busybox/libbb/concat_subpath_file.c

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/* vi: set sw=4 ts=4: */
/*
* Utility routines.
*
* Copyright (C) (C) 2003 Vladimir Oleynik <dzo@simtreas.ru>
*
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
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*/
/*
This function make special for recursive actions with usage
concat_path_file(path, filename)
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and skipping "." and ".." directory entries
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*/
#include "libbb.h"
char *concat_subpath_file(const char *path, const char *f)
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{
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if (f && *f == '.' && (!f[1] || (f[1] == '.' && !f[2])))
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return NULL;
return concat_path_file(path, f);
}