[New-bugs-announce] [issue32681] Fix uninitialized variable in os_dup2_impl

[Stéphane Wirtel]

New submission from Stéphane Wirtel <stephane at wirtel.be>:

With the last revision, I get this warning from the compiler.

gcc -pthread -Wno-unused-result -Wsign-compare -g -Og -Wall -Wstrict-prototypes    -std=c99 -Wextra -Wno-unused-result -Wno-unused-parameter -Wno-missing-field-initializers -Werror=implicit-function-declaration   -I. -I./Include    -DPy_BUILD_CORE  -c ./Modules/_collectionsmodule.c -o Modules/_collectionsmodule.o
./Modules/posixmodule.c: In function ‘os_dup2_impl’:
./Modules/posixmodule.c:7785:9: warning: ‘res’ may be used uninitialized in this function [-Wmaybe-uninitialized]
     int res;
         ^~~

----------
messages: 310767
nosy: matrixise
priority: normal
severity: normal
status: open
title: Fix uninitialized variable in os_dup2_impl

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue32681>
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