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Date: Mon, 29 Jun 2020 15:48:08 +0300
From: Cyrill Gorcunov <gorcunov@gmail.com>
Message-ID: <20200629124808.GA2256@grain>
References: <20200629124419.23922-1-i.kosarev@tarantool.org>
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In-Reply-To: <20200629124419.23922-1-i.kosarev@tarantool.org>
Subject: Re: [Tarantool-patches] [PATCH] xlog: make log directory if needed
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To: Ilya Kosarev <i.kosarev@tarantool.org>
Cc: tarantool-patches@dev.tarantool.org

On Mon, Jun 29, 2020 at 03:44:19PM +0300, Ilya Kosarev wrote:
...
>  
> +/** Make missing directories from the path. */
> +int
> +make_dir(char *path)
> +{
> +	char *path_sep = path;
> +	while (*path_sep == '/') {
> +		/* Don't create root */
> +		++path_sep;
> +	}

There is a helper function, please make sure that
1) path is having EOS
2) you don't go outside of path memory

IOW, I think you should pass some @len parameter
as well and return -1 in case if path is full of '/'
symbols without EOS.