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Document get_parent_directory more

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Peter Palfrader 2013-07-15 10:46:11 +02:00 committed by Nick Mathewson
parent 6848e29307
commit 5cc52b242e
1 changed files with 9 additions and 0 deletions
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9
src/common/compat.c
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@ -1746,6 +1746,15 @@ get_user_homedir(const char *username)
* actually examine the filesystem; does a purely syntactic modification. * actually examine the filesystem; does a purely syntactic modification.
* *
* The parent of the root director is considered to be iteself. * 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 int
get_parent_directory(char *fname) get_parent_directory(char *fname)