Mercurial > public > mercurial-scm > hg-stable
diff mercurial/cext/revlog.c @ 37873:d9e87566f879 stable
cext: stop worrying and love the free(NULL)
There is no need to check for a NULL pointer before calling free since
free(NULL) is defined by C standards as a no-op. Lots of software relies on
this behavior so it is completely safe to call even on the most obscure of
systems.
author | Josef 'Jeff' Sipek <jeffpc@josefsipek.net> |
---|---|
date | Wed, 13 Jun 2018 10:37:39 -0400 |
parents | a472a897c340 |
children | 1445b556e9d2 |
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--- a/mercurial/cext/revlog.c Sun May 20 23:05:18 2018 -0400 +++ b/mercurial/cext/revlog.c Wed Jun 13 10:37:39 2018 -0400 @@ -319,10 +319,8 @@ PyMem_Free(self->offsets); self->offsets = NULL; } - if (self->nt) { - free(self->nt); - self->nt = NULL; - } + free(self->nt); + self->nt = NULL; Py_CLEAR(self->headrevs); }