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/* xstrdup.c -- copy a string with out of memory checking
Copyright (C) 1990, 1996, 1998 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 3, 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#if HAVE_CONFIG_H
# include <config.h>
#endif
#ifndef PARAMS
# if defined PROTOTYPES || (defined __STDC__ && __STDC__)
# define PARAMS(Args) Args
# else
# define PARAMS(Args) ()
# endif
#endif
#if STDC_HEADERS || HAVE_STRING_H
# include <string.h>
#else
# include <strings.h>
#endif
#include <sys/types.h>
char *xmalloc PARAMS ((size_t n));
/* Return a newly allocated copy of STRING. */
char *
xstrdup (const char *string)
{
return strcpy (xmalloc (strlen (string) + 1), string);
}
/* Return a newly allocated copy of STRING copying at most N
characters. The string is always terminated, and thus is at most
N + 1 chars long. */
char *
xstrndup (const char *string, size_t n)
{
size_t len = strlen (string);
char *res;
if (n < len)
len = n;
res = xmalloc (len + 1);
strncpy (res, string, len);
res[len] = '\0';
return res;
}
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