linux-bluetooth.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Santiago Carot-Nemesio <sancane@gmail.com>
To: linux-bluetooth@vger.kernel.org
Cc: Santiago Carot-Nemesio <sancane@gmail.com>
Subject: [PATCH 8/8] gatt-example: Fix g_assert checks when an uint16_t value overflows
Date: Tue, 24 Jan 2012 12:06:28 +0100	[thread overview]
Message-ID: <1327403188-21981-9-git-send-email-sancane@gmail.com> (raw)
In-Reply-To: <1327403188-21981-8-git-send-email-sancane@gmail.com>

g_assert statements are buggy when the last handler available
overflows the uint16_t range. This check is currently used to
evaluate if the number of requested attributes for a sevice
match with the number of attributes added in the data base.
---
 plugins/gatt-example.c |   21 ++++++++++-----------
 1 files changed, 10 insertions(+), 11 deletions(-)

diff --git a/plugins/gatt-example.c b/plugins/gatt-example.c
index 2564766..f503e22 100644
--- a/plugins/gatt-example.c
+++ b/plugins/gatt-example.c
@@ -230,10 +230,10 @@ static void register_termometer_service(struct gatt_example_adapter *adapter,
 	bt_uuid16_create(&uuid, GATT_CHARAC_USER_DESC_UUID);
 	len = strlen(desc_out_hum);
 	strncpy((char *) atval, desc_out_hum, len);
-	attrib_db_add(adapter->adapter, h++, &uuid, ATT_NONE, ATT_NOT_PERMITTED,
+	attrib_db_add(adapter->adapter, h, &uuid, ATT_NONE, ATT_NOT_PERMITTED,
 								atval, len);
 
-	g_assert(h - start_handle == svc_size);
+	g_assert(h - start_handle + 1 == svc_size);
 
 	/* Add an SDP record for the above service */
 	sdp_handle = attrib_create_sdp(adapter->adapter, start_handle,
@@ -298,10 +298,10 @@ static void register_manuf1_service(struct gatt_example_adapter *adapter,
 	bt_uuid16_create(&uuid, MANUFACTURER_SERIAL_UUID);
 	len = strlen(serial1);
 	strncpy((char *) atval, serial1, len);
-	attrib_db_add(adapter->adapter, h++, &uuid, ATT_NONE, ATT_NOT_PERMITTED,
+	attrib_db_add(adapter->adapter, h, &uuid, ATT_NONE, ATT_NOT_PERMITTED,
 								atval, len);
 
-	g_assert(h - start_handle == svc_size);
+	g_assert(h - start_handle + 1 == svc_size);
 
 	range[0] = start_handle;
 	range[1] = start_handle + svc_size - 1;
@@ -362,10 +362,10 @@ static void register_manuf2_service(struct gatt_example_adapter *adapter,
 	bt_uuid16_create(&uuid, MANUFACTURER_SERIAL_UUID);
 	len = strlen(serial2);
 	strncpy((char *) atval, serial2, len);
-	attrib_db_add(adapter->adapter, h++, &uuid, ATT_NONE, ATT_NOT_PERMITTED,
+	attrib_db_add(adapter->adapter, h, &uuid, ATT_NONE, ATT_NOT_PERMITTED,
 								atval, len);
 
-	g_assert(h - start_handle == svc_size);
+	g_assert(h - start_handle + 1 == svc_size);
 
 	range[0] = start_handle;
 	range[1] = start_handle + svc_size - 1;
@@ -412,10 +412,10 @@ static void register_vendor_service(struct gatt_example_adapter *adapter,
 	atval[3] = 0x64;
 	atval[4] = 0x6F;
 	atval[5] = 0x72;
-	attrib_db_add(adapter->adapter, h++, &uuid, ATT_NONE, ATT_NOT_PERMITTED,
+	attrib_db_add(adapter->adapter, h, &uuid, ATT_NONE, ATT_NOT_PERMITTED,
 								atval, 6);
 
-	g_assert(h - start_handle == svc_size);
+	g_assert(h - start_handle + 1 == svc_size);
 
 	range[0] = start_handle;
 	range[1] = start_handle + svc_size - 1;
@@ -499,10 +499,9 @@ static void register_weight_service(struct gatt_example_adapter *adapter,
 	bt_uuid16_create(&uuid, GATT_CHARAC_USER_DESC_UUID);
 	len = strlen(desc_weight);
 	strncpy((char *) atval, desc_weight, len);
-	attrib_db_add(adapter->adapter, h++, &uuid, ATT_NONE, ATT_NOT_PERMITTED,
+	attrib_db_add(adapter->adapter, h, &uuid, ATT_NONE, ATT_NOT_PERMITTED,
 								atval, len);
-
-	g_assert(h - start_handle == svc_size);
+	g_assert(h - start_handle + 1 == svc_size);
 
