From: Marko Kreen <markokr@gmail.com>
Date: Fri, 18 Jan 2008 07:03:37 +0000 (+0000)
Subject: tag few functions with const
X-Git-Tag: pgbouncer_1_2_rc2~56
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=4ec858f485d5da337cffae55c69d6b92352c066c;p=pgbouncer

tag few functions with const
---

diff --git a/include/list.h b/include/list.h
index e9362e8..ed3ec6f 100644
--- a/include/list.h
+++ b/include/list.h
@@ -56,7 +56,7 @@ static inline void list_init(List *list)
 }
 
 /* is list empty? */
-static inline bool list_empty(List *list)
+static inline bool list_empty(const List *list)
 {
 	return list->next == list;
 }
@@ -103,7 +103,7 @@ static inline List *list_pop(List *list)
 }
 
 /* remove first from list and return */
-static inline List *list_first(List *list)
+static inline List *list_first(const List *list)
 {
 	if (list_empty(list))
 		return NULL;
@@ -153,7 +153,7 @@ static inline void list_append_list(List *src, List *dst)
 	     (item) != (list); \
 	     (item) = (tmp), (tmp) = (tmp)->next)
 
-static inline bool item_in_list(List *item, List *list)
+static inline bool item_in_list(const List *item, const List *list)
 {
 	List *tmp;
 	list_for_each(tmp, list)
@@ -228,7 +228,7 @@ static inline void statlist_init(StatList *list, const char *name)
 #endif
 }
 
-static inline int statlist_count(StatList *list)
+static inline int statlist_count(const StatList *list)
 {
 	Assert(list->cur_count > 0 || list_empty(&list->head));
 	return list->cur_count;
@@ -260,12 +260,12 @@ static inline void statlist_append_list(StatList *src, StatList *dst)
 	src->cur_count = 0;
 }
 
-static inline List *statlist_first(StatList *list)
+static inline List *statlist_first(const StatList *list)
 {
 	return list_first(&list->head);
 }
 
-static inline bool statlist_empty(StatList *list)
+static inline bool statlist_empty(const StatList *list)
 {
 	return list_empty(&list->head);
 }
diff --git a/include/slab.h b/include/slab.h
index 276523a..8cc8e0e 100644
--- a/include/slab.h
+++ b/include/slab.h
@@ -11,9 +11,9 @@ void objcache_destroy(ObjectCache *cache);
 void * obj_alloc(ObjectCache *cache) _MALLOC _MUSTCHECK;
 void obj_free(ObjectCache *cache, void *obj);
 
-int objcache_total_count(ObjectCache *cache);
-int objcache_free_count(ObjectCache *cache);
-int objcache_active_count(ObjectCache *cache);
+int objcache_total_count(const ObjectCache *cache);
+int objcache_free_count(const ObjectCache *cache);
+int objcache_active_count(const ObjectCache *cache);
 
 typedef void (*slab_stat_fn)(void *arg, const char *slab_name,
 			     unsigned size, unsigned free, 
diff --git a/src/slab.c b/src/slab.c
index 8f6170b..b867f1d 100644
--- a/src/slab.c
+++ b/src/slab.c
@@ -188,19 +188,19 @@ void obj_free(ObjectCache *cache, void *obj)
 }
 
 /* total number of objects allocated from cache */
-int objcache_total_count(ObjectCache *cache)
+int objcache_total_count(const ObjectCache *cache)
 {
 	return cache->total_count;
 }
 
 /* free objects in cache */
-int objcache_free_count(ObjectCache *cache)
+int objcache_free_count(const ObjectCache *cache)
 {
 	return statlist_count(&cache->freelist);
 }
 
 /* number of objects in use */
-int objcache_active_count(ObjectCache *cache)
+int objcache_active_count(const ObjectCache *cache)
 {
 	return objcache_total_count(cache) - objcache_free_count(cache);
 }