X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fsn_comparator.c;h=1c9a3e657245d46a7c256f6bafc1d8aa7f42ebcb;hb=7f5611eaa2e099c4422c49a8c47fd437b291dfb4;hp=18361e4c4be2fd617f0be1cf2602022ebc176c6b;hpb=db9c59d0b8c87dce7c2dd3e409c8c5c844d1f2e6;p=sort-networks.git diff --git a/src/sn_comparator.c b/src/sn_comparator.c index 18361e4..1c9a3e6 100644 --- a/src/sn_comparator.c +++ b/src/sn_comparator.c @@ -2,18 +2,19 @@ * libsortnetwork - src/sn_comparator.c * Copyright (C) 2008-2010 Florian octo Forster * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; only version 2 of the License is applicable. + * This library is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as published by + * the Free Software Foundation; either version 2.1 of the License, or (at + * your option) any later version. * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. + * This library is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License + * for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * * Authors: * Florian octo Forster @@ -42,12 +43,17 @@ sn_comparator_t *sn_comparator_create (int min, int max) c->min = min; c->max = max; + c->user_data = NULL; + c->free_func = NULL; return (c); } /* sn_comparator_t *sn_comparator_create */ void sn_comparator_destroy (sn_comparator_t *c) { + if (c->free_func != NULL) + c->free_func (c->user_data); + if (c != NULL) free (c); } /* void sn_comparator_destroy */ @@ -103,4 +109,14 @@ int sn_comparator_compare (const sn_comparator_t *c0, return (0); } /* int sn_comparator_compare */ +uint64_t sn_comparator_get_hashval (const sn_comparator_t *c) /* {{{ */ +{ + if (c == NULL) + return (0); + + /* 100937 and 103319 are some random prime numbers */ + return ((((uint64_t) c->min) * 100937) + + (((uint64_t) c->max) * 103319)); +} /* }}} uint32_t sn_comparator_get_hashval */ + /* vim: set shiftwidth=2 softtabstop=2 : */