removing (outdated) drawterm

drawterm is much better maintained by russ cox,
so removing this outdated copy.

for a more recent version, go to:

http://swtch.com/drawterm/

1 files changed, 0 insertions, 52 deletions

diff --git a/sys/src/cmd/unix/drawterm/libc/cleanname.c b/sys/src/cmd/unix/drawterm/libc/cleanname.c
deleted file mode 100644
index cfcb4822a..000000000
--- a/sys/src/cmd/unix/drawterm/libc/cleanname.c
+++ /dev/null
@@ -1,52 +0,0 @@
-#include <u.h>
-#include <libc.h>
-
-/*
- * In place, rewrite name to compress multiple /, eliminate ., and process ..
- */
-#define SEP(x)	((x)=='/' || (x) == 0)
-char*
-cleanname(char *name)
-{
-	char *p, *q, *dotdot;
-	int rooted;
-
-	rooted = name[0] == '/';
-
-	/*
-	 * invariants:
-	 *	p points at beginning of path element we're considering.
-	 *	q points just past the last path element we wrote (no slash).
-	 *	dotdot points just past the point where .. cannot backtrack
-	 *		any further (no slash).
-	 */
-	p = q = dotdot = name+rooted;
-	while(*p) {
-		if(p[0] == '/')	/* null element */
-			p++;
-		else if(p[0] == '.' && SEP(p[1]))
-			p += 1;	/* don't count the separator in case it is nul */
-		else if(p[0] == '.' && p[1] == '.' && SEP(p[2])) {
-			p += 2;
-			if(q > dotdot) {	/* can backtrack */
-				while(--q > dotdot && *q != '/')
-					;
-			} else if(!rooted) {	/* /.. is / but ./../ is .. */
-				if(q != name)
-					*q++ = '/';
-				*q++ = '.';
-				*q++ = '.';
-				dotdot = q;
-			}
-		} else {	/* real path element */
-			if(q != name+rooted)
-				*q++ = '/';
-			while((*q = *p) != '/' && *q != 0)
-				p++, q++;
-		}
-	}
-	if(q == name)	/* empty string is really ``.'' */
-		*q++ = '.';
-	*q = '\0';
-	return name;
-}