Import subrepo libc/:libc at 05a2d197356ef253dfd985166576619ac9b6947f

1 files changed, 279 insertions, 0 deletions

diff --git a/libc/src/lib.rs b/libc/src/lib.rs
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+++ b/libc/src/lib.rs
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+// Copyright 2012-2015 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+//! Crate docs
+
+#![allow(bad_style, overflowing_literals, improper_ctypes)]
+#![crate_type = "rlib"]
+#![crate_name = "libc"]
+#![cfg_attr(dox, feature(no_core, lang_items))]
+#![cfg_attr(dox, no_core)]
+#![doc(html_logo_url = "https://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png",
+       html_favicon_url = "https://doc.rust-lang.org/favicon.ico")]
+
+#![cfg_attr(all(target_os = "linux", target_arch = "x86_64"), doc(
+    html_root_url = "https://doc.rust-lang.org/libc/x86_64-unknown-linux-gnu"
+))]
+#![cfg_attr(all(target_os = "linux", target_arch = "x86"), doc(
+    html_root_url = "https://doc.rust-lang.org/libc/i686-unknown-linux-gnu"
+))]
+#![cfg_attr(all(target_os = "linux", target_arch = "arm"), doc(
+    html_root_url = "https://doc.rust-lang.org/libc/arm-unknown-linux-gnueabihf"
+))]
+#![cfg_attr(all(target_os = "linux", target_arch = "mips"), doc(
+    html_root_url = "https://doc.rust-lang.org/libc/mips-unknown-linux-gnu"
+))]
+#![cfg_attr(all(target_os = "linux", target_arch = "aarch64"), doc(
+    html_root_url = "https://doc.rust-lang.org/libc/aarch64-unknown-linux-gnu"
+))]
+#![cfg_attr(all(target_os = "linux", target_env = "musl"), doc(
+    html_root_url = "https://doc.rust-lang.org/libc/x86_64-unknown-linux-musl"
+))]
+#![cfg_attr(all(target_os = "macos", target_arch = "x86_64"), doc(
+    html_root_url = "https://doc.rust-lang.org/libc/x86_64-apple-darwin"
+))]
+#![cfg_attr(all(target_os = "macos", target_arch = "x86"), doc(
+    html_root_url = "https://doc.rust-lang.org/libc/i686-apple-darwin"
+))]
+#![cfg_attr(all(windows, target_arch = "x86_64", target_env = "gnu"), doc(
+    html_root_url = "https://doc.rust-lang.org/libc/x86_64-pc-windows-gnu"
+))]
+#![cfg_attr(all(windows, target_arch = "x86", target_env = "gnu"), doc(
+    html_root_url = "https://doc.rust-lang.org/libc/i686-pc-windows-gnu"
+))]
+#![cfg_attr(all(windows, target_arch = "x86_64", target_env = "msvc"), doc(
+    html_root_url = "https://doc.rust-lang.org/libc/x86_64-pc-windows-msvc"
+))]
+#![cfg_attr(all(windows, target_arch = "x86", target_env = "msvc"), doc(
+    html_root_url = "https://doc.rust-lang.org/libc/i686-pc-windows-msvc"
+))]
+#![cfg_attr(target_os = "android", doc(
+    html_root_url = "https://doc.rust-lang.org/libc/arm-linux-androideabi"
+))]
+#![cfg_attr(target_os = "freebsd", doc(
+    html_root_url = "https://doc.rust-lang.org/libc/x86_64-unknown-freebsd"
+))]
+#![cfg_attr(target_os = "openbsd", doc(
+    html_root_url = "https://doc.rust-lang.org/libc/x86_64-unknown-openbsd"
+))]
+#![cfg_attr(target_os = "bitrig", doc(
+    html_root_url = "https://doc.rust-lang.org/libc/x86_64-unknown-bitrig"
+))]
+#![cfg_attr(target_os = "netbsd", doc(
+    html_root_url = "https://doc.rust-lang.org/libc/x86_64-unknown-netbsd"
+))]
+#![cfg_attr(target_os = "dragonfly", doc(
+    html_root_url = "https://doc.rust-lang.org/libc/x86_64-unknown-dragonfly"
+))]
+
+// Attributes needed when building as part of the standard library
+#![cfg_attr(stdbuild, feature(no_std, core, core_slice_ext, staged_api, custom_attribute, cfg_target_vendor))]
+#![cfg_attr(stdbuild, feature(link_cfg))]
+#![cfg_attr(stdbuild, no_std)]
+#![cfg_attr(stdbuild, staged_api)]
+#![cfg_attr(stdbuild, allow(warnings))]
+#![cfg_attr(stdbuild, unstable(feature = "libc",
+                               reason = "use `libc` from crates.io",
+                               issue = "27783"))]
+
+#![cfg_attr(not(feature = "use_std"), no_std)]
+
+#[cfg(all(not(stdbuild), not(dox), feature = "use_std"))]
+extern crate std as core;
+
+#[macro_use] mod macros;
+mod dox;
+
+// Use repr(u8) as LLVM expects `void*` to be the same as `i8*` to help enable
+// more optimization opportunities around it recognizing things like
+// malloc/free.
