make taos.exe use mysql style password input.

src/kit/shell/src/shellEngine.c

@@ -65,7 +65,15 @@ extern TAOS *taos_connect_auth(const char *ip, const char *user, const char *aut
  */
 TAOS *shellInit(SShellArguments *_args) {
   printf("\n");
+#ifndef WINDOWS
+  printf(CLIENT_VERSION, tsOsName, taos_get_client_info());
+#else
+  if (!_args->is_use_passwd) {
+    strcpy(tsOsName, "Windows");
     printf(CLIENT_VERSION, tsOsName, taos_get_client_info());
+  }
+#endif
+
   fflush(stdout);
 
   // set options before initializing
@@ -74,7 +82,9 @@ TAOS *shellInit(SShellArguments *_args) {
   }
 
   if (_args->is_use_passwd) {
+#ifndef TD_WINDOWS
     if (_args->password == NULL) _args->password = getpass("Enter password: ");
+#endif
   } else {
     _args->password = TSDB_DEFAULT_PASS;
   }

src/kit/shell/src/shellMain.c

@@ -71,7 +71,9 @@ int checkVersion() {
 // Global configurations
 SShellArguments args = {
   .host = NULL,
+#ifndef TD_WINDOWS
   .password = NULL,
+#endif
   .user = NULL,
   .database = NULL,
   .timezone = NULL,

src/kit/shell/src/shellWindows.c

@@ -19,6 +19,9 @@
 
 extern char configDir[];
 
+char      WINCLIENT_VERSION[] = "Welcome to the TDengine shell from %s, Client Version:%s\n"
+                             "Copyright (c) 2020 by TAOS Data, Inc. All rights reserved.\n\n";
+
 void printVersion() {
   printf("version: %s\n", version);
 }
@@ -61,6 +64,8 @@ void printHelp() {
   exit(EXIT_SUCCESS);
 }
 
+char g_password[MAX_PASSWORD_SIZE];
+
 void shellParseArgument(int argc, char *argv[], SShellArguments *arguments) {
   for (int i = 1; i < argc; i++) {
     // for host
@@ -73,11 +78,18 @@ void shellParseArgument(int argc, char *argv[], SShellArguments *arguments) {
       }
     }
     // for password
-    else if (strcmp(argv[i], "-p") == 0) {
+    else if (strncmp(argv[i], "-p", 2) == 0) {
         arguments->is_use_passwd = true;
-      if (i < argc - 1 && argv[i + 1][0] != '-') {
-        arguments->password = argv[++i];
+        strcpy(tsOsName, "Windows");
+        printf(WINCLIENT_VERSION, tsOsName, taos_get_client_info());
+        if (strlen(argv[i]) == 2) {
+            printf("Enter password: ");
+            scanf("%s", g_password);
+            getchar();
+        } else {
+            tstrncpy(g_password, (char *)(argv[i] + 2), MAX_PASSWORD_SIZE);
         }
+        arguments->password = g_password;
     }
     // for management port
     else if (strcmp(argv[i], "-P") == 0) {

src/kit/taosdemo/taosdemo.c

@@ -77,7 +77,7 @@ extern char configDir[];
 #define COL_BUFFER_LEN      ((TSDB_COL_NAME_LEN + 15) * TSDB_MAX_COLUMNS)
 
 #define MAX_USERNAME_SIZE  64
-#define MAX_PASSWORD_SIZE  16
+#define MAX_PASSWORD_SIZE  20
 #define MAX_HOSTNAME_SIZE  253      // https://man7.org/linux/man-pages/man7/hostname.7.html
 #define MAX_TB_NAME_SIZE   64
 #define MAX_DATA_SIZE      (16*TSDB_MAX_COLUMNS)+20     // max record len: 16*MAX_COLUMNS, timestamp string and ,('') need extra space