bbOf: use a C99 bool argument to more strongly indicate a type

diff --git a/lib/gvpr/compile.c b/lib/gvpr/compile.c
index 01f873bce6ce526419fc43124e9376247b936032..10db9925d045d7841c0814bf6eabed0043265a53 100644 (file)
--- a/lib/gvpr/compile.c
+++ b/lib/gvpr/compile.c
@@ -26,6 +26,7 @@
 #include <gvpr/actions.h>
 #include <ast/sfstr.h>
 #include <string.h>
+#include <stdbool.h>
 #include <stdio.h>
 #include <math.h>
 
@@ -112,7 +113,7 @@ static char *nameOf(Expr_t * ex, Agobj_t * obj, Sfio_t* tmps)
  * If string as form "x,y,u,v" where is all are numeric,
  * return "x,y" or "u,v", depending on getll, else return ""
  */
-static char *bbOf(Expr_t * pgm, char *pt, int getll)
+static char *bbOf(Expr_t * pgm, char *pt, bool getll)
 {
     double x, y, u, v;
     char *s;
@@ -1486,10 +1487,10 @@ getval(Expr_t * pgm, Exnode_t * node, Exid_t * sym, Exref_t * ref,
            v.string = xyOf(pgm, args[0].string, 0);
            break;
        case F_llof:
-           v.string = bbOf(pgm, args[0].string, 1);
+           v.string = bbOf(pgm, args[0].string, true);
            break;
        case F_urof:
-           v.string = bbOf(pgm, args[0].string, 0);
+           v.string = bbOf(pgm, args[0].string, false);
            break;
        case F_length:
            v.integer = strlen(args[0].string);