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update header spec reference and add spec references to functions

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This commit is contained in:
auronandace
2025-11-29 17:48:56 +00:00
parent 53e89724b7
commit 44cd0971b1
1 changed files with 8 additions and 1 deletions
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src/header/sys_uio/mod.rs
+8 -1
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@@ -1,4 +1,6 @@
//! sys/uio implementation for Redox, following http://pubs.opengroup.org/onlinepubs/007904875/basedefs/sys/uio.h.html
//! `sys/uio.h` implementation.
//!
//! See <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/sys_uio.h.html>.
use alloc::vec::Vec;
use core::slice;
@@ -10,6 +12,7 @@ use crate::{
pub const IOV_MAX: c_int = 1024;
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/sys_uio.h.html>.
#[repr(C)]
#[derive(Debug, CheckVsLibcCrate)]
pub struct iovec {
@@ -40,6 +43,7 @@ unsafe fn scatter(iovs: &[iovec], vec: Vec<u8>) {
}
}
/// Non-POSIX, see <https://man7.org/linux/man-pages/man2/readv.2.html>.
#[unsafe(no_mangle)]
pub unsafe extern "C" fn preadv(
fd: c_int,
@@ -62,6 +66,7 @@ pub unsafe extern "C" fn preadv(
ret
}
/// Non-POSIX, see <https://man7.org/linux/man-pages/man2/readv.2.html>.
#[unsafe(no_mangle)]
pub unsafe extern "C" fn pwritev(
fd: c_int,
@@ -80,6 +85,7 @@ pub unsafe extern "C" fn pwritev(
unistd::pwrite(fd, vec.as_ptr() as *const c_void, vec.len(), offset)
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/readv.html>.
#[unsafe(no_mangle)]
pub unsafe extern "C" fn readv(fd: c_int, iov: *const iovec, iovcnt: c_int) -> ssize_t {
if iovcnt < 0 || iovcnt > IOV_MAX {
@@ -97,6 +103,7 @@ pub unsafe extern "C" fn readv(fd: c_int, iov: *const iovec, iovcnt: c_int) -> s
ret
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/writev.html>.
#[unsafe(no_mangle)]
pub unsafe extern "C" fn writev(fd: c_int, iov: *const iovec, iovcnt: c_int) -> ssize_t {
if iovcnt < 0 || iovcnt > IOV_MAX {