1 files changed, 138 insertions, 0 deletions
diff --git a/libgfortran/intrinsics/symlnk.c b/libgfortran/intrinsics/symlnk.c
new file mode 100644
index 00000000000..d18fe2f6929
--- /dev/null
+++ b/libgfortran/intrinsics/symlnk.c
@@ -0,0 +1,138 @@
+/* Implementation of the SYMLNK 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 "../io/io.h"
+
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+/* SUBROUTINE SYMLNK(PATH1, PATH2, STATUS)
+   CHARACTER(len=*), INTENT(IN) :: PATH1, PATH2
+   INTEGER, INTENT(OUT), OPTIONAL :: STATUS  */
+
+#ifdef HAVE_SYMLINK
+extern void symlnk_i4_sub (char *, char *, GFC_INTEGER_4 *, gfc_charlen_type,
+	                 gfc_charlen_type);
+iexport_proto(symlnk_i4_sub);
+
+void
+symlnk_i4_sub (char *path1, char *path2, GFC_INTEGER_4 *status,
+             gfc_charlen_type path1_len, gfc_charlen_type path2_len)
+{
+  int val;
+  char *str1, *str2;
+
+  /* Trim trailing spaces from paths.  */
+  while (path1_len > 0 && path1[path1_len - 1] == ' ')
+    path1_len--;
+  while (path2_len > 0 && path2[path2_len - 1] == ' ')
+    path2_len--;
+
+  /* Make a null terminated copy of the strings.  */
+  str1 = gfc_alloca (path1_len + 1);
+  memcpy (str1, path1, path1_len);
+  str1[path1_len] = '\0'; 
+
+  str2 = gfc_alloca (path2_len + 1);
+  memcpy (str2, path2, path2_len);
+  str2[path2_len] = '\0'; 
+
+  val = symlink (str1, str2);
+
+  if (status != NULL) 
+    *status = (val == 0) ? 0 : errno;
+}
+iexport(symlnk_i4_sub);
+
+extern void symlnk_i8_sub (char *, char *, GFC_INTEGER_8 *, gfc_charlen_type,
+	                 gfc_charlen_type);
+iexport_proto(symlnk_i8_sub);
+
+void
+symlnk_i8_sub (char *path1, char *path2, GFC_INTEGER_8 *status,
+             gfc_charlen_type path1_len, gfc_charlen_type path2_len)
+{
+  int val;
+  char *str1, *str2;
+
+  /* Trim trailing spaces from paths.  */
+  while (path1_len > 0 && path1[path1_len - 1] == ' ')
+    path1_len--;
+  while (path2_len > 0 && path2[path2_len - 1] == ' ')
+    path2_len--;
+
+  /* Make a null terminated copy of the strings.  */
+  str1 = gfc_alloca (path1_len + 1);
+  memcpy (str1, path1, path1_len);
+  str1[path1_len] = '\0'; 
+
+  str2 = gfc_alloca (path2_len + 1);
+  memcpy (str2, path2, path2_len);
+  str2[path2_len] = '\0'; 
+
+  val = symlink (str1, str2);
+
+  if (status != NULL) 
+    *status = (val == 0) ? 0 : errno;
+}
+iexport(symlnk_i8_sub);
+
+extern GFC_INTEGER_4 symlnk_i4 (char *, char *, gfc_charlen_type,
+	                      gfc_charlen_type);
+export_proto(symlnk_i4);
+
+GFC_INTEGER_4
+symlnk_i4 (char *path1, char *path2, gfc_charlen_type path1_len,
+         gfc_charlen_type path2_len)
+{
+  GFC_INTEGER_4 val;
+  symlnk_i4_sub (path1, path2, &val, path1_len, path2_len);
+  return val;
+}
+
+extern GFC_INTEGER_8 symlnk_i8 (char *, char *, gfc_charlen_type,
+	                      gfc_charlen_type);
+export_proto(symlnk_i8);
+
+GFC_INTEGER_8
+symlnk_i8 (char *path1, char *path2, gfc_charlen_type path1_len,
+	 gfc_charlen_type path2_len)
+{
+  GFC_INTEGER_8 val;
+  symlnk_i8_sub (path1, path2, &val, path1_len, path2_len);
+  return val;
+}
+#endif