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Re: [PATCH v2 1/3] Introduce die_errno() that appends strerror(errno) to die()

From
Johannes Sixt <j6t@kdbg.org>
Date
Jun 6, 2009, 20:36 UTC
Message-ID
<200906062236.42858.j6t@kdbg.org>
In-Reply-To
<3672f22723a4c14c4a6d67278e9865424c0c68dc.1244299302.git.trast@student.ethz.ch>
On Samstag, 6. Juni 2009, Thomas Rast wrote:
Show 9 quoted lines
> +void die_errno(const char *err, ...)
> +{
> +	va_list params;
> +	char msg[1024];
> +
> +	va_start(params, err);
> +
> +	vsnprintf(msg, sizeof(msg), err, params);
> +	die("%s: %s", msg, strerror(errno));
Cannot vsnprintf potentially modify errno?
> +
> +	va_end(params);
This va_end should better be before die().
-- Hannes
Previous: Johannes SixtNext: Thomas Rast
Message 17 of 28 in “add strerror(errno) to die() calls where applicable”
  1. add strerror(errno) to die() calls where applicableThomas Rast, Jun 2, 2009
  2. Jeff KingJun 3, 2009
  3. diesys calls die and also reports strerror(errno)Alexander Potashev, Jun 4, 2009
  4. Jeff KingJun 4, 2009
  5. Junio C HamanoJun 4, 2009
  6. Johannes SixtJun 5, 2009
  7. Junio C HamanoJun 5, 2009
  8. Jeff KingJun 6, 2009
  9. Thomas RastJun 6, 2009
  10. 0/3 Thomas Rast <trast@student.ethz.ch>Thomas Rast, Jun 6, 2009
  11. 1/3 Introduce die_errno() that appends strerror(errno) to die()Thomas Rast, Jun 6, 2009
  12. 2/3 Convert existing die(..., strerror(errno)) to die_errno()Thomas Rast, Jun 6, 2009
  13. 3/3 Use die_errno() instead of die() when checking syscallsThomas Rast, Jun 6, 2009
  14. Johannes SixtJun 6, 2009
  15. Thomas RastJun 6, 2009
  16. Johannes SixtJun 6, 2009
  17. Johannes SixtJun 6, 2009
  18. Thomas RastJun 6, 2009
  19. Johannes SixtJun 6, 2009
  20. Jeff KingJun 6, 2009
  21. Jeff KingJun 6, 2009
  22. Alexander PotashevJun 7, 2009
  23. Junio C HamanoJun 7, 2009
  24. Jeff KingJun 8, 2009
  25. Alexander PotashevJun 8, 2009
  26. Jeff KingJun 8, 2009
  27. Alexander PotashevJun 4, 2009
  28. Jeff KingJun 4, 2009

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