Jeremy Soller
42 lines
1.0 KiB
Rust
42 lines
1.0 KiB
Rust
use crate::{
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header::stdio::{F_NORD, F_NOWR, FILE},
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platform::types::*,
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};
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#[unsafe(no_mangle)]
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pub extern "C" fn __fpending(stream: *mut FILE) -> size_t {
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let stream = unsafe { &mut *stream }.lock();
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stream.writer.pending()
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}
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#[unsafe(no_mangle)]
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pub extern "C" fn __freadable(stream: *mut FILE) -> c_int {
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let stream = unsafe { &mut *stream }.lock();
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(stream.flags & F_NORD == 0) as c_int
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}
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#[unsafe(no_mangle)]
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pub extern "C" fn __fwritable(stream: *mut FILE) -> c_int {
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let stream = unsafe { &mut *stream }.lock();
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(stream.flags & F_NOWR == 0) as c_int
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}
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//TODO: Check last operation when read-write
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#[unsafe(no_mangle)]
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pub extern "C" fn __freading(stream: *mut FILE) -> c_int {
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let stream = unsafe { &mut *stream }.lock();
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(stream.flags & F_NORD == 0) as c_int
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}
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//TODO: Check last operation when read-write
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#[unsafe(no_mangle)]
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pub extern "C" fn __fwriting(stream: *mut FILE) -> c_int {
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let stream = unsafe { &mut *stream }.lock();
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(stream.flags & F_NOWR == 0) as c_int
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}
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