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tweak sorting: threads go newest too oldest

--- a/mail.h

+++ b/mail.h

@@ -47,7 +47,7 @@

 };

 /*

- * A composing message.

+ * In progress compositon

  */

 struct Comp {

 	Win;

@@ -72,7 +72,7 @@

 };

 /*

- * A message in the mailbox

+ * Message in mailbox

  */

 struct Mesg {

 	Win;

--- a/mbox.c

+++ b/mbox.c

@@ -99,10 +99,15 @@

 	return b->time - a->time;

 }

-static void

-mbsort(void)

+static int

+rcmpmesg(void *pa, void *pb)

 {

-	qsort(mbox.mesg, mbox.nmesg, sizeof(Mesg*), cmpmesg);

+	Mesg *a, *b;

+

+	a = *(Mesg**)pa;

+	b = *(Mesg**)pb;

+

+	return a->time - b->time;

 }

 static int

@@ -163,6 +168,7 @@

 		q->nsub++;

 	p->child = erealloc(p->child, ++p->nchild*sizeof(Mesg*));

 	p->child[p->nchild - 1] = m;

+	qsort(p->child, p->nchild, sizeof(Mesg*), rcmpmesg);

 	m->parent = p;

 	return 1;

 }

@@ -410,6 +416,7 @@

 				load(d[i].name, nil, 0);

 		free(d);

 	}

+	qsort(mbox.mesg, mbox.nmesg, sizeof(Mesg*), cmpmesg);	

 }

 static void

@@ -646,7 +653,6 @@

 	{nil}

 };

-

 static void

 doevent(Event *ev)

 {

@@ -760,8 +766,7 @@

 	if(argc == 1)

 		mailbox = argv[0];

 	mbload();

-	mbsort();

-	

+

 	threadcreate(mbmain, nil, Stack);

 	proccreate(plumbsee, nil, Stack);

 	proccreate(plumbshow, nil, Stack);