From e1aa1603e598277c4c0cb560ac068ac79c4dc2eb Mon Sep 17 00:00:00 2001
From: solar <unknown>
Date: Thu, 1 Oct 2009 05:44:07 +0000
Subject: [PATCH] Proper handling of NULL return code.

---
 functions/stdio/vfscanf.c | 5 +++++
 functions/stdio/vsscanf.c | 5 +++++
 2 files changed, 10 insertions(+)

diff --git a/functions/stdio/vfscanf.c b/functions/stdio/vfscanf.c
index eda4226..0667c99 100644
--- a/functions/stdio/vfscanf.c
+++ b/functions/stdio/vfscanf.c
@@ -59,6 +59,11 @@ int vfscanf( FILE * _PDCLIB_restrict stream, const char * _PDCLIB_restrict forma
         }
         else
         {
+            /* NULL return code indicates matching error */
+            if ( rc == NULL )
+            {
+                break;
+            }
             /* Continue parsing after conversion specifier */
             format = rc;
         }
diff --git a/functions/stdio/vsscanf.c b/functions/stdio/vsscanf.c
index 34397ac..f33b8c4 100644
--- a/functions/stdio/vsscanf.c
+++ b/functions/stdio/vsscanf.c
@@ -59,6 +59,11 @@ int vsscanf( const char * _PDCLIB_restrict s, const char * _PDCLIB_restrict form
         }
         else
         {
+            /* NULL return code indicates matching error */
+            if ( rc == NULL )
+            {
+                break;
+            }
             /* Continue parsing after conversion specifier */
             format = rc;
         }
-- 
2.40.0