initial import of NetBSD tree

1 files changed, 134 insertions, 0 deletions

diff --git a/usr.bin/ar/extract.c b/usr.bin/ar/extract.c
new file mode 100644
index 00000000000..8d42841fe9d
--- /dev/null
+++ b/usr.bin/ar/extract.c
@@ -0,0 +1,134 @@
+/*	$NetBSD: extract.c,v 1.5 1995/03/26 03:27:53 glass Exp $	*/
+
+/*-
+ * 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
+#if 0
+static char sccsid[] = "@(#)extract.c	8.3 (Berkeley) 4/2/94";
+#else 
+static char rcsid[] = "$NetBSD: extract.c,v 1.5 1995/03/26 03:27:53 glass Exp $";
+#endif
+#endif /* not lint */
+
+#include <sys/param.h>
+#include <sys/time.h>
+#include <sys/stat.h>
+
+#include <dirent.h>
+#include <err.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "archive.h"
+#include "extern.h"
+
+/*
+ * extract --
+ *	Extract files from the named archive - if member names given only
+ *	extract those members otherwise extract all members.  If 'o' option
+ *	selected modify date of newly created file to be same as archive
+ *	members date otherwise date is time of extraction.  Does not modify
+ *	archive.
+ */
+int
+extract(argv)
+	char **argv;
+{
+	char *file;
+	int afd, all, eval, tfd;
+	struct timeval tv[2];
+	struct stat sb;
+	CF cf;
+
+	eval = 0;
+	tv[0].tv_usec = tv[1].tv_usec = 0;
+
+	afd = open_archive(O_RDONLY);
+
+	/* Read from an archive, write to disk; pad on read. */
+	SETCF(afd, archive, 0, 0, RPAD);
+	for (all = !*argv; get_arobj(afd);) {
+		if (all)
+			file = chdr.name;
+		else if (!(file = files(argv))) {
+			skip_arobj(afd);
+			continue;
+		}
+
+		if (options & AR_U && !stat(file, &sb) &&
+		    sb.st_mtime > chdr.date)
+			continue;
+
+		if ((tfd = open(file, O_WRONLY|O_CREAT|O_TRUNC, S_IWUSR)) < 0) {
+			warn("%s", file);
+			skip_arobj(afd);
+			eval = 1;
+			continue;
+		}
+
+		if (options & AR_V)
+			(void)printf("x - %s\n", file);
+
+		cf.wfd = tfd;
+		cf.wname = file;
+		copy_ar(&cf, chdr.size);
+
+		if (fchmod(tfd, (short)chdr.mode)) {
+			warn("chmod: %s", file);
+			eval = 1;
+		}
+		if (options & AR_O) {
+			tv[0].tv_sec = tv[1].tv_sec = chdr.date;
+			if (utimes(file, tv)) {
+				warn("utimes: %s", file);
+				eval = 1;
+			}
+		}
+		(void)close(tfd);
+		if (!all && !*argv)
+			break;
+	}
+	close_archive(afd);
+
+	if (*argv) {
+		orphans(argv);
+		return (1);
+	}
+	return (0);
+}