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[Xen-changelog] Replace NULL xenbus transaction by a specific XBT_NULL value.



# HG changeset patch
# User vhanquez@xxxxxxxxxxxxxxxxxxxxxxx
# Node ID 991ccc24bf2e437fff0e45c490692f9ca239509e
# Parent  50d46a775ad04e0723a973dea573917567fd2961
Replace NULL xenbus transaction by a specific XBT_NULL value.

Signed-off-by: Vincent Hanquez <vincent@xxxxxxxxxxxxx>

diff -r 50d46a775ad0 -r 991ccc24bf2e 
linux-2.6-xen-sparse/arch/xen/kernel/smpboot.c
--- a/linux-2.6-xen-sparse/arch/xen/kernel/smpboot.c    Tue Jan 10 15:00:37 2006
+++ b/linux-2.6-xen-sparse/arch/xen/kernel/smpboot.c    Tue Jan 10 15:05:05 2006
@@ -298,7 +298,7 @@
                return;
 
        sprintf(dir, "cpu/%d", cpu);
-       err = xenbus_scanf(NULL, dir, "availability", "%s", state);
+       err = xenbus_scanf(XBT_NULL, dir, "availability", "%s", state);
        if (err != 1) {
                printk(KERN_ERR "XENBUS: Unable to read cpu state\n");
                return;
diff -r 50d46a775ad0 -r 991ccc24bf2e 
linux-2.6-xen-sparse/drivers/xen/balloon/balloon.c
--- a/linux-2.6-xen-sparse/drivers/xen/balloon/balloon.c        Tue Jan 10 
15:00:37 2006
+++ b/linux-2.6-xen-sparse/drivers/xen/balloon/balloon.c        Tue Jan 10 
15:05:05 2006
@@ -354,7 +354,7 @@
        unsigned long long new_target;
        int err;
 
-       err = xenbus_scanf(NULL, "memory", "target", "%llu", &new_target);
+       err = xenbus_scanf(XBT_NULL, "memory", "target", "%llu", &new_target);
        if (err != 1) {
                /* This is ok (for domain0 at least) - so just return */
                return;
diff -r 50d46a775ad0 -r 991ccc24bf2e 
linux-2.6-xen-sparse/drivers/xen/blkback/xenbus.c
--- a/linux-2.6-xen-sparse/drivers/xen/blkback/xenbus.c Tue Jan 10 15:00:37 2006
+++ b/linux-2.6-xen-sparse/drivers/xen/blkback/xenbus.c Tue Jan 10 15:05:05 2006
@@ -145,7 +145,7 @@
        if (err)
                goto fail;
 
-       err = xenbus_switch_state(dev, NULL, XenbusStateInitWait);
+       err = xenbus_switch_state(dev, XBT_NULL, XenbusStateInitWait);
        if (err)
                goto fail;
 
@@ -175,7 +175,7 @@
 
        DPRINTK("");
 
-       err = xenbus_scanf(NULL, dev->nodename, "physical-device", "%x:%x",
+       err = xenbus_scanf(XBT_NULL, dev->nodename, "physical-device", "%x:%x",
                           &major, &minor);
        if (XENBUS_EXIST_ERR(err)) {
                /* Since this watch will fire once immediately after it is
@@ -197,7 +197,7 @@
                return;
        }
 
-       be->mode = xenbus_read(NULL, dev->nodename, "mode", NULL);
+       be->mode = xenbus_read(XBT_NULL, dev->nodename, "mode", NULL);
        if (IS_ERR(be->mode)) {
                err = PTR_ERR(be->mode);
                be->mode = NULL;
@@ -268,7 +268,7 @@
                break;
 
        case XenbusStateClosing:
-               xenbus_switch_state(dev, NULL, XenbusStateClosing);
+               xenbus_switch_state(dev, XBT_NULL, XenbusStateClosing);
                break;
 
        case XenbusStateClosed:
@@ -366,7 +366,7 @@
 
        DPRINTK("%s", dev->otherend);
 
