htmlEntityUTF8: [nfc] use a C99 bool for 'warned' local instead of boolean

diff --git a/lib/common/utils.c b/lib/common/utils.c
index 929eb355430c843508a76dab3829cf61c6b825ae..80a07af2a8a8932c8be5640932323076aab84b11 100644 (file)
--- a/lib/common/utils.c
+++ b/lib/common/utils.c
@@ -1437,7 +1437,7 @@ cvtAndAppend (unsigned char c, agxbuf* xb)
 char* htmlEntityUTF8 (char* s, graph_t* g)
 {
     static graph_t* lastg;
-    static boolean warned;
+    static bool warned;
     char*  ns;
     agxbuf xb;
     unsigned char c;
@@ -1448,7 +1448,7 @@ char* htmlEntityUTF8 (char* s, graph_t* g)
 
     if (lastg != g) {
        lastg = g;
-       warned = 0;
+       warned = false;
     }
 
     agxbinit(&xb, 0, NULL);
@@ -1472,7 +1472,7 @@ char* htmlEntityUTF8 (char* s, graph_t* g)
             uc = -1;
             if (!warned) {
                 agerr(AGWARN, "UTF8 codes > 4 bytes are not currently supported (graph %s) - treated as Latin-1. Perhaps \"-Gcharset=latin1\" is needed?\n", agnameof(g));
-                warned = 1;
+                warned = true;
             }
             c = cvtAndAppend (c, &xb);
         }
@@ -1504,7 +1504,7 @@ char* htmlEntityUTF8 (char* s, graph_t* g)
                 else {
                            if (!warned) {
                                agerr(AGWARN, "Invalid %d-byte UTF8 found in input of graph %s - treated as Latin-1. Perhaps \"-Gcharset=latin1\" is needed?\n", uc + 1, agnameof(g));
-                               warned = 1;
+                               warned = true;
                            }
                            c = cvtAndAppend (c, &xb);
                     break;