Make uc_log_init argument const

include/ucore/logging.h

@@ -100,9 +100,12 @@ struct UCLogModule {
     int id;
 
     /** A short name for the module.
+     * (must point to static storage)
      * This will appear in log messages */
     const char *short_name;
-    /** A longer description for the log module*/
+    /** A longer description for the log module
+     * (must point to static storage)
+     */
     const char *long_name;
     /** The log level of this module. Only
      * log statements with a level >= the log_level
@@ -295,7 +298,7 @@ int uc_log_reopen_files(void);
  *
  * @param user_struct containing an array of all the modules defined by the application.
  */
-void uc_log_init(struct UCLogModules *user_modules);
+void uc_log_init(const struct UCLogModules *user_modules);
 
 void uc_logf(enum UC_LOG_LEVEL log_level, int module, int raw, 
      const char *location, const char *fmt, ...)

src/logging.c

@@ -459,7 +459,7 @@ int uc_log_reopen_files(void)
     return rc;
 }
 
-void uc_log_init(struct UCLogModules *user_modules)
+void uc_log_init(const struct UCLogModules *user_modules)
 {
     g_modules = *user_modules;
 }