-       err = xenbus_gather(NULL, dev->otherend, "ring-ref", "%lu", &ring_ref,
+       err = xenbus_gather(XBT_NULL, dev->otherend, "ring-ref", "%lu", 
&ring_ref,
                            "event-channel", "%u", &evtchn, NULL);
        if (err) {
                xenbus_dev_fatal(dev, err,
diff -r 50d46a775ad0 -r 991ccc24bf2e 
linux-2.6-xen-sparse/drivers/xen/blkfront/blkfront.c
--- a/linux-2.6-xen-sparse/drivers/xen/blkfront/blkfront.c      Tue Jan 10 
15:00:37 2006
+++ b/linux-2.6-xen-sparse/drivers/xen/blkfront/blkfront.c      Tue Jan 10 
15:05:05 2006
@@ -91,7 +91,7 @@
        struct blkfront_info *info;
 
        /* FIXME: Use dynamic device id if this is not set. */
-       err = xenbus_scanf(NULL, dev->nodename,
+       err = xenbus_scanf(XBT_NULL, dev->nodename,
                           "virtual-device", "%i", &vdevice);
        if (err != 1) {
                xenbus_dev_fatal(dev, err, "reading virtual-device");
@@ -319,7 +319,7 @@
 
        DPRINTK("blkfront.c:connect:%s.\n", info->xbdev->otherend);
 
-       err = xenbus_gather(NULL, info->xbdev->otherend,
+       err = xenbus_gather(XBT_NULL, info->xbdev->otherend,
                            "sectors", "%lu", &sectors,
                            "info", "%u", &binfo,
                            "sector-size", "%lu", &sector_size,
@@ -338,7 +338,7 @@
                return;
        }
 
-       (void)xenbus_switch_state(info->xbdev, NULL, XenbusStateConnected); 
+       (void)xenbus_switch_state(info->xbdev, XBT_NULL, XenbusStateConnected); 
 
        /* Kick pending requests. */
        spin_lock_irq(&blkif_io_lock);
@@ -367,7 +367,7 @@
                info->mi = NULL;
        }
 
-       xenbus_switch_state(dev, NULL, XenbusStateClosed);
+       xenbus_switch_state(dev, XBT_NULL, XenbusStateClosed);
 }
 
 
@@ -775,7 +775,7 @@
 
        kfree(copy);
 
-       (void)xenbus_switch_state(info->xbdev, NULL, XenbusStateConnected); 
+       (void)xenbus_switch_state(info->xbdev, XBT_NULL, XenbusStateConnected); 
        
        /* Now safe for us to use the shared ring */
        spin_lock_irq(&blkif_io_lock);
diff -r 50d46a775ad0 -r 991ccc24bf2e 
linux-2.6-xen-sparse/drivers/xen/net_driver_util.c
--- a/linux-2.6-xen-sparse/drivers/xen/net_driver_util.c        Tue Jan 10 
15:00:37 2006
+++ b/linux-2.6-xen-sparse/drivers/xen/net_driver_util.c        Tue Jan 10 
15:05:05 2006
@@ -38,7 +38,7 @@
        char *s;
        int i;
        char *e;
-       char *macstr = xenbus_read(NULL, dev->nodename, "mac", NULL);
+       char *macstr = xenbus_read(XBT_NULL, dev->nodename, "mac", NULL);
        if (IS_ERR(macstr)) {
                return PTR_ERR(macstr);
        }
diff -r 50d46a775ad0 -r 991ccc24bf2e 
linux-2.6-xen-sparse/drivers/xen/netback/xenbus.c
--- a/linux-2.6-xen-sparse/drivers/xen/netback/xenbus.c Tue Jan 10 15:00:37 2006
+++ b/linux-2.6-xen-sparse/drivers/xen/netback/xenbus.c Tue Jan 10 15:05:05 2006
@@ -93,7 +93,7 @@
        if (err)
                goto fail;
 
