Mercurial > cpython-lru_cache-weakref
view Python/pystrcmp.c @ 87690:66c1c9f32567 default tip
Add use_weakref option to functools.lru_cache
The use_weakref option makes lru_cache create weak references to the function
arguments when creating the cache key, which prevents them from staying in the
memory forever even after all other references to them are gone.
This is a proof of concept for http://bugs.python.org/issue19859
| author | Radomir Dopieralski <devel@sheep.art.pl> |
|---|---|
| date | Tue, 03 Dec 2013 16:02:48 +0100 |
| parents | fd25030223b0 |
| children |
line wrap: on
line source
/* 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)); }
