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chore(util): clean up SFile::OpenEx

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VDm 2024-02-07 01:38:26 +04:00
parent 2eae7fd34b
commit 65e7b80159
1 changed files with 9 additions and 30 deletions
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39
src/util/SFile.cpp
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@ -79,44 +79,23 @@ int32_t SFile::OpenEx(SArchive* archive, const char* filename, uint32_t flags, S
*file = nullptr; *file = nullptr;
size_t length = SStrLen(filename); char path[STORM_MAX_PATH];
// Overflow protection // Overflow protection
if (length + 1 > STORM_MAX_PATH) if (SStrLen(filename) + 1 > sizeof(path))
return 0; return 0;
char nativePath[STORM_MAX_PATH] = { 0 }; SStrCopy(path, filename, sizeof(path));
char backslashPath[STORM_MAX_PATH] = { 0 }; OsFileToNativeSlashes(path);
SStrCopy(nativePath, filename, STORM_MAX_PATH);
SStrCopy(backslashPath, filename, STORM_MAX_PATH);
OsFileToNativeSlashes(nativePath);
OsFileToBackSlashes(backslashPath);
char message[512] = { 0 };
HANDLE handle; HANDLE handle;
bool local = true; if (!SFileOpenFileEx(nullptr, path, SFILE_OPEN_LOCAL_FILE, &handle)) {
if (!SFileOpenFileEx(nullptr, nativePath, SFILE_OPEN_LOCAL_FILE, &handle)) { OsFileToBackSlashes(path);
local = false; if (!SFileOpenFileEx(g_mpqHandle, path, SFILE_OPEN_FROM_MPQ, &handle)) {
if (!SFileOpenFileEx(g_mpqHandle, backslashPath, SFILE_OPEN_FROM_MPQ, &handle)) {
SStrCopy(message, "[SFile] Unable to open: ", sizeof(message));
strcat(message, filename);
strcat(message, "\n");
OutputDebugStringA(message);
return 0; return 0;
} }
} }
if (local) {
SStrCopy(message, "[SFile] Open (file system): ", sizeof(message));
} else {
SStrCopy(message, "[SFile] Open (archive): ", sizeof(message));
}
strcat(message, filename);
strcat(message, "\n");
OutputDebugStringA(message);
*file = new SFile; *file = new SFile;
(*file)->m_handle = handle; (*file)->m_handle = handle;
@ -126,7 +105,7 @@ int32_t SFile::OpenEx(SArchive* archive, const char* filename, uint32_t flags, S
// TODO Proper implementation // TODO Proper implementation
int32_t SFile::Read(SFile* file, void* buffer, size_t bytestoread, size_t* bytesread, SOVERLAPPED* overlapped, TASYNCPARAMBLOCK* asyncparam) { int32_t SFile::Read(SFile* file, void* buffer, size_t bytestoread, size_t* bytesread, SOVERLAPPED* overlapped, TASYNCPARAMBLOCK* asyncparam) {
DWORD read = 0; DWORD read = 0;
if (SFileReadFile(file->m_handle, buffer, bytestoread, &read, nullptr)) { if (SFileReadFile(file->m_handle, buffer, static_cast<DWORD>(bytestoread), &read, nullptr)) {
if (bytesread) if (bytesread)
*bytesread = read; *bytesread = read;
return 1; return 1;