% is escaped with more %, not backslash.

diff --git a/lib/libc/stdio/vfprintf.c b/lib/libc/stdio/vfprintf.c
index 9865c1e..1b49751 100644 (file)
--- a/lib/libc/stdio/vfprintf.c
+++ b/lib/libc/stdio/vfprintf.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: vfprintf.c,v 1.74 2016/08/17 18:07:07 deraadt Exp $   */
+/*     $OpenBSD: vfprintf.c,v 1.75 2016/08/17 22:15:08 tedu Exp $      */
 /*-
  * Copyright (c) 1990 The Regents of the University of California.
  * All rights reserved.
@@ -862,7 +862,7 @@ fp_common:
                                        int save_errno = errno;
 
                                        syslog_r(LOG_CRIT | LOG_CONS, &sdata,
-                                           "vfprintf \%ls NULL in \"%s\"", fmt0);
+                                           "vfprintf %%ls NULL in \"%s\"", fmt0);
                                        errno = save_errno;
 
                                        cp = "(null)";
@@ -881,7 +881,7 @@ fp_common:
                                int save_errno = errno;
 
                                syslog_r(LOG_CRIT | LOG_CONS, &sdata,
-                                   "vfprintf \%s NULL in \"%s\"", fmt0);
+                                   "vfprintf %%s NULL in \"%s\"", fmt0);
                                errno = save_errno;
 
                                cp = "(null)";

diff --git a/lib/libc/stdio/vfwprintf.c b/lib/libc/stdio/vfwprintf.c
index e65dddc..f59a4d5 100644 (file)
--- a/lib/libc/stdio/vfwprintf.c
+++ b/lib/libc/stdio/vfwprintf.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: vfwprintf.c,v 1.16 2016/08/17 18:07:07 deraadt Exp $ */
+/*     $OpenBSD: vfwprintf.c,v 1.17 2016/08/17 22:15:08 tedu Exp $ */
 /*-
  * Copyright (c) 1990 The Regents of the University of California.
  * All rights reserved.
@@ -822,7 +822,7 @@ fp_common:
                                        int save_errno = errno;
 
                                        syslog_r(LOG_CRIT | LOG_CONS, &sdata,
-                                           "vfwprintf \%ls NULL in \"%s\"", fmt0);
+                                           "vfwprintf %%ls NULL in \"%s\"", fmt0);
                                        errno = save_errno;
 
                                        cp = L"(null)";
@@ -834,7 +834,7 @@ fp_common:
                                        int save_errno = errno;
 
                                        syslog_r(LOG_CRIT | LOG_CONS, &sdata,
-                                           "vfwprintf \%s NULL in \"%s\"", fmt0);
+                                           "vfwprintf %%s NULL in \"%s\"", fmt0);
                                        errno = save_errno;
 
                                        mbsarg = "(null)";