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Implement fwscanf and similar

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This commit is contained in:
Jeremy Soller
2025-12-19 12:12:16 -07:00
parent 302f4ab2d1
commit 1bbdcc1202
1 changed files with 24 additions and 4 deletions
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src/header/wchar/mod.rs
+24 -4
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@@ -163,6 +163,16 @@ pub unsafe extern "C" fn fwide(stream: *mut FILE, mode: c_int) -> c_int {
(*stream).try_set_orientation(mode)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/fwscanf.html>.
#[unsafe(no_mangle)]
pub unsafe extern "C" fn fwscanf(
stream: *mut FILE,
format: *const wchar_t,
mut __valist: ...
) -> c_int {
vfwscanf(stream, format, __valist.as_va_list())
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/getwc.html>.
#[unsafe(no_mangle)]
pub unsafe extern "C" fn getwc(stream: *mut FILE) -> wint_t {
@@ -1078,8 +1088,12 @@ pub unsafe extern "C" fn wmemset(ws: *mut wchar_t, wc: wchar_t, n: size_t) -> *m
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/vfwscanf.html>.
#[unsafe(no_mangle)]
pub unsafe extern "C" fn vwscanf(format: *const wchar_t, __valist: va_list) -> c_int {
let mut file = (*stdin).lock();
pub unsafe extern "C" fn vfwscanf(
stream: *mut FILE,
format: *const wchar_t,
__valist: va_list,
) -> c_int {
let mut file = (*stream).lock();
if let Err(_) = file.try_set_byte_orientation_unlocked() {
return -1;
}
@@ -1089,10 +1103,16 @@ pub unsafe extern "C" fn vwscanf(format: *const wchar_t, __valist: va_list) -> c
wscanf::scanf(reader, format, __valist)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/fwscanf.html>.
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/vwscanf.html>.
#[unsafe(no_mangle)]
pub unsafe extern "C" fn vwscanf(format: *const wchar_t, __valist: va_list) -> c_int {
vfwscanf(stdin, format, __valist)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/wscanf.html>.
#[unsafe(no_mangle)]
pub unsafe extern "C" fn wscanf(format: *const wchar_t, mut __valist: ...) -> c_int {
vwscanf(format, __valist.as_va_list())
vfwscanf(stdin, format, __valist.as_va_list())
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/wcscasecmp.html>.