Re: [PATCH 02/32] Convert 'int i' to 'size_t i' in src/conf/ files

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On Tue, Jul 09, 2013 at 09:17:33AM +0200, Ján Tomko wrote:
> On 07/08/2013 04:21 PM, Daniel P. Berrange wrote:
> > From: "Daniel P. Berrange" <berrange@xxxxxxxxxx>
> > 
> > Convert the type of loop iterators named 'i', 'j', k',
> > 'ii', 'jj', 'kk', to be 'size_t' instead of 'int' or
> > 'unsigned int', also santizing 'ii', 'jj', 'kk' to use
> > the normal 'i', 'j', 'k' naming
> > 
> > Signed-off-by: Daniel P. Berrange <berrange@xxxxxxxxxx>
> > ---
> >  src/conf/capabilities.c            |  32 ++--
> >  src/conf/cpu_conf.c                |  18 +--
> >  src/conf/domain_audit.c            |   4 +-
> >  src/conf/domain_conf.c             | 266 ++++++++++++++++---------------
> >  src/conf/domain_conf.h             |  12 +-
> >  src/conf/domain_event.c            |  24 +--
> >  src/conf/domain_nwfilter.c         |   2 +-
> >  src/conf/interface_conf.c          |  73 +++++----
> >  src/conf/netdev_vlan_conf.c        |  19 +--
> >  src/conf/network_conf.c            | 319 +++++++++++++++++++------------------
> >  src/conf/node_device_conf.c        |  27 ++--
> >  src/conf/nwfilter_conf.c           |  43 ++---
> >  src/conf/nwfilter_params.c         |  26 +--
> >  src/conf/snapshot_conf.c           |  21 +--
> >  src/conf/storage_conf.c            |  42 ++---
> >  src/conf/storage_encryption_conf.c |   3 +-
> >  16 files changed, 482 insertions(+), 449 deletions(-)
> > 
> 
> > diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
> > index 402e6e9..b9713e6 100644
> > --- a/src/conf/domain_conf.c
> > +++ b/src/conf/domain_conf.c
> > @@ -5362,7 +5364,7 @@ virDomainDiskDefParseXML(virDomainXMLOptionPtr xmlopt,
> >              goto error;
> >          }
> >  
> > -        int i;
> > +        size_t i;
> >          if ((i = virDomainIoEventFdTypeFromString(ioeventfd)) <= 0) {
> >              virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
> >                             _("unknown disk ioeventfd mode '%s'"),
> > @@ -5425,7 +5427,7 @@ virDomainDiskDefParseXML(virDomainXMLOptionPtr xmlopt,
> >      }
> >  
> >      if (startupPolicy) {
> > -        int i;
> > +        size_t i;
> >  
> >          if ((i = virDomainStartupPolicyTypeFromString(startupPolicy)) <= 0) {
> >              virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
> > @@ -6518,7 +6520,7 @@ virDomainNetDefParseXML(virDomainXMLOptionPtr xmlopt,
> >              def->driver.virtio.txmode = m;
> >          }
> >          if (ioeventfd) {
> > -            int i;
> > +            size_t i;
> >              if ((i = virDomainIoEventFdTypeFromString(ioeventfd)) <= 0) {
> >                  virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
> >                                 _("unknown interface ioeventfd mode '%s'"),
> 
> These three need to be signed.
> 
> >  virDomainDefMaybeAddHostdevSCSIcontroller(virDomainDefPtr def)
> >  {
> >      /* Look for any hostdev scsi dev */
> > -    int i;
> > +    size_t i;
> >      int maxController = -1;
> 
> If no SCSI hostdevs are found, the for condition is i <= -1, and a LOT of SCSI
> controllers is added.
> 
> >      virDomainHostdevDefPtr hostdev;
> >  
> > @@ -13489,7 +13495,7 @@ virDomainDefAddDiskControllersForType(virDomainDefPtr def,
> >                                        int controllerType,
> >                                        int diskBus)
> >  {
> > -    int i;
> > +    size_t i;
> >      int maxController = -1;
> >  
> >      for (i = 0; i < def->ndisks; i++) {
> 
> Same here.
> 
> >  virDomainEventCallbackListPurgeMarked(virDomainEventCallbackListPtr cbList)
> >  {
> >      int old_count = cbList->count;
> > -    int i;
> > +    size_t i;
> >      for (i = 0; i < cbList->count; i++) {
> >          if (cbList->callbacks[i]->deleted) {
> >              virFreeCallback freecb = cbList->callbacks[i]->freecb;
> 
> If this condition is true when i = 0, i gets decremented then incremented.
> 
> ACK

The following will be squashed in

diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 68feafa..4013267 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -5320,6 +5320,8 @@ virDomainDiskDefParseXML(virDomainXMLOptionPtr xmlopt,
     }
 
     if (ioeventfd) {
+        int val;
+
         if (def->bus != VIR_DOMAIN_DISK_BUS_VIRTIO) {
             virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
                            _("disk ioeventfd mode supported "
@@ -5327,14 +5329,13 @@ virDomainDiskDefParseXML(virDomainXMLOptionPtr xmlopt,
             goto error;
         }
 
-        size_t i;
-        if ((i = virDomainIoEventFdTypeFromString(ioeventfd)) <= 0) {
+        if ((val = virDomainIoEventFdTypeFromString(ioeventfd)) <= 0) {
             virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                            _("unknown disk ioeventfd mode '%s'"),
                            ioeventfd);
             goto error;
         }
-        def->ioeventfd=i;
+        def->ioeventfd = val;
     }
 
     if (event_idx) {
@@ -5390,9 +5391,9 @@ virDomainDiskDefParseXML(virDomainXMLOptionPtr xmlopt,
     }
 
     if (startupPolicy) {
-        size_t i;
+        int val;
 
