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authorMike Frysinger <vapier@gentoo.org>2005-06-11 00:36:04 +0000
committerMike Frysinger <vapier@gentoo.org>2005-06-11 00:36:04 +0000
commitcae717e1f6e9615313663558bf7edbba6c758e90 (patch)
treea9a8d79326e3c1222858c9d3b9cd88fc6deece47 /e2fsprogs/uuid
parentf3d28845f845b64410e292e93e385bb072bf5143 (diff)
downloadbusybox-cae717e1f6e9615313663558bf7edbba6c758e90.tar.gz
replace simple is_null func with a memcmp define
Diffstat (limited to 'e2fsprogs/uuid')
-rw-r--r--e2fsprogs/uuid/isnull.c48
-rw-r--r--e2fsprogs/uuid/uuid.h7
2 files changed, 4 insertions, 51 deletions
diff --git a/e2fsprogs/uuid/isnull.c b/e2fsprogs/uuid/isnull.c
deleted file mode 100644
index 54a830038..000000000
--- a/e2fsprogs/uuid/isnull.c
+++ /dev/null
@@ -1,48 +0,0 @@
-/*
- * 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;
-}
-
diff --git a/e2fsprogs/uuid/uuid.h b/e2fsprogs/uuid/uuid.h
index fbb937e11..ec6ba52d7 100644
--- a/e2fsprogs/uuid/uuid.h
+++ b/e2fsprogs/uuid/uuid.h
@@ -66,14 +66,14 @@ extern "C" {
/* clear.c */
/*void uuid_clear(uuid_t uu);*/
-#define uuid_clear(uu) memset(uu, 0, 16)
+#define uuid_clear(uu) memset(uu, 0, sizeof(uu))
/* compare.c */
int uuid_compare(const uuid_t uu1, const uuid_t uu2);
/* copy.c */
/*void uuid_copy(uuid_t dst, const uuid_t src);*/
-#define uuid_copy(dst,src) memcpy(dst,src,16)
+#define uuid_copy(dst,src) memcpy(dst, src, sizeof(dst))
/* gen_uuid.c */
void uuid_generate(uuid_t out);
@@ -81,7 +81,8 @@ void uuid_generate_random(uuid_t out);
void uuid_generate_time(uuid_t out);
/* isnull.c */
-int uuid_is_null(const uuid_t uu);
+/*int uuid_is_null(const uuid_t uu);*/
+#define uuid_is_null(uu) (!memcmp(uu, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0", sizeof(uu)))
/* parse.c */
int uuid_parse(const char *in, uuid_t uu);