texinfo/libtxi/strdup.c

   1 /* strdup.c -- return a newly allocated copy of a string
   2    Copyright (C) 1990 Free Software Foundation, Inc.
   3
   4    This program is free software; you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; either version 2, or (at your option)
   7    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
  12    GNU 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, 59 Temple Place - Suite 330,
  17    Boston, MA 02111-1307, USA.  */
  18
  19 #ifdef HAVE_CONFIG_H
  20 #include <config.h>
  21 #endif
  22
  23 #ifdef STDC_HEADERS
  24 #include <string.h>
  25 #include <stdlib.h>
  26 #else
  27 char *malloc ();
  28 char *strcpy ();
  29 #endif
  30
  31 /* Return a newly allocated copy of STR,
  32    or 0 if out of memory. */
  33
  34 char *
  35 strdup (str)
  36      const char *str;
  37 {
  38   char *newstr;
  39
  40   newstr = (char *) malloc (strlen (str) + 1);
  41   if (newstr)
  42     strcpy (newstr, str);
  43   return newstr;
  44 }