+#[repr(u8)]
+pub enum c_void {
+    // Two dummy variants so the #[repr] attribute can be used.
+    #[doc(hidden)]
+    __variant1,
+    #[doc(hidden)]
+    __variant2,
+}
+
+pub type int8_t = i8;
+pub type int16_t = i16;
+pub type int32_t = i32;
+pub type int64_t = i64;
+pub type uint8_t = u8;
+pub type uint16_t = u16;
+pub type uint32_t = u32;
+pub type uint64_t = u64;
+
+pub type c_schar = i8;
+pub type c_uchar = u8;
+pub type c_short = i16;
+pub type c_ushort = u16;
+pub type c_int = i32;
+pub type c_uint = u32;
+pub type c_float = f32;
+pub type c_double = f64;
+pub type c_longlong = i64;
+pub type c_ulonglong = u64;
+pub type intmax_t = i64;
+pub type uintmax_t = u64;
+
+pub type size_t = usize;
+pub type ptrdiff_t = isize;
+pub type intptr_t = isize;
+pub type uintptr_t = usize;
+pub type ssize_t = isize;
+
+pub enum FILE {}
+pub enum fpos_t {} // TODO: fill this out with a struct
+
+extern {
+    pub fn isalnum(c: c_int) -> c_int;
+    pub fn isalpha(c: c_int) -> c_int;
+    pub fn iscntrl(c: c_int) -> c_int;
+    pub fn isdigit(c: c_int) -> c_int;
+    pub fn isgraph(c: c_int) -> c_int;
+    pub fn islower(c: c_int) -> c_int;
+    pub fn isprint(c: c_int) -> c_int;
+    pub fn ispunct(c: c_int) -> c_int;
+    pub fn isspace(c: c_int) -> c_int;
+    pub fn isupper(c: c_int) -> c_int;
+    pub fn isxdigit(c: c_int) -> c_int;
+    pub fn tolower(c: c_int) -> c_int;
+    pub fn toupper(c: c_int) -> c_int;
+
+    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
+               link_name = "fopen$UNIX2003")]
+    pub fn fopen(filename: *const c_char,
+                 mode: *const c_char) -> *mut FILE;
+    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
+               link_name = "freopen$UNIX2003")]
+    pub fn freopen(filename: *const c_char, mode: *const c_char,
+                   file: *mut FILE) -> *mut FILE;
+    pub fn fflush(file: *mut FILE) -> c_int;
+    pub fn fclose(file: *mut FILE) -> c_int;
+    pub fn remove(filename: *const c_char) -> c_int;
+    pub fn rename(oldname: *const c_char, newname: *const c_char) -> c_int;
+    pub fn tmpfile() -> *mut FILE;
+    pub fn setvbuf(stream: *mut FILE,
+                   buffer: *mut c_char,
+                   mode: c_int,
+                   size: size_t) -> c_int;
+    pub fn setbuf(stream: *mut FILE, buf: *mut c_char);
+    pub fn getchar() -> c_int;
+    pub fn putchar(c: c_int) -> c_int;
+    pub fn fgetc(stream: *mut FILE) -> c_int;
+    pub fn fgets(buf: *mut c_char, n: c_int, stream: *mut FILE) -> *mut c_char;
+    pub fn fputc(c: c_int, stream: *mut FILE) -> c_int;
+    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
+               link_name = "fputs$UNIX2003")]
+    pub fn fputs(s: *const c_char, stream: *mut FILE)-> c_int;
+    pub fn puts(s: *const c_char) -> c_int;
+    pub fn ungetc(c: c_int, stream: *mut FILE) -> c_int;
+    pub fn fread(ptr: *mut c_void,
+                 size: size_t,
+                 nobj: size_t,
+                 stream: *mut FILE)
+                 -> size_t;
+    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
+               link_name = "fwrite$UNIX2003")]
+    pub fn fwrite(ptr: *const c_void,
+                  size: size_t,
+                  nobj: size_t,
+                  stream: *mut FILE)
+                  -> size_t;
+    pub fn fseek(stream: *mut FILE, offset: c_long, whence: c_int) -> c_int;
+    pub fn ftell(stream: *mut FILE) -> c_long;
+    pub fn rewind(stream: *mut FILE);
+    #[cfg_attr(target_os = "netbsd", link_name = "__fgetpos50")]
+    pub fn fgetpos(stream: *mut FILE, ptr: *mut fpos_t) -> c_int;
+    #[cfg_attr(target_os = "netbsd", link_name = "__fsetpos50")]
+    pub fn fsetpos(stream: *mut FILE, ptr: *const fpos_t) -> c_int;
