* libgfortran.h (array_t, size0) New declarations.

[thirdparty/gcc.git] / libgfortran / intrinsics / cshift0.c

diff --git a/libgfortran/intrinsics/cshift0.c b/libgfortran/intrinsics/cshift0.c
index 5a2c8caabe4b451386f8a942e67edb1604b12b66..dd96ddf173ca4fbba84d7ee9718c521708969dbe 100644 (file)
--- a/libgfortran/intrinsics/cshift0.c
+++ b/libgfortran/intrinsics/cshift0.c
@@ -29,7 +29,7 @@ Boston, MA 02111-1307, USA.  */
    sizeof(int) < sizeof (index_type).  */
 
 static void
-__cshift0 (const gfc_array_char * ret, const gfc_array_char * array,
+__cshift0 (gfc_array_char * ret, const gfc_array_char * array,
     int shift, int which)
 {
   /* r.* indicates the return array.  */
@@ -69,6 +69,25 @@ __cshift0 (const gfc_array_char * ret, const gfc_array_char * array,
   soffset = size;
   len = 0;
 
+  if (ret->data == NULL)
+    {
+      int i;
+
+      ret->data = internal_malloc (size * size0 ((array_t *)array));
+      ret->base = 0;
+      ret->dtype = array->dtype;
+      for (i = 0; i < GFC_DESCRIPTOR_RANK (array); i++)
+        {
+          ret->dim[i].lbound = 0;
+          ret->dim[i].ubound = array->dim[i].ubound - array->dim[i].lbound;
+
+          if (i == 0)
+            ret->dim[i].stride = 1;
+          else
+            ret->dim[i].stride = (ret->dim[i-1].ubound + 1) * ret->dim[i-1].stride;
+        }
+    }
+
   for (dim = 0; dim < GFC_DESCRIPTOR_RANK (array); dim++)
     {
       if (dim == which)
@@ -153,7 +172,7 @@ __cshift0 (const gfc_array_char * ret, const gfc_array_char * array,
 
 
 void
-__cshift0_4 (const gfc_array_char * ret, const gfc_array_char * array,
+__cshift0_4 (gfc_array_char * ret, const gfc_array_char * array,
     const GFC_INTEGER_4 * pshift, const GFC_INTEGER_4 * pdim)
 {
   __cshift0 (ret, array, *pshift, pdim ? *pdim : 1);
@@ -161,7 +180,7 @@ __cshift0_4 (const gfc_array_char * ret, const gfc_array_char * array,
 
 
 void
-__cshift0_8 (const gfc_array_char * ret, const gfc_array_char * array,
+__cshift0_8 (gfc_array_char * ret, const gfc_array_char * array,
     const GFC_INTEGER_8 * pshift, const GFC_INTEGER_8 * pdim)
 {
   __cshift0 (ret, array, *pshift, pdim ? *pdim : 1);