Large reorganization of headers (WIP)

src/header/fenv/cbindgen.toml

@@ -0,0 +1,7 @@
+sys_includes = ["stdint.h", "sys/types.h"]
+include_guard = "_FENV_H"
+language = "C"
+style = "Tag"
+
+[enum]
+prefix_with_name = true

src/header/fenv/mod.rs

@@ -0,0 +1,70 @@
+//! fenv.h implementation for Redox, following
+//! http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/fenv.h.html
+
+use platform;
+use platform::types::*;
+
+pub const FE_ALL_EXCEPT: c_int = 0;
+pub const FE_TONEAREST: c_int = 0;
+
+pub type fexcept_t = u64;
+
+#[repr(C)]
+pub struct fenv_t {
+    pub cw: u64,
+}
+
+// #[no_mangle]
+pub unsafe extern "C" fn feclearexcept(excepts: c_int) -> c_int {
+    unimplemented!();
+}
+
+// #[no_mangle]
+pub unsafe extern "C" fn fegenenv(envp: *mut fenv_t) -> c_int {
+    unimplemented!();
+}
+
+// #[no_mangle]
+pub unsafe extern "C" fn fegetexceptflag(flagp: *mut fexcept_t, excepts: c_int) -> c_int {
+    unimplemented!();
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn fegetround() -> c_int {
+    FE_TONEAREST
+}
+
+// #[no_mangle]
+pub unsafe extern "C" fn feholdexcept(envp: *mut fenv_t) -> c_int {
+    unimplemented!();
+}
+
+// #[no_mangle]
+pub unsafe extern "C" fn feraiseexcept(except: c_int) -> c_int {
+    unimplemented!();
+}
+
+// #[no_mangle]
+pub unsafe extern "C" fn fesetenv(envp: *const fenv_t) -> c_int {
+    unimplemented!();
+}
+
+// #[no_mangle]
+pub unsafe extern "C" fn fesetexceptflag(flagp: *const fexcept_t, excepts: c_int) -> c_int {
+    unimplemented!();
+}
+
+// #[no_mangle]
+pub unsafe extern "C" fn fesetround(round: c_int) -> c_int {
+    unimplemented!();
+}
+
+// #[no_mangle]
+pub unsafe extern "C" fn fetestexcept(excepts: c_int) -> c_int {
+    unimplemented!();
+}
+
+// #[no_mangle]
+pub unsafe extern "C" fn feupdateenv(envp: *const fenv_t) -> c_int {
+    unimplemented!();
+}