Mercurial > cpython-lru_cache-weakref
view Python/pystrcmp.c @ 84418:ff30bf84b378 3.3
Issue #18328: Reorder ops in PyThreadState_Delete*() functions. Now the
tstate is first removed from TLS and then deallocated.
CID 1019639 (#1 of 1): Use after free (USE_AFTER_FREE)
use_after_free: Using freed pointer tstate.
| author | Christian Heimes <christian@cheimes.de> |
|---|---|
| date | Mon, 01 Jul 2013 23:42:28 +0200 |
| parents | fd25030223b0 |
| children |
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/* Cross platform case insensitive string compare functions */ #include "Python.h" int PyOS_mystrnicmp(const char *s1, const char *s2, Py_ssize_t size) { if (size == 0) return 0; while ((--size > 0) && (tolower((unsigned)*s1) == tolower((unsigned)*s2))) { if (!*s1++ || !*s2++) break; } return tolower((unsigned)*s1) - tolower((unsigned)*s2); } int PyOS_mystricmp(const char *s1, const char *s2) { while (*s1 && (tolower((unsigned)*s1++) == tolower((unsigned)*s2++))) { ; } return (tolower((unsigned)*s1) - tolower((unsigned)*s2)); }
