[libvirt] [PATCH 09/12] util: use VIR_(APPEND|DELETE)_ELEMENTS_N for hardware device lists
In both pci and usb cases, the count that held the size of the list
was int so it had to be changed to size_t.
---
src/util/hostusb.c | 24 ++++++------------------
src/util/pci.c | 30 +++++++++---------------------
2 files changed, 15 insertions(+), 39 deletions(-)
diff --git a/src/util/hostusb.c b/src/util/hostusb.c
index 81a9f5a..b0c87d6 100644
--- a/src/util/hostusb.c
+++ b/src/util/hostusb.c
@@ -56,7 +56,7 @@ struct _usbDevice {
};
struct _usbDeviceList {
- unsigned int count;
+ size_t count;
usbDevice **devs;
};
@@ -426,13 +426,11 @@ usbDeviceListAdd(usbDeviceList *list,
return -1;
}
- if (VIR_REALLOC_N(list->devs, list->count+1) < 0) {
+ if (VIR_APPEND_ELEMENTS_N(list->devs, list->count, 1, &dev) < 0) {
virReportOOMError();
return -1;
}
- list->devs[list->count++] = dev;
-
return 0;
}
@@ -461,22 +459,12 @@ usbDeviceListSteal(usbDeviceList *list,
int i;
for (i = 0; i < list->count; i++) {
- if (list->devs[i]->bus != dev->bus ||
- list->devs[i]->dev != dev->dev)
- continue;
-
+ if (list->devs[i]->bus == dev->bus &&
+ list->devs[i]->dev == dev->dev) {
ret = list->devs[i];
-
- if (i != list->count--)
- memmove(&list->devs[i],
- &list->devs[i+1],
- sizeof(*list->devs) * (list->count - i));
-
- if (VIR_REALLOC_N(list->devs, list->count) < 0) {
- ; /* not fatal */
- }
-
+ ignore_value(VIR_DELETE_ELEMENTS_N(list->devs, i, list->count, i));
break;
+ }
}
return ret;
}
diff --git a/src/util/pci.c b/src/util/pci.c
index 83d86b7..7d90ef6 100644
--- a/src/util/pci.c
+++ b/src/util/pci.c
@@ -74,7 +74,7 @@ struct _pciDevice {
};
struct _pciDeviceList {
- unsigned count;
+ size_t count;
pciDevice **devs;
};
@@ -1525,13 +1525,11 @@ pciDeviceListAdd(pciDeviceList *list,
return -1;
}
- if (VIR_REALLOC_N(list->devs, list->count+1) < 0) {
+ if (VIR_APPEND_ELEMENTS_N(list->devs, list->count, 1, &dev) < 0) {
virReportOOMError();
return -1;
}
- list->devs[list->count++] = dev;
-
return 0;
}
@@ -1561,24 +1559,14 @@ pciDeviceListSteal(pciDeviceList *list,
int i;
for (i = 0; i < list->count; i++) {
- if (list->devs[i]->domain != dev->domain ||
- list->devs[i]->bus != dev->bus ||
- list->devs[i]->slot != dev->slot ||
- list->devs[i]->function != dev->function)
- continue;
-
- ret = list->devs[i];
-
- if (i != --list->count)
- memmove(&list->devs[i],
- &list->devs[i+1],
- sizeof(*list->devs) * (list->count-i));
-
- if (VIR_REALLOC_N(list->devs, list->count) < 0) {
- ; /* not fatal */
+ if (list->devs[i]->domain == dev->domain &&
+ list->devs[i]->bus == dev->bus &&
+ list->devs[i]->slot == dev->slot &&
+ list->devs[i]->function == dev->function) {
+ ret = list->devs[i];
+ ignore_value(VIR_DELETE_ELEMENTS_N(list->devs, i, list->count, 1));
+ break;
}
-
- break;
}
return ret;
}
--
1.7.11.7