Constify string parameters

[Andreas Schwab]

The _dl_map_object function accepts a const file name, so make it const
in all callers.  Tested on x86_64-suse-linux and installed as obvious.

Andreas.
	* elf/rtld.c (struct map_args): Constify str member.
	(do_preload): Constify fname argument.

diff --git a/elf/rtld.c b/elf/rtld.c
index 76c57f0..fb02ecd 100644
--- a/elf/rtld.c
+++ b/elf/rtld.c
@@ -441,7 +441,7 @@ struct relocate_args
 struct map_args
 {
   /* Argument to map_doit.  */
-  char *str;
+  const char *str;
   struct link_map *loader;
   int mode;
   /* Return value of map_doit.  */
@@ -651,7 +651,7 @@ _dl_initial_error_catch_tsd (void)
 
 
 static unsigned int
-do_preload (char *fname, struct link_map *main_map, const char *where)
+do_preload (const char *fname, struct link_map *main_map, const char *where)
 {
   const char *objname;
   const char *err_str = NULL;
-- 
2.2.0

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE  1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."