From 606adda410e73e1e3bc69b97f7544298f886ccd2 Mon Sep 17 00:00:00 2001
From: victor <victor@63ad8ddf-47c3-0310-b6dd-a9e9d9715204>
Date: Mon, 15 Nov 2004 16:04:18 +0000
Subject: fix redraw problem when calling thread() thanks ledia.bbs@ptt2

git-svn-id: http://opensvn.csie.org/pttbbs/trunk/pttbbs@2325 63ad8ddf-47c3-0310-b6dd-a9e9d9715204
---
 mbbsd/read.c | 27 ++++++++++++++-------------
 1 file changed, 14 insertions(+), 13 deletions(-)

diff --git a/mbbsd/read.c b/mbbsd/read.c
index 5350277d..6f889855 100644
--- a/mbbsd/read.c
+++ b/mbbsd/read.c
@@ -262,24 +262,29 @@ cursor_pos(keeploc_t * locmem, int val, int from_top, int isshow)
     return isshow ? PARTUPDATE : HEADERS_RELOAD;
 }
 
+/* 根據 stypen 選擇上/下一篇文章 */
 static int
 thread(keeploc_t * locmem, int stypen)
 {
     fileheader_t fh;
     int     pos = locmem->crs_ln, jump = 200, new_ln;
-    int     fd = -1, step = stypen & RS_FORWARD ? 1 : -1, amatch = -1;
-    char    *key = 
-	(stypen & RS_AUTHOR ? headers[pos - locmem->top_ln].owner :
-	 (subject( stypen & RS_CURRENT ?
-		   currtitle :
-		   headers[pos - locmem->top_ln].title )));
+    int     fd = -1, amatch = -1;
+    int     step = (stypen == RS_FORWARD) ? 1 : -1;
+    char    *key;
+    
+    if (stypen == RS_AUTHOR)
+	key = headers[pos - locmem->top_ln].owner;
+    else if (stypen == RS_CURRENT)
+     	subject(currtitle);
+    else
+	subject(headers[pos - locmem->top_ln].title );
 
     for( new_ln = pos + step ;
 	 new_ln > 0 && new_ln <= last_line && --jump > 0;
 	 new_ln += step ) {
 	get_record_keep(currdirect, &fh, sizeof(fileheader_t), new_ln, &fd);
-        if( stypen & RS_TITLE ){
-            if( stypen & RS_FIRST ){
+        if( stypen == RS_TITLE ){
+            if( stypen == RS_FIRST ){
 		if( !strncmp(fh.title, key, PROPER_TITLE_LEN) )
 		    break;
 		else if( !strncmp(&fh.title[4], key, PROPER_TITLE_LEN) )
@@ -288,7 +293,7 @@ thread(keeploc_t * locmem, int stypen)
             else if( !strncmp(subject(fh.title), key, PROPER_TITLE_LEN) )
 		break;
 	}
-        else if( stypen & RS_NEWPOST ){
+        else if( stypen == RS_NEWPOST ){
             if( strncmp(fh.title, "Re:", 3) )
 		break;
 	}
@@ -301,10 +306,6 @@ thread(keeploc_t * locmem, int stypen)
 	close(fd);
     if( jump <= 0 || new_ln <= 0 || new_ln > last_line )
 	new_ln = (amatch == -1 ? pos : amatch); //didn't find
-    else{
-	strncpy(currtitle, fh.title, TTLEN);
-	strncpy(currtitle, fh.title, TTLEN);
-    }
     return new_ln;
 }
 
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