Commit 439117d0d75f28d8d555fceacc42315ec1dd8e34 | zig

author	Andrew Kelley <andrew@ziglang.org> 2025-05-01 14:57:20-07:00
committer	Andrew Kelley <andrew@ziglang.org> 2025-07-01 16:35:28-07:00
log	439117d0d75f28d8d555fceacc42315ec1dd8e34
tree	ec3295ab03f174035d71cb9283911ade59750fe5
parent	e05af2da131b5d9353711ffb5979c67f4bd8b5af

better error return traces and type safety

1 files changed, 8 insertions(+), 2 deletions(-)

lib/std/compress/zstd/Decompress.zig+8-2

 @@ -261,13 +261,19 @@ fn discard(context: ?*anyopaque, limit: Reader.Limit) Reader.Error!usize {
     var trash_buffer: [64]u8 = undefined;
     var null_writer: std.io.Writer.Null = undefined;
     var bw = null_writer.writer().buffered(&trash_buffer);
-    return @errorCast(read(context, &bw, limit));
+    return read(context, &bw, limit) catch |err| switch (err) {
+        error.WriteFailed => unreachable,
+        else => |e| return e,
+    };
 }
 fn readVec(context: ?*anyopaque, data: []const []u8) Reader.Error!usize {
     var bw: BufferedWriter = undefined;
     bw.initFixed(data[0]);
-    return @errorCast(read(context, &bw, .limited(data[0].len)));
+    return read(context, &bw, .limited(data[0].len)) catch |err| switch (err) {
+        error.WriteFailed => unreachable,
+        else => |e| return e,
+    };
 }
 pub const Frame = struct {