From 1c7a2269d6067de23b0f5d765fdf3a44a3edd4a6 Mon Sep 17 00:00:00 2001
From: Guy Benoish <guy.benoish@redislabs.com>
Date: Tue, 4 Feb 2020 19:28:09 +0530
Subject: [PATCH] Add RM_CreateStringFromDouble

---
 src/module.c      | 12 ++++++++++++
 src/redismodule.h |  2 ++
 2 files changed, 14 insertions(+)

diff --git a/src/module.c b/src/module.c
index d2b267be2..91437c6a6 100644
--- a/src/module.c
+++ b/src/module.c
@@ -1037,6 +1037,17 @@ RedisModuleString *RM_CreateStringFromLongLong(RedisModuleCtx *ctx, long long ll
     return RM_CreateString(ctx,buf,len);
 }
 
+/* Like RedisModule_CreatString(), but creates a string starting from a double
+ * integer instead of taking a buffer and its length.
+ *
+ * The returned string must be released with RedisModule_FreeString() or by
+ * enabling automatic memory management. */
+RedisModuleString *RM_CreateStringFromDouble(RedisModuleCtx *ctx, double d) {
+    char buf[128];
+    size_t len = d2string(buf,sizeof(buf),d);
+    return RM_CreateString(ctx,buf,len);
+}
+
 /* Like RedisModule_CreatString(), but creates a string starting from a long
  * double.
  *
@@ -7656,6 +7667,7 @@ void moduleRegisterCoreAPI(void) {
     REGISTER_API(CreateStringFromCallReply);
     REGISTER_API(CreateString);
     REGISTER_API(CreateStringFromLongLong);
+    REGISTER_API(CreateStringFromDouble);
     REGISTER_API(CreateStringFromLongDouble);
     REGISTER_API(CreateStringFromString);
     REGISTER_API(CreateStringPrintf);
diff --git a/src/redismodule.h b/src/redismodule.h
index 637078f2b..95dd80e8e 100644
--- a/src/redismodule.h
+++ b/src/redismodule.h
@@ -467,6 +467,7 @@ size_t REDISMODULE_API_FUNC(RedisModule_CallReplyLength)(RedisModuleCallReply *r
 RedisModuleCallReply *REDISMODULE_API_FUNC(RedisModule_CallReplyArrayElement)(RedisModuleCallReply *reply, size_t idx);
 RedisModuleString *REDISMODULE_API_FUNC(RedisModule_CreateString)(RedisModuleCtx *ctx, const char *ptr, size_t len);
 RedisModuleString *REDISMODULE_API_FUNC(RedisModule_CreateStringFromLongLong)(RedisModuleCtx *ctx, long long ll);
+RedisModuleString *REDISMODULE_API_FUNC(RedisModule_CreateStringFromDouble)(RedisModuleCtx *ctx, double d);
 RedisModuleString *REDISMODULE_API_FUNC(RedisModule_CreateStringFromLongDouble)(RedisModuleCtx *ctx, long double ld, int humanfriendly);
 RedisModuleString *REDISMODULE_API_FUNC(RedisModule_CreateStringFromString)(RedisModuleCtx *ctx, const RedisModuleString *str);
 RedisModuleString *REDISMODULE_API_FUNC(RedisModule_CreateStringPrintf)(RedisModuleCtx *ctx, const char *fmt, ...);
@@ -726,6 +727,7 @@ static int RedisModule_Init(RedisModuleCtx *ctx, const char *name, int ver, int
     REDISMODULE_GET_API(CreateStringFromCallReply);
     REDISMODULE_GET_API(CreateString);
     REDISMODULE_GET_API(CreateStringFromLongLong);
+    REDISMODULE_GET_API(CreateStringFromDouble);
     REDISMODULE_GET_API(CreateStringFromLongDouble);
     REDISMODULE_GET_API(CreateStringFromString);
     REDISMODULE_GET_API(CreateStringPrintf);