make mkfs and mkext use 64-bit file sizes and seek offsets.

Reference: /n/sources/patch/applied/64-bit-mkext-mkfs
Date: Wed Feb  9 07:53:04 CET 2005

--- /sys/src/cmd/disk/mkext.c	Wed Feb  9 07:52:02 2005
+++ /sys/src/cmd/disk/mkext.c	Wed Feb  9 07:52:00 2005
@@ -10,8 +10,8 @@
 int	selected(char*, int, char*[]);
 void	mkdirs(char*, char*);
 void	mkdir(char*, ulong, ulong, char*, char*);
-void	extract(char*, ulong, ulong, char*, char*, ulong);
-void	seekpast(ulong);
+void	extract(char*, ulong, ulong, char*, char*, uvlong);
+void	seekpast(uvlong);
 void	error(char*, ...);
 void	warn(char*, ...);
 void	usage(void);
@@ -32,7 +32,8 @@
 	Biobuf bout;
 	char *fields[NFLDS], name[2*LEN], *p, *namep;
 	char *uid, *gid;
-	ulong mode, bytes, mtime;
+	ulong mode, mtime;
+	uvlong bytes;
 
 	quotefmtinstall();
 	namep = name;
@@ -83,7 +84,7 @@
 		uid = fields[2];
 		gid = fields[3];
 		mtime = strtoul(fields[4], 0, 10);
-		bytes = strtoul(fields[5], 0, 10);
+		bytes = strtoull(fields[5], 0, 10);
 		if(argc){
 			if(!selected(namep, argc, argv)){
 				if(bytes)
@@ -93,7 +94,7 @@
 			mkdirs(name, namep);
 		}
 		if(hflag){
-			Bprint(&bout, "%q %luo %q %q %lud %lud\n",
+			Bprint(&bout, "%q %luo %q %q %lud %llud\n",
 				name, mode, uid, gid, mtime, bytes);
 			if(bytes)
 				seekpast(bytes);
@@ -200,16 +201,17 @@
 }
 
 void
-extract(char *name, ulong mode, ulong mtime, char *uid, char *gid, ulong bytes)
+extract(char *name, ulong mode, ulong mtime, char *uid, char *gid, uvlong bytes)
 {
 	Dir d, *nd;
 	Biobuf *b;
 	char buf[LEN];
 	char *p;
-	ulong n, tot;
+	ulong n;
+	uvlong tot;
 
 	if(vflag)
-		print("x %q %lud bytes\n", name, bytes);
+		print("x %q %llud bytes\n", name, bytes);
 
 	b = Bopen(name, OWRITE);
 	if(!b){
@@ -250,11 +252,14 @@
 			warn("can't reread modes for %q: %r", name);
 		else{
 			if(Tflag && nd->mtime != mtime)
-				warn("%q: time mismatch %lud %lud\n", name, mtime, nd->mtime);
+				warn("%q: time mismatch %lud %lud\n",
+					name, mtime, nd->mtime);
 			if(uflag && strcmp(uid, nd->uid))
-				warn("%q: uid mismatch %q %q", name, uid, nd->uid);
+				warn("%q: uid mismatch %q %q",
+					name, uid, nd->uid);
 			if(uflag && strcmp(gid, nd->gid))
-				warn("%q: gid mismatch %q %q", name, gid, nd->gid);
+				warn("%q: gid mismatch %q %q",
+					name, gid, nd->gid);
 			free(nd);
 		}
 	}
@@ -262,10 +267,11 @@
 }
 
 void
-seekpast(ulong bytes)
+seekpast(uvlong bytes)
 {
 	char buf[LEN];
-	ulong tot, n;
+	ulong n;
+	uvlong tot;
 
 	for(tot = 0; tot < bytes; tot += n){
 		n = sizeof buf;
--- /sys/src/cmd/disk/mkfs.c	Wed Feb  9 07:52:14 2005
+++ /sys/src/cmd/disk/mkfs.c	Wed Feb  9 07:52:11 2005
@@ -345,7 +345,7 @@
 copy(Dir *d)
 {
 	char cptmp[LEN], *p;
-	long tot;
+	vlong tot;
 	int f, t, n, needwrite;
 	Dir nd;
 
@@ -399,7 +399,7 @@
 			error("can't write zero at end of %q: %r", newfile);
 	}
 	if(tot != d->length){
-		warn("wrong number bytes written to %q (was %d should be %d)\n",
+		warn("wrong number bytes written to %q (was %lld should be %lld)\n",
 			newfile, tot, d->length);
 		if(fskind == Archive){
 			warn("seeking to proper position\n");