/* * 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. */ #include <stdlib.h> #include <string.h> int n_digits(unsigned i) { int n = 1; while (i > 9) { ++n; i /= 10; } return n; } char * strdup(const char * src) { int len = 0; char * dst = NULL; if (src == NULL) return NULL; len = strlen(src) + 1; dst = malloc(len); if (dst == NULL) return NULL; memcpy(dst, src, len); return dst; }