strbuf_setlen(): do not barf on setting length of an empty buffer to 0
authorJunio C Hamano <gitster@pobox.com>
Wed, 26 Sep 2007 09:26:06 +0000 (02:26 -0700)
committerJunio C Hamano <gitster@pobox.com>
Wed, 26 Sep 2007 09:27:05 +0000 (02:27 -0700)
commita8f3e2219c237661a30b54fe23d58e055f0b548c
tree440d74bf40b2ac091d625edeb72b43e47609e59a
parent7a33bcbe802080f3a926e93d66b65ff7c5e8c5ed
strbuf_setlen(): do not barf on setting length of an empty buffer to 0

strbuf_setlen() expect to be able to NUL terminate the buffer,
but a completely empty strbuf could have an empty buffer with 0
allocation; both the assert() and the assignment for NUL
termination would fail.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
strbuf.h