[PATCH] add udevtest program to build

Also fix up some other dependancy issues in the Makefile.
Thanks to Olaf Hering <olh@suse.de> for pointing them out.

Makefile

@@ -34,6 +34,7 @@ ROOT =		udev
 DAEMON =	udevd
 SENDER =	udevsend
 HELPER =	udevinfo
+TESTER =	udevtest
 VERSION =	016_bk
 INSTALL_DIR =	/usr/local/bin
 RELEASE_NAME =	$(ROOT)-$(VERSION)
@@ -168,7 +169,7 @@ endif
 
 CFLAGS += -I$(PWD)/libsysfs
 
-all: $(ROOT) $(SENDER) $(DAEMON) $(HELPER)
+all: $(ROOT) $(SENDER) $(DAEMON) $(HELPER) $(TESTER)
 	@extras="$(EXTRAS)" ; for target in $$extras ; do \
 		echo $$target ; \
 		$(MAKE) prefix=$(prefix) \
@@ -178,8 +179,6 @@ all: $(ROOT) $(SENDER) $(DAEMON) $(HELPER)
 			-C $$target $@ ; \
 	done ; \
 
-$(ROOT): $(LIBC)
-
 $(ARCH_LIB_OBJS) : $(CRT0)
 
 $(CRT0):
@@ -250,21 +249,29 @@ $(LOCAL_CFG_DIR)/udev.conf:
 
 
 $(OBJS): $(GEN_HEADERS)
-udev.o: $(GEN_HEADERS)
+$(ROOT).o: $(GEN_HEADERS)
+$(TESTER).o: $(GEN_HEADERS)
+$(HELPER).o: $(GEN_HEADERS)
+$(DAEMON).o: $(GEN_HEADERS)
+$(SENDER).o: $(GEN_HEADERS)
 
-$(ROOT): udev.o $(OBJS) $(HEADERS) $(GEN_HEADERS)
+$(ROOT): $(ROOT).o $(OBJS) $(HEADERS) $(LIBC)
 	$(LD) $(LDFLAGS) -o $@ $(CRT0) udev.o $(OBJS) $(LIB_OBJS) $(ARCH_LIB_OBJS)
 	$(STRIPCMD) $@
 
-$(HELPER): $(HEADERS) udevinfo.o $(OBJS)
+$(TESTER): $(TESTER).o $(OBJS) $(HEADERS) $(LIBC)
+	$(LD) $(LDFLAGS) -o $@ $(CRT0) udevtest.o $(OBJS) $(LIB_OBJS) $(ARCH_LIB_OBJS)
+	$(STRIPCMD) $@
+
+$(HELPER): $(HELPER).o $(OBJS) $(HEADERS) $(LIBC)
 	$(LD) $(LDFLAGS) -o $@ $(CRT0) udevinfo.o udev_config.o udevdb.o $(SYSFS) $(TDB) $(LIB_OBJS) $(ARCH_LIB_OBJS)
 	$(STRIPCMD) $@
 
-$(DAEMON): udevd.h $(GEN_HEADERS) udevd.o
+$(DAEMON): $(DAEMON).o udevd.h $(LIBC)
 	$(LD) $(LDFLAGS) -o $@ $(CRT0) udevd.o $(LIB_OBJS) $(ARCH_LIB_OBJS)
 	$(STRIPCMD) $@
 
-$(SENDER): udevd.h $(GEN_HEADERS) udevsend.o
+$(SENDER): $(SENDER).o udevd.h $(LIBC)
 	$(LD) $(LDFLAGS) -o $@ $(CRT0) udevsend.o $(LIB_OBJS) $(ARCH_LIB_OBJS)
 	$(STRIPCMD) $@
 

udev-add.c

@@ -99,7 +99,7 @@ static int create_path(char *file)
 	return 0;
 }
 
-static int create_node(struct udevice *dev)
+static int create_node(struct udevice *dev, int fake)
 {
 	struct stat stats;
 	char filename[255];
@@ -137,16 +137,20 @@ static int create_node(struct udevice *dev)
 
