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libc: remove uses of enum as per #4419 #4575

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Merged
merged 1 commit into from
Jul 28, 2025
Merged

libc: remove uses of enum as per #4419 #4575

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30 changes: 22 additions & 8 deletions src/macros.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -223,10 +223,24 @@ macro_rules! e {
///
/// See <https://github.com/rust-lang/libc/issues/4419> for more.
macro_rules! c_enum {
(
($(
$(#[repr($repr:ty)])?
pub enum $ty_name:ident {
$($variant:ident $(= $value:expr)?,)+
}
)+) => {
$(c_enum!(@expand;
$(#[repr($repr)])?
pub enum $ty_name {
$($variant $(= $value)?,)+
}
);)+
};

(@expand;
$(#[repr($repr:ty)])?
enum $ty_name:ident {
$($variant:ident $(= $value:literal)?,)+
pub enum $ty_name:ident {
$($variant:ident $(= $value:expr)?,)+
}
) => {
pub type $ty_name = c_enum!(@ty $($repr)?);
Expand All @@ -237,7 +251,7 @@ macro_rules! c_enum {
(@one; $_ty_name:ident; $_idx:expr;) => {};
(
@one; $ty_name:ident; $default_val:expr;
$variant:ident $(= $value:literal)?,
$variant:ident $(= $value:expr)?,
$($tail:tt)*
) => {
pub const $variant: $ty_name = {
Expand Down Expand Up @@ -379,7 +393,7 @@ mod tests {
fn c_enumbasic() {
// By default, variants get sequential values.
c_enum! {
enum e {
pub enum e {
VAR0,
VAR1,
VAR2,
Expand All @@ -396,7 +410,7 @@ mod tests {
// By default, variants get sequential values.
c_enum! {
#[repr(u16)]
enum e {
pub enum e {
VAR0,
}
}
Expand All @@ -408,7 +422,7 @@ mod tests {
fn c_enumset_value() {
// Setting an explicit value resets the count.
c_enum! {
enum e {
pub enum e {
VAR2 = 2,
VAR3,
VAR4,
Expand All @@ -425,7 +439,7 @@ mod tests {
// C enums always take one more than the previous value, unless set to a specific
// value. Duplicates are allowed.
c_enum! {
enum e {
pub enum e {
VAR0,
VAR2_0 = 2,
VAR3_0,
Expand Down
3 changes: 2 additions & 1 deletion src/unix/aix/mod.rs
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Expand Up @@ -58,7 +58,7 @@ pub type pthread_barrierattr_t = *mut c_void;
pub type posix_spawn_file_actions_t = *mut c_char;
pub type iconv_t = *mut c_void;

e! {
c_enum! {
#[repr(u32)]
pub enum uio_rw {
UIO_READ = 0,
Expand All @@ -67,6 +67,7 @@ e! {
UIO_WRITE_NO_MOVE,
UIO_PWRITE,
}

#[repr(u32)]
pub enum ACTION {
FIND = 0,
Expand Down
111 changes: 46 additions & 65 deletions src/unix/bsd/apple/mod.rs
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Expand Up @@ -184,71 +184,52 @@ impl Clone for timezone {
}
}

#[cfg_attr(feature = "extra_traits", derive(Debug))]
#[repr(u32)]
pub enum qos_class_t {
QOS_CLASS_USER_INTERACTIVE = 0x21,
QOS_CLASS_USER_INITIATED = 0x19,
QOS_CLASS_DEFAULT = 0x15,
QOS_CLASS_UTILITY = 0x11,
QOS_CLASS_BACKGROUND = 0x09,
QOS_CLASS_UNSPECIFIED = 0x00,
}
impl Copy for qos_class_t {}
impl Clone for qos_class_t {
fn clone(&self) -> qos_class_t {
*self
}
}

#[cfg_attr(feature = "extra_traits", derive(Debug))]
#[repr(u32)]
pub enum sysdir_search_path_directory_t {
SYSDIR_DIRECTORY_APPLICATION = 1,
SYSDIR_DIRECTORY_DEMO_APPLICATION = 2,
SYSDIR_DIRECTORY_DEVELOPER_APPLICATION = 3,
SYSDIR_DIRECTORY_ADMIN_APPLICATION = 4,
SYSDIR_DIRECTORY_LIBRARY = 5,
SYSDIR_DIRECTORY_DEVELOPER = 6,
SYSDIR_DIRECTORY_USER = 7,
SYSDIR_DIRECTORY_DOCUMENTATION = 8,
SYSDIR_DIRECTORY_DOCUMENT = 9,
SYSDIR_DIRECTORY_CORESERVICE = 10,
SYSDIR_DIRECTORY_AUTOSAVED_INFORMATION = 11,
SYSDIR_DIRECTORY_DESKTOP = 12,
SYSDIR_DIRECTORY_CACHES = 13,
SYSDIR_DIRECTORY_APPLICATION_SUPPORT = 14,
SYSDIR_DIRECTORY_DOWNLOADS = 15,
SYSDIR_DIRECTORY_INPUT_METHODS = 16,
SYSDIR_DIRECTORY_MOVIES = 17,
SYSDIR_DIRECTORY_MUSIC = 18,
SYSDIR_DIRECTORY_PICTURES = 19,
SYSDIR_DIRECTORY_PRINTER_DESCRIPTION = 20,
SYSDIR_DIRECTORY_SHARED_PUBLIC = 21,
SYSDIR_DIRECTORY_PREFERENCE_PANES = 22,
SYSDIR_DIRECTORY_ALL_APPLICATIONS = 100,
SYSDIR_DIRECTORY_ALL_LIBRARIES = 101,
}
impl Copy for sysdir_search_path_directory_t {}
impl Clone for sysdir_search_path_directory_t {
fn clone(&self) -> sysdir_search_path_directory_t {
*self
}
}

