Apply post-1.17.0 fixes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

29 files changed, 430 insertions, 336 deletions

diff --git a/Config.in b/Config.in
index fc02a2d93..fe64f2b3f 100644
--- a/Config.in
+++ b/Config.in
@@ -15,7 +15,7 @@ menu "General Configuration"
 
 config DESKTOP
 	bool "Enable options for full-blown desktop systems"
-	default n
+	default y
 	help
 	  Enable options and features which are not essential.
 	  Select this only if you plan to use busybox on full-blown
@@ -138,6 +138,7 @@ config UNICODE_USING_LOCALE
 	help
 	  With this option on, Unicode support is implemented using libc
 	  routines. Otherwise, internal implementation is used.
+	  Internal implementation is smaller.
 
 config FEATURE_CHECK_UNICODE_IN_ENV
 	bool "Check $LANG environment variable"
diff --git a/applets/usage_compressed b/applets/usage_compressed
index 9ddf16d38..e1fd0d94d 100755
--- a/applets/usage_compressed
+++ b/applets/usage_compressed
@@ -40,8 +40,4 @@ echo '#define PACKED_USAGE \'
 	-e 's/$/ \\/'
 echo ''
 
-if cmp -s "$target.$$" "$target" 2>/dev/null; then
-    rm -- "$target.$$"
-else
-    mv -- "$target.$$" "$target"
-fi
+mv -- "$target.$$" "$target"
diff --git a/archival/Config.src b/archival/Config.src
index f64b3347b..9a84fd6c6 100644
--- a/archival/Config.src
+++ b/archival/Config.src
@@ -39,7 +39,7 @@ config FEATURE_SEAMLESS_Z
 
 config AR
 	bool "ar"
-	default y
+	default n  # needs to be improved to be able to replace binutils ar
 	help
 	  ar is an archival utility program used to create, modify, and
 	  extract contents from archives. An archive is a single file holding
diff --git a/archival/tar.c b/archival/tar.c
index 9dd74536e..5ddff7fa5 100644
--- a/archival/tar.c
+++ b/archival/tar.c
@@ -237,7 +237,7 @@ static int writeTarHeader(struct TarBallInfo *tbInfo,
 	struct tar_header_t header;
 
 	memset(&header, 0, sizeof(header));
- 
+
 	strncpy(header.name, header_name, sizeof(header.name));
 
 	/* POSIX says to mask mode with 07777. */
diff --git a/archival/unzip_doc.txt.bz2 b/archival/unzip_doc.txt.bz2
deleted file mode 100644
index ab77d10da..000000000
--- a/archival/unzip_doc.txt.bz2
+++ /dev/null
diff --git a/coreutils/dos2unix.c b/coreutils/dos2unix.c
index 1911f5319..e06ecc4e0 100644
--- a/coreutils/dos2unix.c
+++ b/coreutils/dos2unix.c
@@ -92,7 +92,7 @@ int dos2unix_main(int argc UNUSED_PARAM, char **argv)
 	do {
 		/* might be convert(NULL) if there is no filename given */
 		convert(*argv, conv_type);
-	} while (*++argv);
+	} while (*argv && *++argv);
 
 	return 0;
 }
diff --git a/coreutils/realpath.c b/coreutils/realpath.c
index 90a71ed7d..3bc40ee04 100644
--- a/coreutils/realpath.c
+++ b/coreutils/realpath.c
@@ -23,7 +23,7 @@ int realpath_main(int argc UNUSED_PARAM, char **argv)
 
 	do {
 		char *resolved_path = xmalloc_realpath(*argv);
-	       	if (resolved_path != NULL) {
+		if (resolved_path != NULL) {
 			puts(resolved_path);
 			free(resolved_path);
 		} else {
diff --git a/debianutils/mktemp.c b/debianutils/mktemp.c
index c40211476..2c4e19670 100644
--- a/debianutils/mktemp.c
+++ b/debianutils/mktemp.c
@@ -50,7 +50,8 @@ int mktemp_main(int argc UNUSED_PARAM, char **argv)
 	opts = getopt32(argv, "dqtp:", &path);
 
 	chp = argv[optind] ? argv[optind] : xstrdup("tmp.XXXXXX");
-	chp = concat_path_file(path, chp);
+	if (chp[0] != '/' || (opts & 8))
+		chp = concat_path_file(path, chp);
 
 	if (opts & 1) { /* -d */
 		if (mkdtemp(chp) == NULL)
diff --git a/e2fsprogs/Config.src b/e2fsprogs/Config.src
index f362c6b0a..62bc810f8 100644
--- a/e2fsprogs/Config.src
+++ b/e2fsprogs/Config.src
@@ -45,7 +45,7 @@ config LSATTR
 
 config TUNE2FS
 	bool "tune2fs"
-	default y
+	default n  # off: it is too limited compared to upstream version
 	help
 	  tune2fs allows the system administrator to adjust various tunable
 	  filesystem parameters on Linux ext2/ext3 filesystems.
diff --git a/editors/diff.c b/editors/diff.c
index 07594e8d8..a3ca2b660 100644
--- a/editors/diff.c
+++ b/editors/diff.c
@@ -121,6 +121,7 @@ typedef struct FILE_and_pos_t {
 struct globals {
 	smallint exit_status;
 	int opt_U_context;
+	const char *other_dir;
 	char *label[2];
 	struct stat stb[2];
 };
@@ -760,9 +761,11 @@ static int FAST_FUNC add_to_dirlist(const char *filename,
 		void *userdata, int depth UNUSED_PARAM)
 {
 	struct dlist *const l = userdata;
+	const char *file = filename + l->len;
+	while (*file == '/')
+		file++;
 	l->dl = xrealloc_vector(l->dl, 6, l->e);
-	/* + 1 skips "/" after dirname */
-	l->dl[l->e] = xstrdup(filename + l->len + 1);
+	l->dl[l->e] = xstrdup(file);
 	l->e++;
 	return TRUE;
 }
@@ -778,6 +781,25 @@ static int FAST_FUNC skip_dir(const char *filename,
 		add_to_dirlist(filename, sb, userdata, depth);
 		return SKIP;
 	}
+	if (!(option_mask32 & FLAG(N))) {
+		/* -r without -N: no need to recurse into dirs
+		 * which do not exist on the "other side".
+		 * Testcase: diff -r /tmp /
+		 * (it would recurse deep into /proc without this code) */
+		struct dlist *const l = userdata;
+		filename += l->len;
+		if (filename[0]) {
+			struct stat osb;
+			char *othername = concat_path_file(G.other_dir, filename);
+			int r = stat(othername, &osb);
+			free(othername);
+			if (r != 0 || !S_ISDIR(osb.st_mode)) {
+				/* other dir doesn't have similarly named
+				 * directory, don't recurse */
+				return SKIP;
+			}
+		}
+	}
 	return TRUE;
 }
 
