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Ginger Bill
2016-11-30 10:52:09 +00:00
parent d9c686b53d
commit b76c8abe73
8 changed files with 394 additions and 325 deletions
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core/os.odin
+18 -17
View File
@@ -6,7 +6,10 @@ when ODIN_OS == "windows" {
File_Time :: type u64
File :: struct {
Handle :: type win32.HANDLE
Handle :: raw_union {
p: rawptr
i: int
}
handle: Handle
last_write_time: File_Time
}
@@ -15,10 +18,9 @@ open :: proc(name: string) -> (File, bool) {
using win32
buf: [300]byte
copy(buf[:], name as []byte)
f := File{
handle = CreateFileA(^buf[0], FILE_GENERIC_READ, FILE_SHARE_READ, nil, OPEN_EXISTING, 0, nil),
}
success := f.handle != INVALID_HANDLE_VALUE as File.Handle
f: File
f.handle.p = CreateFileA(^buf[0], FILE_GENERIC_READ, FILE_SHARE_READ, nil, OPEN_EXISTING, 0, nil) as rawptr
success := f.handle.p != INVALID_HANDLE_VALUE
f.last_write_time = last_write_time(^f)
return f, success
}
@@ -27,21 +29,20 @@ create :: proc(name: string) -> (File, bool) {
using win32
buf: [300]byte
copy(buf[:], name as []byte)
f := File{
handle = CreateFileA(^buf[0], FILE_GENERIC_WRITE, FILE_SHARE_READ, nil, CREATE_ALWAYS, 0, nil),
}
success := f.handle != INVALID_HANDLE_VALUE as File.Handle
f: File
f.handle.p = CreateFileA(^buf[0], FILE_GENERIC_WRITE, FILE_SHARE_READ, nil, CREATE_ALWAYS, 0, nil) as rawptr
success := f.handle.p != INVALID_HANDLE_VALUE
f.last_write_time = last_write_time(^f)
return f, success
}
close :: proc(using f: ^File) {
win32.CloseHandle(handle)
win32.CloseHandle(handle.p as win32.HANDLE)
}
write :: proc(using f: ^File, buf: []byte) -> bool {
bytes_written: i32
return win32.WriteFile(handle, buf.data, buf.count as i32, ^bytes_written, nil) != 0
return win32.WriteFile(handle.p as win32.HANDLE, buf.data, buf.count as i32, ^bytes_written, nil) != 0
}
file_has_changed :: proc(f: ^File) -> bool {
@@ -57,7 +58,7 @@ file_has_changed :: proc(f: ^File) -> bool {
last_write_time :: proc(f: ^File) -> File_Time {
file_info: win32.BY_HANDLE_FILE_INFORMATION
win32.GetFileInformationByHandle(f.handle, ^file_info)
win32.GetFileInformationByHandle(f.handle.p as win32.HANDLE, ^file_info)
l := file_info.last_write_time.low_date_time as File_Time
h := file_info.last_write_time.high_date_time as File_Time
return l | h << 32
@@ -91,9 +92,9 @@ File_Standard :: type enum {
// NOTE(bill): Uses startup to initialize it
__std_files := [File_Standard.count]File{
{handle = win32.GetStdHandle(win32.STD_INPUT_HANDLE)},
{handle = win32.GetStdHandle(win32.STD_OUTPUT_HANDLE)},
{handle = win32.GetStdHandle(win32.STD_ERROR_HANDLE)},
{handle = win32.GetStdHandle(win32.STD_INPUT_HANDLE) transmute File.Handle },
{handle = win32.GetStdHandle(win32.STD_OUTPUT_HANDLE) transmute File.Handle },
{handle = win32.GetStdHandle(win32.STD_ERROR_HANDLE) transmute File.Handle },
}
stdin := ^__std_files[File_Standard.INPUT]
@@ -113,7 +114,7 @@ read_entire_file :: proc(name: string) -> ([]byte, bool) {
defer close(^f)
length: i64
file_size_ok := win32.GetFileSizeEx(f.handle as win32.HANDLE, ^length) != 0
file_size_ok := win32.GetFileSizeEx(f.handle.p as win32.HANDLE, ^length) != 0
if !file_size_ok {
return nil, false
}
@@ -136,7 +137,7 @@ read_entire_file :: proc(name: string) -> ([]byte, bool) {
to_read = MAX
}
win32.ReadFile(f.handle as win32.HANDLE, ^data[total_read], to_read, ^single_read_length, nil)
win32.ReadFile(f.handle.p as win32.HANDLE, ^data[total_read], to_read, ^single_read_length, nil)
if single_read_length <= 0 {
free(data.data)
return nil, false