 	/* Add an SDP record for the above service */
 	sdp_handle = attrib_create_sdp(adapter->adapter, start_handle,
-- 
1.7.8.4


  reply	other threads:[~2012-01-24 11:06 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-01-24 11:06 GATT service improvements Santiago Carot-Nemesio
2012-01-24 11:06 ` [PATCH 1/8] gatt-service: Add support for 128-bit Bluetooth UUIDs Santiago Carot-Nemesio
2012-01-24 11:06   ` [PATCH 2/8] gatt-service: Move va_end just after processing the argument list Santiago Carot-Nemesio
2012-01-24 11:06     ` [PATCH 3/8] gatt-service: Provide service uuid in attrib_db_find_avail function Santiago Carot-Nemesio
2012-01-24 11:06       ` [PATCH 4/8] attrib-server: Allocate 16-bits UUIDS at the begining of the list Santiago Carot-Nemesio
2012-01-24 11:06         ` [PATCH 5/8] attrib-server: Set database uuids as a double linked list Santiago Carot-Nemesio
2012-01-24 11:06           ` [PATCH 6/8] glib-compat: Add g_list_free_full to deal with issues in old GLib versions Santiago Carot-Nemesio
2012-01-24 11:06             ` [PATCH 7/8] attrib-server: Allocate 128-bits UUIDs using highest available handlers Santiago Carot-Nemesio
2012-01-24 11:06               ` Santiago Carot-Nemesio [this message]
2012-01-24 13:48               ` Anderson Lizardo
2012-01-24 15:49                 ` Santiago Carot
2012-01-24 12:47         ` [PATCH 4/8] attrib-server: Allocate 16-bits UUIDS at the begining of the list Anderson Lizardo
2012-01-24 12:18       ` [PATCH 3/8] gatt-service: Provide service uuid in attrib_db_find_avail function Anderson Lizardo
2012-01-24 12:03   ` [PATCH 1/8] gatt-service: Add support for 128-bit Bluetooth UUIDs Anderson Lizardo
  -- strict thread matches above, loose matches on Subject: below --
2012-01-25 10:03 GATT improvements v2 Santiago Carot-Nemesio
2012-01-25 10:03 ` [PATCH 1/8] gatt-service: Add support for 128-bit Bluetooth UUIDs Santiago Carot-Nemesio
2012-01-25 10:03   ` [PATCH 2/8] gatt-service: Move va_end just after processing the argument list Santiago Carot-Nemesio
2012-01-25 10:03     ` [PATCH 3/8] gatt-service: Provide service uuid in attrib_db_find_avail function Santiago Carot-Nemesio
2012-01-25 10:03       ` [PATCH 4/8] attrib-server: Allocate 16-bits UUIDS at the begining of the list Santiago Carot-Nemesio
2012-01-25 10:03         ` [PATCH 5/8] attrib-server: Set database uuids as a double linked list Santiago Carot-Nemesio
2012-01-25 10:03           ` [PATCH 6/8] glib-compat: Add g_list_free_full to deal with issues in old GLib versions Santiago Carot-Nemesio
2012-01-25 10:03             ` [PATCH 7/8] attrib-server: Allocate 128-bits UUIDs using highest available handlers Santiago Carot-Nemesio
2012-01-25 10:03               ` [PATCH 8/8] gatt-example: Fix g_assert checks when an uint16_t value overflows Santiago Carot-Nemesio
2012-01-25 13:12 GATT improvements v3 Santiago Carot-Nemesio
2012-01-25 13:12 ` [PATCH 1/8] gatt-service: Add support for 128-bit Bluetooth UUIDs Santiago Carot-Nemesio
2012-01-25 13:12   ` [PATCH 2/8] gatt-service: Move va_end just after processing the argument list Santiago Carot-Nemesio
2012-01-25 13:12     ` [PATCH 3/8] gatt-service: Provide service uuid in attrib_db_find_avail function Santiago Carot-Nemesio
2012-01-25 13:12       ` [PATCH 4/8] attrib-server: Allocate 16-bits UUIDS at the begining of the list Santiago Carot-Nemesio
2012-01-25 13:12         ` [PATCH 5/8] attrib-server: Set database uuids as a double linked list Santiago Carot-Nemesio
2012-01-25 13:12           ` [PATCH 6/8] glib-compat: Add g_list_free_full to deal with issues in old GLib versions Santiago Carot-Nemesio
2012-01-25 13:12             ` [PATCH 7/8] attrib-server: Allocate 128-bits UUIDs using highest available handlers Santiago Carot-Nemesio
2012-01-25 13:12               ` [PATCH 8/8] gatt-example: Fix g_assert checks when an uint16_t value overflows Santiago Carot-Nemesio

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1327403188-21981-9-git-send-email-sancane@gmail.com \
    --to=sancane@gmail.com \
    --cc=linux-bluetooth@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).