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Diffstat (limited to 'src/ToolBox/superpmi/superpmi/filecache.cpp')
-rw-r--r--src/ToolBox/superpmi/superpmi/filecache.cpp134
1 files changed, 62 insertions, 72 deletions
diff --git a/src/ToolBox/superpmi/superpmi/filecache.cpp b/src/ToolBox/superpmi/superpmi/filecache.cpp
index dcd783a09b..0455fa9fe7 100644
--- a/src/ToolBox/superpmi/superpmi/filecache.cpp
+++ b/src/ToolBox/superpmi/superpmi/filecache.cpp
@@ -8,93 +8,89 @@
#include "standardpch.h"
#include "filecache.h"
-#define FileCacheSize 0xFFFFFF //needs to be bigger than the biggest read request.
+#define FileCacheSize 0xFFFFFF // needs to be bigger than the biggest read request.
-HANDLE FileCache::cachedHandle;
-bool FileCache::openAsCache;
-BYTE *FileCache::rawBuff;
+HANDLE FileCache::cachedHandle;
+bool FileCache::openAsCache;
+BYTE* FileCache::rawBuff;
unsigned int FileCache::offset;
unsigned int FileCache::length;
-__int64 FileCache::fileoffset;
+__int64 FileCache::fileoffset;
HANDLE
-FileCache::CreateFileA(
- _In_ LPCSTR lpFileName,
- _In_ DWORD dwDesiredAccess,
- _In_ DWORD dwShareMode,
- _In_opt_ LPSECURITY_ATTRIBUTES lpSecurityAttributes,
- _In_ DWORD dwCreationDisposition,
- _In_ DWORD dwFlagsAndAttributes,
- _In_opt_ HANDLE hTemplateFile
- )
+FileCache::CreateFileA(_In_ LPCSTR lpFileName,
+ _In_ DWORD dwDesiredAccess,
+ _In_ DWORD dwShareMode,
+ _In_opt_ LPSECURITY_ATTRIBUTES lpSecurityAttributes,
+ _In_ DWORD dwCreationDisposition,
+ _In_ DWORD dwFlagsAndAttributes,
+ _In_opt_ HANDLE hTemplateFile)
{
openAsCache = false;
- rawBuff = nullptr;
- offset = 0;
- length = 0;
+ rawBuff = nullptr;
+ offset = 0;
+ length = 0;
- if((dwShareMode&CACHE_THIS_FILE)==CACHE_THIS_FILE)
+ if ((dwShareMode & CACHE_THIS_FILE) == CACHE_THIS_FILE)
{
dwShareMode ^= CACHE_THIS_FILE;
openAsCache = true;
}
- HANDLE temp = ::CreateFileA(lpFileName, dwDesiredAccess, dwShareMode, lpSecurityAttributes, dwCreationDisposition, dwFlagsAndAttributes, hTemplateFile);
- if(openAsCache)
- cachedHandle = temp; //yes yes.. this is unsafe.. but one accessor now is okay. bswhack
+ HANDLE temp = ::CreateFileA(lpFileName, dwDesiredAccess, dwShareMode, lpSecurityAttributes, dwCreationDisposition,
+ dwFlagsAndAttributes, hTemplateFile);
+ if (openAsCache)
+ cachedHandle = temp; // yes yes.. this is unsafe.. but one accessor now is okay. bswhack
return temp;
}
HANDLE
-FileCache::CreateFileW(
- _In_ LPCWSTR lpFileName,
- _In_ DWORD dwDesiredAccess,
- _In_ DWORD dwShareMode,
- _In_opt_ LPSECURITY_ATTRIBUTES lpSecurityAttributes,
- _In_ DWORD dwCreationDisposition,
- _In_ DWORD dwFlagsAndAttributes,
- _In_opt_ HANDLE hTemplateFile
- )
+FileCache::CreateFileW(_In_ LPCWSTR lpFileName,
+ _In_ DWORD dwDesiredAccess,
+ _In_ DWORD dwShareMode,
+ _In_opt_ LPSECURITY_ATTRIBUTES lpSecurityAttributes,
+ _In_ DWORD dwCreationDisposition,
+ _In_ DWORD dwFlagsAndAttributes,
+ _In_opt_ HANDLE hTemplateFile)
{
openAsCache = false;
- rawBuff = nullptr;
- offset = 0;
- length = 0;
- return ::CreateFileW(lpFileName, dwDesiredAccess, dwShareMode, lpSecurityAttributes, dwCreationDisposition, dwFlagsAndAttributes, hTemplateFile);
+ rawBuff = nullptr;
+ offset = 0;
+ length = 0;
+ return ::CreateFileW(lpFileName, dwDesiredAccess, dwShareMode, lpSecurityAttributes, dwCreationDisposition,
+ dwFlagsAndAttributes, hTemplateFile);
