tweaks: fix some whitespace errors, and convert alignment tabs to spaces

src/browser.c

@@ -216,7 +216,7 @@ char *do_browser(char *path)
 				selected = filelist_len - 1;
 			else if (selected + editwinrows * width >= filelist_len)
 				selected = (selected + editwinrows * width - filelist_len) %
-								width +	filelist_len - width;
+								width + filelist_len - width;
 			else
 				selected += editwinrows * width;
 		} else if (func == to_first_file) {

src/chars.c

@@ -646,7 +646,7 @@ char *revstrpbrk(const char *head, const char *accept, const char *pointer)
 {
 	if (*pointer == '\0') {
 		if (pointer == head)
-		   return NULL;
+			return NULL;
 		pointer--;
 	}
 

src/files.c

@@ -258,7 +258,7 @@ int write_lockfile(const char *lockfilename, const char *origfilename, bool modi
 	if (wroteamt < lockdatalen) {
 		statusline(MILD, _("Error writing lock file %s: %s"),
 						lockfilename, ferror(filestream));
- 	fclose(filestream);
+		fclose(filestream);
 		goto free_the_data;
 	}
 
@@ -1452,9 +1452,9 @@ bool outside_of_confinement(const char *currpath, bool allow_tabcomp)
 int prompt_failed_backupwrite(const char *filename)
 {
 	static int response;
-	static char *prevfile = NULL; /* What was the last file we were
-								   * passed so we don't keep asking
-								   * this?  Though maybe we should... */
+	static char *prevfile = NULL;
+		/* The last file we were passed, so we don't keep asking this.
+		 * Though maybe we should? */
 	if (prevfile == NULL || strcmp(filename, prevfile)) {
 		response = do_yesno_prompt(FALSE, _("Failed to write backup file; "
 						"continue saving? (Say N if unsure.) "));
@@ -1471,7 +1471,7 @@ void init_backup_dir(void)
 	backup_dir = free_and_assign(backup_dir, get_full_path(backup_dir));
 
 	/* If we can't get an absolute path (which means it doesn't exist or
-	   isn't accessible), or it's not a directory, fail. */
+	 * isn't accessible), or it's not a directory, fail. */
 	if (backup_dir == NULL || backup_dir[strlen(backup_dir) - 1] != '/')
 		die(_("Invalid backup directory\n"));
 
@@ -2224,8 +2224,8 @@ int do_writeout(bool exiting, bool withprompt)
 				if (ISSET(TEMP_FILE) && withprompt) {
 					free(given);
 					if (response == 1)
-						return write_file(openfile->filename,
-										 NULL, FALSE, OVERWRITE, TRUE);
+						return write_file(openfile->filename, NULL,
+											FALSE, OVERWRITE, TRUE);
 					else if (response == 0)
 						return 2;
 					else

src/global.c

@@ -261,9 +261,9 @@ size_t length_of_list(int menu)
 }
 
 /* To make the functions and shortcuts lists clearer. */
-#define VIEW  TRUE		/* Is allowed in view mode. */
+#define VIEW  TRUE    /* Is allowed in view mode. */
 #define NOVIEW  FALSE
-#define BLANKAFTER  TRUE	/* A blank line after this one. */
+#define BLANKAFTER  TRUE    /* A blank line after this one. */
 #define TOGETHER  FALSE
 
 /* Just throw this here. */

src/help.c

@@ -84,7 +84,7 @@ void wrap_the_help_text(bool redisplaying)
 	while (TRUE) {
 		sum += strlen(openfile->current->data);
 		if (sum > location)
-		   break;
+			break;
 		openfile->current = openfile->current->next;
 	}
 

src/history.c

@@ -328,7 +328,7 @@ void load_history(void)
 				update_history(history, line);
 			} else if (history == &search_history)
 				history = &replace_history;
-		   else
+			else
 				history = &execute_history;
 		}
 

src/nano.c

@@ -1393,7 +1393,7 @@ void do_toggle(int flag)
 			refresh_needed = TRUE;
 			break;
 		case WHITESPACE_DISPLAY:
-			titlebar(NULL);	/* Fall through. */
+			titlebar(NULL);  /* Fall through. */
 #ifdef ENABLE_COLOR
 		case NO_COLOR_SYNTAX:
 #endif
@@ -1815,7 +1815,7 @@ void do_output(char *output, size_t output_len, bool allow_cntrls)
 		i += char_len;
 
