diff options
Diffstat (limited to 'src/libs/dutil/WixToolset.DUtil/conutil.cpp')
-rw-r--r-- | src/libs/dutil/WixToolset.DUtil/conutil.cpp | 673 |
1 files changed, 673 insertions, 0 deletions
diff --git a/src/libs/dutil/WixToolset.DUtil/conutil.cpp b/src/libs/dutil/WixToolset.DUtil/conutil.cpp new file mode 100644 index 00000000..33e1b59a --- /dev/null +++ b/src/libs/dutil/WixToolset.DUtil/conutil.cpp | |||
@@ -0,0 +1,673 @@ | |||
1 | // Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information. | ||
2 | |||
3 | #include "precomp.h" | ||
4 | |||
5 | |||
6 | // Exit macros | ||
7 | #define ConExitOnLastError(x, s, ...) ExitOnLastErrorSource(DUTIL_SOURCE_CONUTIL, x, s, __VA_ARGS__) | ||
8 | #define ConExitOnLastErrorDebugTrace(x, s, ...) ExitOnLastErrorDebugTraceSource(DUTIL_SOURCE_CONUTIL, x, s, __VA_ARGS__) | ||
9 | #define ConExitWithLastError(x, s, ...) ExitWithLastErrorSource(DUTIL_SOURCE_CONUTIL, x, s, __VA_ARGS__) | ||
10 | #define ConExitOnFailure(x, s, ...) ExitOnFailureSource(DUTIL_SOURCE_CONUTIL, x, s, __VA_ARGS__) | ||
11 | #define ConExitOnRootFailure(x, s, ...) ExitOnRootFailureSource(DUTIL_SOURCE_CONUTIL, x, s, __VA_ARGS__) | ||
12 | #define ConExitOnFailureDebugTrace(x, s, ...) ExitOnFailureDebugTraceSource(DUTIL_SOURCE_CONUTIL, x, s, __VA_ARGS__) | ||
13 | #define ConExitOnNull(p, x, e, s, ...) ExitOnNullSource(DUTIL_SOURCE_CONUTIL, p, x, e, s, __VA_ARGS__) | ||
14 | #define ConExitOnNullWithLastError(p, x, s, ...) ExitOnNullWithLastErrorSource(DUTIL_SOURCE_CONUTIL, p, x, s, __VA_ARGS__) | ||
15 | #define ConExitOnNullDebugTrace(p, x, e, s, ...) ExitOnNullDebugTraceSource(DUTIL_SOURCE_CONUTIL, p, x, e, s, __VA_ARGS__) | ||
16 | #define ConExitOnInvalidHandleWithLastError(p, x, s, ...) ExitOnInvalidHandleWithLastErrorSource(DUTIL_SOURCE_CONUTIL, p, x, s, __VA_ARGS__) | ||
17 | #define ConExitOnWin32Error(e, x, s, ...) ExitOnWin32ErrorSource(DUTIL_SOURCE_CONUTIL, e, x, s, __VA_ARGS__) | ||
18 | #define ConExitOnGdipFailure(g, x, s, ...) ExitOnGdipFailureSource(DUTIL_SOURCE_CONUTIL, g, x, s, __VA_ARGS__) | ||
19 | |||
20 | |||
21 | static HANDLE vhStdIn = INVALID_HANDLE_VALUE; | ||
22 | static HANDLE vhStdOut = INVALID_HANDLE_VALUE; | ||
23 | static BOOL vfConsoleIn = FALSE; | ||
24 | static BOOL vfConsoleOut = FALSE; | ||
25 | static CONSOLE_SCREEN_BUFFER_INFO vcsbiInfo; | ||
26 | |||
27 | |||
28 | extern "C" HRESULT DAPI ConsoleInitialize() | ||
29 | { | ||
30 | Assert(INVALID_HANDLE_VALUE == vhStdOut); | ||
31 | HRESULT hr = S_OK; | ||
32 | UINT er; | ||
33 | |||
34 | vhStdIn = ::GetStdHandle(STD_INPUT_HANDLE); | ||
35 | if (INVALID_HANDLE_VALUE == vhStdIn) | ||
36 | { | ||
37 | ConExitOnLastError(hr, "failed to open stdin"); | ||
38 | } | ||
39 | |||
40 | vhStdOut = ::GetStdHandle(STD_OUTPUT_HANDLE); | ||
41 | if (INVALID_HANDLE_VALUE == vhStdOut) | ||
42 | { | ||
43 | ConExitOnLastError(hr, "failed to open stdout"); | ||
44 | } | ||
45 | |||
46 | // check if we have a std in on the console | ||
47 | if (::GetConsoleScreenBufferInfo(vhStdIn, &vcsbiInfo)) | ||
48 | { | ||
49 | vfConsoleIn = TRUE; | ||
50 | } | ||
51 | else | ||
52 | { | ||
