scripts/dtc/util.c

   1 /*
   2  * Copyright 2008 Jon Loeliger, Freescale Semiconductor, Inc.
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License as
   6  * published by the Free Software Foundation; either version 2 of the
   7  * License, or (at your option) any later version.
   8  *
   9  *  This program is distributed in the hope that it will be useful,
  10  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  *  General Public License for more details.
  13  *
  14  *  You should have received a copy of the GNU General Public License
  15  *  along with this program; if not, write to the Free Software
  16  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
  17  *                                                                   USA
  18  */
  19
  20 #include <stdio.h>
  21 #include <stdlib.h>
  22 #include <stdarg.h>
  23 #include <string.h>
  24
  25 #include "util.h"
  26
  27 char *xstrdup(const char *s)
  28 {
  29         int len = strlen(s) + 1;
  30         char *dup = xmalloc(len);
  31
  32         memcpy(dup, s, len);
  33
  34         return dup;
  35 }
  36
  37 char *join_path(const char *path, const char *name)
  38 {
  39         int lenp = strlen(path);
  40         int lenn = strlen(name);
  41         int len;
  42         int needslash = 1;
  43         char *str;
  44
  45         len = lenp + lenn + 2;
  46         if ((lenp > 0) && (path[lenp-1] == '/')) {
  47                 needslash = 0;
  48                 len--;
  49         }
  50
  51         str = xmalloc(len);
  52         memcpy(str, path, lenp);
  53         if (needslash) {
  54                 str[lenp] = '/';
  55                 lenp++;
  56         }
  57         memcpy(str+lenp, name, lenn+1);
  58         return str;
  59 }