Merge pull request #17 from tpiekarski/feature/short-cutting-severity…

…-levels

Merging, feature/short-cutting-severity-levels, resolves #4

pretty_printk.h

@@ -25,8 +25,20 @@
 #ifndef _LINUX_PRETTY_PRINTK_H
 #define _LINUX_PRETTY_PRINTK_H
 
-// todo: print a lot of things in (more or less) pretty way
+#include <linux/kern_levels.h>
+#include <linux/printk.h>
 
-#define _LINUX_PP_MESSAGE "This is a demo module for pretty printk-ing"
+// todo: Handle possible empty THIS_MODULE
+#define _pp(severity, format, args...) \
+ printk(severity "%s:" #format "\n", THIS_MODULE->name, ##args)
+
+#define pp_emerg(args...) _pp(KERN_EMERG, args)
+#define pp_alert(args...) _pp(KERN_ALERT, args)
+#define pp_crit(args...) _pp(KERN_CRIT, args)
+#define pp_err(args...) _pp(KERN_ERR, args)
+#define pp_warn(args...) _pp(KERN_WARNING, args)
+#define pp_note(args...) _pp(KERN_NOTICE, args)
+#define pp_info(args...) _pp(KERN_INFO, args)
+#define pp_debug(args...) _pp(KERN_DEBUG, args)
 
 #endif

pretty_printk_demo.c

@@ -35,8 +35,17 @@ MODULE_VERSION("0.1");
 
 static int __init pretty_printk_demo_init(void)
 {
- // todo: implement some demo how to pretty printk-ing things
- printk(KERN_INFO "%s: %s\n", THIS_MODULE->name, _LINUX_PP_MESSAGE);
+ // Internal macro
+ _pp(KERN_INFO, "Internal Pre-processing Macro...");
+
+ // External macros
+ pp_emerg("Emergency severity");
+ pp_crit("Critical severity");
+ pp_err("Error severity");
+ pp_warn("Warning severity");
+ pp_note("Notice severity");
+ pp_info("Information severity");
+ pp_debug("Debugging severity");
 
  return 0;
 }