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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4. The directory name has changed: no version number in the expanded directory now.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:43:07 +0200
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1:1d09e1dec1d9 2:b50eed0cc0ef
1 #ifndef HEADER_CURL_CONNECT_H
2 #define HEADER_CURL_CONNECT_H
3 /***************************************************************************
4 * _ _ ____ _
5 * Project ___| | | | _ \| |
6 * / __| | | | |_) | |
7 * | (__| |_| | _ <| |___
8 * \___|\___/|_| \_\_____|
9 *
10 * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
11 *
12 * This software is licensed as described in the file COPYING, which
13 * you should have received as part of this distribution. The terms
14 * are also available at https://curl.haxx.se/docs/copyright.html.
15 *
16 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
17 * copies of the Software, and permit persons to whom the Software is
18 * furnished to do so, under the terms of the COPYING file.
19 *
20 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
21 * KIND, either express or implied.
22 *
23 ***************************************************************************/
24 #include "curl_setup.h"
25
26 #include "nonblock.h" /* for curlx_nonblock(), formerly Curl_nonblock() */
27 #include "sockaddr.h"
28 #include "timeval.h"
29
30 CURLcode Curl_is_connected(struct connectdata *conn,
31 int sockindex,
32 bool *connected);
33
34 CURLcode Curl_connecthost(struct connectdata *conn,
35 const struct Curl_dns_entry *host);
36
37 /* generic function that returns how much time there's left to run, according
38 to the timeouts set */
39 timediff_t Curl_timeleft(struct Curl_easy *data,
40 struct curltime *nowp,
41 bool duringconnect);
42
43 #define DEFAULT_CONNECT_TIMEOUT 300000 /* milliseconds == five minutes */
44
45 /*
46 * Used to extract socket and connectdata struct for the most recent
47 * transfer on the given Curl_easy.
48 *
49 * The returned socket will be CURL_SOCKET_BAD in case of failure!
50 */
51 curl_socket_t Curl_getconnectinfo(struct Curl_easy *data,
52 struct connectdata **connp);
53
54 bool Curl_addr2string(struct sockaddr *sa, curl_socklen_t salen,
55 char *addr, long *port);
56
57 /*
58 * Check if a connection seems to be alive.
59 */
60 bool Curl_connalive(struct connectdata *conn);
61
62 #ifdef USE_WINSOCK
63 /* When you run a program that uses the Windows Sockets API, you may
64 experience slow performance when you copy data to a TCP server.
65
66 https://support.microsoft.com/kb/823764
67
68 Work-around: Make the Socket Send Buffer Size Larger Than the Program Send
69 Buffer Size
70
71 */
72 void Curl_sndbufset(curl_socket_t sockfd);
73 #else
74 #define Curl_sndbufset(y) Curl_nop_stmt
75 #endif
76
77 void Curl_updateconninfo(struct connectdata *conn, curl_socket_t sockfd);
78 void Curl_persistconninfo(struct connectdata *conn);
79 int Curl_closesocket(struct connectdata *conn, curl_socket_t sock);
80
81 /*
82 * The Curl_sockaddr_ex structure is basically libcurl's external API
83 * curl_sockaddr structure with enough space available to directly hold any
84 * protocol-specific address structures. The variable declared here will be
85 * used to pass / receive data to/from the fopensocket callback if this has
86 * been set, before that, it is initialized from parameters.
87 */
88 struct Curl_sockaddr_ex {
89 int family;
90 int socktype;
91 int protocol;
92 unsigned int addrlen;
93 union {
94 struct sockaddr addr;
95 struct Curl_sockaddr_storage buff;
96 } _sa_ex_u;
97 };
98 #define sa_addr _sa_ex_u.addr
99
100 /*
101 * Create a socket based on info from 'conn' and 'ai'.
102 *
103 * Fill in 'addr' and 'sockfd' accordingly if OK is returned. If the open
104 * socket callback is set, used that!
105 *
106 */
107 CURLcode Curl_socket(struct connectdata *conn,
108 const Curl_addrinfo *ai,
109 struct Curl_sockaddr_ex *addr,
110 curl_socket_t *sockfd);
111
112 /*
113 * Curl_conncontrol() marks the end of a connection/stream. The 'closeit'
114 * argument specifies if it is the end of a connection or a stream.
115 *
116 * For stream-based protocols (such as HTTP/2), a stream close will not cause
117 * a connection close. Other protocols will close the connection for both
118 * cases.
119 *
120 * It sets the bit.close bit to TRUE (with an explanation for debug builds),
121 * when the connection will close.
122 */
123
124 #define CONNCTRL_KEEP 0 /* undo a marked closure */
125 #define CONNCTRL_CONNECTION 1
126 #define CONNCTRL_STREAM 2
127
128 void Curl_conncontrol(struct connectdata *conn,
129 int closeit
130 #if defined(DEBUGBUILD) && !defined(CURL_DISABLE_VERBOSE_STRINGS)
131 , const char *reason
132 #endif
133 );
134
135 #if defined(DEBUGBUILD) && !defined(CURL_DISABLE_VERBOSE_STRINGS)
136 #define streamclose(x,y) Curl_conncontrol(x, CONNCTRL_STREAM, y)
137 #define connclose(x,y) Curl_conncontrol(x, CONNCTRL_CONNECTION, y)
138 #define connkeep(x,y) Curl_conncontrol(x, CONNCTRL_KEEP, y)
139 #else /* if !DEBUGBUILD || CURL_DISABLE_VERBOSE_STRINGS */
140 #define streamclose(x,y) Curl_conncontrol(x, CONNCTRL_STREAM)
141 #define connclose(x,y) Curl_conncontrol(x, CONNCTRL_CONNECTION)
142 #define connkeep(x,y) Curl_conncontrol(x, CONNCTRL_KEEP)
143 #endif
144
145 bool Curl_conn_data_pending(struct connectdata *conn, int sockindex);
146
147 #endif /* HEADER_CURL_CONNECT_H */