1 files changed, 84 insertions, 0 deletions
diff --git a/patch/autostart.c b/patch/autostart.c
new file mode 100644
index 0000000..03477bb
--- /dev/null
+++ b/patch/autostart.c
@@ -0,0 +1,84 @@
+void
+runautostart(void)
+{
+	char *pathpfx;
+	char *path;
+	char *xdgdatahome;
+	char *home;
+
+	if ((home = getenv("HOME")) == NULL)
+		/* this is almost impossible */
+		return;
+
+	/* if $XDG_DATA_HOME is defined, use $XDG_DATA_HOME/dwm,
+	 * otherwise use ~/.local/share/dwm as autostart script directory
+	 */
+	if ((xdgdatahome = getenv("XDG_DATA_HOME")) != NULL) {
+		/* space for path segments, separators and nul */
+		if ((pathpfx = malloc(strlen(xdgdatahome) + strlen(dwmdir) + 2)) == NULL)
+			return;
+
+		if (sprintf(pathpfx, "%s/%s", xdgdatahome, dwmdir) <= 0) {
+			free(pathpfx);
+			return;
+		}
+	} else {
+		/* space for path segments, separators and nul */
+		if ((pathpfx = malloc(strlen(home) + strlen(localshare) + strlen(dwmdir) + 3)) == NULL)
+			return;
+
+		if (sprintf(pathpfx, "%s/%s/%s", home, localshare, dwmdir) < 0) {
+			free(pathpfx);
+			return;
+		}
+	}
+
+	/* check if the autostart script directory exists */
+	struct stat sb;
+
+	if (! (stat(pathpfx, &sb) == 0 && S_ISDIR(sb.st_mode))) {
+		/* the XDG conformant path does not exist or are not directories
+		 * so we try ~/.dwm instead
+		 */
+		if (realloc(pathpfx, strlen(home) + strlen(dwmdir) + 3) == NULL) {
+			free(pathpfx);
+			return;
+		}
+
+		if (sprintf(pathpfx, "%s/.%s", home, dwmdir) <= 0) {
+			free(pathpfx);
+			return;
+		}
+	}
+
+	/* try the blocking script first */
+	if ((path = malloc(strlen(pathpfx) + strlen(autostartblocksh) + 2)) == NULL) {
+		free(pathpfx);
+		return;
+	} else
+		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 ((path = realloc(path, strlen(pathpfx) + strlen(autostartsh) + 4)) == NULL) {
+		free(pathpfx);
+		free(path);
+		return;
+	} else
+		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);
+	}
+}
+