restructure things so that every file has its own openfilestruct, and so

that the values in it are used directly instead of being periodically
synced up with the globals; accordingly, remove the globals; this
changes pretty much every function


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@2835 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

ChangeLog

@@ -7,6 +7,17 @@ CVS code -
 	  backup_lines(). (DLR)
 	- Reorder some functions for consistency. (DLR)
 	- Rename variable open_files openfile, for consistency. (DLR)
+	- Restructure things so that every file has its own
+	  openfilestruct, and so that the values in it are used directly
+	  instead of being periodically synced up with the globals.
+	  Accordingly, remove the globals.  Changes to pretty much
+	  every function.  Rename global_init() resize_init(), rename
+	  add_open_file() make_new_buffer(), rename load_buffer()
+	  open_buffer(), rename open_prevnext_file()
+	  switch_to_prevnext_buffer(), rename open_prevfile_void()
+	  switch_to_prev_buffer(), rename open_nextfile_void()
+	  switch_to_next_buffer(), remove load_file(), and remove
+	  load_open_file(). (DLR)
 - global.c:
   shortcut_init()
 	- Simplify wording of nano_gotoline_msg. (Jordi)

src/color.c

@@ -110,7 +110,7 @@ void update_color(void)
 
 	for (e = tmpsyntax->extensions; e != NULL; e = e->next) {
 	    /* Set colorstrings if we matched the extension regex. */
-	    if (regexec(&e->val, filename, 0, NULL, 0) == 0)
+	    if (regexec(&e->val, openfile->filename, 0, NULL, 0) == 0)
 		colorstrings = tmpsyntax->color;
 
 	    if (colorstrings != NULL)

src/cut.c

@@ -45,10 +45,10 @@ void cutbuffer_reset(void)
  * place we want to where the line used to start. */
 void cut_line(void)
 {
-    if (current->next != NULL) {
-	move_to_filestruct(&cutbuffer, &cutbottom, current, 0,
-		current->next, 0);
-	placewewant = xplustabs();
+    if (openfile->current->next != NULL) {
+	move_to_filestruct(&cutbuffer, &cutbottom, openfile->current, 0,
+		openfile->current->next, 0);
+	openfile->placewewant = xplustabs();
     }
 }
 
@@ -64,7 +64,7 @@ void cut_marked(void)
 	(const filestruct **)&bot, &bot_x, NULL);
 
     move_to_filestruct(&cutbuffer, &cutbottom, top, top_x, bot, bot_x);
-    placewewant = xplustabs();
+    openfile->placewewant = xplustabs();
 }
 
 /* If we're not at the end of the current line, move all the text from
@@ -75,24 +75,24 @@ void cut_marked(void)
  * used to be. */
 void cut_to_eol(void)
 {
-    size_t data_len = strlen(current->data);
+    size_t data_len = strlen(openfile->current->data);
 
-    assert(current_x <= data_len);
+    assert(openfile->current_x <= data_len);
 
-    if (current_x < data_len)
+    if (openfile->current_x < data_len)
 	/* If we're not at the end of the line, move all the text from
 	 * the current position up to it, not counting the newline at
 	 * the end, to the cutbuffer. */
-	move_to_filestruct(&cutbuffer, &cutbottom, current, current_x,
-		current, data_len);
-    else if (current->next != NULL) {
+	move_to_filestruct(&cutbuffer, &cutbottom, openfile->current,
+		openfile->current_x, openfile->current, data_len);
+    else if (openfile->current->next != NULL) {
 	/* If we're at the end of the line, and it isn't the magicline,
 	 * move all the text from the current position up to the
 	 * beginning of the next line, i.e, the newline at the end, to
 	 * the cutbuffer. */
-	move_to_filestruct(&cutbuffer, &cutbottom, current, current_x,
-		current->next, 0);
-	placewewant = xplustabs();
+	move_to_filestruct(&cutbuffer, &cutbottom, openfile->current,
+		openfile->current_x, openfile->current->next, 0);
+	openfile->placewewant = xplustabs();
     }
 }
 #endif /* !NANO_SMALL */
@@ -100,7 +100,7 @@ void cut_to_eol(void)
 /* Move text from the current filestruct into the cutbuffer. */
 void do_cut_text(void)
 {
-    assert(current != NULL && current->data != NULL);
+    assert(openfile->current != NULL && openfile->current->data != NULL);
 
     check_statusblank();
 
@@ -120,11 +120,11 @@ void do_cut_text(void)
     keep_cutbuffer = TRUE;
 
 #ifndef NANO_SMALL
-    if (ISSET(MARK_ISSET)) {
+    if (openfile->mark_set) {
 	/* If the mark is on, move the marked text to the cutbuffer and
 	 * turn the mark off. */
 	cut_marked();
-	UNSET(MARK_ISSET);
+	openfile->mark_set = FALSE;
     } else if (ISSET(CUT_TO_END))
 	/* Otherwise, if the CUT_TO_END flag is set, move all text up to
 	 * the end of the line into the cutbuffer. */
@@ -138,7 +138,7 @@ void do_cut_text(void)
     set_modified();
 
 #ifdef DEBUG
-    dump_buffer(cutbuffer);
+    dump_filestruct(cutbuffer);
 #endif
 }
 
@@ -146,18 +146,18 @@ void do_cut_text(void)
 /* Cut from the current cursor position to the end of the file. */
 void do_cut_till_end(void)
 {
-    assert(current != NULL && current->data != NULL);
+    assert(openfile->current != NULL && openfile->current->data != NULL);
 
     check_statusblank();
 
-    move_to_filestruct(&cutbuffer, &cutbottom, current, current_x,
-	filebot, 0);
+    move_to_filestruct(&cutbuffer, &cutbottom, openfile->current,
+	openfile->current_x, openfile->filebot, 0);
 
     edit_refresh();
     set_modified();
 
 #ifdef DEBUG
-    dump_buffer(cutbuffer);
+    dump_filestruct(cutbuffer);
 #endif
 }
 #endif /* !NANO_SMALL */
@@ -165,7 +165,7 @@ void do_cut_till_end(void)
 /* Copy text from the cutbuffer into the current filestruct. */
 void do_uncut_text(void)
 {
-    assert(current != NULL && current->data != NULL);
+    assert(openfile->current != NULL && openfile->current->data != NULL);
 
 #ifndef DISABLE_WRAPPING
     wrap_reset();
@@ -183,12 +183,12 @@ void do_uncut_text(void)
 
     /* Set the current place we want to where the text from the
      * cutbuffer ends. */
-    placewewant = xplustabs();
+    openfile->placewewant = xplustabs();
 
     edit_refresh();
     set_modified();
 
 #ifdef DEBUG
-    dump_buffer_reverse();
+    dump_filestruct_reverse();
 #endif
 }

src/global.c

@@ -43,24 +43,9 @@ unsigned long flags = 0;	/* Our flag containing many options */
 WINDOW *topwin;			/* Top buffer */
 WINDOW *edit;			/* The file portion of the editor */
 WINDOW *bottomwin;		/* Bottom buffer */
-char *filename = NULL;		/* Name of the file */
-
-#ifndef NANO_SMALL
-struct stat originalfilestat;	/* Stat for the file as we loaded it */
-#endif
 
 int editwinrows = 0;		/* How many rows long is the edit
 				   window? */
-filestruct *current;		/* Current buffer pointer */
-size_t current_x = 0;		/* Current x-coordinate in the edit
-				   window */
-ssize_t current_y = 0;		/* Current y-coordinate in the edit
-				   window */
-filestruct *fileage = NULL;	/* Our file buffer */
-filestruct *edittop = NULL;	/* Pointer to the top of the edit
-				   buffer with respect to the
-				   file struct */
-filestruct *filebot = NULL;	/* Last node in the file struct */
 filestruct *cutbuffer = NULL;	/* A place to store cut text */
 #ifndef DISABLE_JUSTIFY
 filestruct *jusbuffer = NULL;	/* A place to store unjustified text */
@@ -68,10 +53,8 @@ filestruct *jusbuffer = NULL;	/* A place to store unjustified text */
 partition *filepart = NULL;	/* A place to store a portion of the
 				   file struct */
 
-#ifdef ENABLE_MULTIBUFFER
 openfilestruct *openfile = NULL;
 				/* The list of open file buffers */
-#endif
 
 #if !defined(NANO_SMALL) && defined(ENABLE_NANORC)
 char *whitespace = NULL;	/* Characters used when displaying
@@ -102,12 +85,6 @@ char *backup_dir = NULL;	/* Backup directory. */
 #endif
 
 char *answer = NULL;		/* Answer str to many questions */
-size_t totlines = 0;		/* Total number of lines in the file */
-size_t totsize = 0;		/* Total number of characters in the
-				   file */
-size_t placewewant = 0;		/* The column we'd like the cursor
-				   to jump to when we go to the
-				   next or previous line */
 
 ssize_t tabsize = -1;		/* Our internal tabsize variable.  The
 				   default value is set in main(). */
@@ -117,13 +94,6 @@ char *hblank = NULL;		/* A horizontal blank line */
 char *help_text;		/* The text in the help window */
 #endif
 
