X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=udev.h;h=3b676acf40d99ab1a7a137dbbe49804b80f6ecde;hp=108623e0597eca6515689bc60c0ef1ce47e987ac;hb=1373b381d0881dba99b2f2654856d28ac0a70fda;hpb=51a8bb2f361d86013e7579570faba446eed9c66d diff --git a/udev.h b/udev.h index 108623e05..3b676acf4 100644 --- a/udev.h +++ b/udev.h @@ -23,7 +23,10 @@ #ifndef UDEV_H #define UDEV_H -#include "libsysfs/libsysfs.h" +#include +#include +#include +#include #include #define COMMENT_CHARACTER '#' @@ -33,6 +36,13 @@ #define GROUP_SIZE 30 #define MODE_SIZE 8 +#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]; @@ -40,14 +50,15 @@ struct udevice { char type; int major; int minor; - mode_t mode; + unsigned int mode; /* not mode_t due to conflicting definitions in different libcs */ char symlink[NAME_SIZE]; + int partitions; - /* fields that help us in building strings */ - unsigned char bus_id[SYSFS_NAME_LEN]; - unsigned char program_result[NAME_SIZE]; - unsigned char kernel_number[NAME_SIZE]; - unsigned char kernel_name[NAME_SIZE]; + /* 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) \ @@ -56,7 +67,64 @@ do { \ strncpy(to, from, sizeof(to)-1); \ } while (0) -extern int udev_add_device(char *path, char *subsystem); +#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) + +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); @@ -73,5 +141,6 @@ 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