2005-07-07 Thomas Koenig <Thomas.Koenig@online.de>

[pf3gnuchains/gcc-fork.git] / libgfortran / intrinsics / eoshift0.c

diff --git a/libgfortran/intrinsics/eoshift0.c b/libgfortran/intrinsics/eoshift0.c
index b1fbd1a..6152e9f 100644 (file)
--- a/libgfortran/intrinsics/eoshift0.c
+++ b/libgfortran/intrinsics/eoshift0.c
@@ -131,10 +131,19 @@ eoshift0 (gfc_array_char * ret, const gfc_array_char * array,
   sstride0 = sstride[0];
   rptr = ret->data;
   sptr = array->data;
-  if (shift > 0)
-    len = len - shift;
+
+  if ((shift >= 0 ? shift : -shift) > len)
+    {
+      shift = len;
+      len = 0;
+    }
   else
-    len = len + shift;
+    {
+      if (shift > 0)
+       len = len - shift;
+      else
+       len = len + shift;
+    }
 
   while (rptr)
     {