[tor-commits] [tor/master] Document get_parent_directory more

nickm at torproject.org nickm at torproject.org
Mon Jul 15 13:05:05 UTC 2013


commit 5cc52b242e5a4380e3aea6c53606f756d0a3a48a
Author: Peter Palfrader <peter at palfrader.org>
Date:   Mon Jul 15 10:46:11 2013 +0200

    Document get_parent_directory more
---
 src/common/compat.c |    9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/common/compat.c b/src/common/compat.c
index 69eb064..391f175 100644
--- a/src/common/compat.c
+++ b/src/common/compat.c
@@ -1746,6 +1746,15 @@ get_user_homedir(const char *username)
  * actually examine the filesystem; does a purely syntactic modification.
  *
  * The parent of the root director is considered to be iteself.
+ *
+ * Path separators are the forward slash (/) everywhere and additionally
+ * the backslash (\) on Win32.
+ *
+ * Cuts off any number of trailing path separators but otherwise ignores
+ * them for purposes of finding the parent directory.
+ *
+ * Returns 0 if a parent directory was successfully found, -1 otherwise (fname
+ * did not have any path separators or only had them ad the end).
  * */
 int
 get_parent_directory(char *fname)





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