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windows: read console using ReadFile/ReadConsole (#3387)

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vitalyster
2020-01-10 16:06:40 +03:00
committed by Alexander Medvednikov
parent 8412c6f03f
commit 66a6fa163e
4 changed files with 24 additions and 38 deletions
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26
vlib/os/os.v
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@@ -646,18 +646,26 @@ pub fn get_raw_line() string {
$if windows {
max_line_chars := 256
buf := malloc(max_line_chars * 2)
h_input := C.GetStdHandle(STD_INPUT_HANDLE)
mut bytes_read := 0
if is_atty(0) > 0 {
h_input := C.GetStdHandle(STD_INPUT_HANDLE)
mut nr_chars := u32(0)
C.ReadConsole(h_input, buf, max_line_chars * 2, voidptr(&nr_chars), 0)
return string_from_wide2(&u16(buf), int(nr_chars))
C.ReadConsole(h_input, buf, max_line_chars * 2, &bytes_read, 0)
return string_from_wide2(&u16(buf), bytes_read)
}
res := C.fgetws(&u16(buf), max_line_chars, C.stdin)
len := C.wcslen(&u16(buf))
if !isnil(res) {
return string_from_wide2(&u16(buf), len)
mut offset := 0
for {
pos := buf + offset
res := C.ReadFile(h_input, pos, 1, &bytes_read, 0)
if !res || bytes_read == 0 {
break
}
if *pos == `\n` || *pos == `\r` {
offset++
break
}
offset++
}
return ''
return string(buf, offset)
} $else {
max := size_t(256)
buf := charptr(malloc(int(max)))