Le lundi 30 mars 2009, Junio C Hamano a écrit :
> Christian Couder <chriscool@xxxxxxxxxxxxx> writes:
> > This new function unwraps the space separated shell quoted elements in
> > its first argument and put a copy of them in the argv array passed as
> > its second argument.
> >
> > Signed-off-by: Christian Couder <chriscool@xxxxxxxxxxxxx>
> > ---
> > quote.c | 17 +++++++++++++++++
> > quote.h | 2 ++
> > 2 files changed, 19 insertions(+), 0 deletions(-)
> >
> > diff --git a/quote.c b/quote.c
> > index 8cf0ef4..5b12a4a 100644
> > --- a/quote.c
> > +++ b/quote.c
> > @@ -120,6 +120,23 @@ char *sq_dequote(char *arg)
> > return sq_dequote_many(arg, NULL);
> > }
> >
> > +int sq_dequote_to_argv(char *arg, const char ***argv, int *nr, int
> > *alloc) +{
> > + char *next = arg;
> > +
> > + if (!*arg)
> > + return 0;
> > + do {
> > + char *dequoted = sq_dequote_many(next, &next);
> > + if (!dequoted)
> > + return 1;
>
> Usually we signal an error with a negative value, e.g. -1.
>
> > + ALLOC_GROW(*argv, *nr + 1, *alloc);
> > + (*argv)[(*nr)++] = xstrdup(dequoted);
>
> The original sq_dequote() interface takes advantage of the fact that the
> result of single-quote unquoting is always shorter than the original and
> it can rewrite the argument in-place to return the result. I would
> expect dequote_step() to retain that trait and allow the caller to use
> its return value without xstrdup().
I thought that it could be dangerous not to use xstrdup, as users of this
function might want to free the strings in argv one by one. But I don't
care much.
Thanks,
Christian.
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