gcc/texinfo/libtxi/strdup.c

44 lines
1.2 KiB
C

/* strdup.c -- return a newly allocated copy of a string
Copyright (C) 1990 Free Software Foundation, Inc.
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, 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. */
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#ifdef STDC_HEADERS
#include <string.h>
#include <stdlib.h>
#else
char *malloc ();
char *strcpy ();
#endif
/* Return a newly allocated copy of STR,
or 0 if out of memory. */
char *
strdup (str)
const char *str;
{
char *newstr;
newstr = (char *) malloc (strlen (str) + 1);
if (newstr)
strcpy (newstr, str);
return newstr;
}