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Reorder functions alphabetically

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This commit is contained in:
Peter Limkilde Svendsen
2025-02-01 17:34:20 +01:00
parent bfde89c7cc
commit 5116c80d2f
1 changed files with 76 additions and 76 deletions
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src/header/unistd/mod.rs
+76 -76
View File
@@ -109,6 +109,15 @@ pub unsafe extern "C" fn chdir(path: *const c_char) -> c_int {
Sys::chdir(path).map(|()| 0).or_minus_one_errno()
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/chown.html>.
#[no_mangle]
pub unsafe extern "C" fn chown(path: *const c_char, owner: uid_t, group: gid_t) -> c_int {
let path = CStr::from_ptr(path);
Sys::chown(path, owner, group)
.map(|()| 0)
.or_minus_one_errno()
}
/// See <https://pubs.opengroup.org/onlinepubs/7908799/xsh/chroot.html>.
///
/// # Deprecation
@@ -123,23 +132,6 @@ pub unsafe extern "C" fn chroot(path: *const c_char) -> c_int {
-1
}
#[no_mangle]
pub unsafe extern "C" fn set_default_scheme(scheme: *const c_char) -> c_int {
let scheme = CStr::from_ptr(scheme);
Sys::set_default_scheme(scheme)
.map(|_| 0)
.or_minus_one_errno()
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/chown.html>.
#[no_mangle]
pub unsafe extern "C" fn chown(path: *const c_char, owner: uid_t, group: gid_t) -> c_int {
let path = CStr::from_ptr(path);
Sys::chown(path, owner, group)
.map(|()| 0)
.or_minus_one_errno()
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/close.html>.
#[no_mangle]
pub extern "C" fn close(fildes: c_int) -> c_int {
@@ -217,51 +209,6 @@ pub extern "C" fn encrypt(block: [c_char; 64], edflag: c_int) {
unimplemented!();
}
unsafe fn with_argv(
mut va: VaListImpl,
arg0: *const c_char,
f: impl FnOnce(&[*const c_char], VaListImpl) -> c_int,
) -> c_int {
let argc = 1 + va.with_copy(|mut copy| {
core::iter::from_fn(|| Some(copy.arg::<*const c_char>()))
.position(|p| p.is_null())
.unwrap()
});
let mut stack: [MaybeUninit<*const c_char>; 32] = MaybeUninit::uninit_array();
let out = if argc < 32 {
stack.as_mut_slice()
} else if argc < 4096 {
// TODO: Use ARG_MAX, not this hardcoded constant
let ptr = crate::header::stdlib::malloc(argc * mem::size_of::<*const c_char>());
if ptr.is_null() {
platform::ERRNO.set(ENOMEM);
return -1;
}
slice::from_raw_parts_mut(ptr.cast::<MaybeUninit<*const c_char>>(), argc)
} else {
platform::ERRNO.set(E2BIG);
return -1;
};
out[0].write(arg0);
for i in 1..argc {
out[i].write(va.arg::<*const c_char>());
}
out[argc].write(core::ptr::null());
// NULL
va.arg::<*const c_char>();
f(MaybeUninit::slice_assume_init_ref(&*out), va);
// f only returns if it fails
if argc >= 32 {
crate::header::stdlib::free(out.as_mut_ptr().cast());
}
-1
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/exec.html>.
#[no_mangle]
pub unsafe extern "C" fn execl(
@@ -363,6 +310,12 @@ pub unsafe extern "C" fn execvp(file: *const c_char, argv: *const *mut c_char) -
}
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/fchdir.html>.
#[no_mangle]
pub extern "C" fn fchdir(fildes: c_int) -> c_int {
Sys::fchdir(fildes).map(|()| 0).or_minus_one_errno()
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/fchown.html>.
#[no_mangle]
pub extern "C" fn fchown(fildes: c_int, owner: uid_t, group: gid_t) -> c_int {
@@ -371,12 +324,6 @@ pub extern "C" fn fchown(fildes: c_int, owner: uid_t, group: gid_t) -> c_int {
.or_minus_one_errno()
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/fchdir.html>.
