[libvirt] [PATCH v2] build: more fix to avoid C99 for loop (Re: [PATCH] build: more fix to avoid C99 for loop (Re: [PATCH] build: avoid C99 for loop))
Hu Tao
hutao at cn.fujitsu.com
Wed Nov 28 10:16:40 UTC 2012
On Wed, Nov 28, 2012 at 10:41:34AM +0100, Martin Kletzander wrote:
> On 11/28/2012 04:37 AM, Hu Tao wrote:
> > On Mon, Nov 26, 2012 at 03:25:04PM -0700, Eric Blake wrote:
> >> Although we require various C99 features, we don't yet require a
> >> complete C99 compiler. On RHEL 5, compilation complained:
> >>
> >> qemu/qemu_command.c: In function 'qemuBuildGraphicsCommandLine':
> >> qemu/qemu_command.c:4688: error: 'for' loop initial declaration used outside C99 mode
> >>
> >> * src/qemu/qemu_command.c (qemuBuildGraphicsCommandLine): Declare
> >> variable sooner.
> >> * src/qemu/qemu_process.c (qemuProcessInitPasswords): Likewise.
> >
> > find ./ -name '*.c' | xargs grep 'for *( *int '
> >
> > reveals another file, see the patch below.
> >
> >
> >>From 9f5f9112108c5ab42e56c1e4e9db185d7dfb6cf4 Mon Sep 17 00:00:00 2001
> > From: Hu Tao <hutao at cn.fujitsu.com>
> > Date: Wed, 28 Nov 2012 11:31:26 +0800
> > Subject: [PATCH] build: more fix to avoid C99 for loop
> >
> > see commit 7e5aa78d0f7f4cbf1c8
> >
> > * src/interface/interface_backend_udev.c: Declare variable sooner.
> > ---
> > src/interface/interface_backend_udev.c | 9 ++++++---
> > 1 file changed, 6 insertions(+), 3 deletions(-)
> >
> > diff --git a/src/interface/interface_backend_udev.c b/src/interface/interface_backend_udev.c
> > index 5a27cc5..ed73d54 100644
> > --- a/src/interface/interface_backend_udev.c
> > +++ b/src/interface/interface_backend_udev.c
> > @@ -515,12 +515,14 @@ udevIfaceScanDirFilter(const struct dirent *entry)
> > static void
> > udevIfaceFreeIfaceDef(virInterfaceDef *ifacedef)
> > {
> > + int i;
> > +
> > if (!ifacedef)
> > return;
> >
> > if (ifacedef->type == VIR_INTERFACE_TYPE_BRIDGE) {
> > VIR_FREE(ifacedef->data.bridge.delay);
> > - for (int i = 0; i < ifacedef->data.bridge.nbItf; i++) {
> > + for (i = 0; i < ifacedef->data.bridge.nbItf; i++) {
> > udevIfaceFreeIfaceDef(ifacedef->data.bridge.itf[i]);
> > }
> > VIR_FREE(ifacedef->data.bridge.itf);
> > @@ -547,6 +549,7 @@ udevIfaceGetIfaceDef(struct udev *udev, char *name)
> > char *vlan_parent_dev = NULL;
> > struct dirent **member_list = NULL;
> > int member_count = 0;
> > + int i;
> >
> > /* Allocate our interface definition structure */
> > if (VIR_ALLOC(ifacedef) < 0) {
> > @@ -679,7 +682,7 @@ udevIfaceGetIfaceDef(struct udev *udev, char *name)
> > }
> > ifacedef->data.bridge.nbItf = member_count;
> >
> > - for (int i= 0; i < member_count; i++) {
> > + for (i= 0; i < member_count; i++) {
>
> Ewww, this could use a space: s/i=/i =/
Fixed. Thanks for review!
>From 10e878a963aeb591121910f1d3b57af923acf5de Mon Sep 17 00:00:00 2001
From: Hu Tao <hutao at cn.fujitsu.com>
Date: Wed, 28 Nov 2012 18:13:21 +0800
Subject: [PATCH v2] build: more fix to avoid C99 for loop
see commit 7e5aa78d0f7f4cbf1c8
* src/interface/interface_backend_udev.c: Declare variable sooner.
---
v2:
- i=0 --> i = 0
src/interface/interface_backend_udev.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/src/interface/interface_backend_udev.c b/src/interface/interface_backend_udev.c
index 5a27cc5..9233e87 100644
--- a/src/interface/interface_backend_udev.c
+++ b/src/interface/interface_backend_udev.c
@@ -515,12 +515,14 @@ udevIfaceScanDirFilter(const struct dirent *entry)
static void
udevIfaceFreeIfaceDef(virInterfaceDef *ifacedef)
{
+ int i;
+
if (!ifacedef)
return;
if (ifacedef->type == VIR_INTERFACE_TYPE_BRIDGE) {
VIR_FREE(ifacedef->data.bridge.delay);
- for (int i = 0; i < ifacedef->data.bridge.nbItf; i++) {
+ for (i = 0; i < ifacedef->data.bridge.nbItf; i++) {
udevIfaceFreeIfaceDef(ifacedef->data.bridge.itf[i]);
}
VIR_FREE(ifacedef->data.bridge.itf);
@@ -547,6 +549,7 @@ udevIfaceGetIfaceDef(struct udev *udev, char *name)
char *vlan_parent_dev = NULL;
struct dirent **member_list = NULL;
int member_count = 0;
+ int i;
/* Allocate our interface definition structure */
if (VIR_ALLOC(ifacedef) < 0) {
@@ -679,7 +682,7 @@ udevIfaceGetIfaceDef(struct udev *udev, char *name)
}
ifacedef->data.bridge.nbItf = member_count;
- for (int i= 0; i < member_count; i++) {
+ for (i = 0; i < member_count; i++) {
ifacedef->data.bridge.itf[i] =
udevIfaceGetIfaceDef(udev, member_list[i]->d_name);
VIR_FREE(member_list[i]);
@@ -698,7 +701,7 @@ udevIfaceGetIfaceDef(struct udev *udev, char *name)
cleanup:
udev_device_unref(dev);
- for (int i = 0; i < member_count; i++) {
+ for (i = 0; i < member_count; i++) {
VIR_FREE(member_list[i]);
}
VIR_FREE(member_list);
--
1.8.0.1.240.ge8a1f5a
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