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authorSean Hall <r.sean.hall@gmail.com>2021-03-02 14:19:14 -0600
committerSean Hall <r.sean.hall@gmail.com>2021-03-02 15:40:02 -0600
commit10ebf674da5df9224e4eddd3545518434c5b455b (patch)
treeea1f4063edd46e9942eab94dd7adb2f75c6c589e /src/dutil/buffutil.cpp
parent3bbf1347b900ec115a12faf8f46965c9b7649696 (diff)
downloadwix-10ebf674da5df9224e4eddd3545518434c5b455b.tar.gz
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Update rest of dutil to use their own source with the Exit* macros.
Fix some CA warnings.
Diffstat (limited to 'src/dutil/buffutil.cpp')
-rw-r--r--src/dutil/buffutil.cpp99
1 files changed, 57 insertions, 42 deletions
diff --git a/src/dutil/buffutil.cpp b/src/dutil/buffutil.cpp
index a70aaa81..a6d3ac90 100644
--- a/src/dutil/buffutil.cpp
+++ b/src/dutil/buffutil.cpp
@@ -3,6 +3,21 @@
3#include "precomp.h" 3#include "precomp.h"
4 4
5 5
6// Exit macros
7#define BuffExitOnLastError(x, s, ...) ExitOnLastErrorSource(DUTIL_SOURCE_BUFFUTIL, x, s, __VA_ARGS__)
8#define BuffExitOnLastErrorDebugTrace(x, s, ...) ExitOnLastErrorDebugTraceSource(DUTIL_SOURCE_BUFFUTIL, x, s, __VA_ARGS__)
9#define BuffExitWithLastError(x, s, ...) ExitWithLastErrorSource(DUTIL_SOURCE_BUFFUTIL, x, s, __VA_ARGS__)
10#define BuffExitOnFailure(x, s, ...) ExitOnFailureSource(DUTIL_SOURCE_BUFFUTIL, x, s, __VA_ARGS__)
11#define BuffExitOnRootFailure(x, s, ...) ExitOnRootFailureSource(DUTIL_SOURCE_BUFFUTIL, x, s, __VA_ARGS__)
12#define BuffExitOnFailureDebugTrace(x, s, ...) ExitOnFailureDebugTraceSource(DUTIL_SOURCE_BUFFUTIL, x, s, __VA_ARGS__)
13#define BuffExitOnNull(p, x, e, s, ...) ExitOnNullSource(DUTIL_SOURCE_BUFFUTIL, p, x, e, s, __VA_ARGS__)
14#define BuffExitOnNullWithLastError(p, x, s, ...) ExitOnNullWithLastErrorSource(DUTIL_SOURCE_BUFFUTIL, p, x, s, __VA_ARGS__)
15#define BuffExitOnNullDebugTrace(p, x, e, s, ...) ExitOnNullDebugTraceSource(DUTIL_SOURCE_BUFFUTIL, p, x, e, s, __VA_ARGS__)
16#define BuffExitOnInvalidHandleWithLastError(p, x, s, ...) ExitOnInvalidHandleWithLastErrorSource(DUTIL_SOURCE_BUFFUTIL, p, x, s, __VA_ARGS__)
17#define BuffExitOnWin32Error(e, x, s, ...) ExitOnWin32ErrorSource(DUTIL_SOURCE_BUFFUTIL, e, x, s, __VA_ARGS__)
18#define BuffExitOnGdipFailure(g, x, s, ...) ExitOnGdipFailureSource(DUTIL_SOURCE_BUFFUTIL, g, x, s, __VA_ARGS__)
19
20
6// constants 21// constants
7 22
8#define BUFFER_INCREMENT 128 23#define BUFFER_INCREMENT 128
@@ -11,7 +26,7 @@
11// helper function declarations 26// helper function declarations
12 27
13static HRESULT EnsureBufferSize( 28static HRESULT EnsureBufferSize(
14 __deref_out_bcount(cbSize) BYTE** ppbBuffer, 29 __deref_inout_bcount(cbSize) BYTE** ppbBuffer,
15 __in SIZE_T cbSize 30 __in SIZE_T cbSize
16 ); 31 );
17 32
@@ -34,13 +49,13 @@ extern "C" HRESULT BuffReadNumber(
34 49