@@ -791,6 +813,7 @@ static void diffdir(char *p[2], const char *s_start)
 		/*list[i].s = list[i].e = 0; - memset did it */
 		/*list[i].dl = NULL; */
 
+		G.other_dir = p[1 - i];
 		/* We need to trim root directory prefix.
 		 * Using list.len to specify its length,
 		 * add_to_dirlist will remove it. */
diff --git a/editors/vi.c b/editors/vi.c
index 0f412c362..73e095cf8 100644
--- a/editors/vi.c
+++ b/editors/vi.c
@@ -504,20 +504,17 @@ static int init_text_buffer(char *fn)
 }
 
 #if ENABLE_FEATURE_VI_WIN_RESIZE
-static void query_screen_dimensions(void)
+static int query_screen_dimensions(void)
 {
-# if ENABLE_FEATURE_VI_ASK_TERMINAL
-	if (!G.get_rowcol_error)
-		G.get_rowcol_error =
-# endif
-			get_terminal_width_height(STDIN_FILENO, &columns, &rows);
+	int err = get_terminal_width_height(STDIN_FILENO, &columns, &rows);
 	if (rows > MAX_SCR_ROWS)
 		rows = MAX_SCR_ROWS;
 	if (columns > MAX_SCR_COLS)
 		columns = MAX_SCR_COLS;
+	return err;
 }
 #else
-# define query_screen_dimensions() ((void)0)
+# define query_screen_dimensions() (0)
 #endif
 
 static void edit_file(char *fn)
@@ -536,7 +533,7 @@ static void edit_file(char *fn)
 	rows = 24;
 	columns = 80;
 	size = 0;
-	query_screen_dimensions();
+	IF_FEATURE_VI_ASK_TERMINAL(G.get_rowcol_error =) query_screen_dimensions();
 #if ENABLE_FEATURE_VI_ASK_TERMINAL
 	if (G.get_rowcol_error /* TODO? && no input on stdin */) {
 		uint64_t k;
@@ -546,9 +543,12 @@ static void edit_file(char *fn)
 		if ((int32_t)k == KEYCODE_CURSOR_POS) {
 			uint32_t rc = (k >> 32);
 			columns = (rc & 0x7fff);
+			if (columns > MAX_SCR_COLS)
+				columns = MAX_SCR_COLS;
 			rows = ((rc >> 16) & 0x7fff);
+			if (rows > MAX_SCR_ROWS)
+				rows = MAX_SCR_ROWS;
 		}
-		query_screen_dimensions();
 	}
 #endif
 	new_screen(rows, columns);	// get memory for virtual screen
@@ -2797,7 +2797,7 @@ static void refresh(int full_screen)
 	int li, changed;
 	char *tp, *sp;		// pointer into text[] and screen[]
 
-	if (ENABLE_FEATURE_VI_WIN_RESIZE) {
+	if (ENABLE_FEATURE_VI_WIN_RESIZE IF_FEATURE_VI_ASK_TERMINAL(&& !G.get_rowcol_error) ) {
 		unsigned c = columns, r = rows;
 		query_screen_dimensions();
 		full_screen |= (c - columns) | (r - rows);
diff --git a/init/bootchartd.c b/init/bootchartd.c
index b3e08af92..dae2fe6e9 100644
--- a/init/bootchartd.c
+++ b/init/bootchartd.c
@@ -18,7 +18,7 @@
 //config:	  and stopped using bootchartd stop.
 //config:
 //config:config FEATURE_BOOTCHARTD_BLOATED_HEADER
-//config:	bool "bootchartd"
+//config:	bool "Compatible, bloated header"
 //config:	default y
 //config:	depends on BOOTCHARTD
 //config:	help
@@ -35,7 +35,7 @@
 //config:	  makes bootchartd applet to dump a subset of it.
 //config:
 //config:config FEATURE_BOOTCHARTD_CONFIG_FILE
-//config:	bool "bootchartd"
+//config:	bool "Support bootchartd.conf"
 //config:	default y
 //config:	depends on BOOTCHARTD
 //config:	help
diff --git a/libbb/Config.src b/libbb/Config.src
index 80b1e0d21..09bf89246 100644
--- a/libbb/Config.src
+++ b/libbb/Config.src
@@ -98,7 +98,7 @@ config FEATURE_USERNAME_COMPLETION
 
 config FEATURE_EDITING_FANCY_PROMPT
 	bool "Fancy shell prompts"
-	default n
+	default y
 	depends on FEATURE_EDITING
 	help
 	  Setting this option allows for prompts to use things like \w and
diff --git a/libbb/lineedit.c b/libbb/lineedit.c
index 8a2ea7974..a9b790cf7 100644
--- a/libbb/lineedit.c
+++ b/libbb/lineedit.c
@@ -1765,11 +1765,13 @@ static void cmdedit_setwidth(unsigned w, int redraw_flg)
 