53 | er = ::GetLastError(); | ||
54 | if (ERROR_INVALID_HANDLE == er) | ||
55 | { | ||
56 | vfConsoleIn= FALSE; | ||
57 | hr = S_OK; | ||
58 | } | ||
59 | else | ||
60 | { | ||
61 | ConExitOnWin32Error(er, hr, "failed to get input console screen buffer info"); | ||
62 | } | ||
63 | } | ||
64 | |||
65 | if (::GetConsoleScreenBufferInfo(vhStdOut, &vcsbiInfo)) | ||
66 | { | ||
67 | vfConsoleOut = TRUE; | ||
68 | } | ||
69 | else // no console | ||
70 | { | ||
71 | memset(&vcsbiInfo, 0, sizeof(vcsbiInfo)); | ||
72 | er = ::GetLastError(); | ||
73 | if (ERROR_INVALID_HANDLE == er) | ||
74 | { | ||
75 | vfConsoleOut = FALSE; | ||
76 | hr = S_OK; | ||
77 | } | ||
78 | else | ||
79 | { | ||
80 | ConExitOnWin32Error(er, hr, "failed to get output console screen buffer info"); | ||
81 | } | ||
82 | } | ||
83 | |||
84 | LExit: | ||
85 | if (FAILED(hr)) | ||
86 | { | ||
87 | if (INVALID_HANDLE_VALUE != vhStdOut) | ||
88 | { | ||
89 | ::CloseHandle(vhStdOut); | ||
90 | } | ||
91 | |||
92 | if (INVALID_HANDLE_VALUE != vhStdIn && vhStdOut != vhStdIn) | ||
93 | { | ||
94 | ::CloseHandle(vhStdIn); | ||
95 | } | ||
96 | |||
97 | vhStdOut = INVALID_HANDLE_VALUE; | ||
98 | vhStdIn = INVALID_HANDLE_VALUE; | ||
99 | } | ||
100 | |||
101 | return hr; | ||
102 | } | ||
103 | |||
104 | |||
105 | extern "C" void DAPI ConsoleUninitialize() | ||
106 | { | ||
107 | BOOL fOutEqualsIn = vhStdOut == vhStdIn; | ||
108 | |||
109 | memset(&vcsbiInfo, 0, sizeof(vcsbiInfo)); | ||
110 | |||
111 | if (INVALID_HANDLE_VALUE != vhStdOut) | ||
112 | { | ||
113 | ::CloseHandle(vhStdOut); | ||
114 | } | ||
115 | |||
116 | if (INVALID_HANDLE_VALUE != vhStdIn && !fOutEqualsIn) | ||
117 | { | ||
118 | ::CloseHandle(vhStdIn); | ||
119 | } | ||
120 | |||
121 | vhStdOut = INVALID_HANDLE_VALUE; | ||
122 | vhStdIn = INVALID_HANDLE_VALUE; | ||
123 | } | ||
124 | |||
125 | |||
126 | extern "C" void DAPI ConsoleGreen() | ||
127 | { | ||
128 | AssertSz(INVALID_HANDLE_VALUE != vhStdOut, "ConsoleInitialize() has not been called"); | ||
129 | if (vfConsoleOut) | ||
130 | { | ||
131 | ::SetConsoleTextAttribute(vhStdOut, FOREGROUND_GREEN | FOREGROUND_INTENSITY); | ||
132 | } | ||
133 | } | ||
134 | |||
135 | |||
136 | extern "C" void DAPI ConsoleRed() | ||
137 | { | ||
138 | AssertSz(INVALID_HANDLE_VALUE != vhStdOut, "ConsoleInitialize() has not been called"); | ||
139 | if (vfConsoleOut) | ||
140 | { | ||
141 | ::SetConsoleTextAttribute(vhStdOut, FOREGROUND_RED | FOREGROUND_INTENSITY); | ||
142 | } | ||
143 | } | ||
144 | |||
145 | |||
146 | extern "C" void DAPI ConsoleYellow() | ||
147 | { | ||
148 | AssertSz(INVALID_HANDLE_VALUE != vhStdOut, "ConsoleInitialize() has not been called"); | ||
149 | if (vfConsoleOut) | ||
150 | { | ||
151 | ::SetConsoleTextAttribute(vhStdOut, FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_INTENSITY); | ||
152 | } | ||
153 | } | ||
154 | |||
155 | |||
156 | extern "C" void DAPI ConsoleNormal() | ||
157 | { | ||
158 | AssertSz(INVALID_HANDLE_VALUE != vhStdOut, "ConsoleInitialize() has not been called"); | ||
159 | if (vfConsoleOut) | ||
160 | { | ||
