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Re: [PATCH 3/5] config: set errno in numeric git_parse_* functions

From
Eric Sunshine <sunshine@sunshineco.com>
Date
Sep 9, 2013, 00:36 UTC
Message-ID
<CAPig+cSPf0Cvk4Em71NX-ad46Ub7GysdhKUuqtjRU7fFTKOvSw@mail.gmail.com>
In-Reply-To
<20130908083642.GC29554@sigill.intra.peff.net>
On Sun, Sep 8, 2013 at 4:36 AM, Jeff King <peff@peff.net> wrote:
Show 10 quoted lines
> When we are parsing an integer or unsigned long, we use
> the strto*max functions, which properly set errno to ERANGE
> if we get a large value. However, we also do further range
> checks after applying our multiplication factor, but do not
> set ERANGE. This means that a caller cannot tell if an error
> was caused by ERANGE or if the input was simply not a valid
> number.
>
> This patch teaches git_parse_signed and git_parse_unsigned
> reliably set ERANGE for range errors, and EINVAL for other
Missing "to": s/reliably/to reliably/
Or, if you don't like splitting the infinitive:
s/reliably set ERANGE/to set ERANGE reliably/
> errors.
>
> Signed-off-by: Jeff King <peff@peff.net>
Previous: Jeff KingNext: Jeff King
Message 21 of 25 in “git-config and large integers”
  1. 0/2 git-config and large integersJeff King, Aug 20, 2013
  2. 1/2 config: properly range-check integer valuesJeff King, Aug 20, 2013
  3. Jonathan NiederAug 20, 2013
  4. Jeff KingAug 21, 2013
  5. Stefan BellerAug 20, 2013
  6. Jeff KingAug 20, 2013
  7. 2/2 teach git-config to output large integersJeff King, Aug 20, 2013
  8. Jonathan NiederAug 20, 2013
  9. Jeff KingAug 21, 2013
  10. Jonathan NiederAug 21, 2013
  11. Jeff KingAug 21, 2013
  12. Jonathan NiederAug 21, 2013
  13. Junio C HamanoAug 20, 2013
  14. Junio C HamanoAug 20, 2013
  15. Jeff KingAug 21, 2013
  16. Jeff KingAug 21, 2013
  17. 0/5 git-config and large integersJeff King, Sep 8, 2013
  18. 1/5 config: factor out integer parsing from range checksJeff King, Sep 8, 2013
  19. 2/5 config: properly range-check integer valuesJeff King, Sep 8, 2013
  20. 3/5 config: set errno in numeric git_parse_* functionsJeff King, Sep 8, 2013
  21. Eric SunshineSep 9, 2013
  22. Jeff KingSep 9, 2013
  23. 4/5 config: make numeric parsing errors more clearJeff King, Sep 8, 2013
  24. 5/5 git-config: always treat --int as 64-bit internallyJeff King, Sep 8, 2013
  25. Junio C HamanoSep 9, 2013

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