 		/* If controls are not allowed, ignore an ASCII control character. */
-		if (!allow_cntrls && is_ascii_cntrl_char(*(output + i -	char_len)))
+		if (!allow_cntrls && is_ascii_cntrl_char(*(output + i - char_len)))
 			continue;
 
 		/* Make room for the new character and copy it into the line. */

src/nano.h

@@ -224,7 +224,7 @@ typedef struct syntaxtype {
 	char *linter;
 		/* The command with which to lint this type of file. */
 	char *formatter;
-	    /* The formatting command (for programming languages mainly). */
+		/* The formatting command (for programming languages mainly). */
 #ifdef ENABLE_COMMENT
 	char *comment;
 		/* The line comment prefix (and postfix) for this type of file. */
@@ -253,17 +253,17 @@ typedef struct lintstruct {
 } lintstruct;
 
 /* Flags that indicate how a multiline regex applies to a line. */
-#define CNONE		(1<<1)
+#define CNONE           (1<<1)
 		/* Yay, regex doesn't apply to this line at all! */
-#define CBEGINBEFORE	(1<<2)
+#define CBEGINBEFORE    (1<<2)
 		/* Regex starts on an earlier line, ends on this one. */
-#define CENDAFTER	(1<<3)
+#define CENDAFTER       (1<<3)
 		/* Regex starts on this line and ends on a later one. */
-#define CWHOLELINE	(1<<4)
+#define CWHOLELINE      (1<<4)
 		/* Whole line engulfed by the regex, start < me, end > me. */
-#define CSTARTENDHERE	(1<<5)
+#define CSTARTENDHERE   (1<<5)
 		/* Regex starts and ends within this line. */
-#define CWOULDBE	(1<<6)
+#define CWOULDBE        (1<<6)
 		/* An unpaired start match on or before this line. */
 #endif /* ENABLE_COLOR */
 
@@ -534,25 +534,25 @@ enum
 };
 
 /* Flags for the menus in which a given function should be present. */
-#define MMAIN			(1<<0)
-#define MWHEREIS		(1<<1)
-#define MREPLACE		(1<<2)
-#define MREPLACEWITH		(1<<3)
-#define MGOTOLINE		(1<<4)
-#define MWRITEFILE		(1<<5)
-#define MINSERTFILE		(1<<6)
-#define MEXTCMD			(1<<7)
-#define MHELP			(1<<8)
-#define MSPELL			(1<<9)
-#define MBROWSER		(1<<10)
-#define MWHEREISFILE		(1<<11)
-#define MGOTODIR		(1<<12)
-#define MYESNO			(1<<13)
-#define MLINTER			(1<<14)
-#define MFINDINHELP		(1<<15)
+#define MMAIN           (1<<0)
+#define MWHEREIS        (1<<1)
+#define MREPLACE        (1<<2)
+#define MREPLACEWITH    (1<<3)
+#define MGOTOLINE       (1<<4)
+#define MWRITEFILE      (1<<5)
+#define MINSERTFILE     (1<<6)
+#define MEXTCMD         (1<<7)
+#define MHELP           (1<<8)
+#define MSPELL          (1<<9)
+#define MBROWSER        (1<<10)
+#define MWHEREISFILE    (1<<11)
+#define MGOTODIR        (1<<12)
+#define MYESNO          (1<<13)
+#define MLINTER         (1<<14)
+#define MFINDINHELP     (1<<15)
 /* This is an abbreviation for all menus except Help and YesNo. */
 #define MMOST  (MMAIN|MWHEREIS|MREPLACE|MREPLACEWITH|MGOTOLINE|MWRITEFILE|MINSERTFILE|\
-				MEXTCMD|MBROWSER|MWHEREISFILE|MGOTODIR|MFINDINHELP|MSPELL|MLINTER)
+                MEXTCMD|MBROWSER|MWHEREISFILE|MGOTODIR|MFINDINHELP|MSPELL|MLINTER)
 #ifndef NANO_TINY
 #define MSOME  MMOST
 #else
@@ -605,12 +605,12 @@ enum
 #define KEY_WINCH -2
 
