only if dir existsdylan/change-pathname-assert

2 files changed, 11 insertions, 1 deletions

diff --git a/src/fs.zig b/src/fs.zig
index db0685936..0da1ed184 100644
--- a/src/fs.zig
+++ b/src/fs.zig
@@ -1100,7 +1100,7 @@ pub const PathName = struct {
         }
 
         if (comptime Environment.allow_assert) {
-            std.debug.assert(!strings.includes(self.base, "/"));
+            if (self.dir.len > 0) std.debug.assert(!strings.includes(self.base, "/"));
         }
 
         // /bar/foo.js -> foo
diff --git a/src/string_immutable.zig b/src/string_immutable.zig
index bc0b59ea0..f44afdce6 100644
--- a/src/string_immutable.zig
+++ b/src/string_immutable.zig
@@ -224,6 +224,16 @@ pub fn indexOfSigned(self: string, str: string) i32 {
 }
 
 pub inline fn lastIndexOfChar(self: string, char: u8) ?usize {
+    if (comptime Environment.isLinux) {
+        const memrchr = struct {
+            pub extern fn memrchr(ptr: [*]const u8, val: c_int, len: usize) ?[*]const u8;
+        }.memrchr;
+        const start = memrchr(self.ptr, char, self.len) orelse return null;
+        const i = @ptrToInt(start) - @ptrToInt(self.ptr);
+        std.debug.assert(i < self.len);
+        return @intCast(usize, i);
+    }
+
     return std.mem.lastIndexOfScalar(u8, self, char);
 }