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-rw-r--r--engines/agi/agi.cpp14
-rw-r--r--engines/agi/wagparser.cpp4
2 files changed, 3 insertions, 15 deletions
diff --git a/engines/agi/agi.cpp b/engines/agi/agi.cpp
index 4ed606c3ba..e9c9645768 100644
--- a/engines/agi/agi.cpp
+++ b/engines/agi/agi.cpp
@@ -250,19 +250,7 @@ void AgiEngine::processEvents() {
// Not a special key, so get the ASCII code for it
key = event.kbd.ascii;
- // Function isalpha is defined in <ctype.h> so the following applies to it:
- //
- // The C Programming Language Standard states:
- // The header <ctype.h> declares several functions useful for classifying
- // and mapping characters. In all cases the argument is an int, the value
- // of which shall be representable as an unsigned char or shall equal the
- // value of the macro EOF. If the argument has any other value, the
- // behavior is undefined.
- //
- // For a concrete example (e.g. in Microsoft Visual Studio 2003):
- // When used with a debug CRT library, isalpha will display a CRT assert
- // if passed a parameter that isn't EOF or in the range of 0 through 0xFF.
- if (key >= 0 && key <= 0xFF && isalpha(key)) {
+ if (Common::isAlpha(key)) {
// Key is A-Z.
// Map Ctrl-A to 1, Ctrl-B to 2, etc.
if (event.kbd.flags & Common::KBD_CTRL) {
diff --git a/engines/agi/wagparser.cpp b/engines/agi/wagparser.cpp
index 39f9e0dd92..61feac5d17 100644
--- a/engines/agi/wagparser.cpp
+++ b/engines/agi/wagparser.cpp
@@ -112,11 +112,11 @@ WagFileParser::~WagFileParser() {
bool WagFileParser::checkAgiVersionProperty(const WagProperty &version) const {
if (version.getCode() == WagProperty::PC_INTVERSION && // Must be AGI interpreter version property
version.getSize() >= 3 && // Need at least three characters for a version number like "X.Y"
- isdigit(static_cast<unsigned char>(version.getData()[0])) && // And the first character must be a digit
+ Common::isDigit(version.getData()[0]) && // And the first character must be a digit
(version.getData()[1] == ',' || version.getData()[1] == '.')) { // And the second a comma or a period
for (int i = 2; i < version.getSize(); i++) // And the rest must all be digits
- if (!isdigit(static_cast<unsigned char>(version.getData()[i])))
+ if (!Common::isDigit(version.getData()[i]))
return false; // Bail out if found a non-digit after the decimal point
return true;