diff mbox series

[BlueZ,1/4] shared/util: Add iovec helpers

Message ID 20221109222930.1137690-1-luiz.dentz@gmail.com
State Superseded
Headers show
Series [BlueZ,1/4] shared/util: Add iovec helpers | expand

Commit Message

Luiz Augusto von Dentz Nov. 9, 2022, 10:29 p.m. UTC
From: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>

This adds iovec helpers functions.
---
 src/shared/util.c | 53 +++++++++++++++++++++++++++++++++++++++++++++++
 src/shared/util.h |  6 ++++++
 2 files changed, 59 insertions(+)

Comments

bluez.test.bot@gmail.com Nov. 9, 2022, 11:31 p.m. UTC | #1
This is automated email and please do not reply to this email!

Dear submitter,

Thank you for submitting the patches to the linux bluetooth mailing list.
This is a CI test results with your patch series:
PW Link:https://patchwork.kernel.org/project/bluetooth/list/?series=693815

---Test result---

Test Summary:
CheckPatch                    PASS      1.51 seconds
GitLint                       PASS      0.99 seconds
Prep - Setup ELL              PASS      27.06 seconds
Build - Prep                  PASS      0.84 seconds
Build - Configure             PASS      8.58 seconds
Build - Make                  PASS      834.09 seconds
Make Check                    PASS      11.92 seconds
Make Check w/Valgrind         PASS      292.31 seconds
Make Distcheck                PASS      237.46 seconds
Build w/ext ELL - Configure   PASS      8.66 seconds
Build w/ext ELL - Make        PASS      84.90 seconds
Incremental Build w/ patches  PASS      0.00 seconds
Scan Build                    WARNING   1104.32 seconds

Details
##############################
Test: Scan Build - WARNING
Desc: Run Scan Build with patches
Output:
*****************************************************************************
The bugs reported by the scan-build may or may not be caused by your patches.
Please check the list and fix the bugs if they are caused by your patch.
*****************************************************************************
In file included from tools/mesh-gatt/crypto.c:32:
./src/shared/util.h:165:9: warning: 1st function call argument is an uninitialized value
        return be32_to_cpu(get_unaligned((const uint32_t *) ptr));
               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./src/shared/util.h:31:26: note: expanded from macro 'be32_to_cpu'
#define be32_to_cpu(val) bswap_32(val)
                         ^~~~~~~~~~~~~
/usr/include/byteswap.h:34:21: note: expanded from macro 'bswap_32'
#define bswap_32(x) __bswap_32 (x)
                    ^~~~~~~~~~~~~~
In file included from tools/mesh-gatt/crypto.c:32:
./src/shared/util.h:175:9: warning: 1st function call argument is an uninitialized value
        return be64_to_cpu(get_unaligned((const uint64_t *) ptr));
               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./src/shared/util.h:32:26: note: expanded from macro 'be64_to_cpu'
#define be64_to_cpu(val) bswap_64(val)
                         ^~~~~~~~~~~~~
/usr/include/byteswap.h:37:21: note: expanded from macro 'bswap_64'
#define bswap_64(x) __bswap_64 (x)
                    ^~~~~~~~~~~~~~
2 warnings generated.




---
Regards,
Linux Bluetooth
diff mbox series

Patch

diff --git a/src/shared/util.c b/src/shared/util.c
index 0a0308cb0786..228044be459a 100644
--- a/src/shared/util.c
+++ b/src/shared/util.c
@@ -189,6 +189,59 @@  void util_clear_uid(uint64_t *bitmap, uint8_t id)
 	*bitmap &= ~(((uint64_t)1) << (id - 1));
 }
 
+struct iovec *util_iov_dup(const struct iovec *iov, size_t cnt)
+{
+	struct iovec *dup;
+	size_t i;
+
+	if (!iov)
+		return NULL;
+
+	dup = new0(struct iovec, cnt);
+
+	for (i = 0; i < cnt; i++)
+		util_iov_memcpy(&dup[i], iov[i].iov_base, iov[i].iov_len);
+
+	return dup;
+}
+
+int util_iov_memcmp(const struct iovec *iov1, const struct iovec *iov2)
+{
+	if (!iov1)
+		return 1;
+
+	if (!iov2)
+		return -1;
+
+	if (iov1->iov_len != iov2->iov_len)
+		return iov1->iov_len - iov2->iov_len;
+
+	return memcmp(iov1->iov_base, iov2->iov_base, iov1->iov_len);
+}
+
+void util_iov_memcpy(struct iovec *iov, void *src, size_t len)
+{
+	if (!iov)
+		return;
+
+	iov->iov_base = realloc(iov->iov_base, len);
+	iov->iov_len = len;
+	memcpy(iov->iov_base, src, len);
+}
+
+void util_iov_free(struct iovec *iov, size_t cnt)
+{
+	size_t i;
+
+	if (!iov)
+		return;
+
+	for (i = 0; i < cnt; i++)
+		free(iov[i].iov_base);
+
+	free(iov);
+}
+
 static const struct {
 	uint16_t uuid;
 	const char *str;
diff --git a/src/shared/util.h b/src/shared/util.h
index 554481e1e1ea..765a4e956636 100644
--- a/src/shared/util.h
+++ b/src/shared/util.h
@@ -15,6 +15,7 @@ 
 #include <byteswap.h>
 #include <string.h>
 #include <sys/types.h>
+#include <sys/uio.h>
 
 #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
 #define BIT(n)  (1 << (n))
@@ -109,6 +110,11 @@  ssize_t util_getrandom(void *buf, size_t buflen, unsigned int flags);
 uint8_t util_get_uid(uint64_t *bitmap, uint8_t max);
 void util_clear_uid(uint64_t *bitmap, uint8_t id);
 
+struct iovec *util_iov_dup(const struct iovec *iov, size_t cnt);
+int util_iov_memcmp(const struct iovec *iov1, const struct iovec *iov2);
+void util_iov_memcpy(struct iovec *iov, void *src, size_t len);
+void util_iov_free(struct iovec *iov, size_t cnt);
+
 const char *bt_uuid16_to_str(uint16_t uuid);
 const char *bt_uuid32_to_str(uint32_t uuid);
 const char *bt_uuid128_to_str(const uint8_t uuid[16]);