35 // get availiable data size 50 // get availiable data size
36 hr = ::SIZETSub(cbBuffer, *piBuffer, &cbAvailable); 51 hr = ::SIZETSub(cbBuffer, *piBuffer, &cbAvailable);
37 ExitOnRootFailure(hr, "Failed to calculate available data size."); 52 BuffExitOnRootFailure(hr, "Failed to calculate available data size.");
38 53
39 // verify buffer size 54 // verify buffer size
40 if (sizeof(DWORD) > cbAvailable) 55 if (sizeof(DWORD) > cbAvailable)
41 { 56 {
42 hr = E_INVALIDARG; 57 hr = E_INVALIDARG;
43 ExitOnRootFailure(hr, "Buffer too small."); 58 BuffExitOnRootFailure(hr, "Buffer too small.");
44 } 59 }
45 60
46 *pdw = *(const DWORD*)(pbBuffer + *piBuffer); 61 *pdw = *(const DWORD*)(pbBuffer + *piBuffer);
@@ -66,13 +81,13 @@ extern "C" HRESULT BuffReadNumber64(
66 81
67 // get availiable data size 82 // get availiable data size
68 hr = ::SIZETSub(cbBuffer, *piBuffer, &cbAvailable); 83 hr = ::SIZETSub(cbBuffer, *piBuffer, &cbAvailable);
69 ExitOnRootFailure(hr, "Failed to calculate available data size."); 84 BuffExitOnRootFailure(hr, "Failed to calculate available data size.");
70 85
71 // verify buffer size 86 // verify buffer size
72 if (sizeof(DWORD64) > cbAvailable) 87 if (sizeof(DWORD64) > cbAvailable)
73 { 88 {
74 hr = E_INVALIDARG; 89 hr = E_INVALIDARG;
75 ExitOnRootFailure(hr, "Buffer too small."); 90 BuffExitOnRootFailure(hr, "Buffer too small.");
76 } 91 }
77 92
78 *pdw64 = *(const DWORD64*)(pbBuffer + *piBuffer); 93 *pdw64 = *(const DWORD64*)(pbBuffer + *piBuffer);
@@ -98,13 +113,13 @@ extern "C" HRESULT BuffReadPointer(
98 113
99 // get availiable data size 114 // get availiable data size
100 hr = ::SIZETSub(cbBuffer, *piBuffer, &cbAvailable); 115 hr = ::SIZETSub(cbBuffer, *piBuffer, &cbAvailable);
101 ExitOnRootFailure(hr, "Failed to calculate available data size."); 116 BuffExitOnRootFailure(hr, "Failed to calculate available data size.");
102 117
103 // verify buffer size 118 // verify buffer size
104 if (sizeof(DWORD_PTR) > cbAvailable) 119 if (sizeof(DWORD_PTR) > cbAvailable)
105 { 120 {
106 hr = E_INVALIDARG; 121 hr = E_INVALIDARG;
107 ExitOnRootFailure(hr, "Buffer too small."); 122 BuffExitOnRootFailure(hr, "Buffer too small.");
108 } 123 }
109 124
110 *pdw64 = *(const DWORD_PTR*)(pbBuffer + *piBuffer); 125 *pdw64 = *(const DWORD_PTR*)(pbBuffer + *piBuffer);
@@ -132,38 +147,38 @@ extern "C" HRESULT BuffReadString(
132 147
133 // get availiable data size 148 // get availiable data size
134 hr = ::SIZETSub(cbBuffer, *piBuffer, &cbAvailable); 149 hr = ::SIZETSub(cbBuffer, *piBuffer, &cbAvailable);
135 ExitOnRootFailure(hr, "Failed to calculate available data size for character count."); 150 BuffExitOnRootFailure(hr, "Failed to calculate available data size for character count.");
136 151
137 // verify buffer size 152 // verify buffer size
