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Annotation of src/usr.bin/ranlib/touch.c, Revision 1.3

1.3     ! espie       1: /*     $OpenBSD: touch.c,v 1.2 1996/06/26 05:38:07 deraadt Exp $       */
1.2       deraadt     2:
1.1       deraadt     3: /*-
                      4:  * Copyright (c) 1990 The Regents of the University of California.
                      5:  * All rights reserved.
                      6:  *
                      7:  * This code is derived from software contributed to Berkeley by
                      8:  * Hugh Smith at The University of Guelph.
                      9:  *
                     10:  * Redistribution and use in source and binary forms, with or without
                     11:  * modification, are permitted provided that the following conditions
                     12:  * are met:
                     13:  * 1. Redistributions of source code must retain the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer.
                     15:  * 2. Redistributions in binary form must reproduce the above copyright
                     16:  *    notice, this list of conditions and the following disclaimer in the
                     17:  *    documentation and/or other materials provided with the distribution.
                     18:  * 3. All advertising materials mentioning features or use of this software
                     19:  *    must display the following acknowledgement:
                     20:  *     This product includes software developed by the University of
                     21:  *     California, Berkeley and its contributors.
                     22:  * 4. Neither the name of the University nor the names of its contributors
                     23:  *    may be used to endorse or promote products derived from this software
                     24:  *    without specific prior written permission.
                     25:  *
                     26:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     27:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     28:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     29:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     30:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     31:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     32:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     33:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     34:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     35:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     36:  * SUCH DAMAGE.
                     37:  */
                     38:
                     39: #ifndef lint
                     40: /*static char sccsid[] = "from: @(#)touch.c    5.3 (Berkeley) 3/12/91";*/
1.3     ! espie      41: static char rcsid[] = "$OpenBSD: touch.c,v 1.2 1996/06/26 05:38:07 deraadt Exp $";
1.1       deraadt    42: #endif /* not lint */
                     43:
                     44: #include <sys/types.h>
                     45: #include <fcntl.h>
                     46: #include <dirent.h>
                     47: #include <ranlib.h>
                     48: #include <ar.h>
                     49: #include <time.h>
                     50: #include <unistd.h>
                     51: #include <stdio.h>
                     52: #include <string.h>
                     53: #include <archive.h>
1.3     ! espie      54: #include "extern.h"
1.1       deraadt    55:
                     56: extern CHDR chdr;                      /* converted header */
                     57:
1.3     ! espie      58: int
1.1       deraadt    59: touch()
                     60: {
                     61:        int afd;
                     62:
                     63:        afd = open_archive(O_RDWR);
                     64:
                     65:        if (!get_arobj(afd) ||
                     66:            strncmp(RANLIBMAG, chdr.name, sizeof(RANLIBMAG) - 1)) {
                     67:                (void)fprintf(stderr,
                     68:                    "ranlib: %s: no symbol table.\n", archive);
                     69:                return(1);
                     70:        }
                     71:        settime(afd);
                     72:        close_archive(afd);
                     73:        return(0);
                     74: }
                     75:
1.3     ! espie      76: void
1.1       deraadt    77: settime(afd)
                     78:        int afd;
                     79: {
                     80:        struct ar_hdr *hdr;
                     81:        off_t size;
                     82:        char buf[50];
                     83:
                     84:        size = SARMAG + sizeof(hdr->ar_name);
                     85:        if (lseek(afd, size, SEEK_SET) == (off_t)-1)
                     86:                error(archive);
1.3     ! espie      87:        (void)sprintf(buf, "%-12ld", (long int)time((time_t *)NULL) + RANLIBSKEW);
1.1       deraadt    88:        if (write(afd, buf, sizeof(hdr->ar_date)) != sizeof(hdr->ar_date))
                     89:                error(archive);
                     90: }