add compile flag to treat all warnings as errors.

[TD-118]

cmake/platform.inc

@@ -107,12 +107,12 @@ IF (TD_LINUX_64)
     SET(RELEASE_FLAGS "-O0")
     IF (NOT TD_ARM)
       IF (${CMAKE_CXX_COMPILER_ID} MATCHES "Clang")
-        SET(COMMON_FLAGS "-std=gnu99 -Wall -fPIC -malign-double -g3 -gdwarf-2 -msse4.2 -D_FILE_OFFSET_BITS=64 -D_LARGE_FILE")
+        SET(COMMON_FLAGS "-std=gnu99 -Wall -Werror -Wno-missing-braces -fPIC -g3 -gdwarf-2 -msse4.2 -D_FILE_OFFSET_BITS=64 -D_LARGE_FILE")
       ELSE ()
-        SET(COMMON_FLAGS "-std=gnu99 -Wall -fPIC -malign-double -g3 -gdwarf-2 -malign-stringops -msse4.2 -D_FILE_OFFSET_BITS=64 -D_LARGE_FILE")
+        SET(COMMON_FLAGS "-std=gnu99 -Wall -Werror -fPIC -malign-double -g3 -gdwarf-2 -malign-stringops -msse4.2 -D_FILE_OFFSET_BITS=64 -D_LARGE_FILE")
       ENDIF ()
     ELSE ()
-      SET(COMMON_FLAGS "-std=gnu99 -Wall -fPIC -g -fsigned-char -fpack-struct=8 -D_FILE_OFFSET_BITS=64 -D_LARGE_FILE")
+      SET(COMMON_FLAGS "-std=gnu99 -Wall -Werror -fPIC -g -fsigned-char -fpack-struct=8 -D_FILE_OFFSET_BITS=64 -D_LARGE_FILE")
     ENDIF ()
     ADD_DEFINITIONS(-DLINUX)
     ADD_DEFINITIONS(-D_REENTRANT -D__USE_POSIX -D_LIBC_REENTRANT)
@@ -128,7 +128,7 @@ IF (TD_LINUX_64)
     ENDIF ()
     SET(DEBUG_FLAGS "-O0 -DDEBUG")
     SET(RELEASE_FLAGS "-O0")
-    SET(COMMON_FLAGS "-std=gnu99 -Wall -fPIC -g -fsigned-char -munaligned-access -fpack-struct=8 -latomic -D_FILE_OFFSET_BITS=64 -D_LARGE_FILE")
+    SET(COMMON_FLAGS "-std=gnu99 -Wall -Werror -fPIC -g -fsigned-char -munaligned-access -fpack-struct=8 -latomic -D_FILE_OFFSET_BITS=64 -D_LARGE_FILE")
     ADD_DEFINITIONS(-DLINUX)
     ADD_DEFINITIONS(-D_REENTRANT -D__USE_POSIX -D_LIBC_REENTRANT)
     ADD_DEFINITIONS(-DUSE_LIBICONV)
@@ -141,7 +141,7 @@ IF (TD_LINUX_64)
   ELSEIF (TD_WINDOWS_64)
     SET(CMAKE_GENERATOR "NMake Makefiles" CACHE INTERNAL "" FORCE)
     IF (NOT TD_GODLL)
-      SET(COMMON_FLAGS "/nologo /WX- /Oi /Oy- /Gm- /EHsc /MT /GS /Gy /fp:precise /Zc:wchar_t /Zc:forScope /Gd /errorReport:prompt /analyze-")
+      SET(COMMON_FLAGS "/nologo /WX /Oi /Oy- /Gm- /EHsc /MT /GS /Gy /fp:precise /Zc:wchar_t /Zc:forScope /Gd /errorReport:prompt /analyze-")
       SET(DEBUG_FLAGS "/Zi /W3 /GL")
       SET(RELEASE_FLAGS "/W0 /GL")
     ENDIF ()
@@ -151,7 +151,7 @@ IF (TD_LINUX_64)
     ADD_DEFINITIONS(-DPTW32_BUILD)
     ADD_DEFINITIONS(-D_MBCS -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE)
   ELSEIF (TD_DARWIN_64)
-    SET(COMMON_FLAGS "-std=gnu99 -Wall -fPIC -malign-double -g -msse4.2 -D_FILE_OFFSET_BITS=64 -D_LARGE_FILE")
+    SET(COMMON_FLAGS "-std=gnu99 -Wall -Werror -Wno-missing-braces -fPIC -g -msse4.2 -D_FILE_OFFSET_BITS=64 -D_LARGE_FILE")
     SET(DEBUG_FLAGS "-O0 -DDEBUG")
     SET(RELEASE_FLAGS "-O0")
     ADD_DEFINITIONS(-DDARWIN)

