#include <atalk/unix.h>
#include <atalk/compat.h>
+/* close all FDs >= a specified value */
+static void closeall(int fd)
+{
+ int fdlimit = sysconf(_SC_OPEN_MAX);
+
+ while (fd < fdlimit)
+ close(fd++);
+}
+
+/*!
+ * Daemonize
+ *
+ * Fork, exit parent, setsid(), optionally chdir("/"), optionally close all fds
+ *
+ * returns -1 on failure, but you can't do much except exit in that case
+ * since we may already have forked
+ */
+int daemonize(int nochdir, int noclose)
+{
+ switch (fork()) {
+ case 0:
+ break;
+ case -1:
+ return -1;
+ default:
+ _exit(0);
+ }
+
+ if (setsid() < 0)
+ return -1;
+
+ switch (fork()) {
+ case 0:
+ break;
+ case -1:
+ return -1;
+ default:
+ _exit(0);
+ }
+
+ if (!nochdir)
+ chdir("/");
+
+ if (!noclose) {
+ closeall(0);
+ open("/dev/null",O_RDWR);
+ dup(0);
+ dup(0);
+ }
+
+ return 0;
+}
+
/*!
* @brief get cwd in static buffer
*
}
/*!
- * Make argument path absoulte
+ * @brief Request absolute path
*
- * @returns pointer to path or pointer to error messages on error
+ * @returns Absolute filesystem path to object
*/
-const char *abspath(const char *name)
+const char *fullpathname(const char *name)
{
- static char buf[MAXPATHLEN + 1];
- char *p;
- int n;
+ static char wd[MAXPATHLEN + 1];
if (name[0] == '/')
return name;
- if ((p = getcwd(buf, MAXPATHLEN)) == NULL)
- return strerror(errno);
+ if (getcwd(wd , MAXPATHLEN)) {
+ strlcat(wd, "/", MAXPATHLEN);
+ strlcat(wd, name, MAXPATHLEN);
+ } else {
+ strlcpy(wd, name, MAXPATHLEN);
+ }
- n = strlen(buf);
- if (buf[n-1] != '/')
- buf[n++] = '/';
-
- strlcpy(buf + n, name, MAXPATHLEN - n);
- return buf;
+ return wd;
}
/*!