 static void win_changed(int nsig)
 {
+	int sv_errno = errno;
 	unsigned width;
 	get_terminal_width_height(0, &width, NULL);
 	cmdedit_setwidth(width, nsig /* - just a yes/no flag */);
 	if (nsig == SIGWINCH)
 		signal(SIGWINCH, win_changed); /* rearm ourself */
+	errno = sv_errno;
 }
 
 static int lineedit_read_key(char *read_key_buffer)
diff --git a/miscutils/Config.src b/miscutils/Config.src
index 012132e7b..2f7c50271 100644
--- a/miscutils/Config.src
+++ b/miscutils/Config.src
@@ -276,28 +276,28 @@ config FBSPLASH
 
 config FLASHCP
 	bool "flashcp"
-	default y
+	default n  # doesn't build on Ubuntu 8.04
 	help
 	  The flashcp binary, inspired by mtd-utils as of git head 5eceb74f7.
 	  This utility is used to copy images into a MTD device.
 
 config FLASH_LOCK
 	bool "flash_lock"
-	default y
+	default n  # doesn't build on Ubuntu 8.04
 	help
 	  The flash_lock binary from mtd-utils as of git head 5ec0c10d0. This
 	  utility locks part or all of the flash device.
 
 config FLASH_UNLOCK
 	bool "flash_unlock"
-	default y
+	default n  # doesn't build on Ubuntu 8.04
 	help
 	  The flash_unlock binary from mtd-utils as of git head 5ec0c10d0. This
 	  utility unlocks part or all of the flash device.
 
 config FLASH_ERASEALL
 	bool "flash_eraseall"
-	default y
+	default n  # doesn't build on Ubuntu 8.04
 	help
 	  The flash_eraseall binary from mtd-utils as of git head c4c6a59eb.
 	  This utility is used to erase the whole MTD device.
@@ -311,7 +311,7 @@ config IONICE
 
 config INOTIFYD
 	bool "inotifyd"
-	default y
+	default n  # doesn't build on Knoppix 5
 	help
 	  Simple inotify daemon. Reports filesystem changes. Requires
 	  kernel >= 2.6.13
@@ -549,7 +549,7 @@ config READAHEAD
 
 config RFKILL
 	bool "rfkill"
-	default n
+	default n  # doesn't build on Ubuntu 9.04
 	help
 	  Enable/disable wireless devices.
 
@@ -588,7 +588,7 @@ config STRINGS
 
 config TASKSET
 	bool "taskset"
-	default y
+	default n  # doesn't build on some non-x86 targets (m68k)
 	help
 	  Retrieve or set a processes's CPU affinity.
 	  This requires sched_{g,s}etaffinity support in your libc.
diff --git a/modutils/depmod.c b/modutils/depmod.c
index c734f142b..694f9ea5a 100644
--- a/modutils/depmod.c
+++ b/modutils/depmod.c
@@ -28,16 +28,6 @@ typedef struct module_info {
 	struct module_info *dnext, *dprev;
 } module_info;
 
-enum {
-	ARG_a = (1<<0), /* All modules, ignore mods in argv */
-	ARG_A = (1<<1), /* Only emit .ko that are newer than modules.dep file */
-	ARG_b = (1<<2), /* base directory when modules are in staging area */
-	ARG_e = (1<<3), /* with -F, print unresolved symbols */
-	ARG_F = (1<<4), /* System.map that contains the symbols */
-	ARG_n = (1<<5), /* dry-run, print to stdout only */
-	ARG_r = (1<<6)  /* Compat dummy. Linux Makefile uses it */
-};
-
 static int FAST_FUNC parse_module(const char *fname, struct stat *sb UNUSED_PARAM,
 				  void *data, int depth UNUSED_PARAM)
 {
@@ -58,7 +48,7 @@ static int FAST_FUNC parse_module(const char *fname, struct stat *sb UNUSED_PARA
 	*first = info;
 
 	info->dnext = info->dprev = info;
-	info->name = xasprintf("/%s", fname);
+	info->name = xstrdup(fname + 2); /* skip "./" */
 	info->modname = xstrdup(filename2modname(fname, modname));
 	for (ptr = image; ptr < image + len - 10; ptr++) {
 		if (strncmp(ptr, "depends=", 8) == 0) {
@@ -134,10 +124,44 @@ static void xfreopen_write(const char *file, FILE *f)
 		bb_perror_msg_and_die("can't open '%s'", file);
 }
 
+/* Usage:
+ * [-aAenv] [-C FILE or DIR] [-b BASE] [-F System.map] [VERSION] [MODFILES]...
+ *	-a --all
+ *		Probe all modules. Default if no MODFILES.
+ *	-A --quick
+ *		Check modules.dep's mtime against module files' mtimes.
+ *	-b --basedir BASE
+ *		Use $BASE/lib/modules/VERSION
+ *	-C --config FILE or DIR
+ *		Path to /etc/depmod.conf or /etc/depmod.d/
+ *	-e --errsyms
+ *		When combined with the -F option, this reports any symbols which
+ *		which are not supplied by other modules or kernel.
+ *	-F --filesyms System.map
+ *	-n --dry-run
+ *		Print modules.dep etc to standard output
+ *	-v --verbose
+ *		Print to stdout all the symbols each module depends on
+ *		and the module's file name which provides that symbol.
+ *	-r	No-op
+ *
+ * So far we only support: [-rn] [-b BASE] [VERSION] [MODFILES]...
+ * -aAeF are accepted but ignored. -vC are not accepted.
+ */
+enum {
+	//OPT_a = (1 << 0), /* All modules, ignore mods in argv */
+	//OPT_A = (1 << 1), /* Only emit .ko that are newer than modules.dep file */
+	OPT_b = (1 << 2), /* base directory when modules are in staging area */
+	//OPT_e = (1 << 3), /* with -F, print unresolved symbols */
+	//OPT_F = (1 << 4), /* System.map that contains the symbols */
+	OPT_n = (1 << 5), /* dry-run, print to stdout only */
+	OPT_r = (1 << 6)  /* Compat dummy. Linux Makefile uses it */
+};
+
 int depmod_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int depmod_main(int argc UNUSED_PARAM, char **argv)
 {
-	module_info *modules = NULL, *m, *dep;
+	module_info *modules, *m, *dep;
 	const char *moddir_base = "/";
 	char *moddir, *version;
 	struct utsname uts;
@@ -152,36 +176,30 @@ int depmod_main(int argc UNUSED_PARAM, char **argv)
 	/* If a version is provided, then that kernel version's module directory
 	 * is used, rather than the current kernel version (as returned by
 	 * "uname -r").  */
-	if (*argv && sscanf(*argv, "%d.%d.%d", &tmp, &tmp, &tmp) == 3) {
+	if (*argv && sscanf(*argv, "%u.%u.%u", &tmp, &tmp, &tmp) == 3) {
 		version = *argv++;
 	} else {
 		uname(&uts);
 		version = uts.release;
 	}
 	moddir = concat_path_file(&CONFIG_DEFAULT_MODULES_DIR[1], version);
+	xchdir(moddir);
+	if (ENABLE_FEATURE_CLEAN_UP)
+		free(moddir);
 
