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Re: [PATCH v2] Add an option not to use link(src, dest) && unlink(src) when that is unreliable

From
Johannes Schindelin <johannes.schindelin@gmx.de>
Date
Apr 26, 2009, 17:39 UTC
Message-ID
<alpine.DEB.1.00.0904261939190.10279@pacific.mpi-cbg.de>
In-Reply-To
<7vws98y886.fsf@gitster.siamese.dyndns.org>
Hi,
On Sat, 25 Apr 2009, Junio C Hamano wrote:
Show 13 quoted lines
> So if you do:
> 
> 	cat >corrupt-move.c <<\EOF
> 	#include <unistd.h>
> 	int main(int ac, char **av)
>         {
>                 return (link(av[1], av[2]) || unlink(av[1]));
> 	}
> 	EOF
>         cc -o corrupt-move corrupt-move.c
>         ./corrupt-move corrupt-move.c corrupt-move.c.new
> 
> you end up with a corrupt-move.c.new file that is full of NUL?

I have not compiled and run this code, but I am _real_ sure that this is exactly the issue.

Ciao, Dscho

Previous: Junio C HamanoNext: Linus Torvalds
Message 12 of 38 in “Add an option not to use link(src, dest) && unlink(src) when that is unreliable”
  1. Add an option not to use link(src, dest) && unlink(src) when that is unreliableJohannes Schindelin, Apr 23, 2009
  2. Johannes SixtApr 23, 2009
  3. Johannes SchindelinApr 23, 2009
  4. Add an option not to use link(src, dest) && unlink(src) when that is unreliableJohannes Schindelin, Apr 25, 2009
  5. Junio C HamanoApr 25, 2009
  6. Linus TorvaldsApr 25, 2009
  7. Michael GaberApr 25, 2009
  8. Linus TorvaldsApr 25, 2009
  9. Jay SoffianApr 27, 2009
  10. Johannes SixtApr 25, 2009
  11. Junio C HamanoApr 25, 2009
  12. Johannes SchindelinApr 26, 2009
  13. Linus TorvaldsApr 25, 2009
  14. Alex RiesenApr 23, 2009
  15. Johannes SchindelinApr 23, 2009
  16. Alex RiesenApr 24, 2009
  17. Linus TorvaldsApr 25, 2009
  18. Johannes SixtApr 25, 2009
  19. Junio C HamanoApr 26, 2009
  20. Johannes SchindelinApr 26, 2009
  21. Add an option not to use link(src, dest) && unlink(src) when that is unreliableJohannes Schindelin, Apr 27, 2009
  22. Linus TorvaldsApr 27, 2009
  23. Johannes SchindelinApr 27, 2009
  24. Linus TorvaldsApr 27, 2009
  25. Junio C HamanoApr 27, 2009
  26. Linus TorvaldsApr 27, 2009
  27. Linus TorvaldsApr 27, 2009
  28. Junio C HamanoApr 27, 2009
  29. Johannes SchindelinApr 27, 2009
  30. Linus TorvaldsApr 27, 2009
  31. Rename core.unreliableHardlinks to core.createObjectJohannes Schindelin, Apr 27, 2009
  32. Junio C HamanoApr 27, 2009
  33. Johannes SchindelinApr 28, 2009
  34. Junio C HamanoApr 28, 2009
  35. Johannes SchindelinApr 28, 2009
  36. Junio C HamanoApr 28, 2009
  37. Johannes SchindelinApr 28, 2009
  38. Johannes SchindelinApr 26, 2009

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