init repo.

2024-12-19 13:14:37 +08:00
commit 7d7845acb5
1412 changed files with 596214 additions and 0 deletions
--- a/third_party/curl/lib/select.h
+++ b/third_party/curl/lib/select.h
@ -0,0 +1,114 @@
+#ifndef HEADER_CURL_SELECT_H
+#define HEADER_CURL_SELECT_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ * SPDX-License-Identifier: curl
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifdef HAVE_POLL_H
+#include <poll.h>
+#elif defined(HAVE_SYS_POLL_H)
+#include <sys/poll.h>
+#endif
+
+/*
+ * Definition of pollfd struct and constants for platforms lacking them.
+ */
+
+#if !defined(HAVE_SYS_POLL_H) && \
+    !defined(HAVE_POLL_H) && \
+    !defined(POLLIN)
+
+#define POLLIN      0x01
+#define POLLPRI     0x02
+#define POLLOUT     0x04
+#define POLLERR     0x08
+#define POLLHUP     0x10
+#define POLLNVAL    0x20
+
+struct pollfd
+{
+    curl_socket_t fd;
+    short   events;
+    short   revents;
+};
+
+#endif
+
+#ifndef POLLRDNORM
+#define POLLRDNORM POLLIN
+#endif
+
+#ifndef POLLWRNORM
+#define POLLWRNORM POLLOUT
+#endif
+
+#ifndef POLLRDBAND
+#define POLLRDBAND POLLPRI
+#endif
+
+/* there are three CSELECT defines that are defined in the public header that
+   are exposed to users, but this *IN2 bit is only ever used internally and
+   therefore defined here */
+#define CURL_CSELECT_IN2 (CURL_CSELECT_ERR << 1)
+
+int Curl_socket_check(curl_socket_t readfd, curl_socket_t readfd2,
+                      curl_socket_t writefd,
+                      timediff_t timeout_ms);
+#define SOCKET_READABLE(x,z) \
+  Curl_socket_check(x, CURL_SOCKET_BAD, CURL_SOCKET_BAD, z)
+#define SOCKET_WRITABLE(x,z) \
+  Curl_socket_check(CURL_SOCKET_BAD, CURL_SOCKET_BAD, x, z)
+
+int Curl_poll(struct pollfd ufds[], unsigned int nfds, timediff_t timeout_ms);
+int Curl_wait_ms(timediff_t timeout_ms);
+
+/*
+   With Winsock the valid range is [0..INVALID_SOCKET-1] according to
+   https://docs.microsoft.com/en-us/windows/win32/winsock/socket-data-type-2
+*/
+#ifdef USE_WINSOCK
+#define VALID_SOCK(s) ((s) < INVALID_SOCKET)
+#define FDSET_SOCK(x) 1
+#define VERIFY_SOCK(x) do { \
+  if(!VALID_SOCK(x)) { \
+    SET_SOCKERRNO(WSAEINVAL); \
+    return -1; \
+  } \
+} while(0)
+#else
+#define VALID_SOCK(s) ((s) >= 0)
+
+/* If the socket is small enough to get set or read from an fdset */
+#define FDSET_SOCK(s) ((s) < FD_SETSIZE)
+
+#define VERIFY_SOCK(x) do {                     \
+    if(!VALID_SOCK(x) || !FDSET_SOCK(x)) {      \
+      SET_SOCKERRNO(EINVAL);                    \
+      return -1;                                \
+    }                                           \
+  } while(0)
+#endif
+
+#endif /* HEADER_CURL_SELECT_H */