traceroute: fix help text to not show -6 when traceroute6 is off
[oweals/busybox.git] / libbb / simplify_path.c
index 367f1f04d9ca6773b6ac7258a04590b8efeef04f..f80e3e8a5eef53ddeba2cd365bbd39506cfea8f9 100644 (file)
@@ -6,22 +6,13 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
  */
-
 #include "libbb.h"
 
-char* FAST_FUNC bb_simplify_path(const char *path)
+char* FAST_FUNC bb_simplify_abs_path_inplace(char *start)
 {
-       char *s, *start, *p;
+       char *s, *p;
 
-       if (path[0] == '/')
-               start = xstrdup(path);
-       else {
-               s = xrealloc_getcwd_or_warn(NULL);
-               start = concat_path_file(s, path);
-               free(s);
-       }
        p = s = start;
-
        do {
                if (*p == '/') {
                        if (*s == '/') {        /* skip duplicate (or initial) slash */
@@ -47,7 +38,22 @@ char* FAST_FUNC bb_simplify_path(const char *path)
        if ((p == start) || (*p != '/')) {      /* not a trailing slash */
                ++p;                                    /* so keep last character */
        }
-       *p = 0;
+       *p = '\0';
+       return p;
+}
+
+char* FAST_FUNC bb_simplify_path(const char *path)
+{
+       char *s, *p;
+
+       if (path[0] == '/')
+               s = xstrdup(path);
+       else {
+               p = xrealloc_getcwd_or_warn(NULL);
+               s = concat_path_file(p, path);
+               free(p);
+       }
 
-       return start;
+       bb_simplify_abs_path_inplace(s);
+       return s;
 }