use snprint

Reference: /n/atom/patch/applied/portsnprint
Date: Thu Mar 27 06:10:48 CET 2014
Signed-off-by: quanstro@quanstro.net

--- /sys/src/nix/port/devpci.c	Thu Mar 27 06:10:33 2014
+++ /sys/src/nix/port/devpci.c	Thu Mar 27 06:10:34 2014
@@ -14,7 +14,7 @@
 	Qpciraw,
 };
 
-#define TYPE(q)		((ulong)(q).path & 0x0F)
+#define TYPE(q)		((uint)(q).path & 0x0F)
 #define QID(c, t)	(((c)<<4)|(t))
 
 static Dirtab topdir[] = {
@@ -78,7 +78,7 @@
 		return pcidirgen(c, s+Qpcictl, p->tbdf, dp);
 	case Qpcictl:
 	case Qpciraw:
-		tbdf = MKBUS(BusPCI, 0, 0, 0)|BUSBDF((ulong)c->qid.path);
+		tbdf = MKBUS(BusPCI, 0, 0, 0)|BUSBDF((uint)c->qid.path);
 		p = pcimatchtbdf(tbdf);
 		if(p == nil)
 			return -1;
--- /sys/src/nix/port/devtls.c	Thu Mar 27 06:10:37 2014
+++ /sys/src/nix/port/devtls.c	Thu Mar 27 06:10:39 2014
@@ -324,7 +324,7 @@
 			nm = eve;
 		if((name = trnames[s]) == nil){
 			name = trnames[s] = smalloc(16);
-			sprint(name, "%d", s);
+			snprint(name, sizeof name, "%d", s);
 		}
 		devdir(c, q, name, 0, nm, 0555, dp);
 		unlock(&tdlock);
--- /sys/src/nix/port/devssl.c	Thu Mar 27 06:10:41 2014
+++ /sys/src/nix/port/devssl.c	Thu Mar 27 06:10:42 2014
@@ -168,7 +168,7 @@
 			else
 				nm = eve;
 			if(dsname[s] == nil){
-				sprint(name, "%d", s);
+				snprint(name, sizeof name, "%d", s);
 				kstrdup(&dsname[s], name);
 			}
 			devdir(c, q, dsname[s], 0, nm, 0555, dp);
@@ -672,7 +672,7 @@
 		error(Ebadusefd);
 	case Qctl:
 		ft = CONV(c->qid);
-		sprint(buf, "%d", ft);
+		snprint(buf, sizeof buf, "%d", ft);
 		return readstr(offset, a, n, buf);
 	case Qdata:
 		b = sslbread(c, n, offset);