-/* More stuff for the marker select */
-
-#ifndef NANO_SMALL
-filestruct *mark_beginbuf;	/* The begin marker buffer */
-size_t mark_beginx;		/* X value in the string to start */
-#endif
-
 #ifndef DISABLE_OPERATINGDIR
 char *operating_dir = NULL;	/* Operating directory, which we can't */
 char *full_operating_dir = NULL;/* go higher than */
@@ -331,9 +301,9 @@ void shortcut_init(bool unjustify)
 	N_("Go to the end of the current paragraph");
 #endif
 #ifdef ENABLE_MULTIBUFFER
-    const char *nano_openprev_msg =
+    const char *nano_prevfile_msg =
 	N_("Switch to the previous file buffer");
-    const char *nano_opennext_msg =
+    const char *nano_nextfile_msg =
 	N_("Switch to the next file buffer");
 #endif
     const char *nano_verbatim_msg = N_("Insert character(s) verbatim");
@@ -413,7 +383,8 @@ void shortcut_init(bool unjustify)
     /* Translators: try to keep this string under 10 characters long */
     sc_init_one(&main_list, NANO_EXIT_KEY,
 #ifdef ENABLE_MULTIBUFFER
-	openfile != NULL && openfile != openfile->next ? N_("Close") :
+	openfile != NULL && openfile != openfile->next ?
+	N_("Close") :
 #endif
 	exit_msg, IFHELP(nano_exit_msg, NANO_NO_KEY), NANO_EXIT_FKEY,
 	NANO_NO_KEY, VIEW, do_exit);
@@ -590,12 +561,12 @@ void shortcut_init(bool unjustify)
 
 #ifdef ENABLE_MULTIBUFFER
     sc_init_one(&main_list, NANO_NO_KEY, N_("Previous File"),
-	IFHELP(nano_openprev_msg, NANO_OPENPREV_KEY), NANO_NO_KEY,
-	NANO_OPENPREV_ALTKEY, VIEW, open_prevfile_void);
+	IFHELP(nano_prevfile_msg, NANO_PREVFILE_KEY), NANO_NO_KEY,
+	NANO_PREVFILE_ALTKEY, VIEW, switch_to_prev_buffer_void);
 
     sc_init_one(&main_list, NANO_NO_KEY, N_("Next File"),
-	IFHELP(nano_opennext_msg, NANO_OPENNEXT_KEY), NANO_NO_KEY,
-	NANO_OPENNEXT_ALTKEY, VIEW, open_nextfile_void);
+	IFHELP(nano_nextfile_msg, NANO_NEXTFILE_KEY), NANO_NO_KEY,
+	NANO_NEXTFILE_ALTKEY, VIEW, switch_to_next_buffer_void);
 #endif
 
     sc_init_one(&main_list, NANO_NO_KEY, N_("Verbatim Input"),
@@ -1201,8 +1172,6 @@ void thanks_for_all_the_fish(void)
     if (help_text != NULL)
 	free(help_text);
 #endif
-    if (filename != NULL)
-	free(filename);
     if (answer != NULL)
 	free(answer);
     if (cutbuffer != NULL)
@@ -1240,19 +1209,9 @@ void thanks_for_all_the_fish(void)
 	free(t);
     }
 #endif
-#ifdef ENABLE_MULTIBUFFER
     /* Free the memory associated with each open file buffer. */
-    if (openfile != NULL) {
-	/* Make sure openfile->fileage is up to date, in case we've
-	 * cut the top line of the file. */
-	openfile->fileage = fileage;
-
+    if (openfile != NULL)
 	free_openfilestruct(openfile);
-    }
-#else
-    if (fileage != NULL)
-	free_filestruct(fileage);
-#endif
 #ifdef ENABLE_COLOR
     if (syntaxstr != NULL)
 	free(syntaxstr);

src/move.c

@@ -32,74 +32,75 @@
 
 void do_first_line(void)
 {
-    size_t pww_save = placewewant;
-    current = fileage;
-    placewewant = 0;
-    current_x = 0;
-    if (edittop != fileage || need_vertical_update(pww_save))
+    size_t pww_save = openfile->placewewant;
+    openfile->current = openfile->fileage;
+    openfile->placewewant = 0;
+    openfile->current_x = 0;
+    if (openfile->edittop != openfile->fileage ||
+	need_vertical_update(pww_save))
 	edit_update(TOP);
 }
 
 void do_last_line(void)
 {
-    size_t pww_save = placewewant;
-    current = filebot;
-    placewewant = 0;
-    current_x = 0;
-    if (edittop->lineno + (editwinrows / 2) != filebot->lineno ||
-	need_vertical_update(pww_save))
+    size_t pww_save = openfile->placewewant;
+    openfile->current = openfile->filebot;
+    openfile->placewewant = 0;
+    openfile->current_x = 0;
+    if (openfile->edittop->lineno + (editwinrows / 2) !=
+	openfile->filebot->lineno || need_vertical_update(pww_save))
 	edit_update(CENTER);
 }
 
 void do_home(void)
 {
-    size_t pww_save = placewewant;
+    size_t pww_save = openfile->placewewant;
 #ifndef NANO_SMALL
     if (ISSET(SMART_HOME)) {
-	size_t current_x_save = current_x;
+	size_t current_x_save = openfile->current_x;
 
-	current_x = indent_length(current->data);
+	openfile->current_x = indent_length(openfile->current->data);
 
-	if (current_x == current_x_save ||
-		current->data[current_x] == '\0')
-	    current_x = 0;
+	if (openfile->current_x == current_x_save ||
+		openfile->current->data[openfile->current_x] == '\0')
+	    openfile->current_x = 0;
 
-	placewewant = xplustabs();
+	openfile->placewewant = xplustabs();
     } else {
 #endif
-	current_x = 0;
-	placewewant = 0;
+	openfile->current_x = 0;
+	openfile->placewewant = 0;
 #ifndef NANO_SMALL
     }
 #endif
     check_statusblank();
     if (need_horizontal_update(pww_save))
-	update_line(current, current_x);
+	update_line(openfile->current, openfile->current_x);
 }
 
 void do_end(void)
 {
-    size_t pww_save = placewewant;
-    current_x = strlen(current->data);
-    placewewant = xplustabs();
+    size_t pww_save = openfile->placewewant;
+    openfile->current_x = strlen(openfile->current->data);
+    openfile->placewewant = xplustabs();
     check_statusblank();
     if (need_horizontal_update(pww_save))
-	update_line(current, current_x);
+	update_line(openfile->current, openfile->current_x);
 }
 
 void do_page_up(void)
 {
-    size_t pww_save = placewewant;
-    const filestruct *current_save = current;
+    size_t pww_save = openfile->placewewant;
+    const filestruct *current_save = openfile->current;
 #ifndef DISABLE_WRAPPING
     wrap_reset();
 #endif
 
     /* If the first line of the file is onscreen, move current up there
      * and put the cursor at the beginning of the line. */
-    if (edittop == fileage) {
-	current = fileage;
-	placewewant = 0;
+    if (openfile->edittop == openfile->fileage) {
+	openfile->current = openfile->fileage;
+	openfile->placewewant = 0;
     } else {
 	edit_scroll(UP, editwinrows - 2);
 
@@ -107,25 +108,27 @@ void do_page_up(void)
 	/* If we're in smooth scrolling mode and there's at least one
 	 * page of text left, move the current line of the edit window
 	 * up a page. */
-	if (ISSET(SMOOTH_SCROLL) && current->lineno > editwinrows - 2) {
+	if (ISSET(SMOOTH_SCROLL) && openfile->current->lineno >
+		editwinrows - 2) {
 	    int i;
 	    for (i = 0; i < editwinrows - 2; i++)
-		current = current->prev;
+		openfile->current = openfile->current->prev;
 	}
 	/* If we're not in smooth scrolling mode or there isn't at least
 	 * one page of text left, put the cursor at the beginning of the
 	 * top line of the edit window, as Pico does. */
 	else {
 #endif
-	    current = edittop;
-	    placewewant = 0;
+	    openfile->current = openfile->edittop;
+	    openfile->placewewant = 0;
 #ifndef NANO_SMALL
 	}
 #endif
     }
 
     /* Get the equivalent x-coordinate of the new line. */
-    current_x = actual_x(current->data, placewewant);
+    openfile->current_x = actual_x(openfile->current->data,
+	openfile->placewewant);
 
     /* Update all the lines that need to be updated. */
     edit_redraw(current_save, pww_save);
@@ -135,17 +138,18 @@ void do_page_up(void)
 
 void do_page_down(void)
 {
-    size_t pww_save = placewewant;
-    const filestruct *current_save = current;
+    size_t pww_save = openfile->placewewant;
+    const filestruct *current_save = openfile->current;
 #ifndef DISABLE_WRAPPING
     wrap_reset();
 #endif
 
     /* If the last line of the file is onscreen, move current down
      * there and put the cursor at the beginning of the line. */
-    if (edittop->lineno + editwinrows > filebot->lineno) {
-	current = filebot;
-	placewewant = 0;
+    if (openfile->edittop->lineno + editwinrows >
+	openfile->filebot->lineno) {
+	openfile->current = openfile->filebot;
+	openfile->placewewant = 0;
     } else {
 	edit_scroll(DOWN, editwinrows - 2);
 
@@ -153,26 +157,27 @@ void do_page_down(void)
 	/* If we're in smooth scrolling mode and there's at least one
 	 * page of text left, move the current line of the edit window
 	 * down a page. */
-	if (ISSET(SMOOTH_SCROLL) && current->lineno + editwinrows - 2 <=
-		filebot->lineno) {
+	if (ISSET(SMOOTH_SCROLL) && openfile->current->lineno +
+		editwinrows - 2 <= openfile->filebot->lineno) {
 	    int i;
 	    for (i = 0; i < editwinrows - 2; i++)
-		current = current->next;
+		openfile->current = openfile->current->next;
 	}
 	/* If we're not in smooth scrolling mode or there isn't at least
 	 * one page of text left, put the cursor at the beginning of the
 	 * top line of the edit window, as Pico does. */
 	else {
 #endif
-	    current = edittop;
-	    placewewant = 0;
+	    openfile->current = openfile->edittop;
+	    openfile->placewewant = 0;
 #ifndef NANO_SMALL
 	}
 #endif
     }
 