-       err = xenbus_switch_state(dev, NULL, XenbusStateInitWait);
+       err = xenbus_switch_state(dev, XBT_NULL, XenbusStateInitWait);
        if (err) {
                goto fail;
        }
@@ -122,7 +122,7 @@
 
        DPRINTK("netback_hotplug");
 
-       val = xenbus_read(NULL, xdev->nodename, "script", NULL);
+       val = xenbus_read(XBT_NULL, xdev->nodename, "script", NULL);
        if (IS_ERR(val)) {
                int err = PTR_ERR(val);
                xenbus_dev_fatal(xdev, err, "reading script");
@@ -160,7 +160,7 @@
 
        DPRINTK("");
 
-       err = xenbus_scanf(NULL, dev->nodename, "handle", "%li", &handle);
+       err = xenbus_scanf(XBT_NULL, dev->nodename, "handle", "%li", &handle);
        if (XENBUS_EXIST_ERR(err)) {
                /* Since this watch will fire once immediately after it is
                   registered, we expect this.  Ignore it, and wait for the
@@ -212,7 +212,7 @@
                break;
 
        case XenbusStateClosing:
-               xenbus_switch_state(dev, NULL, XenbusStateClosing);
+               xenbus_switch_state(dev, XBT_NULL, XenbusStateClosing);
                break;
 
        case XenbusStateClosed:
@@ -256,7 +256,7 @@
                return;
        }
 
-       xenbus_switch_state(dev, NULL, XenbusStateConnected);
+       xenbus_switch_state(dev, XBT_NULL, XenbusStateConnected);
 }
 
 
@@ -269,7 +269,7 @@
 
        DPRINTK("");
 
-       err = xenbus_gather(NULL, dev->otherend,
+       err = xenbus_gather(XBT_NULL, dev->otherend,
                            "tx-ring-ref", "%lu", &tx_ring_ref,
                            "rx-ring-ref", "%lu", &rx_ring_ref,
                            "event-channel", "%u", &evtchn, NULL);
diff -r 50d46a775ad0 -r 991ccc24bf2e 
linux-2.6-xen-sparse/drivers/xen/netfront/netfront.c
--- a/linux-2.6-xen-sparse/drivers/xen/netfront/netfront.c      Tue Jan 10 
15:00:37 2006
+++ b/linux-2.6-xen-sparse/drivers/xen/netfront/netfront.c      Tue Jan 10 
15:05:05 2006
@@ -212,7 +212,7 @@
        struct netfront_info *info;
        unsigned int handle;
 
-       err = xenbus_scanf(NULL, dev->nodename, "handle", "%u", &handle);
+       err = xenbus_scanf(XBT_NULL, dev->nodename, "handle", "%u", &handle);
        if (err != 1) {
                xenbus_dev_fatal(dev, err, "reading handle");
                return err;
@@ -1199,7 +1199,7 @@
 
        close_netdev(info);
 
-       xenbus_switch_state(dev, NULL, XenbusStateClosed);
+       xenbus_switch_state(dev, XBT_NULL, XenbusStateClosed);
 }
 
 
diff -r 50d46a775ad0 -r 991ccc24bf2e 
linux-2.6-xen-sparse/drivers/xen/tpmback/xenbus.c
--- a/linux-2.6-xen-sparse/drivers/xen/tpmback/xenbus.c Tue Jan 10 15:00:37 2006
+++ b/linux-2.6-xen-sparse/drivers/xen/tpmback/xenbus.c Tue Jan 10 15:05:05 2006
@@ -275,7 +275,7 @@
        unsigned int evtchn;
        int err;
 
-       err = xenbus_gather(NULL, dev->otherend,
+       err = xenbus_gather(XBT_NULL, dev->otherend,
                            "ring-ref", "%lu", &ring_ref,
                            "event-channel", "%u", &evtchn, NULL);
        if (err) {
diff -r 50d46a775ad0 -r 991ccc24bf2e 
linux-2.6-xen-sparse/drivers/xen/xenbus/xenbus_client.c
--- a/linux-2.6-xen-sparse/drivers/xen/xenbus/xenbus_client.c   Tue Jan 10 
15:00:37 2006
+++ b/linux-2.6-xen-sparse/drivers/xen/xenbus/xenbus_client.c   Tue Jan 10 
15:05:05 2006
@@ -152,7 +152,7 @@
                goto fail;
        }
 
