kvargs: add const attribute in handler parameters

The "value" argument is read-only and should be const.

Signed-off-by: Olivier Matz <olivier.matz@6wind.com>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>

diff --git a/lib/librte_kvargs/rte_kvargs.h b/lib/librte_kvargs/rte_kvargs.h
index d09dab8..98b8a7c 100644 (file)
--- a/lib/librte_kvargs/rte_kvargs.h
+++ b/lib/librte_kvargs/rte_kvargs.h
@@ -64,7 +64,7 @@ extern "C" {
 #define RTE_KVARGS_KV_DELIM    "="
 
 /** Type of callback function used by rte_kvargs_process() */
-typedef int (*arg_handler_t)(char *value, void *opaque);
+typedef int (*arg_handler_t)(const char *value, void *opaque);
 
 /** A key/value association */
 struct rte_kvargs_pair {

diff --git a/lib/librte_pmd_pcap/rte_eth_pcap.c b/lib/librte_pmd_pcap/rte_eth_pcap.c
index c1c9b11..51a0aa4 100644 (file)
--- a/lib/librte_pmd_pcap/rte_eth_pcap.c
+++ b/lib/librte_pmd_pcap/rte_eth_pcap.c
@@ -403,10 +403,10 @@ static struct eth_dev_ops ops = {
  * reference of it for use it later on.
  */
 static int
-open_rx_pcap(char *value, void *extra_args)
+open_rx_pcap(const char *value, void *extra_args)
 {
        unsigned i;
-       char *pcap_filename = value;
+       const char *pcap_filename = value;
        struct rx_pcaps *pcaps = extra_args;
        pcap_t *rx_pcap;
 
@@ -426,10 +426,10 @@ open_rx_pcap(char *value, void *extra_args)
  * for use it later on.
  */
 static int
-open_tx_pcap(char *value, void *extra_args)
+open_tx_pcap(const char *value, void *extra_args)
 {
        unsigned i;
-       char *pcap_filename = value;
+       const char *pcap_filename = value;
        struct tx_pcaps *dumpers = extra_args;
        pcap_t *tx_pcap;
        pcap_dumper_t *dumper;
@@ -476,7 +476,7 @@ open_iface_live(const char *iface, pcap_t **pcap) {
  * Opens an interface for reading and writing
  */
 static inline int
-open_rx_tx_iface(char *value, void *extra_args)
+open_rx_tx_iface(const char *value, void *extra_args)
 {
        const char *iface = value;
        pcap_t **pcap = extra_args;
@@ -490,7 +490,7 @@ open_rx_tx_iface(char *value, void *extra_args)
  * Opens a NIC for reading packets from it
  */
 static inline int
-open_rx_iface(char *value, void *extra_args)
+open_rx_iface(const char *value, void *extra_args)
 {
        unsigned i;
        const char *iface = value;
@@ -510,7 +510,7 @@ open_rx_iface(char *value, void *extra_args)
  * Opens a NIC for writing packets to it
  */
 static inline int
-open_tx_iface(char *value, void *extra_args)
+open_tx_iface(const char *value, void *extra_args)
 {
        unsigned i;
        const char *iface = value;