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win32.c: fix dup2 return value

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* win32/win32.c (rb_w32_dup2): should return the new fd on
  success, while msvcrt returns 0 wrongly.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51841 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2015-09-12 10:09:03 +00:00
parent 777c719450
commit f6d77bf560
2 changed files with 7 additions and 1 deletions
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3
win32/win32.c
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@ -5934,8 +5934,9 @@ rb_w32_dup2(int oldfd, int newfd)
if (oldfd == newfd) return newfd;
ret = dup2(oldfd, newfd);
if (ret < 0) return ret;
set_new_std_fd(newfd);
return ret;
return newfd;
}
/* License: Ruby's */