From b92b49f882bed93860b698dca9e99e3fb92d2127 Mon Sep 17 00:00:00 2001
From: Tatsuhiro Tsujikawa <tatsuhiro.t@gmail.com>
Date: Sat, 20 Jul 2013 01:27:26 +0900
Subject: [PATCH] Cleanup

---
 lib/nghttp2_hd.c | 25 ++++++++++++++-----------
 lib/nghttp2_hd.h |  6 +++---
 2 files changed, 17 insertions(+), 14 deletions(-)

diff --git a/lib/nghttp2_hd.c b/lib/nghttp2_hd.c
index a953f8d4..53ca084f 100644
--- a/lib/nghttp2_hd.c
+++ b/lib/nghttp2_hd.c
@@ -187,7 +187,7 @@ static int nghttp2_hd_context_init(nghttp2_hd_context *context,
   } else {
     ini_table = reshd_table;
   }
-  context->capacity = 0;
+  context->hd_table_bufsize = 0;
   for(i = 0; ini_table[i]; i += 2) {
     nghttp2_hd_entry *p = malloc(sizeof(nghttp2_hd_entry));
     nghttp2_hd_entry_init(p, i / 2, NGHTTP2_HD_FLAG_NONE,
@@ -195,7 +195,7 @@ static int nghttp2_hd_context_init(nghttp2_hd_context *context,
                           (uint8_t*)ini_table[i + 1],
                           strlen(ini_table[i+1]));
     context->hd_table[context->hd_tablelen++] = p;
-    context->capacity += NGHTTP2_HD_ENTRY_OVERHEAD +
+    context->hd_table_bufsize += NGHTTP2_HD_ENTRY_OVERHEAD +
       p->nv.namelen + p->nv.valuelen;
   }
   return 0;
@@ -277,12 +277,12 @@ static nghttp2_hd_entry* add_hd_table_incremental(nghttp2_hd_context *context,
      room > NGHTTP2_MAX_HD_TABLE_CAPACITY) {
     return NULL;
   }
-  context->capacity += room;
+  context->hd_table_bufsize += room;
   for(i = 0; i < context->hd_tablelen &&
-        context->capacity > NGHTTP2_MAX_HD_TABLE_CAPACITY; ++i) {
+        context->hd_table_bufsize > NGHTTP2_MAX_HD_TABLE_CAPACITY; ++i) {
     nghttp2_hd_entry *ent = context->hd_table[i];
     --ent->ref;
-    context->capacity -= entry_room(ent->nv.namelen, ent->nv.valuelen);
+    context->hd_table_bufsize -= entry_room(ent->nv.namelen, ent->nv.valuelen);
     if(ent->ref == 0) {
       nghttp2_hd_entry_free(ent);
       free(ent);
@@ -323,16 +323,18 @@ static nghttp2_hd_entry* add_hd_table_subst(nghttp2_hd_context *context,
      context->hd_tablelen <= subindex) {
     return NULL;
   }
-  context->capacity -= entry_room(context->hd_table[subindex]->nv.namelen,
-                                  context->hd_table[subindex]->nv.valuelen);
-  context->capacity += room;
+  context->hd_table_bufsize -=
+    entry_room(context->hd_table[subindex]->nv.namelen,
+               context->hd_table[subindex]->nv.valuelen);
+  context->hd_table_bufsize += room;
   k = subindex;
   for(i = 0; i < context->hd_tablelen &&
-        context->capacity > NGHTTP2_MAX_HD_TABLE_CAPACITY; ++i, --k) {
+        context->hd_table_bufsize > NGHTTP2_MAX_HD_TABLE_CAPACITY; ++i, --k) {
     nghttp2_hd_entry *ent = context->hd_table[i];
     --ent->ref;
     if(i != subindex) {
-      context->capacity -= entry_room(ent->nv.namelen, ent->nv.valuelen);
+      context->hd_table_bufsize -= entry_room(ent->nv.namelen,
+                                              ent->nv.valuelen);
     }
     if(ent->ref == 0) {
       nghttp2_hd_entry_free(ent);
@@ -726,7 +728,8 @@ static int require_eviction_on_subst(nghttp2_hd_context *context,
                                      nghttp2_nv *nv,
                                      nghttp2_hd_entry *ent)
 {
-  return context->capacity - entry_room(ent->nv.namelen, ent->nv.valuelen) +
+  return context->hd_table_bufsize - entry_room(ent->nv.namelen,
+                                                ent->nv.valuelen) +
     entry_room(nv->namelen, nv->valuelen) > NGHTTP2_MAX_HD_TABLE_CAPACITY;
 }
 
diff --git a/lib/nghttp2_hd.h b/lib/nghttp2_hd.h
index 185cac0e..1762aa27 100644
--- a/lib/nghttp2_hd.h
+++ b/lib/nghttp2_hd.h
@@ -109,10 +109,10 @@ typedef struct {
   uint16_t ws_capacity;
   /* The number of entry the |ws| contains */
   uint16_t wslen;
-  /* Abstract capacity of hd_table as described in the spec. This is
-     the sum of length of name/value in hd_table +
+  /* Abstract buffer size of hd_table as described in the spec. This
+     is the sum of length of name/value in hd_table +
      NGHTTP2_HD_ENTRY_OVERHEAD bytes overhead per each entry. */
-  uint16_t capacity;
+  uint16_t hd_table_bufsize;
 } nghttp2_hd_context;
 
 /*