     /* Get the equivalent x-coordinate of the new line. */
-    current_x = actual_x(current->data, placewewant);
+    openfile->current_x = actual_x(openfile->current->data,
+	openfile->placewewant);
 
     /* Update all the lines that need to be updated. */
     edit_redraw(current_save, pww_save);
@@ -187,18 +192,19 @@ void do_up(void)
 #endif
     check_statusblank();
 
-    if (current->prev == NULL)
+    if (openfile->current->prev == NULL)
 	return;
 
-    assert(current_y == current->lineno - edittop->lineno);
+    assert(openfile->current_y == openfile->current->lineno - openfile->edittop->lineno);
 
-    current = current->prev;
-    current_x = actual_x(current->data, placewewant);
+    openfile->current = openfile->current->prev;
+    openfile->current_x = actual_x(openfile->current->data,
+	openfile->placewewant);
 
     /* If we're on the first row of the edit window, scroll up one line
      * if we're in smooth scrolling mode, or up half a page if we're
      * not. */
-    if (current_y == 0)
+    if (openfile->current_y == 0)
 	edit_scroll(UP,
 #ifndef NANO_SMALL
 		ISSET(SMOOTH_SCROLL) ? 1 :
@@ -210,8 +216,8 @@ void do_up(void)
      * if we're not on the first page, and the latter needs to be
      * drawn. */
     if (need_vertical_update(0))
-	update_line(current->next, 0);
-    update_line(current, current_x);
+	update_line(openfile->current->next, 0);
+    update_line(openfile->current, openfile->current_x);
 }
 
 void do_down(void)
@@ -221,18 +227,19 @@ void do_down(void)
 #endif
     check_statusblank();
 
-    if (current->next == NULL)
+    if (openfile->current->next == NULL)
 	return;
 
-    assert(current_y == current->lineno - edittop->lineno);
+    assert(openfile->current_y == openfile->current->lineno - openfile->edittop->lineno);
 
-    current = current->next;
-    current_x = actual_x(current->data, placewewant);
+    openfile->current = openfile->current->next;
+    openfile->current_x = actual_x(openfile->current->data,
+	openfile->placewewant);
 
     /* If we're on the last row of the edit window, scroll down one line
      * if we're in smooth scrolling mode, or down half a page if we're
      * not. */
-    if (current_y == editwinrows - 1)
+    if (openfile->current_y == editwinrows - 1)
 	edit_scroll(DOWN,
 #ifndef NANO_SMALL
 		ISSET(SMOOTH_SCROLL) ? 1 :
@@ -244,23 +251,25 @@ void do_down(void)
      * if we're not on the first page, and the latter needs to be
      * drawn. */
     if (need_vertical_update(0))
-	update_line(current->prev, 0);
-    update_line(current, current_x);
+	update_line(openfile->current->prev, 0);
+    update_line(openfile->current, openfile->current_x);
 }
 
 void do_left(bool allow_update)
 {
-    size_t pww_save = placewewant;
-    if (current_x > 0)
-	current_x = move_mbleft(current->data, current_x);
-    else if (current != fileage) {
+    size_t pww_save = openfile->placewewant;
+
+    if (openfile->current_x > 0)
+	openfile->current_x = move_mbleft(openfile->current->data,
+		openfile->current_x);
+    else if (openfile->current != openfile->fileage) {
 	do_up();
-	current_x = strlen(current->data);
+	openfile->current_x = strlen(openfile->current->data);
     }
-    placewewant = xplustabs();
+    openfile->placewewant = xplustabs();
     check_statusblank();
     if (allow_update && need_horizontal_update(pww_save))
-	update_line(current, current_x);
+	update_line(openfile->current, openfile->current_x);
 }
 
 void do_left_void(void)
@@ -270,19 +279,20 @@ void do_left_void(void)
 
 void do_right(bool allow_update)
 {
-    size_t pww_save = placewewant;
-    assert(current_x <= strlen(current->data));
+    size_t pww_save = openfile->placewewant;
+    assert(openfile->current_x <= strlen(openfile->current->data));
 
-    if (current->data[current_x] != '\0')
-	current_x = move_mbright(current->data, current_x);
-    else if (current->next != NULL) {
+    if (openfile->current->data[openfile->current_x] != '\0')
+	openfile->current_x = move_mbright(openfile->current->data,
+		openfile->current_x);
+    else if (openfile->current->next != NULL) {
 	do_down();
-	current_x = 0;
+	openfile->current_x = 0;
     }
-    placewewant = xplustabs();
+    openfile->placewewant = xplustabs();
     check_statusblank();
     if (allow_update && need_horizontal_update(pww_save))
-	update_line(current, current_x);
+	update_line(openfile->current, openfile->current_x);
 }
 
 void do_right_void(void)

src/nano.h

@@ -160,20 +160,17 @@ typedef struct filestruct {
     ssize_t lineno;		/* The line number. */
 } filestruct;
 
-#ifdef ENABLE_MULTIBUFFER
 typedef struct openfilestruct {
-    char *filename;
-#ifndef NANO_SMALL
-    struct stat originalfilestat;
-#endif
-    struct openfilestruct *next;
-				/* Next node. */
-    struct openfilestruct *prev;
-				/* Previous node. */
-    filestruct *fileage;	/* Current file. */
+    char *filename;		/* Current file's name. */
+    filestruct *fileage;	/* Current file's first line. */
     filestruct *filebot;	/* Current file's last line. */
     filestruct *edittop;	/* Current top of edit window. */
     filestruct *current;	/* Current file's line. */
+    size_t current_x;		/* Current file's x-coordinate
+				 * position. */
+    ssize_t current_y;		/* Current file's y-coordinate
+				 * position. */
+    size_t placewewant;		/* Current file's place we want. */
 #ifndef NANO_SMALL
     filestruct *mark_beginbuf;
 				/* Current file's beginning marked
@@ -181,18 +178,22 @@ typedef struct openfilestruct {
     size_t mark_beginx;		/* Current file's beginning marked
 				 * line's x-coordinate position. */
 #endif
-    size_t current_x;		/* Current file's x-coordinate
-				 * position. */
-    size_t placewewant;		/* Current file's place we want. */
     size_t totlines;		/* Current file's total number of
 				 * lines. */
     size_t totsize;		/* Current file's total size. */
-    unsigned long flags;	/* Current file's flags: modification
-				 * status (and marking status, if
-				 * available). */
+    bool modified;		/* Current file's modification
+				 * status. */
+#ifndef NANO_SMALL
+    bool mark_set;		/* Current file's marking status. */
     file_format fmt;		/* Current file's format. */
-} openfilestruct;
+    struct stat originalfilestat;
+				/* Current file's stat. */
 #endif
+    struct openfilestruct *next;
+				/* Next node. */
+    struct openfilestruct *prev;
+				/* Previous node. */
+} openfilestruct;
 
 typedef struct partition {
     filestruct *fileage;
@@ -268,37 +269,35 @@ typedef struct syntaxtype {
 
 /* Bitwise flags so that we can save space (or, more correctly, not
  * waste it). */
-#define MODIFIED		(1<<0)
-#define CASE_SENSITIVE		(1<<1)
-#define MARK_ISSET		(1<<2)
-#define CONST_UPDATE		(1<<3)
-#define NO_HELP			(1<<4)
-#define NOFOLLOW_SYMLINKS	(1<<5)
-#define SUSPEND			(1<<6)
-#define NO_WRAP			(1<<7)
-#define AUTOINDENT		(1<<8)
-#define VIEW_MODE		(1<<9)
-#define USE_MOUSE		(1<<10)
-#define USE_REGEXP		(1<<11)
-#define TEMP_FILE		(1<<12)
-#define CUT_TO_END		(1<<13)
-#define BACKWARDS_SEARCH	(1<<14)
-#define MULTIBUFFER		(1<<15)
-#define SMOOTH_SCROLL		(1<<16)
-#define REBIND_DELETE		(1<<17)
-#define NO_CONVERT		(1<<18)
-#define BACKUP_FILE		(1<<19)
-#define NO_RCFILE		(1<<20)
-#define NO_COLOR_SYNTAX		(1<<21)
-#define PRESERVE		(1<<22)
-#define HISTORYLOG		(1<<23)
-#define RESTRICTED		(1<<24)
-#define SMART_HOME		(1<<25)
-#define WHITESPACE_DISPLAY	(1<<26)
-#define MORE_SPACE		(1<<27)
-#define TABS_TO_SPACES		(1<<28)
-#define QUICK_BLANK		(1<<29)
-#define USE_UTF8		(1<<30)
+#define CASE_SENSITIVE		(1<<0)
+#define CONST_UPDATE		(1<<1)
+#define NO_HELP			(1<<2)
+#define NOFOLLOW_SYMLINKS	(1<<3)
+#define SUSPEND			(1<<4)
+#define NO_WRAP			(1<<5)
+#define AUTOINDENT		(1<<6)
+#define VIEW_MODE		(1<<7)
+#define USE_MOUSE		(1<<8)
+#define USE_REGEXP		(1<<9)
+#define TEMP_FILE		(1<<10)
+#define CUT_TO_END		(1<<11)
+#define BACKWARDS_SEARCH	(1<<12)
+#define MULTIBUFFER		(1<<13)
+#define SMOOTH_SCROLL		(1<<14)
+#define REBIND_DELETE		(1<<15)
+#define NO_CONVERT		(1<<16)
+#define BACKUP_FILE		(1<<17)
+#define NO_RCFILE		(1<<18)
+#define NO_COLOR_SYNTAX		(1<<19)
+#define PRESERVE		(1<<20)
+#define HISTORYLOG		(1<<21)
+#define RESTRICTED		(1<<22)
+#define SMART_HOME		(1<<23)
+#define WHITESPACE_DISPLAY	(1<<24)
+#define MORE_SPACE		(1<<25)
+#define TABS_TO_SPACES		(1<<26)
+#define QUICK_BLANK		(1<<27)
+#define USE_UTF8		(1<<28)
 
