shithub: vexed

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implement file saving

	it is now possible to save the file using the
	mouse3 menu

--- a/buf.c

+++ b/buf.c

@@ -38,7 +38,14 @@

 int writefile(Buffer *buf, char *filename)

 {

-	USED(buf);

-	USED(filename);

-	return -1;

+	int fd, n;

+

+	fd = open(filename, OWRITE|OTRUNC);

+	if(fd < 0)

+		return -1;

+	n = write(fd, buf->data, buf->count);

+	if(n < 0 || n != buf->count)

+		return -1;

+	close(fd);

+	return 0;

 }

--- a/vexed.c

+++ b/vexed.c

@@ -21,6 +21,10 @@

 	Scrollwidth = 12,

 };

+enum { Msave, Mquit, };

+char *menu3str[] = { "save", "quit", 0 };

+Menu menu3 = { menu3str };

+

 const char	*filename;

 int modified;

 Buffer buf;

@@ -163,6 +167,27 @@

 }

 void

+menu3hit(void)

+{

+	int n;

+

+	n = menuhit(3, mctl, &menu3, nil);

+	switch(n){

+	case Msave:

+		if(!modified)

+			return;

+		if(writefile(&buf, filename) < 0)

+			sysfatal("writefile: %r");

+		modified = 0;

+		redraw();

+		break;

+	case Mquit:

+		threadexitsall(nil);

+		break;

+	}

+}

+

+void

 emouse(Mouse *m)

 {

 	int n;

@@ -187,6 +212,8 @@

 				sel = n;

 				redraw();

 			}

+		}else if(m->buttons == 4){

+			menu3hit();

 		}else if(m->buttons == 8){

 			scroll(-scrollsize);

 		}else if(m->buttons == 16){