This patch improves the handling of save files in battlestar(6), by

[bsdgames-darwin.git] / mille / varpush.c

diff --git a/mille/varpush.c b/mille/varpush.c
index d53feb6ccabd212c9ec6da29de7ba93f1f7d002d..f9a22551b12981b4efc7eb7ab9ca6cd55e4e9fc9 100644 (file)
--- a/mille/varpush.c
+++ b/mille/varpush.c
@@ -1,4 +1,4 @@
-/*     $NetBSD: varpush.c,v 1.5 1997/05/23 23:09:45 jtc Exp $  */
+/*     $NetBSD: varpush.c,v 1.6 1997/10/12 00:54:44 lukem Exp $        */
 
 /*
  * Copyright (c) 1982, 1993
@@ -33,11 +33,12 @@
  * SUCH DAMAGE.
  */
 
+#include <sys/cdefs.h>
 #ifndef lint
 #if 0
 static char sccsid[] = "@(#)varpush.c  8.1 (Berkeley) 5/31/93";
 #else
-static char rcsid[] = "$NetBSD: varpush.c,v 1.5 1997/05/23 23:09:45 jtc Exp $";
+__RCSID("$NetBSD: varpush.c,v 1.6 1997/10/12 00:54:44 lukem Exp $");
 #endif
 #endif /* not lint */
 
@@ -48,34 +49,41 @@ static char rcsid[] = "$NetBSD: varpush.c,v 1.5 1997/05/23 23:09:45 jtc Exp $";
  * @(#)varpush.c       1.1 (Berkeley) 4/1/82
  */
 
-int    read(), write();
-
 /*
  *     push variables around via the routine func() on the file
  * channel file.  func() is either read or write.
  */
+bool
 varpush(file, func)
-register int   file;
-register int   (*func)(); 
+       int     file;
+       ssize_t (*func) __P((int, const struct iovec *, int)); 
 {
+       int             temp;
+       const struct iovec vec[] = {
+               { (void *) &Debug, sizeof Debug },
+               { (void *) &Finished, sizeof Finished },
+               { (void *) &Order, sizeof Order },
+               { (void *) &End, sizeof End },
+               { (void *) &On_exit, sizeof On_exit },
+               { (void *) &Handstart, sizeof Handstart },
+               { (void *) &Numgos, sizeof Numgos },
+               { (void *) Numseen, sizeof Numseen },
+               { (void *) &Play, sizeof Play },
+               { (void *) &Window, sizeof Window },
+               { (void *) Deck, sizeof Deck },
+               { (void *) &Discard, sizeof Discard },
+               { (void *) Player, sizeof Player }
+       };
 
-       int     temp;
-
-       (*func)(file, (char *) &Debug, sizeof Debug);
-       (*func)(file, (char *) &Finished, sizeof Finished);
-       (*func)(file, (char *) &Order, sizeof Order);
-       (*func)(file, (char *) &End, sizeof End);
-       (*func)(file, (char *) &On_exit, sizeof On_exit);
-       (*func)(file, (char *) &Handstart, sizeof Handstart);
-       (*func)(file, (char *) &Numgos, sizeof Numgos);
-       (*func)(file, (char *)  Numseen, sizeof Numseen);
-       (*func)(file, (char *) &Play, sizeof Play);
-       (*func)(file, (char *) &Window, sizeof Window);
-       (*func)(file, (char *)  Deck, sizeof Deck);
-       (*func)(file, (char *) &Discard, sizeof Discard);
-       (*func)(file, (char *)  Player, sizeof Player);
-       if (func == read) {
-               read(file, (char *) &temp, sizeof temp);
+       if (((func)(file, vec, sizeof(vec) / sizeof(vec[0]))) < 0) {
+               error(strerror(errno));
+               return FALSE;
+       }
+       if (func == readv) {
+               if ((read(file, (void *) &temp, sizeof temp)) < 0) {
+                       error(strerror(errno));
+                       return FALSE;
+               }
                Topcard = &Deck[temp];
 #ifdef DEBUG
                if (Debug) {
@@ -84,16 +92,19 @@ over:
                        printf("Debug file:");
                        gets(buf);
                        if ((outf = fopen(buf, "w")) == NULL) {
-                               perror(buf);
+                               warn("%s", buf);
                                goto over;
                        }
                        if (strcmp(buf, _PATH_DEVNULL) != 0)
                                setbuf(outf, (char *)NULL);
                }
 #endif
-       }
-       else {
+       } else {
                temp = Topcard - Deck;
-               write(file, (char *) &temp, sizeof temp);
+               if ((write(file, (void *) &temp, sizeof temp)) < 0) {
+                       error(strerror(errno));
+                       return FALSE;
+               }
        }
+       return TRUE;
 }