From 2b6d352202dcdafeb03ddc7be9d45d54915afab4 Mon Sep 17 00:00:00 2001
From: Kiyoshi Aman <kiyoshi.aman+adelie@gmail.com>
Date: Fri, 24 May 2019 22:52:48 -0500
Subject: bin/mv: make buildable with libbsd

---
 bin/mv/mv.c | 62 ++++++++++++++++++++++++++++++++++++++-----------------------
 1 file changed, 39 insertions(+), 23 deletions(-)

(limited to 'bin/mv/mv.c')

diff --git a/bin/mv/mv.c b/bin/mv/mv.c
index e318d48..4b8af74 100644
--- a/bin/mv/mv.c
+++ b/bin/mv/mv.c
@@ -32,25 +32,13 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
-#ifndef lint
-__COPYRIGHT("@(#) Copyright (c) 1989, 1993, 1994\
- The Regents of the University of California.  All rights reserved.");
-#endif /* not lint */
-
-#ifndef lint
-#if 0
-static char sccsid[] = "@(#)mv.c	8.2 (Berkeley) 4/2/94";
-#else
-__RCSID("$NetBSD: mv.c,v 1.45 2016/02/28 10:59:29 mrg Exp $");
-#endif
-#endif /* not lint */
-
 #include <sys/param.h>
 #include <sys/time.h>
 #include <sys/wait.h>
 #include <sys/stat.h>
-#include <sys/extattr.h>
+#include <sys/ioctl.h>
+
+#include <linux/fs.h>
 
 #include <err.h>
 #include <errno.h>
@@ -60,7 +48,9 @@ __RCSID("$NetBSD: mv.c,v 1.45 2016/02/28 10:59:29 mrg Exp $");
 #include <pwd.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <bsd/stdlib.h>
 #include <string.h>
+#include <bsd/string.h>
 #include <unistd.h>
 
 #include "pathnames.h"
@@ -72,10 +62,10 @@ static sig_atomic_t pinfo;
 static int	copy(char *, char *);
 static int	do_move(char *, char *);
 static int	fastcopy(char *, char *, struct stat *);
-__dead static void	usage(void);
+static void	usage(void);
 
 static void
-progress(int sig __unused)
+progress(int sig)
 {
 
 	pinfo++;
@@ -117,7 +107,7 @@ main(int argc, char *argv[])
 
 	stdin_ok = isatty(STDIN_FILENO);
 
-	(void)signal(SIGINFO, progress);
+	(void)signal(SIGHUP, progress);
 
 	/*
 	 * If the stat on the target fails or the target isn't a directory,
@@ -190,6 +180,8 @@ do_move(char *from, char *to)
 			}
 			(void)fprintf(stderr, "overwrite %s? ", to);
 		} else if (stdin_ok && access(to, W_OK) && !stat(to, &sb)) {
+			struct passwd *user = getpwuid(sb.st_uid);
+			struct group *group = getgrgid(sb.st_gid);
 			if (access(from, F_OK)) {
 				warn("rename %s", from);
 				return (1);
@@ -197,8 +189,8 @@ do_move(char *from, char *to)
 			strmode(sb.st_mode, modep);
 			(void)fprintf(stderr, "override %s%s%s/%s for %s? ",
 			    modep + 1, modep[9] == ' ' ? "" : " ",
-			    user_from_uid(sb.st_uid, 0),
-			    group_from_gid(sb.st_gid, 0), to);
+			    user != NULL ? user->pw_name : "",
+			    group != NULL ? group->gr_name : "", to);
 		} else
 			ask = 0;
 		if (ask) {
@@ -262,6 +254,24 @@ do_move(char *from, char *to)
 	    fastcopy(from, to, &sb) : copy(from, to));
 }
 
+#ifndef HAVE_FCPXATTR
+int
+fcpxattr(int from_fd, int to_fd)
+{
+        int attr, from_ret, to_ret;
+
+        from_ret = ioctl(from_fd, FS_IOC_GETFLAGS, &attr);
+        if (from_ret != 0) {
+                return from_ret;
+        }
+        to_ret = ioctl(to_ret, FS_IOC_SETFLAGS, &attr);
+        if (to_ret != 0) {
+                return to_ret;
+        }
+        return 0;
+}
+#endif
+
 static int
 fastcopy(char *from, char *to, struct stat *sbp)
 {
@@ -272,7 +282,7 @@ fastcopy(char *from, char *to, struct stat *sbp)
 #endif
 	static blksize_t blen;
 	static char *bp;
-	int from_fd, to_fd;
+	int from_fd, to_fd, attrs;
 	ssize_t nread;
 	off_t total = 0;
 
@@ -293,6 +303,11 @@ fastcopy(char *from, char *to, struct stat *sbp)
 		(void)close(to_fd);
 		return (1);
 	}
+	
+	if (ioctl(from_fd, FS_IOC_GETFLAGS, &attrs) == -1) {
+		warn("%s: unable to read file attributes: %s", from, strerror(errno));
+	}
+
 	while ((nread = read(from_fd, bp, blen)) > 0) {
 		if (write(to_fd, bp, nread) != nread) {
 			warn("%s", to);
@@ -352,8 +367,9 @@ err:		if (unlink(to))
 	}
 	if (fchmod(to_fd, sbp->st_mode))
 		warn("%s: set mode", to);
-	if (fchflags(to_fd, sbp->st_flags) && (errno != EOPNOTSUPP))
-		warn("%s: set flags (was: 0%07o)", to, sbp->st_flags);
+	if (ioctl(to_fd, FS_IOC_SETFLAGS, &attrs) == -1) {
+		warn("%s: unable to set file attributes: %s", to, strerror(errno));
+	}
 
 	if (close(to_fd)) {
 		warn("%s", to);
-- 
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