Update copyright notice

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

diff --git a/src/lib/commands/turn.c b/src/lib/commands/turn.c
index d5cfa84fc7e9372209628991eddd087f9425e5ee..dfbf1cdf9416a7ac1b994919cabf62f00c052800 100644 (file)
--- a/src/lib/commands/turn.c
+++ b/src/lib/commands/turn.c
@@ -1,11 +1,11 @@
 /*
  *  Empire - A multi-player, client/server Internet based war game.
- *  Copyright (C) 1986-2000, Dave Pare, Jeff Bailey, Thomas Ruschak,
- *                           Ken Stevens, Steve McClure
+ *  Copyright (C) 1986-2012, 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,
@@ -14,75 +14,101 @@
  *  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/>.
  *
  *  ---
  *
- *  See the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
- *  related information and legal notices. It is expected that any future
- *  projects/authors will amend these files as needed.
+ *  See files README, COPYING and CREDITS in the root of the source
+ *  tree for related information and legal notices.  It is expected
+ *  that future projects/authors will amend these files as needed.
  *
  *  ---
  *
  *  turn.c: Turn the game on, off, or set the login message.
- * 
+ *
  *  Known contributors to this file:
- *    
+ *     Marc Olzheim, 2004
+ *     Ron Koenderink, 2005-2007
+ *     Markus Armbruster, 2005-2009
  */
 
-#include "misc.h"
-#include "player.h"
+#include <config.h>
+
+#include <errno.h>
+#include <unistd.h>
+#include "game.h"
 #include "tel.h"
 #include "commands.h"
 #include "optlist.h"
 
-#include <fcntl.h>
-
 int
 turn(void)
 {
-    int fd;
+    FILE *fptr;
     struct telstr tgm;
-    register s_char *p;
-    s_char buf[MAXTELSIZE];
+    char *p;
+    char buf[1024];
+    char msgbuf[MAXTELSIZE + 1]; /* UTF-8 */
+    char *msgfilepath;
+    int len, down;
 
-    p = getstarg(player->argp[1], "on, off or message? ", buf);
+    p = getstarg(player->argp[1], "on, off or motd? ", buf);
     if (!p)
        return RET_SYN;
     if (strcmp(p, "off") == 0) {
-       (void)unlink(upfil);
-#if !defined(_WIN32)
-       fd = open(downfil, O_RDWR | O_CREAT | O_TRUNC, 0660);
-#else
-       fd = open(downfil, O_RDWR | O_CREAT | O_TRUNC | O_BINARY, 0660);
-#endif
-       pr("off ");
+       msgfilepath = downfil;
+       pr("Enter a message explaining the down time.\n");
+       len = getele("The World", msgbuf);
+       down = 1;
     } else if (strcmp(p, "on") == 0) {
-       (void)unlink(downfil);
-#if !defined(_WIN32)
-       fd = open(upfil, O_RDWR | O_CREAT | O_TRUNC, 0660);
-#else
-       fd = open(upfil, O_RDWR | O_CREAT | O_TRUNC | O_BINARY, 0660);
-#endif
-       pr("on ");
+       msgfilepath = downfil;
+       len = 0;
+       down = 0;
     } else {
-#if !defined(_WIN32)
-       fd = open(upfil, O_RDWR | O_CREAT | O_TRUNC, 0660);
-#else
-       fd = open(upfil, O_RDWR | O_CREAT | O_TRUNC | O_BINARY, 0660);
-#endif
-       pr("motd ");
+       msgfilepath = motdfil;
+       pr("Enter a new message of the day.\n");
+       len = getele("The World", msgbuf);
+       down = -1;
     }
-    (void)time(&tgm.tel_date);
-    if ((tgm.tel_length = getele("The World", buf)) <= 0) {
-       pr("Ignored\n");
-       close(fd);
-       return RET_SYN;
+
+    if (len < 0)
+       return RET_FAIL;
+    if (len == 0) {
+       if (unlink(msgfilepath) < 0 && (errno != ENOENT)) {
+           pr("Could not remove %s file.\n", msgfilepath);
+           logerror("Could not remove %s file (%s)",
+                    msgfilepath, strerror(errno));
+           return RET_FAIL;
+       }
+    } else {
+       fptr = fopen(msgfilepath, "wb");
+       if (fptr == NULL) {
+           pr("Something went wrong opening the message file.\n");
+           logerror("Could not open message file (%s).\n", msgfilepath);
+           return RET_FAIL;
+       }
+       memset(&tgm, 0, sizeof(tgm));
+       time(&tgm.tel_date);
+       tgm.tel_length = len;
+       if (fwrite(&tgm, sizeof(tgm), 1, fptr) != 1 ||
+           fwrite(msgbuf, 1, tgm.tel_length, fptr) != tgm.tel_length) {
+           fclose(fptr);
+           pr("Something went wrong writing the message file.\n");
+           logerror("Could not properly write message file (%s).\n",
+                    msgfilepath);
+           return RET_FAIL;
+       }
+       if (fclose(fptr)) {
+           pr("Something went wrong closing the message.\n");
+           logerror("Could not properly close message file (%s).\n",
+                    msgfilepath);
+           return RET_FAIL;
+       }
     }
-    (void)write(fd, (s_char *)&tgm, sizeof(tgm));
-    (void)write(fd, buf, tgm.tel_length);
-    (void)close(fd);
-    pr("\n");
+
+    if (down >= 0)
+       game_ctrl_play(!down);
+
+    /* "The game is down" will be printed automatically */
     return RET_OK;
 }