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comparison libpam-sys/libpam-sys-helpers/src/constants.rs @ 138:999bf07efbcb

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Get rid of num_enum dependency in `libpam-sys-helpers`. Build times now fast!
author Paul Fisher <paul@pfish.zone>
date Thu, 03 Jul 2025 20:55:40 -0400
parents 88627c057709
children
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137:88627c057709 138:999bf07efbcb
2 //! 2 //!
3 //! These constants are tested on a per-platform basis by `libpam-sys-test`'s 3 //! These constants are tested on a per-platform basis by `libpam-sys-test`'s
4 //! `test_constants.rs`. 4 //! `test_constants.rs`.
5 5
6 #![allow(non_camel_case_types)] 6 #![allow(non_camel_case_types)]
7 #![allow(unused_imports)]
8 use num_enum::{IntoPrimitive, TryFromPrimitive};
9 7
10 /// Macro to make defining a bunch of constants way easier. 8 /// Macro to make defining a bunch of constants way easier.
11 macro_rules! define { 9 macro_rules! define {
12 ($(#[$attr:meta])* $($name:ident = $value:expr);+$(;)?) => { 10 ($(#[$attr:meta])* $($name:ident = $value:expr);+$(;)?) => {
13 define!( 11 define!(
74 72
75 #[cfg(pam_impl = "LinuxPam")] 73 #[cfg(pam_impl = "LinuxPam")]
76 pub use linux_pam::*; 74 pub use linux_pam::*;
77 #[cfg(pam_impl = "LinuxPam")] 75 #[cfg(pam_impl = "LinuxPam")]
78 mod linux_pam { 76 mod linux_pam {
79 use super::{IntoPrimitive, TryFromPrimitive};
80 c_enum!( 77 c_enum!(
81 /// An error return code. 78 /// An error return code.
82 PAM_OPEN_ERR = 1, 79 PAM_OPEN_ERR = 1,
83 PAM_SYMBOL_ERR, 80 PAM_SYMBOL_ERR,
84 PAM_SERVICE_ERR, 81 PAM_SERVICE_ERR,
147 PAM_BINARY_PROMPT = 7; 144 PAM_BINARY_PROMPT = 7;
148 ); 145 );
149 146
150 pub const PAM_MODUTIL_NGROUPS: i32 = 64; 147 pub const PAM_MODUTIL_NGROUPS: i32 = 64;
151 148
152 #[derive(Copy, Clone, Debug, PartialEq, Eq, TryFromPrimitive, IntoPrimitive)] 149 #[derive(Copy, Clone, Debug, PartialEq, Eq)]
153 #[repr(i32)] 150 #[repr(i32)]
154 pub enum pam_modutil_redirect_fd { 151 pub enum pam_modutil_redirect_fd {
155 PAM_MODUTIL_IGNORE_FD, 152 PAM_MODUTIL_IGNORE_FD,
156 PAM_MODUTIL_PIPE_FD, 153 PAM_MODUTIL_PIPE_FD,
157 PAM_MODUTIL_NULL_FD, 154 PAM_MODUTIL_NULL_FD,
155 }
156
157 impl From<pam_modutil_redirect_fd> for i32 {
158 fn from(value: pam_modutil_redirect_fd) -> Self {
159 value as Self
160 }
161 }
162
163 impl TryFrom<i32> for pam_modutil_redirect_fd {
164 type Error = i32;
165 fn try_from(value: i32) -> Result<Self, Self::Error> {
166 match value {
167 0..=2 => Ok(unsafe { *(&value as *const i32).cast() }),
168 other => Err(other),
169 }
170 }
158 } 171 }
159 172
160 pub use pam_modutil_redirect_fd::*; 173 pub use pam_modutil_redirect_fd::*;
161 } 174 }
162 175