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-rw-r--r--util/cleanname.c63
1 files changed, 0 insertions, 63 deletions
diff --git a/util/cleanname.c b/util/cleanname.c
deleted file mode 100644
index e8a8ed86..00000000
--- a/util/cleanname.c
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- * 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;
-}
-