[libvirt] [PATCH 06/10] maint: tighten strncmp syntax check

[Daniel P. Berrange]

On Wed, Nov 17, 2010 at 09:28:58PM -0700, Eric Blake wrote:
> Using 'int ret = strcmp(a, b)' in a qsort function is a valid use of
> str[n]cmp that should _not_ be turned to STREQ, but it was falling
> foul of our specific syntax-check.  Meanwhile, gnulib's maint.mk
> already has a tighter bound for strcmp, so we can copy that regex and
> just check for strncmp, which results in fewer false positives that
> require exceptions.
> 
> * cfg.mk (sc_prohibit_strcmp_and_strncmp): Rename...
> (sc_prohibit_strncmp): ...to this, and tighten, to mirror
> maint.mk's sc_prohibit_strcmp's better regex.
> * Makefile.am (syntax_check_exceptions): Update exception rule.
> * .x-sc_prohibit_strcmp_and_strncmp: Rename...
> * .x-sc_prohibit_strncmp: ...and trim.
> ---
>  .x-sc_prohibit_strcmp_and_strncmp |    9 ---------
>  .x-sc_prohibit_strncmp            |    1 +
>  Makefile.am                       |    2 +-
>  cfg.mk                            |   14 ++++++++------
>  4 files changed, 10 insertions(+), 16 deletions(-)
>  delete mode 100644 .x-sc_prohibit_strcmp_and_strncmp
>  create mode 100644 .x-sc_prohibit_strncmp

ACK

Daniel
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