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examples: Use G_N_ELEMENTS instead of ARRAY_CARDINALITY

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We try to keep the example programs independent of libraries
other than libvirt.

Rename the locally defined ARRAY_CARDINALITY macro to G_N_ELEMENTS
which GLib provides, even though we don't actually include GLib.

Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Ján Tomko 2019-10-15 13:51:20 +02:00
parent 88131931b8
commit d99f17a502
1 changed files with 13 additions and 13 deletions
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26
examples/c/misc/event-test.c
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@ -9,7 +9,7 @@
#include <libvirt/libvirt.h> #include <libvirt/libvirt.h>
#include <libvirt/virterror.h> #include <libvirt/virterror.h>
#define ARRAY_CARDINALITY(Array) (sizeof(Array) / sizeof(*(Array))) #define G_N_ELEMENTS(Array) (sizeof(Array) / sizeof(*(Array)))
#define STREQ(a, b) (strcmp(a, b) == 0) #define STREQ(a, b) (strcmp(a, b) == 0)
#define NULLSTR(s) ((s) ? (s) : "<null>") #define NULLSTR(s) ((s) ? (s) : "<null>")
@ -1135,10 +1135,10 @@ struct secretEventData secretEvents[] = {
}; };
/* make sure that the events are kept in sync */ /* make sure that the events are kept in sync */
verify(ARRAY_CARDINALITY(domainEvents) == VIR_DOMAIN_EVENT_ID_LAST); verify(G_N_ELEMENTS(domainEvents) == VIR_DOMAIN_EVENT_ID_LAST);
verify(ARRAY_CARDINALITY(storagePoolEvents) == VIR_STORAGE_POOL_EVENT_ID_LAST); verify(G_N_ELEMENTS(storagePoolEvents) == VIR_STORAGE_POOL_EVENT_ID_LAST);
verify(ARRAY_CARDINALITY(nodeDeviceEvents) == VIR_NODE_DEVICE_EVENT_ID_LAST); verify(G_N_ELEMENTS(nodeDeviceEvents) == VIR_NODE_DEVICE_EVENT_ID_LAST);
verify(ARRAY_CARDINALITY(secretEvents) == VIR_SECRET_EVENT_ID_LAST); verify(G_N_ELEMENTS(secretEvents) == VIR_SECRET_EVENT_ID_LAST);
int int
main(int argc, char **argv) main(int argc, char **argv)
@ -1190,7 +1190,7 @@ main(int argc, char **argv)
strdup("callback 1"), myFreeFunc); strdup("callback 1"), myFreeFunc);
/* register common domain callbacks */ /* register common domain callbacks */
for (i = 0; i < ARRAY_CARDINALITY(domainEvents); i++) { for (i = 0; i < G_N_ELEMENTS(domainEvents); i++) {
struct domainEventData *event = domainEvents + i; struct domainEventData *event = domainEvents + i;
event->id = virConnectDomainEventRegisterAny(dconn, NULL, event->id = virConnectDomainEventRegisterAny(dconn, NULL,
@ -1212,7 +1212,7 @@ main(int argc, char **argv)
strdup("net callback"), myFreeFunc); strdup("net callback"), myFreeFunc);
/* register common storage pool callbacks */ /* register common storage pool callbacks */
for (i = 0; i < ARRAY_CARDINALITY(storagePoolEvents); i++) { for (i = 0; i < G_N_ELEMENTS(storagePoolEvents); i++) {
struct storagePoolEventData *event = storagePoolEvents + i; struct storagePoolEventData *event = storagePoolEvents + i;
event->id = virConnectStoragePoolEventRegisterAny(dconn, NULL, event->id = virConnectStoragePoolEventRegisterAny(dconn, NULL,
@ -1228,7 +1228,7 @@ main(int argc, char **argv)
} }
/* register common node device callbacks */ /* register common node device callbacks */
for (i = 0; i < ARRAY_CARDINALITY(nodeDeviceEvents); i++) { for (i = 0; i < G_N_ELEMENTS(nodeDeviceEvents); i++) {
struct nodeDeviceEventData *event = nodeDeviceEvents + i; struct nodeDeviceEventData *event = nodeDeviceEvents + i;
event->id = virConnectNodeDeviceEventRegisterAny(dconn, NULL, event->id = virConnectNodeDeviceEventRegisterAny(dconn, NULL,
@ -1244,7 +1244,7 @@ main(int argc, char **argv)
} }
/* register common secret callbacks */ /* register common secret callbacks */
for (i = 0; i < ARRAY_CARDINALITY(secretEvents); i++) { for (i = 0; i < G_N_ELEMENTS(secretEvents); i++) {
struct secretEventData *event = secretEvents + i; struct secretEventData *event = secretEvents + i;
event->id = virConnectSecretEventRegisterAny(dconn, NULL, event->id = virConnectSecretEventRegisterAny(dconn, NULL,
@ -1282,27 +1282,27 @@ main(int argc, char **argv)
printf("Deregistering domain event callbacks\n"); printf("Deregistering domain event callbacks\n");
for (i = 0; i < ARRAY_CARDINALITY(domainEvents); i++) { for (i = 0; i < G_N_ELEMENTS(domainEvents); i++) {
if (domainEvents[i].id > 0) if (domainEvents[i].id > 0)
virConnectDomainEventDeregisterAny(dconn, domainEvents[i].id); virConnectDomainEventDeregisterAny(dconn, domainEvents[i].id);
} }
printf("Deregistering storage pool event callbacks\n"); printf("Deregistering storage pool event callbacks\n");
for (i = 0; i < ARRAY_CARDINALITY(storagePoolEvents); i++) { for (i = 0; i < G_N_ELEMENTS(storagePoolEvents); i++) {
if (storagePoolEvents[i].id > 0) if (storagePoolEvents[i].id > 0)
virConnectStoragePoolEventDeregisterAny(dconn, storagePoolEvents[i].id); virConnectStoragePoolEventDeregisterAny(dconn, storagePoolEvents[i].id);
} }
printf("Deregistering node device event callbacks\n"); printf("Deregistering node device event callbacks\n");
for (i = 0; i < ARRAY_CARDINALITY(nodeDeviceEvents); i++) { for (i = 0; i < G_N_ELEMENTS(nodeDeviceEvents); i++) {
if (nodeDeviceEvents[i].id > 0) if (nodeDeviceEvents[i].id > 0)
virConnectNodeDeviceEventDeregisterAny(dconn, nodeDeviceEvents[i].id); virConnectNodeDeviceEventDeregisterAny(dconn, nodeDeviceEvents[i].id);
} }
printf("Deregistering secret event callbacks\n"); printf("Deregistering secret event callbacks\n");
for (i = 0; i < ARRAY_CARDINALITY(secretEvents); i++) { for (i = 0; i < G_N_ELEMENTS(secretEvents); i++) {
if (secretEvents[i].id > 0) if (secretEvents[i].id > 0)
virConnectSecretEventDeregisterAny(dconn, secretEvents[i].id); virConnectSecretEventDeregisterAny(dconn, secretEvents[i].id);
} }