[Bug fortran/52724] Internal read with character(kind=4) data

[tkoenig at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52724



--- Comment #5 from Thomas Koenig <tkoenig at gcc dot gnu.org> 2012-09-24 
18:07:17 UTC ---

This patch looks promising:



Index: list_read.c

===================================================================

--- list_read.c (Revision 191649)

+++ list_read.c (Arbeitskopie)

@@ -199,9 +199,16 @@ next_char (st_parameter_dt *dtp)



   if (is_internal_unit (dtp))

     {

-      char cc;

-      length = sread (dtp->u.p.current_unit->s, &cc, 1);

-      c = cc;

+      /* Check for kind=4 internal unit.  */

+      if (dtp->common.unit)

+       length = sread (dtp->u.p.current_unit->s, &c, sizeof (gfc_char4_t));

+      else

+       {

+         char cc;

+         length = sread (dtp->u.p.current_unit->s, &cc, 1);

+         c = cc;

+       }

+

       if (length < 0)

        {

          generate_error (&dtp->common, LIBERROR_OS, NULL);

Index: unix.c

===================================================================

--- unix.c      (Revision 191649)

+++ unix.c      (Arbeitskopie)

@@ -959,7 +959,7 @@ open_internal4 (char *base, int length, gfc_offset

   s->buffer = base;

   s->buffer_offset = offset;



-  s->active = s->file_length = length;

+  s->active = s->file_length = length * sizeof (gfc_char4_t);



   s->st.vptr = &mem4_vtable;