 /* Control key sequences.  Changing these would be very, very bad. */
 #define NANO_CONTROL_SPACE 0
@@ -443,10 +442,10 @@ typedef struct syntaxtype {
 #define NANO_TOFILES_KEY	NANO_CONTROL_T
 #define NANO_APPEND_KEY		NANO_ALT_A
 #define NANO_PREPEND_KEY	NANO_ALT_P
-#define NANO_OPENPREV_KEY	NANO_ALT_LCARAT
-#define NANO_OPENNEXT_KEY	NANO_ALT_RCARAT
-#define NANO_OPENPREV_ALTKEY	NANO_ALT_COMMA
-#define NANO_OPENNEXT_ALTKEY	NANO_ALT_PERIOD
+#define NANO_PREVFILE_KEY	NANO_ALT_LCARAT
+#define NANO_NEXTFILE_KEY	NANO_ALT_RCARAT
+#define NANO_PREVFILE_ALTKEY	NANO_ALT_COMMA
+#define NANO_NEXTFILE_ALTKEY	NANO_ALT_PERIOD
 #define NANO_BRACKET_KEY	NANO_ALT_RBRACKET
 #define NANO_NEXTWORD_KEY	NANO_CONTROL_SPACE
 #define NANO_PREVWORD_KEY	NANO_ALT_SPACE

src/proto.h

@@ -37,14 +37,6 @@
 extern ssize_t wrap_at;
 #endif
 extern int editwinrows;
-extern size_t current_x;
-extern ssize_t current_y;
-extern size_t totlines;
-extern size_t placewewant;
-#ifndef NANO_SMALL
-extern size_t mark_beginx;
-#endif
-extern size_t totsize;
 extern unsigned long flags;
 extern ssize_t tabsize;
 extern int currslen;
@@ -72,8 +64,6 @@ extern char *backup_dir;
 #endif
 
 extern WINDOW *topwin, *edit, *bottomwin;
-extern char *filename;
-extern struct stat originalfilestat;
 extern char *answer;
 extern char *hblank;
 #ifndef DISABLE_HELP
@@ -90,19 +80,13 @@ extern char *alt_speller;
 #endif
 
 extern struct stat fileinfo;
-extern filestruct *current, *fileage, *edittop, *filebot;
 extern filestruct *cutbuffer;
 #ifndef DISABLE_JUSTIFY
 extern filestruct *jusbuffer;
 #endif
 extern partition *filepart;
-#ifndef NANO_SMALL
-extern filestruct *mark_beginbuf;
-#endif
 
-#ifdef ENABLE_MULTIBUFFER
 extern openfilestruct *openfile;
-#endif
 
 #ifdef ENABLE_COLOR
 extern const colortype *colorstrings;
@@ -246,7 +230,6 @@ void do_cut_till_end(void);
 void do_uncut_text(void);
 
 /* Public functions in files.c. */
-#ifdef ENABLE_MULTIBUFFER
 openfilestruct *make_new_opennode(void);
 void splice_opennode(openfilestruct *begin, openfilestruct *newnode,
 	openfilestruct *end);
@@ -255,24 +238,22 @@ void delete_opennode(openfilestruct *fileptr);
 #ifdef DEBUG
 void free_openfilestruct(openfilestruct *src);
 #endif
-void add_open_file(bool update);
-void load_open_file(void);
-void open_prevnext_file(bool next_file);
-void open_prevfile_void(void);
-void open_nextfile_void(void);
-bool close_open_file(void);
+void make_new_buffer(void);
+void open_buffer(const char *filename);
+#ifdef ENABLE_MULTIBUFFER
+void switch_to_prevnext_buffer(bool next);
+void switch_to_prev_buffer_void(void);
+void switch_to_next_buffer_void(void);
+bool close_buffer(void);
 #endif
-void new_file(void);
 filestruct *read_line(char *buf, filestruct *prevnode, bool
 	*first_line_ins, size_t buf_len);
-void load_file(void);
 void read_file(FILE *f, const char *filename);
 int open_file(const char *filename, bool newfie, FILE **f);
 char *get_next_filename(const char *name, const char *suffix);
 #ifndef NANO_SMALL
 void execute_command(const char *command);
 #endif
-void load_buffer(const char *name);
 void do_insertfile(
 #ifndef NANO_SMALL
 	bool execute
@@ -381,7 +362,7 @@ void die(const char *msg, ...);
 void die_save_file(const char *die_filename);
 void check_die_too_small(void);
 void resize_variables(void);
-void global_init(bool save_cutbuffer);
+void resize_init(void);
 void window_init(void);
 #ifndef DISABLE_MOUSE
 void mouse_init(void);
@@ -706,8 +687,8 @@ void do_replace_highlight(bool highlight, const char *word);
 int check_linenumbers(const filestruct *fileptr);
 #endif
 #ifdef DEBUG
-void dump_buffer(const filestruct *inptr);
-void dump_buffer_reverse(void);
+void dump_filestruct(const filestruct *inptr);
+void dump_filestruct_reverse(void);
 #endif
 #ifdef NANO_EXTRA
 void do_credits(void);

src/search.c

@@ -57,6 +57,7 @@ int regexp_init(const char *regexp)
 	);
 
     assert(!regexp_compiled);
+
     if (rc != 0) {
 	size_t len = regerror(rc, &search_regexp, NULL, 0);
 	char *str = charalloc(len);
@@ -100,7 +101,7 @@ void search_abort(void)
 {
     display_main_list();
 #ifndef NANO_SMALL
-    if (ISSET(MARK_ISSET))
+    if (openfile->mark_set)
 	edit_refresh();
 #endif
 #ifdef HAVE_REGEX_H
@@ -192,13 +193,9 @@ int search_init(bool replacing, bool use_answer)
 
 	replacing ?
 #ifndef NANO_SMALL
-		(ISSET(MARK_ISSET) ? _(" (to replace) in selection") :
-#endif
-		_(" (to replace)")
-#ifndef NANO_SMALL
-		)
+		openfile->mark_set ? _(" (to replace) in selection") :
 #endif
-		: "",
+		_(" (to replace)") : "",
 
 	buf);
 
@@ -246,8 +243,8 @@ int search_init(bool replacing, bool use_answer)
 		backupstring = mallocstrcpy(backupstring, answer);
 		return -2;	/* Call the opposite search function. */
 	    case NANO_TOGOTOLINE_KEY:
-		do_gotolinecolumn(current->lineno, placewewant + 1,
-			TRUE, TRUE, FALSE);
+		do_gotolinecolumn(openfile->current->lineno,
+			openfile->placewewant + 1, TRUE, TRUE, FALSE);
 				/* Put answer up on the statusbar and
 				 * fall through. */
 	    default:
@@ -293,13 +290,13 @@ bool findnextstr(bool can_display_wrap, bool wholeword, bool
 	no_sameline, const filestruct *begin, size_t beginx, const char
 	*needle, size_t *needle_len)
 {
-    filestruct *fileptr = current;
+    filestruct *fileptr = openfile->current;
     const char *rev_start = NULL, *found = NULL;
     size_t found_len;
 	/* The length of the match we found. */
     size_t current_x_find = 0;
 	/* The location of the match we found. */
-    ssize_t current_y_find = current_y;
+    ssize_t current_y_find = openfile->current_y;
 
     /* rev_start might end up 1 character before the start or after the
      * end of the line.  This won't be a problem because strstrwrapper()
@@ -308,9 +305,10 @@ bool findnextstr(bool can_display_wrap, bool wholeword, bool
      * previous or next line. */
     rev_start =
 #ifndef NANO_SMALL
-	ISSET(BACKWARDS_SEARCH) ? fileptr->data + (current_x - 1) :
+	ISSET(BACKWARDS_SEARCH) ?
+	fileptr->data + (openfile->current_x - 1) :
 #endif
-	fileptr->data + (current_x + 1);
+	fileptr->data + (openfile->current_x + 1);
 
     /* Look for needle in searchstr. */
     while (TRUE) {
@@ -345,7 +343,7 @@ bool findnextstr(bool can_display_wrap, bool wholeword, bool
 	     * a match on the same line we started on and this potential
 	     * match is on that line, continue searching. */
 	    if ((!wholeword || found_whole) && (!no_sameline ||
-		fileptr != current))
+		fileptr != openfile->current))
 		break;
 	}
 
@@ -375,11 +373,11 @@ bool findnextstr(bool can_display_wrap, bool wholeword, bool
 
 #ifndef NANO_SMALL
 	    if (ISSET(BACKWARDS_SEARCH)) {
-		fileptr = filebot;
+		fileptr = openfile->filebot;
 		current_y_find = editwinrows - 1;
 	    } else {
 #endif
-		fileptr = fileage;
+		fileptr = openfile->fileage;
 		current_y_find = 0;
 #ifndef NANO_SMALL
 	    }
@@ -417,11 +415,11 @@ bool findnextstr(bool can_display_wrap, bool wholeword, bool
 	return FALSE;
     }
 
-    /* Set globals now that we are sure we found something. */
-    current = fileptr;
-    current_x = current_x_find;
-    current_y = current_y_find;
-    placewewant = xplustabs();
+    /* We've definitely found something. */
+    openfile->current = fileptr;
+    openfile->current_x = current_x_find;
+    openfile->current_y = current_y_find;
+    openfile->placewewant = xplustabs();
 