161 | ::SetConsoleTextAttribute(vhStdOut, vcsbiInfo.wAttributes); | ||
162 | } | ||
163 | } | ||
164 | |||
165 | |||
166 | /******************************************************************** | ||
167 | ConsoleWrite - full color printfA without libc | ||
168 | |||
169 | NOTE: use FormatMessage formatting ("%1" or "%1!d!") not plain printf formatting ("%ls" or "%d") | ||
170 | assumes already in normal color and resets the screen to normal color | ||
171 | ********************************************************************/ | ||
172 | extern "C" HRESULT DAPI ConsoleWrite( | ||
173 | CONSOLE_COLOR cc, | ||
174 | __in_z __format_string LPCSTR szFormat, | ||
175 | ... | ||
176 | ) | ||
177 | { | ||
178 | AssertSz(INVALID_HANDLE_VALUE != vhStdOut, "ConsoleInitialize() has not been called"); | ||
179 | HRESULT hr = S_OK; | ||
180 | LPSTR pszOutput = NULL; | ||
181 | DWORD cchOutput = 0; | ||
182 | DWORD cbWrote = 0; | ||
183 | DWORD cbTotal = 0; | ||
184 | |||
185 | // set the color | ||
186 | switch (cc) | ||
187 | { | ||
188 | case CONSOLE_COLOR_NORMAL: break; // do nothing | ||
189 | case CONSOLE_COLOR_RED: ConsoleRed(); break; | ||
190 | case CONSOLE_COLOR_YELLOW: ConsoleYellow(); break; | ||
191 | case CONSOLE_COLOR_GREEN: ConsoleGreen(); break; | ||
192 | } | ||
193 | |||
194 | va_list args; | ||
195 | va_start(args, szFormat); | ||
196 | hr = StrAnsiAllocFormattedArgs(&pszOutput, szFormat, args); | ||
197 | va_end(args); | ||
198 | ConExitOnFailure(hr, "failed to format message: \"%s\"", szFormat); | ||
199 | |||
200 | cchOutput = lstrlenA(pszOutput); | ||
201 | while (cbTotal < (sizeof(*pszOutput) * cchOutput)) | ||
202 | { | ||
203 | if (!::WriteFile(vhStdOut, reinterpret_cast<BYTE*>(pszOutput) + cbTotal, cchOutput * sizeof(*pszOutput) - cbTotal, &cbWrote, NULL)) | ||
204 | { | ||
205 | ConExitOnLastError(hr, "failed to write output to console: %s", pszOutput); | ||
206 | } | ||
207 | |||
208 | cbTotal += cbWrote; | ||
209 | } | ||
210 | |||
211 | // reset the color to normal | ||
212 | if (CONSOLE_COLOR_NORMAL != cc) | ||
213 | { | ||
214 | ConsoleNormal(); | ||
215 | } | ||
216 | |||
217 | LExit: | ||
218 | ReleaseStr(pszOutput); | ||
219 | return hr; | ||
220 | } | ||
221 | |||
222 | |||
223 | /******************************************************************** | ||
224 | ConsoleWriteLine - full color printfA plus newline without libc | ||
225 | |||
226 | NOTE: use FormatMessage formatting ("%1" or "%1!d!") not plain printf formatting ("%ls" or "%d") | ||
227 | assumes already in normal color and resets the screen to normal color | ||
228 | ********************************************************************/ | ||
229 | extern "C" HRESULT DAPI ConsoleWriteLine( | ||
230 | CONSOLE_COLOR cc, | ||
231 | __in_z __format_string LPCSTR szFormat, | ||
232 | ... | ||
233 | ) | ||
234 | { | ||
235 | AssertSz(INVALID_HANDLE_VALUE != vhStdOut, "ConsoleInitialize() has not been called"); | ||
236 | HRESULT hr = S_OK; | ||
237 | LPSTR pszOutput = NULL; | ||
238 | DWORD cchOutput = 0; | ||
239 | DWORD cbWrote = 0; | ||
240 | DWORD cbTotal = 0; | ||
241 | LPCSTR szNewLine = "\r\n"; | ||
242 | |||
