Fix some warnings instead of relying upon #pragma to hide them

4 files changed, 6 insertions, 6 deletions

diff --git a/lexers/LexCPP.cxx b/lexers/LexCPP.cxx
index e140cd639..fbc2a4578 100644
--- a/lexers/LexCPP.cxx
+++ b/lexers/LexCPP.cxx
@@ -101,7 +101,7 @@ void highlightTaskMarker(StyleContext &sc, LexAccessor &styler,
 			if (caseSensitive)
 				marker[i] = ch;
 			else
-				marker[i] = tolower(ch);
+				marker[i] = static_cast<char>(tolower(ch));
 			i++;
 		}
 		marker[i] = '\0';
@@ -621,7 +621,7 @@ void SCI_METHOD LexerCPP::Lex(unsigned int startPos, int length, int initStyle,
 		}
 	}
 
-	StyleContext sc(startPos, length, initStyle, styler, static_cast<char>(0xff));
+	StyleContext sc(startPos, length, initStyle, styler, static_cast<unsigned char>(0xff));
 	LinePPState preproc = vlls.ForLine(lineCurrent);
 
 	bool definitionsChanged = false;
diff --git a/lexers/LexHTML.cxx b/lexers/LexHTML.cxx
index 501e5486a..f5da934d2 100644
--- a/lexers/LexHTML.cxx
+++ b/lexers/LexHTML.cxx
@@ -577,7 +577,7 @@ static void ColouriseHyperTextDoc(unsigned int startPos, int length, int initSty
 	WordList &keywords6 = *keywordlists[5]; // SGML (DTD) keywords
 
 	// Lexer for HTML requires more lexical states (8 bits worth) than most lexers
-	styler.StartAt(startPos, static_cast<char>(STYLE_MAX));
+	styler.StartAt(startPos, static_cast<unsigned char>(STYLE_MAX));
 	char prevWord[200];
 	prevWord[0] = '\0';
 	char phpStringDelimiter[200]; // PHP is not limited in length, we are
@@ -609,7 +609,7 @@ static void ColouriseHyperTextDoc(unsigned int startPos, int length, int initSty
 		if (startPos == 0)
 			state = SCE_H_DEFAULT;
 	}
-	styler.StartAt(startPos, static_cast<char>(STYLE_MAX));
+	styler.StartAt(startPos, static_cast<unsigned char>(STYLE_MAX));
 
 	int lineCurrent = styler.GetLine(startPos);
 	int lineState;
diff --git a/lexers/LexLua.cxx b/lexers/LexLua.cxx
index 62bb44dd1..fd0d70fd4 100644
--- a/lexers/LexLua.cxx
+++ b/lexers/LexLua.cxx
@@ -141,7 +141,7 @@ static void ColouriseLuaDoc(
 					char s[100];
 					while (setWord.Contains(c = sc.GetRelative(ln))) {	// get potential label
 						if (i < 90)
-							s[i++] = c;
+							s[i++] = static_cast<char>(c);
 						ln++;
 					}
 					s[i] = '\0'; int lbl = ln;
diff --git a/src/Editor.cxx b/src/Editor.cxx
index 1b51f7426..2ad5f5863 100644
--- a/src/Editor.cxx
+++ b/src/Editor.cxx
@@ -7306,7 +7306,7 @@ void Editor::AddStyledText(char *buffer, int appendLength) {
 	for (i = 0; i < textLength; i++) {
 		text[i] = buffer[i*2+1];
 	}
-	pdoc->StartStyling(CurrentPosition(), static_cast<char>(0xff));
+	pdoc->StartStyling(CurrentPosition(), static_cast<unsigned char>(0xff));
 	pdoc->SetStyles(textLength, text.c_str());
 	SetEmptySelection(sel.MainCaret() + lengthInserted);
 }