* another try to fix this off by one

diff --git a/libcitadel/lib/stringbuf.c b/libcitadel/lib/stringbuf.c
index 49dbd4e06d97df62aea9b8ad45ad7cf6f3d96eea..2bf49068f85644b723ceaae96ed30cc2cc749cb7 100644 (file)
--- a/libcitadel/lib/stringbuf.c
+++ b/libcitadel/lib/stringbuf.c
@@ -350,8 +350,8 @@ void StrBufAppendBufPlain(StrBuf *Buf, const char *AppendBuf, long AppendSize, s
        else
                aps = AppendSize - Offset;
 
-       if (Buf->BufSize < Buf->BufUsed + aps)
-               IncreaseBuf(Buf, (Buf->BufUsed > 0), Buf->BufUsed + aps);
+       if (Buf->BufSize < Buf->BufUsed + aps + 1)
+               IncreaseBuf(Buf, (Buf->BufUsed > 0), Buf->BufUsed + aps + 1);
 
        memcpy(Buf->buf + Buf->BufUsed, 
               AppendBuf + Offset,