contrib / coccinelle / free.coccion commit config.mak.uname: set FREAD_READS_DIRECTORIES for Linux and FreeBSD (e2d90fd)
   1@@
   2expression E;
   3@@
   4- if (E)
   5  free(E);
   6
   7@@
   8expression E;
   9@@
  10- if (!E)
  11  free(E);