 	info("creating device node '%s'", filename);
 	dbg("mknod(%s, %#o, %u, %u)", filename, dev->mode, dev->major, dev->minor);
-	retval = mknod(filename, dev->mode, makedev(dev->major, dev->minor));
-	if (retval != 0)
-		dbg("mknod(%s, %#o, %u, %u) failed with error '%s'",
-		    filename, dev->mode, dev->major, dev->minor, strerror(errno));
+	if (!fake) {
+		retval = mknod(filename, dev->mode, makedev(dev->major, dev->minor));
+		if (retval != 0)
+			dbg("mknod(%s, %#o, %u, %u) failed with error '%s'",
+			    filename, dev->mode, dev->major, dev->minor, strerror(errno));
+	}
 
 	dbg("chmod(%s, %#o)", filename, dev->mode);
-	retval = chmod(filename, dev->mode);
-	if (retval != 0)
-		dbg("chmod(%s, %#o) failed with error '%s'",
-		    filename, dev->mode, strerror(errno));
+	if (!fake) {
+		retval = chmod(filename, dev->mode);
+		if (retval != 0)
+			dbg("chmod(%s, %#o) failed with error '%s'",
+			    filename, dev->mode, strerror(errno));
+	}
 
 	if (dev->owner[0] != '\0') {
 		char *endptr;
@@ -195,8 +199,9 @@ static int create_node(struct udevice *dev)
 			strncpy(filename, udev_root, sizeof(filename));
 			strncat(filename, linkname, sizeof(filename));
 			dbg("symlink '%s' to node '%s' requested", filename, dev->name);
-			if (strrchr(linkname, '/'))
-				create_path(filename);
+			if (!fake)
+				if (strrchr(linkname, '/'))
+					create_path(filename);
 
 			/* optimize relative link */
 			linktarget[0] = '\0';
@@ -219,7 +224,7 @@ static int create_node(struct udevice *dev)
 
 			/* unlink existing non-directories to ensure that our symlink
 			 * is created */
-			if (lstat(filename, &stats) == 0) {
+			if (!fake && (lstat(filename, &stats) == 0)) {
 				if ((stats.st_mode & S_IFMT) != S_IFDIR) {
 					if (unlink(filename))
 						dbg("unlink(%s) failed with error '%s'",
@@ -228,10 +233,12 @@ static int create_node(struct udevice *dev)
 			}
 
 			dbg("symlink(%s, %s)", linktarget, filename);
-			retval = symlink(linktarget, filename);
-			if (retval != 0)
-				dbg("symlink(%s, %s) failed with error '%s'",
-				    linktarget, filename, strerror(errno));
+			if (!fake) {
+				retval = symlink(linktarget, filename);
+				if (retval != 0)
+					dbg("symlink(%s, %s) failed with error '%s'",
+					    linktarget, filename, strerror(errno));
+			}
 		}
 	}
 
@@ -289,7 +296,7 @@ exit:
 	return retval;
 }
 
-int udev_add_device(char *path, char *subsystem)
+int udev_add_device(char *path, char *subsystem, int fake)
 {
 	struct sysfs_class_device *class_dev = NULL;
 	struct udevice dev;
@@ -321,15 +328,18 @@ int udev_add_device(char *path, char *subsystem)
 	if (retval != 0)
 		goto exit;
 
-	retval = udevdb_add_dev(path, &dev);
-	if (retval != 0)
-		dbg("udevdb_add_dev failed, but we are going to try to create the node anyway. "
-		    "But remove might not work properly for this device.");
+	if (!fake) {
+		retval = udevdb_add_dev(path, &dev);
+		if (retval != 0)
+			dbg("udevdb_add_dev failed, but we are going to try "
+			    "to create the node anyway. But remove might not "
+			    "work properly for this device.");
 
+	}
 	dbg("name='%s'", dev.name);
-	retval = create_node(&dev);
+	retval = create_node(&dev, fake);
 