-        if ((i = virDomainStartupPolicyTypeFromString(startupPolicy)) <= 0) {
+        if ((val = virDomainStartupPolicyTypeFromString(startupPolicy)) <= 0) {
             virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                            _("unknown startupPolicy value '%s'"),
                            startupPolicy);
@@ -5407,7 +5408,7 @@ virDomainDiskDefParseXML(virDomainXMLOptionPtr xmlopt,
                            startupPolicy);
             goto error;
         }
-        def->startupPolicy = i;
+        def->startupPolicy = val;
     }
 
     def->src = source;
@@ -6471,14 +6472,14 @@ virDomainNetDefParseXML(virDomainXMLOptionPtr xmlopt,
             def->driver.virtio.txmode = m;
         }
         if (ioeventfd) {
-            size_t i;
-            if ((i = virDomainIoEventFdTypeFromString(ioeventfd)) <= 0) {
+            int val;
+            if ((val = virDomainIoEventFdTypeFromString(ioeventfd)) <= 0) {
                 virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                                _("unknown interface ioeventfd mode '%s'"),
                                ioeventfd);
                 goto error;
             }
-            def->driver.virtio.ioeventfd = i;
+            def->driver.virtio.ioeventfd = val;
         }
         if (event_idx) {
             int idx;
@@ -10416,6 +10417,9 @@ virDomainDefMaybeAddHostdevSCSIcontroller(virDomainDefPtr def)
         }
     }
 
+    if (maxController == -1)
+        return 0;
+
     for (i = 0; i <= maxController; i++) {
         if (virDomainDefMaybeAddController(def, VIR_DOMAIN_CONTROLLER_TYPE_SCSI, i, -1) < 0)
             return -1;
@@ -13391,6 +13395,9 @@ virDomainDefAddDiskControllersForType(virDomainDefPtr def,
             maxController = def->disks[i]->info.addr.drive.controller;
     }
 
+    if (maxController == -1)
+        return 0;
+
     for (i = 0; i <= maxController; i++) {
         if (virDomainDefMaybeAddController(def, controllerType, i, -1) < 0)
             return -1;
diff --git a/src/conf/domain_event.c b/src/conf/domain_event.c
index 6db9996..fde24be 100644
--- a/src/conf/domain_event.c
+++ b/src/conf/domain_event.c
@@ -304,22 +304,22 @@ static int
 virDomainEventCallbackListPurgeMarked(virDomainEventCallbackListPtr cbList)
 {
     int old_count = cbList->count;
-    size_t i;
-    for (i = 0; i < cbList->count; i++) {
-        if (cbList->callbacks[i]->deleted) {
-            virFreeCallback freecb = cbList->callbacks[i]->freecb;
+    int n;
+    for (n = 0; n < cbList->count; n++) {
+        if (cbList->callbacks[n]->deleted) {
+            virFreeCallback freecb = cbList->callbacks[n]->freecb;
             if (freecb)
-                (*freecb)(cbList->callbacks[i]->opaque);
-            virObjectUnref(cbList->callbacks[i]->conn);
-            VIR_FREE(cbList->callbacks[i]);
+                (*freecb)(cbList->callbacks[n]->opaque);
+            virObjectUnref(cbList->callbacks[n]->conn);
+            VIR_FREE(cbList->callbacks[n]);
 
-            if (i < (cbList->count - 1))
-                memmove(cbList->callbacks + i,
-                        cbList->callbacks + i + 1,
+            if (n < (cbList->count - 1))
+                memmove(cbList->callbacks + n,
+                        cbList->callbacks + n + 1,
                         sizeof(*(cbList->callbacks)) *
-                                (cbList->count - (i + 1)));
+                                (cbList->count - (n + 1)));
             cbList->count--;
-            i--;
+            n--;
         }
     }
     if (cbList->count < old_count &&
diff --git a/src/conf/node_device_conf.c b/src/conf/node_device_conf.c
index 1eb13a8..799405e 100644
--- a/src/conf/node_device_conf.c
+++ b/src/conf/node_device_conf.c
@@ -736,7 +736,8 @@ virNodeDevCapScsiHostParseXML(xmlXPathContextPtr ctxt,
                               const char *virt_type)
 {
     xmlNodePtr orignode, *nodes = NULL;
-    int ret = -1, n = 0, i;
+    int ret = -1, n = 0;
+    size_t i;
     char *type = NULL;
 
     orignode = ctxt->node;
diff --git a/src/conf/nwfilter_params.c b/src/conf/nwfilter_params.c
index 927ab08..7ae4a44 100644
--- a/src/conf/nwfilter_params.c
+++ b/src/conf/nwfilter_params.c
@@ -44,7 +44,7 @@ static unsigned int virNWFilterVarAccessGetIntIterId(
 void
 virNWFilterVarValueFree(virNWFilterVarValuePtr val)
 {
-    unsigned i;
+    size_t i;
 
     if (!val)
         return;
@@ -68,7 +68,7 @@ virNWFilterVarValuePtr
 virNWFilterVarValueCopy(const virNWFilterVarValuePtr val)
 {
     virNWFilterVarValuePtr res;
-    unsigned i;
+    size_t i;
     char *str;
 
     if (VIR_ALLOC(res) < 0)


Daniel
-- 
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|: http://libvirt.org              -o-             http://virt-manager.org :|
|: http://autobuild.org       -o-         http://search.cpan.org/~danberr/ :|
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