     /* needle_len holds the length of needle. */
     if (needle_len != NULL)
@@ -438,10 +436,11 @@ void findnextstr_wrap_reset(void)
 /* Search for a string. */
 void do_search(void)
 {
-    size_t old_pww = placewewant, fileptr_x = current_x;
+    size_t old_pww = openfile->placewewant;
+    size_t fileptr_x = openfile->current_x;
     int i;
     bool didfind;
-    filestruct *fileptr = current;
+    filestruct *fileptr = openfile->current;
 
 #ifndef DISABLE_WRAPPING
     wrap_reset();
@@ -476,12 +475,13 @@ void do_search(void)
 #endif
 
     findnextstr_wrap_reset();
-    didfind = findnextstr(TRUE, FALSE, FALSE, current, current_x,
-	answer, NULL);
+    didfind = findnextstr(TRUE, FALSE, FALSE, openfile->current,
+	openfile->current_x, answer, NULL);
 
     /* Check to see if there's only one occurrence of the string and
      * we're on it now. */
-    if (fileptr == current && fileptr_x == current_x && didfind) {
+    if (fileptr == openfile->current && fileptr_x ==
+	openfile->current_x && didfind) {
 #ifdef HAVE_REGEX_H
 	/* Do the search again, skipping over the current line, if we're
 	 * doing a bol and/or eol regex search ("^", "$", or "^$"), so
@@ -490,9 +490,10 @@ void do_search(void)
 	 * which case it's the only occurrence. */
 	if (ISSET(USE_REGEXP) && regexp_bol_or_eol(&search_regexp,
 		last_search)) {
-	    didfind = findnextstr(TRUE, FALSE, TRUE, current, current_x,
-		answer, NULL);
-	    if (fileptr == current && fileptr_x == current_x && !didfind)
+	    didfind = findnextstr(TRUE, FALSE, TRUE, openfile->current,
+		openfile->current_x, answer, NULL);
+	    if (fileptr == openfile->current && fileptr_x ==
+		openfile->current_x && !didfind)
 		statusbar(_("This is the only occurrence"));
 	} else {
 #endif
@@ -502,7 +503,7 @@ void do_search(void)
 #endif
     }
 
-    placewewant = xplustabs();
+    openfile->placewewant = xplustabs();
     edit_redraw(fileptr, old_pww);
     search_abort();
 }
@@ -511,9 +512,10 @@ void do_search(void)
 /* Search for the next string without prompting. */
 void do_research(void)
 {
-    size_t old_pww = placewewant, fileptr_x = current_x;
+    size_t old_pww = openfile->placewewant;
+    size_t fileptr_x = openfile->current_x;
     bool didfind;
-    filestruct *fileptr = current;
+    filestruct *fileptr = openfile->current;
 
 #ifndef DISABLE_WRAPPING
     wrap_reset();
@@ -530,12 +532,13 @@ void do_research(void)
 #endif
 
 	findnextstr_wrap_reset();
-	didfind = findnextstr(TRUE, FALSE, FALSE, current, current_x,
-		last_search, NULL);
+	didfind = findnextstr(TRUE, FALSE, FALSE, openfile->current,
+		openfile->current_x, last_search, NULL);
 
 	/* Check to see if there's only one occurrence of the string and
 	 * we're on it now. */
-	if (fileptr == current && fileptr_x == current_x && didfind) {
+	if (fileptr == openfile->current && fileptr_x ==
+		openfile->current_x && didfind) {
 #ifdef HAVE_REGEX_H
 	    /* Do the search again, skipping over the current line, if
 	     * we're doing a bol and/or eol regex search ("^", "$", or
@@ -544,10 +547,11 @@ void do_research(void)
 	     * found again, in which case it's the only occurrence. */
 	    if (ISSET(USE_REGEXP) && regexp_bol_or_eol(&search_regexp,
 		last_search)) {
-		didfind = findnextstr(TRUE, FALSE, TRUE, current,
-			current_x, answer, NULL);
-		if (fileptr == current && fileptr_x == current_x &&
-			!didfind)
+		didfind = findnextstr(TRUE, FALSE, TRUE,
+			openfile->current, openfile->current_x, answer,
+			NULL);
+		if (fileptr == openfile->current && fileptr_x ==
+			openfile->current_x && !didfind)
 		    statusbar(_("This is the only occurrence"));
 	    } else {
 #endif
@@ -559,7 +563,7 @@ void do_research(void)
     } else
         statusbar(_("No current search pattern"));
 
-    placewewant = xplustabs();
+    openfile->placewewant = xplustabs();
     edit_redraw(fileptr, old_pww);
     search_abort();
 }
@@ -579,18 +583,18 @@ int replace_regexp(char *string, bool create)
      * subexpressions \1 to \9 in the replaced text). */
 
     const char *c = last_replace;
-    size_t search_match_count =
-	regmatches[0].rm_eo - regmatches[0].rm_so;
-    size_t new_line_size =
-	strlen(current->data) + 1 - search_match_count;
+    size_t search_match_count = regmatches[0].rm_eo -
+	regmatches[0].rm_so;
+    size_t new_line_size = strlen(openfile->current->data) + 1 -
+	search_match_count;
 
     /* Iterate through the replacement text to handle subexpression
      * replacement using \1, \2, \3, etc. */
     while (*c != '\0') {
 	int num = (int)(*(c + 1) - '0');
 
-	if (*c != '\\' || num < 1 || num > 9 ||
-		num > search_regexp.re_nsub) {
+	if (*c != '\\' || num < 1 || num > 9 || num >
+		search_regexp.re_nsub) {
 	    if (create)
 		*string++ = *c;
 	    c++;
@@ -607,8 +611,8 @@ int replace_regexp(char *string, bool create)
 	    /* And if create is TRUE, append the result of the
 	     * subexpression match to the new line. */
 	    if (create) {
-		strncpy(string, current->data + current_x +
-			regmatches[num].rm_so, i);
+		strncpy(string, openfile->current->data +
+			openfile->current_x + regmatches[num].rm_so, i);
 		string += i;
 	    }
 	}
@@ -634,8 +638,8 @@ char *replace_line(const char *needle)
     } else {
 #endif
 	search_match_count = strlen(needle);
-	new_line_size = strlen(current->data) - search_match_count +
-	    strlen(answer) + 1;
+	new_line_size = strlen(openfile->current->data) -
+		search_match_count + strlen(answer) + 1;
 #ifdef HAVE_REGEX_H
     }
 #endif
@@ -644,20 +648,21 @@ char *replace_line(const char *needle)
     copy = charalloc(new_line_size);
 
     /* The head of the original line. */
-    strncpy(copy, current->data, current_x);
+    strncpy(copy, openfile->current->data, openfile->current_x);
 
     /* The replacement text. */
 #ifdef HAVE_REGEX_H
     if (ISSET(USE_REGEXP))
-	replace_regexp(copy + current_x, TRUE);
+	replace_regexp(copy + openfile->current_x, TRUE);
     else
 #endif
-	strcpy(copy + current_x, answer);
+	strcpy(copy + openfile->current_x, answer);
 
     /* The tail of the original line. */
-    assert(current_x + search_match_count <= strlen(current->data));
+    assert(openfile->current_x + search_match_count <= strlen(openfile->current->data));
 
-    strcat(copy, current->data + current_x + search_match_count);
+    strcat(copy, openfile->current->data + openfile->current_x +
+	search_match_count);
 
     return copy;
 }
@@ -682,8 +687,8 @@ ssize_t do_replace_loop(const char *needle, const filestruct
     bool begin_line = FALSE, bol_or_eol = FALSE;
 #endif
 #ifndef NANO_SMALL
-    bool old_mark_set = ISSET(MARK_ISSET);
-    filestruct *edittop_save = edittop, *top, *bot;
+    bool old_mark_set = openfile->mark_set;
+    filestruct *edittop_save = openfile->edittop, *top, *bot;
     size_t top_x, bot_x;
     bool right_side_up = FALSE;
 	/* TRUE if (mark_beginbuf, mark_beginx) is the top of the mark,
@@ -696,8 +701,8 @@ ssize_t do_replace_loop(const char *needle, const filestruct
 	mark_order((const filestruct **)&top, &top_x,
 	    (const filestruct **)&bot, &bot_x, &right_side_up);
 	filepart = partition_filestruct(top, top_x, bot, bot_x);
-	edittop = fileage;
-	UNSET(MARK_ISSET);
+	openfile->edittop = openfile->fileage;
+	openfile->mark_set = FALSE;
 	edit_refresh();
     }
 #endif
@@ -724,13 +729,14 @@ ssize_t do_replace_loop(const char *needle, const filestruct
 	 * beginning line already, and we're still on the beginning line
 	 * after the search, it means that we've wrapped around, so
 	 * we're done. */
-	if (bol_or_eol && begin_line && current == real_current)
+	if (bol_or_eol && begin_line && openfile->current ==
+		real_current)
 	    break;
 	/* Otherwise, set the begin_line flag if we've found a match on
 	 * the beginning line, reset the bol_or_eol flag, and
 	 * continue. */
 	else {
-	    if (current == real_current)
+	    if (openfile->current == real_current)
 		begin_line = TRUE;
 	    bol_or_eol = FALSE;
 	}
@@ -745,9 +751,9 @@ ssize_t do_replace_loop(const char *needle, const filestruct
 
 	if (!replaceall) {
 	    size_t xpt = xplustabs();
-	    char *exp_word = display_string(current->data, xpt,
-		strnlenpt(current->data, current_x + match_len) - xpt,
-		FALSE);
+	    char *exp_word = display_string(openfile->current->data,
+		xpt, strnlenpt(openfile->current->data,
+		openfile->current_x + match_len) - xpt, FALSE);
 
 	    curs_set(0);
 