243 | // set the color | ||
244 | switch (cc) | ||
245 | { | ||
246 | case CONSOLE_COLOR_NORMAL: break; // do nothing | ||
247 | case CONSOLE_COLOR_RED: ConsoleRed(); break; | ||
248 | case CONSOLE_COLOR_YELLOW: ConsoleYellow(); break; | ||
249 | case CONSOLE_COLOR_GREEN: ConsoleGreen(); break; | ||
250 | } | ||
251 | |||
252 | va_list args; | ||
253 | va_start(args, szFormat); | ||
254 | hr = StrAnsiAllocFormattedArgs(&pszOutput, szFormat, args); | ||
255 | va_end(args); | ||
256 | ConExitOnFailure(hr, "failed to format message: \"%s\"", szFormat); | ||
257 | |||
258 | // | ||
259 | // write the string | ||
260 | // | ||
261 | cchOutput = lstrlenA(pszOutput); | ||
262 | while (cbTotal < (sizeof(*pszOutput) * cchOutput)) | ||
263 | { | ||
264 | if (!::WriteFile(vhStdOut, reinterpret_cast<BYTE*>(pszOutput) + cbTotal, cchOutput * sizeof(*pszOutput) - cbTotal, &cbWrote, NULL)) | ||
265 | ConExitOnLastError(hr, "failed to write output to console: %s", pszOutput); | ||
266 | |||
267 | cbTotal += cbWrote; | ||
268 | } | ||
269 | |||
270 | // | ||
271 | // write the newline | ||
272 | // | ||
273 | if (!::WriteFile(vhStdOut, reinterpret_cast<const BYTE*>(szNewLine), 2, &cbWrote, NULL)) | ||
274 | { | ||
275 | ConExitOnLastError(hr, "failed to write newline to console"); | ||
276 | } | ||
277 | |||
278 | // reset the color to normal | ||
279 | if (CONSOLE_COLOR_NORMAL != cc) | ||
280 | { | ||
281 | ConsoleNormal(); | ||
282 | } | ||
283 | |||
284 | LExit: | ||
285 | ReleaseStr(pszOutput); | ||
286 | return hr; | ||
287 | } | ||
288 | |||
289 | |||
290 | /******************************************************************** | ||
291 | ConsoleWriteError - display an error to the screen | ||
292 | |||
293 | NOTE: use FormatMessage formatting ("%1" or "%1!d!") not plain printf formatting ("%s" or "%d") | ||
294 | ********************************************************************/ | ||
295 | HRESULT ConsoleWriteError( | ||
296 | HRESULT hrError, | ||
297 | CONSOLE_COLOR cc, | ||
298 | __in_z __format_string LPCSTR szFormat, | ||
299 | ... | ||
300 | ) | ||
301 | { | ||
302 | HRESULT hr = S_OK; | ||
303 | LPSTR pszMessage = NULL; | ||
304 | |||
305 | va_list args; | ||
306 | va_start(args, szFormat); | ||
307 | hr = StrAnsiAllocFormattedArgs(&pszMessage, szFormat, args); | ||
308 | va_end(args); | ||
309 | ConExitOnFailure(hr, "failed to format error message: \"%s\"", szFormat); | ||
310 | |||
311 | if (FAILED(hrError)) | ||
312 | { | ||
313 | hr = ConsoleWriteLine(cc, "Error 0x%x: %s", hrError, pszMessage); | ||
314 | } | ||
315 | else | ||
316 | { | ||
317 | hr = ConsoleWriteLine(cc, "Error: %s", pszMessage); | ||
318 | } | ||
319 | |||
320 | LExit: | ||
321 | ReleaseStr(pszMessage); | ||
322 | return hr; | ||
323 | } | ||
324 | |||
325 | |||
326 | /******************************************************************** | ||
327 | ConsoleReadW - get console input without libc | ||
328 | |||
329 | NOTE: only supports reading ANSI characters | ||
330 | ********************************************************************/ | ||
331 | extern "C" HRESULT DAPI ConsoleReadW( | ||