 	/* Scan modules */
+	modules = NULL;
 	if (*argv) {
-		char *modfile;
-		struct stat sb;
 		do {
-			modfile = concat_path_file(moddir, *argv);
-			xstat(modfile, &sb);
-			parse_module(modfile, &sb, &modules, 0);
-			free(modfile);
-		} while (*(++argv));
+			parse_module(*argv, /*sb (unused):*/ NULL, &modules, 0);
+		} while (*++argv);
 	} else {
-		recursive_action(moddir, ACTION_RECURSE,
+		recursive_action(".", ACTION_RECURSE,
 				 parse_module, NULL, &modules, 0);
 	}
 
-	/* Prepare for writing out the dep files */
-	xchdir(moddir);
-	if (ENABLE_FEATURE_CLEAN_UP)
-		free(moddir);
-
 	/* Generate dependency and alias files */
-	if (!(option_mask32 & ARG_n))
+	if (!(option_mask32 & OPT_n))
 		xfreopen_write(CONFIG_DEFAULT_DEPMOD_FILE, stdout);
 	for (m = modules; m != NULL; m = m->next) {
 		printf("%s:", m->name);
@@ -200,7 +218,7 @@ int depmod_main(int argc UNUSED_PARAM, char **argv)
 	}
 
 #if ENABLE_FEATURE_MODUTILS_ALIAS
-	if (!(option_mask32 & ARG_n))
+	if (!(option_mask32 & OPT_n))
 		xfreopen_write("modules.alias", stdout);
 	for (m = modules; m != NULL; m = m->next) {
 		const char *fname = bb_basename(m->name);
@@ -218,7 +236,7 @@ int depmod_main(int argc UNUSED_PARAM, char **argv)
 	}
 #endif
 #if ENABLE_FEATURE_MODUTILS_SYMBOLS
-	if (!(option_mask32 & ARG_n))
+	if (!(option_mask32 & OPT_n))
 		xfreopen_write("modules.symbols", stdout);
 	for (m = modules; m != NULL; m = m->next) {
 		const char *fname = bb_basename(m->name);
diff --git a/modutils/modprobe.c b/modutils/modprobe.c
index b4de65b1f..0a9424293 100644
--- a/modutils/modprobe.c
+++ b/modutils/modprobe.c
@@ -483,6 +483,11 @@ int modprobe_main(int argc UNUSED_PARAM, char **argv)
 	opt = getopt32(argv, INSMOD_OPTS MODPROBE_OPTS INSMOD_ARGS);
 	argv += optind;
 
+	/* Goto modules location */
+	xchdir(CONFIG_DEFAULT_MODULES_DIR);
+	uname(&uts);
+	xchdir(uts.release);
+
 	if (opt & MODPROBE_OPT_LIST_ONLY) {
 		char name[MODULE_NAME_LEN];
 		char *colon, *tokens[2];
@@ -524,11 +529,6 @@ int modprobe_main(int argc UNUSED_PARAM, char **argv)
 		return EXIT_SUCCESS;
 	}
 
-	/* Goto modules location */
-	xchdir(CONFIG_DEFAULT_MODULES_DIR);
-	uname(&uts);
-	xchdir(uts.release);
-
 	/* Retrieve module names of already loaded modules */
 	{
 		char *s;
diff --git a/networking/ip.c b/networking/ip.c
index 7a0f308f0..3a99fa320 100644
--- a/networking/ip.c
+++ b/networking/ip.c
@@ -1,14 +1,12 @@
 /* vi: set sw=4 ts=4: */
 /*
- * ip.c		"ip" utility frontend.
+ * "ip" utility frontend.
  *
  * Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
  *
- * Authors:	Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
- *
+ * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
  *
  * Changes:
- *
  * Rani Assaf <rani@magic.metawire.com> 980929:	resolve addresses
  * Bernhard Reutner-Fischer rewrote to use index_in_substr_array
  */
@@ -24,12 +22,14 @@
  || ENABLE_FEATURE_IP_TUNNEL \
  || ENABLE_FEATURE_IP_RULE
 
-static int NORETURN ip_print_help(char **argv UNUSED_PARAM)
+static int ip_print_help(char **argv UNUSED_PARAM)
 {
 	bb_show_usage();
 }
 