@@ -785,19 +791,21 @@ ssize_t do_replace_loop(const char *needle, const filestruct
 
 	    copy = replace_line(needle);
 
-	    length_change = strlen(copy) - strlen(current->data);
+	    length_change = strlen(copy) -
+		strlen(openfile->current->data);
 
 #ifndef NANO_SMALL
 	    /* If the mark was on and (mark_beginbuf, mark_begin_x) was
 	     * the top of it, don't change mark_beginx. */
 	    if (!old_mark_set || !right_side_up) {
 		/* Keep mark_beginx in sync with the text changes. */
-		if (current == mark_beginbuf &&
-			mark_beginx > current_x) {
-		    if (mark_beginx < current_x + match_len)
-			mark_beginx = current_x;
+		if (openfile->current == openfile->mark_beginbuf &&
+			openfile->mark_beginx > openfile->current_x) {
+		    if (openfile->mark_beginx < openfile->current_x +
+			match_len)
+			openfile->mark_beginx = openfile->current_x;
 		    else
-			mark_beginx += length_change;
+			openfile->mark_beginx += length_change;
 		}
 	    }
 
@@ -806,10 +814,12 @@ ssize_t do_replace_loop(const char *needle, const filestruct
 	    if (!old_mark_set || right_side_up) {
 #endif
 		/* Keep real_current_x in sync with the text changes. */
-		if (current == real_current &&
-			current_x <= *real_current_x) {
-		    if (*real_current_x < current_x + match_len)
-			*real_current_x = current_x + match_len;
+		if (openfile->current == real_current &&
+			openfile->current_x <= *real_current_x) {
+		    if (*real_current_x <
+			openfile->current_x + match_len)
+			*real_current_x = openfile->current_x +
+				match_len;
 		    *real_current_x += length_change;
 		}
 #ifndef NANO_SMALL
@@ -823,12 +833,12 @@ ssize_t do_replace_loop(const char *needle, const filestruct
 #ifndef NANO_SMALL
 	    if (!ISSET(BACKWARDS_SEARCH))
 #endif
-		current_x += match_len + length_change - 1;
+		openfile->current_x += match_len + length_change - 1;
 
 	    /* Cleanup. */
-	    totsize += length_change;
-	    free(current->data);
-	    current->data = copy;
+	    openfile->totsize += length_change;
+	    free(openfile->current->data);
+	    openfile->current->data = copy;
 
 	    if (!replaceall) {
 #ifdef ENABLE_COLOR
@@ -836,7 +846,7 @@ ssize_t do_replace_loop(const char *needle, const filestruct
 		    edit_refresh();
 		else
 #endif
-		    update_line(current, current_x);
+		    update_line(openfile->current, openfile->current_x);
 	    }
 
 	    set_modified();
@@ -850,14 +860,14 @@ ssize_t do_replace_loop(const char *needle, const filestruct
 	 * contains all the text again, set edittop back to what it was
 	 * before, turn the mark back on, and refresh the screen. */
 	unpartition_filestruct(&filepart);
-	edittop = edittop_save;
-	SET(MARK_ISSET);
+	openfile->edittop = edittop_save;
+	openfile->mark_set = TRUE;
 	edit_refresh();
     }
 #endif
 
     /* If text has been added to the magicline, make a new magicline. */
-    if (filebot->data[0] != '\0')
+    if (openfile->filebot->data[0] != '\0')
 	new_magicline();
 
     return numreplaced;
@@ -929,19 +939,19 @@ void do_replace(void)
     last_replace = mallocstrcpy(last_replace, answer);
 
     /* Save where we are. */
-    edittop_save = edittop;
-    begin = current;
-    beginx = current_x;
-    pww_save = placewewant;
+    edittop_save = openfile->edittop;
+    begin = openfile->current;
+    beginx = openfile->current_x;
+    pww_save = openfile->placewewant;
 
     numreplaced = do_replace_loop(last_search, begin, &beginx, FALSE,
 	NULL);
 
     /* Restore where we were. */
-    edittop = edittop_save;
-    current = begin;
-    current_x = beginx;
-    placewewant = pww_save;
+    openfile->edittop = edittop_save;
+    openfile->current = begin;
+    openfile->current_x = beginx;
+    openfile->placewewant = pww_save;
 
     renumber_all();
     edit_refresh();
@@ -997,17 +1007,18 @@ void do_gotolinecolumn(ssize_t line, ssize_t column, bool use_answer,
 	}
     } else {
 	if (line < 1)
-	    line = current->lineno;
+	    line = openfile->current->lineno;
 
 	if (column < 1)
-	    column = placewewant + 1;
+	    column = openfile->placewewant + 1;
     }
 
-    for (current = fileage; current->next != NULL && line > 1; line--)
-	current = current->next;
+    for (openfile->current = openfile->fileage;
+	openfile->current->next != NULL && line > 1; line--)
+	openfile->current = openfile->current->next;
 
-    current_x = actual_x(current->data, column - 1);
-    placewewant = column - 1;
+    openfile->current_x = actual_x(openfile->current->data, column - 1);
+    openfile->placewewant = column - 1;
 
     /* If save_pos is TRUE, don't change the cursor position when
      * updating the edit window. */
@@ -1018,8 +1029,8 @@ void do_gotolinecolumn(ssize_t line, ssize_t column, bool use_answer,
 
 void do_gotolinecolumn_void(void)
 {
-    do_gotolinecolumn(current->lineno, placewewant + 1, FALSE, TRUE,
-	FALSE);
+    do_gotolinecolumn(openfile->current->lineno,
+	openfile->placewewant + 1, FALSE, TRUE, FALSE);
 }
 
 #if defined(ENABLE_MULTIBUFFER) || !defined(DISABLE_SPELLER)
@@ -1028,12 +1039,12 @@ void do_gotopos(ssize_t line, size_t pos_x, ssize_t pos_y, size_t
 {
     /* Since do_gotolinecolumn() resets the x-coordinate but not the
      * y-coordinate, set the coordinates up this way. */
-    current_y = pos_y;
+    openfile->current_y = pos_y;
     do_gotolinecolumn(line, pos_x + 1, FALSE, FALSE, TRUE);
 
     /* Set the rest of the coordinates up. */
-    placewewant = pos_pww;
-    update_line(current, pos_x);
+    openfile->placewewant = pos_pww;
+    update_line(openfile->current, pos_x);
 }
 #endif
 
@@ -1049,7 +1060,7 @@ void do_find_bracket(void)
     bool backwards_search_set = ISSET(BACKWARDS_SEARCH);
     filestruct *current_save;
 
-    cursor_ch = current->data[current_x];
+    cursor_ch = openfile->current->data[openfile->current_x];
     pos = strchr(bracket_pat, cursor_ch);
 
     if (cursor_ch == '\0' || pos == NULL) {
@@ -1062,9 +1073,9 @@ void do_find_bracket(void)
     wanted_ch =
 	bracket_pat[(strlen(bracket_pat) - 1) - (pos - bracket_pat)];
 
-    current_save = current;
-    current_x_save = current_x;
-    pww_save = placewewant;
+    current_save = openfile->current;
+    current_x_save = openfile->current_x;
+    pww_save = openfile->placewewant;
     SET(USE_REGEXP);
 
     /* Apparent near redundancy with regexp_pat[] here is needed.
@@ -1088,23 +1099,24 @@ void do_find_bracket(void)
 
     findnextstr_wrap_reset();
     while (TRUE) {
-	if (findnextstr(FALSE, FALSE, FALSE, current, current_x,
-		regexp_pat, NULL)) {
+	if (findnextstr(FALSE, FALSE, FALSE, openfile->current,
+		openfile->current_x, regexp_pat, NULL)) {
 	    /* Found identical bracket. */
-	    if (current->data[current_x] == cursor_ch)
+	    if (openfile->current->data[openfile->current_x] ==
+		cursor_ch)
 		count++;
 	    /* Found complementary bracket. */
 	    else if (--count == 0) {
-		placewewant = xplustabs();
+		openfile->placewewant = xplustabs();
 		edit_redraw(current_save, pww_save);
 		break;
 	    }
 	} else {
 	    /* Didn't find either a left or right bracket. */
 	    statusbar(_("No matching bracket"));
-	    current = current_save;
-	    current_x = current_x_save;
-	    update_line(current, current_x);
+	    openfile->current = current_save;
+	    openfile->current_x = current_x_save;
+	    update_line(openfile->current, openfile->current_x);
 	    break;
 	}
     }

src/utils.c

@@ -375,14 +375,14 @@ char *mallocstrassn(char *dest, char *src)
 /* Append a new magicline to filebot. */
 void new_magicline(void)
 {
-    filebot->next = (filestruct *)nmalloc(sizeof(filestruct));
-    filebot->next->data = mallocstrcpy(NULL, "");
-    filebot->next->prev = filebot;
-    filebot->next->next = NULL;
-    filebot->next->lineno = filebot->lineno + 1;
-    filebot = filebot->next;
-    totlines++;
-    totsize++;
+    openfile->filebot->next = (filestruct *)nmalloc(sizeof(filestruct));
+    openfile->filebot->next->data = mallocstrcpy(NULL, "");
+    openfile->filebot->next->prev = openfile->filebot;
+    openfile->filebot->next->next = NULL;
+    openfile->filebot->next->lineno = openfile->filebot->lineno + 1;
+    openfile->filebot = openfile->filebot->next;
+    openfile->totlines++;
+    openfile->totsize++;
 }
 
