st

simple terminal
git clone git://git.suckless.org/st
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commit af3bb68add1c40d19d0dee382009e21b0870a38f
parent 2aefa348baf4b702fdce98eb105bcba175d8283f
Author: NRK <nrk@disroot.org>
Date:   Fri, 18 Mar 2022 16:20:54 +0600

avoid potential UB when using isprint()

all the ctype.h functions' argument must be representable as an unsigned
char or as EOF, otherwise the behavior is undefined.

Diffstat:
Mst.c | 2+-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/st.c b/st.c @@ -367,7 +367,7 @@ static const char base64_digits[] = { char base64dec_getc(const char **src) { - while (**src && !isprint(**src)) + while (**src && !isprint((unsigned char)**src)) (*src)++; return **src ? *((*src)++) : '='; /* emulate padding if string ends */ }