Fix warnings produced by compiling with -Wwrite_strings (i.e. use const char *).

* b2m.c (concat, fatal): Use const char*.
(main): Don't assign labels a string literal.

* ebrowse.c (struct member): filename, def_filename is const.
(struct sym): filename, sfilename is const.
(struct kw): name is const.
(add_sym, yyerror, token_string, insert_keyword, main): Use const char*.

* emacsclient.c (message, sock_err_message, send_to_emacs)
(quote_argument, set_local_socket)
(start_daemon_and_retry_set_socket): Use const char*.

* etags.c (compressor, language, Ada_suffix, Ada_help, Asm_suffixes)
(Asm_help, default_C_suffixes, default_C_help, Cplusplus_suffixes)
(Cplusplus_help, Cjava_suffixes, Cobol_suffixes, Cstar_suffixes)
(Erlang_suffixes, Erlang_help, Forth_suffixes, Forth_help)
(Fortran_suffixes, Fortran_help, HTML_suffixes,  HTML_help)
(Lisp_suffixes, Lisp_help, Lua_suffixes, Lua_help)
(Makefile_filenames, Makefile_help, Objc_suffixes, Objc_help)
(Pascal_suffixes, Pascal_help, Perl_suffixes, Perl_interpreters)
(Perl_help, PHP_suffixes, PHP_help, plain_C_suffixses, PS_suffixes)
(PS_help, Prolog_suffixes, Prolog_help, Python_suffixes, Python_help)
(Scheme_suffixes, Scheme_help, TeX_suffixes, TeX_help, Texinfo_suffixes)
(Texinfo_help, Yacc_suffixes, Yacc_help, auto_help, none_help)
(no_lang_help, print_language_names)
(get_language_from_interpreter, get_language_from_filename)
(init, make_tag, struct C_stab_entry, write_classname, TEX_defenv)
(TEX_decode_env, nocase_tail, savestr, savenstr, fatal, pfatal)
(concat): Use const char*.

* make-docfile.c (error, fatal, scan_c_file, scan_lisp_file): Use
const char *.

* movemail.c (fatal, error, concat): Use const char *.

* pop.c (pop_multi_first, socket_connection, sendline): Use conat char*.

* pop.h (pop_multi_first): Use const char *.
(_ARGS): Remove.

* sorted-doc.c (error, fatal, states): Use const char *.

* update-game-score.c (get_prefix, write_scores, main): Use const char*.

1 files changed, 18 insertions, 18 deletions

diff --git a/lib-src/ebrowse.c b/lib-src/ebrowse.c
index 40e72939429..1fcbb8662f5 100644
--- a/lib-src/ebrowse.c
+++ b/lib-src/ebrowse.c
@@ -249,10 +249,10 @@ struct member
   int vis;			/* Visibility (public, ...).  */
   int flags;			/* See F_* above.  */
   char *regexp;			/* Matching regular expression.  */
-  char *filename;		/* Don't free this shared string.  */
+  const char *filename;		/* Don't free this shared string.  */
   int pos;			/* Buffer position of occurrence.  */
   char *def_regexp;		/* Regular expression matching definition.  */
-  char *def_filename;		/* File name of definition.  */
+  const char *def_filename;	/* File name of definition.  */
   int def_pos;			/* Buffer position of definition.  */
   char name[1];			/* Member name.  */
 };
@@ -294,8 +294,8 @@ struct sym
   struct member *types;		/* List of local types.  */
   char *regexp;			/* Matching regular expression.  */
   int pos;			/* Buffer position.  */
-  char *filename;		/* File in which it can be found.  */
-  char *sfilename;		/* File in which members can be found.  */
+  const char *filename;		/* File in which it can be found.  */
+  const char *sfilename; 	/* File in which members can be found.  */
   struct sym *namesp;		/* Namespace in which defined. .  */
   char name[1];                 /* Name of the class.  */
 };
@@ -353,7 +353,7 @@ int yyline;
 
 /* The name of the current input file.  */
 
-char *filename;
+const char *filename;
 
 /* Three character class vectors, and macros to test membership
    of characters.  */
@@ -444,7 +444,7 @@ int tk = -1;
 
 struct kw
 {
-  char *name;			/* Spelling.  */
+  const char *name;		/* Spelling.  */
   int tk;			/* Token value.  */
   struct kw *next;		/* Next in collision chain.  */
 };
@@ -470,10 +470,10 @@ struct search_path *search_path_tail;
 int yylex (void);
 void yyparse (void);
 void re_init_parser (void);
-char *token_string (int);
+const char *token_string (int);
 char *matching_regexp (void);
 void init_sym (void);
-struct sym *add_sym (char *, struct sym *);
+struct sym *add_sym (const char *, struct sym *);
 void add_link (struct sym *, struct sym *);
 void add_member_defn (struct sym *, char *, char *,
                       int, unsigned, int, int, int);
@@ -489,7 +489,7 @@ void mark_inherited_virtual (void);
 void leave_namespace (void);
 void enter_namespace (char *);
 void register_namespace_alias (char *, struct link *);
-void insert_keyword (char *, int);
+void insert_keyword (const char *, int);
 void re_init_scanner (void);
 void init_scanner (void);
 void process_file (char *);
@@ -517,7 +517,7 @@ struct sym *parse_classname (void);
 struct sym *parse_qualified_ident_or_type (char **);
 void parse_qualified_param_ident_or_type (char **);
 int globals (int);
-void yyerror (char *, char *);
+void yyerror (const char *, const char *);
 void usage (int) NO_RETURN;
 void version (void) NO_RETURN;
 
@@ -531,7 +531,7 @@ void version (void) NO_RETURN;
    name and line number.  */
 
 void
-yyerror (char *format, char *s)
+yyerror (const char *format, const char *s)
 {
   fprintf (stderr, "%s:%d: ", filename, yyline);
   fprintf (stderr, format, s);
@@ -605,11 +605,11 @@ init_sym (void)
    create a new symbol and set it to default values.  */
 
 struct sym *
-add_sym (char *name, struct sym *nested_in_class)
+add_sym (const char *name, struct sym *nested_in_class)
 {
   struct sym *sym;
   unsigned h;
-  char *s;
+  const char *s;
   struct sym *scope = nested_in_class ? nested_in_class : current_namespace;
 
   for (s = name, h = 0; *s; ++s)
@@ -1975,7 +1975,7 @@ matching_regexp (void)
 
 /* Return a printable representation of token T.  */
 
-char *
+const char *
 token_string (int t)
 {
   static char b[3];
@@ -2111,9 +2111,9 @@ re_init_scanner (void)
    table.  */
 
 void
-insert_keyword (char *name, int tk)
+insert_keyword (const char *name, int tk)
 {
-  char *s;
+  const char *s;
   unsigned h = 0;
   struct kw *k = (struct kw *) xmalloc (sizeof *k);
 
@@ -2839,7 +2839,7 @@ operator_name (int *sc)
 {
   static int id_size = 0;
   static char *id = NULL;
-  char *s;
+  const char *s;
   int len;
 
   MATCH ();
@@ -3680,7 +3680,7 @@ main (int argc, char **argv)
 {
   int i;
   int any_inputfiles = 0;
-  static char *out_filename = DEFAULT_OUTFILE;
+  static const char *out_filename = DEFAULT_OUTFILE;
   static char **input_filenames = NULL;
   static int input_filenames_size = 0;
   static int n_input_files;