 #ifndef NANO_SMALL
@@ -390,12 +390,13 @@ void new_magicline(void)
  * only line in the file. */
 void remove_magicline(void)
 {
-    if (filebot->data[0] == '\0' && filebot->prev != NULL) {
-	filebot = filebot->prev;
-	free_filestruct(filebot->next);
-	filebot->next = NULL;
-	totlines--;
-	totsize--;
+    if (openfile->filebot->data[0] == '\0' &&
+	openfile->filebot->prev != NULL) {
+	openfile->filebot = openfile->filebot->prev;
+	free_filestruct(openfile->filebot->next);
+	openfile->filebot->next = NULL;
+	openfile->totlines--;
+	openfile->totsize--;
     }
 }
 
@@ -409,19 +410,20 @@ void mark_order(const filestruct **top, size_t *top_x, const filestruct
 {
     assert(top != NULL && top_x != NULL && bot != NULL && bot_x != NULL);
 
-    if ((current->lineno == mark_beginbuf->lineno && current_x >
-	mark_beginx) || current->lineno > mark_beginbuf->lineno) {
-	*top = mark_beginbuf;
-	*top_x = mark_beginx;
-	*bot = current;
-	*bot_x = current_x;
+    if ((openfile->current->lineno == openfile->mark_beginbuf->lineno &&
+	openfile->current_x > openfile->mark_beginx) ||
+	openfile->current->lineno > openfile->mark_beginbuf->lineno) {
+	*top = openfile->mark_beginbuf;
+	*top_x = openfile->mark_beginx;
+	*bot = openfile->current;
+	*bot_x = openfile->current_x;
 	if (right_side_up != NULL)
 	    *right_side_up = TRUE;
     } else {
-	*bot = mark_beginbuf;
-	*bot_x = mark_beginx;
-	*top = current;
-	*top_x = current_x;
+	*bot = openfile->mark_beginbuf;
+	*bot_x = openfile->mark_beginx;
+	*top = openfile->current;
+	*top_x = openfile->current_x;
 	if (right_side_up != NULL)
 	    *right_side_up = FALSE;
     }

src/winio.c

@@ -1688,7 +1688,7 @@ int do_statusbar_input(bool *meta_key, bool *func_key, bool *s_or_t,
 	    /* If we're using restricted mode, the filename isn't blank,
 	     * and we're at the "Write File" prompt, disable text
 	     * input. */
-	    if (!ISSET(RESTRICTED) || filename[0] == '\0' ||
+	    if (!ISSET(RESTRICTED) || openfile->filename[0] == '\0' ||
 		currshortcut != writefile_list) {
 		kbinput_len++;
 		kbinput = (int *)nrealloc(kbinput, kbinput_len *
@@ -1748,24 +1748,24 @@ int do_statusbar_input(bool *meta_key, bool *func_key, bool *s_or_t,
 		    /* If we're using restricted mode, the filename
 		     * isn't blank, and we're at the "Write File"
 		     * prompt, disable Backspace. */
-		    if (!ISSET(RESTRICTED) || filename[0] == '\0' ||
-			currshortcut != writefile_list)
+		    if (!ISSET(RESTRICTED) || openfile->filename[0] ==
+			'\0' || currshortcut != writefile_list)
 			do_statusbar_backspace();
 		    break;
 		case NANO_DELETE_KEY:
 		    /* If we're using restricted mode, the filename
 		     * isn't blank, and we're at the "Write File"
 		     * prompt, disable Delete. */
-		    if (!ISSET(RESTRICTED) || filename[0] == '\0' ||
-			currshortcut != writefile_list)
+		    if (!ISSET(RESTRICTED) || openfile->filename[0] ==
+			'\0' || currshortcut != writefile_list)
 			do_statusbar_delete();
 		    break;
 		case NANO_CUT_KEY:
 		    /* If we're using restricted mode, the filename
 		     * isn't blank, and we're at the "Write File"
 		     * prompt, disable Cut. */
-		    if (!ISSET(RESTRICTED) || filename[0] == '\0' ||
-			currshortcut != writefile_list)
+		    if (!ISSET(RESTRICTED) || openfile->filename[0] ==
+			'\0' || currshortcut != writefile_list)
 			do_statusbar_cut_text();
 		    break;
 #ifndef NANO_SMALL
@@ -1782,7 +1782,8 @@ int do_statusbar_input(bool *meta_key, bool *func_key, bool *s_or_t,
 			/* If we're using restricted mode, the filename
 			 * isn't blank, and we're at the "Write File"
 			 * prompt, disable verbatim input. */
-			if (!ISSET(RESTRICTED) || filename[0] == '\0' ||
+			if (!ISSET(RESTRICTED) ||
+				openfile->filename[0] == '\0' ||
 				currshortcut != writefile_list) {
 			    bool got_enter;
 				/* Whether we got the Enter key. */
@@ -2149,7 +2150,7 @@ void do_statusbar_output(char *output, size_t output_len, bool
  * current_x. */
 size_t xplustabs(void)
 {
-    return strnlenpt(current->data, current_x);
+    return strnlenpt(openfile->current->data, openfile->current_x);
 }
 
 /* actual_x() gives the index in str of the character displayed at
@@ -2751,7 +2752,7 @@ void titlebar(const char *path)
     bool dots = FALSE;
 	/* Do we put an ellipsis before the path? */
 
-    assert(path != NULL || filename != NULL);
+    assert(path != NULL || openfile->filename != NULL);
     assert(COLS >= 0);
 
     wattron(topwin, A_REVERSE);
@@ -2775,7 +2776,7 @@ void titlebar(const char *path)
 	waddstr(topwin, "  ");
     }
 
-    if (ISSET(MODIFIED))
+    if (openfile->modified)
 	state = _("Modified");
     else if (ISSET(VIEW_MODE))
 	state = _("View");
@@ -2787,7 +2788,7 @@ void titlebar(const char *path)
     statelen = strnlenpt(state, COLS);
 
     /* We need a space before state. */
-    if ((ISSET(MODIFIED) || ISSET(VIEW_MODE)) && statelen < COLS)
+    if ((openfile->modified || ISSET(VIEW_MODE)) && statelen < COLS)
 	statelen++;
 
     assert(space >= 0);
@@ -2800,7 +2801,7 @@ void titlebar(const char *path)
 	prefix = _("DIR:");
     else
 #endif
-    if (filename[0] == '\0') {
+    if (openfile->filename[0] == '\0') {
 	prefix = _("New Buffer");
 	newfie = TRUE;
     } else
@@ -2815,7 +2816,7 @@ void titlebar(const char *path)
 	prefixlen++;
 
     if (path == NULL)
-	path = filename;
+	path = openfile->filename;
     if (space >= prefixlen + statelen)
 	space -= prefixlen + statelen;
     else
@@ -2881,11 +2882,12 @@ void titlebar(const char *path)
     wrefresh(edit);
 }
 
-/* If MODIFIED is not already set, set it and update the titlebar. */
+/* Set the modified flag if it isn't already set, and then update the
+ * titlebar. */
 void set_modified(void)
 {
-    if (!ISSET(MODIFIED)) {
-	SET(MODIFIED);
+    if (!openfile->modified) {
+	openfile->modified = TRUE;
 	titlebar(NULL);
     }
 }
@@ -3061,15 +3063,16 @@ void reset_cursor(void)
 {
     /* If we haven't opened any files yet, put the cursor in the top
      * left corner of the edit window and get out. */
-    if (edittop == NULL || current == NULL) {
+    if (openfile->edittop == NULL || openfile->current == NULL) {
 	wmove(edit, 0, 0);
 	return;
     }
 
-    current_y = current->lineno - edittop->lineno;
-    if (current_y < editwinrows) {
+    openfile->current_y = openfile->current->lineno -
+	openfile->edittop->lineno;
+    if (openfile->current_y < editwinrows) {
 	size_t x = xplustabs();
-	wmove(edit, current_y, x - get_page_start(x));
+	wmove(edit, openfile->current_y, x - get_page_start(x));
      }
 }
 
@@ -3335,13 +3338,12 @@ void edit_add(const filestruct *fileptr, const char *converted, int
 #endif /* ENABLE_COLOR */
 
 #ifndef NANO_SMALL
-    if (ISSET(MARK_ISSET)
-	    && (fileptr->lineno <= mark_beginbuf->lineno
-		|| fileptr->lineno <= current->lineno)
-	    && (fileptr->lineno >= mark_beginbuf->lineno
-		|| fileptr->lineno >= current->lineno)) {
+    if (openfile->mark_set && (fileptr->lineno <=
+	openfile->mark_beginbuf->lineno || fileptr->lineno <=
+	openfile->current->lineno) && (fileptr->lineno >=
+	openfile->mark_beginbuf->lineno || fileptr->lineno >=
+	openfile->current->lineno)) {
 	/* fileptr is at least partially selected. */
-
 	const filestruct *top;
 	    /* Either current or mark_beginbuf, whichever is first. */
 	size_t top_x;
@@ -3424,7 +3426,7 @@ void update_line(const filestruct *fileptr, size_t index)
 
     assert(fileptr != NULL);
 
-    line = fileptr->lineno - edittop->lineno;
+    line = fileptr->lineno - openfile->edittop->lineno;
 
     /* We assume the line numbers are valid.  Is that really true? */
     assert(line < 0 || line == check_linenumbers(fileptr));
@@ -3437,7 +3439,8 @@ void update_line(const filestruct *fileptr, size_t index)
 
     /* Next, convert variables that index the line to their equivalent
      * positions in the expanded line. */
-    index = (fileptr == current) ? strnlenpt(fileptr->data, index) : 0;
+    index = (fileptr == openfile->current) ? strnlenpt(fileptr->data,
+	index) : 0;
     page_start = get_page_start(index);
 
