Convert std::generic_os to istrs. Issue #855

src/comp/syntax/ext/env.rs

@@ -5,6 +5,7 @@
  * interface.
  */
 import std::vec;
+import std::istr;
 import std::option;
 import std::generic_os;
 import base::*;
@@ -26,9 +27,11 @@ fn expand_syntax_ext(cx: &ext_ctxt, sp: codemap::span, arg: @ast::expr,
     // option::t<str> rather than just an maybe-empty string.
 
     let var = expr_to_str(cx, args[0], "#env requires a string");
-    alt generic_os::getenv(var) {
+    alt generic_os::getenv(istr::from_estr(var)) {
       option::none. { ret make_new_str(cx, sp, ""); }
-      option::some(s) { ret make_new_str(cx, sp, s); }
+      option::some(s) {
+        ret make_new_str(cx, sp, istr::to_estr(s));
+      }
     }
 }
 

src/lib/generic_os.rs

@@ -3,23 +3,30 @@ import str::sbuf;
 
 #[cfg(target_os = "linux")]
 #[cfg(target_os = "macos")]
-fn getenv(n: str) -> option::t<str> {
+fn getenv(n: &istr) -> option::t<istr> {
+    let n = istr::to_estr(n);
     let s = os::libc::getenv(str::buf(n));
     ret if s as int == 0 {
-            option::none::<str>
-        } else { option::some::<str>(str::str_from_cstr(s)) };
+        option::none::<istr>
+    } else {
+        let s = unsafe::reinterpret_cast(s);
+        option::some::<istr>(istr::str_from_cstr(s))
+    };
 }
 
 #[cfg(target_os = "linux")]
 #[cfg(target_os = "macos")]
-fn setenv(n: str, v: str) {
+fn setenv(n: &istr, v: &istr) {
+    let n = istr::to_estr(n);
+    let v = istr::to_estr(v);
     let nbuf = str::buf(n);
     let vbuf = str::buf(v);
     os::libc::setenv(nbuf, vbuf, 1);
 }
 
 #[cfg(target_os = "win32")]
-fn getenv(n: str) -> option::t<str> {
+fn getenv(n: &istr) -> option::t<istr> {
+    let n = istr::to_estr(n);
     let nbuf = str::buf(n);
     let nsize = 256u;
     while true {
@@ -29,14 +36,17 @@ fn getenv(n: str) -> option::t<str> {
         if res == 0u {
             ret option::none;
         } else if res < nsize {
-            ret option::some(str::str_from_cstr(vbuf));
+            let vbuf = unsafe::reinterpret_cast(vbuf);
+            ret option::some(istr::str_from_cstr(vbuf));
         } else { nsize = res; }
     }
     fail;
 }
 
 #[cfg(target_os = "win32")]
-fn setenv(n: str, v: str) {
+fn setenv(n: &istr, v: &istr) {
+    let n = istr::to_estr(n);
+    let v = istr::to_estr(v);
     let nbuf = str::buf(n);
     let vbuf = str::buf(v);
     os::kernel32::SetEnvironmentVariableA(nbuf, vbuf);

src/lib/term.rs

@@ -49,10 +49,10 @@ fn reset(writer: io::buf_writer) {
 
 fn color_supported() -> bool {
     let supported_terms = [~"xterm-color", ~"xterm", ~"screen-bce"];
-    ret alt generic_os::getenv("TERM") {
+    ret alt generic_os::getenv(~"TERM") {
           option::some(env) {
             for term: istr in supported_terms {
-                if istr::eq(term, istr::from_estr(env)) { ret true; }
+                if istr::eq(term, env) { ret true; }
             }
             false
           }

src/test/compiletest/procsrv.rs

@@ -153,11 +153,11 @@ fn worker(p: port<request>) {
 }
 
 fn with_lib_path<@T>(path: &str, f: fn() -> T) -> T {
-    let maybe_oldpath = getenv(util::lib_path_env_var());
+    let maybe_oldpath = getenv(istr::from_estr(util::lib_path_env_var()));
     append_lib_path(path);
     let res = f();
     if option::is_some(maybe_oldpath) {
-        export_lib_path(option::get(maybe_oldpath));
+        export_lib_path(istr::to_estr(option::get(maybe_oldpath)));
     } else {
         // FIXME: This should really be unset but we don't have that yet
         export_lib_path("");
@@ -167,7 +167,9 @@ fn with_lib_path<@T>(path: &str, f: fn() -> T) -> T {
 
 fn append_lib_path(path: &str) { export_lib_path(util::make_new_path(path)); }
 
-fn export_lib_path(path: &str) { setenv(util::lib_path_env_var(), path); }
+fn export_lib_path(path: &str) {
+    setenv(istr::from_estr(util::lib_path_env_var()), istr::from_estr(path));
+}
 
 fn clone_vecstr(v: &[str]) -> [[u8]] {
     let r = [];

src/test/compiletest/util.rs

@@ -1,6 +1,7 @@
 import std::option;
 import std::generic_os::getenv;
 import std::io;
+import std::istr;
 
 import common::config;
 
@@ -8,8 +9,8 @@ fn make_new_path(path: &str) -> str {
 
     // Windows just uses PATH as the library search path, so we have to
     // maintain the current value while adding our own
-    alt getenv(lib_path_env_var()) {
-      option::some(curr) { #fmt["%s:%s", path, curr] }
+    alt getenv(istr::from_estr(lib_path_env_var())) {
+      option::some(curr) { #fmt["%s:%s", path, istr::to_estr(curr)] }
       option::none. { path }
     }
 }

src/test/stdtest/os.rs

@@ -6,26 +6,26 @@ import std::option;
 fn test_setenv() {
     // NB: Each test of setenv needs to use different variable names or the
     // tests will not be threadsafe
-    setenv("NAME1", "VALUE");
-    assert (getenv("NAME1") == option::some("VALUE"));
+    setenv(~"NAME1", ~"VALUE");
+    assert (getenv(~"NAME1") == option::some(~"VALUE"));
 }
 
 #[test]
 fn test_setenv_overwrite() {
-    setenv("NAME2", "1");
-    setenv("NAME2", "2");
-    assert (getenv("NAME2") == option::some("2"));
+    setenv(~"NAME2", ~"1");
+    setenv(~"NAME2", ~"2");
+    assert (getenv(~"NAME2") == option::some(~"2"));
 }
 
 // Windows GetEnvironmentVariable requires some extra work to make sure
 // the buffer the variable is copied into is the right size
 #[test]
 fn test_getenv_big() {
-    let s = "";
+    let s = ~"";
     let i = 0;
-    while i < 100 { s += "aaaaaaaaaa"; i += 1; }
-    setenv("NAME3", s);
-    assert (getenv("NAME3") == option::some(s));
+    while i < 100 { s += ~"aaaaaaaaaa"; i += 1; }
+    setenv(~"NAME3", s);
+    assert (getenv(~"NAME3") == option::some(s));
 }
 
 // Local Variables: