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Re: [PATCH 2/4] short circuit out of a few places where we would allocate zero bytes

From
Johannes Schindelin <johannes.schindelin@gmx.de>
Date
Dec 24, 2005, 12:44 UTC
Message-ID
<Pine.LNX.4.63.0512241342100.5891@wbgn013.biozentrum.uni-wuerzburg.de>
In-Reply-To
<20051224121243.GA3963@mail.yhbt.net>
Hi,
On Sat, 24 Dec 2005, Eric Wong wrote:
Show 8 quoted lines
> dietlibc versions of malloc, calloc and realloc all return NULL if
> they're told to allocate 0 bytes, causes the x* wrappers to die().
> 
> There are several more places where these calls could end up asking
> for 0 bytes, too...
> 
> Maybe simply not die()-ing in the x* wrappers if 0/NULL is returned
> when the requested size is zero is a safer and easier way to go.

I would prefer that, too. But the cleanest way would be to prevent calls to *alloc if the size is 0...

Ciao, Dscho

Previous: Eric WongNext: H. Peter Anvin
Message 5 of 24 in “dietlibc compatibility”
  1. 0/4 dietlibc compatibilityEric Wong, Dec 24, 2005
  2. 1/4 git.c: extra #include for dietlibc (and possibly other C libraries)Eric Wong, Dec 24, 2005
  3. Junio C HamanoDec 26, 2005
  4. 2/4 short circuit out of a few places where we would allocate zero bytesEric Wong, Dec 24, 2005
  5. Johannes SchindelinDec 24, 2005
  6. H. Peter AnvinDec 28, 2005
  7. Linus TorvaldsDec 28, 2005
  8. Junio C HamanoDec 28, 2005
  9. H. Peter AnvinDec 28, 2005
  10. 3/4 add xmktime() function that always accounts for the TZ envEric Wong, Dec 24, 2005
  11. Johannes SchindelinDec 24, 2005
  12. Junio C HamanoDec 24, 2005
  13. Eric WongDec 24, 2005
  14. Junio C HamanoDec 24, 2005
  15. 4/4 git-compat-util.h: dietlibc-friendly x{malloc,realloc,calloc}Eric Wong, Dec 24, 2005
  16. Junio C HamanoDec 24, 2005
  17. Eric WongDec 24, 2005
  18. Avoid allocating 0 bytes, was Re: [PATCH 4/4] git-compat-util.h: dietlibc-friendly x{malloc,realloc,calloc}Johannes Schindelin, Dec 26, 2005
  19. Junio C HamanoDec 26, 2005
  20. Johannes SchindelinDec 26, 2005
  21. avoid asking ?alloc() for zero bytes.Junio C Hamano, Dec 26, 2005
  22. Johannes SchindelinDec 26, 2005
  23. Johannes SchindelinDec 28, 2005
  24. Eric WongDec 30, 2005

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