+    pub fn feof(stream: *mut FILE) -> c_int;
+    pub fn ferror(stream: *mut FILE) -> c_int;
+    pub fn perror(s: *const c_char);
+    pub fn atoi(s: *const c_char) -> c_int;
+    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
+               link_name = "strtod$UNIX2003")]
+    pub fn strtod(s: *const c_char, endp: *mut *mut c_char) -> c_double;
+    pub fn strtol(s: *const c_char,
+                  endp: *mut *mut c_char, base: c_int) -> c_long;
+    pub fn strtoul(s: *const c_char, endp: *mut *mut c_char,
+                   base: c_int) -> c_ulong;
+    pub fn calloc(nobj: size_t, size: size_t) -> *mut c_void;
+    pub fn malloc(size: size_t) -> *mut c_void;
+    pub fn realloc(p: *mut c_void, size: size_t) -> *mut c_void;
+    pub fn free(p: *mut c_void);
+    pub fn abort() -> !;
+    pub fn exit(status: c_int) -> !;
+    pub fn _exit(status: c_int) -> !;
+    pub fn atexit(cb: extern fn()) -> c_int;
+    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
+               link_name = "system$UNIX2003")]
+    pub fn system(s: *const c_char) -> c_int;
+    pub fn getenv(s: *const c_char) -> *mut c_char;
+
+    pub fn strcpy(dst: *mut c_char, src: *const c_char) -> *mut c_char;
+    pub fn strncpy(dst: *mut c_char, src: *const c_char, n: size_t)
+                   -> *mut c_char;
+    pub fn strcat(s: *mut c_char, ct: *const c_char) -> *mut c_char;
+    pub fn strncat(s: *mut c_char, ct: *const c_char, n: size_t) -> *mut c_char;
+    pub fn strcmp(cs: *const c_char, ct: *const c_char) -> c_int;
+    pub fn strncmp(cs: *const c_char, ct: *const c_char, n: size_t) -> c_int;
+    pub fn strcoll(cs: *const c_char, ct: *const c_char) -> c_int;
+    pub fn strchr(cs: *const c_char, c: c_int) -> *mut c_char;
+    pub fn strrchr(cs: *const c_char, c: c_int) -> *mut c_char;
+    pub fn strspn(cs: *const c_char, ct: *const c_char) -> size_t;
+    pub fn strcspn(cs: *const c_char, ct: *const c_char) -> size_t;
+    pub fn strdup(cs: *const c_char) -> *mut c_char;
+    pub fn strpbrk(cs: *const c_char, ct: *const c_char) -> *mut c_char;
+    pub fn strstr(cs: *const c_char, ct: *const c_char) -> *mut c_char;
+    pub fn strlen(cs: *const c_char) -> size_t;
+    pub fn strnlen(cs: *const c_char, maxlen: size_t) -> size_t;
+    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
+               link_name = "strerror$UNIX2003")]
+    pub fn strerror(n: c_int) -> *mut c_char;
+    pub fn strtok(s: *mut c_char, t: *const c_char) -> *mut c_char;
+    pub fn strxfrm(s: *mut c_char, ct: *const c_char, n: size_t) -> size_t;
+    pub fn wcslen(buf: *const wchar_t) -> size_t;
+    pub fn wcstombs(dest: *mut c_char, src: *const wchar_t, n: size_t) -> ::size_t;
+
+    pub fn memchr(cx: *const c_void, c: c_int, n: size_t) -> *mut c_void;
+    pub fn memcmp(cx: *const c_void, ct: *const c_void, n: size_t) -> c_int;
+    pub fn memcpy(dest: *mut c_void, src: *const c_void, n: size_t) -> *mut c_void;
+    pub fn memmove(dest: *mut c_void, src: *const c_void, n: size_t) -> *mut c_void;
+    pub fn memset(dest: *mut c_void, c: c_int, n: size_t) -> *mut c_void;
+}
+
+// These are all inline functions on android, so they end up just being entirely
+// missing on that platform.
+#[cfg(not(target_os = "android"))]
+extern {
+    pub fn abs(i: c_int) -> c_int;
+    pub fn atof(s: *const c_char) -> c_double;
+    pub fn labs(i: c_long) -> c_long;
+    pub fn rand() -> c_int;
+    pub fn srand(seed: c_uint);
+}
+
+cfg_if! {
+    if #[cfg(windows)] {
+        mod windows;
+        pub use windows::*;
+    } else if #[cfg(target_os = "redox")] {
+        mod redox;
+        pub use redox::*;
+    } else if #[cfg(unix)] {
+        mod unix;
+        pub use unix::*;
+    } else {
+        // Unknown target_family
+    }
+}