[PATCH] put config files and database in /etc/udev by default

Can be overridden on the makefile line.

Makefile

@@ -22,10 +22,16 @@ DEBUG = true
 
 
 ROOT =		udev
-VERSION =	0.2
+VERSION =	003
 INSTALL_DIR =	/usr/local/bin
 RELEASE_NAME =	$(ROOT)-$(VERSION)
 
+# override this to make udev look in a different location for it's config files
+PREFIX =
+CONFIG_DIR = $(PREFIX)/etc/udev/
+
+# place to put our device nodes
+UDEV_DIR = /udev/
 
 # Comment out this line to build with something other 
 # than the local version of klibc
@@ -135,7 +141,9 @@ GEN_HEADERS =	udev_version.h
 
 # Rules on how to create the generated header files
 udev_version.h:
-	@echo \#define UDEV_VERSION \"$(VERSION)\" > $@
+	@echo \#define UDEV_VERSION	\"$(VERSION)\" > $@
+	@echo \#define UDEV_CONFIG_DIR	\"$(CONFIG_DIR)\" >> $@
+	@echo \#define UDEV_ROOT	\"$(UDEV_DIR)\" >> $@
 
 
 $(ROOT): $(GEN_HEADERS) $(OBJS) $(LIBSYSFS) $(TDB)
@@ -151,7 +159,7 @@ clean:
 	$(MAKE) -C libsysfs clean
 	$(MAKE) -C tdb clean
 
-DISTFILES = $(shell find . \( -not -name '.' \) -print | grep -v CVS | grep -v "\.tar\.gz" | grep -v "\/\." | grep -v releases | grep -v BitKeeper | grep -v SCCS )
+DISTFILES = $(shell find . \( -not -name '.' \) -print | grep -v CVS | grep -v "\.tar\.gz" | grep -v "\/\." | grep -v releases | grep -v BitKeeper | grep -v SCCS | grep -v ".tdb" )
 DISTDIR := $(RELEASE_NAME)
 srcdir = .
 release: $(DISTFILES) clean

namedev.h

@@ -30,7 +30,6 @@ struct sysfs_class_device;
 
 /* namedev config files */
 #define COMMENT_CHARACTER		'#'
-#define NAMEDEV_CONFIG_ROOT		"/home/greg/src/udev/"
 #define NAMEDEV_CONFIG_PERMISSION_FILE	"namedev.permissions"
 #define NAMEDEV_CONFIG_FILE		"namedev.config"
 

udev.h

@@ -34,15 +34,23 @@
 	#define dbg(format, arg...) do { } while (0)
 #endif
 
+/* Parser needs it's own debugging statement, we usually don't care about this at all */
+#ifdef DEBUG_PARSER
+#define dbg_parse(format, arg...)							\
+	do {										\
+		log_message (LOG_DEBUG , "%s: " format , __FUNCTION__ , ## arg);	\
+	} while (0)
+#else
+	#define dbg_parse(format, arg...) do { } while (0)
+#endif
 
-/* Lots of constants that should be in a config file sometime */
-
-/* Where udev should create its device nodes, trailing / needed */
-#define UDEV_ROOT	"/udev/"
 
 extern int log_message (int level, const char *format, ...)
 	__attribute__ ((format (printf, 2, 3)));
 
+
+/* Lots of constants that should be in a config file sometime */
+
 #define NAME_SIZE	100
 #define OWNER_SIZE	30
 #define GROUP_SIZE	30

udevdb.c

@@ -9,6 +9,9 @@
 #include <errno.h>
 #include <signal.h>
 
+#include "udev_version.h"
+#include "udev.h"
+#include "namedev.h"
 #include "udevdb.h"
 #include "tdb/tdb.h"
 
@@ -63,9 +66,14 @@ static void udevdb_close(void)
  */
 static int udevdb_open(int method)
 {
-	udevdb = tdb_open(UDEVDB, 0, method, O_RDWR | O_CREAT, 0644);
+	udevdb = tdb_open(UDEV_CONFIG_DIR UDEV_DB, 0, method, O_RDWR | O_CREAT, 0644);
-	if (udevdb == NULL)
+	if (udevdb == NULL) {
-		return -1;
+		if (method == UDEVDB_INTERNAL)
+			dbg("Unable to initialize in-memory database");
+		else
+			dbg("Unable to initialize database at %s", UDEV_CONFIG_DIR UDEV_DB);
+		return -EINVAL;
+	}
 	return 0;
 }
 

udevdb.h

@@ -4,10 +4,7 @@
 #ifndef _UDEVDB_H_
 #define _UDEVDB_H_
 
-#include "namedev.h"
+#define UDEV_DB		"udevdb.tdb" 
-#include "udev.h"
-
-#define UDEVDB		"/home/greg/src/udev/udevdb.tdb" 
 
 #define PATH_SIZE	256