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set the lower bits of frame header descriptor if dictionary is needed

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This commit is contained in:
Paul Cruz
2017-06-08 17:11:33 -07:00
parent c2d909e396
commit 233ee5334e
1 changed files with 5 additions and 3 deletions
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tests/decodecorpus.c
+5 -3
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@@ -240,7 +240,7 @@ struct {
} opts; /* advanced options on generation */ } opts; /* advanced options on generation */
/* Generate and write a random frame header */ /* Generate and write a random frame header */
static void writeFrameHeader(U32* seed, frame_t* frame) static void writeFrameHeader(U32* seed, frame_t* frame, int genDict)
{ {
BYTE* const op = frame->data; BYTE* const op = frame->data;
size_t pos = 0; size_t pos = 0;
@@ -308,6 +308,8 @@ static void writeFrameHeader(U32* seed, frame_t* frame)
{ {
BYTE const frameHeaderDescriptor = BYTE const frameHeaderDescriptor =
(BYTE) ((fcsCode << 6) | (singleSegment << 5) | (1 << 2)); (BYTE) ((fcsCode << 6) | (singleSegment << 5) | (1 << 2));
if(genDict)
frameHeaderDescriptor += 3; /* set lower bits for dictionary ID */
op[pos++] = frameHeaderDescriptor; op[pos++] = frameHeaderDescriptor;
} }
@@ -1126,8 +1128,8 @@ static U32 generateFrame(U32 seed, frame_t* fr, int genDict, size_t dictSize)
/* generate a complete frame */ /* generate a complete frame */
DISPLAYLEVEL(1, "frame seed: %u\n", seed); DISPLAYLEVEL(1, "frame seed: %u\n", seed);
initFrame(fr); initFrame(fr);
writeFrameHeader(&seed, fr); writeFrameHeader(&seed, fr, genDict);
writeBlocks(&seed, fr); writeBlocks(&seed, fr);
writeChecksum(fr); writeChecksum(fr);