Don't walk off front of string when stripping newline
commit96c4b1c3033e4f018ab20af5d35cf9cbd8b31cf4
authorDan McGee <dan@archlinux.org>
Tue, 9 Aug 2011 07:34:11 +0000 (9 02:34 -0500)
committerDan McGee <dan@archlinux.org>
Tue, 9 Aug 2011 20:41:18 +0000 (9 15:41 -0500)
treefe691683c6baf65e4fa26a64796157d104ace112
parenta42e52a09f8ccf25a46d7953b2e0a30f306ed223
Don't walk off front of string when stripping newline

If the string was zero-length to begin with, or consists of only newline
characters, nothing stopped us from incrementing right off the front of
the string. Ensure len stays above zero the whole time.

Signed-off-by: Dan McGee <dan@archlinux.org>
lib/libalpm/util.c