diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index dc155fa1574..d8a2d3ee790 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,9 @@
+2010-03-20  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
+
+	PR fortran/43409
+	* ioparm.def: Change inquire size variable to type pointer to
+	GFC_IO_INT type.
+
 2010-03-18  Paul Thomas  <pault@gcc.gnu.org>
 
         PR fortran/43039
diff --git a/gcc/fortran/ioparm.def b/gcc/fortran/ioparm.def
index 7de7a5101dc..ba1ba232b44 100644
--- a/gcc/fortran/ioparm.def
+++ b/gcc/fortran/ioparm.def
@@ -85,7 +85,7 @@ IOPARM (inquire, encoding,	1 << 2,  char1)
 IOPARM (inquire, round,		1 << 3,  char2)
 IOPARM (inquire, sign,		1 << 4,  char1)
 IOPARM (inquire, pending,	1 << 5,  pint4)
-IOPARM (inquire, size,		1 << 6,  pint4)
+IOPARM (inquire, size,		1 << 6,  pintio)
 IOPARM (inquire, id,		1 << 7,  pint4)
 IOPARM (wait,    common,	0,	 common)
 IOPARM (wait,    id,		1 << 7,  pint4)
diff --git a/libgfortran/ChangeLog b/libgfortran/ChangeLog
index 6f2198b48ad..7a80556532c 100644
--- a/libgfortran/ChangeLog
+++ b/libgfortran/ChangeLog
@@ -1,7 +1,15 @@
+2010-03-20  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
+
+	PR fortran/43409
+	* io/unix.h: Add prototype for new function to return file size.
+	* io/unix.c (file_size): New function.
+	* io/inquire.c (inquire_via_unit): Use new function.
+	(inquire_via_filename): Use new function.
+
 2010-03-17  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 
 	* io/transfer.c (read_sf_internal): Remove stray function declaration
-	used during debigging.
+	used during debugging.
 
 2010-03-17  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 
diff --git a/libgfortran/io/inquire.c b/libgfortran/io/inquire.c
index c36b9e5fa69..cd44c04251e 100644
--- a/libgfortran/io/inquire.c
+++ b/libgfortran/io/inquire.c
@@ -371,6 +371,14 @@ inquire_via_unit (st_parameter_inquire *iqp, gfc_unit * u)
 
 	  cf_strcpy (iqp->round, iqp->round_len, p);
 	}
+
+      if ((cf2 & IOPARM_INQUIRE_HAS_SIZE) != 0)
+	{
+	  if (u == NULL)
+	    *iqp->size = -1;
+	  else
+	    *iqp->size = file_size (u->file, (gfc_charlen_type) u->file_len);
+	}
     }
 
   if ((cf & IOPARM_INQUIRE_HAS_POSITION) != 0)
@@ -601,6 +609,9 @@ inquire_via_filename (st_parameter_inquire *iqp)
   
       if ((cf2 & IOPARM_INQUIRE_HAS_ENCODING) != 0)
 	cf_strcpy (iqp->encoding, iqp->encoding_len, undefined);
+
+      if ((cf2 & IOPARM_INQUIRE_HAS_SIZE) != 0)
+	*iqp->size = file_size (iqp->file, iqp->file_len);
     }
 
   if ((cf & IOPARM_INQUIRE_HAS_POSITION) != 0)
diff --git a/libgfortran/io/unix.c b/libgfortran/io/unix.c
index bd2b6594d52..4435674b46d 100644
--- a/libgfortran/io/unix.c
+++ b/libgfortran/io/unix.c
@@ -1475,6 +1475,22 @@ file_exists (const char *file, gfc_charlen_type file_len)
 }
 
 
+/* file_size()-- Returns the size of the file.  */
+
+GFC_IO_INT
+file_size (const char *file, gfc_charlen_type file_len)
+{
+  char path[PATH_MAX + 1];
+  gfstat_t statbuf;
+
+  if (unpack_filename (path, file, file_len))
+    return -1;
+
+  if (stat (path, &statbuf) < 0)
+    return -1;
+
+  return (GFC_IO_INT) statbuf.st_size;
+}
 
 static const char yes[] = "YES", no[] = "NO", unknown[] = "UNKNOWN";
 
diff --git a/libgfortran/io/unix.h b/libgfortran/io/unix.h
index e691982e505..e567fdfe205 100644
--- a/libgfortran/io/unix.h
+++ b/libgfortran/io/unix.h
@@ -121,6 +121,9 @@ internal_proto(delete_file);
 extern int file_exists (const char *file, gfc_charlen_type file_len);
 internal_proto(file_exists);
 
+extern GFC_IO_INT file_size (const char *file, gfc_charlen_type file_len);
+internal_proto(file_size);
+
 extern const char *inquire_sequential (const char *, int);
 internal_proto(inquire_sequential);