diff -p -up gtkwave-3.3.2/contrib/pccts/antlr/fset2.c.strfmt gtkwave-3.3.2/contrib/pccts/antlr/fset2.c
--- gtkwave-3.3.2/contrib/pccts/antlr/fset2.c.strfmt	2007-06-01 02:57:54.000000000 +0200
+++ gtkwave-3.3.2/contrib/pccts/antlr/fset2.c	2010-01-11 22:39:57.000000000 +0100
@@ -2210,7 +2210,7 @@ void MR_backTraceReport()
       if (p->ntype != nToken) continue;
       tn=(TokNode *)p;
       if (depth != 0) fprintf(stdout," ");
-      fprintf(stdout,TerminalString(tn->token));
+      fprintf(stdout,"%s",TerminalString(tn->token));
       depth++;
       if (! MR_AmbAidMultiple) {
         if (set_nil(tn->tset)) {
diff -p -up gtkwave-3.3.2/contrib/pccts/antlr/gen.c.strfmt gtkwave-3.3.2/contrib/pccts/antlr/gen.c
--- gtkwave-3.3.2/contrib/pccts/antlr/gen.c.strfmt	2007-06-01 02:57:54.000000000 +0200
+++ gtkwave-3.3.2/contrib/pccts/antlr/gen.c	2010-01-11 22:39:57.000000000 +0100
@@ -159,7 +159,7 @@ static void OutLineInfo();              
 #define gen6(s,a,b,c,d,e,f)	{tab(); fprintf(output, s,a,b,c,d,e,f);}
 #define gen7(s,a,b,c,d,e,f,g)	{tab(); fprintf(output, s,a,b,c,d,e,f,g);}
 
-#define _gen(s)			{fprintf(output, s);}
+#define _gen(s)			{fprintf(output, "%s", s);}
 #define _gen1(s,a)		{fprintf(output, s,a);}
 #define _gen2(s,a,b)	{fprintf(output, s,a,b);}
 #define _gen3(s,a,b,c)	{fprintf(output, s,a,b,c);}
diff -p -up gtkwave-3.3.2/contrib/pccts/antlr/lex.c.strfmt gtkwave-3.3.2/contrib/pccts/antlr/lex.c
--- gtkwave-3.3.2/contrib/pccts/antlr/lex.c.strfmt	2007-06-01 02:57:54.000000000 +0200
+++ gtkwave-3.3.2/contrib/pccts/antlr/lex.c	2010-01-11 22:39:57.000000000 +0100
@@ -706,7 +706,7 @@ FILE *output;
 /* MR26 */			if (! (isalpha(*t) || isdigit(*t) || *t == '_' || *t == '$')) break;
 /* MR26 */		}
 /* MR26 */	}
-/* MR26 */	fprintf(output,strBetween(pSymbol, t, pSeparator));
+/* MR26 */	fprintf(output,"%s",strBetween(pSymbol, t, pSeparator));
 
     *q = p;
     return (*pSeparator  == 0);
@@ -771,7 +771,7 @@ FILE *f;
 				  &pValue,
 				  &pSeparator,
 				  &nest);
-	fprintf(f,strBetween(pDataType, pSymbol, pSeparator));
+	fprintf(f,"%s",strBetween(pDataType, pSymbol, pSeparator));
 }
 
 /* check to see if string e is a word in string s */
@@ -852,9 +852,9 @@ int i;
 					  &pSeparator,
 					  &nest);
 		fprintf(f,"\t");
-		fprintf(f,strBetween(pDataType, pSymbol, pSeparator));
+		fprintf(f,"%s",strBetween(pDataType, pSymbol, pSeparator));
 		fprintf(f," ");
-		fprintf(f,strBetween(pSymbol, pEqualSign, pSeparator));
+		fprintf(f,"%s",strBetween(pSymbol, pEqualSign, pSeparator));
 		fprintf(f,";\n");
     }
 	fprintf(f,"};\n");
diff -p -up gtkwave-3.3.2/contrib/pccts/sorcerer/main.c.strfmt gtkwave-3.3.2/contrib/pccts/sorcerer/main.c
--- gtkwave-3.3.2/contrib/pccts/sorcerer/main.c.strfmt	2007-05-30 06:26:16.000000000 +0200
+++ gtkwave-3.3.2/contrib/pccts/sorcerer/main.c	2010-01-11 22:39:57.000000000 +0100
@@ -1035,7 +1035,7 @@ FILE *f;
     id = p;                    /* here is where id is */
     p = s;
     while ( p!=id ) {fputc(*p, f); p++;} /* dump until just before variable */
-	fprintf(f, prefix);
+	fprintf(f, "%s", prefix);
     while ( isspace(*p) ) p++;
     while ( *p!='\0' )                   /* dump rest */
     {
diff -p -up gtkwave-3.3.2/src/ae2.c.strfmt gtkwave-3.3.2/src/ae2.c
--- gtkwave-3.3.2/src/ae2.c.strfmt	2009-07-01 09:39:12.000000000 +0200
+++ gtkwave-3.3.2/src/ae2.c	2010-01-11 22:39:57.000000000 +0100
@@ -37,7 +37,7 @@ const char *ae2_loader_fail_msg = "Sorry
 
 TimeType ae2_main(char *fname, char *skip_start, char *skip_end, char *indirect_fname)
 {
-fprintf(stderr, ae2_loader_fail_msg);
+fprintf(stderr, "%s", ae2_loader_fail_msg);
 exit(255);
 
 return(0); /* for vc++ */
@@ -45,7 +45,7 @@ return(0); /* for vc++ */
 
 void ae2_import_masked(void)
 {
-fprintf(stderr, ae2_loader_fail_msg);
+fprintf(stderr, "%s", ae2_loader_fail_msg);
 exit(255);
 }
 
diff -p -up gtkwave-3.3.2/src/extload.c.strfmt gtkwave-3.3.2/src/extload.c
--- gtkwave-3.3.2/src/extload.c.strfmt	2009-07-01 09:39:12.000000000 +0200
+++ gtkwave-3.3.2/src/extload.c	2010-01-11 22:39:57.000000000 +0100
@@ -36,7 +36,7 @@ const char *extload_loader_fail_msg = "S
 
 TimeType extload_main(char *fname, char *skip_start, char *skip_end)
 {
-fprintf(stderr, extload_loader_fail_msg);
+fprintf(stderr, "%s", extload_loader_fail_msg);
 exit(255);
 
 return(0); /* for vc++ */
@@ -44,7 +44,7 @@ return(0); /* for vc++ */
 
 void import_extload_trace(nptr np)
 {
-fprintf(stderr, extload_loader_fail_msg);
+fprintf(stderr, "%s", extload_loader_fail_msg);
 exit(255);
 }
 
diff -p -up gtkwave-3.3.2/src/tcl_np.c.strfmt gtkwave-3.3.2/src/tcl_np.c
--- gtkwave-3.3.2/src/tcl_np.c.strfmt	2010-01-11 22:40:39.000000000 +0100
+++ gtkwave-3.3.2/src/tcl_np.c	2010-01-11 22:47:47.000000000 +0100
@@ -384,7 +384,7 @@ char *NpMyDirectoryPath(char *path, int 
       snprintf(dllName, dllNameSize, info.dli_fname);
     } else
 #  endif
-      snprintf(dllName, dllNameSize, libname);
+      snprintf(dllName, dllNameSize, "%s", libname);
   }
   return TCL_OK;
 }