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bpo-32681: Fix an uninitialized variable in the C imp of os.dup2 #5346

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Merged
gpshead merged 1 commit into from
Jan 30, 2018
Merged

bpo-32681: Fix an uninitialized variable in the C imp of os.dup2 #5346

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2 changes: 2 additions & 0 deletions Misc/NEWS.d/next/C API/2018-01-26-17-29-29.bpo-32681.N1ruWa.rst
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Original file line number Diff line number Diff line change
@@ -0,0 +1,2 @@
Fix uninitialized variable 'res' in the C implementation of os.dup2. Patch
by Stéphane Wirtel
2 changes: 1 addition & 1 deletion Modules/posixmodule.c
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Expand Up @@ -7782,7 +7782,7 @@ static int
os_dup2_impl(PyObject *module, int fd, int fd2, int inheritable)
/*[clinic end generated code: output=bc059d34a73404d1 input=c3cddda8922b038d]*/
{
int res;
int res = 0;
#if defined(HAVE_DUP3) && \
!(defined(HAVE_FCNTL_H) && defined(F_DUP2FD_CLOEXEC))
/* dup3() is available on Linux 2.6.27+ and glibc 2.9 */
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