Re: [PATCH] Do _not_ call unlink on a directory

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On Mon, 2007-07-16 19:38:41 +0200, Thomas Glanzmann <sithglan@xxxxxxxxxxxxxxxxxxxx> wrote:
> Calling unlink on a directory on a Solaris UFS filesystem as root makes it
> inconsistent. Thanks to Johannes Sixt for the obvious fix.
> 
> Signed-off-by: Thomas Glanzmann <sithglan@xxxxxxxxxxxxxxxxxxxx>
> ---
>  entry.c |    6 +++---
>  1 files changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/entry.c b/entry.c
> index 82bf725..907293f 100644
> --- a/entry.c
> +++ b/entry.c
> @@ -6,18 +6,18 @@ static void create_directories(const char *path, const struct checkout *state)
>  	int len = strlen(path);
>  	char *buf = xmalloc(len + 1);
>  	const char *slash = path;
> +        struct stat st;

Whitespace damage.

>  	while ((slash = strchr(slash+1, '/')) != NULL) {
>  		len = slash - path;
>  		memcpy(buf, path, len);
>  		buf[len] = 0;
> +                if (!stat(buf, &st) && S_ISDIR(st.st_mode))
> +                        continue; /* ok */

Dito.

>  		if (mkdir(buf, 0777)) {
>  			if (errno == EEXIST) {
> -				struct stat st;
>  				if (len > state->base_dir_len && state->force && !unlink(buf) && !mkdir(buf, 0777))
>  					continue;
> -				if (!stat(buf, &st) && S_ISDIR(st.st_mode))
> -					continue; /* ok */
>  			}
>  			die("cannot create directory at %s", buf);
>  		}

MfG, JBG

-- 
      Jan-Benedict Glaw      jbglaw@xxxxxxxxxx              +49-172-7608481
Signature of:         "really soon now":      an unspecified period of time, likly to
the second  :                                 be greater than any reasonable definition
                                              of "soon".

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