2009-01-29 Chris Allegretta <chrisa@asty.org>

* nano.c (main): Add support for nano acting like a pager when invoked with - as first   
          file argument.  Not yet perfect (garbles screen state on exit) but it's something. 



git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@4356 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

ChangeLog

@@ -1,3 +1,7 @@
+2009-01-29 Chris Allegretta <chrisa@asty.org>
+	* nano.c (main): Add support for nano acting like a pager when invoked with - as first
+	  file argument.  Not yet perfect (garbles screen state on exit) but it's something.
+
 2009-01-28 Davide Pesavento <davidepesa@gmail.com>
 	* doc/syntax/gentoo.nanorc: Updates from David and Mike Frysinger.
 

src/color.c

@@ -260,6 +260,9 @@ void reset_multis(filestruct *fileptr)
     int i;
     filestruct *oof;
 
+    if (!openfile->syntax)
+	return;
+
     for (i = 0; i < openfile->syntax->nmultis; i++) {
 	for (oof = fileptr->next; oof != NULL; oof = oof->next) {
 	    if (oof->multiswatching == NULL)

src/nano.c

@@ -2239,6 +2239,30 @@ int main(int argc, char **argv)
 	optind++;
     }
 
+    if (optind < argc && !strcmp(argv[optind], "-")) {
+	FILE *f;
+	int ttystdin;
+	struct termios term;
+
+	enable_signals();
+	open_buffer("", FALSE);
+	endwin();
+
+	f = fopen("/dev/stdin", "rb");
+   	if (f == NULL)
+	    nperror("fopen");
+
+	read_file(f, "stdin", TRUE);
+	ttystdin = open("/dev/tty", O_RDONLY);
+	if (!ttystdin)
+	    die(_("Couldn't reopen stdin from keyboard, sorry\n"));
+
+	dup2(ttystdin,0);
+	close(ttystdin);
+	set_modified();
+	optind++;
+    }
+
 #ifdef ENABLE_MULTIBUFFER
     old_multibuffer = ISSET(MULTIBUFFER);
     SET(MULTIBUFFER);