Merge pull request #2197 from taosdata/coverity_scan

Coverity scan

src/kit/shell/src/shellEngine.c

@@ -727,10 +727,6 @@ void read_history() {
   char f_history[TSDB_FILENAME_LEN];
   get_history_path(f_history);
 
-  if (access(f_history, R_OK) == -1) {
-    return;
-  }
-
   FILE *f = fopen(f_history, "r");
   if (f == NULL) {
     fprintf(stderr, "Opening file %s\n", f_history);
@@ -809,14 +805,6 @@ void source_file(TAOS *con, char *fptr) {
     return;
   }
   
-  if (access(fname, R_OK) != 0) {
-    fprintf(stderr, "ERROR: file %s is not readable\n", fptr);
-  
-    wordfree(&full_path);
-    free(cmd);
-    return;
-  }
-
   FILE *f = fopen(fname, "r");
   if (f == NULL) {
     fprintf(stderr, "ERROR: failed to open file %s\n", fname);

src/kit/taosdump/taosdump.c

@@ -646,10 +646,9 @@ int taosDumpDb(SDbInfo *dbInfo, SDumpArguments *arguments, FILE *fp) {
     taosDumpTable(tableRecord.name, tableRecord.metric, arguments, fp);
   }
 
-  tclose(fd);
-  remove(".table.tmp");
+  close(fd);
 
-  return 0;
+  return remove(".table.tmp");
 }
 
 void taosDumpCreateTableClause(STableDef *tableDes, int numOfCols, SDumpArguments *arguments, FILE *fp) {

src/plugins/http/src/gcHandle.c

@@ -22,9 +22,27 @@
 #include "taosdef.h"
 
 static HttpDecodeMethod gcDecodeMethod = {"grafana", gcProcessRequest};
-static HttpEncodeMethod gcHeartBeatMethod = {NULL, gcSendHeartBeatResp, NULL, NULL, NULL, NULL, NULL, NULL};
+static HttpEncodeMethod gcHeartBeatMethod = {
+  .startJsonFp          = NULL,         
+  .stopJsonFp           = gcSendHeartBeatResp, 
+  .buildQueryJsonFp     = NULL,
+  .buildAffectRowJsonFp = NULL, 
+  .initJsonFp           = NULL, 
+  .cleanJsonFp          = NULL,
+  .checkFinishedFp      = NULL,
+  .setNextCmdFp         = NULL
+};
+
 static HttpEncodeMethod gcQueryMethod = {
-    NULL, gcStopQueryJson, gcBuildQueryJson, NULL, gcInitQueryJson, gcCleanQueryJson, NULL, NULL};
+  .startJsonFp          = NULL,         
+  .stopJsonFp           = gcStopQueryJson, 
+  .buildQueryJsonFp     = gcBuildQueryJson,
+  .buildAffectRowJsonFp = NULL, 
+  .initJsonFp           = gcInitQueryJson, 
+  .cleanJsonFp          = gcCleanQueryJson,
+  .checkFinishedFp      = NULL,
+  .setNextCmdFp         = NULL
+};
 
 void gcInitHandle(HttpServer* pServer) { httpAddMethod(pServer, &gcDecodeMethod); }
 

src/plugins/http/src/httpSql.c

@@ -87,7 +87,7 @@ void httpProcessMultiSqlCallBack(void *param, TAOS_RES *result, int code) {
   }
 
   if (code < 0) {
-    if (encode->checkFinishedFp != NULL && !encode->checkFinishedFp(pContext, singleCmd, code >= 0 ? 0 : code)) {
+    if (encode->checkFinishedFp != NULL && !encode->checkFinishedFp(pContext, singleCmd, -code)) {
       singleCmd->code = code;
       httpTrace("context:%p, fd:%d, ip:%s, user:%s, process pos jump to:%d, last code:%s, last sql:%s",
                 pContext, pContext->fd, pContext->ipstr, pContext->user, multiCmds->pos + 1, tstrerror(code), sql);

