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Re: [PATCH 1/8] Add is_absolute_path() and make_absolute_path()

From
Johannes Schindelin <johannes.schindelin@gmx.de>
Date
Jul 28, 2007, 01:03 UTC
Message-ID
<Pine.LNX.4.64.0707280202260.14781@racer.site>
In-Reply-To
<7vvec5y3i0.fsf@assigned-by-dhcp.cox.net>
Hi,
On Fri, 27 Jul 2007, Junio C Hamano wrote:
Show 35 quoted lines
> Johannes Schindelin <Johannes.Schindelin@gmx.de> writes:
> 
> > diff --git a/path.c b/path.c
> > index c4ce962..0f7012f 100644
> > --- a/path.c
> > +++ b/path.c
> > @@ -292,3 +292,65 @@ int adjust_shared_perm(const char *path)
> >  		return -2;
> >  	return 0;
> >  }
> > +
> > +/* We allow "recursive" symbolic links. Only within reason, though. */
> > +#define MAXDEPTH 5
> > +
> > +const char *make_absolute_path(const char *path)
> > +{
> > +	static char bufs[2][PATH_MAX + 1], *buf = bufs[0], *next_buf = bufs[1];
> > +	char cwd[1024] = "";
> > +	int buf_index = 1, len;
> > +
> > +	int depth = MAXDEPTH;
> > +	char *last_elem = NULL;
> > +	struct stat st;
> > +
> > +	if (strlcpy(buf, path, PATH_MAX) >= PATH_MAX)
> > +		die ("Too long path: %.*s", 60, path);
> > +
> > +	while (depth--) {
> > +		if (stat(buf, &st) || !S_ISDIR(st.st_mode)) {
> > +			char *last_slash = strrchr(buf, '/');
> > +			*last_slash = '\0';
> > +			last_elem = xstrdup(last_slash + 1);
> 
> What happens when incoming path is just "abc"?  Does your test
> script checks that case?
No, and you already guessed it: there will be a segmentation fault.
Will fix.

Ciao, Dscho

Previous: Junio C HamanoNext: Johannes Schindelin
Message 4 of 30 in “work-tree cleanups”
  1. 0/8 work-tree cleanupsJohannes Schindelin, Jul 27, 2007
  2. 1/8 Add is_absolute_path() and make_absolute_path()Johannes Schindelin, Jul 27, 2007
  3. Junio C HamanoJul 27, 2007
  4. Johannes SchindelinJul 28, 2007
  5. 2/8 Add functions get_relative_cwd() and is_inside_dir()Johannes Schindelin, Jul 27, 2007
  6. Junio C HamanoJul 27, 2007
  7. Johannes SchindelinJul 28, 2007
  8. 3/8 Clean up work-tree handlingJohannes Schindelin, Jul 27, 2007
  9. Junio C HamanoJul 27, 2007
  10. Johannes SchindelinJul 28, 2007
  11. Junio C HamanoJul 28, 2007
  12. Johannes SchindelinJul 28, 2007
  13. Junio C HamanoJul 28, 2007
  14. Johannes SchindelinJul 28, 2007
  15. Junio C HamanoJul 28, 2007
  16. Johannes SchindelinJul 28, 2007
  17. Johannes SchindelinJul 29, 2007
  18. Junio C HamanoJul 29, 2007
  19. Johannes SchindelinJul 29, 2007
  20. 4/8 Add set_git_dir() functionJohannes Schindelin, Jul 27, 2007
  21. 5/8 work-trees are allowed inside a git-dirJohannes Schindelin, Jul 27, 2007
  22. Junio C HamanoJul 27, 2007
  23. Johannes SchindelinJul 28, 2007
  24. Junio C HamanoJul 28, 2007
  25. Johannes SchindelinJul 28, 2007
  26. 6/8 init: use get_git_work_tree() instead of rolling our ownJohannes Schindelin, Jul 27, 2007
  27. 7/8 Make t1501 a little saner, and fix itJohannes Schindelin, Jul 27, 2007
  28. 8/8 Fix t1500 for sane work-tree behaviorJohannes Schindelin, Jul 27, 2007
  29. Junio C HamanoJul 27, 2007
  30. Johannes SchindelinJul 28, 2007

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