.emacs.d/config/base.el

@@ -20,7 +20,7 @@
 ;; syntax coloring
 (global-font-lock-mode t)
 
-;; show end of fill-column length
+;; syntax coloring
 (global-display-fill-column-indicator-mode t)
 
 ;; paren matching

.emacs.d/config/c.el

@@ -1,3 +1,8 @@
 ;; set c style to linux and indention to 2
 (setq c-default-style "linux"
       c-basic-offset 2)
+
+;; set max line length to 100
+(add-hook 'c-mode-hook
+          (lambda ()
+            (set-fill-column 100)))