Corrected various zero-argument function definitions

- Functions should always specify their arguments, even if they take
  none. In C, not specifying arguments is different than specifying
  (void).

Signed-off-by: Haru <haru@dotalux.com>

6 files changed, 7 insertions, 6 deletions

diff --git a/src/map/itemdb.c b/src/map/itemdb.c
index 048efd636..6b888c23e 100644
--- a/src/map/itemdb.c
+++ b/src/map/itemdb.c
@@ -1254,7 +1254,8 @@ int itemdb_combo_split_atoi (char *str, int *val) {
 /**
  * <combo{:combo{:combo:{..}}}>,<{ script }>
  **/
-void itemdb_read_combos() {
+void itemdb_read_combos(void)
+{
 	uint32 lines = 0, count = 0;
 	char line[1024];
 	char filepath[256];
diff --git a/src/map/itemdb.h b/src/map/itemdb.h
index d751451c6..cde73f3b4 100644
--- a/src/map/itemdb.h
+++ b/src/map/itemdb.h
@@ -626,7 +626,7 @@ struct itemdb_interface {
 	int (*isidentified) (int nameid);
 	int (*isidentified2) (struct item_data *data);
 	int (*combo_split_atoi) (char *str, int *val);
-	void (*read_combos) ();
+	void (*read_combos) (void);
 	int (*gendercheck) (struct item_data *id);
 	int (*validate_entry) (struct item_data *entry, int n, const char *source);
 	void (*readdb_additional_fields) (int itemid, config_setting_t *it, int n, const char *source);
diff --git a/src/map/mob.c b/src/map/mob.c
index 37da81a15..4ed69ad01 100644
--- a/src/map/mob.c
+++ b/src/map/mob.c
@@ -4922,7 +4922,7 @@ void mob_reload(void) {
 /**
  * Clears spawn related information for a script reload.
  */
-void mob_clear_spawninfo()
+void mob_clear_spawninfo(void)
 {
 	int i;
 	for (i = 0; i < MAX_MOB_DB; i++)
diff --git a/src/map/mob.h b/src/map/mob.h
index 5485b2a91..77218bf4a 100644
--- a/src/map/mob.h
+++ b/src/map/mob.h
@@ -528,7 +528,7 @@ struct mob_interface {
 	bool (*readdb_race2) (char *fields[], int columns, int current);
 	bool (*readdb_itemratio) (char *str[], int columns, int current);
 	void (*load) (bool minimal);
-	void (*clear_spawninfo) ();
+	void (*clear_spawninfo) (void);
 	void (*destroy_mob_db) (int index);
 };
 
diff --git a/src/map/pet.c b/src/map/pet.c
index db8d0d1f1..c6f7e8cca 100644
--- a/src/map/pet.c
+++ b/src/map/pet.c
@@ -1178,7 +1178,7 @@ int pet_skill_support_timer(int tid, int64 tick, int id, intptr_t data) {
 /**
  * Loads (or reloads) the pet database.
  */
-int read_petdb()
+int read_petdb(void)
 {
 	const char *filename[] = {
 		DBPATH"pet_db.txt",
diff --git a/src/map/pet.h b/src/map/pet.h
index 2442a381f..83e39a887 100644
--- a/src/map/pet.h
+++ b/src/map/pet.h
@@ -166,7 +166,7 @@ struct pet_interface {
 	int (*skill_bonus_timer) (int tid, int64 tick, int id, intptr_t data);
 	int (*recovery_timer) (int tid, int64 tick, int id, intptr_t data);
 	int (*skill_support_timer) (int tid, int64 tick, int id, intptr_t data);
-	int (*read_db) ();
+	int (*read_db) (void);
 };
 
 #ifdef HERCULES_CORE