332 | __deref_out_z LPWSTR* ppwzBuffer | ||
333 | ) | ||
334 | { | ||
335 | AssertSz(INVALID_HANDLE_VALUE != vhStdIn, "ConsoleInitialize() has not been called"); | ||
336 | Assert(ppwzBuffer); | ||
337 | |||
338 | HRESULT hr = S_OK; | ||
339 | LPSTR psz = NULL; | ||
340 | DWORD cch = 0; | ||
341 | DWORD cchRead = 0; | ||
342 | DWORD cchTotalRead = 0; | ||
343 | |||
344 | cch = 64; | ||
345 | hr = StrAnsiAlloc(&psz, cch); | ||
346 | ConExitOnFailure(hr, "failed to allocate memory to read from console"); | ||
347 | |||
348 | // loop until we read the \r\n from the console | ||
349 | for (;;) | ||
350 | { | ||
351 | // read one character at a time, since that seems to be the only way to make this work | ||
352 | if (!::ReadFile(vhStdIn, psz + cchTotalRead, 1, &cchRead, NULL)) | ||
353 | ConExitOnLastError(hr, "failed to read string from console"); | ||
354 | |||
355 | cchTotalRead += cchRead; | ||
356 | if (1 < cchTotalRead && '\r' == psz[cchTotalRead - 2] || '\n' == psz[cchTotalRead - 1]) | ||
357 | { | ||
358 | psz[cchTotalRead - 2] = '\0'; // chop off the \r\n | ||
359 | break; | ||
360 | } | ||
361 | else if (0 == cchRead) // nothing more was read | ||
362 | { | ||
363 | psz[cchTotalRead] = '\0'; // null termintate and bail | ||
364 | break; | ||
365 | } | ||
366 | |||
367 | if (cchTotalRead == cch) | ||
368 | { | ||
369 | cch *= 2; // double everytime we run out of space | ||
370 | hr = StrAnsiAlloc(&psz, cch); | ||
371 | ConExitOnFailure(hr, "failed to allocate memory to read from console"); | ||
372 | } | ||
373 | } | ||
374 | |||
375 | hr = StrAllocStringAnsi(ppwzBuffer, psz, 0, CP_ACP); | ||
376 | |||
377 | LExit: | ||
378 | ReleaseStr(psz); | ||
379 | return hr; | ||
380 | } | ||
381 | |||
382 | |||
383 | /******************************************************************** | ||
384 | ConsoleReadNonBlockingW - Read from the console without blocking | ||
385 | Won't work for redirected files (exe < txtfile), but will work for stdin redirected to | ||
386 | an anonymous or named pipe | ||
387 | |||
388 | if (fReadLine), stop reading immediately when \r\n is found | ||
389 | *********************************************************************/ | ||
390 | extern "C" HRESULT DAPI ConsoleReadNonBlockingW( | ||
391 | __deref_out_ecount_opt(*pcchSize) LPWSTR* ppwzBuffer, | ||
392 | __out DWORD* pcchSize, | ||
393 | BOOL fReadLine | ||
394 | ) | ||
395 | { | ||
396 | Assert(INVALID_HANDLE_VALUE != vhStdIn && pcchSize); | ||
397 | HRESULT hr = S_OK; | ||
398 | |||
399 | LPSTR psz = NULL; | ||
400 | |||
401 | ConExitOnNull(ppwzBuffer, hr, E_INVALIDARG, "Failed to read from console because buffer was not provided"); | ||
402 | |||
403 | DWORD dwRead; | ||
404 | DWORD dwNumInput; | ||
405 | |||
406 | DWORD cchTotal = 0; | ||
407 | DWORD cch = 8; | ||
408 | |||
409 | DWORD cchRead = 0; | ||
410 | DWORD cchTotalRead = 0; | ||
411 | |||
412 | DWORD dwIndex = 0; | ||
413 | DWORD er; | ||
414 | |||
415 | INPUT_RECORD ir; | ||
416 | WCHAR chIn; | ||
417 | |||
418 | *ppwzBuffer = NULL; | ||
419 | *pcchSize = 0; | ||
420 | |||
421 | // If we really have a handle to stdin, and not the end of a pipe | ||