-static int ip_do(int (*ip_func)(char **argv), char **argv)
+typedef int (*ip_func_ptr_t)(char**);
+
+static int ip_do(ip_func_ptr_t ip_func, char **argv)
 {
 	argv = ip_parse_common_args(argv + 1);
 	return ip_func(argv);
@@ -78,45 +78,29 @@ int ip_main(int argc UNUSED_PARAM, char **argv)
 	static const char keywords[] ALIGN1 =
 		IF_FEATURE_IP_ADDRESS("address\0")
 		IF_FEATURE_IP_ROUTE("route\0")
+		IF_FEATURE_IP_ROUTE("r\0")
 		IF_FEATURE_IP_LINK("link\0")
-		IF_FEATURE_IP_TUNNEL("tunnel\0" "tunl\0")
+		IF_FEATURE_IP_TUNNEL("tunnel\0")
+		IF_FEATURE_IP_TUNNEL("tunl\0")
 		IF_FEATURE_IP_RULE("rule\0")
 		;
-	enum {
-		IF_FEATURE_IP_ADDRESS(IP_addr,)
-		IF_FEATURE_IP_ROUTE(IP_route,)
-		IF_FEATURE_IP_LINK(IP_link,)
-		IF_FEATURE_IP_TUNNEL(IP_tunnel, IP_tunl,)
-		IF_FEATURE_IP_RULE(IP_rule,)
-		IP_none
+	static const ip_func_ptr_t ip_func_ptrs[] = {
+		ip_print_help,
+		IF_FEATURE_IP_ADDRESS(do_ipaddr,)
+		IF_FEATURE_IP_ROUTE(do_iproute,)
+		IF_FEATURE_IP_ROUTE(do_iproute,)
+		IF_FEATURE_IP_LINK(do_iplink,)
+		IF_FEATURE_IP_TUNNEL(do_iptunnel,)
+		IF_FEATURE_IP_TUNNEL(do_iptunnel,)
+		IF_FEATURE_IP_RULE(do_iprule,)
 	};
-	int (*ip_func)(char**) = ip_print_help;
+	ip_func_ptr_t ip_func;
+	int key;
 
 	argv = ip_parse_common_args(argv + 1);
-	if (*argv) {
-		int key = index_in_substrings(keywords, *argv);
-		argv++;
-#if ENABLE_FEATURE_IP_ADDRESS
-		if (key == IP_addr)
-			ip_func = do_ipaddr;
-#endif
-#if ENABLE_FEATURE_IP_ROUTE
-		if (key == IP_route)
-			ip_func = do_iproute;
-#endif
-#if ENABLE_FEATURE_IP_LINK
-		if (key == IP_link)
-			ip_func = do_iplink;
-#endif
-#if ENABLE_FEATURE_IP_TUNNEL
-		if (key == IP_tunnel || key == IP_tunl)
-			ip_func = do_iptunnel;
-#endif
-#if ENABLE_FEATURE_IP_RULE
-		if (key == IP_rule)
-			ip_func = do_iprule;
-#endif
-	}
+	key = *argv ? index_in_substrings(keywords, *argv++) : -1;
+	ip_func = ip_func_ptrs[key + 1];
+
 	return ip_func(argv);
 }
 
diff --git a/networking/nc.c b/networking/nc.c
index 0dacaf117..c77137480 100644
--- a/networking/nc.c
+++ b/networking/nc.c
@@ -34,7 +34,7 @@
 //config:
 //config:config NC_110_COMPAT
 //config:	bool "Netcat 1.10 compatibility (+2.5k)"
-//config:	default y
+//config:	default n  # off specially for Rob
 //config:	depends on NC
 //config:	help
 //config:	  This option makes nc closely follow original nc-1.10.
diff --git a/networking/wget.c b/networking/wget.c
index f55b68a38..1f35f8b03 100644
--- a/networking/wget.c
+++ b/networking/wget.c
@@ -50,7 +50,7 @@ static void progress_meter(int flag)
 	}
 
 	bb_progress_update(&G.pmt, G.curfile, G.beg_range, G.transferred,
-			   G.chunked ? 0 : G.content_len + G.beg_range);
+			   G.chunked ? 0 : G.beg_range + G.transferred + G.content_len);
 
 	if (flag == 0) {
 		/* last call to progress_meter */
diff --git a/procps/top.c b/procps/top.c
index 04dd82633..ec8437442 100644
--- a/procps/top.c
+++ b/procps/top.c
@@ -686,10 +686,10 @@ static int topmem_sort(char *a, char *b)
 	n = offsetof(topmem_status_t, vsz) + (sort_field * sizeof(mem_t));
 	l = *(mem_t*)(a + n);
 	r = *(mem_t*)(b + n);
-//	if (l == r) {
-//		l = a->mapped_rw;
-//		r = b->mapped_rw;
-//	}
+	if (l == r) {
+		l = ((topmem_status_t*)a)->dirty;
+		r = ((topmem_status_t*)b)->dirty;
+	}
 	/* We want to avoid unsigned->signed and truncation errors */
 	/* l>r: -1, l=r: 0, l<r: 1 */
 	n = (l > r) ? -1 : (l != r);
diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index f343818b1..5685b5bcc 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -13,8 +13,13 @@ __build:
 include scripts/Kbuild.include
 
 # The filename Kbuild has precedence over Makefile
+# bbox: we also try to include Kbuild file in obj tree first
 kbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src))
-include $(if $(wildcard $(kbuild-dir)/Kbuild), $(kbuild-dir)/Kbuild, $(kbuild-dir)/Makefile)
+include $(if $(wildcard $(src)/Kbuild), $(src)/Kbuild, \
+		$(if $(wildcard $(kbuild-dir)/Kbuild), $(kbuild-dir)/Kbuild, \
+			$(kbuild-dir)/Makefile \
+		) \
+	)
 
 include scripts/Makefile.lib
 
diff --git a/scripts/gen_build_files.sh b/scripts/gen_build_files.sh
index a98f509ce..18c172d5a 100755
--- a/scripts/gen_build_files.sh
+++ b/scripts/gen_build_files.sh
@@ -4,6 +4,8 @@ test $# -ge 2 || { echo "Syntax: $0 SRCTREE OBJTREE"; exit 1; }
 
