fill_window(s);
     while (s->lookahead >= STD_MIN_MATCH) {
         str = s->strstart;
-        n = s->lookahead - (STD_MIN_MATCH-1);
+        n = s->lookahead - (STD_MIN_MATCH - 1);
         functable.insert_string(s, str, n);
         s->strstart = str + n;
-        s->lookahead = STD_MIN_MATCH-1;
+        s->lookahead = STD_MIN_MATCH - 1;
         fill_window(s);
     }
     s->strstart += s->lookahead;
     s->block_start = (int)s->strstart;
     s->insert = s->lookahead;
     s->lookahead = 0;
-    s->prev_length = STD_MIN_MATCH-1;
+    s->prev_length = STD_MIN_MATCH - 1;
     s->match_available = 0;
     strm->next_in = (z_const unsigned char *)next;
     strm->avail_in = avail;
     s->block_start = 0;
     s->lookahead = 0;
     s->insert = 0;
-    s->prev_length = STD_MIN_MATCH-1;
+    s->prev_length = STD_MIN_MATCH - 1;
     s->match_available = 0;
     s->match_start = 0;
 }
 
         if (UNLIKELY(bflush))
             FLUSH_BLOCK(s, 0);
     }
-    s->insert = s->strstart < STD_MIN_MATCH-1 ? s->strstart : STD_MIN_MATCH-1;
+    s->insert = s->strstart < (STD_MIN_MATCH - 1) ? s->strstart : (STD_MIN_MATCH - 1);
     if (UNLIKELY(flush == Z_FINISH)) {
         FLUSH_BLOCK(s, 1);
         return finish_done;
 
     /* Insert new strings in the hash table only if the match length
      * is not too large. This saves time but degrades compression.
      */
-    if (match.match_length <= 16* s->max_insert_length && s->lookahead >= WANT_MIN_MATCH) {
+    if (match.match_length <= 16 * s->max_insert_length && s->lookahead >= WANT_MIN_MATCH) {
         match.match_length--; /* string at strstart already in table */
         match.strstart++;
 
         if (UNLIKELY(bflush))
             FLUSH_BLOCK(s, 0);
     }
-    s->insert = s->strstart < STD_MIN_MATCH-1 ? s->strstart : STD_MIN_MATCH-1;
+    s->insert = s->strstart < (STD_MIN_MATCH - 1) ? s->strstart : (STD_MIN_MATCH - 1);
     if (flush == Z_FINISH) {
         FLUSH_BLOCK(s, 1);
         return finish_done;
 
         s->lookahead--;
     }
 
-    s->insert = s->strstart < STD_MIN_MATCH-1 ? s->strstart : STD_MIN_MATCH-1;
+    s->insert = s->strstart < (STD_MIN_MATCH - 1) ? s->strstart : (STD_MIN_MATCH - 1);
     if (UNLIKELY(last)) {
         QUICK_END_BLOCK(s, 1);
         return finish_done;
 
         /* Find the longest match, discarding those <= prev_length.
          */
         s->prev_match = (Pos)s->match_start;
-        match_len = STD_MIN_MATCH-1;
+        match_len = STD_MIN_MATCH - 1;
         dist = (int64_t)s->strstart - hash_head;
 
         if (dist <= MAX_DIST(s) && dist > 0 && s->prev_length < s->max_lazy_match && hash_head != 0) {
                 /* If prev_match is also WANT_MIN_MATCH, match_start is garbage
                  * but we will ignore the current match anyway.
                  */
-                match_len = STD_MIN_MATCH-1;
+                match_len = STD_MIN_MATCH - 1;
             }
         }
         /* If there was a match at the previous step and the current
         (void) zng_tr_tally_lit(s, s->window[s->strstart-1]);
         s->match_available = 0;
     }
-    s->insert = s->strstart < STD_MIN_MATCH-1 ? s->strstart : STD_MIN_MATCH-1;
+    s->insert = s->strstart < (STD_MIN_MATCH - 1) ? s->strstart : (STD_MIN_MATCH - 1);
     if (UNLIKELY(flush == Z_FINISH)) {
         FLUSH_BLOCK(s, 1);
         return finish_done;