[PATCH][TOOLS] blktap: cleanups

["Christoph Egger" <Christoph.Egger@amd.com>]

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Hi!

Attached patch brings in
- build fixes for OpenBSD
- sprintf() -> snprintf()

Signed-off-by: Christoph Egger <Christoph.Egger@amd.com>


-- 
AMD Saxony, Dresden, Germany
Operating System Research Center

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AMD Saxony Limited Liability Company & Co. KG
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   Dr. Hans-R. Deppe, Thomas McCoy

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diff -r 6706934cdf9d tools/blktap/drivers/blktapctrl.c
--- a/tools/blktap/drivers/blktapctrl.c	Tue Dec 04 11:23:05 2007 +0000
+++ b/tools/blktap/drivers/blktapctrl.c	Tue Dec 04 15:06:49 2007 +0100
@@ -37,7 +37,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <sys/mman.h>
-#include <sys/user.h>
+#include <sys/stat.h>
 #include <err.h>
 #include <errno.h>
 #include <sys/types.h>
@@ -684,7 +684,7 @@ static void write_pidfile(long pid)
 		exit(1);
 	}
 
-	len = sprintf(buf, "%ld\n", pid);
+	len = snprintf(buf, sizeof(buf), "%ld\n", pid);
 	if (write(fd, buf, len) != len) {
 		DPRINTF("Writing pid file failed (%d)\n", errno);
 		exit(1);
diff -r 6706934cdf9d tools/blktap/drivers/bswap.h
--- a/tools/blktap/drivers/bswap.h	Tue Dec 04 11:23:05 2007 +0000
+++ b/tools/blktap/drivers/bswap.h	Tue Dec 04 15:06:49 2007 +0100
@@ -5,9 +5,14 @@
 
 #include <inttypes.h>
 
-#if defined(__NetBSD__) || defined(__OpenBSD__)
+#if defined(__NetBSD__)
 #include <sys/endian.h>
 #include <sys/types.h>
+#elif defined(__OpenBSD__)
+#include <machine/endian.h>
+#define bswap_16(x) swap16(x)
+#define bswap_32(x) swap32(x)
+#define bswap_64(x) swap64(x)
 #else
 
 #ifdef HAVE_BYTESWAP_H
diff -r 6706934cdf9d tools/blktap/lib/blktaplib.h
--- a/tools/blktap/lib/blktaplib.h	Tue Dec 04 11:23:05 2007 +0000
+++ b/tools/blktap/lib/blktaplib.h	Tue Dec 04 15:06:49 2007 +0100
@@ -33,6 +33,7 @@
 #define __BLKTAPLIB_H__
 
 #include <xenctrl.h>
+#include <sys/param.h>
 #include <sys/user.h>
 #include <xen/xen.h>
 #include <xen/io/blkif.h>
diff -r 6706934cdf9d tools/blktap/lib/list.h
--- a/tools/blktap/lib/list.h	Tue Dec 04 11:23:05 2007 +0000
+++ b/tools/blktap/lib/list.h	Tue Dec 04 15:06:49 2007 +0100
@@ -7,6 +7,10 @@
 
 #ifndef __LIST_H__
 #define __LIST_H__
+
+#ifdef LIST_HEAD
+#undef LIST_HEAD
+#endif
 
 #define LIST_POISON1  ((void *) 0x00100100)
 #define LIST_POISON2  ((void *) 0x00200200)
diff -r 6706934cdf9d tools/blktap/lib/xs_api.c
--- a/tools/blktap/lib/xs_api.c	Tue Dec 04 11:23:05 2007 +0000
+++ b/tools/blktap/lib/xs_api.c	Tue Dec 04 15:06:49 2007 +0100
@@ -282,7 +282,7 @@ int register_xenbus_watch(struct xs_hand
 	/* Pointer in ascii is the token. */
 	char token[sizeof(watch) * 2 + 1];
 
-	sprintf(token, "%lX", (long)watch);
+	snprintf(token, sizeof(token), "%lX", (long)watch);
 	if (find_watch(token)) {
 		DPRINTF("watch collision!\n");
 		return -EINVAL;
@@ -302,7 +302,7 @@ int unregister_xenbus_watch(struct xs_ha
 {
 	char token[sizeof(watch) * 2 + 1];
 	
-	sprintf(token, "%lX", (long)watch);
+	snprintf(token, sizeof(token), "%lX", (long)watch);
 	if (!find_watch(token)) {
 		DPRINTF("no such watch!\n");
 		return -EINVAL;
@@ -326,7 +326,7 @@ void reregister_xenbus_watches(struct xs
 	char token[sizeof(watch) * 2 + 1];
 	
 	list_for_each_entry(watch, &watches, list) {
-		sprintf(token, "%lX", (long)watch);
+		snprintf(token, sizeof(token), "%lX", (long)watch);
 		xs_watch(h, watch->node, token);
 	}
 }

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