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