 # cd to objtree
 cd -- "$2" || { echo "Syntax: $0 SRCTREE OBJTREE"; exit 1; }
+# In separate objtree build, include/ might not exist yet
+mkdir include 2>/dev/null
 
 srctree="$1"
 
@@ -46,11 +48,13 @@ if test x"$new" != x"$old"; then
 fi
 
 # (Re)generate */Kbuild and */Config.in
-find -type d | while read -r d; do
+{ cd -- "$srctree" && find -type d; } | while read -r d; do
 	d="${d#./}"
+
 	src="$srctree/$d/Kbuild.src"
 	dst="$d/Kbuild"
 	if test -f "$src"; then
+		mkdir -p -- "$d" 2>/dev/null
 		#echo "  CHK     $dst"
 
 		s=`sed -n 's@^//kbuild:@@p' -- "$srctree/$d"/*.c`
@@ -70,6 +74,7 @@ find -type d | while read -r d; do
 	src="$srctree/$d/Config.src"
 	dst="$d/Config.in"
 	if test -f "$src"; then
+		mkdir -p -- "$d" 2>/dev/null
 		#echo "  CHK     $dst"
 
 		s=`sed -n 's@^//config:@@p' -- "$srctree/$d"/*.c`
diff --git a/scripts/test_make_O b/scripts/test_make_O
new file mode 100755
index 000000000..a0ee6a868
--- /dev/null
+++ b/scripts/test_make_O
@@ -0,0 +1,11 @@
+#!/bin/sh
+
+b=`basename $PWD`
+test "${b#busybox}" != "$b" || { echo "Must be run in busybox tree"; exit 1; }
+
+rm -rf ../testdir_make_O.$$
+mkdir ../testdir_make_O.$$
+odir=`cd ../testdir_make_O.$$ && pwd`
+test -d "$odir" || exit 1
+
+make O="$odir" $MAKEOPTS "$@" defconfig busybox 2>&1 | tee test_make_O.log
diff --git a/testsuite/diff.tests b/testsuite/diff.tests
index 06d5a4fd7..27a4b33a7 100755
--- a/testsuite/diff.tests
+++ b/testsuite/diff.tests
@@ -4,7 +4,7 @@
 
 . ./testing.sh
 
-# testing "test name" "options" "expected result" "file input" "stdin"
+# testing "test name" "commands" "expected result" "file input" "stdin"
 
 # diff outputs date/time in the header, which should not be analysed
 # NB: sed has tab character in s command!
@@ -100,9 +100,11 @@ testing "diff always takes context from old file" \
 	"abc\na  c\ndef\n" \
 	"a c\n"
 
-# testing "test name" "options" "expected result" "file input" "stdin"
+# testing "test name" "commands" "expected result" "file input" "stdin"
 
+# clean up
 rm -rf diff1 diff2
+
 mkdir diff1 diff2 diff2/subdir
 echo qwe >diff1/-
 echo asd >diff2/subdir/-
@@ -187,4 +189,29 @@ SKIP=
 # clean up
 rm -rf diff1 diff2
 
+# NOT using directory structure from prev test...
+mkdir diff1 diff2
+echo qwe >diff1/-
+echo rty >diff2/-
+optional FEATURE_DIFF_DIR
+testing "diff diff1 diff2/" \
+	"diff -ur diff1 diff2/ | $TRIM_TAB; diff -ur .///diff1 diff2//// | $TRIM_TAB" \
+"\
+--- diff1/-
++++ diff2/-
+@@ -1 +1 @@
+-qwe
++rty
+--- .///diff1/-
++++ diff2////-
+@@ -1 +1 @@
+-qwe
++rty
+" \
+	"" ""
+SKIP=
+
+# clean up
+rm -rf diff1 diff2
+
 exit $FAILCOUNT
diff --git a/util-linux/Config.src b/util-linux/Config.src
index 3c3e05ec4..91d1fc2ce 100644
--- a/util-linux/Config.src
+++ b/util-linux/Config.src
@@ -470,221 +470,6 @@ config FEATURE_USE_TERMIOS
 	  will be unable to determine the current screen size, and will be
 	  unable to move the cursor.
 
