From a8857320a5f0a655d7c84939040283176144a5fd Mon Sep 17 00:00:00 2001
From: Guy Benoish <guy.benoish@redislabs.com>
Date: Thu, 6 Feb 2020 15:13:52 +0530
Subject: Modules: Perform printf-like format checks in variadic API

---
 src/redismodule.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/redismodule.h b/src/redismodule.h
index d26c41456..754ee4fc6 100644
--- a/src/redismodule.h
+++ b/src/redismodule.h
@@ -470,7 +470,7 @@ RedisModuleString *REDISMODULE_API_FUNC(RedisModule_CreateStringFromLongLong)(Re
 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, ...);
+RedisModuleString *REDISMODULE_API_FUNC(RedisModule_CreateStringPrintf)(RedisModuleCtx *ctx, const char *fmt, ...); __attribute__ ((format (printf, 2, 3)));
 void REDISMODULE_API_FUNC(RedisModule_FreeString)(RedisModuleCtx *ctx, RedisModuleString *str);
 const char *REDISMODULE_API_FUNC(RedisModule_StringPtrLen)(const RedisModuleString *str, size_t *len);
 int REDISMODULE_API_FUNC(RedisModule_ReplyWithError)(RedisModuleCtx *ctx, const char *err);
@@ -554,8 +554,8 @@ void REDISMODULE_API_FUNC(RedisModule_SaveLongDouble)(RedisModuleIO *io, long do
 long double REDISMODULE_API_FUNC(RedisModule_LoadLongDouble)(RedisModuleIO *io);
 void *REDISMODULE_API_FUNC(RedisModule_LoadDataTypeFromString)(const RedisModuleString *str, const RedisModuleType *mt);
 RedisModuleString *REDISMODULE_API_FUNC(RedisModule_SaveDataTypeToString)(RedisModuleCtx *ctx, void *data, const RedisModuleType *mt);
-void REDISMODULE_API_FUNC(RedisModule_Log)(RedisModuleCtx *ctx, const char *level, const char *fmt, ...);
-void REDISMODULE_API_FUNC(RedisModule_LogIOError)(RedisModuleIO *io, const char *levelstr, const char *fmt, ...);
+void REDISMODULE_API_FUNC(RedisModule_Log)(RedisModuleCtx *ctx, const char *level, const char *fmt, ...); __attribute__ ((format (printf, 3, 4)));
+void REDISMODULE_API_FUNC(RedisModule_LogIOError)(RedisModuleIO *io, const char *levelstr, const char *fmt, ...); __attribute__ ((format (printf, 3, 4)));
 void REDISMODULE_API_FUNC(RedisModule__Assert)(const char *estr, const char *file, int line);
 void REDISMODULE_API_FUNC(RedisModule_LatencyAddSample)(const char *event, mstime_t latency);
 int REDISMODULE_API_FUNC(RedisModule_StringAppendBuffer)(RedisModuleCtx *ctx, RedisModuleString *str, const char *buf, size_t len);
-- 
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