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authornormal <normal@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2015-06-29 23:24:56 +0000
committernormal <normal@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2015-06-29 23:24:56 +0000
commitaf9e072c7ee0e1be48eedccf442d85dec097964c (patch)
treeb5e19a0965829d689f7903fd6523d04128815b48 /io.c
parent75571dc912c956f764c77b4f22792ea07eae368f (diff)
io.c: reopen stdio streams correctly when given "w+"
* io.c (rb_io_oflags_modestr): handle O_TRUNC correctly * test/ruby/test_io.rb (test_reopen_stdio): new test Patch-by: cremno phobia <cremno@mail.ru> [ruby-core:69779] [Bug #11319] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51066 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'io.c')
-rw-r--r--io.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/io.c b/io.c
index dfdb422..8358c74 100644
--- a/io.c
+++ b/io.c
@@ -5046,6 +5046,9 @@ rb_io_oflags_modestr(int oflags)
case O_WRONLY:
return MODE_BINARY("w", "wb");
case O_RDWR:
+ if (oflags & O_TRUNC) {
+ return MODE_BINARY("w+", "wb+");
+ }
return MODE_BINARY("r+", "rb+");
}
}