4 files changed, 32 insertions, 7 deletions
diff --git a/indra/lscript/lscript_compile/indra.l b/indra/lscript/lscript_compile/indra.l
index 524f2089fd..19c51b08b2 100644
--- a/indra/lscript/lscript_compile/indra.l
+++ b/indra/lscript/lscript_compile/indra.l
@@ -42,6 +42,12 @@ void parse_string();
 #define YYLMAX 16384
 #define YY_NEVER_INTERACTIVE 1 /* stops flex from calling isatty() */
  
+#ifdef ECHO
+#undef ECHO
+#endif
+
+#define ECHO do { } while (0)
+
 #if defined(__cplusplus)
 extern "C" { int yylex( void ); }
 extern "C" { int yyparse( void ); }
diff --git a/indra/lscript/lscript_compile/lscript_bytecode.cpp b/indra/lscript/lscript_compile/lscript_bytecode.cpp
index d6b0fe4926..b91f53503b 100644
--- a/indra/lscript/lscript_compile/lscript_bytecode.cpp
+++ b/indra/lscript/lscript_compile/lscript_bytecode.cpp
@@ -288,7 +288,10 @@ void LLScriptScriptCodeChunk::build(FILE *efp, FILE *bcfp)
 		set_register(mCompleteCode, LREG_TM, mTotalSize);
 
 
-		fwrite(mCompleteCode, 1, mTotalSize, bcfp);
+		if (fwrite(mCompleteCode, 1, mTotalSize, bcfp) != mTotalSize)
+		{
+			llwarns << "Short write" << llendl;
+		}
 	}
 	else
 	{
diff --git a/indra/lscript/lscript_execute/lscript_execute.cpp b/indra/lscript/lscript_execute/lscript_execute.cpp
index 196ca07d1d..b166e922a2 100644
--- a/indra/lscript/lscript_execute/lscript_execute.cpp
+++ b/indra/lscript/lscript_execute/lscript_execute.cpp
@@ -43,11 +43,19 @@ LLScriptExecute::LLScriptExecute(FILE *fp)
 	U8  sizearray[4];
 	S32 filesize;
 	S32 pos = 0;
-	fread(&sizearray, 1, 4, fp);
-	filesize = bytestream2integer(sizearray, pos);
+	if (fread(&sizearray, 1, 4, fp) != 4)
+	{
+		llwarns << "Short read" << llendl;
+		filesize = 0;
+	} else {
+		filesize = bytestream2integer(sizearray, pos);
+	}
 	mBuffer = new U8[filesize];
 	fseek(fp, 0, SEEK_SET);
-	fread(mBuffer, 1, filesize, fp);
+	if (fread(mBuffer, 1, filesize, fp) != filesize)
+	{
+		llwarns << "Short read" << llendl;
+	}
 	fclose(fp);
 
 	init();
diff --git a/indra/lscript/lscript_execute/lscript_readlso.cpp b/indra/lscript/lscript_execute/lscript_readlso.cpp
index 669a9b6a06..0021a87d65 100644
--- a/indra/lscript/lscript_execute/lscript_readlso.cpp
+++ b/indra/lscript/lscript_execute/lscript_readlso.cpp
@@ -17,11 +17,19 @@ LLScriptLSOParse::LLScriptLSOParse(FILE *fp)
 	U8  sizearray[4];
 	S32 filesize;
 	S32 pos = 0;
-	fread(&sizearray, 1, 4, fp);
-	filesize = bytestream2integer(sizearray, pos);
+	if (fread(&sizearray, 1, 4, fp) != 4)
+	{
+		llwarns << "Short read" << llendl;
+		filesize = 0;
+	} else {
+		filesize = bytestream2integer(sizearray, pos);
+	}
 	mRawData = new U8[filesize];
 	fseek(fp, 0, SEEK_SET);
-	fread(mRawData, 1, filesize, fp);
+	if (fread(mRawData, 1, filesize, fp) != filesize)
+	{
+		llwarns << "Short read" << llendl;
+	}
 
 	initOpCodePrinting();
 }