     /* Expand the line, replacing tabs with spaces, and control
@@ -3461,9 +3464,10 @@ int need_horizontal_update(size_t old_pww)
 {
     return
 #ifndef NANO_SMALL
-	ISSET(MARK_ISSET) ||
+	openfile->mark_set ||
 #endif
-	get_page_start(old_pww) != get_page_start(placewewant);
+	get_page_start(old_pww) !=
+	get_page_start(openfile->placewewant);
 }
 
 /* Return a nonzero value if we need an update after moving vertically.
@@ -3473,9 +3477,10 @@ int need_vertical_update(size_t old_pww)
 {
     return
 #ifndef NANO_SMALL
-	ISSET(MARK_ISSET) ||
+	openfile->mark_set ||
 #endif
-	get_page_start(old_pww) != get_page_start(placewewant);
+	get_page_start(old_pww) !=
+	get_page_start(openfile->placewewant);
 }
 
 /* Scroll the edit window in the given direction and the given number
@@ -3503,14 +3508,14 @@ void edit_scroll(updown direction, int nlines)
      * how many lines we moved in scroll_rows. */
     for (i = nlines; i > 0; i--) {
 	if (direction == UP) {
-	    if (edittop->prev == NULL)
+	    if (openfile->edittop->prev == NULL)
 		break;
-	    edittop = edittop->prev;
+	    openfile->edittop = openfile->edittop->prev;
 	    scroll_rows--;
 	} else {
-	    if (edittop->next == NULL)
+	    if (openfile->edittop->next == NULL)
 		break;
-	    edittop = edittop->next;
+	    openfile->edittop = openfile->edittop->next;
 	    scroll_rows++;
 	}
     }
@@ -3521,7 +3526,7 @@ void edit_scroll(updown direction, int nlines)
     wscrl(edit, scroll_rows);
     scrollok(edit, FALSE);
 
-    foo = edittop;
+    foo = openfile->edittop;
     if (direction != UP) {
 	int slines = editwinrows - nlines;
 	for (; slines > 0 && foo != NULL; slines--)
@@ -3552,10 +3557,11 @@ void edit_redraw(const filestruct *old_current, size_t old_pww)
 
     /* If either old_current or current is offscreen, refresh the screen
      * and get out. */
-    if (old_current->lineno < edittop->lineno || old_current->lineno >=
-	edittop->lineno + editwinrows || current->lineno <
-	edittop->lineno || current->lineno >= edittop->lineno +
-	editwinrows) {
+    if (old_current->lineno < openfile->edittop->lineno ||
+	old_current->lineno >= openfile->edittop->lineno +
+	editwinrows || openfile->current->lineno <
+	openfile->edittop->lineno || openfile->current->lineno >=
+	openfile->edittop->lineno + editwinrows) {
 	edit_refresh();
 	return;
     }
@@ -3564,27 +3570,30 @@ void edit_redraw(const filestruct *old_current, size_t old_pww)
      * and/or we're not on the same page as before.  If the mark is on,
      * update all the lines between old_current and current too. */
     foo = old_current;
-    while (foo != current) {
+    while (foo != openfile->current) {
 	if (do_refresh)
 	    update_line(foo, 0);
 #ifndef NANO_SMALL
-	if (!ISSET(MARK_ISSET))
+	if (!openfile->mark_set)
 #endif
 	    break;
-	if (foo->lineno > current->lineno)
+#ifndef NANO_SMALL
+	if (foo->lineno > openfile->current->lineno)
 	    foo = foo->prev;
 	else
 	    foo = foo->next;
+#endif
     }
     if (do_refresh)
-	update_line(current, current_x);
+	update_line(openfile->current, openfile->current_x);
 }
 
 /* Refresh the screen without changing the position of lines. */
 void edit_refresh(void)
 {
-    if (current->lineno < edittop->lineno ||
-	    current->lineno >= edittop->lineno + editwinrows)
+    if (openfile->current->lineno < openfile->edittop->lineno ||
+	openfile->current->lineno >= openfile->edittop->lineno +
+	editwinrows)
 	/* Note that edit_update() changes edittop so that it's in range
 	 * of current.  Thus, when it then calls edit_refresh(), there
 	 * is no danger of getting an infinite loop. */
@@ -3595,14 +3604,15 @@ void edit_refresh(void)
 		CENTER);
     else {
 	int nlines = 0;
-	const filestruct *foo = edittop;
+	const filestruct *foo = openfile->edittop;
 
 #ifdef DEBUG
-	fprintf(stderr, "edit_refresh(): edittop->lineno = %ld\n", (long)edittop->lineno);
+	fprintf(stderr, "edit_refresh(): edittop->lineno = %ld\n", (long)openfile->edittop->lineno);
 #endif
 
 	while (nlines < editwinrows) {
-	    update_line(foo, foo == current ? current_x : 0);
+	    update_line(foo, foo == openfile->current ?
+		openfile->current_x : 0);
 	    nlines++;
 	    if (foo->next == NULL)
 		break;
@@ -3621,7 +3631,7 @@ void edit_refresh(void)
  * the same place and move edittop to put it in range of current. */
 void edit_update(topmidnone location)
 {
-    filestruct *foo = current;
+    filestruct *foo = openfile->current;
 
     if (location != TOP) {
 	/* If location is CENTER, we move edittop up (editwinrows / 2)
@@ -3637,7 +3647,7 @@ void edit_update(topmidnone location)
 	if (location == CENTER)
 	    goal = editwinrows / 2;
 	else {
-	    goal = current_y;
+	    goal = openfile->current_y;
 
 	    /* Limit goal to (editwinrows - 1) lines maximum. */
 	    if (goal > editwinrows - 1)
@@ -3648,7 +3658,7 @@ void edit_update(topmidnone location)
 	    foo = foo->prev;
     }
 
-    edittop = foo;
+    openfile->edittop = foo;
     edit_refresh();
 }
 
@@ -3800,22 +3810,22 @@ void do_cursorpos(bool constant)
     char c;
     filestruct *f;
     size_t i, cur_xpt = xplustabs() + 1;
-    size_t cur_lenpt = strlenpt(current->data) + 1;
+    size_t cur_lenpt = strlenpt(openfile->current->data) + 1;
     int linepct, colpct, charpct;
 
-    assert(current != NULL && fileage != NULL && totlines != 0);
+    assert(openfile->current != NULL && openfile->fileage != NULL && openfile->totlines != 0);
 
-    c = current->data[current_x];
-    f = current->next;
-    current->data[current_x] = '\0';
-    current->next = NULL;
-    get_totals(fileage, current, NULL, &i);
-    current->data[current_x] = c;
-    current->next = f;
+    c = openfile->current->data[openfile->current_x];
+    f = openfile->current->next;
+    openfile->current->data[openfile->current_x] = '\0';
+    openfile->current->next = NULL;
+    get_totals(openfile->fileage, openfile->current, NULL, &i);
+    openfile->current->data[openfile->current_x] = c;
+    openfile->current->next = f;
 
     /* Check whether totsize is correct.  If it isn't, there is a bug
      * somewhere. */
-    assert(current != filebot || i == totsize);
+    assert(openfile->current != openfile->filebot || i == openfile->totsize);
 
     if (constant && disable_cursorpos) {
 	disable_cursorpos = FALSE;
@@ -3824,15 +3834,17 @@ void do_cursorpos(bool constant)
 
     /* Display the current cursor position on the statusbar, and set 
      * disable_cursorpos to FALSE. */
-    linepct = 100 * current->lineno / totlines;
+    linepct = 100 * openfile->current->lineno / openfile->totlines;
     colpct = 100 * cur_xpt / cur_lenpt;
-    charpct = (totsize == 0) ? 0 : 100 * i / totsize;
+    charpct = (openfile->totsize == 0) ? 0 : 100 * i /
+	openfile->totsize;
 
     statusbar(
 	_("line %ld/%lu (%d%%), col %lu/%lu (%d%%), char %lu/%lu (%d%%)"),
-	(long)current->lineno, (unsigned long)totlines, linepct,
+	(long)openfile->current->lineno,
+	(unsigned long)openfile->totlines, linepct,
 	(unsigned long)cur_xpt, (unsigned long)cur_lenpt, colpct,
-	(unsigned long)i, (unsigned long)totsize, charpct);
+	(unsigned long)i, (unsigned long)openfile->totsize, charpct);
 
     disable_cursorpos = FALSE;
 }
@@ -4045,7 +4057,8 @@ int check_linenumbers(const filestruct *fileptr)
     int check_line = 0;
     const filestruct *filetmp;
 
-    for (filetmp = edittop; filetmp != fileptr; filetmp = filetmp->next)
+    for (filetmp = openfile->edittop; filetmp != fileptr;
+	filetmp = filetmp->next)
 	check_line++;
 
     return check_line;
@@ -4054,9 +4067,9 @@ int check_linenumbers(const filestruct *fileptr)
 
 #ifdef DEBUG
 /* Dump the filestruct inptr to stderr. */
-void dump_buffer(const filestruct *inptr)
+void dump_filestruct(const filestruct *inptr)
 {
-    if (inptr == fileage)
+    if (inptr == openfile->fileage)
 	fprintf(stderr, "Dumping file buffer to stderr...\n");
     else if (inptr == cutbuffer)
 	fprintf(stderr, "Dumping cutbuffer to stderr...\n");
@@ -4070,9 +4083,9 @@ void dump_buffer(const filestruct *inptr)
 }
 
 /* Dump the main filestruct to stderr in reverse. */
-void dump_buffer_reverse(void)
+void dump_filestruct_reverse(void)
 {
-    const filestruct *fileptr = filebot;
+    const filestruct *fileptr = openfile->filebot;
 
     while (fileptr != NULL) {
 	fprintf(stderr, "(%ld) %s\n", (long)fileptr->lineno,