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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:25 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:25 +0000 |
commit | 5363f350887b1e5b5dd21a86f88c8af9d7fea6da (patch) | |
tree | 35ca005eb6e0e9a1ba3bb5dbc033209ad445dc17 /vendor/windows-sys/src/core | |
parent | Adding debian version 1.66.0+dfsg1-1. (diff) | |
download | rustc-5363f350887b1e5b5dd21a86f88c8af9d7fea6da.tar.xz rustc-5363f350887b1e5b5dd21a86f88c8af9d7fea6da.zip |
Merging upstream version 1.67.1+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/windows-sys/src/core')
-rw-r--r-- | vendor/windows-sys/src/core/literals.rs | 115 | ||||
-rw-r--r-- | vendor/windows-sys/src/core/mod.rs | 12 |
2 files changed, 124 insertions, 3 deletions
diff --git a/vendor/windows-sys/src/core/literals.rs b/vendor/windows-sys/src/core/literals.rs new file mode 100644 index 000000000..a8b3a2f6f --- /dev/null +++ b/vendor/windows-sys/src/core/literals.rs @@ -0,0 +1,115 @@ +/// A literal UTF-8 string with a trailing null terminator. +#[macro_export] +macro_rules! s { + ($s:literal) => { + ::core::concat!($s, '\0').as_ptr() + }; +} + +/// A literal UTF-16 wide string with a trailing null terminator. +#[macro_export] +macro_rules! w { + ($s:literal) => {{ + const INPUT: &[u8] = $s.as_bytes(); + const OUTPUT_LEN: usize = $crate::core::utf16_len(INPUT) + 1; + const OUTPUT: &[u16; OUTPUT_LEN] = { + let mut buffer = [0; OUTPUT_LEN]; + let mut input_pos = 0; + let mut output_pos = 0; + while let Some((mut code_point, new_pos)) = $crate::core::decode_utf8_char(INPUT, input_pos) { + input_pos = new_pos; + if code_point <= 0xffff { + buffer[output_pos] = code_point as u16; + output_pos += 1; + } else { + code_point -= 0x10000; + buffer[output_pos] = 0xd800 + (code_point >> 10) as u16; + output_pos += 1; + buffer[output_pos] = 0xdc00 + (code_point & 0x3ff) as u16; + output_pos += 1; + } + } + &{ buffer } + }; + OUTPUT.as_ptr() + }}; +} + +// Ensures that the macros are exported from the `windows::core` module. +pub use s; +pub use w; + +#[doc(hidden)] +pub const fn decode_utf8_char(bytes: &[u8], mut pos: usize) -> Option<(u32, usize)> { + if bytes.len() == pos { + return None; + } + let ch = bytes[pos] as u32; + pos += 1; + if ch <= 0x7f { + return Some((ch, pos)); + } + if (ch & 0xe0) == 0xc0 { + if bytes.len() - pos < 1 { + return None; + } + let ch2 = bytes[pos] as u32; + pos += 1; + if (ch2 & 0xc0) != 0x80 { + return None; + } + let result: u32 = ((ch & 0x1f) << 6) | (ch2 & 0x3f); + if result <= 0x7f { + return None; + } + return Some((result, pos)); + } + if (ch & 0xf0) == 0xe0 { + if bytes.len() - pos < 2 { + return None; + } + let ch2 = bytes[pos] as u32; + pos += 1; + let ch3 = bytes[pos] as u32; + pos += 1; + if (ch2 & 0xc0) != 0x80 || (ch3 & 0xc0) != 0x80 { + return None; + } + let result = ((ch & 0x0f) << 12) | ((ch2 & 0x3f) << 6) | (ch3 & 0x3f); + if result <= 0x7ff || (0xd800 <= result && result <= 0xdfff) { + return None; + } + return Some((result, pos)); + } + if (ch & 0xf8) == 0xf0 { + if bytes.len() - pos < 3 { + return None; + } + let ch2 = bytes[pos] as u32; + pos += 1; + let ch3 = bytes[pos] as u32; + pos += 1; + let ch4 = bytes[pos] as u32; + pos += 1; + if (ch2 & 0xc0) != 0x80 || (ch3 & 0xc0) != 0x80 || (ch4 & 0xc0) != 0x80 { + return None; + } + let result = ((ch & 0x07) << 18) | ((ch2 & 0x3f) << 12) | ((ch3 & 0x3f) << 6) | (ch4 & 0x3f); + if result <= 0xffff || 0x10ffff < result { + return None; + } + return Some((result, pos)); + } + None +} + +#[doc(hidden)] +pub const fn utf16_len(bytes: &[u8]) -> usize { + let mut pos = 0; + let mut len = 0; + while let Some((code_point, new_pos)) = decode_utf8_char(bytes, pos) { + pos = new_pos; + len += if code_point <= 0xffff { 1 } else { 2 }; + } + len +} diff --git a/vendor/windows-sys/src/core/mod.rs b/vendor/windows-sys/src/core/mod.rs index 3c393147e..ec66a2bb6 100644 --- a/vendor/windows-sys/src/core/mod.rs +++ b/vendor/windows-sys/src/core/mod.rs @@ -1,3 +1,8 @@ +mod literals; + +#[doc(hidden)] +pub use literals::*; + #[repr(C)] pub struct GUID { pub data1: u32, @@ -13,10 +18,11 @@ impl ::core::clone::Clone for GUID { } pub type HRESULT = i32; -pub type HSTRING = *mut core::ffi::c_void; -pub type IUnknown = *mut core::ffi::c_void; -pub type IInspectable = *mut core::ffi::c_void; +pub type HSTRING = *mut ::core::ffi::c_void; +pub type IUnknown = *mut ::core::ffi::c_void; +pub type IInspectable = *mut ::core::ffi::c_void; pub type PSTR = *mut u8; pub type PWSTR = *mut u16; pub type PCSTR = *const u8; pub type PCWSTR = *const u16; +pub type BSTR = *const u16; |