[PATCH v2 0/7] vsprintf: reduce code size and clean up

[Andrà Goddard Rosa]

This patch reduces code size by 240 bytes on my Core 2 with gcc 4.4.1:
       text    data     bss     dec     hex filename
      15767       0       8   15775    3d9f lib/vsprintf.o-before
      15527       0       8   15535    3caf lib/vsprintf.o-after

and implements some cleanups.

Changelog:
    v2: addressed feedback from Frederic Weisbecker review (thanks!!)
and split into separate patches
    v1: original submission

André Goddard Rosa (7):
  vsprintf: factorize "(null)" string
  vsprintf: pre-calculate final string length
  vsprintf: give it some care to please checkpatch.pl
  vsprintf: use TOLOWER whenever possible
  vsprintf: reduce code size by avoiding extra check
  vsprintf: move local vars to block local vars and remove unneeded
    ones
  vsprintf: factor out skip_space code in a separate function

 lib/vsprintf.c |  306 ++++++++++++++++++++++++++++++--------------------------
 1 files changed, 163 insertions(+), 143 deletions(-)
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