libc/
lib.rs

1//! libc - Raw FFI bindings to platforms' system libraries
2#![crate_name = "libc"]
3#![crate_type = "rlib"]
4#![allow(
5    renamed_and_removed_lints, // Keep this order.
6    unknown_lints, // Keep this order.
7    bad_style,
8    overflowing_literals,
9    improper_ctypes,
10    // This lint is renamed but we run CI for old stable rustc so should be here.
11    redundant_semicolon,
12    redundant_semicolons,
13    unused_macros,
14    unused_macro_rules,
15    // FIXME: temporarily allow dead_code to fix CI:
16    // - https://github.com/rust-lang/libc/issues/3740
17    // - https://github.com/rust-lang/rust/pull/126456
18    dead_code,
19)]
20#![cfg_attr(libc_deny_warnings, deny(warnings))]
21// Attributes needed when building as part of the standard library
22#![cfg_attr(feature = "rustc-dep-of-std", feature(link_cfg, no_core))]
23#![cfg_attr(libc_thread_local, feature(thread_local))]
24#![cfg_attr(feature = "rustc-dep-of-std", allow(internal_features))]
25// DIFF(1.0): The thread local references that raise this lint were removed in 1.0
26#![cfg_attr(feature = "rustc-dep-of-std", allow(static_mut_refs))]
27// Enable extra lints:
28#![cfg_attr(feature = "extra_traits", deny(missing_debug_implementations))]
29#![deny(missing_copy_implementations, safe_packed_borrows)]
30#![cfg_attr(not(feature = "rustc-dep-of-std"), no_std)]
31#![cfg_attr(feature = "rustc-dep-of-std", no_core)]
32
33#[macro_use]
34mod macros;
35
36cfg_if! {
37    if #[cfg(feature = "rustc-dep-of-std")] {
38        extern crate rustc_std_workspace_core as core;
39    }
40}
41
42pub use core::ffi::c_void;
43
44/// Type definitions that are coupled tighter to architecture than OS.
45mod arch {
46    cfg_if! {
47        // This configuration comes from `rust-lang/rust` in `library/core/src/ffi/mod.rs`.
48        if #[cfg(all(
49            not(windows),
50            // FIXME(ctest): just use `target_vendor` = "apple"` once `ctest` supports it
51            not(any(
52                target_os = "macos",
53                target_os = "ios",
54                target_os = "tvos",
55                target_os = "watchos",
56                target_os = "visionos",
57            )),
58            any(
59                target_arch = "aarch64",
60                target_arch = "arm",
61                target_arch = "csky",
62                target_arch = "hexagon",
63                target_arch = "msp430",
64                target_arch = "powerpc",
65                target_arch = "powerpc64",
66                target_arch = "riscv64",
67                target_arch = "riscv32",
68                target_arch = "s390x",
69                target_arch = "xtensa",
70            )
71        ))] {
72            // To be reexported as `c_char`
73            // FIXME(ctest): just name these `c_char` once `ctest` learns that these don't get
74            // exported.
75            pub type c_char_def = u8;
76        } else {
77            pub type c_char_def = i8;
78        }
79    }
80}
81
82cfg_if! {
83    if #[cfg(windows)] {
84        mod fixed_width_ints;
85        pub use crate::fixed_width_ints::*;
86
87        mod windows;
88        pub use crate::windows::*;
89
90        prelude!();
91    } else if #[cfg(target_os = "fuchsia")] {
92        mod fixed_width_ints;
93        pub use crate::fixed_width_ints::*;
94
95        mod fuchsia;
96        pub use crate::fuchsia::*;
97
98        prelude!();
99    } else if #[cfg(target_os = "switch")] {
100        mod fixed_width_ints;
101        pub use fixed_width_ints::*;
102
103        mod switch;
104        pub use switch::*;
105
106        prelude!();
107    } else if #[cfg(target_os = "psp")] {
108        mod fixed_width_ints;
109        pub use crate::fixed_width_ints::*;
110
111        mod psp;
112        pub use crate::psp::*;
113
114        prelude!();
115    } else if #[cfg(target_os = "vxworks")] {
116        mod fixed_width_ints;
117        pub use crate::fixed_width_ints::*;
118
119        mod vxworks;
120        pub use crate::vxworks::*;
121
122        prelude!();
123    } else if #[cfg(target_os = "solid_asp3")] {
124        mod fixed_width_ints;
125        pub use crate::fixed_width_ints::*;
126
127        mod solid;
128        pub use crate::solid::*;
129
130        prelude!();
131    } else if #[cfg(unix)] {
132        mod fixed_width_ints;
133        pub use crate::fixed_width_ints::*;
134
135        mod unix;
136        pub use crate::unix::*;
137
138        prelude!();
139    } else if #[cfg(target_os = "hermit")] {
140        mod fixed_width_ints;
141        pub use crate::fixed_width_ints::*;
142
143        mod hermit;
144        pub use crate::hermit::*;
145
146        prelude!();
147    } else if #[cfg(target_os = "teeos")] {
148        mod fixed_width_ints;
149        pub use fixed_width_ints::*;
150
151        mod teeos;
152        pub use teeos::*;
153
154        prelude!();
155    } else if #[cfg(target_os = "trusty")] {
156        mod fixed_width_ints;
157        pub use crate::fixed_width_ints::*;
158
159        mod trusty;
160        pub use crate::trusty::*;
161
162        prelude!();
163    } else if #[cfg(all(target_env = "sgx", target_vendor = "fortanix"))] {
164        mod fixed_width_ints;
165        pub use crate::fixed_width_ints::*;
166
167        mod sgx;
168        pub use crate::sgx::*;
169
170        prelude!();
171    } else if #[cfg(any(target_env = "wasi", target_os = "wasi"))] {
172        mod fixed_width_ints;
173        pub use crate::fixed_width_ints::*;
174
175        mod wasi;
176        pub use crate::wasi::*;
177
178        prelude!();
179    } else if #[cfg(target_os = "xous")] {
180        mod fixed_width_ints;
181        pub use crate::fixed_width_ints::*;
182
183        mod xous;
184        pub use crate::xous::*;
185
186        prelude!();
187    } else {
188        // non-supported targets: empty...
189    }
190}
libc/lib.rs

libc/
lib.rs
