tccpp: #define max(a,b) && max /= 8;

This fixes 20a1ebf854
where the '/' above was lost when max() was defined

Also: ignore binary files with -E (for example 'tcc -lxxx -E ...')

libtcc.c

@@ -1039,6 +1039,11 @@ ST_FUNC int tcc_add_file_internal(TCCState *s1, const char *filename, int flags)
         filename = buf;
 #endif
 
+    /* ignore binary files with -E */
+    if (s1->output_type == TCC_OUTPUT_PREPROCESS
+        && (flags & AFF_TYPE_BIN))
+        return 0;
+
     /* open the file */
     fd = _tcc_open(s1, filename);
     if (fd < 0) {

tccpp.c

@@ -3236,6 +3236,7 @@ static int next_argstream(Sym **nested_list, TokenString *ws_str)
                         } else if (c == '/') {
                             p = parse_line_comment(p) - 1;
                         } else {
+                            *--p = ch;
                             break;
                         }
                         ch = ' ';