Subversion Repositories or1k

/* Utility to pick a temporary filename prefix.

   Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.

This file is part of the libiberty library.

Libiberty is free software; you can redistribute it and/or

modify it under the terms of the GNU Library General Public

License as published by the Free Software Foundation; either

version 2 of the License, or (at your option) any later version.

Libiberty 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

Library General Public License for more details.

You should have received a copy of the GNU Library General Public

License along with libiberty; see the file COPYING.LIB.  If not,

write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,

Boston, MA 02111-1307, USA.  */

#ifdef HAVE_CONFIG_H

#include "config.h"

#endif

#include <stdio.h>      /* May get P_tmpdir.  */

#ifdef HAVE_STDLIB_H

#include <stdlib.h>

#endif

#ifdef HAVE_STRING_H

#include <string.h>

#endif

#include "libiberty.h"

extern char *choose_tmpdir PARAMS ((void));

/* Name of temporary file.

   mktemp requires 6 trailing X's.  */

#define TEMP_FILE "ccXXXXXX"

#define TEMP_FILE_LEN (sizeof(TEMP_FILE) - 1)

/* Return a prefix for temporary file names or NULL if unable to find one.

   The current directory is chosen if all else fails so the program is

   exited if a temporary directory can't be found (mktemp fails).

   The buffer for the result is obtained with xmalloc.

   This function is provided for backwards compatability only.  It use

   is not recommended.  */

char *

choose_temp_base ()

{

  const char *base = choose_tmpdir ();

  char *temp_filename;

  int len;

  len = strlen (base);

  temp_filename = xmalloc (len + TEMP_FILE_LEN + 1);

  strcpy (temp_filename, base);

  strcpy (temp_filename + len, TEMP_FILE);

  mktemp (temp_filename);

  if (strlen (temp_filename) == 0)

    abort ();

  return temp_filename;

}