}
-
-//Somewhat sloppy quick copy... we don't treat lpNumberOfBytesRead etc correctly
-BOOL
-FileCache::ReadFile(
- _In_ HANDLE hFile,
- _Out_writes_bytes_to_opt_(nNumberOfBytesToRead, *lpNumberOfBytesRead) __out_data_source(FILE) LPVOID lpBuffer,
- _In_ DWORD nNumberOfBytesToRead,
- _Out_opt_ LPDWORD lpNumberOfBytesRead,
- _Inout_opt_ LPOVERLAPPED lpOverlapped
- )
+// Somewhat sloppy quick copy... we don't treat lpNumberOfBytesRead etc correctly
+BOOL FileCache::ReadFile(_In_ HANDLE hFile,
+ _Out_writes_bytes_to_opt_(nNumberOfBytesToRead, *lpNumberOfBytesRead) __out_data_source(FILE)
+ LPVOID lpBuffer,
+ _In_ DWORD nNumberOfBytesToRead,
+ _Out_opt_ LPDWORD lpNumberOfBytesRead,
+ _Inout_opt_ LPOVERLAPPED lpOverlapped)
{
- if(!openAsCache)
+ if (!openAsCache)
return ::ReadFile(hFile, lpBuffer, nNumberOfBytesToRead, lpNumberOfBytesRead, lpOverlapped);
else
{
- if(rawBuff == nullptr)
+ if (rawBuff == nullptr)
{
rawBuff = new BYTE[FileCacheSize];
- length = FileCacheSize;
- offset = FileCacheSize;
+ length = FileCacheSize;
+ offset = FileCacheSize;
}
- if(nNumberOfBytesToRead > FileCacheSize)
+ if (nNumberOfBytesToRead > FileCacheSize)
{
printf("ERROR: nNumberOfBytesToRead exceeds FileCacheSize %u > %u\n", nNumberOfBytesToRead, FileCacheSize);
__debugbreak();
}
- if((offset+nNumberOfBytesToRead) > length)
+ if ((offset + nNumberOfBytesToRead) > length)
{
- memmove(rawBuff, &rawBuff[offset], length-offset); //Use memmove since we have overlapping regions more than half the time
- ::ReadFile(hFile, &rawBuff[length-offset], offset, lpNumberOfBytesRead, lpOverlapped);
- if(*lpNumberOfBytesRead ==0)
+ memmove(rawBuff, &rawBuff[offset],
+ length - offset); // Use memmove since we have overlapping regions more than half the time
+ ::ReadFile(hFile, &rawBuff[length - offset], offset, lpNumberOfBytesRead, lpOverlapped);
+ if (*lpNumberOfBytesRead == 0)
__debugbreak();
- length -= offset-(*lpNumberOfBytesRead);
+ length -= offset - (*lpNumberOfBytesRead);
LARGE_INTEGER DataTemp;
LARGE_INTEGER zero;
zero.QuadPart = 0;
@@ -104,23 +100,20 @@ FileCache::ReadFile(
offset = 0;
}
memcpy(lpBuffer, &rawBuff[offset], nNumberOfBytesToRead);
- offset+=nNumberOfBytesToRead;
- if(offset > FileCacheSize)
+ offset += nNumberOfBytesToRead;
+ if (offset > FileCacheSize)
__debugbreak();
return true;
}
}
-BOOL
-FileCache::WriteFile(
- _In_ HANDLE hFile,
- _In_reads_bytes_opt_(nNumberOfBytesToWrite) LPCVOID lpBuffer,
- _In_ DWORD nNumberOfBytesToWrite,
- _Out_opt_ LPDWORD lpNumberOfBytesWritten,
- _Inout_opt_ LPOVERLAPPED lpOverlapped
- )
+BOOL FileCache::WriteFile(_In_ HANDLE hFile,
+ _In_reads_bytes_opt_(nNumberOfBytesToWrite) LPCVOID lpBuffer,
+ _In_ DWORD nNumberOfBytesToWrite,
+ _Out_opt_ LPDWORD lpNumberOfBytesWritten,
+ _Inout_opt_ LPOVERLAPPED lpOverlapped)
{
- if(!openAsCache)
+ if (!openAsCache)
return ::WriteFile(hFile, lpBuffer, nNumberOfBytesToWrite, lpNumberOfBytesWritten, lpOverlapped);
else
{
@@ -130,17 +123,14 @@ FileCache::WriteFile(
}
}
-BOOL
-FileCache::CloseHandle(
- _In_ HANDLE hObject
- )
+BOOL FileCache::CloseHandle(_In_ HANDLE hObject)
{
- if(!openAsCache)
+ if (!openAsCache)
return ::CloseHandle(hObject);
else
{
- if(rawBuff!=nullptr)
- delete []rawBuff;
+ if (rawBuff != nullptr)
+ delete[] rawBuff;
return ::CloseHandle(hObject);
}
}
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