[dm-devel] [PATCH 07/28] libmultipath/prio: constify simple getters

[Martin Wilck]

One day we should also constify getprio(), but that requires
touching all prioritizers.

Signed-off-by: Martin Wilck <mwilck at suse.com>
---
 libmultipath/prio.c | 8 ++++----
 libmultipath/prio.h | 8 ++++----
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/libmultipath/prio.c b/libmultipath/prio.c
index 7fce9215..17acfd05 100644
--- a/libmultipath/prio.c
+++ b/libmultipath/prio.c
@@ -81,7 +81,7 @@ static struct prio * prio_lookup (char * name)
 	return NULL;
 }
 
-int prio_set_args (struct prio * p, char * args)
+int prio_set_args (struct prio * p, const char * args)
 {
 	return snprintf(p->args, PRIO_ARGS_LEN, "%s", args);
 }
@@ -130,19 +130,19 @@ int prio_getprio (struct prio * p, struct path * pp, unsigned int timeout)
 	return p->getprio(pp, p->args, timeout);
 }
 
-int prio_selected (struct prio * p)
+int prio_selected (const struct prio * p)
 {
 	if (!p)
 		return 0;
 	return (p->getprio) ? 1 : 0;
 }
 
-char * prio_name (struct prio * p)
+const char * prio_name (const struct prio * p)
 {
 	return p->name;
 }
 
-char * prio_args (struct prio * p)
+const char * prio_args (const struct prio * p)
 {
 	return p->args;
 }
diff --git a/libmultipath/prio.h b/libmultipath/prio.h
index c97fe397..aa587ccd 100644
--- a/libmultipath/prio.h
+++ b/libmultipath/prio.h
@@ -60,10 +60,10 @@ struct prio * add_prio (char *, char *);
 int prio_getprio (struct prio *, struct path *, unsigned int);
 void prio_get (char *, struct prio *, char *, char *);
 void prio_put (struct prio *);
-int prio_selected (struct prio *);
-char * prio_name (struct prio *);
-char * prio_args (struct prio *);
-int prio_set_args (struct prio *, char *);
+int prio_selected (const struct prio *);
+const char * prio_name (const struct prio *);
+const char * prio_args (const struct prio *);
+int prio_set_args (struct prio *, const char *);
 
 /* The only function exported by prioritizer dynamic libraries (.so) */
 int getprio(struct path *, char *, unsigned int);
-- 
2.17.0