+void
+runautostart(void)
+{
+ char *pathpfx;
+ char *path;
+ char *xdgdatahome;
+ char *home;
+ struct stat sb;
+
+ if ((home = getenv("HOME")) == NULL)
+ /* this is almost impossible */
+ return;
+
+ /* if $XDG_DATA_HOME is set and not empty, use $XDG_DATA_HOME/dwm,
+ * otherwise use ~/.local/share/dwm as autostart script directory
+ */
+ xdgdatahome = getenv("XDG_DATA_HOME");
+ if (xdgdatahome != NULL && *xdgdatahome != '\0') {
+ /* space for path segments, separators and nul */
+ pathpfx = ecalloc(1, strlen(xdgdatahome) + strlen(dwmdir) + 2);
+
+ if (sprintf(pathpfx, "%s/%s", xdgdatahome, dwmdir) <= 0) {
+ free(pathpfx);
+ return;
+ }
+ } else {
+ /* space for path segments, separators and nul */
+ pathpfx = ecalloc(1, strlen(home) + strlen(localshare)
+ + strlen(dwmdir) + 3);
+
+ if (sprintf(pathpfx, "%s/%s/%s", home, localshare, dwmdir) < 0) {
+ free(pathpfx);
+ return;
+ }
+ }
+
+ /* check if the autostart script directory exists */
+ if (! (stat(pathpfx, &sb) == 0 && S_ISDIR(sb.st_mode))) {
+ /* the XDG conformant path does not exist or is no directory
+ * so we try ~/.dwm instead
+ */
+ char *pathpfx_new = realloc(pathpfx, strlen(home) + strlen(dwmdir) + 3);
+ if(pathpfx_new == NULL) {
+ free(pathpfx);
+ return;
+ }
+ pathpfx = pathpfx_new;
+
+ if (sprintf(pathpfx, "%s/.%s", home, dwmdir) <= 0) {
+ free(pathpfx);
+ return;
+ }
+ }
+
+ /* try the blocking script first */
+ path = ecalloc(1, strlen(pathpfx) + strlen(autostartblocksh) + 2);
+ if (sprintf(path, "%s/%s", pathpfx, autostartblocksh) <= 0) {
+ free(path);
+ free(pathpfx);
+ }
+
+ if (access(path, X_OK) == 0)
+ system(path);
+
+ /* now the non-blocking script */
+ if (sprintf(path, "%s/%s", pathpfx, autostartsh) <= 0) {
+ free(path);
+ free(pathpfx);
+ }
+
+ if (access(path, X_OK) == 0)
+ system(strcat(path, " &"));
+
+ free(pathpfx);
+ free(path);
+}
+