[PATCH] eal: add const to init function parameter

[Bruce Richardson <bruce.richardson@intel.com>]

Change the parameter type of argv parameter to rte_eal_init from
"char **" to "char * const *", since we don't modify the argv pointers
passed in.

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
---
 lib/eal/common/eal_common_options.c | 2 +-
 lib/eal/common/eal_options.h        | 2 +-
 lib/eal/freebsd/eal.c               | 4 ++--
 lib/eal/include/rte_eal.h           | 2 +-
 lib/eal/linux/eal.c                 | 4 ++--
 lib/eal/windows/eal.c               | 4 ++--
 6 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/lib/eal/common/eal_common_options.c b/lib/eal/common/eal_common_options.c
index a6d21f1cba..7927eb1f1d 100644
--- a/lib/eal/common/eal_common_options.c
+++ b/lib/eal/common/eal_common_options.c
@@ -206,7 +206,7 @@ handle_eal_info_request(const char *cmd, const char *params __rte_unused,
 }
 
 int
-eal_save_args(int argc, char **argv)
+eal_save_args(int argc, char * const *argv)
 {
 	int i, j;
 
diff --git a/lib/eal/common/eal_options.h b/lib/eal/common/eal_options.h
index 3cc9cb6412..21ab2492fc 100644
--- a/lib/eal/common/eal_options.h
+++ b/lib/eal/common/eal_options.h
@@ -105,7 +105,7 @@ int eal_check_common_options(struct internal_config *internal_cfg);
 void eal_common_usage(void);
 enum rte_proc_type_t eal_proc_type_detect(void);
 int eal_plugins_init(void);
-int eal_save_args(int argc, char **argv);
+int eal_save_args(int argc, char * const *argv);
 int handle_eal_info_request(const char *cmd, const char *params __rte_unused,
 		struct rte_tel_data *d);
 
diff --git a/lib/eal/freebsd/eal.c b/lib/eal/freebsd/eal.c
index 568e06e9ed..f241e7dd5e 100644
--- a/lib/eal/freebsd/eal.c
+++ b/lib/eal/freebsd/eal.c
@@ -365,7 +365,7 @@ eal_get_hugepage_mem_size(void)
 
 /* Parse the arguments for --log-level only */
 static void
-eal_log_level_parse(int argc, char **argv)
+eal_log_level_parse(int argc, char * const *argv)
 {
 	int opt;
 	char **argvopt;
@@ -577,7 +577,7 @@ static void rte_eal_init_alert(const char *msg)
 
 /* Launch threads, called at application init(). */
 int
-rte_eal_init(int argc, char **argv)
+rte_eal_init(int argc, char * const *argv)
 {
 	int i, fctret, ret;
 	static uint32_t run_once;
diff --git a/lib/eal/include/rte_eal.h b/lib/eal/include/rte_eal.h
index cd318ee141..e0a74865ad 100644
--- a/lib/eal/include/rte_eal.h
+++ b/lib/eal/include/rte_eal.h
@@ -109,7 +109,7 @@ int rte_eal_iopl_init(void);
  *
  *     ENOEXEC indicates that a service core failed to launch successfully.
  */
-int rte_eal_init(int argc, char **argv);
+int rte_eal_init(int argc, char * const *argv);
 
 /**
  * Clean up the Environment Abstraction Layer (EAL)
diff --git a/lib/eal/linux/eal.c b/lib/eal/linux/eal.c
index 57da058cec..a56b85f2ce 100644
--- a/lib/eal/linux/eal.c
+++ b/lib/eal/linux/eal.c
@@ -548,7 +548,7 @@ eal_parse_vfio_vf_token(const char *vf_token)
 
 /* Parse the arguments for --log-level only */
 static void
-eal_log_level_parse(int argc, char **argv)
+eal_log_level_parse(int argc, char * const *argv)
 {
 	int opt;
 	char **argvopt;
@@ -964,7 +964,7 @@ eal_worker_thread_create(unsigned int lcore_id)
 
 /* Launch threads, called at application init(). */
 int
-rte_eal_init(int argc, char **argv)
+rte_eal_init(int argc, char * const *argv)
 {
 	int i, fctret, ret;
 	static RTE_ATOMIC(uint32_t) run_once;
diff --git a/lib/eal/windows/eal.c b/lib/eal/windows/eal.c
index 7ec2152211..1abb2eb2f7 100644
--- a/lib/eal/windows/eal.c
+++ b/lib/eal/windows/eal.c
@@ -98,7 +98,7 @@ eal_usage(const char *prgname)
 
 /* Parse the arguments for --log-level only */
 static void
-eal_log_level_parse(int argc, char **argv)
+eal_log_level_parse(int argc, char * const *argv)
 {
 	int opt;
 	char **argvopt;
@@ -273,7 +273,7 @@ rte_eal_cleanup(void)
 
 /* Launch threads, called at application init(). */
 int
-rte_eal_init(int argc, char **argv)
+rte_eal_init(int argc, char * const *argv)
 {
 	int i, fctret, bscan;
 	const struct rte_config *config = rte_eal_get_configuration();
-- 
2.39.2