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Diffstat (limited to 'src/common/utils.c')
-rw-r--r-- | src/common/utils.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/src/common/utils.c b/src/common/utils.c new file mode 100644 index 0000000..7522404 --- /dev/null +++ b/src/common/utils.c @@ -0,0 +1,47 @@ +/* + * Usurpataion --- utility functions. + * + * Copyright (C) 2019 Ramūnas Mažeikis + * + * This program 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; version 2.1 + * of the License. + * + * 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser 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 + */ + +#include "utils.h" +#include "string.h" + +int cmp_uuid(uuid_t *first, uuid_t *second) +{ + return memcmp(first, second, sizeof(*first)); +} + +fpi1_t fpi1_add(fpi1_t a, fpi1_t b) +{ + return a + b; +} + +fpi1_t fpi1_sub(fpi1_t a, fpi1_t b) +{ + return a - b; +} + +fpi1_t fpi1_mul(fpi1_t a, fpi1_t b) +{ + return (fpi1_t)(((long)a * (long)b) / 100); +} + +fpi1_t fpi1_div(fpi1_t a, fpi1_t b) +{ + return (fpi1_t)(((long)a * 10) / ((long)b * 10)); +} |