-       if (xenbus_write(NULL, path_buffer, "error", printf_buffer) != 0) {
+       if (xenbus_write(XBT_NULL, path_buffer, "error", printf_buffer) != 0) {
                printk("xenbus: failed to write error node for %s (%s)\n",
                       dev->nodename, printf_buffer);
                goto fail;
@@ -187,7 +187,7 @@
        _dev_error(dev, err, fmt, ap);
        va_end(ap);
        
-       xenbus_switch_state(dev, NULL, XenbusStateClosing);
+       xenbus_switch_state(dev, XBT_NULL, XenbusStateClosing);
 }
 EXPORT_SYMBOL(xenbus_dev_fatal);
 
@@ -223,7 +223,7 @@
 {
        XenbusState result;
 
-       int err = xenbus_gather(NULL, path, "state", "%d", &result, NULL);
+       int err = xenbus_gather(XBT_NULL, path, "state", "%d", &result, NULL);
        if (err)
                result = XenbusStateClosed;
 
diff -r 50d46a775ad0 -r 991ccc24bf2e 
linux-2.6-xen-sparse/drivers/xen/xenbus/xenbus_probe.c
--- a/linux-2.6-xen-sparse/drivers/xen/xenbus/xenbus_probe.c    Tue Jan 10 
15:00:37 2006
+++ b/linux-2.6-xen-sparse/drivers/xen/xenbus/xenbus_probe.c    Tue Jan 10 
15:05:05 2006
@@ -115,7 +115,7 @@
 static int read_otherend_details(struct xenbus_device *xendev,
                                 char *id_node, char *path_node)
 {
-       int err = xenbus_gather(NULL, xendev->nodename,
+       int err = xenbus_gather(XBT_NULL, xendev->nodename,
                                id_node, "%i", &xendev->otherend_id,
                                path_node, NULL, &xendev->otherend,
                                NULL);
@@ -126,7 +126,7 @@
                return err;
        }
        if (strlen(xendev->otherend) == 0 ||
-           !xenbus_exists(NULL, xendev->otherend, "")) {
+           !xenbus_exists(XBT_NULL, xendev->otherend, "")) {
                xenbus_dev_fatal(xendev, -ENOENT, "missing other end from %s",
                                 xendev->nodename);
                kfree(xendev->otherend);
@@ -200,14 +200,14 @@
 
        devid = strrchr(nodename, '/') + 1;
 
-       err = xenbus_gather(NULL, nodename, "frontend-id", "%i", &domid,
+       err = xenbus_gather(XBT_NULL, nodename, "frontend-id", "%i", &domid,
                            "frontend", NULL, &frontend,
                            NULL);
        if (err)
                return err;
        if (strlen(frontend) == 0)
                err = -ERANGE;
-       if (!err && !xenbus_exists(NULL, frontend, ""))
+       if (!err && !xenbus_exists(XBT_NULL, frontend, ""))
                err = -ENOENT;
 
        kfree(frontend);
@@ -373,7 +373,7 @@
        return 0;
 fail:
        xenbus_dev_error(dev, err, "xenbus_dev_probe on %s", dev->nodename);
-       xenbus_switch_state(dev, NULL, XenbusStateClosed);
+       xenbus_switch_state(dev, XBT_NULL, XenbusStateClosed);
        return -ENODEV;
        
 }
@@ -391,7 +391,7 @@
        if (drv->remove)
                drv->remove(dev);
 
-       xenbus_switch_state(dev, NULL, XenbusStateClosed);
+       xenbus_switch_state(dev, XBT_NULL, XenbusStateClosed);
        return 0;
 }
 
@@ -643,7 +643,7 @@
        if (!nodename)
                return -ENOMEM;
 
