DLR's patch to change justify_mode to a flag

git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@1491 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

ChangeLog

@@ -23,6 +23,7 @@ CVS code -
 	  instead of putting it on a new line, as Pico does. (DLR)
 	- Convert instances of "(char *)nrealloc()" to the macro
 	  charealloc(), which does the same thing. (DLR)
+	- Change justify_mode from a boolean int to a flag (DLR).
 - cut.c:
   do_cut_text()
 	- Tweak where KEEP_CUTBUFFER is set so that a marked cut

cut.c

@@ -54,7 +54,7 @@ void add_to_cutbuffer(filestruct *inptr)
 	cutbuffer = inptr;
 	inptr->prev = NULL;
 #ifndef NANO_SMALL
-    } else if (concatenate_cut && !justify_mode) {
+    } else if (concatenate_cut && !ISSET(JUSTIFY_MODE)) {
 	/* Just tack the text in inptr onto the text in cutbottom,
 	   unless we're backing up lines while justifying text. */
 	cutbottom->data = charealloc(cutbottom->data,

global.c

@@ -65,7 +65,6 @@ openfilestruct *open_files = NULL;	/* The list of open files */
 #endif
 
 #ifndef DISABLE_JUSTIFY
-int justify_mode = 0;		/* Whether we're justifying now. */
 char *quotestr = NULL;		/* Quote string.  The default value is
 				   set in main(). */
 #endif

nano.c

@@ -2424,7 +2424,7 @@ int do_justify(void)
 
 /* Next step, we loop through the lines of this paragraph, justifying
  * each one individually. */
-    justify_mode = 1;
+    SET(JUSTIFY_MODE);
     for(; par_len > 0; current_y++, par_len--) {
 	size_t line_len;
 	size_t display_len;
@@ -2576,7 +2576,7 @@ int do_justify(void)
   continue_loc:
 	    current = current->next;
     }
-    justify_mode = 0;
+    UNSET(JUSTIFY_MODE);
 
 /* We are now done justifying the paragraph.  There are cleanup things to
  * do, and we check for unjustify. */

nano.h

@@ -252,6 +252,7 @@ typedef struct historyheadtype {
 #define PRESERVE		(1<<28)
 #define HISTORY_CHANGED		(1<<29)
 #define HISTORYLOG		(1<<30)
+#define JUSTIFY_MODE		(1<<31)
 
 /* Control key sequences, changing these would be very very bad */
 

proto.h

@@ -44,7 +44,6 @@ extern int search_offscreen;
 extern int currslen;
 
 #ifndef DISABLE_JUSTIFY
-extern int justify_mode;
 extern char *quotestr;
 #endif
 
@@ -107,7 +106,6 @@ extern const shortcut *currshortcut;
 #endif
 
 #ifdef HAVE_REGEX_H
-extern int use_regexp, regexp_compiled;
 extern regex_t search_regexp;
 extern regmatch_t regmatches[10];  
 #ifdef ENABLE_COLOR