1 /*
2 * Copyright (c) 1999, 2000
3 * Intel Corporation.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without modification,
7 * are permitted provided that the following conditions are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright notice,
10 * this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright notice,
13 * this list of conditions and the following disclaimer in the documentation
14 * and/or other materials provided with the distribution.
15 *
16 * 3. All advertising materials mentioning features or use of this software must
17 * display the following acknowledgement:
18 *
19 * This product includes software developed by Intel Corporation and its
20 * contributors.
21 *
22 * 4. Neither the name of Intel Corporation or its contributors may be used to
23 * endorse or promote products derived from this software without specific
24 * prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY INTEL CORPORATION AND CONTRIBUTORS ``AS IS'' AND
27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
28 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
29 * DISCLAIMED. IN NO EVENT SHALL INTEL CORPORATION OR CONTRIBUTORS BE LIABLE FOR
30 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
31 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
32 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
33 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
35 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36 *
37 */
38
39 #include <errno.h>
40 #include <stdlib.h>
41 #include <string.h>
42 #include <Uefi.h>
43 #include <unistd.h>
44 #include <wchar.h>
45
46 /*++
47
48 Module Name:
49
50 sethostname.c
51
52 Abstract:
53
54 Map FreeBSD sethostname call to EFI Interface
55
56
57 Revision History
58
59 --*/
60
61 int
sethostname(const char * name,size_t namelen)62 sethostname(
63 const char * name,
64 size_t namelen
65 )
66 /*++
67
68 Routine Description:
69
70 Set the hostname for this system.
71
72 Arguments:
73
74 name - Pointer to hostname.
75 namelen - Length of name
76
77 Returns:
78
79 0 on success, -1 if not set
80
81 --*/
82 {
83 int SetStatus;
84 char * pName;
85
86 //
87 // Allocate a new buffer for name since the input value
88 // does not need to be zero terminated
89 //
90 pName = malloc ( namelen + 1 );
91 if ( NULL == pName ) {
92 errno = ENOMEM;
93 SetStatus = -1;
94 }
95 else {
96 //
97 // Create a zero terminated string for name
98 //
99 memcpy ( pName, name, namelen );
100 pName[ namelen ] = 0;
101
102 //
103 // Set the environment variable
104 //
105 SetStatus = setenv ("HOSTNAME", pName, TRUE);
106
107 //
108 // Free the temporary buffer
109 //
110 free ( pName );
111 }
112
113 //
114 // Return the results
115 //
116 return SetStatus;
117 }
118