 /* Some extra flags for the undo function. */
-#define WAS_FINAL_BACKSPACE	(1<<1)
-#define WAS_WHOLE_LINE		(1<<2)
-#define WAS_FINAL_LINE		(1<<3)
+#define WAS_FINAL_BACKSPACE   (1<<1)
+#define WAS_WHOLE_LINE        (1<<2)
+#define WAS_FINAL_LINE        (1<<3)
 /* The flags for the mark need to be the highest. */
-#define MARK_WAS_SET		(1<<4)
-#define WAS_MARKED_FORWARD	(1<<5)
+#define MARK_WAS_SET          (1<<4)
+#define WAS_MARKED_FORWARD    (1<<5)
 #endif /* !NANO_TINY */
 
 /* The maximum number of entries displayed in the main shortcut list. */

src/search.c

@@ -169,7 +169,7 @@ int search_init(bool replacing, bool use_answer)
 		if (ISSET(USE_REGEXP) && !regexp_init(last_search))
 			return -1;
 		else
-			return 0;	/* We have a valid string or regex. */
+			return 0;    /* We have a valid string or regex. */
 	}
 
 	func = func_from_key(&i);
@@ -188,7 +188,7 @@ int search_init(bool replacing, bool use_answer)
 		return 1;
 	} else if (func == flip_replace) {
 		backupstring = mallocstrcpy(backupstring, answer);
-		return -2;	/* Call the opposite search function. */
+		return -2;    /* Call the opposite search function. */
 	} else if (func == do_gotolinecolumn_void) {
 		do_gotolinecolumn(openfile->current->lineno,
 						openfile->placewewant + 1, TRUE, TRUE);
@@ -359,11 +359,11 @@ void do_search(void)
 {
 	int i = search_init(FALSE, FALSE);
 
-	if (i == -1)	/* Cancelled, or some other exit reason. */
+	if (i == -1)    /* Cancelled, or some other exit reason. */
 		search_replace_abort();
-	else if (i == -2)	/* Do a replace instead. */
+	else if (i == -2)    /* Do a replace instead. */
 		do_replace();
-	else if (i == 1)	/* Toggled something. */
+	else if (i == 1)    /* Toggled something. */
 		do_search();
 
 	if (i == 0)
@@ -732,11 +732,11 @@ void do_replace(void)
 
 	i = search_init(TRUE, FALSE);
 
-	if (i == -1)	/* Cancelled, or some other exit reason. */
+	if (i == -1)    /* Cancelled, or some other exit reason. */
 		search_replace_abort();
-	else if (i == -2)	/* Do a search instead. */
+	else if (i == -2)    /* Do a search instead. */
 		do_search();
-	else if (i == 1)	/* Toggled something. */
+	else if (i == 1)    /* Toggled something. */
 		do_replace();
 
 	if (i != 0)
@@ -1048,7 +1048,7 @@ void do_find_bracket(void)
 			/* If we found an identical bracket, increment count.  If we
 			 * found a complementary bracket, decrement it. */
 			count += (strncmp(openfile->current->data + openfile->current_x,
-								 ch, ch_len) == 0) ? 1 : -1;
+								ch, ch_len) == 0) ? 1 : -1;
 
 			/* If count is zero, we've found a matching bracket.  Update
 			 * the screen and get out. */

src/text.c

@@ -281,7 +281,7 @@ void indent_a_line(filestruct *line, char *indentation)
 
 	/* Compensate for the change in the current line. */
 	if (line == openfile->mark && openfile->mark_x > 0)
-	    openfile->mark_x += indent_len;
+		openfile->mark_x += indent_len;
 	if (line == openfile->current && openfile->current_x > 0) {
 		openfile->current_x += indent_len;
 		openfile->placewewant = xplustabs();
@@ -349,7 +349,7 @@ size_t length_of_white(const char *text)
 		if (*text != ' ')
 			return bytes_of_white;
 
