vlib: add const to char* params of several funcs

These functions do not need modifiable strings.
It helps with linker sections as well as C++ compatibility.
It is a good style to use const where approriate.

Type: refactor
Signed-off-by: void234@gmail.com
Change-Id: Ib437a01663aa61860c6a938d869ed1111da71ec7

diff --git a/src/vlib/unix/plugin.c b/src/vlib/unix/plugin.c
index 2203592..1260089 100644 (file)
--- a/src/vlib/unix/plugin.c
+++ b/src/vlib/unix/plugin.c
@@ -35,7 +35,7 @@ char *vlib_plugin_app_version __attribute__ ((weak));
 char *vlib_plugin_app_version = "";
 
 void *
-vlib_get_plugin_symbol (char *plugin_name, char *symbol_name)
+vlib_get_plugin_symbol (const char *plugin_name, const char *symbol_name)
 {
   plugin_main_t *pm = &vlib_plugin_main;
   uword *p;

diff --git a/src/vlib/unix/plugin.h b/src/vlib/unix/plugin.h
index f353097..a7d9b94 100644 (file)
--- a/src/vlib/unix/plugin.h
+++ b/src/vlib/unix/plugin.h
@@ -146,7 +146,8 @@ extern plugin_main_t vlib_plugin_main;
 clib_error_t *vlib_plugin_config (vlib_main_t * vm, unformat_input_t * input);
 int vlib_plugin_early_init (vlib_main_t * vm);
 int vlib_load_new_plugins (plugin_main_t * pm, int from_early_init);
-void *vlib_get_plugin_symbol (char *plugin_name, char *symbol_name);
+void *vlib_get_plugin_symbol (const char *plugin_name,
+                             const char *symbol_name);
 u8 *vlib_get_vat_plugin_path (void);
 
 #define VLIB_PLUGIN_REGISTER() \