merge emacs-23

[bpt/emacs.git] / lib-src / fakemail.c

diff --git a/lib-src/fakemail.c b/lib-src/fakemail.c
index 2c2b462..f83c0fb 100644 (file)
--- a/lib-src/fakemail.c
+++ b/lib-src/fakemail.c
@@ -1,13 +1,16 @@
 /* sendmail-like interface to /bin/mail for system V,
-   Copyright (C) 1985, 1994, 1999, 2002, 2003, 2004,
-                 2005, 2006 Free Software Foundation, Inc.
+   Copyright (C) 1985, 1994, 1999, 2001, 2002, 2003, 2004,
+                 2005, 2006, 2007, 2008, 2009, 2010, 2011  Free Software Foundation, Inc.
+
+Author: Bill Rozas <jinx@martigny.ai.mit.edu>
+(according to ack.texi)
 
 This file is part of GNU Emacs.
 
-GNU Emacs is free software; you can redistribute it and/or modify
+GNU Emacs 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, or (at your option)
-any later version.
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
 
 GNU Emacs is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -15,18 +18,16 @@ 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 GNU Emacs; see the file COPYING.  If not, write to
-the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-Boston, MA 02110-1301, USA.  */
+along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
+
 
-#define NO_SHORTNAMES
 #define _XOPEN_SOURCE 500      /* for cuserid */
 
 #ifdef HAVE_CONFIG_H
 #include <config.h>
 #endif
 
-#if defined (BSD_SYSTEM) && !defined (BSD4_1) && !defined (USE_FAKEMAIL)
+#if defined (BSD_SYSTEM) && !defined (USE_FAKEMAIL)
 /* This program isnot used in BSD, so just avoid loader complaints.  */
 int
 main ()
@@ -53,7 +54,6 @@ main ()
 #include "ntlib.h"
 #endif
 
-#include <limits.h>
 #include <stdio.h>
 #include <string.h>
 #include <ctype.h>
@@ -71,15 +71,13 @@ main ()
 #define true 1
 #define false 0
 
-/* True if TM_YEAR is a struct tm's tm_year value that is acceptable
-   to asctime.  Glibc asctime returns a useful string unless TM_YEAR
-   is nearly INT_MAX, but the C Standard lets C libraries overrun a
-   buffer if TM_YEAR needs more than 4 bytes.  */
-#ifdef __GLIBC__
-# define TM_YEAR_IN_ASCTIME_RANGE(tm_year) ((tm_year) <= INT_MAX - 1900)
-#else
+#define TM_YEAR_BASE 1900
+
+/* Nonzero if TM_YEAR is a struct tm's tm_year value that causes
+   asctime to have well-defined behavior.  */
+#ifndef TM_YEAR_IN_ASCTIME_RANGE
 # define TM_YEAR_IN_ASCTIME_RANGE(tm_year) \
-    (-999 - 1900 <= (tm_year) && (tm_year) <= 9999 - 1900)
+    (1000 - TM_YEAR_BASE <= (tm_year) && (tm_year) <= 9999 - TM_YEAR_BASE)
 #endif
 
 /* Various lists */
@@ -178,10 +176,10 @@ error (s1, s2)
 /* Print error message and exit.  */
 
 static void
-fatal (s1, s2)
-     char *s1, *s2;
+fatal (s1)
+     char *s1;
 {
-  error (s1, s2);
+  error ("%s", s1);
   exit (EXIT_FAILURE);
 }
 
@@ -193,7 +191,7 @@ xmalloc (size)
 {
   long *result = (long *) malloc (((unsigned) size));
   if (result == ((long *) NULL))
-    fatal ("virtual memory exhausted", 0);
+    fatal ("virtual memory exhausted");
   return result;
 }
 
@@ -378,9 +376,9 @@ make_file_preface ()
      Don't use 'ctime', as that might dump core if the hardware clock
      is set to a bizarre value.  */
   tm = localtime (&idiotic_interface);
-  if (! (tm && TM_YEAR_IN_ASCTIME_RANGE (tm->tm_year)))
-    fatal ("current time is out of range", 0);
-  the_date = asctime (tm);
+  if (! (tm && TM_YEAR_IN_ASCTIME_RANGE (tm->tm_year)
+        && (the_date = asctime (tm))))
+    fatal ("current time is out of range");
   /* the_date has an unwanted newline at the end */
   date_length = strlen (the_date) - 1;
   the_date[date_length] = '\0';
@@ -697,6 +695,8 @@ read_header ()
 
     } while (true);
 
+  if (! the_header)
+    fatal ("input message has no header");
   return the_header->next;
 }
 \f