use NULL instead of (~ 0) in class linked-list

git-svn-id: http://opensvn.csie.org/pttbbs/trunk/pttbbs@1092 63ad8ddf-47c3-0310-b6dd-a9e9d9715204

4 files changed, 11 insertions, 14 deletions

diff --git a/mbbsd/board.c b/mbbsd/board.c
index 5307fa04..eb6a13d4 100644
--- a/mbbsd/board.c
+++ b/mbbsd/board.c
@@ -704,9 +704,9 @@ load_uidofgid(const int gid, const int type)
     }
     bcache[gid - 1].childcount = childcount;
     if (currbptr == &bcache[gid - 1])
-	currbptr->firstchild[type] = (boardheader_t *) ~ 0;
+	currbptr->firstchild[type] = NULL;
     else
-	currbptr->next[type] = (boardheader_t *) ~ 0;
+	currbptr->next[type] = NULL;
 }
 
 static boardstat_t *
@@ -826,7 +826,7 @@ load_boards(char *key)
     } else {
 	int     childcount = bptr->childcount;
 	nbrd = (boardstat_t *) malloc(childcount * sizeof(boardstat_t));
-	for (bptr = bptr->firstchild[type]; bptr != (boardheader_t *) ~ 0;
+	for (bptr = bptr->firstchild[type]; bptr != NULL;
 	     bptr = bptr->next[type]) {
 	    n = (int)(bptr - bcache);
 	    if (!((state = Ben_Perm(bptr)) || (currmode & MODE_MENU))
diff --git a/util/boardlist.c b/util/boardlist.c
index 42fd707a..4c338328 100644
--- a/util/boardlist.c
+++ b/util/boardlist.c
@@ -1,4 +1,4 @@
-/* $Id: boardlist.c,v 1.4 2003/07/21 09:27:16 in2 Exp $ */
+/* $Id$ */
 /* 這是用來將樹狀分類輸出成 perl module (可以給像是 man/ 使用) */
 #include "bbs.h"
 
@@ -25,9 +25,9 @@ load_uidofgid(const int gid, const int type)
     }
     bcache[gid - 1].childcount = childcount;
     if (currbptr == &bcache[gid - 1])
-	currbptr->firstchild[type] = (boardheader_t *) ~ 0;
+	currbptr->firstchild[type] = NULL;
     else
-	currbptr->next[type] = (boardheader_t *) ~ 0;
+	currbptr->next[type] = NULL;
 }
 
 char *skipEscape(char *s)
@@ -52,8 +52,7 @@ void dumpclass(int bid)
     if (bptr->firstchild[0] == NULL || bptr->childcount <= 0)
 	load_uidofgid(bid + 1, 0); /* 因為這邊 bid從 0開始, 所以再 +1 回來 */
     printf("    %5d => [\n", bid);
-    for (bptr = bptr->firstchild[0]; bptr != (boardheader_t *) ~ 0;
-	 bptr = bptr->next[0]) {
+    for (bptr = bptr->firstchild[0]; bptr != NULL ; bptr = bptr->next[0]) {
 	if( (bptr->brdattr & (BRD_HIDE | BRD_TOP)) ||
 	    (bptr->level && !(bptr->brdattr & BRD_POSTMASK) &&
 	     (bptr->level & 
@@ -75,8 +74,7 @@ void dumpclass(int bid)
     printf("     ],\n");
 
     bptr = &bcache[bid];
-    for (bptr = bptr->firstchild[0]; bptr != (boardheader_t *) ~ 0;
-	 bptr = bptr->next[0]) {
+    for (bptr = bptr->firstchild[0]; bptr != NULL ; bptr = bptr->next[0]) {
 	if( (bptr->brdattr & (BRD_HIDE | BRD_TOP)) ||
 	    (bptr->level && !(bptr->brdattr & BRD_POSTMASK) &&
 	     (bptr->level & 
diff --git a/util/shmctl.c b/util/shmctl.c
index 382a823b..1eb33bd1 100644
--- a/util/shmctl.c
+++ b/util/shmctl.c
@@ -1,4 +1,4 @@
-/* $Id: shmctl.c,v 1.45 2003/07/20 00:55:34 in2 Exp $ */
+/* $Id$ */
 #include "bbs.h"
 #include <sys/wait.h>
 
@@ -462,8 +462,7 @@ void buildclass(int bid, int level)
     if (bptr->firstchild[1] == NULL || bptr->childcount <= 0)
         load_uidofgid(bid + 1, 1); /* 因為這邊 bid從 0開始, 所以再 +1 回來 */
 
-    for (bptr = bptr->firstchild[0]; bptr != (boardheader_t *) ~ 0;
-         bptr = bptr->next[0]) {
+    for (bptr = bptr->firstchild[0]; bptr != NULL ; bptr = bptr->next[0]) {
 	if( bptr->brdattr & BRD_GROUPBOARD )
             buildclass(bptr - bcache, level + 1);
     }
diff --git a/util/toplazyBM.c b/util/toplazyBM.c
index 5dc9a3df..55267927 100644
--- a/util/toplazyBM.c
+++ b/util/toplazyBM.c
@@ -1,4 +1,4 @@
-/* $Id: toplazyBM.c,v 1.18 2003/07/20 00:55:34 in2 Exp $ */
+/* $Id$ */
 #define _UTIL_C_
 #include "bbs.h"
 #define OUTFILE  BBSHOME "/etc/toplazyBM"