From 433a84defabbd533714baa81f32007245c7ca3f0 Mon Sep 17 00:00:00 2001 From: Joerg Sonnenberger Date: Tue, 21 Jun 2016 14:34:02 +0200 Subject: [PATCH] Fix argument range of ctype functions. --- libarchive_fe/passphrase.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/libarchive_fe/passphrase.c b/libarchive_fe/passphrase.c index 1eae0b888..d5ecccc5a 100644 --- a/libarchive_fe/passphrase.c +++ b/libarchive_fe/passphrase.c @@ -237,11 +237,11 @@ restart: if (p < end) { if ((flags & RPP_SEVENBIT)) ch &= 0x7f; - if (isalpha(ch)) { + if (isalpha((unsigned char)ch)) { if ((flags & RPP_FORCELOWER)) - ch = (char)tolower(ch); + ch = (char)tolower((unsigned char)ch); if ((flags & RPP_FORCEUPPER)) - ch = (char)toupper(ch); + ch = (char)toupper((unsigned char)ch); } *p++ = ch; } -- 2.47.3