138 if (sizeof(DWORD) > cbAvailable) 153 if (sizeof(DWORD) > cbAvailable)
139 { 154 {
140 hr = E_INVALIDARG; 155 hr = E_INVALIDARG;
141 ExitOnRootFailure(hr, "Buffer too small."); 156 BuffExitOnRootFailure(hr, "Buffer too small.");
142 } 157 }
143 158
144 // read character count 159 // read character count
145 cch = *(const DWORD*)(pbBuffer + *piBuffer); 160 cch = *(const DWORD*)(pbBuffer + *piBuffer);
146 161
147 hr = ::DWordMult(cch, static_cast<DWORD>(sizeof(WCHAR)), &cb); 162 hr = ::DWordMult(cch, static_cast<DWORD>(sizeof(WCHAR)), &cb);
148 ExitOnRootFailure(hr, "Overflow while multiplying to calculate buffer size"); 163 BuffExitOnRootFailure(hr, "Overflow while multiplying to calculate buffer size");
149 164
150 hr = ::SIZETAdd(*piBuffer, sizeof(DWORD), piBuffer); 165 hr = ::SIZETAdd(*piBuffer, sizeof(DWORD), piBuffer);
151 ExitOnRootFailure(hr, "Overflow while adding to calculate buffer size"); 166 BuffExitOnRootFailure(hr, "Overflow while adding to calculate buffer size");
152 167
153 // get availiable data size 168 // get availiable data size
154 hr = ::SIZETSub(cbBuffer, *piBuffer, &cbAvailable); 169 hr = ::SIZETSub(cbBuffer, *piBuffer, &cbAvailable);
155 ExitOnRootFailure(hr, "Failed to calculate available data size for character buffer."); 170 BuffExitOnRootFailure(hr, "Failed to calculate available data size for character buffer.");
156 171
157 // verify buffer size 172 // verify buffer size
158 if (cb > cbAvailable) 173 if (cb > cbAvailable)
159 { 174 {
160 hr = E_INVALIDARG; 175 hr = E_INVALIDARG;
161 ExitOnRootFailure(hr, "Buffer too small to hold character data."); 176 BuffExitOnRootFailure(hr, "Buffer too small to hold character data.");
162 } 177 }
163 178
164 // copy character data 179 // copy character data
165 hr = StrAllocString(pscz, cch ? (LPCWSTR)(pbBuffer + *piBuffer) : L"", cch); 180 hr = StrAllocString(pscz, cch ? (LPCWSTR)(pbBuffer + *piBuffer) : L"", cch);
166 ExitOnFailure(hr, "Failed to copy character data."); 181 BuffExitOnFailure(hr, "Failed to copy character data.");
167 182
168 *piBuffer += cb; 183 *piBuffer += cb;
169 184
@@ -189,38 +204,38 @@ extern "C" HRESULT BuffReadStringAnsi(
189 204
190 // get availiable data size 205 // get availiable data size
191 hr = ::SIZETSub(cbBuffer, *piBuffer, &cbAvailable); 206 hr = ::SIZETSub(cbBuffer, *piBuffer, &cbAvailable);
192 ExitOnRootFailure(hr, "Failed to calculate available data size for character count."); 207 BuffExitOnRootFailure(hr, "Failed to calculate available data size for character count.");
193 208
194 // verify buffer size 209 // verify buffer size
195 if (sizeof(DWORD) > cbAvailable) 210 if (sizeof(DWORD) > cbAvailable)
196 { 211 {
197 hr = E_INVALIDARG; 212 hr = E_INVALIDARG;
198 ExitOnRootFailure(hr, "Buffer too small."); 213 BuffExitOnRootFailure(hr, "Buffer too small.");
199 } 214 }
200 215
