format-patch: introduce helper function last_line_length()
commitf9b7204b6d10a1429271fde8cbcdee56beb0e035
authorJan H. Schönherr <schnhrr@cs.tu-berlin.de>
Thu, 18 Oct 2012 14:43:31 +0000 (18 16:43 +0200)
committerJunio C Hamano <gitster@pobox.com>
Thu, 18 Oct 2012 21:23:29 +0000 (18 14:23 -0700)
tree25ea52b01d3f5b1e886e80d47bd7396acb8b98d7
parent94f6cdf693c10eaec5a7fcc4f0b5cb1e0ea80f1b
format-patch: introduce helper function last_line_length()

Currently, an open-coded loop to calculate the length of the last
line of a string buffer is used in multiple places.

Move that code into a function of its own.

Signed-off-by: Jan H. Schönherr <schnhrr@cs.tu-berlin.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
pretty.c