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popen-safer: prevent popen from clobbering std descriptors * modules/popen-safer: New file. * lib/popen-safer.c: Likewise. * m4/stdio-safer.m4 (gl_POPEN_SAFER): New macro. * lib/stdio--.h (popen): Provide override. * lib/stdio-safer.h (popen_safer): Provide declaration. * tests/test-popen.c (includes): Partially test this. * modules/popen-safer-tests: New file, for more tests. * tests/test-popen-safer.c: Likewise. * MODULES.html.sh (file stream based Input/Output): Mention it. Signed-off-by: Eric Blake <ebb9@byu.net>
author Eric Blake <ebb9@byu.net>
date Wed, 19 Aug 2009 10:02:19 -0600
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children 6a3afd222026
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Description:
popen function that avoids clobbering std{in,out,err}.

Files:
lib/stdio--.h
lib/stdio-safer.h
lib/popen-safer.c
m4/stdio-safer.m4

Depends-on:
cloexec
open
popen
unistd-safer

configure.ac:
gl_POPEN_SAFER
gl_MODULE_INDICATOR([popen-safer])

Makefile.am:

Include:
"stdio-safer.h"

License:
GPL

Maintainer:
Eric Blake