src/plugins/http/src/restHandle.c

@@ -22,11 +22,37 @@
 static HttpDecodeMethod restDecodeMethod = {"rest", restProcessRequest};
 static HttpDecodeMethod restDecodeMethod2 = {"restful", restProcessRequest};
 static HttpEncodeMethod restEncodeSqlTimestampMethod = {
-    restStartSqlJson, restStopSqlJson, restBuildSqlTimestampJson, restBuildSqlAffectRowsJson, NULL, NULL, NULL, NULL};
+  .startJsonFp          = restStartSqlJson,         
+  .stopJsonFp           = restStopSqlJson, 
+  .buildQueryJsonFp     = restBuildSqlTimestampJson,
+  .buildAffectRowJsonFp = restBuildSqlAffectRowsJson, 
+  .initJsonFp           = NULL, 
+  .cleanJsonFp          = NULL,
+  .checkFinishedFp      = NULL,
+  .setNextCmdFp         = NULL
+};
+
 static HttpEncodeMethod restEncodeSqlLocalTimeStringMethod = {
-    restStartSqlJson, restStopSqlJson, restBuildSqlLocalTimeStringJson, restBuildSqlAffectRowsJson, NULL, NULL, NULL, NULL};
+  .startJsonFp          = restStartSqlJson,         
+  .stopJsonFp           = restStopSqlJson, 
+  .buildQueryJsonFp     = restBuildSqlLocalTimeStringJson,
+  .buildAffectRowJsonFp = restBuildSqlAffectRowsJson, 
+  .initJsonFp           = NULL, 
+  .cleanJsonFp          = NULL,
+  .checkFinishedFp      = NULL,
+  .setNextCmdFp         = NULL
+};
+
 static HttpEncodeMethod restEncodeSqlUtcTimeStringMethod = {
-    restStartSqlJson, restStopSqlJson, restBuildSqlUtcTimeStringJson, restBuildSqlAffectRowsJson, NULL, NULL, NULL, NULL};
+  .startJsonFp          = restStartSqlJson,         
+  .stopJsonFp           = restStopSqlJson, 
+  .buildQueryJsonFp     = restBuildSqlUtcTimeStringJson,
+  .buildAffectRowJsonFp = restBuildSqlAffectRowsJson, 
+  .initJsonFp           = NULL, 
+  .cleanJsonFp          = NULL,
+  .checkFinishedFp      = NULL,
+  .setNextCmdFp         = NULL
+};
 
 void restInitHandle(HttpServer* pServer) {
   httpAddMethod(pServer, &restDecodeMethod);

src/plugins/http/src/tgHandle.c

@@ -62,9 +62,16 @@
 #define TG_MAX_SORT_TAG_SIZE 20
 
 static HttpDecodeMethod tgDecodeMethod = {"telegraf", tgProcessRquest};
-static HttpEncodeMethod tgQueryMethod = {tgStartQueryJson,         tgStopQueryJson, NULL,
-                                         tgBuildSqlAffectRowsJson, tgInitQueryJson, tgCleanQueryJson,
-                                         tgCheckFinished,          tgSetNextCmd};
+static HttpEncodeMethod tgQueryMethod = {
+  .startJsonFp          = tgStartQueryJson,         
+  .stopJsonFp           = tgStopQueryJson, 
+  .buildQueryJsonFp     = NULL,
+  .buildAffectRowJsonFp = tgBuildSqlAffectRowsJson, 
+  .initJsonFp           = tgInitQueryJson, 
+  .cleanJsonFp          = tgCleanQueryJson,
+  .checkFinishedFp      = tgCheckFinished,
+  .setNextCmdFp         = tgSetNextCmd
+};
 
 static const char DEFAULT_TELEGRAF_CFG[] =
         "{\"metrics\":["
@@ -303,7 +310,7 @@ bool tgGetUserFromUrl(HttpContext *pContext) {
     return false;
   }
 
-  strcpy(pContext->user, pParser->path[TG_USER_URL_POS].pos);
+  tstrncpy(pContext->user, pParser->path[TG_USER_URL_POS].pos, TSDB_USER_LEN);
   return true;
 }
 

src/util/src/tlog.c

@@ -191,15 +191,14 @@ void taosResetLog() {
 }
 
 static bool taosCheckFileIsOpen(char *logFileName) {
-  int32_t exist = access(logFileName, F_OK);
-  if (exist != 0) {
-    return false;
-  }
-
-  int32_t fd = open(logFileName, O_WRONLY | O_CREAT, S_IRWXU | S_IRWXG | S_IRWXO);
+  int32_t fd = open(logFileName, O_WRONLY, S_IRWXU | S_IRWXG | S_IRWXO);
   if (fd < 0) {
-    printf("\nfailed to open log file:%s, reason:%s\n", logFileName, strerror(errno));
-    return true;
+    if (errno == ENOENT) {
+      return false;
+    } else {
+      printf("\nfailed to open log file:%s, reason:%s\n", logFileName, strerror(errno));
+      return true;
+    }
   }
 
   if (taosLockFile(fd)) {