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authorkay.sievers@vrfy.org <kay.sievers@vrfy.org>2005-02-25 07:40:14 +0100
committerGreg KH <gregkh@suse.de>2005-04-26 23:39:48 -0700
commit9fe1a96d88b304af5f3315197800f6b3d16675e1 (patch)
tree75c7549c463a73342938035599686fb5d2d320b9 /udev_db.c
parentf8a178a35b8dee2ee46a3de298345aa4faa8f41e (diff)
[PATCH] udevinfo: print devpath -> node relationship for all devices
Diffstat (limited to 'udev_db.c')
-rw-r--r--udev_db.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/udev_db.c b/udev_db.c
index 61d4b130d3..4515998fcd 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;
+}