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authorLittleboy2011-06-23 05:42:48 -0400
committerLittleboy2011-06-23 08:52:52 -0400
commitb694a78f62a02253bca2a5611314599ae7fce725 (patch)
tree115573b00e3b025ed334f9eadeadfb6161286089 /engines/m4/dialogs.cpp
parent7a96e0bfb67e9b5b8c0aa9bdae8415fb98214c3f (diff)
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ANALYSIS: Add static casts to is* functions
This fixes a potential problem with passing char values that would be sign-extended and yield unexpected results. See http://msdn.microsoft.com/en-us/library/ms245348.aspx
Diffstat (limited to 'engines/m4/dialogs.cpp')
-rw-r--r--engines/m4/dialogs.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/engines/m4/dialogs.cpp b/engines/m4/dialogs.cpp
index 390ca711d1..2b2c479673 100644
--- a/engines/m4/dialogs.cpp
+++ b/engines/m4/dialogs.cpp
@@ -265,7 +265,7 @@ void Dialog::setupInputArea() {
*/
bool Dialog::matchCommand(const char *s1, const char *s2) {
bool result = scumm_strnicmp(s1, s2, strlen(s2)) == 0;
- _commandCase = isupper(*s1);
+ _commandCase = isupper(static_cast<unsigned char>(*s1));
return result;
}