* intrinsic.c (add_functions): Add ctime and fdate intrinsics.

	(add_subroutines): Likewise.
	* intrinsic.h: Prototypes for gfc_check_ctime,
	gfc_check_ctime_sub, gfc_check_fdate_sub, gfc_resolve_ctime,
	gfc_resolve_fdate, gfc_resolve_ctime_sub, gfc_resolve_fdate_sub.
	* gfortran.h: Add GFC_ISYM_CTIME and GFC_ISYM_FDATE.
	* iresolve.c (gfc_resolve_ctime, gfc_resolve_fdate,
	gfc_resolve_ctime_sub, gfc_resolve_fdate_sub): New functions.
	* trans-decl.c (gfc_build_intrinsic_function_decls): Add
	gfor_fndecl_fdate and gfor_fndecl_ctime.
	* check.c (gfc_check_ctime, gfc_check_ctime_sub,
	gfc_check_fdate_sub): New functions.
	* trans-intrinsic.c (gfc_conv_intrinsic_ctime,
	gfc_conv_intrinsic_fdate): New functions.
	(gfc_conv_intrinsic_function): Add cases for GFC_ISYM_CTIME
	and GFC_ISYM_FDATE.
	* intrinsic.texi: Documentation for the new CTIME and FDATE
	intrinsics.
	* trans.h: Declarations for gfor_fndecl_ctime and gfor_fndecl_fdate.

	* intrinsics/ctime.c: New file.
	* configure.ac: Add check for ctime.
	* Makefile.am: Add ctime.c
	* configure: Regenerate.
	* config.h.in: Regenerate.
	* Makefile.in: Regenerate.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@106558 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 160 insertions, 0 deletions

diff --git a/libgfortran/intrinsics/ctime.c b/libgfortran/intrinsics/ctime.c
new file mode 100644
index 00000000000..1499fd970e4
--- /dev/null
+++ b/libgfortran/intrinsics/ctime.c
@@ -0,0 +1,160 @@
+/* Implementation of the CTIME and FDATE g77 intrinsics.
+   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., 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA.  */
+
+#include "config.h"
+#include "libgfortran.h"
+
+#ifdef TIME_WITH_SYS_TIME
+#  include <sys/time.h>
+#  include <time.h>
+#else
+#  if HAVE_SYS_TIME_H
+#    include <sys/time.h>
+#  else
+#    ifdef HAVE_TIME_H
+#      include <time.h>
+#    endif
+#  endif
+#endif
+
+#include <string.h>
+
+
+extern void fdate (char **, gfc_charlen_type *);
+export_proto(fdate);
+
+void
+fdate (char ** date, gfc_charlen_type * date_len)
+{
+#if defined(HAVE_TIME) && defined(HAVE_CTIME)
+  int i;
+  time_t now = time(NULL);
+  *date = ctime (&now);
+  if (*date != NULL)
+    {
+      *date = strdup (*date);
+      *date_len = strlen (*date);
+
+      i = 0;
+      while ((*date)[i])
+       {
+         if ((*date)[i] == '\n')
+           (*date)[i] = ' ';
+         i++;
+       }
+      return;
+    }
+#endif
+
+  *date = NULL;
+  *date_len = 0;
+}
+
+
+extern void fdate_sub (char *, gfc_charlen_type);
+export_proto(fdate_sub);
+
+void
+fdate_sub (char * date, gfc_charlen_type date_len)
+{
+#if defined(HAVE_TIME) && defined(HAVE_CTIME)
+  int i;
+  char *d;
+  time_t now = time(NULL);
+#endif
+  
+  memset (date, ' ', date_len);
+#if defined(HAVE_TIME) && defined(HAVE_CTIME)
+  d = ctime (&now);
+  if (d != NULL)
+    {
+      i = 0;
+      while (*d && *d != '\n' && i < date_len)
+       date[i++] = *(d++);
+    }
+#endif
+}
+
+
+
+extern void PREFIX(ctime) (char **, gfc_charlen_type *, GFC_INTEGER_8);
+export_proto_np(PREFIX(ctime));
+
+void
+PREFIX(ctime) (char ** date, gfc_charlen_type * date_len, GFC_INTEGER_8 t)
+{
+#if defined(HAVE_CTIME)
+  time_t now = t;
+  int i;
+  *date = ctime (&now);
+  if (*date != NULL)
+    {
+      *date = strdup (*date);
+      *date_len = strlen (*date);
+
+      i = 0;
+      while ((*date)[i])
+       {
+         if ((*date)[i] == '\n')
+           (*date)[i] = ' ';
+         i++;
+       }
+      return;
+    }
+#endif
+
+  *date = NULL;
+  *date_len = 0;
+}
+
+
+extern void ctime_sub (GFC_INTEGER_8 *, char *, gfc_charlen_type);
+export_proto(ctime_sub);
+
+void
+ctime_sub (GFC_INTEGER_8 * t, char * date, gfc_charlen_type date_len)
+{
+#if defined(HAVE_CTIME)
+  int i;
+  char *d;
+  time_t now = *t;
+#endif
+  
+  memset (date, ' ', date_len);
+#if defined(HAVE_CTIME)
+  d = ctime (&now);
+  if (d != NULL)
+    {
+      i = 0;
+      while (*d && *d != '\n' && i < date_len)
+       date[i++] = *(d++);
+    }
+#endif
+}