", -1.03125))
end end
BSIZ = 120 BSIZ = 120

3
vsnprintf.c
View file

@ -829,6 +829,9 @@ fp_begin: _double = va_arg(ap, double);
--expt; --expt;
expsize = exponent(expstr, expt, ch + 'p' - 'a'); expsize = exponent(expstr, expt, ch + 'p' - 'a');
size = expsize + ndig; size = expsize + ndig;
size += 2; /* 0x */
if (ndig > 1)
++size; /* floating point */
} }
else if (ch <= 'e') { /* 'e' or 'E' fmt */ else if (ch <= 'e') { /* 'e' or 'E' fmt */
--expt; --expt;