From dc7f3fefad5f136c0655734a35ae624758d73845 Mon Sep 17 00:00:00 2001
From: Dvir Volk <dvirsky@gmail.com>
Date: Wed, 22 Jun 2016 17:32:41 +0300
Subject: [PATCH] added RM_Calloc implementation

---
 src/module.c      | 11 ++++++++++-
 src/redismodule.h |  3 +++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/module.c b/src/module.c
index 54f27907..56f225ab 100644
--- a/src/module.c
+++ b/src/module.c
@@ -172,11 +172,19 @@ void RM_ZsetRangeStop(RedisModuleKey *key);
 /* Use like malloc(). Memory allocated with this function is reported in
  * Redis INFO memory, used for keys eviction according to maxmemory settings
  * and in general is taken into account as memory allocated by Redis.
- * You should avoid to use malloc(). */
+ * You should avoid using malloc(). */
 void *RM_Alloc(size_t bytes) {
     return zmalloc(bytes);
 }
 
+/* Use like calloc(). Memory allocated with this function is reported in
+ * Redis INFO memory, used for keys eviction according to maxmemory settings
+ * and in general is taken into account as memory allocated by Redis.
+ * You should avoid using calloc() directly. */
+void *RM_Calloc(size_t nmemb, size_t size) {
+    return zcalloc(nmemb*size);
+}
+
 /* Use like realloc() for memory obtained with RedisModule_Alloc(). */
 void* RM_Realloc(void *ptr, size_t bytes) {
     return zrealloc(ptr,bytes);
@@ -2791,6 +2799,7 @@ int moduleRegisterApi(const char *funcname, void *funcptr) {
 void moduleRegisterCoreAPI(void) {
     server.moduleapi = dictCreate(&moduleAPIDictType,NULL);
     REGISTER_API(Alloc);
+    REGISTER_API(Calloc);
     REGISTER_API(Realloc);
     REGISTER_API(Free);
     REGISTER_API(Strdup);
diff --git a/src/redismodule.h b/src/redismodule.h
index 618b39e4..080d3fd1 100644
--- a/src/redismodule.h
+++ b/src/redismodule.h
@@ -96,9 +96,11 @@ typedef void (*RedisModuleTypeFreeFunc)(void *value);
 
 #define REDISMODULE_API_FUNC(x) (*x)
 
+
 void *REDISMODULE_API_FUNC(RedisModule_Alloc)(size_t bytes);
 void *REDISMODULE_API_FUNC(RedisModule_Realloc)(void *ptr, size_t bytes);
 void REDISMODULE_API_FUNC(RedisModule_Free)(void *ptr);
+void REDISMODULE_API_FUNC(RedisModule_Calloc)(size_t nmemb, size_t size);
 char *REDISMODULE_API_FUNC(RedisModule_Strdup)(const char *str);
 int REDISMODULE_API_FUNC(RedisModule_GetApi)(const char *, void *);
 int REDISMODULE_API_FUNC(RedisModule_CreateCommand)(RedisModuleCtx *ctx, const char *name, RedisModuleCmdFunc cmdfunc, const char *strflags, int firstkey, int lastkey, int keystep);
@@ -187,6 +189,7 @@ static int RedisModule_Init(RedisModuleCtx *ctx, const char *name, int ver, int
     void *getapifuncptr = ((void**)ctx)[0];
     RedisModule_GetApi = (int (*)(const char *, void *)) (unsigned long)getapifuncptr;
     REDISMODULE_GET_API(Alloc);
+    REDISMODULE_GET_API(Calloc);
     REDISMODULE_GET_API(Free);
     REDISMODULE_GET_API(Realloc);
     REDISMODULE_GET_API(Strdup);