422 | if (!PeekNamedPipe(vhStdIn, NULL, 0, NULL, &dwRead, NULL)) | ||
423 | { | ||
424 | er = ::GetLastError(); | ||
425 | if (ERROR_INVALID_HANDLE != er) | ||
426 | { | ||
427 | ExitFunction1(hr = HRESULT_FROM_WIN32(er)); | ||
428 | } | ||
429 | |||
430 | if (!GetNumberOfConsoleInputEvents(vhStdIn, &dwRead)) | ||
431 | { | ||
432 | ConExitOnLastError(hr, "failed to peek at console input"); | ||
433 | } | ||
434 | |||
435 | if (0 == dwRead) | ||
436 | { | ||
437 | ExitFunction1(hr = S_FALSE); | ||
438 | } | ||
439 | |||
440 | for (/* dwRead from num of input events */; dwRead > 0; dwRead--) | ||
441 | { | ||
442 | if (!ReadConsoleInputW(vhStdIn, &ir, 1, &dwNumInput)) | ||
443 | { | ||
444 | ConExitOnLastError(hr, "Failed to read input from console"); | ||
445 | } | ||
446 | |||
447 | // If what we have is a KEY_EVENT, and that event signifies keyUp, we're interested | ||
448 | if (KEY_EVENT == ir.EventType && FALSE == ir.Event.KeyEvent.bKeyDown) | ||
449 | { | ||
450 | chIn = ir.Event.KeyEvent.uChar.UnicodeChar; | ||
451 | |||
452 | if (0 == cchTotal) | ||
453 | { | ||
454 | cchTotal = cch; | ||
455 | cch *= 2; | ||
456 | StrAlloc(ppwzBuffer, cch); | ||
457 | } | ||
458 | |||
459 | (*ppwzBuffer)[dwIndex] = chIn; | ||
460 | |||
461 | if (fReadLine && (L'\r' == (*ppwzBuffer)[dwIndex - 1] && L'\n' == (*ppwzBuffer)[dwIndex])) | ||
462 | { | ||
463 | *ppwzBuffer[dwIndex - 1] = L'\0'; | ||
464 | dwIndex -= 1; | ||
465 | break; | ||
466 | } | ||
467 | |||
468 | ++dwIndex; | ||
469 | cchTotal--; | ||
470 | } | ||
471 | } | ||
472 | |||
473 | *pcchSize = dwIndex; | ||
474 | } | ||
475 | else | ||
476 | { | ||
477 | // otherwise, the peek worked, and we have the end of a pipe | ||
478 | if (0 == dwRead) | ||
479 | ExitFunction1(hr = S_FALSE); | ||
480 | |||
481 | cch = 8; | ||
482 | hr = StrAnsiAlloc(&psz, cch); | ||
483 | ConExitOnFailure(hr, "failed to allocate memory to read from console"); | ||
484 | |||
485 | for (/*dwRead from PeekNamedPipe*/; dwRead > 0; dwRead--) | ||
486 | { | ||
487 | // read one character at a time, since that seems to be the only way to make this work | ||
488 | if (!::ReadFile(vhStdIn, psz + cchTotalRead, 1, &cchRead, NULL)) | ||
489 | { | ||
490 | ConExitOnLastError(hr, "failed to read string from console"); | ||
491 | } | ||
492 | |||
493 | cchTotalRead += cchRead; | ||
494 | if (fReadLine && '\r' == psz[cchTotalRead - 1] && '\n' == psz[cchTotalRead]) | ||
495 | { | ||
496 | psz[cchTotalRead - 1] = '\0'; // chop off the \r\n | ||
497 | cchTotalRead -= 1; | ||
498 | break; | ||
499 | } | ||
500 | else if (0 == cchRead) // nothing more was read | ||
501 | { | ||
502 | psz[cchTotalRead] = '\0'; // null termintate and bail | ||
503 | break; | ||
504 | } | ||
505 | |||
506 | if (cchTotalRead == cch) | ||
507 | { | ||
508 | cch *= 2; // double everytime we run out of space | ||
509 | hr = StrAnsiAlloc(&psz, cch); | ||
510 | ConExitOnFailure(hr, "failed to allocate memory to read from console"); | ||
511 | } | ||
512 | } | ||
513 | |||
514 | *pcchSize = cchTotalRead; | ||
515 | hr = StrAllocStringAnsi(ppwzBuffer, psz, cchTotalRead, CP_ACP); | ||
