Convert fs::path_is_absolute internals to istrs. Issue #855

Author: brson

src/lib/fs.rs

@@ -61,7 +61,7 @@ fn list_dir(p: &path) -> [istr] {
 }
 
 fn path_is_absolute(p: &path) -> bool {
-    ret os_fs::path_is_absolute(istr::to_estr(p));
+    ret os_fs::path_is_absolute(p);
 }
 
 // FIXME: under Windows, we should prepend the current drive letter to paths

src/lib/posix_fs.rs

@@ -32,7 +32,7 @@ fn list_dir(path: str) -> [str] {
 
 }
 
-fn path_is_absolute(p: str) -> bool { ret str::char_at(p, 0u) == '/'; }
+fn path_is_absolute(p: &istr) -> bool { ret istr::char_at(p, 0u) == '/'; }
 
 const path_sep: char = '/';
 

src/lib/win32_fs.rs

@@ -7,9 +7,9 @@ native "rust" mod rustrt {
 
 fn list_dir(path: str) -> [str] { ret *rustrt::rust_list_files(path + "*"); }
 
-fn path_is_absolute(p: str) -> bool {
-    ret str::char_at(p, 0u) == '/' ||
-            str::char_at(p, 1u) == ':' && str::char_at(p, 2u) == '\\';
+fn path_is_absolute(p: &istr) -> bool {
+    ret istr::char_at(p, 0u) == '/' ||
+            istr::char_at(p, 1u) == ':' && istr::char_at(p, 2u) == '\\';
 }
 
 /* FIXME: win32 path handling actually accepts '/' or '\' and has subtly