re PR libfortran/25289 (Cannot handle record numbers large than huge(0_4))

2006-07-23  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libgfortran/25289
	* libgfortran.h: Add conditional definition of GFC_LARGE_IO_INT type.
	* io/io.h (st_parameter_dt): Define rec as type GFC_LARGE_IO_INT.

From-SVN: r115698

libgfortran/ChangeLog

+2006-07-23  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
+
+	PR libgfortran/25289
+	* libgfortran.h: Add conditional definition of GFC_LARGE_IO_INT type.
+	* io/io.h (st_parameter_dt): Define rec as type GFC_LARGE_IO_INT.
+
 2006-07-21  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 
 	PR libgfortran/28339

libgfortran/io/io.h

@@ -351,7 +351,7 @@ struct format_data;
 typedef struct st_parameter_dt
 {
   st_parameter_common common;
-  GFC_INTEGER_4 rec;
+  GFC_LARGE_IO_INT rec;
   GFC_INTEGER_4 *size, *iolength;
   gfc_array_char *internal_unit_desc;
   CHARACTER1 (format);

libgfortran/libgfortran.h

@@ -196,6 +196,18 @@ typedef off_t gfc_offset;
 
 #include "kinds.h"
 
+/* Define the type used for the current record number for large file I/O.
+   The size must be consistent with the size defined on the compiler side.  */
+#ifdef HAVE_GFC_INTEGER_8
+typedef GFC_INTEGER_8 GFC_LARGE_IO_INT;
+#else
+#ifdef HAVE_GFC_INTEGER_4
+typedef GFC_INTEGER_4 GFC_LARGE_IO_INT;
+#else
+#error "GFC_INTEGER_4 should be available for the library to compile".
+#endif
+#endif
+
 /* The following two definitions must be consistent with the types used
    by the compiler.  */
 /* The type used of array indices, amongst other things.  */