201 // read character count 216 // read character count
202 cch = *(const DWORD*)(pbBuffer + *piBuffer); 217 cch = *(const DWORD*)(pbBuffer + *piBuffer);
203 218
204 hr = ::DWordMult(cch, static_cast<DWORD>(sizeof(CHAR)), &cb); 219 hr = ::DWordMult(cch, static_cast<DWORD>(sizeof(CHAR)), &cb);
205 ExitOnRootFailure(hr, "Overflow while multiplying to calculate buffer size"); 220 BuffExitOnRootFailure(hr, "Overflow while multiplying to calculate buffer size");
206 221
207 hr = ::SIZETAdd(*piBuffer, sizeof(DWORD), piBuffer); 222 hr = ::SIZETAdd(*piBuffer, sizeof(DWORD), piBuffer);
208 ExitOnRootFailure(hr, "Overflow while adding to calculate buffer size"); 223 BuffExitOnRootFailure(hr, "Overflow while adding to calculate buffer size");
209 224
210 // get availiable data size 225 // get availiable data size
211 hr = ::SIZETSub(cbBuffer, *piBuffer, &cbAvailable); 226 hr = ::SIZETSub(cbBuffer, *piBuffer, &cbAvailable);
212 ExitOnRootFailure(hr, "Failed to calculate available data size for character buffer."); 227 BuffExitOnRootFailure(hr, "Failed to calculate available data size for character buffer.");
213 228
214 // verify buffer size 229 // verify buffer size
215 if (cb > cbAvailable) 230 if (cb > cbAvailable)
216 { 231 {
217 hr = E_INVALIDARG; 232 hr = E_INVALIDARG;
218 ExitOnRootFailure(hr, "Buffer too small to hold character count."); 233 BuffExitOnRootFailure(hr, "Buffer too small to hold character count.");
219 } 234 }
220 235
221 // copy character data 236 // copy character data
222 hr = StrAnsiAllocStringAnsi(pscz, cch ? (LPCSTR)(pbBuffer + *piBuffer) : "", cch); 237 hr = StrAnsiAllocStringAnsi(pscz, cch ? (LPCSTR)(pbBuffer + *piBuffer) : "", cch);
223 ExitOnFailure(hr, "Failed to copy character data."); 238 BuffExitOnFailure(hr, "Failed to copy character data.");
224 239
225 *piBuffer += cb; 240 *piBuffer += cb;
226 241
@@ -232,7 +247,7 @@ extern "C" HRESULT BuffReadStream(
232 __in_bcount(cbBuffer) const BYTE* pbBuffer, 247 __in_bcount(cbBuffer) const BYTE* pbBuffer,
233 __in SIZE_T cbBuffer, 248 __in SIZE_T cbBuffer,
234 __inout SIZE_T* piBuffer, 249 __inout SIZE_T* piBuffer,
235 __deref_out_bcount(*pcbStream) BYTE** ppbStream, 250 __deref_inout_bcount(*pcbStream) BYTE** ppbStream,
236 __out SIZE_T* pcbStream 251 __out SIZE_T* pcbStream
237 ) 252 )
238{ 253{
@@ -247,13 +262,13 @@ extern "C" HRESULT BuffReadStream(
247 262
248 // get availiable data size 263 // get availiable data size
249 hr = ::SIZETSub(cbBuffer, *piBuffer, &cbAvailable); 264 hr = ::SIZETSub(cbBuffer, *piBuffer, &cbAvailable);
250 ExitOnRootFailure(hr, "Failed to calculate available data size for stream size."); 265 BuffExitOnRootFailure(hr, "Failed to calculate available data size for stream size.");
251 266
252 // verify buffer size 267 // verify buffer size
253 if (sizeof(DWORD64) > cbAvailable) 268 if (sizeof(DWORD64) > cbAvailable)
