X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=udev_db.c;h=4515998fcd8c311fa950f63142269567c5d939cf;hp=61d4b130d35f0e64aeb82b3189deaf108a5d346a;hb=9fe1a96d88b304af5f3315197800f6b3d16675e1;hpb=f8a178a35b8dee2ee46a3de298345aa4faa8f41e

diff --git a/udev_db.c b/udev_db.c
index 61d4b130d..4515998fc 100644
--- a/udev_db.c
+++ b/udev_db.c
@@ -239,3 +239,38 @@ found:
 
 	return 0;
 }
+
+int udev_db_call_foreach(int (*handler_function)(struct udevice *udev))
+{
+	struct dirent *ent;
+	DIR *dir;
+	char filename[NAME_SIZE];
+	struct udevice db_udev;
+
+	dir = opendir(udev_db_path);
+	if (dir == NULL) {
+		dbg("unable to udev db '%s'", udev_db_path);
+		return -1;
+	}
+
+	while (1) {
+		ent = readdir(dir);
+		if (ent == NULL || ent->d_name[0] == '\0')
+			break;
+
+		if (ent->d_name[0] == '.')
+			continue;
+
+		snprintf(filename, NAME_SIZE, "%s/%s", udev_db_path, ent->d_name);
+		filename[NAME_SIZE-1] = '\0';
+
+		memset(&db_udev, 0x00, sizeof(struct udevice));
+		if (parse_db_file(&db_udev, filename) == 0) {
+			if (handler_function(&db_udev) != 0)
+				break;
+		}
+	}
+
+	closedir(dir);
+	return 0;
+}