From: Sergey Poznyakoff <gray@gnu.org.ua>
Date: Thu, 4 Sep 2003 15:47:26 +0000 (+0000)
Subject: (cut_path_elements): New functon.
X-Git-Url: https://git.dogcows.com/gitweb?p=chaz%2Ftar;a=commitdiff_plain;h=3590887776356e895863847e3b58d6a2962009c6

(cut_path_elements): New functon.
---

diff --git a/src/names.c b/src/names.c
index 8301a3e..ee68749 100644
--- a/src/names.c
+++ b/src/names.c
@@ -1043,6 +1043,23 @@ safer_name_suffix (char const *file_name, bool link_target)
   return (char *) p;
 }
 
+char const *
+cut_path_elements (char const *file_name, size_t num)
+{
+  char const *p = file_name;
+  if (ISSLASH (*p))
+    p++;
+  for (; *p; p++)
+    {
+      if (ISSLASH (*p))
+	{
+	  if (--num == 0)
+	    return p + 1;
+	}
+    }
+  return NULL;
+}
+
 /* Return nonzero if NAME contains ".." as a path name component.  */
 bool
 contains_dot_dot (char const *name)