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| author | Victor Stinner <victor.stinner@gmail.com> | 2014-12-05 21:51:51 (GMT) |
|---|---|---|
| committer | Victor Stinner <victor.stinner@gmail.com> | 2014-12-05 21:51:51 (GMT) |
| commit | cbc18f328c7b87cf57763da3c660897cc0c7886c (patch) | |
| tree | c3dd0833e072add32680e1ffa45475506717939f /Modules | |
| parent | efb4835f36fe20591c9ffbaa412fd77d91d342c5 (diff) | |
| download | cpython-cbc18f328c7b87cf57763da3c660897cc0c7886c.zip cpython-cbc18f328c7b87cf57763da3c660897cc0c7886c.tar.gz cpython-cbc18f328c7b87cf57763da3c660897cc0c7886c.tar.bz2 | |
Issue #9647: os.confstr() ensures that the second call to confstr() returns the
same length.
Diffstat (limited to 'Modules')
| -rw-r--r-- | Modules/posixmodule.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c index eb0a68d..bd7cd8a 100644 --- a/Modules/posixmodule.c +++ b/Modules/posixmodule.c @@ -14369,10 +14369,12 @@ os_confstr_impl(PyModuleDef *module, int name) } if (len >= sizeof(buffer)) { + size_t len2; char *buf = PyMem_Malloc(len); if (buf == NULL) return PyErr_NoMemory(); - confstr(name, buf, len); + len2 = confstr(name, buf, len); + assert(len == len2); result = PyUnicode_DecodeFSDefaultAndSize(buf, len-1); PyMem_Free(buf); } |