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/*
* cook - file construction tool
* Copyright (C) 2001, 2006, 2007 Peter Miller;
* All rights reserved.
*
* 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 of the License, 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, USA.
*
* MANIFEST: functions to manipulate tempfilenames
*/
#include <common/ac/stdio.h>
#include <common/ac/stdlib.h>
#include <common/ac/unistd.h>
#include <common/str.h>
#include <cook/tempfilename.h>
string_ty *
temporary_filename(void)
{
char iname[100];
static int nnn;
#ifdef __CYGWIN32__
/*
* For some reason CygWin32's tmpnam() always produces
* filenames which give ``No such file or directory''
*/
snprintf(iname, sizeof(iname), "t%dp%d.tmp", ++nnn, getpid());
#else
/*
* I'd use tmpnam(), but the GNU linker now says it is too
* dangerous and won't link it any more.
*/
char *tmpdir = 0;
if (!geteuid())
tmpdir = "/tmp";
else
{
tmpdir = getenv("TMPDIR");
if (!tmpdir || *tmpdir != '/')
tmpdir = "/tmp";
}
snprintf(iname, sizeof(iname), "%s/t%dp%d", tmpdir, ++nnn, getpid());
#endif
return str_from_c(iname);
}
string_ty *
dot_temporary_filename(void)
{
static long temp_file_number;
return str_format(".%d.%ld", getpid(), ++temp_file_number);
}
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