mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-11-25 19:14:52 +08:00
65 lines
2.0 KiB
C
65 lines
2.0 KiB
C
/* 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;
|
|
}
|