commit f9ce7ebaa6ef436f492408aa23d1ae1b6778e4c4
from: Sven M. Hallberg <pesco@khjk.org>
date: Fri Aug 07 17:10:42 2020 UTC

compare symbol by pointer rather than string

commit - da6b9ad4417ba3206815244901e97e80fb5a46ff
commit + f9ce7ebaa6ef436f492408aa23d1ae1b6778e4c4
blob - 064dae8dd8dd7c8ae6365df380c9029dc6ae2ed5
blob + a81cec5087f86f647bb1e17a9e7f827c4868330e
--- minip_n.h
+++ minip_n.h
@@ -206,7 +206,6 @@ many1_(struct stream inp, struct cache *cac, void *env
 	return many_(inp, cac, env, ps, n);
 }
 
-#include <string.h>	/* strcmp */
 #include <stdlib.h>	/* calloc */
 #include <limits.h>	/* UINT_MAX */
 #include <stdint.h>	/* SIZE_MAX */
@@ -234,8 +233,8 @@ memo_(struct stream inp, struct cache *cache, void *en
 	/* hash (pos,sym) */
 	for (i=0; i < sizeof inp.p; i++)
 		h0 = h0 * 33 + ((unsigned char *)&inp.p)[i];
-	for (i=0; sym[i] != '\0'; i++)
-		h0 = h0 * 33 + (unsigned char)sym[i];
+	for (i=0; i < sizeof sym; i++)
+		h0 = h0 * 33 + ((unsigned char *)&sym)[i];
 
 	/* look up (pos,sym) in cache and return if found */
 	/* NB: count steps, since the table could be filled with dummies */
@@ -245,7 +244,7 @@ memo_(struct stream inp, struct cache *cache, void *en
 			break;
 		if (mem->symbol == NULL)	/* dummy entry */
 			continue;
-		if (mem->position == inp.p && strcmp(mem->symbol, sym) == 0)
+		if (mem->position == inp.p && mem->symbol == sym)
 			return mem->result;	/* match */
 	}