Module Name:    src
Committed By:   joerg
Date:           Thu Jul 13 15:46:26 UTC 2017

Modified Files:
        src/lib/libc/citrus: citrus_none.c

Log Message:
Redo previous: catch NULL pointer earlier, check for empty string
latter.


To generate a diff of this commit:
cvs rdiff -u -r1.20 -r1.21 src/lib/libc/citrus/citrus_none.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/lib/libc/citrus/citrus_none.c
diff -u src/lib/libc/citrus/citrus_none.c:1.20 src/lib/libc/citrus/citrus_none.c:1.21
--- src/lib/libc/citrus/citrus_none.c:1.20	Thu Jul 13 15:44:45 2017
+++ src/lib/libc/citrus/citrus_none.c	Thu Jul 13 15:46:26 2017
@@ -1,4 +1,4 @@
-/*	$NetBSD: citrus_none.c,v 1.20 2017/07/13 15:44:45 joerg Exp $	*/
+/*	$NetBSD: citrus_none.c,v 1.21 2017/07/13 15:46:26 joerg Exp $	*/
 
 /*-
  * Copyright (c)2002 Citrus Project,
@@ -28,7 +28,7 @@
 
 #include <sys/cdefs.h>
 #if defined(LIBC_SCCS) && !defined(lint)
-__RCSID("$NetBSD: citrus_none.c,v 1.20 2017/07/13 15:44:45 joerg Exp $");
+__RCSID("$NetBSD: citrus_none.c,v 1.21 2017/07/13 15:46:26 joerg Exp $");
 #endif /* LIBC_SCCS and not lint */
 
 #include <assert.h>
@@ -513,7 +513,7 @@ _citrus_NONE_stdenc_mbtowc(struct _citru
 			   void * __restrict pspriv,
 			   size_t * __restrict nresult)
 {
-	if (s == NULL) {
+	if (s == NULL || *s == NULL) {
 		*nresult = 0;
 		return (0);
 	}
@@ -525,7 +525,7 @@ _citrus_NONE_stdenc_mbtowc(struct _citru
 	if (pwc != NULL)
 		*pwc = (_wc_t)(unsigned char) **s;
 
-	*nresult = *s == NULL ? 0 : 1;
+	*nresult = **s == '\0' ? 0 : 1;
 	return (0);
 }
 

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