Add macro to calculate a hash from a part of the message id

[citadel.git] / libcitadel / lib / libcitadel.h

diff --git a/libcitadel/lib/libcitadel.h b/libcitadel/lib/libcitadel.h
index 0dd4c763cb3a3e0fc2d1f70211bc4553c0e621c7..366b8a62c8ce977ce0598403a32061f197867c6f 100644 (file)
--- a/libcitadel/lib/libcitadel.h
+++ b/libcitadel/lib/libcitadel.h
@@ -515,6 +515,7 @@ typedef long (*HashFunc)(const char *Str, long Len);
 typedef void (*TransitionFunc) (void *Item1, void *Item2, int Odd);
 typedef const char* (*PrintHashDataFunc) (const char *Key, void *Item, int Odd);
 
+long FourHash(const char *key, long length);
 long Flathash(const char *str, long len);
 long lFlathash(const char *str, long len);
 #define IKEY(a) (const char*) &a, sizeof(a)
@@ -676,6 +677,7 @@ extern ConstStr RoomNetCfgStrs[maxRoomNetCfg];
 
 /* a nice consistent place to define how we turn a message id into a thread id hash */
 #define ThreadIdHash(Buf) abs(HashLittle(ChrPtr(Buf), StrLength(Buf)))
+#define ThreadIdHashOffset(Buf, Offset) abs(HashLittle(ChrPtr(Buf) + Offset, StrLength(Buf)-Offset))
 
 #ifdef __cplusplus
 extern "C" {
@@ -755,6 +757,7 @@ extern "C" {
 #define QR2_SUBJECTREQ 8               /* Subject strongly recommended */
 #define QR2_SMTP_PUBLIC        16              /* Listservice Subscribers may post */
 #define QR2_MODERATED  32              /* Listservice aide has to permit posts  */
+#define QR2_NOUPLMSG   64              /* If a file  is uploaded, no message will be posted.  */
 
 #define US_NEEDVALID   1               /* User needs to be validated       */
 #define US_EXTEDIT     2               /* Always use external editor       */