core: Clean up comments and exports

6 files changed, 135 insertions, 38 deletions

diff --git a/src/libcore/libc.rs b/src/libcore/libc.rs
index 56774e3f770..c1ce3c72a30 100644
--- a/src/libcore/libc.rs
+++ b/src/libcore/libc.rs
@@ -1,36 +1,38 @@
-//
-// We consider the following specs reasonably normative with respect
-// to interoperating with the C standard library (libc/msvcrt):
-//
-//   - ISO 9899:1990 ('C95', 'ANSI C', 'Standard C'), NA1, 1995.
-//   - ISO 9899:1999 ('C99' or 'C9x').
-//   - ISO 9945:1988 / IEEE 1003.1-1988 ('POSIX.1').
-//   - ISO 9945:2001 / IEEE 1003.1-2001 ('POSIX:2001', 'SUSv3').
-//   - ISO 9945:2008 / IEEE 1003.1-2008 ('POSIX:2008', 'SUSv4').
-//
-// Despite having several names each, these are *reasonably* coherent
-// point-in-time, list-of-definition sorts of specs. You can get each under a
-// variety of names but will wind up with the same definition in each case.
-//
-// Our interface to these libraries is complicated by the non-universality of
-// conformance to any of them. About the only thing universally supported is
-// the first (C95), beyond that definitions quickly become absent on various
-// platforms.
-//
-// We therefore wind up dividing our module-space up (mostly for the sake of
-// sanity while editing, filling-in-details and eliminating duplication) into
-// definitions common-to-all (held in modules named c95, c99, posix88, posix01
-// and posix08) and definitions that appear only on *some* platforms (named
-// 'extra'). This would be things like significant OSX foundation kit, or
-// win32 library kernel32.dll, or various fancy glibc, linux or BSD
-// extensions.
-//
-// In addition to the per-platform 'extra' modules, we define a module of
-// "common BSD" libc routines that never quite made it into POSIX but show up
-// in multiple derived systems. This is the 4.4BSD r2 / 1995 release, the
-// final one from Berkeley after the lawsuits died down and the CSRG
-// dissolved.
-//
+#[doc = "
+Bindings for libc.
+
+We consider the following specs reasonably normative with respect
+to interoperating with the C standard library (libc/msvcrt):
+
+* ISO 9899:1990 ('C95', 'ANSI C', 'Standard C'), NA1, 1995.
+* ISO 9899:1999 ('C99' or 'C9x').
+* ISO 9945:1988 / IEEE 1003.1-1988 ('POSIX.1').
+* ISO 9945:2001 / IEEE 1003.1-2001 ('POSIX:2001', 'SUSv3').
+* ISO 9945:2008 / IEEE 1003.1-2008 ('POSIX:2008', 'SUSv4').
+
+Despite having several names each, these are *reasonably* coherent
+point-in-time, list-of-definition sorts of specs. You can get each under a
+variety of names but will wind up with the same definition in each case.
+
+Our interface to these libraries is complicated by the non-universality of
+conformance to any of them. About the only thing universally supported is
+the first (C95), beyond that definitions quickly become absent on various
+platforms.
+
+We therefore wind up dividing our module-space up (mostly for the sake of
+sanity while editing, filling-in-details and eliminating duplication) into
+definitions common-to-all (held in modules named c95, c99, posix88, posix01
+and posix08) and definitions that appear only on *some* platforms (named
+'extra'). This would be things like significant OSX foundation kit, or
+win32 library kernel32.dll, or various fancy glibc, linux or BSD
+extensions.
+
+In addition to the per-platform 'extra' modules, we define a module of
+'common BSD' libc routines that never quite made it into POSIX but show up
+in multiple derived systems. This is the 4.4BSD r2 / 1995 release, the
+final one from Berkeley after the lawsuits died down and the CSRG
+dissolved.
+"];
 