-config VOLUMEID
-	bool #No description makes it a hidden option
-	default n
-
-config FEATURE_VOLUMEID_EXT
-	bool "Ext filesystem"
-	default y
-	depends on VOLUMEID
-	help
-	  TODO
-
-config FEATURE_VOLUMEID_BTRFS
-	bool "btrfs filesystem"
-	default y
-	depends on VOLUMEID
-	help
-	  TODO
-
-config FEATURE_VOLUMEID_REISERFS
-	bool "Reiser filesystem"
-	default y
-	depends on VOLUMEID
-	help
-	  TODO
-
-config FEATURE_VOLUMEID_FAT
-	bool "fat filesystem"
-	default y
-	depends on VOLUMEID
-	help
-	  TODO
-
-config FEATURE_VOLUMEID_HFS
-	bool "hfs filesystem"
-	default y
-	depends on VOLUMEID
-	help
-	  TODO
-
-config FEATURE_VOLUMEID_JFS
-	bool "jfs filesystem"
-	default y
-	depends on VOLUMEID
-	help
-	  TODO
-
-### config FEATURE_VOLUMEID_UFS
-###	bool "ufs filesystem"
-###	default y
-###	depends on VOLUMEID
-###	help
-###	  TODO
-
-config FEATURE_VOLUMEID_XFS
-	bool "xfs filesystem"
-	default y
-	depends on VOLUMEID
-	help
-	  TODO
-
-config FEATURE_VOLUMEID_NTFS
-	bool "ntfs filesystem"
-	default y
-	depends on VOLUMEID
-	help
-	  TODO
-
-config FEATURE_VOLUMEID_ISO9660
-	bool "iso9660 filesystem"
-	default y
-	depends on VOLUMEID
-	help
-	  TODO
-
-config FEATURE_VOLUMEID_UDF
-	bool "udf filesystem"
-	default y
-	depends on VOLUMEID
-	help
-	  TODO
-
-config FEATURE_VOLUMEID_LUKS
-	bool "luks filesystem"
-	default y
-	depends on VOLUMEID
-	help
-	  TODO
-
-config FEATURE_VOLUMEID_LINUXSWAP
-	bool "linux swap filesystem"
-	default y
-	depends on VOLUMEID
-	help
-	  TODO
-
-### config FEATURE_VOLUMEID_LVM
-###	bool "lvm"
-###	default y
-###	depends on VOLUMEID
-###	help
-###	  TODO
-
-config FEATURE_VOLUMEID_CRAMFS
-	bool "cramfs filesystem"
-	default y
-	depends on VOLUMEID
-	help
-	  TODO
-
-### config FEATURE_VOLUMEID_HPFS
-###	bool "hpfs filesystem"
-###	default y
-###	depends on VOLUMEID
-###	help
-###	  TODO
-
-config FEATURE_VOLUMEID_ROMFS
-	bool "romfs filesystem"
-	default y
-	depends on VOLUMEID
-	help
-	  TODO
-
-config FEATURE_VOLUMEID_SYSV
-	bool "sysv filesystem"
-	default y
-	depends on VOLUMEID
-	help
-	  TODO
-
-### config FEATURE_VOLUMEID_MINIX
-###	bool "minix filesystem"
-###	default y
-###	depends on VOLUMEID
-###	help
-###	  TODO
-
-### These only detect partition tables - not used (yet?)
-### config FEATURE_VOLUMEID_MAC
-###	bool "mac filesystem"
-###	default y
-###	depends on VOLUMEID
-###	help
-###	  TODO
-###
-### config FEATURE_VOLUMEID_MSDOS
-###	bool "msdos filesystem"
-###	default y
-###	depends on VOLUMEID
-###	help
-###	  TODO
-
-config FEATURE_VOLUMEID_OCFS2
-	bool "ocfs2 filesystem"
-	default y
-	depends on VOLUMEID
-	help
-	  TODO
-
-### config FEATURE_VOLUMEID_HIGHPOINTRAID
-###	bool "highpoint raid"
-###	default y
-###	depends on VOLUMEID
-###	help
-###	  TODO
-
-### config FEATURE_VOLUMEID_ISWRAID
-###	bool "intel raid"
-###	default y
-###	depends on VOLUMEID
-###	help
-###	  TODO
-
-### config FEATURE_VOLUMEID_LSIRAID
-###	bool "lsi raid"
-###	default y
-###	depends on VOLUMEID
-###	help
-###	  TODO
-
-### config FEATURE_VOLUMEID_VIARAID
-###	bool "via raid"
-###	default y
-###	depends on VOLUMEID
-###	help
-###	  TODO
-
-### config FEATURE_VOLUMEID_SILICONRAID
-###	bool "silicon raid"
-###	default y
-###	depends on VOLUMEID
-###	help
-###	  TODO
-
-### config FEATURE_VOLUMEID_NVIDIARAID
-###	bool "nvidia raid"
-###	default y
-###	depends on VOLUMEID
-###	help
-###	  TODO
-
-### config FEATURE_VOLUMEID_PROMISERAID
-###	bool "promise raid"
-###	default y
-###	depends on VOLUMEID
-###	help
-###	  TODO
-
-config FEATURE_VOLUMEID_LINUXRAID
-	bool "linuxraid"
-	default y
-	depends on VOLUMEID
-	help
-	  TODO
-
 config MOUNT
 	bool "mount"
 	default y
@@ -937,4 +722,224 @@ config FEATURE_MTAB_SUPPORT
 	  About the only reason to use this is if you've removed /proc from
 	  your kernel.
 
