usr.bin/ar/append.c

   1 /*-
   2  * Copyright (c) 1990, 1993, 1994
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * This code is derived from software contributed to Berkeley by
   6  * Hugh Smith at The University of Guelph.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  * 3. All advertising materials mentioning features or use of this software
  17  *    must display the following acknowledgement:
  18  *      This product includes software developed by the University of
  19  *      California, Berkeley and its contributors.
  20  * 4. Neither the name of the University nor the names of its contributors
  21  *    may be used to endorse or promote products derived from this software
  22  *    without specific prior written permission.
  23  *
  24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  34  * SUCH DAMAGE.
  35  *
  36  * @(#)append.c 8.3 (Berkeley) 4/2/94
  37  *
  38  * $DragonFly: src/usr.bin/ar/Attic/append.c,v 1.4 2005/01/13 18:57:56 okumoto Exp $
  39  */
  40
  41 #include <sys/param.h>
  42 #include <sys/stat.h>
  43
  44 #include <err.h>
  45 #include <fcntl.h>
  46 #include <unistd.h>
  47 #include <dirent.h>
  48 #include <stdio.h>
  49 #include <string.h>
  50
  51 #include "archive.h"
  52 #include "extern.h"
  53
  54 /*
  55  * append --
  56  *      Append files to the archive - modifies original archive or creates
  57  *      a new archive if named archive does not exist.
  58  */
  59 int
  60 append(char **argv)
  61 {
  62         int afd, fd, eval;
  63         char *file;
  64         CF cf;
  65         struct stat sb;
  66
  67         afd = open_archive(O_CREAT|O_RDWR);
  68         if (lseek(afd, (off_t)0, SEEK_END) == (off_t)-1)
  69                 error(archive);
  70
  71         /* Read from disk, write to an archive; pad on write. */
  72         SETCF(0, 0, afd, archive, WPAD);
  73         for (eval = 0; (file = *argv++); ) {
  74                 if ((fd = open(file, O_RDONLY)) < 0) {
  75                         warn("%s", file);
  76                         eval = 1;
  77                         continue;
  78                 }
  79                 if (options & AR_V)
  80                         printf("q - %s\n", file);
  81                 cf.rfd = fd;
  82                 cf.rname = file;
  83                 put_arobj(&cf, &sb);
  84                 close(fd);
  85         }
  86         close_archive(afd);
  87         return (eval);
  88 }