(core::str) add find_bytes and export it...

2 files changed, 14 insertions, 13 deletions

diff --git a/src/comp/back/link.rs b/src/comp/back/link.rs
index adb9f31f13e..3d345c1a250 100644
--- a/src/comp/back/link.rs
+++ b/src/comp/back/link.rs
@@ -568,10 +568,11 @@ fn link_binary(sess: session,
     // Converts a library file name into a cc -l argument
     fn unlib(config: @session::config, filename: str) -> str unsafe {
         let rmlib = fn@(filename: str) -> str {
+            let found = str::find_bytes(filename, "lib");
             if config.os == session::os_macos ||
                 (config.os == session::os_linux ||
                  config.os == session::os_freebsd) &&
-                str::find(filename, "lib") == 0 {
+                option::is_some(found) && option::get(found) == 0u {
                 ret str::unsafe::slice_bytes(filename, 3u,
                                str::len_bytes(filename));
             } else { ret filename; }
diff --git a/src/comp/driver/driver.rs b/src/comp/driver/driver.rs
index 52f38afc69a..62cffd97099 100644
--- a/src/comp/driver/driver.rs
+++ b/src/comp/driver/driver.rs
@@ -269,28 +269,28 @@ fn pretty_print_input(sess: session, cfg: ast::crate_cfg, input: str,
 }
 
 fn get_os(triple: str) -> option<session::os> {
-    ret if str::find(triple, "win32") >= 0 ||
-               str::find(triple, "mingw32") >= 0 {
+    ret if str::contains(triple, "win32") ||
+               str::contains(triple, "mingw32") {
             some(session::os_win32)
-        } else if str::find(triple, "darwin") >= 0 {
+        } else if str::contains(triple, "darwin") {
             some(session::os_macos)
-        } else if str::find(triple, "linux") >= 0 {
+        } else if str::contains(triple, "linux") {
             some(session::os_linux)
-        } else if str::find(triple, "freebsd") >= 0 {
+        } else if str::contains(triple, "freebsd") {
             some(session::os_freebsd)
         } else { none };
 }
 
 fn get_arch(triple: str) -> option<session::arch> {
-    ret if str::find(triple, "i386") >= 0 || str::find(triple, "i486") >= 0 ||
-               str::find(triple, "i586") >= 0 ||
-               str::find(triple, "i686") >= 0 ||
-               str::find(triple, "i786") >= 0 {
+    ret if str::contains(triple, "i386") || str::contains(triple, "i486") ||
+               str::contains(triple, "i586") ||
+               str::contains(triple, "i686") ||
+               str::contains(triple, "i786") {
             some(session::arch_x86)
-        } else if str::find(triple, "x86_64") >= 0 {
+        } else if str::contains(triple, "x86_64") {
             some(session::arch_x86_64)
-        } else if str::find(triple, "arm") >= 0 ||
-                      str::find(triple, "xscale") >= 0 {
+        } else if str::contains(triple, "arm") ||
+                      str::contains(triple, "xscale") {
             some(session::arch_arm)
         } else { none };
 }