-       dir = xenbus_directory(NULL, nodename, "", &dir_n);
+       dir = xenbus_directory(XBT_NULL, nodename, "", &dir_n);
        if (IS_ERR(dir)) {
                kfree(nodename);
                return PTR_ERR(dir);
@@ -666,7 +666,7 @@
        unsigned int dir_n = 0;
        int i;
 
-       dir = xenbus_directory(NULL, bus->root, type, &dir_n);
+       dir = xenbus_directory(XBT_NULL, bus->root, type, &dir_n);
        if (IS_ERR(dir))
                return PTR_ERR(dir);
 
@@ -685,7 +685,7 @@
        char **dir;
        unsigned int i, dir_n;
 
-       dir = xenbus_directory(NULL, bus->root, "", &dir_n);
+       dir = xenbus_directory(XBT_NULL, bus->root, "", &dir_n);
        if (IS_ERR(dir))
                return PTR_ERR(dir);
 
@@ -731,7 +731,7 @@
        if (char_count(node, '/') < 2)
                return;
 
-       exists = xenbus_exists(NULL, node, "");
+       exists = xenbus_exists(XBT_NULL, node, "");
        if (!exists) {
                xenbus_cleanup_devices(node, &bus->bus);
                return;
diff -r 50d46a775ad0 -r 991ccc24bf2e 
linux-2.6-xen-sparse/drivers/xen/xenbus/xenbus_xs.c
--- a/linux-2.6-xen-sparse/drivers/xen/xenbus/xenbus_xs.c       Tue Jan 10 
15:00:37 2006
+++ b/linux-2.6-xen-sparse/drivers/xen/xenbus/xenbus_xs.c       Tue Jan 10 
15:05:05 2006
@@ -431,7 +431,7 @@
 
        down_read(&xs_state.suspend_mutex);
 
-       id_str = xs_single(NULL, XS_TRANSACTION_START, "", NULL);
+       id_str = xs_single(XBT_NULL, XS_TRANSACTION_START, "", NULL);
        if (IS_ERR(id_str)) {
                up_read(&xs_state.suspend_mutex);
                return (struct xenbus_transaction *)id_str;
@@ -553,7 +553,7 @@
        iov[1].iov_base = (void *)token;
        iov[1].iov_len = strlen(token) + 1;
 
-       return xs_error(xs_talkv(NULL, XS_WATCH, iov,
+       return xs_error(xs_talkv(XBT_NULL, XS_WATCH, iov,
                                 ARRAY_SIZE(iov), NULL));
 }
 
@@ -566,7 +566,7 @@
        iov[1].iov_base = (char *)token;
        iov[1].iov_len = strlen(token) + 1;
 
-       return xs_error(xs_talkv(NULL, XS_UNWATCH, iov,
+       return xs_error(xs_talkv(XBT_NULL, XS_UNWATCH, iov,
                                 ARRAY_SIZE(iov), NULL));
 }
 
diff -r 50d46a775ad0 -r 991ccc24bf2e 
linux-2.6-xen-sparse/include/asm-xen/xenbus.h
--- a/linux-2.6-xen-sparse/include/asm-xen/xenbus.h     Tue Jan 10 15:00:37 2006
+++ b/linux-2.6-xen-sparse/include/asm-xen/xenbus.h     Tue Jan 10 15:05:05 2006
@@ -36,6 +36,8 @@
 #include <asm/semaphore.h>
 #include <asm-xen/xen-public/io/xenbus.h>
 #include <asm-xen/xen-public/io/xs_wire.h>
+
+#define XBT_NULL NULL
 
 /* Register callback to watch this node. */
 struct xenbus_watch
diff -r 50d46a775ad0 -r 991ccc24bf2e tools/console/client/main.c
--- a/tools/console/client/main.c       Tue Jan 10 15:00:37 2006
+++ b/tools/console/client/main.c       Tue Jan 10 15:05:05 2006
@@ -220,7 +220,7 @@
        if (path == NULL)
                err(ENOMEM, "realloc");
        strcat(path, "/console/tty");
-       str_pty = xs_read(xs, NULL, path, &len);
+       str_pty = xs_read(xs, XBT_NULL, path, &len);
 
