add strerror() to error logs

[elogind.git] / udev_libc_wrapper.c

diff --git a/udev_libc_wrapper.c b/udev_libc_wrapper.c
index 4e9f9f1fe87108625ae539fbf4823a8a1b061ed4..a7a8c5342d481e53fe38842afe91d60eba90db0c 100644 (file)
--- a/udev_libc_wrapper.c
+++ b/udev_libc_wrapper.c
@@ -144,7 +144,7 @@ static unsigned long get_id_by_name(const char *uname, const char *dbfile)
        char *tail;
 
        if (file_map(dbfile, &buf, &bufsize) != 0) {
-               dbg("can't open '%s' as db file", dbfile);
+               dbg("can't open '%s' as db file: %s", dbfile, strerror(errno));
                return 0;
        }
        dbg("search '%s' in '%s'", uname, dbfile);