Use const char* instead of char*.

Reduce the number of warnings with -Wwrite-strings.
* src/xrdb.c (get_environ_db, get_system_name):
* src/unexelf.c (find_section):
* src/term.c (string_cost, string_cost_one_line, per_line_cost)
(get_named_tty, init_tty):
* src/sysdep.c (sys_subshell):
* src/sound.c (sound_perror, sound_warning, vox_open, vox_init)
(alsa_sound_perror, alsa_open, alsa_configure, alsa_init):
* src/search.c (Freplace_match):
* src/process.c (Fmake_network_process, send_process, init_process):
* src/lread.c (Fload, init_lread):
* src/keymap.c (Fdescribe_buffer_bindings, describe_map_tree):
* src/keyboard.c (parse_tool_bar_item, struct event_head):
* src/gtkutil.h (xg_get_font_name):
* src/gtkutil.c (get_dialog_title, create_dialog, xg_get_font_name)
(make_widget_for_menu_item, make_menu_item, create_menus)
(xg_make_tool_item):
* src/font.c (parse_matrix, font_parse_name):
* src/floatfns.c (rounding_driver, float_error_fn_name):
* src/filelock.c (get_boot_time_1, lock_file_1):
* src/fileio.c (barf_or_query_if_file_exists, check_writable):
* src/editfns.c (get_system_name, get_operating_system_release)
(Fencode_time, Fset_time_zone_rule):
* src/dispextern.h (string_cost, per_line_cost, get_named_tty, init_tty):
* src/buffer.c (defvar_per_buffer): Use const.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/fileio.c b/src/fileio.c
index f4bad89d0c0..a04cd4e76f5 100644
--- a/src/fileio.c
+++ b/src/fileio.c
@@ -1823,7 +1823,7 @@ expand_and_dir_to_file (Lisp_Object filename, Lisp_Object defdir)
    If QUICK is nonzero, we ask for y or n, not yes or no.  */
 
 void
-barf_or_query_if_file_exists (Lisp_Object absname, unsigned char *querystring, int interactive, struct stat *statptr, int quick)
+barf_or_query_if_file_exists (Lisp_Object absname, const unsigned char *querystring, int interactive, struct stat *statptr, int quick)
 {
   register Lisp_Object tem, encoded_filename;
   struct stat statbuf;
@@ -2473,7 +2473,7 @@ check_executable (char *filename)
 /* Return nonzero if file FILENAME exists and can be written.  */
 
 static int
-check_writable (char *filename)
+check_writable (const char *filename)
 {
 #ifdef MSDOS
   struct stat st;