Re: [PATCH] delete_ref(): fix uninitialized value, found by valgrind

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Hi,

On Tue, 3 Feb 2009, Junio C Hamano wrote:

> Johannes Schindelin <johannes.schindelin@xxxxxx> writes:
> 
> > The variable 'err' was not necessarily initialized before it was used.
> >
> > Signed-off-by: Johannes Schindelin <johannes.schindelin@xxxxxx>
> > ---
> >  refs.c |    2 +-
> >  1 files changed, 1 insertions(+), 1 deletions(-)
> >
> > diff --git a/refs.c b/refs.c
> > index b13e01b..ded7ec4 100644
> > --- a/refs.c
> > +++ b/refs.c
> > @@ -929,7 +929,7 @@ static int log_ref_write(const char *ref_name, const unsigned char *old_sha1,
> >  int delete_ref(const char *refname, const unsigned char *sha1, int delopt)
> >  {
> >  	struct ref_lock *lock;
> > -	int err, i = 0, ret = 0, flag = 0;
> > +	int err = 0, i = 0, ret = 0, flag = 0;
> >  	struct stat loginfo;
> >  	int log = !lstat(git_path("logs/%s", refname), &loginfo);
> 
> Sorry, I do not see it.
> 
> There are two uses of "err" in this function, both of which looks like:
> 
> 	if (err && errno != ENOENT)
> 
> but both of these places have
> 
> 	err = unlink(...)
> 
> immediately before it.

I should know better by now than to base my work on the tip of my Git 
tree.  Sure enough I have an attempt at resolving the "deleting a branch 
deletes its reflog, too" issue, which has that bug.

Sorry for the noise,
Dscho

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