Improve LZ4 exception descriptions

3 files changed, 22 insertions, 22 deletions

diff --git a/libbutl/lz4-stream.cxx b/libbutl/lz4-stream.cxx
index 43b0250..9d0ac99 100644
--- a/libbutl/lz4-stream.cxx
+++ b/libbutl/lz4-stream.cxx
@@ -126,7 +126,7 @@ namespace butl
             d_.in += p.first;
 
             if (p.second && d_.in != h_)
-              throw invalid_argument ("incomplete compressed content");
+              throw invalid_argument ("incomplete LZ4 compressed content");
           }
 
           h_ = d_.next (); // Clears d_.in.
@@ -149,7 +149,7 @@ namespace butl
             (!is_->eof () &&
              is_->good () &&
              is_->peek () != istream::traits_type::eof ()))
-          throw invalid_argument ("junk after compressed content");
+          throw invalid_argument ("junk after LZ4 compressed content");
       }
 
       return r;
diff --git a/libbutl/lz4.cxx b/libbutl/lz4.cxx
index 9d15203..a627b06 100644
--- a/libbutl/lz4.cxx
+++ b/libbutl/lz4.cxx
@@ -54,22 +54,22 @@ namespace butl
 
       switch (c)
       {
-      case LZ4F_ERROR_GENERIC:                     throw i ("generic error");
-      case LZ4F_ERROR_maxBlockSize_invalid:        throw i ("invalid block size");
-      case LZ4F_ERROR_blockMode_invalid:           throw i ("invalid block mode");
-      case LZ4F_ERROR_contentChecksumFlag_invalid: throw i ("invalid content checksum flag");
-      case LZ4F_ERROR_compressionLevel_invalid:    throw i ("invalid compression level");
-      case LZ4F_ERROR_headerVersion_wrong:         throw i ("wrong header version");
-      case LZ4F_ERROR_blockChecksum_invalid:       throw i ("invalid block checksum");
-      case LZ4F_ERROR_reservedFlag_set:            throw i ("reserved flag set");
-      case LZ4F_ERROR_srcSize_tooLarge:            throw i ("input too large");
-      case LZ4F_ERROR_dstMaxSize_tooSmall:         throw i ("output too small");
-      case LZ4F_ERROR_frameHeader_incomplete:      throw i ("incomplete frame header");
-      case LZ4F_ERROR_frameType_unknown:           throw i ("unknown frame type");
-      case LZ4F_ERROR_frameSize_wrong:             throw i ("wrong frame size");
-      case LZ4F_ERROR_decompressionFailed:         throw i ("invalid compressed content");
-      case LZ4F_ERROR_headerChecksum_invalid:      throw i ("invalid header checksum");
-      case LZ4F_ERROR_contentChecksum_invalid:     throw i ("invalid content checksum");
+      case LZ4F_ERROR_GENERIC:                     throw i ("generic LZ4 error");
+      case LZ4F_ERROR_maxBlockSize_invalid:        throw i ("invalid LZ4 block size");
+      case LZ4F_ERROR_blockMode_invalid:           throw i ("invalid LZ4 block mode");
+      case LZ4F_ERROR_contentChecksumFlag_invalid: throw i ("invalid LZ4 content checksum flag");
+      case LZ4F_ERROR_compressionLevel_invalid:    throw i ("invalid LZ4 compression level");
+      case LZ4F_ERROR_headerVersion_wrong:         throw i ("wrong LZ4 header version");
+      case LZ4F_ERROR_blockChecksum_invalid:       throw i ("invalid LZ4 block checksum");
+      case LZ4F_ERROR_reservedFlag_set:            throw i ("reserved LZ4 flag set");
+      case LZ4F_ERROR_srcSize_tooLarge:            throw i ("LZ4 input too large");
+      case LZ4F_ERROR_dstMaxSize_tooSmall:         throw i ("LZ4 output too small");
+      case LZ4F_ERROR_frameHeader_incomplete:      throw i ("incomplete LZ4 frame header");
+      case LZ4F_ERROR_frameType_unknown:           throw i ("unknown LZ4 frame type");
+      case LZ4F_ERROR_frameSize_wrong:             throw i ("wrong LZ4 frame size");
+      case LZ4F_ERROR_decompressionFailed:         throw i ("invalid LZ4 compressed content");
+      case LZ4F_ERROR_headerChecksum_invalid:      throw i ("invalid LZ4 header checksum");
+      case LZ4F_ERROR_contentChecksum_invalid:     throw i ("invalid LZ4 content checksum");
 
       case LZ4F_ERROR_allocation_failed:           throw bad_alloc ();
 
@@ -511,7 +511,7 @@ namespace butl
         if (h != 0)
         {
           if (eof)
-            throw invalid_argument ("incomplete compressed content");
+            throw invalid_argument ("incomplete LZ4 compressed content");
 
           d.in = read (d.ib, h);
         }
diff --git a/tests/lz4/testscript b/tests/lz4/testscript
index 0cd5cba..b064cff 100644
--- a/tests/lz4/testscript
+++ b/tests/lz4/testscript
@@ -69,17 +69,17 @@ diff ../512kb 512kb
 : truncated-header6
 :
 $* -d $src_base/truncated-header6.lz4 out &out 2>>EOE !=0
-incomplete frame header
+incomplete LZ4 frame header
 EOE
 
 : truncated-header12
 :
 $* -d $src_base/truncated-header12.lz4 out &out 2>>EOE !=0
-incomplete frame header
+incomplete LZ4 frame header
 EOE
 
 : truncated-content
 :
 $* -d $src_base/truncated-content.lz4 out &out 2>>EOE !=0
-incomplete compressed content
+incomplete LZ4 compressed content
 EOE