cmd: rename *.C to *.c

These were *.C back in 2003, before the 9 script, to avoid conflicts
with the system utilities. A later change renamed them, but that
change seems to have been lost during the hg->git conversion
because I ran the conversion on a case-insensitive file system.

Change-Id: Id32c99cb9571ef0e185c3cc9e8c8d6d5b48ca195

1 files changed, 0 insertions, 194 deletions

diff --git a/src/cmd/du.C b/src/cmd/du.C
deleted file mode 100644
index f62c45b7..00000000
--- a/src/cmd/du.C
+++ /dev/null
@@ -1,194 +0,0 @@
-#include <u.h>
-#include <libc.h>
-
-extern	vlong	du(char*, Dir*);
-extern	vlong	k(vlong);
-extern	void	err(char*);
-extern	int	warn(char*);
-extern	int	seen(Dir*);
-
-int	aflag;
-int	fflag;
-int	nflag;
-int	sflag;
-int	tflag;
-int	uflag;
-int	qflag;
-char	*fmt = "%llud\t%s\n";
-vlong	blocksize = 1024LL;
-
-void
-main(int argc, char *argv[])
-{
-	int i;
-	char *s, *ss;
-
-	ARGBEGIN {
-	case 'a':	/* all files */
-		aflag = 1;
-		break;
-	case 's':	/* only top level */
-		sflag = 1;
-		break;
-	case 'f':	/* ignore errors */
-		fflag = 1;
-		break;
-	case 'n':	/* all files, number of bytes */
-		aflag = 1;
-		nflag = 1;
-		break;
-	case 't':	/* return modified/accessed time */
-		tflag = 1;
-		break;
-	case 'u':	/* accessed time */
-		uflag = 1;
-		break;
-	case 'q':	/* qid */
-		fmt = "%.16llux\t%s\n";
-		qflag = 1;
-		break;
-	case 'b':	/* block size */
-		s = ARGF();
-		if(s) {
-			blocksize = strtoul(s, &ss, 0);
-			if(s == ss)
-				blocksize = 1;
-			if(*ss == 'k')
-				blocksize *= 1024;
-		}
-		break;
-	} ARGEND
-	if(argc==0)
-		print(fmt, du(".", dirstat(".")), ".");
-	else
-		for(i=0; i<argc; i++)
-			print(fmt, du(argv[i], dirstat(argv[i])), argv[i]);
-	exits(0);
-}
-
-vlong
-du(char *name, Dir *dir)
-{
-	int fd, i, n;
-	Dir *buf, *d;
-	char file[256];
-	vlong nk, t;
-
-	if(dir == nil)
-		return warn(name);
-
-	fd = open(name, OREAD);
-	if(fd < 0)
-		return warn(name);
-
-	if((dir->qid.type&QTDIR) == 0)
-		nk = k(dir->length);
-	else{
-		nk = 0;
-		while((n=dirread(fd, &buf)) > 0) {
-			d = buf;
-			for(i=0; i<n; i++, d++) {
-				if((d->qid.type&QTDIR) == 0) {
-					t = k(d->length);
-					nk += t;
-					if(aflag) {
-						sprint(file, "%s/%s", name, d->name);
-						if(tflag) {
-							t = d->mtime;
-							if(uflag)
-								t = d->atime;
-						}
-						if(qflag)
-							t = d->qid.path;
-						print(fmt, t, file);
-					}
-					continue;
-				}
-				if(strcmp(d->name, ".") == 0 ||
-				   strcmp(d->name, "..") == 0 ||
-				   seen(d))
-					continue;
-				sprint(file, "%s/%s", name, d->name);
-				t = du(file, d);
-				nk += t;
-				if(tflag) {
-					t = d->mtime;
-					if(uflag)
-						t = d->atime;
-				}
-				if(qflag)
-					t = d->qid.path;
-				if(!sflag)
-					print(fmt, t, file);
-			}
-			free(buf);
-		}
-		if(n < 0)
-			warn(name);
-	}
-	close(fd);
-	if(tflag) {
-		if(uflag)
-			return dir->atime;
-		return dir->mtime;
-	}
-	if(qflag)
-		return dir->qid.path;
-	return nk;
-}
-
-#define	NCACHE	128	/* must be power of two */
-typedef	struct	Cache	Cache;
-struct	Cache
-{
-	Dir*	cache;
-	int	n;
-	int	max;
-} cache[NCACHE];
-
-int
-seen(Dir *dir)
-{
-	Dir *dp;
-	int i;
-	Cache *c;
-
-	c = &cache[dir->qid.path&(NCACHE-1)];
-	dp = c->cache;
-	for(i=0; i<c->n; i++, dp++)
-		if(dir->qid.path == dp->qid.path &&
-		   dir->type == dp->type &&
-		   dir->dev == dp->dev)
-			return 1;
-	if(c->n == c->max){
-		c->cache = realloc(c->cache, (c->max+=20)*sizeof(Dir));
-		if(c->cache == 0)
-			err("malloc failure");
-	}
-	c->cache[c->n++] = *dir;
-	return 0;
-}
-
-void
-err(char *s)
-{
-	fprint(2, "du: %s: %r\n", s);
-	exits(s);
-}
-
-int
-warn(char *s)
-{
-	if(fflag == 0)
-		fprint(2, "du: %s: %r\n", s);
-	return 0;
-}
-
-vlong
-k(vlong n)
-{
-	if(nflag)
-		return n;
-	n = (n+blocksize-1)/blocksize;
-	return n*blocksize/1024LL;
-}