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Cache: fix for sending of empty responses.

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Revert wrong fix for empty responses introduced in 0.8.31 and apply new one,
rewritten to match things done by static module as close as possible.
This commit is contained in:
Maxim Dounin
2011-09-27 11:15:35 +00:00
parent 4a3884ae56
commit 84c58a30e6
1 changed files with 5 additions and 3 deletions
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src/http/ngx_http_file_cache.c
+5 -3
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@@ -853,6 +853,10 @@ ngx_http_cache_send(ngx_http_request_t *r)
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
"http file cache send: %s", c->file.name.data);
if (r != r->main && c->length - c->body_start == 0) {
return ngx_http_send_header(r);
}
/* we need to allocate all before the header would be sent */
b = ngx_pcalloc(r->pool, sizeof(ngx_buf_t));
@@ -865,8 +869,6 @@ ngx_http_cache_send(ngx_http_request_t *r)
return NGX_HTTP_INTERNAL_SERVER_ERROR;
}
r->header_only = (c->length - c->body_start) == 0;
rc = ngx_http_send_header(r);
if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) {
@@ -876,7 +878,7 @@ ngx_http_cache_send(ngx_http_request_t *r)
b->file_pos = c->body_start;
b->file_last = c->length;
b->in_file = 1;
b->in_file = (c->length - c->body_start) ? 1: 0;
b->last_buf = (r == r->main) ? 1: 0;
b->last_in_chain = 1;