BTW there is another of these warnings left, see below. I'm not sure here what to do. Note, it's pssible to silent this warning also by _using_ snprintf's return value. ../libblkid/src/partitions/partitions.c:1371:45: warning: '%02x' directive output may be truncated writing between 2 and 8 bytes into a region of size between 0 and 36 [-Wformat-truncation=] snprintf(par->uuid, sizeof(par->uuid), "%s-%02x", ^~~~ ../libblkid/src/partitions/partitions.c:1371:41: note: using the range [0, 4294967295] for directive argument snprintf(par->uuid, sizeof(par->uuid), "%s-%02x", ^~~~~~~~~ ../libblkid/src/partitions/partitions.c:1371:2: note: 'snprintf' output between 4 and 46 bytes into a destination of size 37 snprintf(par->uuid, sizeof(par->uuid), "%s-%02x", ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ par->tab->id, par->partno); ~~~~~~~~~~~~~~~~~~~~~~~~~~ -- To unsubscribe from this list: send the line "unsubscribe util-linux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html