tweaks: get rid of some cluttering conditional compilation

In the tiny version, do_prompt() will now have an extra NULL
parameter, which will cost maybe twenty extra bytes of code.
That is acceptable when it saves thirty lines in the source.

src/browser.c

@@ -225,10 +225,7 @@ char *do_browser(char *path)
 	    selected = filelist_len - 1;
 	} else if (func == goto_dir_void) {
 	    /* Ask for the directory to go to. */
-	    int i = do_prompt(TRUE, FALSE, MGOTODIR, NULL,
-#ifndef DISABLE_HISTORIES
-			NULL,
-#endif
+	    int i = do_prompt(TRUE, FALSE, MGOTODIR, NULL, NULL,
 			/* TRANSLATORS: This is a prompt. */
 			browser_refresh, _("Go To Directory"));
 
@@ -679,10 +676,7 @@ int filesearch_init(void)
 	buf = mallocstrcpy(NULL, "");
 
     /* This is now one simple call.  It just does a lot. */
-    input = do_prompt(FALSE, FALSE, MWHEREISFILE, NULL,
-#ifndef DISABLE_HISTORIES
-		&search_history,
-#endif
+    input = do_prompt(FALSE, FALSE, MWHEREISFILE, NULL, &search_history,
 		browser_refresh, "%s%s", _("Search"), buf);
 
     /* Release buf now that we don't need it anymore. */

src/files.c

@@ -1065,13 +1065,10 @@ void do_insertfile(void)
 		execute ? MEXTCMD :
 #endif
 		MINSERTFILE, given,
-#ifndef DISABLE_HISTORIES
 #ifndef NANO_TINY
 		execute ? &execute_history :
 #endif
-		NULL,
-#endif
-		edit_refresh, msg,
+		NULL, edit_refresh, msg,
 #ifndef DISABLE_OPERATINGDIR
 		operating_dir != NULL ? operating_dir :
 #endif
@@ -2082,10 +2079,7 @@ int do_writeout(bool exiting, bool withprompt)
 	    /* Ask for (confirmation of) the filename.  Disable tab completion
 	     * when using restricted mode and the filename isn't blank. */
 	    i = do_prompt(!ISSET(RESTRICTED) || openfile->filename[0] == '\0',
-			TRUE, MWRITEFILE, given,
-#ifndef DISABLE_HISTORIES
-			NULL,
-#endif
+			TRUE, MWRITEFILE, given, NULL,
 			edit_refresh, "%s%s%s", msg,
 #ifndef NANO_TINY
 			formatstr, backupstr

src/global.c

@@ -203,21 +203,21 @@ subnfunc *exitfunc;
 subnfunc *uncutfunc;
 	/* A pointer to the special Uncut/Unjustify item. */
 
-#ifndef DISABLE_HISTORIES
 filestruct *search_history = NULL;
 	/* The current item in the list of strings that were searched for. */
+filestruct *execute_history = NULL;
+	/* The current item in the list of commands that were run with ^R ^X. */
+filestruct *replace_history = NULL;
+	/* The current item in the list of replace strings. */
+#ifndef DISABLE_HISTORIES
 filestruct *searchtop = NULL;
 	/* The oldest item in the list of search strings. */
 filestruct *searchbot = NULL;
 	/* The newest item in the list of search strings. */
 
-filestruct *replace_history = NULL;
-	/* The current item in the list of replace strings. */
 filestruct *replacetop = NULL;
 filestruct *replacebot = NULL;
 