src/client/src/tscSchemaUtil.c

@@ -210,7 +210,7 @@ char* tsGetTagsValue(STableMeta* pTableMeta) {
 }
 
 // todo refactor
-static FORCE_INLINE char* skipSegments(char* input, char delim, int32_t num) {
+__attribute__ ((unused))static FORCE_INLINE char* skipSegments(char* input, char delim, int32_t num) {
   for (int32_t i = 0; i < num; ++i) {
     while (*input != 0 && *input++ != delim) {
     };
@@ -218,7 +218,7 @@ static FORCE_INLINE char* skipSegments(char* input, char delim, int32_t num) {
   return input;
 }
 
-static FORCE_INLINE size_t copy(char* dst, const char* src, char delimiter) {
+__attribute__ ((unused)) static FORCE_INLINE size_t copy(char* dst, const char* src, char delimiter) {
   size_t len = 0;
   while (*src != delimiter && *src != 0) {
     *dst++ = *src++;

src/client/src/tscSub.c

@@ -108,7 +108,7 @@ static SSub* tscCreateSubscription(STscObj* pObj, const char* topic, const char*
   if (pSql == NULL) {
     terrno = TSDB_CODE_CLI_OUT_OF_MEMORY;
     tscError("failed to allocate SSqlObj for subscription");
-    goto failed;
+    goto _pSql_failed;
   }
 
   pSql->signature = pSql;
@@ -137,13 +137,11 @@ static SSub* tscCreateSubscription(STscObj* pObj, const char* topic, const char*
   return pSub;
 
 failed:
-  if (sqlstr != NULL) {
-    free(sqlstr);
-  }
-  if (pSql != NULL) {
-    free(pSql);
-  }
-  free(pSub);
+  tfree(sqlstr);
+
+_pSql_failed:
+  tfree(pSql);
+  tfree(pSub);
   return NULL;
 }
 

src/common/src/name.c

@@ -6,7 +6,7 @@
 #include "ttokendef.h"
 
 // todo refactor
-static FORCE_INLINE const char* skipSegments(const char* input, char delim, int32_t num) {
+__attribute__((unused)) static FORCE_INLINE const char* skipSegments(const char* input, char delim, int32_t num) {
   for (int32_t i = 0; i < num; ++i) {
     while (*input != 0 && *input++ != delim) {
     };
@@ -14,7 +14,7 @@ static FORCE_INLINE const char* skipSegments(const char* input, char delim, int3
   return input;
 }
 
-static FORCE_INLINE size_t copy(char* dst, const char* src, char delimiter) {
+__attribute__((unused)) static FORCE_INLINE size_t copy(char* dst, const char* src, char delimiter) {
   size_t len = 0;
   while (*src != delimiter && *src != 0) {
     *dst++ = *src++;

src/inc/taosmsg.h

@@ -753,12 +753,12 @@ typedef struct {
 
 typedef struct {
   int32_t    numOfQueries;
-  SQueryDesc qdesc[];
+  SQueryDesc *qdesc;
 } SQqueryList;
 
 typedef struct {
   int32_t     numOfStreams;
-  SStreamDesc sdesc[];
+  SStreamDesc *sdesc;
 } SStreamList;
 
 typedef struct {

src/mnode/inc/mgmtGrant.h

@@ -14,7 +14,7 @@
  */
 
 #ifndef TDENGINE_MGMT_GRANT_H
-#define TDENGINE_MGMT_GTANT_H
+#define TDENGINE_MGMT_GRANT_H
 
