[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH v2 2/4] minios: clean up allocation of char arrays used for xenbus paths
From: Matt Wilson <msw@xxxxxxxxxx> This patch cleans up instances of char array allocation where string lengths were manually counted to use strlen() instead. There are no functional changes in this patch. Signed-off-by: Matt Wilson <msw@xxxxxxxxxx> Cc: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx> Cc: Samuel Thibault <samuel.thibault@xxxxxxxxxxxx> --- extras/mini-os/blkfront.c | 6 +++--- extras/mini-os/console/xenbus.c | 4 ++-- extras/mini-os/fbfront.c | 10 +++++----- extras/mini-os/netfront.c | 4 ++-- extras/mini-os/pcifront.c | 8 ++++---- 5 files changed, 16 insertions(+), 16 deletions(-) diff --git a/extras/mini-os/blkfront.c b/extras/mini-os/blkfront.c index 70976f5..73837f6 100644 --- a/extras/mini-os/blkfront.c +++ b/extras/mini-os/blkfront.c @@ -99,7 +99,7 @@ struct blkfront_dev *init_blkfront(char *_nodename, struct blkfront_info *info) struct blkfront_dev *dev; - char path[strlen(nodename) + 1 + 10 + 1]; + char path[strlen(nodename) + strlen("/backend-id") + 1]; printk("******************* BLKFRONT for %s **********\n\n\n", nodename); @@ -189,7 +189,7 @@ done: { XenbusState state; - char path[strlen(dev->backend) + 1 + 19 + 1]; + char path[strlen(dev->backend) + strlen("/feature-flush-cache") + 1]; snprintf(path, sizeof(path), "%s/mode", dev->backend); msg = xenbus_read(XBT_NIL, path, &c); if (msg) { @@ -253,7 +253,7 @@ void shutdown_blkfront(struct blkfront_dev *dev) char* err = NULL; XenbusState state; - char path[strlen(dev->backend) + 1 + 5 + 1]; + char path[strlen(dev->backend) + strlen("/state") + 1]; char nodename[strlen(dev->nodename) + strlen("/event-channel") + 1]; blkfront_sync(dev); diff --git a/extras/mini-os/console/xenbus.c b/extras/mini-os/console/xenbus.c index 1ecfcc5..23d4d32 100644 --- a/extras/mini-os/console/xenbus.c +++ b/extras/mini-os/console/xenbus.c @@ -18,8 +18,8 @@ void free_consfront(struct consfront_dev *dev) char* err = NULL; XenbusState state; - char path[strlen(dev->backend) + 1 + 5 + 1]; - char nodename[strlen(dev->nodename) + 1 + 5 + 1]; + char path[strlen(dev->backend) + strlen("/state") + 1]; + char nodename[strlen(dev->nodename) + strlen("/state") + 1]; snprintf(path, sizeof(path), "%s/state", dev->backend); snprintf(nodename, sizeof(nodename), "%s/state", dev->nodename); diff --git a/extras/mini-os/fbfront.c b/extras/mini-os/fbfront.c index 6eddb3c..9148496 100644 --- a/extras/mini-os/fbfront.c +++ b/extras/mini-os/fbfront.c @@ -75,7 +75,7 @@ struct kbdfront_dev *init_kbdfront(char *_nodename, int abs_pointer) char* nodename = _nodename ? _nodename : "device/vkbd/0"; struct kbdfront_dev *dev; - char path[strlen(nodename) + 1 + 10 + 1]; + char path[strlen(nodename) + strlen("/backend-id") + 1]; printk("******************* KBDFRONT for %s **********\n\n\n", nodename); @@ -239,7 +239,7 @@ void shutdown_kbdfront(struct kbdfront_dev *dev) char* err = NULL; XenbusState state; - char path[strlen(dev->backend) + 1 + 5 + 1]; + char path[strlen(dev->backend) + strlen("/state") + 1]; char nodename[strlen(dev->nodename) + strlen("/request-abs-pointer") + 1]; printk("close kbd: backend at %s\n",dev->backend); @@ -413,7 +413,7 @@ struct fbfront_dev *init_fbfront(char *_nodename, unsigned long *mfns, int width unsigned long mapped; char* nodename = _nodename ? _nodename : "device/vfb/0"; - char path[strlen(nodename) + 1 + 10 + 1]; + char path[strlen(nodename) + strlen("/backend-id") + 1]; printk("******************* FBFRONT for %s **********\n\n\n", nodename); @@ -520,7 +520,7 @@ done: { XenbusState state; - char path[strlen(dev->backend) + 1 + 14 + 1]; + char path[strlen(dev->backend) + strlen("/request-update") + 1]; char frontpath[strlen(nodename) + strlen("/state") + 1]; snprintf(path, sizeof(path), "%s/state", dev->backend); @@ -631,7 +631,7 @@ void shutdown_fbfront(struct fbfront_dev *dev) char* err = NULL; XenbusState state; - char path[strlen(dev->backend) + 1 + 5 + 1]; + char path[strlen(dev->backend) + strlen("/state") + 1]; char nodename[strlen(dev->nodename) + strlen("/feature-update") + 1]; printk("close fb: backend at %s\n",dev->backend); diff --git a/extras/mini-os/netfront.c b/extras/mini-os/netfront.c index ddf56ea..7947fc2 100644 --- a/extras/mini-os/netfront.c +++ b/extras/mini-os/netfront.c @@ -441,7 +441,7 @@ done: { XenbusState state; - char path[strlen(dev->backend) + 1 + 5 + 1]; + char path[strlen(dev->backend) + strlen("/state") + 1]; snprintf(path, sizeof(path), "%s/state", dev->backend); xenbus_watch_path_token(XBT_NIL, path, path, &dev->events); @@ -507,7 +507,7 @@ void shutdown_netfront(struct netfront_dev *dev) char* err = NULL; XenbusState state; - char path[strlen(dev->backend) + 1 + 5 + 1]; + char path[strlen(dev->backend) + strlen("/state") + 1]; char nodename[strlen(dev->nodename) + strlen("/request-rx-copy") + 1]; printk("close network: backend at %s\n",dev->backend); diff --git a/extras/mini-os/pcifront.c b/extras/mini-os/pcifront.c index f9ae768..e6a5f4e 100644 --- a/extras/mini-os/pcifront.c +++ b/extras/mini-os/pcifront.c @@ -149,7 +149,7 @@ struct pcifront_dev *init_pcifront(char *_nodename) struct pcifront_dev *dev; - char path[strlen(nodename) + 1 + 10 + 1]; + char path[strlen(nodename) + strlen("/backend-id") + 1]; if (!_nodename && pcidev) return pcidev; @@ -237,8 +237,8 @@ done: printk("backend at %s\n", dev->backend); { - char path[strlen(dev->backend) + 1 + 5 + 1]; - char frontpath[strlen(nodename) + 1 + 5 + 1]; + char path[strlen(dev->backend) + strlen("/state") + 1]; + char frontpath[strlen(nodename) + strlen("/state") + 1]; XenbusState state; snprintf(path, sizeof(path), "%s/state", dev->backend); @@ -322,7 +322,7 @@ void shutdown_pcifront(struct pcifront_dev *dev) char* err = NULL; XenbusState state; - char path[strlen(dev->backend) + 1 + 5 + 1]; + char path[strlen(dev->backend) + strlen("/state") + 1]; char nodename[strlen(dev->nodename) + strlen("/event-channel") + 1]; printk("close pci: backend at %s\n",dev->backend); -- 1.7.9.5 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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