From 2eb03276f4651ea84c90b66cf3c78f8f3b96fab2 Mon Sep 17 00:00:00 2001
From: Dimitri van Heesch <doxygen@gmail.com>
Date: Wed, 11 Mar 2020 22:49:07 +0100
Subject: Fixed unsigned/signed character warnings

---
 src/markdown.cpp |  8 ++++----
 src/util.cpp     | 10 +++++-----
 2 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/src/markdown.cpp b/src/markdown.cpp
index caf77b5..b99db00 100644
--- a/src/markdown.cpp
+++ b/src/markdown.cpp
@@ -109,7 +109,7 @@ static Entry         *g_current;
 static QCString       g_fileName;
 static int            g_lineNr;
 static int            g_indentLevel=0;  // 0 is outside markdown, -1=page level
-static const char     g_utf8_nbsp[3] = {'\xc2', '\xa0', '\0'}; // UTF-8 nbsp
+static const uchar    g_utf8_nbsp[3] = { 0xc2, 0xa0, 0}; // UTF-8 nbsp
 static const char    *g_doxy_nsbp = "&_doxy_nbsp;";            // doxygen escape command for UTF-8 nbsp
 //----------
 
@@ -1036,7 +1036,7 @@ static void addStrEscapeUtf8Nbsp(GrowBuf &out,const char *s,int len)
   }
   else // escape needed -> slow
   {
-    out.addStr(substitute(QCString(s).left(len),g_doxy_nsbp,g_utf8_nbsp));
+    out.addStr(substitute(QCString(s).left(len),g_doxy_nsbp,(const char *)g_utf8_nbsp));
   }
 }
 
@@ -2487,8 +2487,8 @@ static QCString detab(const QCString &s,int &refIndent)
       default: // non-whitespace => update minIndent
         if (c<0 && i<size) // multibyte sequence
         {
-          // special handling of the UTF-8 nbsp character 0xc2 0xa0
-          if (c == '\xc2' && data[i] == '\xa0')
+          // special handling of the UTF-8 nbsp character 0xC2 0xA0
+          if ((uchar)c == 0xC2 && (uchar)(data[i]) == 0xA0)
           {
             out.addStr(g_doxy_nsbp);
             i++;
diff --git a/src/util.cpp b/src/util.cpp
index 28af27b..97d03c5 100644
--- a/src/util.cpp
+++ b/src/util.cpp
@@ -6993,9 +6993,9 @@ bool checkIfTypedef(const Definition *scope,const FileDef *fileScope,const char
 
 const char *writeUtf8Char(FTextStream &t,const char *s)
 {
-  char c=*s++;
-  t << c;
-  if (c<0) // multibyte character
+  uchar c=(uchar)*s++;
+  t << (char)c;
+  if (c>=0x80) // multibyte character
   {
     if (((uchar)c&0xE0)==0xC0)
     {
@@ -7025,8 +7025,8 @@ int nextUtf8CharPosition(const QCString &utf8Str,uint len,uint startPos)
 {
   int bytes=1;
   if (startPos>=len) return len;
-  char c = utf8Str[startPos];
-  if (c<0) // multibyte utf-8 character
+  uchar c = (uchar)utf8Str[startPos];
+  if (c>=0x80) // multibyte utf-8 character
   {
     if (((uchar)c&0xE0)==0xC0)
     {
-- 
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