ALL: Avoid using is* macros from ctype.h

On some systems, passing signed chars to macros like isspace() etc. lead
to a runtime error. Hence, mark these macros as forbidden by default,
and introduce otherwise equivalent alternatives for them.

1 files changed, 1 insertions, 1 deletions

diff --git a/gui/launcher.cpp b/gui/launcher.cpp
index c737b81b33..b23ef23511 100644
--- a/gui/launcher.cpp
+++ b/gui/launcher.cpp
@@ -90,7 +90,7 @@ public:
 
 protected:
 	bool tryInsertChar(byte c, int pos) {
-		if (isalnum(c) || c == '-' || c == '_') {
+		if (isAlnum(c) || c == '-' || c == '_') {
 			_editString.insertChar(c, pos);
 			return true;
 		}