+/* FIXME: Put these in a header */
+
+/*
+ * Copyright (c) 1997 Todd C. Miller <Todd.Miller@courtesan.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+ * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+char *
+dirname(path)
+const char *path;
+{
+ static char bname[MAXPATHLEN];
+ register const char *endp;
+
+ /* Empty or NULL string gets treated as "." */
+ if (path == NULL || *path == '\0') {
+ (void)strcpy(bname, ".");
+ return(bname);
+ }
+
+ /* Strip trailing slashes */
+ endp = path + strlen(path) - 1;
+ while (endp > path && *endp == '/')
+ endp--;
+
+ /* Find the start of the dir */
+ while (endp > path && *endp != '/')
+ endp--;
+
+ /* Either the dir is "/" or there are no slashes */
+ if (endp == path) {
+ (void)strcpy(bname, *endp == '/' ? "/" : ".");
+ return(bname);
+ } else {
+ do {
+ endp--;
+ } while (endp > path && *endp == '/');
+ }
+
+ if (endp - path + 2 > sizeof(bname)) {
+ errno = ENAMETOOLONG;
+ return(NULL);
+ }
+ (void)strncpy(bname, path, endp - path + 1);
+ bname[endp - path + 1] = '\0';
+ return(bname);
+}
+
+char *
+basename(path)
+const char *path;
+{
+ static char bname[MAXPATHLEN];
+ register const char *endp, *startp;
+
+ /* Empty or NULL string gets treated as "." */
+ if (path == NULL || *path == '\0') {
+ (void)strcpy(bname, ".");
+ return(bname);
+ }
+
+ /* Strip trailing slashes */
+ endp = path + strlen(path) - 1;
+ while (endp > path && *endp == '/')
+ endp--;
+
+ /* All slashes becomes "/" */
+ if (endp == path && *endp == '/') {
+ (void)strcpy(bname, "/");
+ return(bname);
+ }
+
+ /* Find the start of the base */
+ startp = endp;
+ while (startp > path && *(startp - 1) != '/')
+ startp--;
+
+ if (endp - startp + 2 > sizeof(bname)) {
+ errno = ENAMETOOLONG;
+ return(NULL);
+ }
+ (void)strncpy(bname, startp, endp - startp + 1);
+ bname[endp - startp + 1] = '\0';
+ return(bname);
+}
+
+/* FreeBSD's uname */
+int
+uname(name)
+struct utsname *name;
+{
+ int mib[2], rval;
+ size_t len;
+ char *p;
+ int oerrno;
+
+ rval = 0;
+
+ mib[0] = CTL_KERN;
+ mib[1] = KERN_OSTYPE;
+ len = sizeof(name->sysname);
+ oerrno = errno;
+ if (sysctl(mib, 2, &name->sysname, &len, NULL, 0) == -1) {
+ if(errno == ENOMEM)
+ errno = oerrno;
+ else
+ rval = -1;
+ }
+ name->sysname[sizeof(name->sysname) - 1] = '\0';
+
+ mib[0] = CTL_KERN;
+ mib[1] = KERN_HOSTNAME;
+ len = sizeof(name->nodename);
+ oerrno = errno;
+ if (sysctl(mib, 2, &name->nodename, &len, NULL, 0) == -1) {
+ if(errno == ENOMEM)
+ errno = oerrno;
+ else
+ rval = -1;
+ }
+ name->nodename[sizeof(name->nodename) - 1] = '\0';
+
+ mib[0] = CTL_KERN;
+ mib[1] = KERN_OSRELEASE;
+ len = sizeof(name->release);
+ oerrno = errno;
+ if (sysctl(mib, 2, &name->release, &len, NULL, 0) == -1) {
+ if(errno == ENOMEM)
+ errno = oerrno;
+ else
+ rval = -1;
+ }
+ name->release[sizeof(name->release) - 1] = '\0';
+
+ /* The version may have newlines in it, turn them into spaces. */
+ mib[0] = CTL_KERN;
+ mib[1] = KERN_VERSION;
+ len = sizeof(name->version);
+ oerrno = errno;
+ if (sysctl(mib, 2, &name->version, &len, NULL, 0) == -1) {
+ if (errno == ENOMEM)
+ errno = oerrno;
+ else
+ rval = -1;
+ }
+ name->version[sizeof(name->version) - 1] = '\0';
+ for (p = name->version; len--; ++p) {
+ if (*p == '\n' || *p == '\t') {
+ if (len > 1)
+ *p = ' ';
+ else
+ *p = '\0';
+ }
+ }
+
+ mib[0] = CTL_HW;
+ mib[1] = HW_MACHINE;
+ len = sizeof(name->machine);
+ oerrno = errno;
+ if (sysctl(mib, 2, &name->machine, &len, NULL, 0) == -1) {
+ if (errno == ENOMEM)
+ errno = oerrno;
+ else
+ rval = -1;
+ }
+ name->machine[sizeof(name->machine) - 1] = '\0';
+ return (rval);
+}
+
+/* FreeBSD's daemon() - modified for nestedvm */
+int
+daemon(nochdir, noclose)
+int nochdir, noclose;
+{
+ int fd;
+
+ switch (fork()) {
+ case -1:
+ return (-1);
+ case 0:
+ break;
+ default:
+ _exit(0);
+ }
+
+ /*if (setsid() == -1)
+ return (-1);*/
+
+ if (!nochdir)
+ (void)chdir("/");
+
+ if (!noclose && (fd = open(_PATH_DEVNULL, O_RDWR, 0)) != -1) {
+ (void)dup2(fd, STDIN_FILENO);
+ (void)dup2(fd, STDOUT_FILENO);
+ (void)dup2(fd, STDERR_FILENO);
+ if (fd > 2)
+ (void)close(fd);
+ }
+ return (0);