Addition of users_update

Fixed warning in service_alloc

Correct comment in gateway.c

core/depend.mk

@@ -334,7 +334,8 @@ service.o: service.c /usr/include/stdio.h /usr/include/features.h \
  ../include/service.h ../include/spinlock.h ../include/thread.h \
  /usr/include/pthread.h /usr/include/sched.h /usr/include/bits/sched.h \
  /usr/include/bits/setjmp.h ../include/dcb.h ../include/buffer.h \
- ../include/server.h ../include/router.h ../include/modules.h
+ ../include/server.h ../include/router.h ../include/modules.h \
+ ../include/users.h ../include/hashtable.h ../include/atomic.h
 server.o: server.c /usr/include/stdio.h /usr/include/features.h \
  /usr/include/sys/cdefs.h /usr/include/bits/wordsize.h \
  /usr/include/gnu/stubs.h /usr/include/gnu/stubs-64.h \

core/gateway.c

@@ -242,7 +242,7 @@ char			buf[1024], *home, *cnf_file = NULL;
 	poll_init();
 
 	/*
-	 * Start the service that was created above
+	 * Start the services that were created above
 	 */
 	printf("Started %d services\n", serviceStartAll());
 

core/service.c

@@ -37,6 +37,7 @@
 #include <spinlock.h>
 #include <modules.h>
 #include <dcb.h>
+#include <users.h>
 
 static SPINLOCK	service_spin = SPINLOCK_INIT;
 static SERVICE	*allServices = NULL;

core/users.c

@@ -130,3 +130,20 @@ char
 	atomic_add(&users->stats.n_fetches, 1);
 	return hashtable_fetch(users->data, user);
 }
+
+/**
+ * Change the password data associated with a user in the users
+ * table.
+ *
+ * @param users		The users table
+ * @param user		The user name
+ * @param auth		The new authentication details
+ * @return Number of users updated
+ */
+int
+users_update(USERS *users, char *user, char *auth)
+{
+	if (hashtable_delete(users->data, user) == 0)
+		return 0;
+	return hashtable_add(users->data, user, auth);
+}

include/users.h

@@ -56,4 +56,5 @@ extern void	users_free(USERS *);			/**< Free a users table */
 extern int	users_add(USERS *, char *, char *);	/**< Add a user to the users table */
 extern int	users_delete(USERS *, char *);		/**< Delete a user from the users table */
 extern char	*users_fetch(USERS *, char *);		/**< Fetch the authentication data for a user */
+extern int	users_update(USERS *, char *, char *);	/**< Change the password data for a user in the users table */
 #endif