Update lcc cpp memmove function (we don't use lcc cpp right now but the fix is obvious).

Brian Callahan · Brian Callahan · commit e5ee7f40a5ac · 2016-02-22T19:37:05.000-05:00
From drh/lcc#16
diff --git a/lang/lcc/cpp/unix.c b/lang/lcc/cpp/unix.c
@@ -98,7 +98,7 @@ memmove(void *dp, const void *sp, size_t n)
 	unsigned char *cdp, *csp;
 
 	if (n==0)
-		return 0;
+		return dp;
 	cdp = dp;
 	csp = (unsigned char *)sp;
 	if (cdp < csp) {
@@ -112,5 +112,5 @@ memmove(void *dp, const void *sp, size_t n)
 			*--cdp = *--csp;
 		} while (--n);
 	}
-	return 0;
+	return dp;
 }

Original file line number	Diff line number	Diff line change
`@@ -98,7 +98,7 @@ memmove(void dp, const void sp, size_t n)`
`98`	`98`	`unsigned char cdp, csp;`
`99`	`99`
`100`	`100`	`if (n==0)`
`101`		`- return 0;`
	`101`	`+ return dp;`
`102`	`102`	`cdp = dp;`
`103`	`103`	`csp = (unsigned char *)sp;`
`104`	`104`	`if (cdp < csp) {`
`@@ -112,5 +112,5 @@ memmove(void dp, const void sp, size_t n)`
`112`	`112`	`--cdp = --csp;`
`113`	`113`	`} while (--n);`
`114`	`114`	`}`
`115`		`- return 0;`
	`115`	`+ return dp;`
`116`	`116`	`}`