Surprisly clang started to tell me where variable may used uninitialized, correcting it!

That's a good point it tell me that, but was a bit unexpected ^^

lang/cem/cemcom.ansi/error.c

@@ -530,7 +530,7 @@ fatal(va_alist)				/* fmt, args */
 
 static void _error(int class, char *fn, unsigned int ln, char *fmt, va_list ap)
 {
-	char *remark;
+	char *remark = NULL;
 	
 	/* check visibility of message */
 	switch (class)	{

lang/cem/cemcom.ansi/type.c

@@ -77,7 +77,7 @@ struct type *construct_type(int fund, struct type *tp, int qual, arith count, st
 	/*	fund must be a type constructor: FIELD, FUNCTION, POINTER or
 		ARRAY. The pointer to the constructed type is returned.
 	*/
-	struct type *dtp;
+	struct type *dtp = NULL;
 
 	switch (fund)	{
 #ifndef NOBITFIELD

util/arch/archiver.c

@@ -705,16 +705,17 @@ void do_object(int f, long size)
  * name table and read and write the names one by one. Update the ranlib table
  * accordingly.
  */
+#define NNAMES 100
+
 void do_names(struct outhead	*headp)
 {
-	register char	*strings;
+ 	char	*strings = NULL;
-	register int	nnames = headp->oh_nname;
+	int	nnames = headp->oh_nname;
-#define NNAMES 100
 	struct outname	namebuf[NNAMES];
 	long xxx = OFF_CHAR(*headp);
 
-	if (	headp->oh_nchar != (unsigned int)headp->oh_nchar ||
+	if ( (headp->oh_nchar != (unsigned int)headp->oh_nchar) ||
-		(strings = malloc((unsigned int)headp->oh_nchar)) == (char *)0
+		 (strings = malloc((unsigned int)headp->oh_nchar)) == (char *)0
 	   ) {
 		error(TRUE, "string table too big\n", NULL, NULL, NULL);
 	}

util/ego/ic/ic.c

@@ -299,7 +299,7 @@ line_p readoperand(short instr)
 	/* Read the operand of the given instruction.
 	 * Create a line struct and return a pointer to it.
 	 */
-	line_p lnp;
+	line_p lnp = NULL;
 	short flag;
 
 	VI(instr);

util/ego/ic/ic_aux.c

@@ -166,7 +166,7 @@ void dblockdef(dblock_p db, int n, line_p lnp)
 {
 	/* Process a data block defining occurrence */
 
-	byte m;
+	byte m = 0;
 
 	switch(n) {
 		case ps_hol:

util/ego/il/il3_subst.c

@@ -70,7 +70,7 @@ void substitute(FILE *lf, call_p c, line_p cal, line_p firstline)
 	 * up to date.
 	 */
 
-	line_p l, text, lab;
+	line_p l, text = NULL, lab = NULL;
 	offset ab_off, lb_off;
 	line_p startscan, ncal;
 	short lastcid;

util/ego/sr/sr_reduce.c

@@ -78,7 +78,7 @@ static line_p newcode(code_p code, offset tmp)
 	 *	  a[iv]    ->   *tmp
 	 */
 
-	line_p l;
+	line_p l = NULL;
 
 	switch(code->co_instr) {
 		case op_mli:
@@ -245,7 +245,8 @@ static void incr_code(code_p code, offset tmp)
 	 * the induction variable.
 	 */
 
-	line_p load_tmp, loc, add, store_tmp, l;
+	line_p load_tmp = NULL, loc = NULL, add = NULL,
+	       store_tmp = NULL, l = NULL;
 
 	add = newline(OPSHORT);
 	SHORT(add) = ws;  /* the add instruction, can be ADI,ADU or ADS */

util/ego/ud/ud_const.c

@@ -54,7 +54,7 @@ bool value_known(line_p def, offset *val_out)
 	 */
 
 	short sz1, sz2;
-	offset v;
+	offset v = 0;
 	line_p l;
 
 	sz1 = ws;