-filestruct *execute_history = NULL;
-	/* The current item in the list of commands that were run with ^R ^X. */
 filestruct *executetop = NULL;
 filestruct *executebot = NULL;
 

src/prompt.c

@@ -607,10 +607,7 @@ functionptrtype acquire_an_answer(int *actual, bool allow_tabs,
  * interpreted.  The allow_files parameter indicates whether we should
  * allow all files (as opposed to just directories) to be tab completed. */
 int do_prompt(bool allow_tabs, bool allow_files,
-	int menu, const char *curranswer,
-#ifndef DISABLE_HISTORIES
-	filestruct **history_list,
-#endif
+	int menu, const char *curranswer, filestruct **history_list,
 	void (*refresh_func)(void), const char *msg, ...)
 {
     va_list ap;

src/proto.h

@@ -158,14 +158,14 @@ extern subnfunc *allfuncs;
 extern subnfunc *exitfunc;
 extern subnfunc *uncutfunc;
 
-#ifndef DISABLE_HISTORIES
 extern filestruct *search_history;
+extern filestruct *replace_history;
+extern filestruct *execute_history;
+#ifndef DISABLE_HISTORIES
 extern filestruct *searchtop;
 extern filestruct *searchbot;
-extern filestruct *replace_history;
 extern filestruct *replacetop;
 extern filestruct *replacebot;
-extern filestruct *execute_history;
 extern filestruct *executetop;
 extern filestruct *executebot;
 extern poshiststruct *position_history;
@@ -477,10 +477,7 @@ size_t get_statusbar_page_start(size_t start_col, size_t column);
 void reinit_statusbar_x(void);
 void update_the_statusbar(void);
 int do_prompt(bool allow_tabs, bool allow_files,
-	int menu, const char *curranswer,
-#ifndef DISABLE_HISTORIES
-	filestruct **history_list,
-#endif
+	int menu, const char *curranswer, filestruct **history_list,
 	void (*refresh_func)(void), const char *msg, ...);
 int do_yesno_prompt(bool all, const char *msg);
 

src/search.c

@@ -131,10 +131,7 @@ int search_init(bool replacing, bool use_answer)
     /* This is now one simple call.  It just does a lot. */
     i = do_prompt(FALSE, FALSE,
 		inhelp ? MFINDINHELP : (replacing ? MREPLACE : MWHEREIS),
-		backupstring,
-#ifndef DISABLE_HISTORIES
-		&search_history,
-#endif
+		backupstring, &search_history,
 		/* TRANSLATORS: This is the main search prompt. */
 		edit_refresh, "%s%s%s%s%s%s", _("Search"),
 		/* TRANSLATORS: The next three modify the search prompt. */
@@ -747,10 +744,7 @@ void do_replace(void)
     if (i != 0)
 	return;
 
-    i = do_prompt(FALSE, FALSE, MREPLACEWITH, NULL,
-#ifndef DISABLE_HISTORIES
-		&replace_history,
-#endif
+    i = do_prompt(FALSE, FALSE, MREPLACEWITH, NULL, &replace_history,
 		/* TRANSLATORS: This is a prompt. */
 		edit_refresh, _("Replace with"));
 
@@ -815,10 +809,7 @@ void do_gotolinecolumn(ssize_t line, ssize_t column, bool use_answer,
 
 	/* Ask for the line and column. */
 	int i = do_prompt(FALSE, FALSE, MGOTOLINE,
-		use_answer ? answer : NULL,
-#ifndef DISABLE_HISTORIES
-		NULL,
-#endif
+		use_answer ? answer : NULL, NULL,
 		/* TRANSLATORS: This is a prompt. */
 		edit_refresh, _("Enter line number, column number"));
 

src/text.c

@@ -2636,10 +2636,7 @@ bool do_int_spell_fix(const char *word)
 	spotlight(TRUE, from_col, to_col);
 
 	/* Let the user supply a correctly spelled alternative. */
-	proceed = (do_prompt(FALSE, FALSE, MSPELL, word,
-#ifndef DISABLE_HISTORIES
-				NULL,
-#endif
+	proceed = (do_prompt(FALSE, FALSE, MSPELL, word, NULL,
 				edit_refresh, _("Edit a replacement")) != -1);
 
 	spotlight(FALSE, from_col, to_col);