2 * SPDX-License-Identifier: BSD-3-Clause
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8 * modification, are permitted provided that the following conditions
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32 #include <sys/param.h>
33 #include <sys/sysctl.h>
34 #include <sys/utsname.h>
40 __xuname(int namesize, void *namebuf)
52 if ((p = getenv("UNAME_s")))
53 strlcpy(q, p, namesize);
58 if (sysctl(mib, 2, q, &len, NULL, 0) == -1) {
64 q[namesize - 1] = '\0';
68 mib[1] = KERN_HOSTNAME;
71 if (sysctl(mib, 2, q, &len, NULL, 0) == -1) {
77 q[namesize - 1] = '\0';
80 if ((p = getenv("UNAME_r")))
81 strlcpy(q, p, namesize);
83 mib[1] = KERN_OSRELEASE;
86 if (sysctl(mib, 2, q, &len, NULL, 0) == -1) {
92 q[namesize - 1] = '\0';
96 if ((p = getenv("UNAME_v")))
97 strlcpy(q, p, namesize);
101 * The version may have newlines in it, turn them into
104 mib[1] = KERN_VERSION;
107 if (sysctl(mib, 2, q, &len, NULL, 0) == -1) {
113 q[namesize - 1] = '\0';
114 for (p = q; len--; ++p) {
115 if (*p == '\n' || *p == '\t') {
125 if ((p = getenv("UNAME_m")))
126 strlcpy(q, p, namesize);
132 if (sysctl(mib, 2, q, &len, NULL, 0) == -1) {
138 q[namesize - 1] = '\0';