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bpo-35720: Fixing a memory leak in pymain_parse_cmdline_impl() (GH-11528) 

When the loop in the pymain_read_conf function in this same file
calls pymain_init_cmdline_argv() a 2nd time, the pymain->command
buffer of wchar_t is overriden and the previously allocated memory
is never freed.
This commit is contained in:
Lucas Cimon 2019-01-22 17:15:01 +01:00 committed by Victor Stinner
parent 9932a22897
commit 35ca1820e1
2 changed files with 2 additions and 0 deletions
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Misc/NEWS.d/next/Core and Builtins/2019-01-12-23-33-04.bpo-35720.LELKQx.rst Normal file
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@ -0,0 +1 @@
Fixed a minor memory leak in pymain_parse_cmdline_impl function in Modules/main.c

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Modules/main.c
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@ -1376,6 +1376,7 @@ pymain_read_conf(_PyMain *pymain, _PyCoreConfig *config,
goto done;
}
pymain_clear_cmdline(pymain, cmdline);
pymain_clear_pymain(pymain);
memset(cmdline, 0, sizeof(*cmdline));
config->utf8_mode = new_utf8_mode;
config->coerce_c_locale = new_coerce_c_locale;