Re: [PATCH 15/22] sequencer: introduce a helper to read files written by scripts

From: Johannes Schindelin <johannes.schindelin@gmx.de>
Date: Aug 29, 2016, 11:08 UTC
Message-ID: <alpine.DEB.2.20.1608291307560.129229@virtualbox>
In-Reply-To: <1472464060.4265.27.camel@kaarsemaker.net>

Hi Dennis,

On Mon, 29 Aug 2016, Dennis Kaarsemaker wrote:

Show 15 quoted lines

> On ma, 2016-08-29 at 10:06 +0200, Johannes Schindelin wrote:
> > +       if (strbuf_read_file(buf, path, 0) < 0) {
> > +               warning_errno("could not read '%s'", path);
> > +               return 0;
> > +       }
> > +
> > +       if (buf->len > orig_len && buf->buf[buf->len - 1] == '\n') {
> > +               if (--buf->len > orig_len && buf->buf[buf->len - 1]
> > == '\r')
> > +                       --buf->len;
> > +               buf->buf[buf->len] = '\0';
> > +       }
> 
> Why not use open + strbuf_getline instead of hand-rolling a newline
> eradicator?

Because strbuf_getline() erases the strbuf instead of appending to it (which is what we sometimes need when converting shell scripts to C).

Ciao, Dscho