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Diffstat (limited to 'src/lib/utils.c')
-rw-r--r-- | src/lib/utils.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/lib/utils.c b/src/lib/utils.c new file mode 100644 index 00000000..ca082642 --- /dev/null +++ b/src/lib/utils.c @@ -0,0 +1,33 @@ +/* + * Ouroboros - Copyright (C) 2016 + * + * Handy utilities + * + * Sander Vrijders <sander.vrijders@intec.ugent.be> + * + * 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; either version 2 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. + * + * 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., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +int n_digits(unsigned i) +{ + int n = 1; + + while (i > 9) { + n++; + i /= 10; + } + + return n; +} |