diff options
Diffstat (limited to 'usr.bin/ar/delete.c')
| -rw-r--r-- | usr.bin/ar/delete.c | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/usr.bin/ar/delete.c b/usr.bin/ar/delete.c new file mode 100644 index 0000000..1ef332f --- /dev/null +++ b/usr.bin/ar/delete.c @@ -0,0 +1,96 @@ +/*- + * Copyright (c) 1990, 1993, 1994 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Hugh Smith at The University of Guelph. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef lint +static char sccsid[] = "@(#)delete.c 8.3 (Berkeley) 4/2/94"; +#endif /* not lint */ + +#include <sys/param.h> +#include <sys/stat.h> + +#include <ar.h> +#include <dirent.h> +#include <fcntl.h> +#include <stdio.h> +#include <unistd.h> + +#include "archive.h" +#include "extern.h" +#include "pathnames.h" + +/*- + * delete -- + * Deletes named members from the archive. + */ +int +delete(argv) + char **argv; +{ + CF cf; + off_t size; + int afd, tfd; + char *file; + + afd = open_archive(O_RDWR); + tfd = tmp(); + + /* Read and write to an archive; pad on both. */ + SETCF(afd, archive, tfd, tname, RPAD|WPAD); + while (get_arobj(afd)) { + if (*argv && (file = files(argv))) { + if (options & AR_V) + (void)printf("d - %s\n", file); + skip_arobj(afd); + continue; + } + put_arobj(&cf, (struct stat *)NULL); + } + + size = lseek(tfd, (off_t)0, SEEK_CUR); + (void)lseek(tfd, (off_t)0, SEEK_SET); + (void)lseek(afd, (off_t)SARMAG, SEEK_SET); + SETCF(tfd, tname, afd, archive, NOPAD); + copy_ar(&cf, size); + (void)close(tfd); + (void)ftruncate(afd, size + SARMAG); + close_archive(afd); + + if (*argv) { + orphans(argv); + return (1); + } + return (0); +} |