254 { 269 {
255 hr = E_INVALIDARG; 270 hr = E_INVALIDARG;
256 ExitOnRootFailure(hr, "Buffer too small."); 271 BuffExitOnRootFailure(hr, "Buffer too small.");
257 } 272 }
258 273
259 // read stream size 274 // read stream size
@@ -262,18 +277,18 @@ extern "C" HRESULT BuffReadStream(
262 277
263 // get availiable data size 278 // get availiable data size
264 hr = ::SIZETSub(cbBuffer, *piBuffer, &cbAvailable); 279 hr = ::SIZETSub(cbBuffer, *piBuffer, &cbAvailable);
265 ExitOnRootFailure(hr, "Failed to calculate available data size for stream buffer."); 280 BuffExitOnRootFailure(hr, "Failed to calculate available data size for stream buffer.");
266 281
267 // verify buffer size 282 // verify buffer size
268 if (cb > cbAvailable) 283 if (cb > cbAvailable)
269 { 284 {
270 hr = E_INVALIDARG; 285 hr = E_INVALIDARG;
271 ExitOnRootFailure(hr, "Buffer too small to hold byte count."); 286 BuffExitOnRootFailure(hr, "Buffer too small to hold byte count.");
272 } 287 }
273 288
274 // allocate buffer 289 // allocate buffer
275 *ppbStream = (BYTE*)MemAlloc((SIZE_T)cb, TRUE); 290 *ppbStream = (BYTE*)MemAlloc((SIZE_T)cb, TRUE);
276 ExitOnNull(*ppbStream, hr, E_OUTOFMEMORY, "Failed to allocate stream."); 291 BuffExitOnNull(*ppbStream, hr, E_OUTOFMEMORY, "Failed to allocate stream.");
277 292
278 // read stream data 293 // read stream data
279 memcpy_s(*ppbStream, cbBuffer - *piBuffer, pbBuffer + *piBuffer, (SIZE_T)cb); 294 memcpy_s(*ppbStream, cbBuffer - *piBuffer, pbBuffer + *piBuffer, (SIZE_T)cb);
@@ -287,7 +302,7 @@ LExit:
287} 302}
288 303
289extern "C" HRESULT BuffWriteNumber( 304extern "C" HRESULT BuffWriteNumber(
290 __deref_out_bcount(*piBuffer) BYTE** ppbBuffer, 305 __deref_inout_bcount(*piBuffer) BYTE** ppbBuffer,
291 __inout SIZE_T* piBuffer, 306 __inout SIZE_T* piBuffer,
292 __in DWORD_PTR dw 307 __in DWORD_PTR dw
293 ) 308 )
@@ -299,7 +314,7 @@ extern "C" HRESULT BuffWriteNumber(
299 314
300 // make sure we have a buffer with sufficient space 315 // make sure we have a buffer with sufficient space
301 hr = EnsureBufferSize(ppbBuffer, *piBuffer + sizeof(DWORD)); 316 hr = EnsureBufferSize(ppbBuffer, *piBuffer + sizeof(DWORD));
302 ExitOnFailure(hr, "Failed to ensure buffer size."); 317 BuffExitOnFailure(hr, "Failed to ensure buffer size.");
303 318
304 // copy data to buffer 319 // copy data to buffer
305 *(DWORD_PTR*)(*ppbBuffer + *piBuffer) = dw; 320 *(DWORD_PTR*)(*ppbBuffer + *piBuffer) = dw;
@@ -310,7 +325,7 @@ LExit:
310} 325}
311 326
312extern "C" HRESULT BuffWriteNumber64( 327extern "C" HRESULT BuffWriteNumber64(
313 __deref_out_bcount(*piBuffer) BYTE** ppbBuffer, 328 __deref_inout_bcount(*piBuffer) BYTE** ppbBuffer,
314 __inout SIZE_T* piBuffer, 329 __inout SIZE_T* piBuffer,
315 __in DWORD64 dw64 330 __in DWORD64 dw64
316 ) 331 )