+config VOLUMEID
+	bool #No description makes it a hidden option
+	default n
+
+menu "Filesystem/Volume identification"
+	depends on VOLUMEID
+
+config FEATURE_VOLUMEID_EXT
+	bool "Ext filesystem"
+	default y
+	depends on VOLUMEID
+	help
+	  TODO
+
+config FEATURE_VOLUMEID_BTRFS
+	bool "btrfs filesystem"
+	default y
+	depends on VOLUMEID
+	help
+	  TODO
+
+config FEATURE_VOLUMEID_REISERFS
+	bool "Reiser filesystem"
+	default y
+	depends on VOLUMEID
+	help
+	  TODO
+
+config FEATURE_VOLUMEID_FAT
+	bool "fat filesystem"
+	default y
+	depends on VOLUMEID
+	help
+	  TODO
+
+config FEATURE_VOLUMEID_HFS
+	bool "hfs filesystem"
+	default y
+	depends on VOLUMEID
+	help
+	  TODO
+
+config FEATURE_VOLUMEID_JFS
+	bool "jfs filesystem"
+	default y
+	depends on VOLUMEID
+	help
+	  TODO
+
+### config FEATURE_VOLUMEID_UFS
+###	bool "ufs filesystem"
+###	default y
+###	depends on VOLUMEID
+###	help
+###	  TODO
+
+config FEATURE_VOLUMEID_XFS
+	bool "xfs filesystem"
+	default y
+	depends on VOLUMEID
+	help
+	  TODO
+
+config FEATURE_VOLUMEID_NTFS
+	bool "ntfs filesystem"
+	default y
+	depends on VOLUMEID
+	help
+	  TODO
+
+config FEATURE_VOLUMEID_ISO9660
+	bool "iso9660 filesystem"
+	default y
+	depends on VOLUMEID
+	help
+	  TODO
+
+config FEATURE_VOLUMEID_UDF
+	bool "udf filesystem"
+	default y
+	depends on VOLUMEID
+	help
+	  TODO
+
+config FEATURE_VOLUMEID_LUKS
+	bool "luks filesystem"
+	default y
+	depends on VOLUMEID
+	help
+	  TODO
+
+config FEATURE_VOLUMEID_LINUXSWAP
+	bool "linux swap filesystem"
+	default y
+	depends on VOLUMEID
+	help
+	  TODO
+
+### config FEATURE_VOLUMEID_LVM
+###	bool "lvm"
+###	default y
+###	depends on VOLUMEID
+###	help
+###	  TODO
+
+config FEATURE_VOLUMEID_CRAMFS
+	bool "cramfs filesystem"
+	default y
+	depends on VOLUMEID
+	help
+	  TODO
+
+### config FEATURE_VOLUMEID_HPFS
+###	bool "hpfs filesystem"
+###	default y
+###	depends on VOLUMEID
+###	help
+###	  TODO
+
+config FEATURE_VOLUMEID_ROMFS
+	bool "romfs filesystem"
+	default y
+	depends on VOLUMEID
+	help
+	  TODO
+
+config FEATURE_VOLUMEID_SYSV
+	bool "sysv filesystem"
+	default y
+	depends on VOLUMEID
+	help
+	  TODO
+
+### config FEATURE_VOLUMEID_MINIX
+###	bool "minix filesystem"
+###	default y
+###	depends on VOLUMEID
+###	help
+###	  TODO
+
+### These only detect partition tables - not used (yet?)
+### config FEATURE_VOLUMEID_MAC
+###	bool "mac filesystem"
+###	default y
+###	depends on VOLUMEID
+###	help
+###	  TODO
+###
+### config FEATURE_VOLUMEID_MSDOS
+###	bool "msdos filesystem"
+###	default y
+###	depends on VOLUMEID
+###	help
+###	  TODO
+
+config FEATURE_VOLUMEID_OCFS2
+	bool "ocfs2 filesystem"
+	default y
+	depends on VOLUMEID
+	help
+	  TODO
+
+### config FEATURE_VOLUMEID_HIGHPOINTRAID
+###	bool "highpoint raid"
+###	default y
+###	depends on VOLUMEID
+###	help
+###	  TODO
+
+### config FEATURE_VOLUMEID_ISWRAID
+###	bool "intel raid"
+###	default y
+###	depends on VOLUMEID
+###	help
+###	  TODO
+
+### config FEATURE_VOLUMEID_LSIRAID
+###	bool "lsi raid"
+###	default y
+###	depends on VOLUMEID
+###	help
+###	  TODO
+
+### config FEATURE_VOLUMEID_VIARAID
+###	bool "via raid"
+###	default y
+###	depends on VOLUMEID
+###	help
+###	  TODO
+
+### config FEATURE_VOLUMEID_SILICONRAID
+###	bool "silicon raid"
+###	default y
+###	depends on VOLUMEID
+###	help
+###	  TODO
+
+### config FEATURE_VOLUMEID_NVIDIARAID
+###	bool "nvidia raid"
+###	default y
+###	depends on VOLUMEID
+###	help
+###	  TODO
+
+### config FEATURE_VOLUMEID_PROMISERAID
+###	bool "promise raid"
+###	default y
+###	depends on VOLUMEID
+###	help
+###	  TODO
+
+config FEATURE_VOLUMEID_LINUXRAID
+	bool "linuxraid"
+	default y
+	depends on VOLUMEID
+	help
+	  TODO
+
+endmenu
+
 endmenu
diff --git a/util-linux/acpid.c b/util-linux/acpid.c
index 342930964..11a9f624a 100644
--- a/util-linux/acpid.c
+++ b/util-linux/acpid.c
@@ -9,9 +9,25 @@
 #include "libbb.h"
 
 #include <linux/input.h>
+#ifndef EV_SW
+# define EV_SW         0x05
+#endif
+#ifndef EV_KEY
+# define EV_KEY        0x01
+#endif
+#ifndef SW_LID
+# define SW_LID        0x00
+#endif
 #ifndef SW_RFKILL_ALL
-# define SW_RFKILL_ALL 3
+# define SW_RFKILL_ALL 0x03
 #endif
+#ifndef KEY_POWER
+# define KEY_POWER     116     /* SC System Power Down */
+#endif
+#ifndef KEY_SLEEP
+# define KEY_SLEEP     142     /* SC System Sleep */
+#endif
+
 
 /*
  * acpid listens to ACPI events coming either in textual form
diff --git a/util-linux/fdisk.c b/util-linux/fdisk.c
index 7227a829e..aa718c787 100644
--- a/util-linux/fdisk.c
+++ b/util-linux/fdisk.c
@@ -2805,7 +2805,7 @@ list_devs_in_proc_partititons(void)
 				&ma, &mi, &sz, ptname) != 4)
 			continue;
 		for (s = ptname; *s; s++)
-    			continue;
+			continue;
 		/* note: excluding '0': e.g. mmcblk0 is not a partition name! */
 		if (s[-1] >= '1' && s[-1] <= '9')
 			continue;
diff --git a/util-linux/more.c b/util-linux/more.c
index 55694e434..9216b6137 100644
--- a/util-linux/more.c
+++ b/util-linux/more.c
@@ -31,7 +31,7 @@ struct globals {
 
 #define setTermSettings(fd, argp) do { \
 		if (ENABLE_FEATURE_USE_TERMIOS) tcsetattr(fd, TCSANOW, argp); \
-	} while(0)
+	} while (0)
 #define getTermSettings(fd, argp) tcgetattr(fd, argp)
 
 static void gotsig(int sig UNUSED_PARAM)
@@ -46,7 +46,7 @@ static void gotsig(int sig UNUSED_PARAM)
 int more_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int more_main(int argc UNUSED_PARAM, char **argv)
 {
-	int c = c; /* for gcc */
+	int c = c; /* for compiler */
 	int lines;
 	int input = 0;
 	int spaces = 0;