        /* FIXME consoled currently does not assume domain-0 doesn't have a
           console which is good when we break domain-0 up.  To keep us
@@ -245,7 +245,7 @@
                struct timeval tv = { 0, 500 };
                select(0, NULL, NULL, NULL, &tv); /* pause briefly */
 
-               str_pty = xs_read(xs, NULL, path, &len);
+               str_pty = xs_read(xs, XBT_NULL, path, &len);
        }
 
        if (str_pty == NULL) {
diff -r 50d46a775ad0 -r 991ccc24bf2e tools/console/daemon/io.c
--- a/tools/console/daemon/io.c Tue Jan 10 15:00:37 2006
+++ b/tools/console/daemon/io.c Tue Jan 10 15:05:05 2006
@@ -174,7 +174,7 @@
                success = asprintf(&path, "%s/limit", dom->conspath) != -1;
                if (!success)
                        goto out;
-               data = xs_read(xs, NULL, path, &len);
+               data = xs_read(xs, XBT_NULL, path, &len);
                if (data) {
                        dom->buffer.max_capacity = strtoul(data, 0, 0);
                        free(data);
@@ -184,7 +184,7 @@
                success = asprintf(&path, "%s/tty", dom->conspath) != -1;
                if (!success)
                        goto out;
-               success = xs_write(xs, NULL, path, slave, strlen(slave));
+               success = xs_write(xs, XBT_NULL, path, slave, strlen(slave));
                free(path);
                if (!success)
                        goto out;
@@ -214,7 +214,7 @@
                char *p;
 
                asprintf(&path, "%s/%s", dir, name);
-               p = xs_read(xs, NULL, path, NULL);
+               p = xs_read(xs, XBT_NULL, path, NULL);
                free(path);
                if (p == NULL) {
                        ret = ENOENT;
diff -r 50d46a775ad0 -r 991ccc24bf2e tools/xenstore/xs.c
--- a/tools/xenstore/xs.c       Tue Jan 10 15:00:37 2006
+++ b/tools/xenstore/xs.c       Tue Jan 10 15:05:05 2006
@@ -560,7 +560,7 @@
        iov[1].iov_base = (void *)token;
        iov[1].iov_len = strlen(token) + 1;
 
-       return xs_bool(xs_talkv(h, NULL, XS_WATCH, iov,
+       return xs_bool(xs_talkv(h, XBT_NULL, XS_WATCH, iov,
                                ARRAY_SIZE(iov), NULL));
 }
 
@@ -627,7 +627,7 @@
        iov[1].iov_base = (char *)token;
        iov[1].iov_len = strlen(token) + 1;
 
-       return xs_bool(xs_talkv(h, NULL, XS_UNWATCH, iov,
+       return xs_bool(xs_talkv(h, XBT_NULL, XS_UNWATCH, iov,
                                ARRAY_SIZE(iov), NULL));
 }
 
@@ -641,7 +641,7 @@
        char *id_str;
        unsigned long id;
 
-       id_str = xs_single(h, NULL, XS_TRANSACTION_START, "", NULL);
+       id_str = xs_single(h, XBT_NULL, XS_TRANSACTION_START, "", NULL);
        if (id_str == NULL)
                return NULL;
 
@@ -693,7 +693,7 @@
        iov[2].iov_base = eventchn_str;
        iov[2].iov_len = strlen(eventchn_str) + 1;
 
-       return xs_bool(xs_talkv(h, NULL, XS_INTRODUCE, iov,
+       return xs_bool(xs_talkv(h, XBT_NULL, XS_INTRODUCE, iov,
                                ARRAY_SIZE(iov), NULL));
 }
 
@@ -705,7 +705,7 @@
 
        sprintf(domid_str, "%u", domid);
 
