* check.c (gfc_check_getcwd_sub): Fix seg fault.

	* check.c (gfc_check_exit,gfc_check_umask,gfc_check_umask_sub,
	gfc_check_unlink,gfc_check_unlink_sub): New functions
	* gfortran.h (GFC_ISYM_UMASK,GFC_ISYM_UNLINK): New symbols
	* intrinsic.c (add_functions,add_subroutines): Add umask, unlink,
	exit to intrinsics symbol tables.
	* intrinsic.h (gfc_check_umask,gfc_check_unlink,gfc_check_exit,
	gfc_check_umask_sub,gfc_check_unlink_sub,gfc_resolve_umask,
	gfc_resolve_unlink,gfc_resolve_exit,gfc_resolve_umask_sub,
	gfc_resolve_unlink_sub): Add and sort prototypes.
	* iresolve.c (gfc_resolve_umask,gfc_resolve_unlink,gfc_resolve_exit,
	gfc_resolve_umask_sub,gfc_resolve_unlink_sub): New functions
	* trans-intrinsic.c (gfc_conv_intrinsic_function): Use symbols

libgfortran/
	* Makefile.am: Add intrinsics/{umask.c,unlink.c,exit.c}
	* Makefile.in: Regenerated
	* intrinsics/umask.c: New file
	* intrinsics/unlink.c: ditto
	* intrinsics/exit.c: ditto


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@90949 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 85 insertions, 0 deletions

diff --git a/libgfortran/intrinsics/unlink.c b/libgfortran/intrinsics/unlink.c
new file mode 100644
index 00000000000..11c35099a90
--- /dev/null
+++ b/libgfortran/intrinsics/unlink.c
@@ -0,0 +1,85 @@
+/* Implementation of the UNLINK intrinsic.
+   Copyright (C) 2004 Free Software Foundation, Inc.
+   Contributed by Steven G. Kargl <kargls@comcast.net>.
+
+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 Lesser General Public
+License as published by the Free Software Foundation; either
+version 2.1 of the License, or (at your option) any later version.
+
+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 Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with libgfor; see the file COPYING.LIB.  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"
+
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#ifdef HAVE_STRING_H
+#include <string.h>
+#endif
+
+#include <errno.h>
+
+/* SUBROUTINE UNLINK(NAME, STATUS)
+   CHARACTER(LEN= ), INTENT(IN) :: NAME
+   INTEGER, INTENT(OUT), OPTIONAL :: STATUS)  */
+
+void
+prefix(unlink_i4_sub) (char * name, GFC_INTEGER_4 * status,
+		       gfc_charlen_type name_len)
+{
+
+  char *str, *s;
+  GFC_INTEGER_4 stat;
+
+  /* Trim trailing spaces from name.  */
+  while (name_len > 0 && name[name_len - 1] == ' ')
+    name_len--;
+
+  /* Make a null terminated copy of the string.  */
+  str = gfc_alloca (name_len + 1);
+  memcpy (str, name, name_len);
+  str[name_len] = '\0'; 
+
+  stat = unlink (str);
+
+  if (status != NULL) 
+    *status = (stat == 0) ? stat : errno;
+}
+
+
+void
+prefix(unlink_i8_sub) (char * name, GFC_INTEGER_8 * status,
+		               gfc_charlen_type name_len)
+{
+
+  GFC_INTEGER_4 status4;
+
+  prefix (unlink_i4_sub) (name, &status4, name_len);
+  if (status)
+    *status = status4;
+}
+
+
+/* INTEGER FUNCTION UNLINK(NAME)
+   CHARACTER(LEN= ), INTENT(IN) :: NAME  */
+
+GFC_INTEGER_4
+prefix(unlink) (char * name, gfc_charlen_type name_len)
+{
+  GFC_INTEGER_4 status;
+  prefix(unlink_i4_sub) (name, &status, name_len);
+  return status;
+}
+