#[no_mangle]
pub extern "C" fn fchdir(fildes: c_int) -> c_int {
Sys::fchdir(fildes).map(|()| 0).or_minus_one_errno()
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/fdatasync.html>.
#[no_mangle]
pub extern "C" fn fdatasync(fildes: c_int) -> c_int {
@@ -810,6 +757,14 @@ pub unsafe extern "C" fn rmdir(path: *const c_char) -> c_int {
Sys::rmdir(path).map(|()| 0).or_minus_one_errno()
}
#[no_mangle]
pub unsafe extern "C" fn set_default_scheme(scheme: *const c_char) -> c_int {
let scheme = CStr::from_ptr(scheme);
Sys::set_default_scheme(scheme)
.map(|_| 0)
.or_minus_one_errno()
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/setgid.html>.
#[no_mangle]
pub extern "C" fn setgid(gid: gid_t) -> c_int {
@@ -859,6 +814,14 @@ pub extern "C" fn setresgid(rgid: gid_t, egid: gid_t, sgid: gid_t) -> c_int {
.or_minus_one_errno()
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/setresuid.html>.
#[no_mangle]
pub extern "C" fn setresuid(ruid: uid_t, euid: uid_t, suid: uid_t) -> c_int {
Sys::setresuid(ruid, euid, suid)
.map(|()| 0)
.or_minus_one_errno()
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/setreuid.html>.
#[no_mangle]
pub extern "C" fn setreuid(ruid: uid_t, euid: uid_t) -> c_int {
@@ -881,14 +844,6 @@ pub extern "C" fn setuid(uid: uid_t) -> c_int {
.or_minus_one_errno()
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/setresuid.html>.
#[no_mangle]
pub extern "C" fn setresuid(ruid: uid_t, euid: uid_t, suid: uid_t) -> c_int {
Sys::setresuid(ruid, euid, suid)
.map(|()| 0)
.or_minus_one_errno()
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/sleep.html>.
#[no_mangle]
pub extern "C" fn sleep(seconds: c_uint) -> c_uint {
@@ -1072,6 +1027,51 @@ pub extern "C" fn vfork() -> pid_t {
unimplemented!();
}
unsafe fn with_argv(
mut va: VaListImpl,
arg0: *const c_char,
f: impl FnOnce(&[*const c_char], VaListImpl) -> c_int,
) -> c_int {
let argc = 1 + va.with_copy(|mut copy| {
core::iter::from_fn(|| Some(copy.arg::<*const c_char>()))
.position(|p| p.is_null())
.unwrap()
});
let mut stack: [MaybeUninit<*const c_char>; 32] = MaybeUninit::uninit_array();
let out = if argc < 32 {
stack.as_mut_slice()
} else if argc < 4096 {
// TODO: Use ARG_MAX, not this hardcoded constant
let ptr = crate::header::stdlib::malloc(argc * mem::size_of::<*const c_char>());
if ptr.is_null() {
platform::ERRNO.set(ENOMEM);
return -1;
}
slice::from_raw_parts_mut(ptr.cast::<MaybeUninit<*const c_char>>(), argc)
} else {
platform::ERRNO.set(E2BIG);
return -1;
};
out[0].write(arg0);
for i in 1..argc {
out[i].write(va.arg::<*const c_char>());
}
out[argc].write(core::ptr::null());
// NULL
va.arg::<*const c_char>();
f(MaybeUninit::slice_assume_init_ref(&*out), va);
// f only returns if it fails
if argc >= 32 {
crate::header::stdlib::free(out.as_mut_ptr().cast());
}
-1
}
/// See <https://pubs.opengroup.org/onlinepubs/9799919799/functions/write.html>.
#[no_mangle]
pub unsafe extern "C" fn write(fildes: c_int, buf: *const c_void, nbyte: size_t) -> ssize_t {