1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
/*
* tclIOSock.c --
*
* Common routines used by all socket based channel types.
*
* Copyright (c) 1995-1997 Sun Microsystems, Inc.
*
* See the file "license.terms" for information on usage and redistribution
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
* RCS: @(#) $Id: tclIOSock.c,v 1.8 2004/04/06 22:25:53 dgp Exp $
*/
#include "tclInt.h"
/*
*---------------------------------------------------------------------------
*
* TclSockGetPort --
*
* Maps from a string, which could be a service name, to a port.
* Used by socket creation code to get port numbers and resolve
* registered service names to port numbers.
*
* Results:
* A standard Tcl result. On success, the port number is returned
* in portPtr. On failure, an error message is left in the interp's
* result.
*
* Side effects:
* None.
*
*---------------------------------------------------------------------------
*/
|
|
|
|
|
|
|
|
|
|
<
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
/*
* tclIOSock.c --
*
* Common routines used by all socket based channel types.
*
* Copyright (c) 1995-1997 Sun Microsystems, Inc.
*
* See the file "license.terms" for information on usage and redistribution of
* this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
* RCS: @(#) $Id: tclIOSock.c,v 1.9 2005/07/19 22:45:35 dkf Exp $
*/
#include "tclInt.h"
/*
*---------------------------------------------------------------------------
*
* TclSockGetPort --
*
* Maps from a string, which could be a service name, to a port. Used by
* socket creation code to get port numbers and resolve registered
* service names to port numbers.
*
* Results:
* A standard Tcl result. On success, the port number is returned in
* portPtr. On failure, an error message is left in the interp's result.
*
* Side effects:
* None.
*
*---------------------------------------------------------------------------
*/
|
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
Tcl_DString ds;
CONST char *native;
if (Tcl_GetInt(NULL, string, portPtr) != TCL_OK) {
/*
* Don't bother translating 'proto' to native.
*/
Tcl_AppendResult(interp, "couldn't open socket: port number too high",
(char *) NULL);
|
|
|
|
|
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
|
Tcl_DString ds;
CONST char *native;
if (Tcl_GetInt(NULL, string, portPtr) != TCL_OK) {
/*
* Don't bother translating 'proto' to native.
*/
native = Tcl_UtfToExternalDString(NULL, string, -1, &ds);
sp = getservbyname(native, proto); /* INTL: Native. */
Tcl_DStringFree(&ds);
if (sp != NULL) {
*portPtr = ntohs((unsigned short) sp->s_port);
return TCL_OK;
}
}
if (Tcl_GetInt(interp, string, portPtr) != TCL_OK) {
return TCL_ERROR;
}
if (*portPtr > 0xFFFF) {
Tcl_AppendResult(interp, "couldn't open socket: port number too high",
(char *) NULL);
return TCL_ERROR;
}
return TCL_OK;
}
/*
*----------------------------------------------------------------------
|
102
103
104
105
106
107
108
|
getsockopt(sock, SOL_SOCKET, SO_RCVBUF, (char *)¤t, &len);
if (current < size) {
len = sizeof(int);
setsockopt(sock, SOL_SOCKET, SO_RCVBUF, (char *)&size, len);
}
return TCL_OK;
}
|
>
>
>
>
>
>
>
>
|
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
|
getsockopt(sock, SOL_SOCKET, SO_RCVBUF, (char *)¤t, &len);
if (current < size) {
len = sizeof(int);
setsockopt(sock, SOL_SOCKET, SO_RCVBUF, (char *)&size, len);
}
return TCL_OK;
}
/*
* Local Variables:
* mode: c
* c-basic-offset: 4
* fill-column: 78
* End:
*/
|