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      1 /*
      2  * Copyright (C) 2011 The Android Open Source Project
      3  * All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  *  * Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  *  * Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in
     12  *    the documentation and/or other materials provided with the
     13  *    distribution.
     14  *
     15  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     16  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     17  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
     18  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
     19  * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
     20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     21  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
     22  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     23  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     24  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
     25  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  */
     28 
     29 /* To avoid many issues, always build this as a Unicode program */
     30 #define UNICODE 1
     31 #define _UNICODE 1
     32 #include <windows.h>
     33 #include <tchar.h>
     34 #include <stdio.h>
     35 #include <stdlib.h>
     36 
     37 /* A brain-dead 'echo' toolbox program for Windows, because the cmd.exe
     38  * 'echo' command is too weird to be usable with the NDK.
     39  */
     40 
     41 int main(void)
     42 {
     43     int flagNoNewline = 0;
     44     int argc;
     45     TCHAR** argv = CommandLineToArgvW(GetCommandLine(), &argc);
     46 
     47     int nn;
     48 
     49     while (argc > 1 && argv[1][0] == L'-') {
     50         const TCHAR* arg = argv[1];
     51 
     52         switch (arg[1]) {
     53             case L'n':
     54                 flagNoNewline = 1;
     55                 break;
     56 
     57             case L'h':
     58             case L'?':
     59                 _tprintf(L"Usage: echo.exe [-n] text1 text2...\r\n");
     60                 return 0;
     61 
     62             default:
     63                 _ftprintf(stderr,L"Unknown option: %s\r\n", arg);
     64                 return 1;
     65         }
     66         argc--;
     67         argv++;
     68     }
     69 
     70     const TCHAR* comma = L"";
     71     while (argc > 1) {
     72         _tprintf(L"%s%s", comma, argv[1]);
     73         comma = L" ";
     74         argc--;
     75         argv++;
     76     }
     77 
     78     if (!flagNoNewline)
     79         _tprintf(L"\r\n");
     80 
     81     return 0;
     82 }
     83