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Windows Unicode I/O

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vitalyster
2019-07-21 14:29:32 +03:00
committed by Alexander Medvednikov
parent 6e6f6bc387
commit 3e005074a3
6 changed files with 199 additions and 70 deletions
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11
vlib/os/os_win.v
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@@ -15,7 +15,7 @@ type HANDLE voidptr
// get_file_handle retrieves the operating-system file handle that is associated with the specified file descriptor.
pub fn get_file_handle(path string) HANDLE {
mode := 'rb'
_fd := C.fopen(path.cstr(), mode.cstr())
_fd := C._wfopen(path.to_wide(), mode.cstr())
if _fd == 0 {
return HANDLE(INVALID_HANDLE_VALUE)
}
@@ -27,17 +27,14 @@ pub fn get_file_handle(path string) HANDLE {
// get_module_filename retrieves the fully qualified path for the file that contains the specified module.
// The module must have been loaded by the current process.
pub fn get_module_filename(handle HANDLE) ?string {
mut sz := int(1024) // Optimized length
mut buf := [byte(0); sz] // Not work for GetModuleFileNameW :(
mut sz := int(4096) // Optimized length
mut buf := &u16(malloc(4096))
for {
status := C.GetModuleFileName(handle, &buf, sz)
switch status {
case SUCCESS:
_filename := tos(buf.data, sz)
_filename := string_from_wide2(buf, sz)
return _filename
case ERROR_INSUFFICIENT_BUFFER:
sz += 1024 // increment buffer cluster by 1024
buf = [byte(0); sz] // clear buffer
default:
// Must handled with GetLastError and converted by FormatMessage
return error('Cannot get file name from handle.')