From 998f207725e0427b6518fea5e6d64347cb14e231 Mon Sep 17 00:00:00 2001
From: Paul Duncan <pabs@pablotron.org>
Date: Sat, 27 Aug 2016 14:46:04 -0400
Subject: hash header name

---
 fhp.c             | 9 +++++++++
 include/fhp/fhp.h | 3 +++
 2 files changed, 12 insertions(+)

diff --git a/fhp.c b/fhp.c
index be4b7f3..fdf344b 100644
--- a/fhp.c
+++ b/fhp.c
@@ -398,6 +398,7 @@ static const fhp_t DEFAULT_CONTEXT = {
   .ofs = 0,
   .buf_len = 0,
   .is_hashing = false,
+  .header_name_hash = 0,
 };
 
 fhp_err_t
@@ -721,6 +722,10 @@ retry:
       if (!fhp->cb(fhp, FHP_TOKEN_HEADER_NAME_START, 0, 0))
         return FHP_ERR_CB;
 
+      // enable buffer hashing
+      fhp->is_hashing = true;
+      fhp->buf_hash = fhp_hash_init();
+
       // set state
       fhp->state = FHP_STATE_HEADER_NAME;
       goto retry;
@@ -768,6 +773,10 @@ retry:
       if (!fhp->cb(fhp, FHP_TOKEN_HEADER_NAME_END, 0, 0))
         return FHP_ERR_CB;
 
+      // disable buffer hashing
+      fhp->is_hashing = false;
+      fhp->header_name_hash = fhp->buf_hash;
+
       // set state
       fhp->state = FHP_STATE_HEADER_NAME_END;
 
diff --git a/include/fhp/fhp.h b/include/fhp/fhp.h
index 2e1dc95..3337cbe 100644
--- a/include/fhp/fhp.h
+++ b/include/fhp/fhp.h
@@ -165,6 +165,9 @@ struct fhp_t_ {
   // cached http method and version
   fhp_token_t http_method, http_version;
 
+  // hash of last header name
+  uint32_t header_name_hash;
+
   // state for url hex decoder
   uint32_t hex;
 };
-- 
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