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Fix os.args on Windows #143

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This commit is contained in:
gingerBill
2018-02-22 21:34:09 +00:00
parent d70a555c1c
commit 921f261377
1 changed files with 16 additions and 45 deletions
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core/os_windows.odin
+16 -45
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@@ -262,53 +262,24 @@ current_thread_id :: proc() -> int {
_alloc_command_line_arguments :: proc() -> []string {
alloc_ucs2_to_utf8 :: proc(wstr: ^u16) -> string {
wstr_len := 0;
for (wstr+wstr_len)^ != 0 do wstr_len += 1;
arg_count: i32;
arg_list_ptr := win32.command_line_to_argv_w(win32.get_command_line_w(), &arg_count);
arg_list := make([]string, int(arg_count));
for _, i in arg_list {
wc_str := (arg_list_ptr+i)^;
olen := win32.wide_char_to_multi_byte(win32.CP_UTF8, 0, wc_str, -1,
nil, 0, nil, nil);
len := 2*wstr_len-1;
buf := make([]byte, len+1);
str := mem.slice_ptr(wstr, wstr_len+1);
buf := make([]byte, olen);
n := win32.wide_char_to_multi_byte(win32.CP_UTF8, 0, wc_str, -1,
&buf[0], olen, nil, nil);
if n > 0 {
n -= 1;
}
arg_list[i] = string(buf[..n]);
}
i, j := 0, 0;
for str[j] != 0 {
switch {
case str[j] < 0x80:
if i+1 > len do return "";
buf[i] = byte(str[j]); i += 1;
j += 1;
case str[j] < 0x800:
if i+2 > len do return "";
buf[i] = byte(0xc0 + (str[j]>>6)); i += 1;
buf[i] = byte(0x80 + (str[j]&0x3f)); i += 1;
j += 1;
case 0xd800 <= str[j] && str[j] < 0xdc00:
if i+4 > len do return "";
c := rune((str[j] - 0xd800) << 10) + rune((str[j+1]) - 0xdc00) + 0x10000;
buf[i] = byte(0xf0 + (c >> 18)); i += 1;
buf[i] = byte(0x80 + ((c >> 12) & 0x3f)); i += 1;
buf[i] = byte(0x80 + ((c >> 6) & 0x3f)); i += 1;
buf[i] = byte(0x80 + ((c ) & 0x3f)); i += 1;
j += 2;
case 0xdc00 <= str[j] && str[j] < 0xe000:
return "";
case:
if i+3 > len do return "";
buf[i] = 0xe0 + byte (str[j] >> 12); i += 1;
buf[i] = 0x80 + byte((str[j] >> 6) & 0x3f); i += 1;
buf[i] = 0x80 + byte((str[j] ) & 0x3f); i += 1;
j += 1;
}
}
return string(buf[..i]);
}
arg_count: i32;
arg_list_ptr := win32.command_line_to_argv_w(win32.get_command_line_w(), &arg_count);
arg_list := make([]string, int(arg_count));
for _, i in arg_list do arg_list[i] = alloc_ucs2_to_utf8((arg_list_ptr+i)^);
return arg_list;
return arg_list;
}