-	if (retval == 0)
+	if ((retval == 0) && (!fake))
 		sysbus_send_create(&dev, path);
 
 exit:

udev.c

@@ -164,7 +164,7 @@ static int udev_hotplug(int argc, char **argv)
 	namedev_init();
 
 	if (strcmp(action, "add") == 0)
-		retval = udev_add_device(devpath, subsystem);
+		retval = udev_add_device(devpath, subsystem, 0);
 
 	else if (strcmp(action, "remove") == 0)
 		retval = udev_remove_device(devpath, subsystem);

udev.h

@@ -56,7 +56,7 @@ do { \
 	strncpy(to, from, sizeof(to)-1); \
 } while (0)
 
-extern int udev_add_device(char *path, char *subsystem);
+extern int udev_add_device(char *path, char *subsystem, int fake);
 extern int udev_remove_device(char *path, char *subsystem);
 extern void udev_init_config(void);
 extern int parse_get_pair(char **orig_string, char **left, char **right);

udevtest.c

@@ -29,10 +29,8 @@
 
 #include "udev.h"
 #include "udev_version.h"
-#include "udev_dbus.h"
 #include "logging.h"
 #include "namedev.h"
-#include "udevdb.h"
 #include "libsysfs/libsysfs.h"
 
 /* global variables */
@@ -45,12 +43,15 @@ void log_message (int level, const char *format, ...)
 {
 	va_list	args;
 
-	if (!udev_log)
-		return;
+//	if (!udev_log)
+//		return;
 
+	/* FIXME use level... */
 	va_start(args, format);
-	vsyslog(level, format, args);
+	vprintf(format, args);
 	va_end(args);
+	if (format[strlen(format)-1] != '\n')
+		printf("\n");
 }
 #endif
 
@@ -59,8 +60,6 @@ static void sig_handler(int signum)
 	switch (signum) {
 		case SIGINT:
 		case SIGTERM:
-			sysbus_disconnect();
-			udevdb_exit();
 			exit(20 + signum);
 		default:
 			dbg("unhandled signal");
@@ -102,22 +101,15 @@ static char *subsystem_blacklist[] = {
 
 static int udev_hotplug(int argc, char **argv)
 {
-	char *action;
 	char *devpath;
 	char *subsystem;
 	int retval = -EINVAL;
 	int i;
 	struct sigaction act;
 
-	action = get_action();
-	if (!action) {
-		dbg ("no action?");
-		goto exit;
-	}
-
-	devpath = get_devpath();
+	devpath = argv[1];
 	if (!devpath) {
-		dbg ("no devpath?");
+		dbg("no devpath?");
 		goto exit;
 	}
 	dbg("looking at '%s'", devpath);
@@ -140,19 +132,9 @@ static int udev_hotplug(int argc, char **argv)
 		i++;
 	}
 
-	/* connect to the system message bus */
-	sysbus_connect();
-
 	/* initialize our configuration */
 	udev_init_config();
 
-	/* initialize udev database */
-	retval = udevdb_init(UDEVDB_DEFAULT);
-	if (retval != 0) {
-		dbg("unable to initialize database");
-		goto exit_sysbus;
-	}
-
 	/* set up a default signal handler for now */
 	act.sa_handler = sig_handler;
 	sigemptyset (&act.sa_mask);
@@ -163,21 +145,7 @@ static int udev_hotplug(int argc, char **argv)
 	/* initialize the naming deamon */
 	namedev_init();
 
-	if (strcmp(action, "add") == 0)
-		retval = udev_add_device(devpath, subsystem);
-
-	else if (strcmp(action, "remove") == 0)
-		retval = udev_remove_device(devpath, subsystem);
-
-	else {
-		dbg("unknown action '%s'", action);
-		retval = -EINVAL;
-	}
-	udevdb_exit();
-
-exit_sysbus:
-	/* disconnect from the system message bus */
-	sysbus_disconnect();
+	retval = udev_add_device(devpath, subsystem, 1);
 
 exit:
 	if (retval > 0)
@@ -191,7 +159,6 @@ int main(int argc, char **argv, char **envp)
 	main_argv = argv;
 	main_envp = envp;
 
-	init_logging("udev");
 	dbg("version %s", UDEV_VERSION);
 
 	return udev_hotplug(argc, argv);