cpplib.c (special_symbol): Qualify a char* with the `const' keyword.

        * cpplib.c (special_symbol): Qualify a char* with the `const' keyword.
        Instead of writing to const char *buf directly, use a non-const
        variable `wbuf' to allocate and write a string, then set buf = wbuf.
        * cppulp.c (user_label_prefix): Qualify a char* with the `const'
        keyword.
        * dyn-string.c (dyn_string_append): Likewise.
        * dyn-string.h (dyn_string_append): Likewise.
        * final.c (end_final, output_operand_lossage, asm_fprintf): Likewise.
        * output.h (end_final, output_operand_lossage, asm_fprintf,
        named_section, decode_reg_name, make_decl_rtl, user_label_prefix):
        Likewise.
        * profile.c (init_branch_prob): Likewise.
        * toplev.c (set_target_switch, vmessage,
        v_message_with_file_and_line, v_message_with_decl,
        v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
        verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
        v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
        v_pedwarn_with_file_and_line, vsorry, v_really_sorry,
        open_dump_file, dump_rtl, clean_dump_file,
        print_version, print_single_switch, print_switch_values,
        dump_base_name, debug_args, lang_independent_options,
        user_label_prefix, documented_lang_options, target_switches,
        target_options, print_time, pfatal_with_name, fatal_io_error,
        fatal_insn, default_print_error_function, print_error_function,
        report_error_function, error_with_file_and_line, error_with_decl,
        error_for_asm, error, fatal, warning_with_file_and_line,
        warning_with_decl, warning_for_asm, warning, pedwarn,
        pedwarn_with_decl, pedwarn_with_file_and_line, sorry,
        really_sorry, botch, output_quoted_string, output_file_directive,
        open_dump_file, rest_of_decl_compilation, display_help, main):
        Likewise.
        * toplev.h (print_time, fatal, fatal_io_error, pfatal_with_name,
        fatal_insn, warning, error, pedwarn, pedwarn_with_file_and_line,
        warning_with_file_and_line, error_with_file_and_line, sorry,
        really_sorry, default_print_error_function, report_error_function,
        rest_of_decl_compilation, pedwarn_with_decl, warning_with_decl,
        error_with_decl, error_for_asm, warning_for_asm, output_quoted_string,
        output_file_directive, botch): Likewise.
        * tree.h (make_decl_rtl): Likewise.
        * varasm.c (strip_reg_name, named_section, decode_reg_name,
        make_decl_rtl): Likewise.

From-SVN: r24743

1 files changed, 19 insertions, 13 deletions

diff --git a/gcc/cpplib.c b/gcc/cpplib.c
index 1c0b6c5..aa343f5 100644
--- a/gcc/cpplib.c
+++ b/gcc/cpplib.c
@@ -2054,7 +2054,8 @@ special_symbol (hp, pfile)
      HASHNODE *hp;
      cpp_reader *pfile;
 {
-  char *buf;
+  const char *buf;
+  char *wbuf;
   int len;
   int true_indepth;
   cpp_buffer *ip = NULL;
@@ -2108,13 +2109,15 @@ special_symbol (hp, pfile)
 	if (ip->fname != NULL)
 	  true_indepth++;
 
-      buf = (char *) alloca (8); /* Eight bytes ought to be more than enough */
-      sprintf (buf, "%d", true_indepth - 1);
+      wbuf = (char *) alloca (8); /* Eight bytes ought to be more than enough*/
+      sprintf (wbuf, "%d", true_indepth - 1);
+      buf = wbuf;
       break;
 
   case T_VERSION:
-      buf = (char *) alloca (3 + strlen (version_string));
-      sprintf (buf, "\"%s\"", version_string);
+      wbuf = (char *) alloca (3 + strlen (version_string));
+      sprintf (wbuf, "\"%s\"", version_string);
+      buf = wbuf;
       break;
 
 #ifndef NO_BUILTIN_SIZE_TYPE
@@ -2142,19 +2145,20 @@ special_symbol (hp, pfile)
       break;
 
   case T_CONST:
-      buf = (char *) alloca (4 * sizeof (int));
-      sprintf (buf, "%d", hp->value.ival);
+      wbuf = (char *) alloca (4 * sizeof (int));
+      sprintf (wbuf, "%d", hp->value.ival);
 #ifdef STDC_0_IN_SYSTEM_HEADERS
       if (ip->system_header_p
 	  && hp->length == 8 && bcmp (hp->name, "__STDC__", 8) == 0
 	  && ! cpp_lookup (pfile, (U_CHAR *) "__STRICT_ANSI__", -1, -1))
-	strcpy (buf, "0");
+	strcpy (wbuf, "0");
 #endif
 #if 0
       if (pcp_inside_if && pcp_outfile)
 	/* Output a precondition for this macro use */
 	fprintf (pcp_outfile, "#define %s %d\n", hp->name, hp->value.ival);
 #endif
+      buf = wbuf;
       break;
 
     case T_SPECLINE:
@@ -2163,21 +2167,23 @@ special_symbol (hp, pfile)
 	long col = ip->colno;
 	adjust_position (CPP_LINE_BASE (ip), ip->cur, &line, &col);
 
-	buf = (char *) alloca (10);
-	sprintf (buf, "%ld", line);
+	wbuf = (char *) alloca (10);
+	sprintf (wbuf, "%ld", line);
+	buf = wbuf;
       }
       break;
 
     case T_DATE:
     case T_TIME:
-      buf = (char *) alloca (20);
+      wbuf = (char *) alloca (20);
       timebuf = timestamp (pfile);
       if (hp->type == T_DATE)
-	sprintf (buf, "\"%s %2d %4d\"", monthnames[timebuf->tm_mon],
+	sprintf (wbuf, "\"%s %2d %4d\"", monthnames[timebuf->tm_mon],
 		 timebuf->tm_mday, timebuf->tm_year + 1900);
       else
-	sprintf (buf, "\"%02d:%02d:%02d\"", timebuf->tm_hour, timebuf->tm_min,
+	sprintf (wbuf, "\"%02d:%02d:%02d\"", timebuf->tm_hour, timebuf->tm_min,
 		 timebuf->tm_sec);
+      buf = wbuf;
       break;
 
     case T_SPEC_DEFINED: