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1//
2// argv_data.cpp
3//
4// Copyright (c) Microsoft Corporation. All rights reserved.
5//
6// This file defines the global data that stores the command line with which the
7// program was executed, along with the parsed arguments (if the arguments were
8// parsed), and the accessors for the global data.
9//
10#include <corecrt_internal.h>
11
12
13
14extern "C" {
15
16
17// Note: In general, either the narrow or wide string variables will be set,
18// but not both. These get initialized by the CRT startup sequence before any
19// user code is executed. There are cases where any or all of the pointers may
20// be null during execution. Do not assume that they are non-null.
21
22int __argc = 0; // The number of arguments in __argv or __wargv
23char** __argv = nullptr; // The arguments as narrow strings
24wchar_t** __wargv = nullptr; // The arguments as wide strings
25char* _pgmptr = nullptr; // The name of the program as a narrow string
26wchar_t* _wpgmptr = nullptr; // The name of the program as a wide string
27char* _acmdln = nullptr; // The raw command line as a narrow string
28wchar_t* _wcmdln = nullptr; // The raw command line as a wide string
29
30_BEGIN_SECURE_CRT_DEPRECATION_DISABLE
31
32int* __cdecl __p___argc() { return &__argc; }
33char*** __cdecl __p___argv() { return &__argv; }
34wchar_t*** __cdecl __p___wargv() { return &__wargv; }
35char** __cdecl __p__pgmptr() { return &_pgmptr; }
36wchar_t** __cdecl __p__wpgmptr() { return &_wpgmptr; }
37char** __cdecl __p__acmdln() { return &_acmdln; }
38wchar_t** __cdecl __p__wcmdln() { return &_wcmdln; }
39
40errno_t __cdecl _get_wpgmptr(wchar_t** const result)
41{
42 _VALIDATE_RETURN_ERRCODE(result != nullptr, EINVAL);
43 _VALIDATE_RETURN_ERRCODE(_wpgmptr != nullptr, EINVAL);
44
45 *result = _wpgmptr;
46 return 0;
47}
48
49errno_t __cdecl _get_pgmptr(char** const result)
50{
51 _VALIDATE_RETURN_ERRCODE(result != nullptr, EINVAL);
52 _VALIDATE_RETURN_ERRCODE(_pgmptr != nullptr, EINVAL);
53 *result = _pgmptr;
54 return 0;
55}
56
57_END_SECURE_CRT_DEPRECATION_DISABLE
58
59
60
61bool __cdecl __acrt_initialize_command_line()
62{
63 _acmdln = GetCommandLineA();
64 _wcmdln = GetCommandLineW();
65 return true;
66}
67
68bool __cdecl __acrt_uninitialize_command_line(bool const /* terminating */)
69{
70 return true;
71}
72
73
74
75} // extern "C"