fix self hosted compiler on windows

2 files changed, 10 insertions, 2 deletions

diff --git a/std/os/index.zig b/std/os/index.zig
index 0fd3f02e9a..e1b6a9dcce 100644
--- a/std/os/index.zig
+++ b/std/os/index.zig
@@ -851,7 +851,7 @@ pub fn makePath(allocator: &Allocator, full_path: []const u8) -> %void {
                 // march end_index backward until next path component
                 while (true) {
                     end_index -= 1;
-                    if (resolved_path[end_index] == '/')
+                    if (os.path.isSep(resolved_path[end_index]))
                         break;
                 }
                 continue;
@@ -864,7 +864,7 @@ pub fn makePath(allocator: &Allocator, full_path: []const u8) -> %void {
         // march end_index forward until next path component
         while (true) {
             end_index += 1;
-            if (end_index == resolved_path.len or resolved_path[end_index] == '/')
+            if (end_index == resolved_path.len or os.path.isSep(resolved_path[end_index]))
                 break;
         }
     }
diff --git a/std/os/path.zig b/std/os/path.zig
index 9417cb4299..fda1f60811 100644
--- a/std/os/path.zig
+++ b/std/os/path.zig
@@ -22,6 +22,14 @@ pub const delimiter = if (is_windows) delimiter_windows else delimiter_posix;
 
 const is_windows = builtin.os == builtin.Os.windows;
 
+pub fn isSep(byte: u8) -> bool {
+    if (is_windows) {
+        return byte == '/' or byte == '\\';
+    } else {
+        return byte == '/';
+    }
+}
+
 /// Naively combines a series of paths with the native path seperator.
 /// Allocates memory for the result, which must be freed by the caller.
 pub fn join(allocator: &Allocator, paths: ...) -> %[]u8 {