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nghttp2_frame: Add assertion to available buffer size in first buffer

This commit is contained in:
Tatsuhiro Tsujikawa 2014-05-06 18:06:46 +09:00
parent 56d6784d8d
commit 8289943a58
1 changed files with 12 additions and 0 deletions
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12
lib/nghttp2_frame.c
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@ -431,6 +431,9 @@ int nghttp2_frame_pack_priority(nghttp2_bufs *bufs, nghttp2_priority *frame)
assert(bufs->head == bufs->cur); assert(bufs->head == bufs->cur);
buf = &bufs->head->buf; buf = &bufs->head->buf;
assert(nghttp2_buf_avail(buf) >= 5);
buf->pos -= NGHTTP2_FRAME_HDLEN; buf->pos -= NGHTTP2_FRAME_HDLEN;
nghttp2_frame_pack_frame_hd(buf->pos, &frame->hd); nghttp2_frame_pack_frame_hd(buf->pos, &frame->hd);
@ -458,6 +461,9 @@ int nghttp2_frame_pack_rst_stream(nghttp2_bufs *bufs,
assert(bufs->head == bufs->cur); assert(bufs->head == bufs->cur);
buf = &bufs->head->buf; buf = &bufs->head->buf;
assert(nghttp2_buf_avail(buf) >= 4);
buf->pos -= NGHTTP2_FRAME_HDLEN; buf->pos -= NGHTTP2_FRAME_HDLEN;
nghttp2_frame_pack_frame_hd(buf->pos, &frame->hd); nghttp2_frame_pack_frame_hd(buf->pos, &frame->hd);
@ -618,6 +624,9 @@ int nghttp2_frame_pack_ping(nghttp2_bufs *bufs, nghttp2_ping *frame)
assert(bufs->head == bufs->cur); assert(bufs->head == bufs->cur);
buf = &bufs->head->buf; buf = &bufs->head->buf;
assert(nghttp2_buf_avail(buf) >= 8);
buf->pos -= NGHTTP2_FRAME_HDLEN; buf->pos -= NGHTTP2_FRAME_HDLEN;
nghttp2_frame_pack_frame_hd(buf->pos, &frame->hd); nghttp2_frame_pack_frame_hd(buf->pos, &frame->hd);
@ -721,6 +730,9 @@ int nghttp2_frame_pack_window_update(nghttp2_bufs *bufs,
assert(bufs->head == bufs->cur); assert(bufs->head == bufs->cur);
buf = &bufs->head->buf; buf = &bufs->head->buf;
assert(nghttp2_buf_avail(buf) >= 4);
buf->pos -= NGHTTP2_FRAME_HDLEN; buf->pos -= NGHTTP2_FRAME_HDLEN;
nghttp2_frame_pack_frame_hd(buf->pos, &frame->hd); nghttp2_frame_pack_frame_hd(buf->pos, &frame->hd);