MINOR: buffer: add b_del() to delete a number of characters
This will be used by code which directly parses buffers with no channel
in the middle (eg: h2, might be used by checks as well).
diff --git a/include/common/buffer.h b/include/common/buffer.h
index f1edae0..8043e29 100644
--- a/include/common/buffer.h
+++ b/include/common/buffer.h
@@ -79,6 +79,17 @@
__ret; \
})
+/* Skips <del> bytes in a one-way buffer <b> : <p> advances by <del>, <i>
+ * shrinks by <del> as well, and <o> is left untouched (supposed to be zero).
+ * The caller is responsible for ensuring that <del> is always smaller than or
+ * equal to b->i.
+ */
+static inline void b_del(struct buffer *b, unsigned int del)
+{
+ b->i -= del;
+ b->p = b_ptr(b, del);
+}
+
/* Advances the buffer by <adv> bytes, which means that the buffer
* pointer advances, and that as many bytes from in are transferred
* to out. The caller is responsible for ensuring that adv is always