//
// aegis - project change supervisor
// Copyright (C) 2014 Peter Miller
//
// 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 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, see <http://www.gnu.org/licenses/>.
//

#include <common/ac/stdio.h>
#include <common/ac/stdlib.h>
#include <common/ac/string.h>

#include <common/error.h>
#include <common/progname.h>


static void
usage(void)
{
    const char *prog = progname_get();
    fprintf(stderr, "Usage: %s [ <prefix> ];\n", prog);
    exit(EXIT_FAILURE);
}


int
main(int argc, char **argv)
{
    progname_set(argv[0]);

    const char *dir = getenv("TMPDIR");
    if (!dir || !*dir || *dir != '/')
        dir = "/tmp";

    const char *prefix = "tmp";
    switch (argc)
    {
    case 1:
        break;

    case 2:
        prefix = argv[1];
        break;

    default:
        usage();
        // NOTREACHED
    }
    char buf[100];
    snprintf(buf, sizeof(buf), "%s/%s.%s", dir, prefix, "XXXXXX");
    if (!mkdtemp(buf))
        nfatal("mkdtemp(\"%\")", buf);
    printf("%s\n", buf);
    return EXIT_SUCCESS;
}


// vim: set ts=8 sw=4 et :