-	   if (++bytes_of_white == tabsize)
+		if (++bytes_of_white == tabsize)
 			return tabsize;
 
 		text++;
@@ -1933,14 +1933,14 @@ bool indents_match(const char *a_line, size_t a_indent, const char
  *
  *   A line is "the beginning of a paragraph" if it is part of a
  *   paragraph and
- *	1) it is the top line of the file, or
- *	2) the line above it is not part of a paragraph, or
- *	3) the line above it does not have precisely the same quote
- *	   part, or
- *	4) the indentation of this line is not an initial substring of
- *	   the indentation of the previous line, or
- *	5) this line has no quote part and some indentation, and
- *	   autoindent isn't turned on.
+ *      1) it is the top line of the file, or
+ *      2) the line above it is not part of a paragraph, or
+ *      3) the line above it does not have precisely the same quote
+ *         part, or
+ *      4) the indentation of this line is not an initial substring of
+ *         the indentation of the previous line, or
+ *      5) this line has no quote part and some indentation, and
+ *         autoindent isn't turned on.
  *   The reason for number 5) is that if autoindent isn't turned on,
  *   then an indented line is expected to start a paragraph, as in
  *   books.  Thus, nano can justify an indented paragraph only if
@@ -3139,8 +3139,7 @@ void do_linter(void)
 				 *
 				 * filenameorcategory:line:column:message (e.g. splint)
 				 * filenameorcategory:line,column:message (e.g. pylint)
-				 * filenameorcategory:line:message        (e.g. pyflakes)
-				 */
+				 * filenameorcategory:line:message        (e.g. pyflakes) */
 				if (strstr(message, ": ") != NULL) {
 					filename = strtok(read_buff_word, ":");
 					if ((linestr = strtok(NULL, ":")) != NULL) {

src/winio.c

@@ -671,7 +671,7 @@ int parse_kbinput(WINDOW *win)
 		/* ncurses and Slang don't support KEY_SUP. */
 		case KEY_SUP:
 #endif
-		case KEY_SR:	/* Scroll backward, on Xfce4-terminal. */
+		case KEY_SR:    /* Scroll backward, on Xfce4-terminal. */
 			shift_held = TRUE;
 			return KEY_UP;
 #endif
@@ -680,7 +680,7 @@ int parse_kbinput(WINDOW *win)
 		/* ncurses and Slang don't support KEY_SDOWN. */
 		case KEY_SDOWN:
 #endif
-		case KEY_SF:	/* Scroll forward, on Xfce4-terminal. */
+		case KEY_SF:    /* Scroll forward, on Xfce4-terminal. */
 			shift_held = TRUE;
 			return KEY_DOWN;
 #endif
@@ -690,7 +690,7 @@ int parse_kbinput(WINDOW *win)
 #endif
 		case SHIFT_HOME:
 			shift_held = TRUE;
-		case KEY_A1:	/* Home (7) on keypad with NumLock off. */
+		case KEY_A1:    /* Home (7) on keypad with NumLock off. */
 			return KEY_HOME;
 #ifdef KEY_SEND
 		/* HP-UX 10-11 and Slang don't support KEY_SEND. */
@@ -698,25 +698,25 @@ int parse_kbinput(WINDOW *win)
 #endif
 		case SHIFT_END:
 			shift_held = TRUE;
-		case KEY_C1:	/* End (1) on keypad with NumLock off. */
+		case KEY_C1:    /* End (1) on keypad with NumLock off. */
 			return KEY_END;
 #ifndef NANO_TINY
 #ifdef KEY_SPREVIOUS
 		case KEY_SPREVIOUS:
 #endif
-		case SHIFT_PAGEUP:	/* Fake key, from Shift+Alt+Up. */
+		case SHIFT_PAGEUP:    /* Fake key, from Shift+Alt+Up. */
 			shift_held = TRUE;
 #endif
-		case KEY_A3:	/* PageUp (9) on keypad with NumLock off. */
+		case KEY_A3:    /* PageUp (9) on keypad with NumLock off. */
 			return KEY_PPAGE;
 #ifndef NANO_TINY
 #ifdef KEY_SNEXT
 		case KEY_SNEXT:
 #endif
-		case SHIFT_PAGEDOWN:	/* Fake key, from Shift+Alt+Down. */
+		case SHIFT_PAGEDOWN:    /* Fake key, from Shift+Alt+Down. */
 			shift_held = TRUE;
 #endif
-		case KEY_C3:	/* PageDown (3) on keypad with NumLock off. */
+		case KEY_C3:    /* PageDown (3) on keypad with NumLock off. */
 			return KEY_NPAGE;
 #ifdef KEY_SDC
 		/* Slang doesn't support KEY_SDC. */
@@ -740,7 +740,7 @@ int parse_kbinput(WINDOW *win)
 		/* Slang doesn't support KEY_BEG. */
 		case KEY_BEG:
 #endif
-		case KEY_B2:	/* Center (5) on keypad with NumLock off. */
+		case KEY_B2:    /* Center (5) on keypad with NumLock off. */
 			return ERR;
 #ifdef KEY_CANCEL
 #ifdef KEY_SCANCEL
@@ -1975,7 +1975,7 @@ char *display_string(const char *buf, size_t column, size_t span, bool isdata)
 
