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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 
main(void)41 int main(void)
42 {
43     int flagNoNewline = 0;
44     int argc;
45     TCHAR** argv = CommandLineToArgvW(GetCommandLine(), &argc);
46 
47     int nn;
48 
49     /* IMPORTANT: echo should only accept -n as a first option, everything
50      * else must be treated as part of the input string.
51      */
52     if (argc > 1 && argv[1][0] == L'-' && argv[1][1] == L'n' && argv[1][2] == L'\0') {
53         flagNoNewline = 1;
54         argc--;
55         argv++;
56     }
57 
58     const TCHAR* comma = L"";
59     while (argc > 1) {
60         _tprintf(L"%s%s", comma, argv[1]);
61         comma = L" ";
62         argc--;
63         argv++;
64     }
65 
66     if (!flagNoNewline)
67         _tprintf(L"\n");
68 
69     return 0;
70 }
71