diff options
Diffstat (limited to 'udev/lib/libudev-util.c')
-rw-r--r-- | udev/lib/libudev-util.c | 32 |
1 files changed, 14 insertions, 18 deletions
diff --git a/udev/lib/libudev-util.c b/udev/lib/libudev-util.c index 50eacdd37d..7053a2f825 100644 --- a/udev/lib/libudev-util.c +++ b/udev/lib/libudev-util.c @@ -33,14 +33,13 @@ #include "libudev.h" #include "libudev-private.h" -static ssize_t get_sys_link(struct udev *udev, const char *slink, const char *devpath, char *subsystem, size_t size) +static ssize_t get_sys_link(struct udev *udev, const char *slink, const char *syspath, char *subsystem, size_t size) { char path[UTIL_PATH_SIZE]; ssize_t len; const char *pos; - util_strlcpy(path, udev_get_sys_path(udev), sizeof(path)); - util_strlcat(path, devpath, sizeof(path)); + util_strlcpy(path, syspath, sizeof(path)); util_strlcat(path, "/", sizeof(path)); util_strlcat(path, slink, sizeof(path)); len = readlink(path, path, sizeof(path)); @@ -54,46 +53,43 @@ static ssize_t get_sys_link(struct udev *udev, const char *slink, const char *de return util_strlcpy(subsystem, pos, size); } -ssize_t util_get_sys_subsystem(struct udev *udev, const char *devpath, char *subsystem, size_t size) +ssize_t util_get_sys_subsystem(struct udev *udev, const char *syspath, char *subsystem, size_t size) { - return get_sys_link(udev, "subsystem", devpath, subsystem, size); + return get_sys_link(udev, "subsystem", syspath, subsystem, size); } -ssize_t util_get_sys_driver(struct udev *udev, const char *devpath, char *driver, size_t size) +ssize_t util_get_sys_driver(struct udev *udev, const char *syspath, char *driver, size_t size) { - return get_sys_link(udev, "driver", devpath, driver, size); + return get_sys_link(udev, "driver", syspath, driver, size); } -int util_resolve_sys_link(struct udev *udev, char *devpath, size_t size) +int util_resolve_sys_link(struct udev *udev, char *syspath, size_t size) { - char link_path[UTIL_PATH_SIZE]; char link_target[UTIL_PATH_SIZE]; int len; int i; int back; - util_strlcpy(link_path, udev_get_sys_path(udev), sizeof(link_path)); - util_strlcat(link_path, devpath, sizeof(link_path)); - len = readlink(link_path, link_target, sizeof(link_target)); + len = readlink(syspath, link_target, sizeof(link_target)); if (len <= 0) return -1; link_target[len] = '\0'; - dbg(udev, "path link '%s' points to '%s'\n", devpath, link_target); + dbg(udev, "path link '%s' points to '%s'\n", syspath, link_target); for (back = 0; strncmp(&link_target[back * 3], "../", 3) == 0; back++) ; - dbg(udev, "base '%s', tail '%s', back %i\n", devpath, &link_target[back * 3], back); + dbg(udev, "base '%s', tail '%s', back %i\n", syspath, &link_target[back * 3], back); for (i = 0; i <= back; i++) { - char *pos = strrchr(devpath, '/'); + char *pos = strrchr(syspath, '/'); if (pos == NULL) return -1; pos[0] = '\0'; } - dbg(udev, "after moving back '%s'\n", devpath); - util_strlcat(devpath, "/", size); - util_strlcat(devpath, &link_target[back * 3], size); + dbg(udev, "after moving back '%s'\n", syspath); + util_strlcat(syspath, "/", size); + util_strlcat(syspath, &link_target[back * 3], size); return 0; } |