[PATCH] udev - safer string handling - part two

[elogind.git] / udev.h

diff --git a/udev.h b/udev.h
index fb35cad49ac608fb02eef055ce4abdc3de1df967..0ce010f3c49071131795f70a0873c02fba3d9428 100644 (file)
--- a/udev.h
+++ b/udev.h
@@ -23,34 +23,79 @@
 #ifndef UDEV_H
 #define UDEV_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
+#define COMMENT_CHARACTER              '#'
 
+#define NAME_SIZE      100
+#define OWNER_SIZE     30
+#define GROUP_SIZE     30
+#define MODE_SIZE      8
 
-/* Lots of constants that should be in a config file sometime */
+/* length of public data */
+#define UDEVICE_LEN (offsetof(struct udevice, bus_id))
 
-/* Location of sysfs mount */
-#define SYSFS_ROOT     "/sys"
+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;
 
-/* Where udev should create its device nodes, trailing / needed */
-#define UDEV_ROOT      "/udev/"
+       /* 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];
+};
 
-/* device file in sysfs that contains major/minor number, leading / needed */
-#define DEV_FILE       "/dev"
+#define strfieldcpy(to, from) \
+do { \
+       to[sizeof(to)-1] = '\0'; \
+       strncpy(to, from, sizeof(to)-1); \
+} while (0)
 
-/* Binaries that udev calls to do stuff */
-#define MKNOD          "/bin/mknod"
+#define strfieldcat(to, from) \
+do { \
+       to[sizeof(to)-1] = '\0'; \
+       strncat(to, from, sizeof(to) - strlen(to)-1); \
+} while (0)
 
-extern int log_message (int level, const char *format, ...);
+#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)
 
-#endif
+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