diplodocus.org Git - nmh/blob - sbr/strdup.c

   1
   2 /*
   3  * strdup.c -- duplicate a string
   4  *
   5  * $Id$
   6  *
   7  * This code is Copyright (c) 2002, by the authors of nmh.  See the
   8  * COPYRIGHT file in the root directory of the nmh distribution for
   9  * complete copyright information.
  10  */
  11
  12 #include <h/mh.h>
  13 #include <h/utils.h>
  14
  15
  16 char *
  17 strdup (const char *str)
  18 {
  19     char *cp;
  20     size_t len;
  21
  22     if (!str)
  23         return NULL;
  24
  25     len = strlen(str) + 1;
  26     cp = mh_xmalloc (len);
  27     memcpy (cp, str, len);
  28     return cp;
  29 }