From 38a33f91c0a46f51d07900731245492a3b244ae4 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Mon, 9 May 2005 22:13:22 +0000 Subject: import more libs to prep for new e2fsprogs --- e2fsprogs/uuid/isnull.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 e2fsprogs/uuid/isnull.c (limited to 'e2fsprogs/uuid/isnull.c') diff --git a/e2fsprogs/uuid/isnull.c b/e2fsprogs/uuid/isnull.c new file mode 100644 index 000000000..54a830038 --- /dev/null +++ b/e2fsprogs/uuid/isnull.c @@ -0,0 +1,48 @@ +/* + * isnull.c --- Check whether or not the UUID is null + * + * Copyright (C) 1996, 1997 Theodore Ts'o. + * + * %Begin-Header% + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, and the entire permission notice in its entirety, + * including the disclaimer of warranties. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote + * products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF + * WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT + * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + * USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * %End-Header% + */ + +#include "uuidP.h" + +/* Returns 1 if the uuid is the NULL uuid */ +int uuid_is_null(const uuid_t uu) +{ + const unsigned char *cp; + int i; + + for (i=0, cp = uu; i < 16; i++) + if (*cp++) + return 0; + return 1; +} + -- cgit v1.2.3