xbps-pkgdb: remove strerror message.

Also clean up macro in check.c.

Author: ericonr

bin/xbps-pkgdb/check.c

@@ -118,7 +118,7 @@ check_pkg_integrity(struct xbps_handle *xhp,
 
 #define RUN_PKG_CHECK(x, name, arg)				\
 do {								\
-	if ((rv = check_pkg_##name(x, pkgname, arg)) != 0) { 	\
+	if (check_pkg_##name(x, pkgname, arg)) { 	\
 		errors++;					\
 	}							\
 } while (0)
@@ -135,5 +135,5 @@ do {								\
 
 #undef RUN_PKG_CHECK
 
-	return errors;
+	return !!errors;
 }

bin/xbps-pkgdb/main.c

@@ -183,9 +183,9 @@ main(int argc, char **argv)
 	} else {
 		for (i = optind; i < argc; i++) {
 			rv = check_pkg_integrity(&xh, NULL, argv[i]);
-			if (rv < 0)
-				xbps_error_printf("Failed to check "
-				    "`%s': %s\n", argv[i], strerror(-rv));
+			if (rv != 0)
+				fprintf(stderr, "Failed to check "
+				    "`%s'\n", argv[i]);
 		}
 	}