From: Nick Terrell <terrelln@fb.com>
Date: Tue, 23 Apr 2019 21:22:16 +0000 (-0700)
Subject: [libzstd] Add a ZSTD_STATIC_ASSERT for BIT_DStream_status
X-Git-Tag: v1.4.1^2~49^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5f228f8db22a492c8a38410d7f3b86d8d98e6b8e;p=thirdparty%2Fzstd.git

[libzstd] Add a ZSTD_STATIC_ASSERT for BIT_DStream_status
---

diff --git a/lib/decompress/zstd_decompress_block.c b/lib/decompress/zstd_decompress_block.c
index 34b82bf41..7707c28bb 100644
--- a/lib/decompress/zstd_decompress_block.c
+++ b/lib/decompress/zstd_decompress_block.c
@@ -918,6 +918,11 @@ ZSTD_decompressSequences_body( ZSTD_DCtx* dctx,
         ZSTD_initFseState(&seqState.stateOffb, &seqState.DStream, dctx->OFTptr);
         ZSTD_initFseState(&seqState.stateML, &seqState.DStream, dctx->MLTptr);
 
+        ZSTD_STATIC_ASSERT(
+                BIT_DStream_unfinished < BIT_DStream_completed &&
+                BIT_DStream_endOfBuffer < BIT_DStream_completed &&
+                BIT_DStream_completed < BIT_DStream_overflow);
+
         for ( ; (BIT_reloadDStream(&(seqState.DStream)) <= BIT_DStream_completed) && nbSeq ; ) {
             nbSeq--;
             {   seq_t const sequence = ZSTD_decodeSequence(&seqState, isLongOffset);