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Force file copy on odin strip-semicolon

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This commit is contained in:
gingerBill
2021-09-18 12:52:43 +01:00
parent 73427d3ab3
commit 05ac2002e0
3 changed files with 73 additions and 70 deletions
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130
src/common.cpp
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@@ -868,76 +868,77 @@ enum MemoryMappedFileError {
MemoryMappedFile_COUNT,
};
MemoryMappedFileError memory_map_file_32(char const *fullpath, MemoryMappedFile *memory_mapped_file) {
MemoryMappedFileError memory_map_file_32(char const *fullpath, MemoryMappedFile *memory_mapped_file, bool copy_file_contents) {
MemoryMappedFileError err = MemoryMappedFile_None;
#if defined(GB_SYSTEM_WINDOWS)
isize w_len = 0;
wchar_t *w_str = gb__alloc_utf8_to_ucs2(temporary_allocator(), fullpath, &w_len);
if (w_str == nullptr) {
return MemoryMappedFile_Invalid;
}
i64 file_size = 0;
LARGE_INTEGER li_file_size = {};
HANDLE handle = nullptr;
HANDLE file_mapping = nullptr;
void *file_data = nullptr;
handle = CreateFileW(w_str, GENERIC_READ, FILE_SHARE_READ, nullptr, OPEN_EXISTING, FILE_FLAG_SEQUENTIAL_SCAN, NULL);
if (handle == INVALID_HANDLE_VALUE) {
handle = nullptr;
goto window_handle_file_error;
}
li_file_size = {};
if (!GetFileSizeEx(handle, &li_file_size)) {
goto window_handle_file_error;
}
file_size = cast(i64)li_file_size.QuadPart;
if (file_size > I32_MAX) {
CloseHandle(handle);
return MemoryMappedFile_FileTooLarge;
}
if (file_size == 0) {
CloseHandle(handle);
err = MemoryMappedFile_Empty;
memory_mapped_file->handle = nullptr;
memory_mapped_file->data = nullptr;
memory_mapped_file->size = 0;
return err;
}
file_mapping = CreateFileMappingW(handle, nullptr, PAGE_READONLY, 0, 0, nullptr);
CloseHandle(handle);
file_data = MapViewOfFileEx(file_mapping, FILE_MAP_READ, 0, 0, 0/*file_size*/, nullptr/*base address*/);
memory_mapped_file->handle = cast(void *)file_mapping;
memory_mapped_file->data = file_data;
memory_mapped_file->size = cast(i32)file_size;
return err;
window_handle_file_error:;
{
DWORD handle_err = GetLastError();
CloseHandle(handle);
err = MemoryMappedFile_Invalid;
switch (handle_err) {
case ERROR_FILE_NOT_FOUND:
case ERROR_PATH_NOT_FOUND:
case ERROR_INVALID_DRIVE:
err = MemoryMappedFile_NotExists;
break;
case ERROR_ACCESS_DENIED:
case ERROR_INVALID_ACCESS:
err = MemoryMappedFile_Permission;
break;
if (!copy_file_contents) {
#if defined(GB_SYSTEM_WINDOWS)
isize w_len = 0;
wchar_t *w_str = gb__alloc_utf8_to_ucs2(temporary_allocator(), fullpath, &w_len);
if (w_str == nullptr) {
return MemoryMappedFile_Invalid;
}
i64 file_size = 0;
LARGE_INTEGER li_file_size = {};
HANDLE handle = nullptr;
HANDLE file_mapping = nullptr;
void *file_data = nullptr;
handle = CreateFileW(w_str, GENERIC_READ, FILE_SHARE_READ, nullptr, OPEN_EXISTING, FILE_FLAG_SEQUENTIAL_SCAN, NULL);
if (handle == INVALID_HANDLE_VALUE) {
handle = nullptr;
goto window_handle_file_error;
}
li_file_size = {};
if (!GetFileSizeEx(handle, &li_file_size)) {
goto window_handle_file_error;
}
file_size = cast(i64)li_file_size.QuadPart;
if (file_size > I32_MAX) {
CloseHandle(handle);
return MemoryMappedFile_FileTooLarge;
}
if (file_size == 0) {
CloseHandle(handle);
err = MemoryMappedFile_Empty;
memory_mapped_file->handle = nullptr;
memory_mapped_file->data = nullptr;
memory_mapped_file->size = 0;
return err;
}
file_mapping = CreateFileMappingW(handle, nullptr, PAGE_READONLY, 0, 0, nullptr);
CloseHandle(handle);
file_data = MapViewOfFileEx(file_mapping, FILE_MAP_READ, 0, 0, 0/*file_size*/, nullptr/*base address*/);
memory_mapped_file->handle = cast(void *)file_mapping;
memory_mapped_file->data = file_data;
memory_mapped_file->size = cast(i32)file_size;
return err;
window_handle_file_error:;
{
DWORD handle_err = GetLastError();
CloseHandle(handle);
err = MemoryMappedFile_Invalid;
switch (handle_err) {
case ERROR_FILE_NOT_FOUND:
case ERROR_PATH_NOT_FOUND:
case ERROR_INVALID_DRIVE:
err = MemoryMappedFile_NotExists;
break;
case ERROR_ACCESS_DENIED:
case ERROR_INVALID_ACCESS:
err = MemoryMappedFile_Permission;
break;
}
return err;
}
#endif
}
#else
// TODO(bill): Memory map rather than copy contents
gbFileContents fc = gb_file_read_contents(heap_allocator(), true, fullpath);
if (fc.size > I32_MAX) {
@@ -963,7 +964,6 @@ window_handle_file_error:;
}
}
return err;
#endif
}