 #ifdef __cplusplus
 "C" {

src/query/inc/tlosertree.h

@@ -38,7 +38,7 @@ typedef struct SLoserTreeInfo {
   SLoserTreeNode *pNode;
 } SLoserTreeInfo;
 
-uint8_t tLoserTreeCreate(SLoserTreeInfo **pTree, int32_t numOfEntries, void *param, __merge_compare_fn_t compareFn);
+uint32_t tLoserTreeCreate(SLoserTreeInfo **pTree, int32_t numOfEntries, void *param, __merge_compare_fn_t compareFn);
 
 void tLoserTreeInit(SLoserTreeInfo *pTree);
 

src/query/src/queryExecutor.c

@@ -5707,7 +5707,7 @@ static SQInfo *createQInfoImpl(SQueryTableMsg *pQueryMsg, SSqlGroupbyExpr *pGrou
                                SArray *pTableIdList) {
   SQInfo *pQInfo = (SQInfo *)calloc(1, sizeof(SQInfo));
   if (pQInfo == NULL) {
-    goto _clean_memory;
+    goto _clean_pQInfo_memory;
   }
 
   SQuery *pQuery = calloc(1, sizeof(SQuery));
@@ -5836,6 +5836,7 @@ _clean_memory:
   tfree(pExprs);
   tfree(pGroupbyExpr);
 
+_clean_pQInfo_memory:
   tfree(pQInfo);
 
   return NULL;

src/query/src/tlosertree.c

@@ -40,7 +40,7 @@ void tLoserTreeDisplay(SLoserTreeInfo* pTree) {
   printf("\n");
 }
 
-uint8_t tLoserTreeCreate(SLoserTreeInfo** pTree, int32_t numOfEntries, void* param, __merge_compare_fn_t compareFn) {
+uint32_t tLoserTreeCreate(SLoserTreeInfo** pTree, int32_t numOfEntries, void* param, __merge_compare_fn_t compareFn) {
   int32_t totalEntries = numOfEntries << 1;
 
   *pTree = (SLoserTreeInfo*)calloc(1, sizeof(SLoserTreeInfo) + sizeof(SLoserTreeNode) * totalEntries);

src/util/src/tskiplist.c

@@ -18,7 +18,7 @@
 #include "tskiplist.h"
 #include "tutil.h"
 
-static FORCE_INLINE void recordNodeEachLevel(SSkipList *pSkipList, int32_t level) {  // record link count in each level
+__attribute__ ((unused)) static FORCE_INLINE void recordNodeEachLevel(SSkipList *pSkipList, int32_t level) {  // record link count in each level
 #if SKIP_LIST_RECORD_PERFORMANCE
   for (int32_t i = 0; i < level; ++i) {
     pSkipList->state.nLevelNodeCnt[i]++;
@@ -26,7 +26,7 @@ static FORCE_INLINE void recordNodeEachLevel(SSkipList *pSkipList, int32_t level
 #endif
 }
 
-static FORCE_INLINE void removeNodeEachLevel(SSkipList *pSkipList, int32_t level) {
+__attribute__ ((unused)) static FORCE_INLINE void removeNodeEachLevel(SSkipList *pSkipList, int32_t level) {
 #if SKIP_LIST_RECORD_PERFORMANCE
   for (int32_t i = 0; i < level; ++i) {
     pSkipList->state.nLevelNodeCnt[i]--;