License upgrade to GPL version 3 or later

[empserver] / src / lib / commands / rea.c

diff --git a/src/lib/commands/rea.c b/src/lib/commands/rea.c
index cf58ed9905e0e497264e2aa08fd2db10f60068aa..687279678399644f09492695e584a6a626edd006 100644 (file)
--- a/src/lib/commands/rea.c
+++ b/src/lib/commands/rea.c
@@ -1,11 +1,11 @@
 /*
  *  Empire - A multi-player, client/server Internet based war game.
- *  Copyright (C) 1986-2009, Dave Pare, Jeff Bailey, Thomas Ruschak,
- *                           Ken Stevens, Steve McClure
+ *  Copyright (C) 1986-2011, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ *                Ken Stevens, Steve McClure, Markus Armbruster
  *
- *  This program is free software; you can redistribute it and/or modify
+ *  Empire 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
+ *  the Free Software Foundation, either version 3 of the License, or
  *  (at your option) any later version.
  *
  *  This program is distributed in the hope that it will be useful,
@@ -14,8 +14,7 @@
  *  GNU General Public License for more details.
  *
  *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  *
  *  ---
  *
@@ -31,11 +30,14 @@
  *     Dave Pare
  *     Doug Hay, 1998
  *     Steve McClure, 1998-2000
+ *     Ron Koenderink, 2005-2007
+ *     Markus Armbruster, 2009
  */
 
 #include <config.h>
 
 #include <ctype.h>
+#include <errno.h>
 #include <stdio.h>
 #include "commands.h"
 #include "match.h"
@@ -100,7 +102,7 @@ rea(void)
        clear_telegram_is_new(player->cnum);
     }
 
-    if ((telfp = fopen(mbox, "rb+")) == 0) {
+    if (!(telfp = fopen(mbox, "rb+"))) {
        logerror("telegram file %s", mbox);
        return RET_FAIL;
     }
@@ -200,6 +202,31 @@ rea(void)
     return RET_OK;
 }
 
+/*
+ * Print first telegram in file FNAME.
+ */
+int
+show_first_tel(char *fname)
+{
+    FILE *fp;
+    struct telstr tgm;
+
+    if ((fp = fopen(fname, "rb")) == NULL) {
+       if (errno == ENOENT)
+           return 0;
+       else {
+           logerror("Could not open %s.\n", fname);
+           return -1;
+       }
+    }
+    if (tel_read_header(fp, fname, &tgm) < 0)
+       return -1;
+    if (tel_read_body(fp, fname, &tgm, print_sink, NULL) < 0)
+       return -1;
+    fclose(fp);
+    return 0;
+}
+
 static int
 print_sink(char *chunk, size_t sz, void *arg)
 {