 // Initial glob-exports mean that all the contents of all the modules
 // wind up exported, if you're interested in writing platform-specific code.
diff --git a/src/libcore/ptr.rs b/src/libcore/ptr.rs
index 9377940243d..8206cdd45f7 100644
--- a/src/libcore/ptr.rs
+++ b/src/libcore/ptr.rs
@@ -1,4 +1,13 @@
-#[doc = "Unsafe pointer utility functions"]
+#[doc = "Unsafe pointer utility functions"];
+
+export addr_of;
+export mut_addr_of;
+export offset;
+export mut_offset;
+export null;
+export memcpy;
+export memmove;
+
 
 #[abi = "rust-intrinsic"]
 native mod rusti {
diff --git a/src/libcore/sys.rs b/src/libcore/sys.rs
index b05022c1985..fc166df7fd4 100644
--- a/src/libcore/sys.rs
+++ b/src/libcore/sys.rs
@@ -1,4 +1,13 @@
-#[doc = "Misc low level stuff"]
+#[doc = "Misc low level stuff"];
+
+export type_desc;
+export get_type_desc;
+export last_os_error;
+export size_of;
+export align_of;
+export refcount;
+export log_str;
+export set_exit_status;
 
 enum type_desc = {
     first_param: **ctypes::c_int,
diff --git a/src/libcore/vec.rs b/src/libcore/vec.rs
index e5bc29b5295..50c16a217b1 100644
--- a/src/libcore/vec.rs
+++ b/src/libcore/vec.rs
@@ -2,6 +2,77 @@ import option::{some, none};
 import uint::next_power_of_two;
 import ptr::addr_of;
 
+export init_op;
+export is_empty;
+export is_not_empty;
+export same_length;
+export reserve;
+export len;
+export init_fn;
+export init_elt;
+export to_mut;
+export from_mut;
+export head;
+export tail;
+export tail_n;
+export init;
+export last;
+export last_opt;
+export slice;
+export split;
+export splitn;
+export rsplit;
+export rsplitn;
+export shift;
+export pop;
+export push;
+export grow;
+export grow_fn;
+export grow_set;
+export map;
+export map2;
+export filter_map;
+export filter;
+export concat;
+export connect;
+export foldl;
+export foldr;
+export any;
+export any2;
+export all;
+export all2;
+export contains;
+export count;
+export find;
+export find_from;
+export rfind;
+export rfind_from;
+export position_elt;
+export position;
+export position_from;
+export position_elt;
+export rposition;
+export rposition_from;
+export unzip;
+export zip;
+export swap;
+export reverse;
+export reversed;
+export enum_chars;
+export enum_uints;
+export iter;
+export iter2;
+export iteri;
+export riter;
+export riteri;
+export permute;
+export windowed;
+export as_buf;
+export as_mut_buf;
+export vec_len;
+export unsafe;
+export u8;
+
 #[abi = "rust-intrinsic"]
 native mod rusti {
     fn vec_len<T>(&&v: [const T]) -> ctypes::size_t;
@@ -808,6 +879,7 @@ impl vec_len<T> for [T] {
 }
 
 mod unsafe {
+    // FIXME: This should have crate visibility
     type vec_repr = {mutable fill: uint, mutable alloc: uint, data: u8};
 
     #[doc = "
diff --git a/src/test/auxiliary/native_lib.rs b/src/test/auxiliary/native_lib.rs
new file mode 100644
index 00000000000..56d5f7f052a
--- /dev/null
+++ b/src/test/auxiliary/native_lib.rs
@@ -0,0 +1,3 @@
+native mod rustrt {
+    fn last_os_error() -> str;
+}
\ No newline at end of file
diff --git a/src/test/run-pass/invoke-external-native.rs b/src/test/run-pass/invoke-external-native.rs
index d337f3c0942..6f6e4534313 100644
--- a/src/test/run-pass/invoke-external-native.rs
+++ b/src/test/run-pass/invoke-external-native.rs
@@ -1,10 +1,12 @@
-use std;
-import sys;
+// xfail-fast
+// aux-build:native_lib.rs
 
 // The purpose of this test is to check that we can
 // successfully (and safely) invoke external, cdecl
 // functions from outside the crate.
 
+use native_lib;
+
 fn main() {
-    let foo = sys::rustrt::last_os_error();
+    let foo = native_lib::rustrt::last_os_error();
 }