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Annotation of src/usr.bin/mktemp/mktemp.c, Revision 1.2

1.2     ! millert     1: /*     $OpenBSD: mktemp.c,v 1.1 1996/11/21 07:59:33 millert Exp $      */
1.1       millert     2:
                      3: /*
                      4:  * Copyright (c) 1996 Todd C. Miller <Todd.Miller@courtesan.com>
                      5:  * All rights reserved.
                      6:  *
                      7:  * Redistribution and use in source and binary forms, with or without
                      8:  * modification, are permitted provided that the following conditions
                      9:  * are met:
                     10:  * 1. Redistributions of source code must retain the above copyright
                     11:  *    notice, this list of conditions and the following disclaimer.
                     12:  * 2. Redistributions in binary form must reproduce the above copyright
                     13:  *    notice, this list of conditions and the following disclaimer in the
                     14:  *    documentation and/or other materials provided with the distribution.
                     15:  * 3. All advertising materials mentioning features or use of this software
                     16:  *    must display the following acknowledgement:
                     17:  *     This product includes software developed by Todd C. Miller.
                     18:  * 4. The name of the author may not be used to endorse or promote products
                     19:  *    derived from this software without specific prior written permission.
                     20:  *
                     21:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
                     22:  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
                     23:  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
                     24:  * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
                     25:  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
                     26:  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
                     27:  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
                     28:  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
                     29:  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
                     30:  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
                     31:  */
                     32:
                     33: #ifndef lint
1.2     ! millert    34: static char rcsid[] = "$OpenBSD: mktemp.c,v 1.1 1996/11/21 07:59:33 millert Exp $";
1.1       millert    35: #endif /* not lint */
                     36:
                     37: #include <stdio.h>
                     38: #include <stdlib.h>
                     39: #include <string.h>
                     40: #include <unistd.h>
                     41: #include <err.h>
                     42:
                     43: extern char *__progname;
                     44:
                     45: void
                     46: usage()
                     47: {
                     48:        (void) fprintf(stderr, "Usage: %s [-u] [-q] template\n", __progname);
                     49:        exit(1);
                     50: }
                     51:
                     52: int
                     53: main(argc, argv)
                     54:        int argc;
                     55:        char **argv;
                     56: {
                     57:        char *template;
                     58:        int ch, uflag = 0, qflag = 0;
                     59:
                     60:        while ((ch = getopt(argc, argv, "uq")) != -1)
                     61:                switch(ch) {
                     62:                case 'u':
                     63:                        uflag = 1;
                     64:                        break;
                     65:                case 'q':
                     66:                        qflag = 1;
                     67:                        break;
                     68:                case '?':
                     69:                default:
                     70:                        usage();
                     71:        }
                     72:
                     73:        if (argc - optind != 1)
                     74:                usage();
                     75:
                     76:        if ((template = strdup(argv[optind])) == NULL) {
                     77:                if (qflag)
                     78:                        exit(1);
                     79:                else
                     80:                        errx(1, "Cannot allocate memory");
                     81:        }
                     82:
                     83:        if (mkstemp(template) < 0) {
                     84:                if (qflag)
                     85:                        exit(1);
                     86:                else
1.2     ! millert    87:                        err(1, "Cannot create temp file %s", template);
1.1       millert    88:        }
                     89:
                     90:        if (uflag)
                     91:                (void) unlink(template);
                     92:
                     93:        (void) puts(template);
                     94:        free(template);
                     95:
                     96:        exit(0);
                     97: }