Copyright © 2011 by Ryan Tomayko <r@tomayko.com>

and Aman Gupta <aman@tmm1.net>

Permission is hereby granted, free of charge, to any person ob- taining a copy of this software and associated documentation files (the “Software”), to deal in the Software without restric- tion, including without limitation the rights to use, copy, modi- fy, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is fur- nished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONIN- FRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  A small portion of the environ dup'ing code in ext/posix-spawn.c was taken from glibc <www.gnu.org/s/libc/> and is maybe Copyright © 2011 by The Free Software Foundation or maybe by others mentioned in the glibc LICENSES file. glibc is distributed under the terms of the LGPL license.