- restrict fast recommendation

- release large memory buffer for CopyBuffer(announce.c)


git-svn-id: http://opensvn.csie.org/pttbbs/trunk/pttbbs@2961 63ad8ddf-47c3-0310-b6dd-a9e9d9715204

1 files changed, 15 insertions, 1 deletions

diff --git a/mbbsd/announce.c b/mbbsd/announce.c
index 6d52212f..f8332c02 100644
--- a/mbbsd/announce.c
+++ b/mbbsd/announce.c
@@ -2,12 +2,18 @@
 #include "bbs.h"
 
 /* copy temp queue operation -------------------------------------- */
+
+/* TODO
+ * change this to char* instead of char[]
+ */
 typedef struct {
     char     copyfile[PATHLEN];
     char     copytitle[TTLEN + 1];
     char     copyowner[IDLEN + 2];
 } CopyQueue ;
 
+#define COPYQUEUE_COMMON_SIZE (10)
+
 static CopyQueue *copyqueue;
 static int allocated_copyqueue = 0, used_copyqueue = 0, head_copyqueue = 0;
 
@@ -34,13 +40,21 @@ int copyqueue_append(CopyQueue *pcq)
     if(head_copyqueue == used_copyqueue) 
     {
 	// empty queue, happy happy reset
+	if(allocated_copyqueue > COPYQUEUE_COMMON_SIZE)
+	{
+	    // let's reduce it
+	    allocated_copyqueue = COPYQUEUE_COMMON_SIZE;
+	    copyqueue = (CopyQueue*)realloc( copyqueue,
+		      allocated_copyqueue * sizeof(CopyQueue));
+	}
 	head_copyqueue = used_copyqueue = 0;
     }
     used_copyqueue ++;
 
     if(used_copyqueue > allocated_copyqueue)
     {
-	allocated_copyqueue = used_copyqueue + 10; // half page
+	allocated_copyqueue = 
+	    used_copyqueue + COPYQUEUE_COMMON_SIZE; // half page
 	copyqueue = (CopyQueue*) realloc (copyqueue,
 		sizeof(CopyQueue) * allocated_copyqueue);
 	if(!copyqueue)