Merge pull request #8828 from taosdata/fix/ZhiqiangWang/TS-711-windows-shell-limit-254-char-err

[TS-711]<fix>: windows shell limit 254 char error.

src/kit/shell/src/shellWindows.c

@@ -17,6 +17,8 @@
 #include "taos.h"
 #include "shellCommand.h"
 
+#define SHELL_INPUT_MAX_COMMAND_SIZE 500000
+
 extern char configDir[];
 
 char      WINCLIENT_VERSION[] = "Welcome to the TDengine shell from %s, Client Version:%s\n"
@@ -258,13 +260,14 @@ int32_t shellReadCommand(TAOS *con, char command[]) {
   // Read input.
   void *console = GetStdHandle(STD_INPUT_HANDLE);
   unsigned long read;
-  wchar_t c;
+  wchar_t *c= (wchar_t *)calloc(SHELL_INPUT_MAX_COMMAND_SIZE, sizeof(wchar_t));
   char mbStr[16];
   while (1) {
-    int ret = ReadConsole(console, &c, 1, &read, NULL);
-    int size = WideCharToMultiByte(CP_UTF8, 0, &c, read, mbStr, sizeof(mbStr), NULL, NULL);
+    int ret = ReadConsole(console, c, SHELL_INPUT_MAX_COMMAND_SIZE, &read, NULL);
+    for (int input_index = 0; input_index < read; input_index++) {
+      int size = WideCharToMultiByte(CP_UTF8, 0, &c[input_index], 1, mbStr, sizeof(mbStr), NULL, NULL);
       mbStr[size] = 0;
-    switch (c) {
+      switch (c[input_index]) {
         case '\n':
           if (isReadyGo(&cmd)) {
             sprintf(command, "%s%s", cmd.buffer, cmd.command);
@@ -272,6 +275,7 @@ int32_t shellReadCommand(TAOS *con, char command[]) {
             cmd.buffer = NULL;
             free(cmd.command);
             cmd.command = NULL;
+            free(c);
             return 0;
           } else {
             shellPrintContinuePrompt();
@@ -286,6 +290,7 @@ int32_t shellReadCommand(TAOS *con, char command[]) {
           }
       }
     }
+  }
 
   return 0;
 }