1 files changed, 110 insertions, 0 deletions
diff --git a/libgfortran/intrinsics/hostnm.c b/libgfortran/intrinsics/hostnm.c
new file mode 100644
index 00000000000..856fccf1c8d
--- /dev/null
+++ b/libgfortran/intrinsics/hostnm.c
@@ -0,0 +1,110 @@
+/* Implementation of the HOSTNM intrinsic.
+   Copyright (C) 2005 Free Software Foundation, Inc.
+   Contributed by François-Xavier Coudert <coudert@clipper.ens.fr>
+
+This file is part of the GNU Fortran 95 runtime library (libgfortran).
+
+Libgfortran is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public
+License as published by the Free Software Foundation; either
+version 2 of the License, or (at your option) any later version.
+
+In addition to the permissions in the GNU General Public License, the
+Free Software Foundation gives you unlimited permission to link the
+compiled version of this file into combinations with other programs,
+and to distribute those combinations without any restriction coming
+from the use of this file.  (The General Public License restrictions
+do apply in other respects; for example, they cover modification of
+the file, and distribution when not linked into a combine
+executable.)
+
+Libgfortran is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public
+License along with libgfortran; see the file COPYING.  If not,
+write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+#include "config.h"
+#include "libgfortran.h"
+
+#include <errno.h>
+#include <string.h>
+
+#ifdef HAVE_UNISTD_H
+#include <unistd.h> 
+#endif
+
+#include "../io/io.h"
+
+/* SUBROUTINE HOSTNM(NAME, STATUS)
+   CHARACTER(len=*), INTENT(OUT) :: NAME
+   INTEGER, INTENT(OUT), OPTIONAL :: STATUS  */
+
+#ifdef HAVE_GETHOSTNAME
+extern void hostnm_i4_sub (char *, GFC_INTEGER_4 *, gfc_charlen_type);
+iexport_proto(hostnm_i4_sub);
+
+void
+hostnm_i4_sub (char *name, GFC_INTEGER_4 *status, gfc_charlen_type name_len)
+{
+  int val, i;
+  char *p;
+
+  memset (name, ' ', name_len);
+  p = gfc_alloca (name_len + 1);
+
+  val = gethostname (p, name_len);
+
+  if (val == 0)
+  {
+    i = -1;
+    while (i < name_len && p[++i] != '\0')
+      name[i] = p[i];
+  }
+
+  if (status != NULL) 
+    *status = (val == 0) ? 0 : errno;
+}
+iexport(hostnm_i4_sub);
+
+extern void hostnm_i8_sub (char *, GFC_INTEGER_8 *, gfc_charlen_type);
+iexport_proto(hostnm_i8_sub);
+
+void
+hostnm_i8_sub (char *name, GFC_INTEGER_8 *status, gfc_charlen_type name_len)
+{
+  int val, i;
+  char *p;
+
+  memset (name, ' ', name_len);
+  p = gfc_alloca (name_len + 1);
+
+  val = gethostname (p, name_len);
+
+  if (val == 0)
+  {
+    i = -1;
+    while (i < name_len && p[++i] != '\0')
+      name[i] = p[i];
+  }
+
+  if (status != NULL) 
+    *status = (val == 0) ? 0 : errno;
+}
+iexport(hostnm_i8_sub);
+
+extern GFC_INTEGER_4 hostnm (char *, gfc_charlen_type);
+export_proto(hostnm);
+
+GFC_INTEGER_4
+hostnm (char *name, gfc_charlen_type name_len)
+{
+  GFC_INTEGER_4 val;
+  hostnm_i4_sub (name, &val, name_len);
+  return val;
+}
+#endif