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authorLibravatar Jonathan Nieder <jrnieder@gmail.com>2010-10-04 04:09:17 -0500
committerLibravatar Junio C Hamano <gitster@pobox.com>2010-10-06 10:46:45 -0700
commit349362cc207c96bbf31f503db989f0289c13c05d (patch)
tree507437c460f5a35b8377b6f821ab448ea1027610 /diffcore.h
parentinit: plug tiny one-time memory leak (diff)
downloadtgif-349362cc207c96bbf31f503db989f0289c13c05d.tar.xz
xdiff: cast arguments for ctype functions to unsigned char
The ctype functions isspace(), isalnum(), et al take an integer argument representing an unsigned character, or -1 for EOF. On platforms with a signed char, it is unsafe to pass a char to them without casting it to unsigned char first. Most of git is already shielded against this by the ctype implementation in git-compat-util.h, but xdiff, which uses libc ctype.h, ought to be fixed. Noticed-by: der Mouse <mouse@Rodents-Montreal.ORG> Reported-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'diffcore.h')
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