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Don't allocate name when indexing with name in static table

This commit is contained in:
Tatsuhiro Tsujikawa 2013-10-12 22:56:29 +09:00
parent 8cf3731802
commit 6d7bcabe4c
1 changed files with 28 additions and 8 deletions
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36
lib/nghttp2_hd.c
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@ -576,7 +576,8 @@ static nghttp2_hd_entry* add_hd_table_incremental(nghttp2_hd_context *context,
uint8_t **buf_ptr,
size_t *buflen_ptr,
size_t *offset_ptr,
nghttp2_nv *nv)
nghttp2_nv *nv,
uint8_t entry_flags)
{
int rv;
nghttp2_hd_entry *new_ent;
@ -608,8 +609,7 @@ static nghttp2_hd_entry* add_hd_table_incremental(nghttp2_hd_context *context,
return NULL;
}
rv = nghttp2_hd_entry_init(new_ent,
NGHTTP2_HD_FLAG_NAME_ALLOC |
NGHTTP2_HD_FLAG_VALUE_ALLOC,
entry_flags,
nv->name, nv->namelen, nv->value, nv->valuelen);
if(rv != 0) {
free(new_ent);
@ -733,8 +733,19 @@ static int deflate_nv(nghttp2_hd_context *deflater,
}
if(entry_room(nv->namelen, nv->valuelen) <= NGHTTP2_HD_MAX_ENTRY_SIZE) {
nghttp2_hd_entry *new_ent;
new_ent = add_hd_table_incremental(deflater, buf_ptr, buflen_ptr,
offset_ptr, nv);
if(index >= (ssize_t)deflater->hd_table.len) {
nghttp2_nv nv_indname;
nv_indname = *nv;
nv_indname.name = nghttp2_hd_table_get(deflater, index)->nv.name;
new_ent = add_hd_table_incremental(deflater, buf_ptr, buflen_ptr,
offset_ptr, &nv_indname,
NGHTTP2_HD_FLAG_VALUE_ALLOC);
} else {
new_ent = add_hd_table_incremental(deflater, buf_ptr, buflen_ptr,
offset_ptr, nv,
NGHTTP2_HD_FLAG_NAME_ALLOC |
NGHTTP2_HD_FLAG_VALUE_ALLOC);
}
if(!new_ent) {
return NGHTTP2_ERR_HEADER_COMP;
}
@ -905,7 +916,9 @@ ssize_t nghttp2_hd_inflate_hd(nghttp2_hd_context *inflater,
rv = emit_newname_header(inflater, &nva_out, &nv);
} else {
nghttp2_hd_entry *new_ent;
new_ent = add_hd_table_incremental(inflater, NULL, NULL, NULL, &nv);
new_ent = add_hd_table_incremental(inflater, NULL, NULL, NULL, &nv,
NGHTTP2_HD_FLAG_NAME_ALLOC |
NGHTTP2_HD_FLAG_VALUE_ALLOC);
if(new_ent) {
rv = emit_indexed_header(inflater, &nva_out, new_ent);
} else {
@ -943,12 +956,19 @@ ssize_t nghttp2_hd_inflate_hd(nghttp2_hd_context *inflater,
} else {
nghttp2_nv nv;
nghttp2_hd_entry *new_ent;
uint8_t ent_flags = NGHTTP2_HD_FLAG_VALUE_ALLOC;
++ent->ref;
nv.name = ent->nv.name;
if(index >= inflater->hd_table.len) {
nv.name = nghttp2_hd_table_get(inflater, index)->nv.name;
} else {
nv.name = ent->nv.name;
ent_flags |= NGHTTP2_HD_FLAG_NAME_ALLOC;
}
nv.namelen = ent->nv.namelen;
nv.value = value;
nv.valuelen = valuelen;
new_ent = add_hd_table_incremental(inflater, NULL, NULL, NULL, &nv);
new_ent = add_hd_table_incremental(inflater, NULL, NULL, NULL, &nv,
ent_flags);
if(--ent->ref == 0) {
nghttp2_hd_entry_free(ent);
free(ent);