-       return xs_single(h, NULL, type, domid_str, NULL);
+       return xs_single(h, XBT_NULL, type, domid_str, NULL);
 }
 
 bool xs_release_domain(struct xs_handle *h, unsigned int domid)
@@ -719,7 +719,7 @@
 
        sprintf(domid_str, "%u", domid);
 
-       return xs_single(h, NULL, XS_GET_DOMAIN_PATH, domid_str, NULL);
+       return xs_single(h, XBT_NULL, XS_GET_DOMAIN_PATH, domid_str, NULL);
 }
 
 bool xs_is_domain_introduced(struct xs_handle *h, unsigned int domid)
@@ -739,7 +739,7 @@
        iov[1].iov_base = data;
        iov[1].iov_len = len;
 
-       return xs_talkv(h, NULL, XS_DEBUG, iov,
+       return xs_talkv(h, XBT_NULL, XS_DEBUG, iov,
                        ARRAY_SIZE(iov), NULL);
 }
 
diff -r 50d46a775ad0 -r 991ccc24bf2e tools/xenstore/xs.h
--- a/tools/xenstore/xs.h       Tue Jan 10 15:00:37 2006
+++ b/tools/xenstore/xs.h       Tue Jan 10 15:05:05 2006
@@ -21,6 +21,8 @@
 #define _XS_H
 
 #include <xs_lib.h>
+
+#define XBT_NULL NULL
 
 struct xs_handle;
 struct xs_transaction_handle;
diff -r 50d46a775ad0 -r 991ccc24bf2e tools/xenstore/xs_test.c
--- a/tools/xenstore/xs_test.c  Tue Jan 10 15:00:37 2006
+++ b/tools/xenstore/xs_test.c  Tue Jan 10 15:05:05 2006
@@ -37,12 +37,13 @@
 #include <sys/time.h>
 #include "utils.h"
 #include "xs_lib.h"
+#include "xs.h"
 #include "list.h"
 
 #define XSTEST
 
 static struct xs_handle *handles[10] = { NULL };
-static struct xs_transaction_handle *txh[10] = { NULL };
+static struct xs_transaction_handle *txh[10] = { XBT_NULL };
 
 static unsigned int timeout_ms = 500;
 static bool timeout_suppressed = true;
@@ -492,7 +493,7 @@
 static void do_start(unsigned int handle)
 {
        txh[handle] = xs_transaction_start(handles[handle]);
-       if (txh[handle] == NULL)
+       if (txh[handle] == XBT_NULL)
                failed(handle);
 }
 
@@ -500,7 +501,7 @@
 {
        if (!xs_transaction_end(handles[handle], txh[handle], abort))
                failed(handle);
-       txh[handle] = NULL;
+       txh[handle] = XBT_NULL;
 }
 
 static void do_introduce(unsigned int handle,
@@ -718,7 +719,7 @@
        else if (streq(command, "close")) {
                xs_daemon_close(handles[handle]);
                handles[handle] = NULL;
-               txh[handle] = NULL;
+               txh[handle] = XBT_NULL;
        } else if (streq(command, "start"))
                do_start(handle);
        else if (streq(command, "commit"))
diff -r 50d46a775ad0 -r 991ccc24bf2e tools/xenstore/xsls.c
--- a/tools/xenstore/xsls.c     Tue Jan 10 15:00:37 2006
+++ b/tools/xenstore/xsls.c     Tue Jan 10 15:05:05 2006
@@ -11,7 +11,7 @@
     int i;
     unsigned int num, len;
 
-    e = xs_directory(h, NULL, path, &num);
+    e = xs_directory(h, XBT_NULL, path, &num);
     if (e == NULL)
         err(1, "xs_directory (%s)", path);
 
@@ -22,7 +22,7 @@
         sprintf(newpath, "%s%s%s", path, 
                 path[strlen(path)-1] == '/' ? "" : "/", 
                 e[i]);
-        val = xs_read(h, NULL, newpath, &len);
+        val = xs_read(h, XBT_NULL, newpath, &len);
         if (val == NULL)
             printf(":\n");
         else if ((unsigned)len > (151 - strlen(e[i])))

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