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23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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29 * @(#)uname.c 8.1 (Berkeley) 1/4/94
30 * $FreeBSD: src/lib/libc/gen/uname.c,v 1.7 1999/08/27 23:59:06 peter Exp $
33 #include <sys/param.h>
34 #include <sys/sysctl.h>
35 #include <sys/utsname.h>
36 #include <sys/varsym.h>
44 uname(struct utsname
*name
)
49 char buf
[MAXVARSYM_DATA
];
54 if ((p
= getenv("UNAME_s"))) {
55 strlcpy(name
->sysname
, p
, sizeof(name
->sysname
));
56 } else if (varsym_get(VARSYM_ALL_MASK
, "UNAME_s", buf
, sizeof(buf
)) == 0) {
57 strlcpy(name
->sysname
, buf
, sizeof(name
->sysname
));
61 len
= sizeof(name
->sysname
);
63 if (sysctl(mib
, 2, &name
->sysname
, &len
, NULL
, 0) == -1) {
69 name
->sysname
[sizeof(name
->sysname
) - 1] = '\0';
73 mib
[1] = KERN_HOSTNAME
;
74 len
= sizeof(name
->nodename
);
76 if (sysctl(mib
, 2, &name
->nodename
, &len
, NULL
, 0) == -1) {
82 name
->nodename
[sizeof(name
->nodename
) - 1] = '\0';
84 if ((p
= getenv("UNAME_r"))) {
85 strlcpy(name
->release
, p
, sizeof(name
->release
));
86 } else if (varsym_get(VARSYM_ALL_MASK
, "UNAME_r", buf
, sizeof(buf
)) == 0) {
87 strlcpy(name
->release
, buf
, sizeof(name
->sysname
));
90 mib
[1] = KERN_OSRELEASE
;
91 len
= sizeof(name
->release
);
93 if (sysctl(mib
, 2, &name
->release
, &len
, NULL
, 0) == -1) {
99 name
->release
[sizeof(name
->release
) - 1] = '\0';
102 if ((p
= getenv("UNAME_v"))) {
103 strlcpy(name
->version
, p
, sizeof(name
->version
));
104 } else if (varsym_get(VARSYM_ALL_MASK
, "UNAME_v", buf
, sizeof(buf
)) == 0) {
105 strlcpy(name
->version
, buf
, sizeof(name
->sysname
));
107 /* The version may contain newlines, turn them into spaces. */
109 mib
[1] = KERN_VERSION
;
110 len
= sizeof(name
->version
);
112 if (sysctl(mib
, 2, &name
->version
, &len
, NULL
, 0) == -1) {
118 name
->version
[sizeof(name
->version
) - 1] = '\0';
119 for (p
= name
->version
; len
--; ++p
) {
120 if (*p
== '\n' || *p
== '\t') {
129 if ((p
= getenv("UNAME_m"))) {
130 strlcpy(name
->machine
, p
, sizeof(name
->machine
));
131 } else if (varsym_get(VARSYM_ALL_MASK
, "UNAME_m", buf
, sizeof(buf
)) == 0) {
132 strlcpy(name
->machine
, buf
, sizeof(name
->sysname
));
137 len
= sizeof(name
->machine
);
138 if (sysctl(mib
, 2, &name
->machine
, &len
, NULL
, 0) == -1) {
139 if (errno
== ENOMEM
) {
145 name
->machine
[sizeof(name
->machine
) - 1] = '\0';