X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=udev.h;h=5737c84c9d16fec99f1e337426b093522c580278;hp=c82dbebded625ce48f2d05256f7ffe907f2ee0d9;hb=0d1956de0eb112271a1d0d6e189ace3714bf0872;hpb=185a35a403cc37b3943bc68aa61745ff2b6ed17b

diff --git a/udev.h b/udev.h
index c82dbebde..5737c84c9 100644
--- a/udev.h
+++ b/udev.h
@@ -23,48 +23,136 @@
 #ifndef UDEV_H
 #define UDEV_H
 
+#include <stdlib.h>
+#include <string.h>
+#include <sysfs/libsysfs.h>
+#include <stddef.h>
+#include <sys/param.h>
 
-#ifdef DEBUG
-#include <syslog.h>
-#define dbg(format, arg...)								\
-	do {										\
-		log_message (LOG_DEBUG , "%s: " format , __FUNCTION__ , ## arg);	\
-	} while (0)
-#else
-	#define dbg(format, arg...) do { } while (0)
-#endif
-
-
-/* Lots of constants that should be in a config file sometime */
-
-/* Location of sysfs mount */
-#define SYSFS_ROOT	"/sys"
-
-/* Where udev should create its device nodes, trailing / needed */
-#define UDEV_ROOT	"/udev/"
-
-/* device file in sysfs that contains major/minor number, leading / needed */
-#define DEV_FILE	"/dev"
-
-/* Binaries that udev calls to do stuff */
-#define MKNOD		"/bin/mknod"
-
-extern int log_message (int level, const char *format, ...)
-	__attribute__ ((format (printf, 2, 3)));
+#define COMMENT_CHARACTER		'#'
 
 #define NAME_SIZE	100
 #define OWNER_SIZE	30
 #define GROUP_SIZE	30
+#define MODE_SIZE	8
 
-struct device_attr {
-	int major;
-	int minor;
-	int mode;
+#define ACTION_SIZE	30
+#define DEVPATH_SIZE	255
+#define SUBSYSTEM_SIZE	30
+
+/* length of public data */
+#define UDEVICE_LEN (offsetof(struct udevice, bus_id))
+
+struct udevice {
 	char name[NAME_SIZE];
 	char owner[OWNER_SIZE];
 	char group[GROUP_SIZE];
+	char type;
+	int major;
+	int minor;
+	unsigned int mode;	/* not mode_t due to conflicting definitions in different libcs */
+	char symlink[NAME_SIZE];
+	int partitions;
+
+	/* private data that help us in building strings */
+	char bus_id[SYSFS_NAME_LEN];
+	char program_result[NAME_SIZE];
+	char kernel_number[NAME_SIZE];
+	char kernel_name[NAME_SIZE];
 };
 
+#define strfieldcpy(to, from) \
+do { \
+	to[sizeof(to)-1] = '\0'; \
+	strncpy(to, from, sizeof(to)-1); \
+} while (0)
 
-#endif
+#define strfieldcat(to, from) \
+do { \
+	to[sizeof(to)-1] = '\0'; \
+	strncat(to, from, sizeof(to) - strlen(to)-1); \
+} while (0)
+
+#define strnfieldcpy(to, from, maxsize) \
+do { \
+	to[maxsize-1] = '\0'; \
+	strncpy(to, from, maxsize-1); \
+} while (0)
 
+#define strnfieldcat(to, from, maxsize) \
+do { \
+	to[maxsize-1] = '\0'; \
+	strncat(to, from, maxsize - strlen(to)-1); \
+} while (0)
+
+#define strintcat(to, i) \
+do { \
+	to[sizeof(to)-1] = '\0'; \
+	snprintf((to) + strlen(to), sizeof(to) - strlen(to)-1, "%u", i); \
+} while (0)
+
+#define strnintcat(to, i, maxsize) \
+do { \
+	to[maxsize-1] = '\0'; \
+	snprintf((to) + strlen(to), maxsize - strlen(to)-1, "%u", i); \
+} while (0)
+
+static inline char *get_action(void)
+{
+	char *action;
+
+	action = getenv("ACTION");
+	if (action != NULL && strlen(action) > ACTION_SIZE)
+		action[ACTION_SIZE-1] = '\0';
+
+	return action;
+}
+
+static inline char *get_devpath(void)
+{
+	char *devpath;
+
+	devpath = getenv("DEVPATH");
+	if (devpath != NULL && strlen(devpath) > DEVPATH_SIZE)
+		devpath[DEVPATH_SIZE-1] = '\0';
+
+	return devpath;
+}
+
+static inline char *get_seqnum(void)
+{
+	char *seqnum;
+
+	seqnum = getenv("SEQNUM");
+
+	return seqnum;
+}
+
+static inline char *get_subsystem(char *subsystem)
+{
+	if (subsystem != NULL && strlen(subsystem) > SUBSYSTEM_SIZE)
+		subsystem[SUBSYSTEM_SIZE-1] = '\0';
+
+	return 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);
+
+extern char **main_argv;
+extern char **main_envp;
+extern char sysfs_path[SYSFS_PATH_MAX];
+extern char udev_root[PATH_MAX];
+extern char udev_db_filename[PATH_MAX+NAME_MAX];
+extern char udev_permissions_filename[PATH_MAX+NAME_MAX];
+extern char udev_config_filename[PATH_MAX+NAME_MAX];
+extern char udev_rules_filename[PATH_MAX+NAME_MAX];
+extern char default_mode_str[MODE_SIZE];
+extern char default_owner_str[OWNER_SIZE];
+extern char default_group_str[GROUP_SIZE];
+extern int udev_log;
+extern int udev_sleep;
+
+#endif