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Annotation of src/usr.bin/ranlib/touch.c, Revision 1.6

1.6     ! deraadt     1: /*     $OpenBSD: touch.c,v 1.5 2003/06/03 02:56:14 millert 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.
1.5       millert    18:  * 3. Neither the name of the University nor the names of its contributors
1.1       deraadt    19:  *    may be used to endorse or promote products derived from this software
                     20:  *    without specific prior written permission.
                     21:  *
                     22:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     23:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     24:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     25:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     26:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     27:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     28:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     29:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     30:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     31:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     32:  * SUCH DAMAGE.
                     33:  */
                     34:
                     35: #ifndef lint
                     36: /*static char sccsid[] = "from: @(#)touch.c    5.3 (Berkeley) 3/12/91";*/
1.6     ! deraadt    37: static char rcsid[] = "$OpenBSD: touch.c,v 1.5 2003/06/03 02:56:14 millert Exp $";
1.1       deraadt    38: #endif /* not lint */
                     39:
                     40: #include <sys/types.h>
                     41: #include <fcntl.h>
                     42: #include <dirent.h>
                     43: #include <ranlib.h>
                     44: #include <ar.h>
                     45: #include <time.h>
                     46: #include <unistd.h>
                     47: #include <stdio.h>
                     48: #include <string.h>
                     49: #include <archive.h>
1.3       espie      50: #include "extern.h"
1.1       deraadt    51:
                     52: extern CHDR chdr;                      /* converted header */
                     53:
1.3       espie      54: int
1.6     ! deraadt    55: touch(void)
1.1       deraadt    56: {
                     57:        int afd;
                     58:
                     59:        afd = open_archive(O_RDWR);
                     60:
                     61:        if (!get_arobj(afd) ||
                     62:            strncmp(RANLIBMAG, chdr.name, sizeof(RANLIBMAG) - 1)) {
                     63:                (void)fprintf(stderr,
                     64:                    "ranlib: %s: no symbol table.\n", archive);
                     65:                return(1);
                     66:        }
                     67:        settime(afd);
                     68:        close_archive(afd);
                     69:        return(0);
                     70: }
                     71:
1.3       espie      72: void
1.6     ! deraadt    73: settime(int afd)
1.1       deraadt    74: {
                     75:        struct ar_hdr *hdr;
                     76:        off_t size;
                     77:        char buf[50];
                     78:
                     79:        size = SARMAG + sizeof(hdr->ar_name);
                     80:        if (lseek(afd, size, SEEK_SET) == (off_t)-1)
                     81:                error(archive);
1.4       deraadt    82:        (void)snprintf(buf, sizeof buf,
                     83:            "%-12ld", (long int)time((time_t *)NULL) + RANLIBSKEW);
1.1       deraadt    84:        if (write(afd, buf, sizeof(hdr->ar_date)) != sizeof(hdr->ar_date))
                     85:                error(archive);
                     86: }