From c6478ec1e128f0a92c2123ed110a651b88d43569 Mon Sep 17 00:00:00 2001
From: "kay.sievers@vrfy.org" <kay.sievers@vrfy.org>
Date: Fri, 12 Nov 2004 06:17:35 +0100
Subject: [PATCH] [PATCH] add ACTION to udev object to expose it to the whole
 process

---
 udev.c      |  8 ++++----
 udev.h      |  5 +++--
 udev_lib.c  | 54 +++--------------------------------------------------
 udev_lib.h  |  8 ++------
 udevstart.c |  2 +-
 udevtest.c  |  2 +-
 6 files changed, 14 insertions(+), 65 deletions(-)

diff --git a/udev.c b/udev.c
index b5489666..480a1cdc 100644
--- a/udev.c
+++ b/udev.c
@@ -94,9 +94,9 @@ int main(int argc, char *argv[], char *envp[])
 	if (strstr(argv[0], "udevstart") || (argv[1] != NULL && strstr(argv[1], "udevstart"))) {
 		act_type = UDEVSTART;
 	} else {
-		const char *action = get_action();
-		const char *devpath = get_devpath();
-		const char *subsystem = get_subsystem(main_argv[1]);
+		const char *action = getenv("ACTION");
+		const char *devpath = getenv("DEVPATH");
+		const char *subsystem = argv[1];
 
 		if (!action) {
 			dbg("no action?");
@@ -128,7 +128,7 @@ int main(int argc, char *argv[], char *envp[])
 			goto exit;
 		}
 
-		udev_set_values(&udev, devpath, subsystem);
+		udev_set_values(&udev, devpath, subsystem, action);
 
 		/* skip blacklisted subsystems */
 		if (udev.type != 'n' && subsystem_expect_no_dev(subsystem)) {
diff --git a/udev.h b/udev.h
index 1cf4ad7e..3f9f2c86 100644
--- a/udev.h
+++ b/udev.h
@@ -30,8 +30,8 @@
 #define COMMENT_CHARACTER		'#'
 
 #define NAME_SIZE			256
-#define OWNER_SIZE			30
-#define GROUP_SIZE			30
+#define OWNER_SIZE			32
+#define GROUP_SIZE			32
 #define MODE_SIZE			8
 
 #define ACTION_SIZE			32
@@ -44,6 +44,7 @@
 struct udevice {
 	char devpath[DEVPATH_SIZE];
 	char subsystem[SUBSYSTEM_SIZE];
+	char action[ACTION_SIZE];
 	char name[NAME_SIZE];
 	char owner[OWNER_SIZE];
 	char group[GROUP_SIZE];
diff --git a/udev_lib.c b/udev_lib.c
index 7fb45f0b..951d36b1 100644
--- a/udev_lib.c
+++ b/udev_lib.c
@@ -35,56 +35,6 @@
 #include "list.h"
 
 
-char *get_action(void)
-{
-	char *action;
-
-	action = getenv("ACTION");
-	if (action != NULL && strlen(action) > ACTION_SIZE)
-		action[ACTION_SIZE-1] = '\0';
-
-	return action;
-}
-
-char *get_devpath(void)
-{
-	char *devpath;
-
-	devpath = getenv("DEVPATH");
-	if (devpath != NULL && strlen(devpath) > DEVPATH_SIZE)
-		devpath[DEVPATH_SIZE-1] = '\0';
-
-	return devpath;
-}
-
-char *get_devname(void)
-{
-	char *devname;
-
-	devname = getenv("DEVNAME");
-	if (devname != NULL && strlen(devname) > NAME_SIZE)
-		devname[NAME_SIZE-1] = '\0';
-
-	return devname;
-}
-
-char *get_seqnum(void)
-{
-	char *seqnum;
-
-	seqnum = getenv("SEQNUM");
-
-	return seqnum;
-}
-
-char *get_subsystem(char *subsystem)
-{
-	if (subsystem != NULL && strlen(subsystem) > SUBSYSTEM_SIZE)
-		subsystem[SUBSYSTEM_SIZE-1] = '\0';
-
-	return subsystem;
-}
-
 #define BLOCK_PATH		"/block/"
 #define CLASS_PATH		"/class/"
 #define NET_PATH		"/class/net/"
@@ -112,11 +62,13 @@ char get_device_type(const char *path, const char *subsystem)
 	return '\0';
 }
 
-void udev_set_values(struct udevice *udev, const char* devpath, const char *subsystem)
+void udev_set_values(struct udevice *udev, const char* devpath,
+		     const char *subsystem, const char* action)
 {
 	memset(udev, 0x00, sizeof(struct udevice));
 	strfieldcpy(udev->devpath, devpath);
 	strfieldcpy(udev->subsystem, subsystem);
+	strfieldcpy(udev->action, action);
 	udev->type = get_device_type(devpath, subsystem);
 }
 
diff --git a/udev_lib.h b/udev_lib.h
index 94649b64..30d83946 100644
--- a/udev_lib.h
+++ b/udev_lib.h
@@ -76,13 +76,9 @@ do { \
 # define asmlinkage	/* nothing */
 #endif
 
-extern char *get_action(void);
-extern char *get_devpath(void);
-extern char *get_devname(void);
-extern char *get_seqnum(void);
-extern char *get_subsystem(char *subsystem);
 extern char get_device_type(const char *path, const char *subsystem);
-extern void udev_set_values(struct udevice *udev, const char* devpath, const char *subsystem);
+extern void udev_set_values(struct udevice *udev, const char* devpath,
+			    const char *subsystem, const char* action);
 extern int create_path(const char *path);
 extern int file_map(const char *filename, char **buf, size_t *bufsize);
 extern void file_unmap(char *buf, size_t bufsize);
diff --git a/udevstart.c b/udevstart.c
index fd490f07..e05680aa 100644
--- a/udevstart.c
+++ b/udevstart.c
@@ -110,7 +110,7 @@ static int add_device(char *devpath, char *subsystem)
 		return -ENODEV;
 	}
 
-	udev_set_values(&udev, devpath, subsystem);
+	udev_set_values(&udev, devpath, subsystem, "add");
 	udev_add_device(&udev, class_dev);
 
 	/* run scripts */
diff --git a/udevtest.c b/udevtest.c
index 8af2120f..e67af0df 100644
--- a/udevtest.c
+++ b/udevtest.c
@@ -103,7 +103,7 @@ int main(int argc, char *argv[], char *envp[])
 		subsystem = argv[2];
 
 	/* fill in values and test_run flag*/
-	udev_set_values(&udev, devpath, subsystem);
+	udev_set_values(&udev, devpath, subsystem, "add");
 
 	/* open the device */
 	snprintf(path, SYSFS_PATH_MAX, "%s%s", sysfs_path, udev.devpath);
-- 
2.39.5