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Re: [PATCH/RFC v3 6/8] Add case insensitivity support when using git ls-files

From
Johannes Sixt <j6t@kdbg.org>
Date
Oct 3, 2010, 18:19 UTC
Message-ID
<201010032019.09244.j6t@kdbg.org>
In-Reply-To
<AANLkTimH8Lj69qcOCmR3+5HYfgKnr5nyMvQU=9h0=FaB@mail.gmail.com>
On Sonntag, 3. Oktober 2010, Thomas Adam wrote:
Show 36 quoted lines
> Hi --
>
> On 3 October 2010 10:56, Ævar Arnfjörð Bjarmason <avarab@gmail.com> wrote:
> > +       if (ignore_case) {
> > +               for (;;) {
> > +                       unsigned char c1 = tolower(*match);
> > +                       unsigned char c2 = tolower(*name);
> > +                       if (c1 == '\0' || is_glob_special(c1))
> > +                               break;
> > +                       if (c1 != c2)
> > +                               return 0;
> > +                       match++;
> > +                       name++;
> > +                       namelen--;
> > +               }
> > +       } else {
> > +               for (;;) {
> > +                       unsigned char c1 = *match;
> > +                       unsigned char c2 = *name;
> > +                       if (c1 == '\0' || is_glob_special(c1))
> > +                               break;
> > +                       if (c1 != c2)
> > +                               return 0;
> > +                       match++;
> > +                       name++;
> > +                       namelen--;
> > +               }
> >        }
>
> It's a real shame about the code duplication here.  Can we not avoid
> it just by doing:
>
> unsigned char c1 = (ignore_case) ? tolower(*match) : *match;
> unisgned char c2 = (ignore_case) ? tolower(*name) : *name;
>
> I appreciate that to some it might look like perl golf, but...

It has been discussed, and IIRC, the concensus was to keep the code duplication because this is an inner loop.

-- Hannes
Previous: Thomas AdamNext: Thomas Adam
Message 15 of 45 in “Extensions of core.ignorecase=true support”
  1. 0/6 Extensions of core.ignorecase=true supportJoshua Jensen, Oct 3, 2010
  2. 1/6 Add string comparison functions that respect the ignore_case variable.Joshua Jensen, Oct 3, 2010
  3. Ævar Arnfjörð BjarmasonOct 3, 2010
  4. Joshua JensenOct 3, 2010
  5. 0/8 ab/icase-directory: jj/icase-directory with Makefile + configure checksÆvar Arnfjörð Bjarmason, Oct 3, 2010
  6. 1/8 Makefile & configure: add a NO_FNMATCH flagÆvar Arnfjörð Bjarmason, Oct 3, 2010
  7. 2/8 Makefile & configure: add a NO_FNMATCH_CASEFOLD flagÆvar Arnfjörð Bjarmason, Oct 3, 2010
  8. Johannes SixtOct 3, 2010
  9. 2/8 Makefile & configure: add a NO_FNMATCH_CASEFOLD flagÆvar Arnfjörð Bjarmason, Oct 4, 2010
  10. 3/8 Add string comparison functions that respect the ignore_case variable.Ævar Arnfjörð Bjarmason, Oct 3, 2010
  11. 4/8 Case insensitivity support for .gitignore via core.ignorecaseÆvar Arnfjörð Bjarmason, Oct 3, 2010
  12. 5/8 Add case insensitivity support for directories when using git statusÆvar Arnfjörð Bjarmason, Oct 3, 2010
  13. 6/8 Add case insensitivity support when using git ls-filesÆvar Arnfjörð Bjarmason, Oct 3, 2010
  14. Thomas AdamOct 3, 2010
  15. Johannes SixtOct 3, 2010
  16. Thomas AdamOct 3, 2010
  17. Jonathan NiederOct 4, 2010
  18. Ævar Arnfjörð BjarmasonOct 4, 2010
  19. Erik Faye-LundOct 4, 2010
  20. Joshua JensenOct 4, 2010
  21. Jonathan NiederOct 4, 2010
  22. Robin RosenbergOct 4, 2010
  23. Ævar Arnfjörð BjarmasonOct 4, 2010
  24. Erik Faye-LundOct 4, 2010
  25. Joshua JensenOct 4, 2010
  26. Jonathan NiederOct 4, 2010
  27. Ævar Arnfjörð BjarmasonOct 4, 2010
  28. Johannes SixtOct 4, 2010
  29. Ævar Arnfjörð BjarmasonOct 4, 2010
  30. 7/8 Support case folding for git add when core.ignorecase=trueÆvar Arnfjörð Bjarmason, Oct 3, 2010
  31. 8/8 Support case folding in git fast-import when core.ignorecase=trueÆvar Arnfjörð Bjarmason, Oct 3, 2010
  32. Junio C HamanoOct 7, 2010
  33. Joshua JensenOct 7, 2010
  34. 2/6 Case insensitivity support for .gitignore via core.ignorecaseJoshua Jensen, Oct 3, 2010
  35. 3/6 Add case insensitivity support for directories when using git statusJoshua Jensen, Oct 3, 2010
  36. 4/6 Add case insensitivity support when using git ls-filesJoshua Jensen, Oct 3, 2010
  37. 5/6 Support case folding for git add when core.ignorecase=trueJoshua Jensen, Oct 3, 2010
  38. 6/6 Support case folding in git fast-import when core.ignorecase=trueJoshua Jensen, Oct 3, 2010
  39. Sverre RabbelierOct 3, 2010
  40. Johannes SixtOct 3, 2010
  41. Junio C HamanoOct 3, 2010
  42. Robert BuckOct 3, 2010
  43. Johannes SixtOct 3, 2010
  44. Robert BuckOct 6, 2010
  45. Joshua JensenOct 6, 2010

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