516 | } | ||
517 | |||
518 | LExit: | ||
519 | ReleaseStr(psz); | ||
520 | |||
521 | return hr; | ||
522 | } | ||
523 | |||
524 | |||
525 | /******************************************************************** | ||
526 | ConsoleReadStringA - get console input without libc | ||
527 | |||
528 | *********************************************************************/ | ||
529 | extern "C" HRESULT DAPI ConsoleReadStringA( | ||
530 | __deref_inout_ecount_part(cchCharBuffer,*pcchNumCharReturn) LPSTR* ppszCharBuffer, | ||
531 | CONST DWORD cchCharBuffer, | ||
532 | __out DWORD* pcchNumCharReturn | ||
533 | ) | ||
534 | { | ||
535 | AssertSz(INVALID_HANDLE_VALUE != vhStdIn, "ConsoleInitialize() has not been called"); | ||
536 | HRESULT hr = S_OK; | ||
537 | if (ppszCharBuffer && (pcchNumCharReturn || cchCharBuffer < 2)) | ||
538 | { | ||
539 | DWORD iRead = 1; | ||
540 | DWORD iReadCharTotal = 0; | ||
541 | if (ppszCharBuffer && *ppszCharBuffer == NULL) | ||
542 | { | ||
543 | do | ||
544 | { | ||
545 | hr = StrAnsiAlloc(ppszCharBuffer, cchCharBuffer * iRead); | ||
546 | ConExitOnFailure(hr, "failed to allocate memory for ConsoleReadStringW"); | ||
547 | // ReadConsoleW will not return until <Return>, the last two chars are 13 and 10. | ||
548 | if (!::ReadConsoleA(vhStdIn, *ppszCharBuffer + iReadCharTotal, cchCharBuffer, pcchNumCharReturn, NULL) || *pcchNumCharReturn == 0) | ||
549 | { | ||
550 | ConExitOnLastError(hr, "failed to read string from console"); | ||
551 | } | ||
552 | iReadCharTotal += *pcchNumCharReturn; | ||
553 | iRead += 1; | ||
554 | } | ||
555 | while((*ppszCharBuffer)[iReadCharTotal - 1] != 10 || (*ppszCharBuffer)[iReadCharTotal - 2] != 13); | ||
556 | *pcchNumCharReturn = iReadCharTotal; | ||
557 | } | ||
558 | else | ||
559 | { | ||
560 | if (!::ReadConsoleA(vhStdIn, *ppszCharBuffer, cchCharBuffer, pcchNumCharReturn, NULL) || | ||
561 | *pcchNumCharReturn > cchCharBuffer || *pcchNumCharReturn == 0) | ||
562 | { | ||
563 | ConExitOnLastError(hr, "failed to read string from console"); | ||
564 | } | ||
565 | if ((*ppszCharBuffer)[*pcchNumCharReturn - 1] != 10 || | ||
566 | (*ppszCharBuffer)[*pcchNumCharReturn - 2] != 13) | ||
567 | { | ||
568 | // need read more | ||
569 | hr = ERROR_MORE_DATA; | ||
570 | } | ||
571 | } | ||
572 | } | ||
573 | else | ||
574 | { | ||
575 | hr = E_INVALIDARG; | ||
576 | } | ||
577 | |||
578 | LExit: | ||
579 | return hr; | ||
580 | } | ||
581 | |||
582 | /******************************************************************** | ||
583 | ConsoleReadStringW - get console input without libc | ||
584 | |||
585 | *********************************************************************/ | ||
586 | extern "C" HRESULT DAPI ConsoleReadStringW( | ||
587 | __deref_inout_ecount_part(cchCharBuffer,*pcchNumCharReturn) LPWSTR* ppwzCharBuffer, | ||
588 | const DWORD cchCharBuffer, | ||
589 | __out DWORD* pcchNumCharReturn | ||
590 | ) | ||
591 | { | ||
592 | AssertSz(INVALID_HANDLE_VALUE != vhStdIn, "ConsoleInitialize() has not been called"); | ||
593 | HRESULT hr = S_OK; | ||
