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-rw-r--r--lib/stream.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/stream.h b/lib/stream.h
index f10aa6d41..f0c742c05 100644
--- a/lib/stream.h
+++ b/lib/stream.h
@@ -122,6 +122,9 @@ struct stream_fifo
/* number of bytes still to be read */
#define STREAM_READABLE(S) ((S)->endp - (S)->getp)
+#define STREAM_CONCAT_REMAIN(S1, S2, size) \
+ ((size) - (S1)->endp - (S2)->endp)
+
/* deprecated macros - do not use in new code */
#define STREAM_PNT(S) stream_pnt((S))
#define STREAM_DATA(S) ((S)->data)
@@ -145,6 +148,14 @@ extern size_t stream_get_endp (struct stream *);
extern size_t stream_get_size (struct stream *);
extern u_char *stream_get_data (struct stream *);
+/**
+ * Create a new stream structure; copy offset bytes from s1 to the new
+ * stream; copy s2 data to the new stream; copy rest of s1 data to the
+ * new stream.
+ */
+extern struct stream *stream_dupcat(struct stream *s1, struct stream *s2,
+ size_t offset);
+
extern void stream_set_getp (struct stream *, size_t);
extern void stream_set_endp (struct stream *, size_t);
extern void stream_forward_getp (struct stream *, size_t);