authorgravatar for mlugg@mlugg.co.ukMatthew Lugg <mlugg@mlugg.co.uk> 2025-11-19 17:08:49+00:00
committergravatar for mlugg@mlugg.co.ukMatthew Lugg <mlugg@mlugg.co.uk> 2025-11-20 10:42:21+00:00
logb05fefb9c9bf3065e353102d0e54ea76d5f4e34d
tree8648f141532ac235245af263eb4577506f79dda2
parentbc524a2b1a6e5cd13c0093bed240b06d23e1a882
signaturelock-open Commit is signed but in an unrecognized format.

std.http: stop assuming previous chunk state

The full file may not be written, either due to a previous chunk being in-progress when `sendFile` was called, or due to `limit`.

1 files changed, 3 insertions(+), 4 deletions(-)

lib/std/http.zig+3-4
......@@ -962,6 +962,7 @@ pub const BodyWriter = struct {
962962 // have to flush the chunk header before knowing the chunk length.
963963 return error.Unimplemented;
964964 };
965 if (data_len == 0) return error.EndOfStream;
965966 const out = bw.http_protocol_output;
966967 l: switch (bw.state.chunk_len) {
967968 0 => {
......@@ -975,8 +976,7 @@ pub const BodyWriter = struct {
975976 2 => {
976977 try out.writeAll("\r\n");
977978 bw.state.chunk_len = 0;
978 assert(file_reader.atEnd());
979 return error.EndOfStream;
979 continue :l 0;
980980 },
981981 else => {
982982 const chunk_limit: std.Io.Limit = .limited(bw.state.chunk_len - 2);
......@@ -985,8 +985,7 @@ pub const BodyWriter = struct {
985985 else
986986 try out.write(chunk_limit.slice(w.buffered()));
987987 bw.state.chunk_len -= n;
988 const ret = w.consume(n);
989 return ret;
988 return w.consume(n);
990989 },
991990 }
992991 }