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Annotation of src/usr.bin/ar/append.c, Revision 1.2

1.2     ! deraadt     1: /*     $OpenBSD: append.c,v 1.5 1995/03/26 03:27:37 glass Exp $        */
1.1       deraadt     2: /*     $NetBSD: append.c,v 1.5 1995/03/26 03:27:37 glass Exp $ */
                      3:
                      4: /*-
                      5:  * Copyright (c) 1990, 1993, 1994
                      6:  *     The Regents of the University of California.  All rights reserved.
                      7:  *
                      8:  * This code is derived from software contributed to Berkeley by
                      9:  * Hugh Smith at The University of Guelph.
                     10:  *
                     11:  * Redistribution and use in source and binary forms, with or without
                     12:  * modification, are permitted provided that the following conditions
                     13:  * are met:
                     14:  * 1. Redistributions of source code must retain the above copyright
                     15:  *    notice, this list of conditions and the following disclaimer.
                     16:  * 2. Redistributions in binary form must reproduce the above copyright
                     17:  *    notice, this list of conditions and the following disclaimer in the
                     18:  *    documentation and/or other materials provided with the distribution.
                     19:  * 3. All advertising materials mentioning features or use of this software
                     20:  *    must display the following acknowledgement:
                     21:  *     This product includes software developed by the University of
                     22:  *     California, Berkeley and its contributors.
                     23:  * 4. Neither the name of the University nor the names of its contributors
                     24:  *    may be used to endorse or promote products derived from this software
                     25:  *    without specific prior written permission.
                     26:  *
                     27:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     28:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     29:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     30:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     31:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     32:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     33:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     34:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     35:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     36:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     37:  * SUCH DAMAGE.
                     38:  */
                     39:
                     40: #ifndef lint
                     41: #if 0
                     42: static char sccsid[] = "@(#)append.c   8.3 (Berkeley) 4/2/94";
                     43: #else
1.2     ! deraadt    44: static char rcsid[] = "$OpenBSD: append.c,v 1.5 1995/03/26 03:27:37 glass Exp $";
1.1       deraadt    45: #endif
                     46: #endif /* not lint */
                     47:
                     48: #include <sys/param.h>
                     49: #include <sys/stat.h>
                     50:
                     51: #include <err.h>
                     52: #include <fcntl.h>
                     53: #include <unistd.h>
                     54: #include <dirent.h>
                     55: #include <stdio.h>
                     56: #include <string.h>
                     57:
                     58: #include "archive.h"
                     59: #include "extern.h"
                     60:
                     61: /*
                     62:  * append --
                     63:  *     Append files to the archive - modifies original archive or creates
                     64:  *     a new archive if named archive does not exist.
                     65:  */
                     66: int
                     67: append(argv)
                     68:        char **argv;
                     69: {
                     70:        int afd, fd, eval;
                     71:        char *file;
                     72:        CF cf;
                     73:        struct stat sb;
                     74:
                     75:        afd = open_archive(O_CREAT|O_RDWR);
                     76:        if (lseek(afd, (off_t)0, SEEK_END) == (off_t)-1)
                     77:                error(archive);
                     78:
                     79:        /* Read from disk, write to an archive; pad on write. */
                     80:        SETCF(0, 0, afd, archive, WPAD);
                     81:        for (eval = 0; file = *argv++;) {
                     82:                if ((fd = open(file, O_RDONLY)) < 0) {
                     83:                        warn("%s", file);
                     84:                        eval = 1;
                     85:                        continue;
                     86:                }
                     87:                if (options & AR_V)
                     88:                        (void)printf("q - %s\n", file);
                     89:                cf.rfd = fd;
                     90:                cf.rname = file;
                     91:                put_arobj(&cf, &sb);
                     92:                (void)close(fd);
                     93:        }
                     94:        close_archive(afd);
                     95:        return (eval);
                     96: }