594 | if (ppwzCharBuffer && (pcchNumCharReturn || cchCharBuffer < 2)) | ||
595 | { | ||
596 | DWORD iRead = 1; | ||
597 | DWORD iReadCharTotal = 0; | ||
598 | if (*ppwzCharBuffer == NULL) | ||
599 | { | ||
600 | do | ||
601 | { | ||
602 | hr = StrAlloc(ppwzCharBuffer, cchCharBuffer * iRead); | ||
603 | ConExitOnFailure(hr, "failed to allocate memory for ConsoleReadStringW"); | ||
604 | // ReadConsoleW will not return until <Return>, the last two chars are 13 and 10. | ||
605 | if (!::ReadConsoleW(vhStdIn, *ppwzCharBuffer + iReadCharTotal, cchCharBuffer, pcchNumCharReturn, NULL) || *pcchNumCharReturn == 0) | ||
606 | { | ||
607 | ConExitOnLastError(hr, "failed to read string from console"); | ||
608 | } | ||
609 | iReadCharTotal += *pcchNumCharReturn; | ||
610 | iRead += 1; | ||
611 | } | ||
612 | while((*ppwzCharBuffer)[iReadCharTotal - 1] != 10 || (*ppwzCharBuffer)[iReadCharTotal - 2] != 13); | ||
613 | *pcchNumCharReturn = iReadCharTotal; | ||
614 | } | ||
615 | else | ||
616 | { | ||
617 | if (!::ReadConsoleW(vhStdIn, *ppwzCharBuffer, cchCharBuffer, pcchNumCharReturn, NULL) || | ||
618 | *pcchNumCharReturn > cchCharBuffer || *pcchNumCharReturn == 0) | ||
619 | { | ||
620 | ConExitOnLastError(hr, "failed to read string from console"); | ||
621 | } | ||
622 | if ((*ppwzCharBuffer)[*pcchNumCharReturn - 1] != 10 || | ||
623 | (*ppwzCharBuffer)[*pcchNumCharReturn - 2] != 13) | ||
624 | { | ||
625 | // need read more | ||
626 | hr = ERROR_MORE_DATA; | ||
627 | } | ||
628 | } | ||
629 | } | ||
630 | else | ||
631 | { | ||
632 | hr = E_INVALIDARG; | ||
633 | } | ||
634 | |||
635 | LExit: | ||
636 | return hr; | ||
637 | } | ||
638 | |||
639 | /******************************************************************** | ||
640 | ConsoleSetReadHidden - set console input no echo | ||
641 | |||
642 | *********************************************************************/ | ||
643 | extern "C" HRESULT DAPI ConsoleSetReadHidden(void) | ||
644 | { | ||
645 | AssertSz(INVALID_HANDLE_VALUE != vhStdIn, "ConsoleInitialize() has not been called"); | ||
646 | HRESULT hr = S_OK; | ||
647 | ::FlushConsoleInputBuffer(vhStdIn); | ||
648 | if (!::SetConsoleMode(vhStdIn, ENABLE_LINE_INPUT | ENABLE_PROCESSED_INPUT)) | ||
649 | { | ||
650 | ConExitOnLastError(hr, "failed to set console input mode to be hidden"); | ||
651 | } | ||
652 | |||
653 | LExit: | ||
654 | return hr; | ||
655 | } | ||
656 | |||
657 | /******************************************************************** | ||
658 | ConsoleSetReadNormal - reset to echo | ||
659 | |||
660 | *********************************************************************/ | ||
661 | extern "C" HRESULT DAPI ConsoleSetReadNormal(void) | ||
662 | { | ||
663 | AssertSz(INVALID_HANDLE_VALUE != vhStdIn, "ConsoleInitialize() has not been called"); | ||
664 | HRESULT hr = S_OK; | ||
665 | if (!::SetConsoleMode(vhStdIn, ENABLE_LINE_INPUT | ENABLE_ECHO_INPUT | ENABLE_PROCESSED_INPUT | ENABLE_MOUSE_INPUT)) | ||
666 | { | ||
667 | ConExitOnLastError(hr, "failed to set console input mode to be normal"); | ||
668 | } | ||
669 | |||
670 | LExit: | ||
671 | return hr; | ||
672 | } | ||
673 | |||