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Code Issues Releases Wiki Activity

Define mask for fields

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This commit is contained in:
Tatsuhiro Tsujikawa 2012-01-25 21:35:48 +09:00
parent 3bfe48972c
commit 6629f35a94
2 changed files with 11 additions and 6 deletions
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13
lib/spdylay_frame.c
View File

@ -58,10 +58,10 @@ static void spdylay_frame_pack_ctrl_hd(uint8_t* buf, const spdylay_ctrl_hd *hd)
static void spdylay_frame_unpack_ctrl_hd(spdylay_ctrl_hd *hd,
const uint8_t* buf)
{
hd->version = spdylay_get_uint16(buf) & 0x7fff;
hd->version = spdylay_get_uint16(buf) & SPDYLAY_VERSION_MASK;
hd->type = spdylay_get_uint16(buf+2);
hd->flags = buf[4];
hd->length = spdylay_get_uint32(buf+5) & 0xffffff;
hd->length = spdylay_get_uint32(buf+5) & SPDYLAY_LENGTH_MASK;
}
static ssize_t spdylay_frame_alloc_pack_nv(uint8_t **buf_ptr,
@ -403,8 +403,9 @@ int spdylay_frame_unpack_syn_stream(spdylay_syn_stream *frame,
return SPDYLAY_ERR_INVALID_FRAME;
}
spdylay_frame_unpack_ctrl_hd(&frame->hd, head);
frame->stream_id = spdylay_get_uint32(payload) & 0x7fffffff;
frame->assoc_stream_id = spdylay_get_uint32(payload+4) & 0x7fffffff;
frame->stream_id = spdylay_get_uint32(payload) & SPDYLAY_STREAM_ID_MASK;
frame->assoc_stream_id =
spdylay_get_uint32(payload+4) & SPDYLAY_STREAM_ID_MASK;
frame->pri = spdylay_unpack_pri(payload+8);
r = spdylay_frame_alloc_unpack_nv(&frame->nv, payload+10, payloadlen-10,
inflater);
@ -436,7 +437,7 @@ int spdylay_frame_unpack_syn_reply(spdylay_syn_reply *frame,
{
int r;
spdylay_frame_unpack_ctrl_hd(&frame->hd, head);
frame->stream_id = spdylay_get_uint32(payload) &0x7fffffff;
frame->stream_id = spdylay_get_uint32(payload) & SPDYLAY_STREAM_ID_MASK;
r = spdylay_frame_alloc_unpack_nv(&frame->nv, payload+6, payloadlen-6,
inflater);
return r;
@ -467,7 +468,7 @@ int spdylay_frame_unpack_rst_stream(spdylay_rst_stream *frame,
return SPDYLAY_ERR_INVALID_FRAME;
}
spdylay_frame_unpack_ctrl_hd(&frame->hd, head);
frame->stream_id = spdylay_get_uint32(payload) & 0x7fffffff;
frame->stream_id = spdylay_get_uint32(payload) & SPDYLAY_STREAM_ID_MASK;
frame->status_code = spdylay_get_uint32(payload+4);
return 0;
}

4
lib/spdylay_frame.h
View File

@ -33,6 +33,10 @@
#include "spdylay_zlib.h"
#include "spdylay_buffer.h"
#define SPDYLAY_STREAM_ID_MASK 0x7fffffff
#define SPDYLAY_LENGTH_MASK 0xffffff
#define SPDYLAY_VERSION_MASK 0x7fff
/*
* Packs SYN_STREAM frame |frame| in wire frame format and store it in
* |*buf_ptr|. This function allocates enough memory to store given