fixes issue #2637

2025-05-03 02:36:44 +00:00
parent 2085646e57
commit f13f2cb619
4 changed files with 23 additions and 1 deletions
--- a/src/cc65/preproc.c
+++ b/src/cc65/preproc.c
@@ -2647,8 +2647,9 @@ static void DoDefine (void)
        ** "There shall be white-space between the identifier and the
        ** replacement list in the definition of an object-like macro."
        ** Note: C89 doesn't have this constraint.
+        ** Note: if there is no replacement list, a space is not required.
        */
-        if (Std == STD_C99 && !IsSpace (CurC)) {
+        if (Std == STD_C99 && !IsSpace (CurC) && CurC != 0) {
            PPWarning ("ISO C99 requires whitespace after the macro name");
        }