@@ -322,7 +337,7 @@ extern "C" HRESULT BuffWriteNumber64(
322 337
323 // make sure we have a buffer with sufficient space 338 // make sure we have a buffer with sufficient space
324 hr = EnsureBufferSize(ppbBuffer, *piBuffer + sizeof(DWORD64)); 339 hr = EnsureBufferSize(ppbBuffer, *piBuffer + sizeof(DWORD64));
325 ExitOnFailure(hr, "Failed to ensure buffer size."); 340 BuffExitOnFailure(hr, "Failed to ensure buffer size.");
326 341
327 // copy data to buffer 342 // copy data to buffer
328 *(DWORD64*)(*ppbBuffer + *piBuffer) = dw64; 343 *(DWORD64*)(*ppbBuffer + *piBuffer) = dw64;
@@ -333,7 +348,7 @@ LExit:
333} 348}
334 349
335extern "C" HRESULT BuffWritePointer( 350extern "C" HRESULT BuffWritePointer(
336 __deref_out_bcount(*piBuffer) BYTE** ppbBuffer, 351 __deref_inout_bcount(*piBuffer) BYTE** ppbBuffer,
337 __inout SIZE_T* piBuffer, 352 __inout SIZE_T* piBuffer,
338 __in DWORD_PTR dw 353 __in DWORD_PTR dw
339) 354)
@@ -345,7 +360,7 @@ extern "C" HRESULT BuffWritePointer(
345 360
346 // make sure we have a buffer with sufficient space 361 // make sure we have a buffer with sufficient space
347 hr = EnsureBufferSize(ppbBuffer, *piBuffer + sizeof(DWORD_PTR)); 362 hr = EnsureBufferSize(ppbBuffer, *piBuffer + sizeof(DWORD_PTR));
348 ExitOnFailure(hr, "Failed to ensure buffer size."); 363 BuffExitOnFailure(hr, "Failed to ensure buffer size.");
349 364
350 // copy data to buffer 365 // copy data to buffer
351 *(DWORD_PTR*)(*ppbBuffer + *piBuffer) = dw; 366 *(DWORD_PTR*)(*ppbBuffer + *piBuffer) = dw;
@@ -356,7 +371,7 @@ LExit:
356} 371}
357 372
358extern "C" HRESULT BuffWriteString( 373extern "C" HRESULT BuffWriteString(
359 __deref_out_bcount(*piBuffer) BYTE** ppbBuffer, 374 __deref_inout_bcount(*piBuffer) BYTE** ppbBuffer,
360 __inout SIZE_T* piBuffer, 375 __inout SIZE_T* piBuffer,
361 __in_z_opt LPCWSTR scz 376 __in_z_opt LPCWSTR scz
362 ) 377 )
@@ -370,7 +385,7 @@ extern "C" HRESULT BuffWriteString(
370 385
371 // make sure we have a buffer with sufficient space 386 // make sure we have a buffer with sufficient space
372 hr = EnsureBufferSize(ppbBuffer, *piBuffer + (sizeof(DWORD) + cb)); 387 hr = EnsureBufferSize(ppbBuffer, *piBuffer + (sizeof(DWORD) + cb));
373 ExitOnFailure(hr, "Failed to ensure buffer size."); 388 BuffExitOnFailure(hr, "Failed to ensure buffer size.");
374 389
375 // copy character count to buffer 390 // copy character count to buffer
376 *(DWORD*)(*ppbBuffer + *piBuffer) = cch; 391 *(DWORD*)(*ppbBuffer + *piBuffer) = cch;
@@ -385,7 +400,7 @@ LExit:
385} 400}
386 401
387extern "C" HRESULT BuffWriteStringAnsi( 402extern "C" HRESULT BuffWriteStringAnsi(
388 __deref_out_bcount(*piBuffer) BYTE** ppbBuffer, 403 __deref_inout_bcount(*piBuffer) BYTE** ppbBuffer,
389 __inout SIZE_T* piBuffer, 404 __inout SIZE_T* piBuffer,
390 __in_z_opt LPCSTR scz 405 __in_z_opt LPCSTR scz
