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 d8f246da43f9214dadb9b6a77de5bb7c6463bc6c..366b8a62c8ce977ce0598403a32061f197867c6f 100644 (file)
--- a/libcitadel/lib/libcitadel.h
+++ b/libcitadel/lib/libcitadel.h
@@ -192,6 +192,7 @@ typedef struct _ConstStr {
 StrBuf* NewStrBuf(void);
 StrBuf* NewStrBufDup(const StrBuf *CopyMe);
 StrBuf* NewStrBufPlain(const char* ptr, int nChars);
+void SwapBuffers(StrBuf *A, StrBuf *B);
 long StrBufShrinkToFit(StrBuf *Buf, int Force);
 void ReAdjustEmptyBuf(StrBuf *Buf, long ThreshHold, long NewSize);
 void NewStrBufDupAppendFlush(StrBuf **CreateRelpaceMe, StrBuf *CopyFlushMe, const char *NoMe, int KeepOriginal);
@@ -514,6 +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)
@@ -675,6 +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" {
@@ -754,6 +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       */