Mercurial > hg > nginx-quic
view src/os/win32/ngx_wsarecv_chain.c @ 7476:b6dc8a12c07a
SSL: removed redundant "pkey" variable.
It was accidentally introduced in 77436d9951a1 (1.15.9). In MSVC 2015
and more recent MSVC versions it triggers warning C4456 (declaration of
'pkey' hides previous local declaration). Previously, all such warnings
were resolved in 2a621245f4cf.
Reported by Steve Stevenson.
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Sat, 09 Mar 2019 02:55:43 +0300 |
parents | ec81934727a1 |
children | efd71d49bde0 |
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/* * Copyright (C) Igor Sysoev * Copyright (C) Nginx, Inc. */ #include <ngx_config.h> #include <ngx_core.h> #include <ngx_event.h> #define NGX_WSABUFS 8 ssize_t ngx_wsarecv_chain(ngx_connection_t *c, ngx_chain_t *chain, off_t limit) { int rc; u_char *prev; u_long bytes, flags; size_t n, size; ngx_err_t err; ngx_array_t vec; ngx_event_t *rev; LPWSABUF wsabuf; WSABUF wsabufs[NGX_WSABUFS]; prev = NULL; wsabuf = NULL; flags = 0; size = 0; bytes = 0; vec.elts = wsabufs; vec.nelts = 0; vec.size = sizeof(WSABUF); vec.nalloc = NGX_WSABUFS; vec.pool = c->pool; /* coalesce the neighbouring bufs */ while (chain) { n = chain->buf->end - chain->buf->last; if (limit) { if (size >= (size_t) limit) { break; } if (size + n > (size_t) limit) { n = (size_t) limit - size; } } if (prev == chain->buf->last) { wsabuf->len += n; } else { wsabuf = ngx_array_push(&vec); if (wsabuf == NULL) { return NGX_ERROR; } wsabuf->buf = (char *) chain->buf->last; wsabuf->len = n; } size += n; prev = chain->buf->end; chain = chain->next; } ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, "WSARecv: %d:%d", vec.nelts, wsabuf->len); rc = WSARecv(c->fd, vec.elts, vec.nelts, &bytes, &flags, NULL, NULL); rev = c->read; if (rc == -1) { rev->ready = 0; err = ngx_socket_errno; if (err == WSAEWOULDBLOCK) { ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err, "WSARecv() not ready"); return NGX_AGAIN; } rev->error = 1; ngx_connection_error(c, err, "WSARecv() failed"); return NGX_ERROR; } if (bytes < size) { rev->ready = 0; } if (bytes == 0) { rev->eof = 1; } return bytes; }