 		/* For invalid codepoints, skip extra bytes. */
 		if (charlength < -1)
-		   buf += charlength + 7;
+			buf += charlength + 7;
 	}
 
 	/* If there is more text than can be shown, make room for the $ or >. */
@@ -2555,7 +2555,7 @@ void edit_draw(filestruct *fileptr, const char *converted,
 			 * and the current line.  But is there an end after the start
 			 * at all?  We don't paint unterminated starts. */
 			while (end_line != NULL && regexec(varnish->end, end_line->data,
-								 1, &endmatch, 0) == REG_NOMATCH)
+								1, &endmatch, 0) == REG_NOMATCH)
 				end_line = end_line->next;
 
 			/* If there is no end, there is nothing to paint. */
@@ -3525,11 +3525,11 @@ void do_credits(void)
 	bool old_no_help = ISSET(NO_HELP);
 	int kbinput = ERR, crpos = 0, xlpos = 0;
 	const char *credits[CREDIT_LEN] = {
-		NULL,				/* "The nano text editor" */
-		NULL,				/* "version" */
+		NULL,                /* "The nano text editor" */
+		NULL,                /* "version" */
 		VERSION,
 		"",
-		NULL,				/* "Brought to you by:" */
+		NULL,                /* "Brought to you by:" */
 		"Chris Allegretta",
 		"Jordi Mallach",
 		"Adam Rogoyski",
@@ -3550,7 +3550,7 @@ void do_credits(void)
 		"Ryan Krebs",
 		"Albert Chin",
 		"",
-		NULL,				/* "Special thanks to:" */
+		NULL,                /* "Special thanks to:" */
 		"Monique, Brielle & Joseph",
 		"Plattsburgh State University",
 		"Benet Laboratories",
@@ -3558,16 +3558,16 @@ void do_credits(void)
 		"Linda Young",
 		"Jeremy Robichaud",
 		"Richard Kolb II",
-		NULL,				/* "The Free Software Foundation" */
+		NULL,                /* "The Free Software Foundation" */
 		"Linus Torvalds",
-		NULL,				/* "the many translators and the TP" */
-		NULL,				/* "For ncurses:" */
+		NULL,                /* "the many translators and the TP" */
+		NULL,                /* "For ncurses:" */
 		"Thomas Dickey",
 		"Pavel Curtis",
 		"Zeyd Ben-Halim",
 		"Eric S. Raymond",
-		NULL,				/* "and anyone else we forgot..." */
-		NULL,				/* "Thank you for using nano!" */
+		NULL,                /* "and anyone else we forgot..." */
+		NULL,                /* "Thank you for using nano!" */
 		"",
 		"",
 		"",