Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754171AbZJYTbK (ORCPT ); Sun, 25 Oct 2009 15:31:10 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754111AbZJYTbI (ORCPT ); Sun, 25 Oct 2009 15:31:08 -0400 Received: from mail.pxnet.com ([195.227.45.7]:43602 "EHLO mail.pxnet.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754134AbZJYTbD (ORCPT ); Sun, 25 Oct 2009 15:31:03 -0400 From: Tilman Schmidt Subject: [PATCH 9/9] gigaset: convert strcmp chain to table lookup To: David Miller , Karsten Keil CC: Hansjoerg Lipp , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, isdn4linux@listserv.isdn4linux.de, i4ldeveloper@listserv.isdn4linux.de Message-ID: <20091023-patch-gigaset-09.tilman@imap.cc> In-Reply-To: <20091023-patch-gigaset-00.tilman@imap.cc> References: <20091023-patch-gigaset-00.tilman@imap.cc> Date: Sun, 25 Oct 2009 20:30:57 +0100 (CET) X-Spam-Score: -2.176 () AWL,BAYES_00,RDNS_NONE Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3387 Lines: 113 Replace the sequence of strcmp calls for interpreting ZSAU parameter strings by a table of known strings and lookup loop to improve readability. Impact: readability improvement, no functional change Signed-off-by: Tilman Schmidt --- drivers/isdn/gigaset/ev-layer.c | 42 +++++++++++++++++++++++--------------- drivers/isdn/gigaset/gigaset.h | 6 ----- 2 files changed, 25 insertions(+), 23 deletions(-) diff --git a/drivers/isdn/gigaset/ev-layer.c b/drivers/isdn/gigaset/ev-layer.c index a9a3975..ddeb045 100644 --- a/drivers/isdn/gigaset/ev-layer.c +++ b/drivers/isdn/gigaset/ev-layer.c @@ -374,7 +374,11 @@ struct reply_t gigaset_tab_cid[] = }; -static const struct resp_type_t resp_type[] = +static const struct resp_type_t { + unsigned char *response; + int resp_code; + int type; +} resp_type[] = { {"OK", RSP_OK, RT_NOTHING}, {"ERROR", RSP_ERROR, RT_NOTHING}, @@ -402,6 +406,20 @@ static const struct resp_type_t resp_type[] = {NULL, 0, 0} }; +static const struct zsau_resp_t { + unsigned char *str; + int code; +} zsau_resp[] = +{ + {"OUTGOING_CALL_PROCEEDING", ZSAU_OUTGOING_CALL_PROCEEDING}, + {"CALL_DELIVERED", ZSAU_CALL_DELIVERED}, + {"ACTIVE", ZSAU_ACTIVE}, + {"DISCONNECT_IND", ZSAU_DISCONNECT_IND}, + {"NULL", ZSAU_NULL}, + {"DISCONNECT_REQ", ZSAU_DISCONNECT_REQ}, + {NULL, ZSAU_UNKNOWN} +}; + /* * Get integer from char-pointer */ @@ -480,6 +498,7 @@ void gigaset_handle_modem_response(struct cardstate *cs) int params; int i, j; const struct resp_type_t *rt; + const struct zsau_resp_t *zr; int curarg; unsigned long flags; unsigned next, tail, head; @@ -606,25 +625,14 @@ void gigaset_handle_modem_response(struct cardstate *cs) event->parameter = ZSAU_NONE; break; } - if (!strcmp(argv[curarg], "OUTGOING_CALL_PROCEEDING")) - event->parameter = - ZSAU_OUTGOING_CALL_PROCEEDING; - else if (!strcmp(argv[curarg], "CALL_DELIVERED")) - event->parameter = ZSAU_CALL_DELIVERED; - else if (!strcmp(argv[curarg], "ACTIVE")) - event->parameter = ZSAU_ACTIVE; - else if (!strcmp(argv[curarg], "DISCONNECT_IND")) - event->parameter = ZSAU_DISCONNECT_IND; - else if (!strcmp(argv[curarg], "NULL")) - event->parameter = ZSAU_NULL; - else if (!strcmp(argv[curarg], "DISCONNECT_REQ")) - event->parameter = ZSAU_DISCONNECT_REQ; - else { - event->parameter = ZSAU_UNKNOWN; + for (zr = zsau_resp; zr->str; ++zr) + if (!strcmp(argv[curarg], zr->str)) + break; + event->parameter = zr->code; + if (!zr->str) dev_warn(cs->dev, "%s: unknown parameter %s after ZSAU\n", __func__, argv[curarg]); - } ++curarg; break; case RT_STRING: diff --git a/drivers/isdn/gigaset/gigaset.h b/drivers/isdn/gigaset/gigaset.h index 3c74cd1..e963a6c 100644 --- a/drivers/isdn/gigaset/gigaset.h +++ b/drivers/isdn/gigaset/gigaset.h @@ -357,12 +357,6 @@ struct at_state_t { struct bc_state *bcs; }; -struct resp_type_t { - unsigned char *response; - int resp_code; /* RSP_XXXX */ - int type; /* RT_XXXX */ -}; - struct event_t { int type; void *ptr, *arg; -- 1.6.2.1.214.ge986c -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/