2006-03-22 Thomas Koenig <Thomas.Koenig@onlien.de>

	PR fortran/19303
	* gfortran.h (gfc_option_t):  Add record_marker.
	* lang.opt:  Add -frecord-marker=4 and -frecord-marker=8.
	* trans-decl.c:  Add gfor_fndecl_set_record_marker.
	(gfc_build_builtin_function_decls): Set
	gfor_fndecl_set_record_marker.
	(gfc_generate_function_code):  If we are in the main program
	and -frecord-marker was provided, call set_record_marker.
	* options.c (gfc_handle_option):  Add handling for
	-frecord-marker=4 and -frecord-marker=8.
	* invoke.texi:  Document -frecord-marker.

2006-03-22  Thomas Koenig  <Thomas.Koenig@onlien.de>

	PR fortran/19303
	* libgfortran.h (compile_options_t):  Add record_marker.
	* runtime/compile_options.c (set_record_marker):
	New function.
	* io/open.c:  If we have four-byte record markers, use
	GFC_INTEGER_4_HUGE as default record length.
	* io/file_pos.c (unformatted_backspace):  Handle
	different size record markers.
	* io/transfer.c (us_read):  Likewise.
	(us_write):  Likewise.
	(next_record_r):  Likewise.
	(write_us_marker):  Likewise.
	(next_record_w):  Likewise.

2006-03-22  Thomas Koenig  <Thomas.Koenig@online.de>

	PR fortran/19303
	* gfortran.dg/record_marker_1.f90:  New test case.
	* gfortran.dg/record_marker_2.f:  New test case.
	* gfortran.dg/record_marker_3.f90:  New test case.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@112290 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 26 insertions, 0 deletions

diff --git a/libgfortran/runtime/compile_options.c b/libgfortran/runtime/compile_options.c
index ce5e52a34da..fb6ac509f13 100644
--- a/libgfortran/runtime/compile_options.c
+++ b/libgfortran/runtime/compile_options.c
@@ -74,3 +74,29 @@ set_convert (int conv)
 {
   compile_options.convert = conv;
 }
+
+extern void set_record_marker (int);
+export_proto (set_record_marker);
+
+
+void
+set_record_marker (int val)
+{
+
+  switch(val)
+    {
+    case 4:
+      if (sizeof (GFC_INTEGER_4) != sizeof (gfc_offset))
+	compile_options.record_marker = sizeof (GFC_INTEGER_4);
+      break;
+
+    case 8:
+      if (sizeof (GFC_INTEGER_8) != sizeof (gfc_offset))
+	compile_options.record_marker = sizeof (GFC_INTEGER_8);
+      break;
+
+    default:
+      runtime_error ("Invalid value for record marker");
+      break;
+    }
+}