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| author | Paul Eggert <eggert@cs.ucla.edu> | 2015-02-23 10:34:40 -0800 |
|---|---|---|
| committer | Paul Eggert <eggert@cs.ucla.edu> | 2015-02-23 10:37:06 -0800 |
| commit | a39fbed3848c76b88c731bcee72260d2b089b878 (patch) | |
| tree | e52e244b4a860be16f63c78f5122dbf151b8b82c /m4 | |
| parent | 2f1a88d40779d4149a9655723063c0ccc551cfcc (diff) | |
| download | gnulib-a39fbed3848c76b88c731bcee72260d2b089b878.tar.gz | |
dup2: doc and test for Android bug
Reported by Kevin Cernekee in:
http://lists.gnu.org/archive/html/bug-gnulib/2015-02/msg00125.html
* doc/posix-functions/dup2.texi (dup2): Document the bug.
* m4/dup2.m4 (gl_FUNC_DUP2): Test for the bug.
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/dup2.m4 | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/m4/dup2.m4 b/m4/dup2.m4 index 28dbe0afb1..59028e0982 100644 --- a/m4/dup2.m4 +++ b/m4/dup2.m4 @@ -1,4 +1,4 @@ -#serial 23 +#serial 24 dnl Copyright (C) 2002, 2005, 2007, 2009-2015 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -45,7 +45,7 @@ AC_DEFUN([gl_FUNC_DUP2], if (fcntl (1, F_SETFD, FD_CLOEXEC) == -1) result |= 1; #endif - if (dup2 (1, 1) == 0) + if (dup2 (1, 1) != 1) result |= 2; #ifdef FD_CLOEXEC if (fcntl (1, F_GETFD) != FD_CLOEXEC) |