zzstoatzz.io
logfire client for zig
fix: use raw mode for string attribute serialization
jw.write() wasn't reliably serializing strings from internal storage.
bypass it with manual JSON string writing using beginWriteRaw/endWriteRaw
to maintain Stringify state while writing escaped strings directly.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
+26
-3
src/exporter.zig
+26
-3
src/exporter.zig
···
584
584
switch (value) {
585
585
.string => |s| {
586
586
try jw.objectField("stringValue");
587
-
try jw.write(s);
587
+
try writeStringValue(jw, s);
588
588
},
589
589
.int => |i| {
590
590
try jw.objectField("intValue");
···
612
612
switch (attr.value) {
613
613
.string => |s| {
614
614
try jw.objectField("stringValue");
615
-
// explicit cast needed for slices pointing to internal storage
616
-
try jw.write(@as([]const u8, s));
615
+
try writeStringValue(jw, s);
617
616
},
618
617
.int => |i| {
619
618
try jw.objectField("intValue");
···
652
651
var buf: [24]u8 = undefined;
653
652
const s = std.fmt.bufPrint(&buf, "{d}", .{val}) catch unreachable;
654
653
try jw.write(s);
654
+
}
655
+
656
+
/// write a string value with proper JSON escaping
657
+
/// uses raw mode to maintain Stringify state while writing manually
658
+
fn writeStringValue(jw: *json.Stringify, s: []const u8) !void {
659
+
try jw.beginWriteRaw();
660
+
try jw.writer.writeByte('"');
661
+
for (s) |c| {
662
+
switch (c) {
663
+
'"' => try jw.writer.writeAll("\\\""),
664
+
'\\' => try jw.writer.writeAll("\\\\"),
665
+
'\n' => try jw.writer.writeAll("\\n"),
666
+
'\r' => try jw.writer.writeAll("\\r"),
667
+
'\t' => try jw.writer.writeAll("\\t"),
668
+
0x00...0x08, 0x0b, 0x0c, 0x0e...0x1f => {
669
+
var buf: [6]u8 = undefined;
670
+
_ = std.fmt.bufPrint(&buf, "\\u00{x:0>2}", .{c}) catch unreachable;
671
+
try jw.writer.writeAll(&buf);
672
+
},
673
+
else => try jw.writer.writeByte(c),
674
+
}
675
+
}
676
+
try jw.writer.writeByte('"');
677
+
jw.endWriteRaw();
655
678
}
656
679
657
680
// tests