X-Git-Url: https://code.citadel.org/?a=blobdiff_plain;f=citadel%2Fdatabase.h;h=420fe6d1837841d82a0b5fcc09bb65a365da65ef;hb=cd9faaf30995ff7a8b4a6bbe5441e4c13388a37d;hp=2c5ada2874011275b2997b84de79fbc6587b6398;hpb=b16d5a9210bc26576da3fc6b990539bacd830b23;p=citadel.git

diff --git a/citadel/database.h b/citadel/database.h
index 2c5ada287..420fe6d18 100644
--- a/citadel/database.h
+++ b/citadel/database.h
@@ -15,3 +15,22 @@ void cdb_allocate_tsd(void);
 void cdb_free_tsd(void);
 void cdb_check_handles(void);
 void cdb_trunc(int cdb);
+
+/*
+ * Database records beginning with this magic number are assumed to
+ * be compressed.  In the event that a database record actually begins with
+ * this magic number, we *must* compress it whether we want to or not,
+ * because the fetch function will try to uncompress it anyway.
+ * 
+ * (No need to #ifdef this stuff; it compiles ok even if zlib is not present
+ * and doesn't declare anything so it won't bloat the code)
+ */
+#define COMPRESS_MAGIC	0xc0ffeeee
+
+struct CtdlCompressHeader {
+	int magic;
+	size_t uncompressed_len;
+	size_t compressed_len;
+};
+
+