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authorOlivier Brunel <jjk@jjacky.com>2014-06-15 19:43:07 +0200
committerAllan McRae <allan@archlinux.org>2014-06-24 13:57:18 +1000
commit8dbb80cfe9e80a5b70ada4e0b58c97a28a9fc7f7 (patch)
tree318d6d9ec0f31a1b4ee90830ab00153a411f5f6b
parentf1fadecfb34555cfac1c47f217253a535d64a28b (diff)
events: Make alpm_event_t an union of all event-specific struct
Signed-off-by: Olivier Brunel <jjk@jjacky.com> Signed-off-by: Allan McRae <allan@archlinux.org>
-rw-r--r--lib/libalpm/alpm.h29
-rw-r--r--src/pacman/callback.c25
2 files changed, 34 insertions, 20 deletions
diff --git a/lib/libalpm/alpm.h b/lib/libalpm/alpm.h
index c81b1f2d..db1e0cd1 100644
--- a/lib/libalpm/alpm.h
+++ b/lib/libalpm/alpm.h
@@ -443,15 +443,10 @@ typedef enum _alpm_event_type_t {
ALPM_EVENT_PACORIG_CREATED
} alpm_event_type_t;
-/** Events.
- * This is a generic struct this is passed to the callback, that allows the
- * frontend to know which type of event was triggered. It is then possible to
- * typecast the pointer to the right structure, in order to access
- * event-specific data. */
-typedef struct _alpm_event_t {
+typedef struct _alpm_event_any_t {
/** Type of event. */
alpm_event_type_t type;
-} alpm_event_t;
+} alpm_event_any_t;
typedef enum _alpm_package_operation_t {
/** Package (to be) installed. (No oldpkg) */
@@ -563,6 +558,26 @@ typedef struct _alpm_event_pacorig_created_t {
const char *file;
} alpm_event_pacorig_created_t;
+/** Events.
+ * This is an union passed to the callback, that allows the frontend to know
+ * which type of event was triggered (via type). It is then possible to
+ * typecast the pointer to the right structure, or use the union field, in order
+ * to access event-specific data. */
+typedef union _alpm_event_t {
+ alpm_event_type_t type;
+ alpm_event_any_t any;
+ alpm_event_package_operation_t package_operation;
+ alpm_event_optdep_removal_t optdep_removal;
+ alpm_event_delta_patch_t delta_patch;
+ alpm_event_scriptlet_info_t scriptlet_info;
+ alpm_event_database_missing_t database_missing;
+ alpm_event_log_t log;
+ alpm_event_pkgdownload_t pkgdownload;
+ alpm_event_pacnew_created_t pacnew_created;
+ alpm_event_pacsave_created_t pacsave_created;
+ alpm_event_pacorig_created_t pacorig_created;
+} alpm_event_t;
+
/** Event callback. */
typedef void (*alpm_cb_event)(alpm_event_t *);
diff --git a/src/pacman/callback.c b/src/pacman/callback.c
index e3de75dd..9cde1de7 100644
--- a/src/pacman/callback.c
+++ b/src/pacman/callback.c
@@ -171,7 +171,7 @@ void cb_event(alpm_event_t *event)
break;
case ALPM_EVENT_PACKAGE_OPERATION_START:
if(config->noprogressbar) {
- alpm_event_package_operation_t *e = (alpm_event_package_operation_t *) event;
+ alpm_event_package_operation_t *e = &event->package_operation;
switch(e->operation) {
case ALPM_PACKAGE_INSTALL:
printf(_("installing %s...\n"), alpm_pkg_get_name(e->newpkg));
@@ -193,7 +193,7 @@ void cb_event(alpm_event_t *event)
break;
case ALPM_EVENT_PACKAGE_OPERATION_DONE:
{
- alpm_event_package_operation_t *e = (alpm_event_package_operation_t *) event;
+ alpm_event_package_operation_t *e = &event->package_operation;
switch(e->operation) {
case ALPM_PACKAGE_INSTALL:
display_optdepends(e->newpkg);
@@ -233,10 +233,9 @@ void cb_event(alpm_event_t *event)
printf(_("applying deltas...\n"));
break;
case ALPM_EVENT_DELTA_PATCH_START:
- {
- alpm_event_delta_patch_t *e = (alpm_event_delta_patch_t *) event;
- printf(_("generating %s with %s... "), e->delta->to, e->delta->delta);
- }
+ printf(_("generating %s with %s... "),
+ event->delta_patch.delta->to,
+ event->delta_patch.delta->delta);
break;
case ALPM_EVENT_DELTA_PATCH_DONE:
printf(_("success!\n"));
@@ -245,7 +244,7 @@ void cb_event(alpm_event_t *event)
printf(_("failed.\n"));
break;
case ALPM_EVENT_SCRIPTLET_INFO:
- fputs(((alpm_event_scriptlet_info_t *) event)->line, stdout);
+ fputs(event->scriptlet_info.line, stdout);
break;
case ALPM_EVENT_RETRIEVE_START:
colon_printf(_("Retrieving packages ...\n"));
@@ -257,7 +256,7 @@ void cb_event(alpm_event_t *event)
break;
case ALPM_EVENT_OPTDEP_REMOVAL:
{
- alpm_event_optdep_removal_t *e = (alpm_event_optdep_removal_t *) event;
+ alpm_event_optdep_removal_t *e = &event->optdep_removal;
colon_printf(_("%s optionally requires %s\n"),
alpm_pkg_get_name(e->pkg),
alpm_dep_compute_string(e->optdep));
@@ -267,12 +266,12 @@ void cb_event(alpm_event_t *event)
if(!config->op_s_sync) {
pm_printf(ALPM_LOG_WARNING,
"database file for '%s' does not exist\n",
- ((alpm_event_database_missing_t *) event)->dbname);
+ event->database_missing.dbname);
}
break;
case ALPM_EVENT_LOG:
{
- alpm_event_log_t *e = (alpm_event_log_t *) event;
+ alpm_event_log_t *e = &event->log;
if(!e->fmt || strlen(e->fmt) == 0) {
break;
}
@@ -290,7 +289,7 @@ void cb_event(alpm_event_t *event)
break;
case ALPM_EVENT_PACNEW_CREATED:
{
- alpm_event_pacnew_created_t *e = (alpm_event_pacnew_created_t *) event;
+ alpm_event_pacnew_created_t *e = &event->pacnew_created;
if(on_progress) {
char *string = NULL;
pm_sprintf(&string, ALPM_LOG_WARNING, _("%s installed as %s.pacnew\n"),
@@ -306,7 +305,7 @@ void cb_event(alpm_event_t *event)
break;
case ALPM_EVENT_PACSAVE_CREATED:
{
- alpm_event_pacsave_created_t *e = (alpm_event_pacsave_created_t *) event;
+ alpm_event_pacsave_created_t *e = &event->pacsave_created;
if(on_progress) {
char *string = NULL;
pm_sprintf(&string, ALPM_LOG_WARNING, _("%s saved as %s.pacsave\n"),
@@ -322,7 +321,7 @@ void cb_event(alpm_event_t *event)
break;
case ALPM_EVENT_PACORIG_CREATED:
{
- alpm_event_pacorig_created_t *e = (alpm_event_pacorig_created_t *) event;
+ alpm_event_pacorig_created_t *e = &event->pacorig_created;
if(on_progress) {
char *string = NULL;
pm_sprintf(&string, ALPM_LOG_WARNING, _("%s saved as %s.pacorig\n"),