#[cfg_attr(feature = "extra_traits", derive(Debug))]
#[repr(u32)]
pub enum sysdir_search_path_domain_mask_t {
SYSDIR_DOMAIN_MASK_USER = (1 << 0),
SYSDIR_DOMAIN_MASK_LOCAL = (1 << 1),
SYSDIR_DOMAIN_MASK_NETWORK = (1 << 2),
SYSDIR_DOMAIN_MASK_SYSTEM = (1 << 3),
SYSDIR_DOMAIN_MASK_ALL = 0x0ffff,
}
impl Copy for sysdir_search_path_domain_mask_t {}
impl Clone for sysdir_search_path_domain_mask_t {
fn clone(&self) -> sysdir_search_path_domain_mask_t {
*self
c_enum! {
#[repr(u32)]
pub enum qos_class_t {
QOS_CLASS_USER_INTERACTIVE = 0x21,
QOS_CLASS_USER_INITIATED = 0x19,
QOS_CLASS_DEFAULT = 0x15,
QOS_CLASS_UTILITY = 0x11,
QOS_CLASS_BACKGROUND = 0x09,
QOS_CLASS_UNSPECIFIED = 0x00,
}

#[repr(u32)]
pub enum sysdir_search_path_directory_t {
SYSDIR_DIRECTORY_APPLICATION = 1,
SYSDIR_DIRECTORY_DEMO_APPLICATION = 2,
SYSDIR_DIRECTORY_DEVELOPER_APPLICATION = 3,
SYSDIR_DIRECTORY_ADMIN_APPLICATION = 4,
SYSDIR_DIRECTORY_LIBRARY = 5,
SYSDIR_DIRECTORY_DEVELOPER = 6,
SYSDIR_DIRECTORY_USER = 7,
SYSDIR_DIRECTORY_DOCUMENTATION = 8,
SYSDIR_DIRECTORY_DOCUMENT = 9,
SYSDIR_DIRECTORY_CORESERVICE = 10,
SYSDIR_DIRECTORY_AUTOSAVED_INFORMATION = 11,
SYSDIR_DIRECTORY_DESKTOP = 12,
SYSDIR_DIRECTORY_CACHES = 13,
SYSDIR_DIRECTORY_APPLICATION_SUPPORT = 14,
SYSDIR_DIRECTORY_DOWNLOADS = 15,
SYSDIR_DIRECTORY_INPUT_METHODS = 16,
SYSDIR_DIRECTORY_MOVIES = 17,
SYSDIR_DIRECTORY_MUSIC = 18,
SYSDIR_DIRECTORY_PICTURES = 19,
SYSDIR_DIRECTORY_PRINTER_DESCRIPTION = 20,
SYSDIR_DIRECTORY_SHARED_PUBLIC = 21,
SYSDIR_DIRECTORY_PREFERENCE_PANES = 22,
SYSDIR_DIRECTORY_ALL_APPLICATIONS = 100,
SYSDIR_DIRECTORY_ALL_LIBRARIES = 101,
}

#[repr(u32)]
pub enum sysdir_search_path_domain_mask_t {
SYSDIR_DOMAIN_MASK_USER = 1 << 0,
SYSDIR_DOMAIN_MASK_LOCAL = 1 << 1,
SYSDIR_DOMAIN_MASK_NETWORK = 1 << 2,
SYSDIR_DOMAIN_MASK_SYSTEM = 1 << 3,
SYSDIR_DOMAIN_MASK_ALL = 0x0ffff,
}
}

Expand Down
2 changes: 1 addition & 1 deletion src/unix/bsd/freebsdlike/dragonfly/mod.rs
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Expand Up @@ -54,7 +54,7 @@ impl Clone for sem {
}
}

e! {
c_enum! {
#[repr(u32)]
pub enum lwpstat {
LSRUN = 1,
Expand Down
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