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| author | Tilman Schmidt <tilman@imap.cc> | 2009-10-25 09:30:57 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-10-29 01:37:18 -0700 |
| commit | 50e4fe91a5edbf680853b2ca37300a47ff860d63 (patch) | |
| tree | 1b361226a74b6fd3f2d7819507fb3154c43a6107 /drivers/isdn/gigaset/ev-layer.c | |
| parent | c35a87ff6678f92b12437843e88f9c89437ed4a7 (diff) | |
| download | linux-50e4fe91a5edbf680853b2ca37300a47ff860d63.tar.gz linux-50e4fe91a5edbf680853b2ca37300a47ff860d63.tar.bz2 linux-50e4fe91a5edbf680853b2ca37300a47ff860d63.zip | |
gigaset: convert strcmp chain to table lookup
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 <tilman@imap.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/isdn/gigaset/ev-layer.c')
| -rw-r--r-- | drivers/isdn/gigaset/ev-layer.c | 42 |
1 files changed, 25 insertions, 17 deletions
diff --git a/drivers/isdn/gigaset/ev-layer.c b/drivers/isdn/gigaset/ev-layer.c index a9a397519bac..ddeb0456d202 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: |