391 ) 406 )
@@ -399,7 +414,7 @@ extern "C" HRESULT BuffWriteStringAnsi(
399 414
400 // make sure we have a buffer with sufficient space 415 // make sure we have a buffer with sufficient space
401 hr = EnsureBufferSize(ppbBuffer, *piBuffer + (sizeof(DWORD) + cb)); 416 hr = EnsureBufferSize(ppbBuffer, *piBuffer + (sizeof(DWORD) + cb));
402 ExitOnFailure(hr, "Failed to ensure buffer size."); 417 BuffExitOnFailure(hr, "Failed to ensure buffer size.");
403 418
404 // copy character count to buffer 419 // copy character count to buffer
405 *(DWORD*)(*ppbBuffer + *piBuffer) = cch; 420 *(DWORD*)(*ppbBuffer + *piBuffer) = cch;
@@ -414,7 +429,7 @@ LExit:
414} 429}
415 430
416extern "C" HRESULT BuffWriteStream( 431extern "C" HRESULT BuffWriteStream(
417 __deref_out_bcount(*piBuffer) BYTE** ppbBuffer, 432 __deref_inout_bcount(*piBuffer) BYTE** ppbBuffer,
418 __inout SIZE_T* piBuffer, 433 __inout SIZE_T* piBuffer,
419 __in_bcount(cbStream) const BYTE* pbStream, 434 __in_bcount(cbStream) const BYTE* pbStream,
420 __in SIZE_T cbStream 435 __in SIZE_T cbStream
@@ -429,7 +444,7 @@ extern "C" HRESULT BuffWriteStream(
429 444
430 // make sure we have a buffer with sufficient space 445 // make sure we have a buffer with sufficient space
431 hr = EnsureBufferSize(ppbBuffer, *piBuffer + cbStream + sizeof(DWORD64)); 446 hr = EnsureBufferSize(ppbBuffer, *piBuffer + cbStream + sizeof(DWORD64));
432 ExitOnFailure(hr, "Failed to ensure buffer size."); 447 BuffExitOnFailure(hr, "Failed to ensure buffer size.");
433 448
434 // copy byte count to buffer 449 // copy byte count to buffer
435 *(DWORD64*)(*ppbBuffer + *piBuffer) = cb; 450 *(DWORD64*)(*ppbBuffer + *piBuffer) = cb;
@@ -447,7 +462,7 @@ LExit:
447// helper functions 462// helper functions
448 463
449static HRESULT EnsureBufferSize( 464static HRESULT EnsureBufferSize(
450 __deref_out_bcount(cbSize) BYTE** ppbBuffer, 465 __deref_inout_bcount(cbSize) BYTE** ppbBuffer,
451 __in SIZE_T cbSize 466 __in SIZE_T cbSize
452 ) 467 )
453{ 468{
@@ -459,14 +474,14 @@ static HRESULT EnsureBufferSize(
459 if (MemSize(*ppbBuffer) < cbTarget) 474 if (MemSize(*ppbBuffer) < cbTarget)
460 { 475 {
461 LPVOID pv = MemReAlloc(*ppbBuffer, cbTarget, TRUE); 476 LPVOID pv = MemReAlloc(*ppbBuffer, cbTarget, TRUE);
462 ExitOnNull(pv, hr, E_OUTOFMEMORY, "Failed to reallocate buffer."); 477 BuffExitOnNull(pv, hr, E_OUTOFMEMORY, "Failed to reallocate buffer.");
463 *ppbBuffer = (BYTE*)pv; 478 *ppbBuffer = (BYTE*)pv;
464 } 479 }
465 } 480 }
466 else 481 else
467 { 482 {
468 *ppbBuffer = (BYTE*)MemAlloc(cbTarget, TRUE); 483 *ppbBuffer = (BYTE*)MemAlloc(cbTarget, TRUE);
469 ExitOnNull(*ppbBuffer, hr, E_OUTOFMEMORY, "Failed to allocate buffer."); 484 BuffExitOnNull(*ppbBuffer, hr, E_OUTOFMEMORY, "Failed to allocate buffer.");
470 } 485 }
471 486
472LExit: 487LExit: