+ if (!localtime_r(t, <))
+ return NULL;
+
+ str = malloc(64);
+
+ if (strftime(str, 64, "%s", <))
+ return str;
+
+ free(str);
+ return NULL;
+}
+
+static char *get_default_path(void)
+{
+ char *home, *path, *dir;
+
+ home = getenv("HOME");
+
+ if (home) {
+ dir = malloc(strlen(home)+1+strlen(".psensor")+1);
+ sprintf(dir, "%s/%s", home, ".psensor");
+ mkdir(dir, 0777);
+
+ path = malloc(strlen(dir)+1+strlen(DEFAULT_FILENAME)+1);
+ sprintf(path, "%s/%s", dir, DEFAULT_FILENAME);
+
+ free(dir);
+
+ return path;