libfdisk: (dos) add ID related debug messages

Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/libfdisk/src/dos.c b/libfdisk/src/dos.c
index 69090706a87acec8834f4fdfd7f950cbdbf6c4b4..11946b38cbb262e5d28e9f2bbc935d7400cbe274 100644 (file)
--- a/libfdisk/src/dos.c
+++ b/libfdisk/src/dos.c
@@ -640,14 +640,19 @@ static int dos_create_disklabel(struct fdisk_context *cxt)
                if (s) {
                        errno = 0;
                        id = strtol(s, &end, 16);
-                       if (!errno && end && s < end)
+                       if (!errno && end && s < end) {
                                has_id = 1;
+                               DBG(LABEL, ul_debug("DOS: re-use ID from script (0x%08x)", id));
+                       } else
+                               DBG(LABEL, ul_debug("DOS: failed to parse label=id '%s'", s));
                }
        }
 
        /* random disk signature */
-       if (!has_id)
+       if (!has_id) {
+               DBG(LABEL, ul_debug("DOS: generate new ID"));
                random_get_bytes(&id, sizeof(id));
+       }
 
        if (fdisk_has_protected_bootbits(cxt))
                rc = fdisk_init_firstsector_buffer(cxt, 0, MBR_PT_BOOTBITS_SIZE);