--- c_ksh.c.str	2009-04-11 09:55:46.000000000 +0200

+++ c_ksh.c	2009-04-11 09:58:38.000000000 +0200

@@ -558,7 +558,7 @@

 			break;

 		}

 		if (vflag || !ret)

-			shprintf(newline);

+			shprintf("%s", newline);

 	}

 	return ret;

 }

@@ -858,7 +858,7 @@

 				else

 				    print_value_quoted(s);

 			    }

-			    shprintf(newline);

+			    shprintf("%s",newline);

 			}

 			/* Only report first `element' of an array with

 			 * no set elements.

@@ -949,7 +949,7 @@

 					shf_putc('=', shl_stdout);

 					print_value_quoted(ap->val.s);

 				}

-				shprintf(newline);

+				shprintf("%s",newline);

 			}

 	}

@@ -973,7 +973,7 @@

 					shf_putc('=', shl_stdout);

 					print_value_quoted(ap->val.s);

 				}

-				shprintf(newline);

+				shprintf("%s",newline);

 			} else {

 				shprintf("%s alias not found\n", alias);

 				rv = 1;

@@ -1220,7 +1220,7 @@

 "Usage: kill [ -s signame | -signum | -signame ] {pid|job}...\n\

        kill -l [exit_status]\n"

 			);

-		bi_errorf(null);

+		bi_errorf("%s",null);

 		return 1;

 	}

@@ -1241,7 +1241,7 @@

 			for (i = 1; i < SIGNALS; i++, p = space)

 				if (sigtraps[i].name)

 					shprintf("%s%s", p, sigtraps[i].name);

-			shprintf(newline);

+			shprintf("%s",newline);

 		} else {

 			int w, i;

 			int mess_width;

--- exec.c.str	2009-04-11 09:58:58.000000000 +0200

+++ exec.c	2009-04-11 09:59:42.000000000 +0200

@@ -145,7 +145,7 @@

 				 */

 				if (tp && tp->type == CSHELL

 				    && (tp->flag & SPEC_BI))

-					errorf(null);

+					errorf("%s",null);

 				/* Deal with FERREXIT, quitenv(), etc. */

 				goto Break;

 			}

--- expr.c.str	2009-04-11 09:59:49.000000000 +0200

+++ expr.c	2009-04-11 09:59:59.000000000 +0200

@@ -185,7 +185,7 @@

 		if (i == LAEXPR) {

 			if (error_ok == KSH_RETURN_ERROR)

 				return 0;

-			errorf(null);

+			errorf("%s",null);

 		}

 		unwind(i);

 		/*NOTREACHED*/

--- jobs.c.str	2009-04-11 10:00:13.000000000 +0200

+++ jobs.c	2009-04-11 10:00:26.000000000 +0200

@@ -903,7 +903,7 @@

 		}

 		shprintf("%s%s", p->command, p->next ? "| " : null);

 	}

-	shprintf(newline);

+	shprintf("%s",newline);

 	shf_flush(shl_stdout);

 	if (running)

 		j->state = PRUNNING;

--- lex.c.str	2009-04-11 10:00:43.000000000 +0200

+++ lex.c	2009-04-11 10:00:54.000000000 +0200

@@ -872,7 +872,7 @@

 	SH_VA_START(va, fmt);

 	shf_vfprintf(shl_out, fmt, va);

 	va_end(va);

-	errorf(null);

+	errorf("%s",null);

 }

 /*

--- main.c.str	2009-04-11 10:01:42.000000000 +0200

+++ main.c	2009-04-11 10:02:09.000000000 +0200

@@ -563,7 +563,7 @@

 		  case LSHELL:

 			if (interactive) {

 				if (i == LINTR)

-					shellf(newline);

+					shellf("%s",newline);

 				/* Reset any eof that was read as part of a

 				 * multiline command.

 				 */

@@ -857,6 +857,6 @@

 	const char *msg;

 {

 	internal_errorf(1, "alloc: %s", msg);

-	errorf(null); /* this is never executed - keeps gcc quiet */

+	errorf("%s",null); /* this is never executed - keeps gcc quiet */

 	/*NOTREACHED*/

 }

--- misc.c.str	2009-04-11 10:02:17.000000000 +0200

+++ misc.c	2009-04-11 10:03:04.000000000 +0200

@@ -250,7 +250,7 @@

 		for (i = 0; i < NELEM(options); i++)

 			if (Flag(i) && options[i].name)

 				shprintf(" -o %s", options[i].name);

-		shprintf(newline);

+		shprintf("%s",newline);

 	}

 }

@@ -1016,7 +1016,7 @@

 				(go->flags & GF_NONAME) ? "" : argv[0],

 				(go->flags & GF_NONAME) ? "" : ": ", c);

 			if (go->flags & GF_ERROR)

-				bi_errorf(null);

+				bi_errorf("%s",null);

 		}

 		return '?';

 	}

@@ -1042,7 +1042,7 @@

 				(go->flags & GF_NONAME) ? "" : argv[0],

 				(go->flags & GF_NONAME) ? "" : ": ", c);

 			if (go->flags & GF_ERROR)

-				bi_errorf(null);

+				bi_errorf("%s",null);

 			return '?';

 		}

 		go->p = 0;

@@ -1093,7 +1093,7 @@

 	}

 	for (p = s; *p; p++) {

 		if (*p == '\'') {

-			shprintf("'\\'" + 1 - inquote);

+			shprintf("%s","'\\'" + 1 - inquote);

 			inquote = 0;

 		} else {

 			if (!inquote) {

--- var.c.str	2009-04-11 10:03:26.000000000 +0200

+++ var.c	2009-04-11 10:03:58.000000000 +0200

@@ -360,7 +360,7 @@

 	if ((vq->flag & RDONLY) && !no_ro_check) {

 		warningf(TRUE, "%s: is read only", vq->name);

 		if (!error_ok)

-			errorf(null);

+			errorf("%s",null);

 		return 0;

 	}

 	if (!(vq->flag&INTEGER)) { /* string dest */

@@ -713,7 +713,7 @@

 			}

 		}

 		if (!ok)

-		    errorf(null);

+		    errorf("%s",null);

 	}

 	if (val != NULL) {