[PATCH v2 iproute2-next 02/31] tc: use const char in util

[Stephen Hemminger]

From: Stephen Hemminger <sthem...@microsoft.com>

For prefix and path, can use const char.

Signed-off-by: Stephen Hemminger <step...@networkplumber.org>
---
 tc/tc_util.c | 8 +++++---
 tc/tc_util.h | 6 +++---
 2 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/tc/tc_util.c b/tc/tc_util.c
index e0c96291ade0..e8e1241d083d 100644
--- a/tc/tc_util.c
+++ b/tc/tc_util.c
@@ -35,7 +35,7 @@ static struct db_names *cls_names;
 
 #define NAMES_DB "/etc/iproute2/tc_cls"
 
-int cls_names_init(char *path)
+int cls_names_init(const char *path)
 {
        int ret;
 
@@ -800,7 +800,8 @@ void print_tm(FILE *f, const struct tcf_t *tm)
        }
 }
 
-void print_tcstats2_attr(FILE *fp, struct rtattr *rta, char *prefix, struct 
rtattr **xstats)
+void print_tcstats2_attr(FILE *fp, struct rtattr *rta,
+                        const char *prefix, struct rtattr **xstats)
 {
        SPRINT_BUF(b1);
        struct rtattr *tbs[TCA_STATS_MAX + 1];
@@ -868,7 +869,8 @@ void print_tcstats2_attr(FILE *fp, struct rtattr *rta, char 
*prefix, struct rtat
                *xstats = tbs[TCA_STATS_APP] ? : NULL;
 }
 
-void print_tcstats_attr(FILE *fp, struct rtattr *tb[], char *prefix, struct 
rtattr **xstats)
+void print_tcstats_attr(FILE *fp, struct rtattr *tb[],
+                       const char *prefix, struct rtattr **xstats)
 {
        SPRINT_BUF(b1);
 
diff --git a/tc/tc_util.h b/tc/tc_util.h
index 6632c4f9c528..64b309903c69 100644
--- a/tc/tc_util.h
+++ b/tc/tc_util.h
@@ -100,9 +100,9 @@ char *sprint_ticks(__u32 ticks, char *buf);
 char *sprint_linklayer(unsigned int linklayer, char *buf);
 
 void print_tcstats_attr(FILE *fp, struct rtattr *tb[],
-                       char *prefix, struct rtattr **xstats);
+                       const char *prefix, struct rtattr **xstats);
 void print_tcstats2_attr(FILE *fp, struct rtattr *rta,
-                        char *prefix, struct rtattr **xstats);
+                        const char *prefix, struct rtattr **xstats);
 
 int get_tc_classid(__u32 *h, const char *str);
 int print_tc_classid(char *buf, int len, __u32 h);
@@ -130,7 +130,7 @@ int parse_action(int *argc_p, char ***argv_p, int tca_id, 
struct nlmsghdr *n);
 void print_tm(FILE *f, const struct tcf_t *tm);
 int prio_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt);
 
-int cls_names_init(char *path);
+int cls_names_init(const char *path);
 void cls_names_uninit(void);
 
 int action_a2n(char *arg, int *result, bool allow_num);
-- 
2.18.0