These come from kernel include/linux/unalignment directory.
---
Makefile.am | 7 ++-
include/unaligned.h | 54 +++++++++++++++++++++++
include/unaligned_be_byteshift.h | 90 +++++++++++++++++++++++++++++++++++++++
include/unaligned_be_struct.h | 58 +++++++++++++++++++++++++
include/unaligned_generic.h | 90 +++++++++++++++++++++++++++++++++++++++
include/unaligned_le_byteshift.h | 90 +++++++++++++++++++++++++++++++++++++++
include/unaligned_le_struct.h | 58 +++++++++++++++++++++++++
include/unaligned_packed_struct.h | 66 ++++++++++++++++++++++++++++
8 files changed, 512 insertions(+), 1 deletion(-)
create mode 100644 include/unaligned.h
create mode 100644 include/unaligned_be_byteshift.h
create mode 100644 include/unaligned_be_struct.h
create mode 100644 include/unaligned_generic.h
create mode 100644 include/unaligned_le_byteshift.h
create mode 100644 include/unaligned_le_struct.h
create mode 100644 include/unaligned_packed_struct.h
diff --git a/Makefile.am b/Makefile.am
index 31a42e4..5afa6a2 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -8,7 +8,12 @@ include_HEADERS = include/types.h include/log.h
include/plugin.h \
include/resolver.h include/ipconfig.h \
include/device.h include/network.h include/inet.h \
include/storage.h include/provision.h \
- include/session.h
+ include/session.h include/unaligned.h \
+ include/unaligned_be_byteshift.h \
+ include/unaligned_be_struct.h \
+ include/unaligned_generic.h \
+ include/unaligned_le_struct.h \
+ include/unaligned_packed_struct.h
nodist_include_HEADERS = include/version.h
diff --git a/include/unaligned.h b/include/unaligned.h
new file mode 100644
index 0000000..ca8edc2
--- /dev/null
+++ b/include/unaligned.h
@@ -0,0 +1,54 @@
+/*
+ *
+ * Connection Manager
+ *
+ * The unaligned routines copied from linux kernel sources in
+ * include/linux/unaligned directory.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+#ifndef __CONNMAN_UNALIGNED_H
+#define __CONNMAN_UNALIGNED_H
+
+#include <stdint.h>
+
+typedef uint8_t u8;
+typedef uint16_t u16;
+typedef uint32_t u32;
+typedef uint64_t u64;
+
+/*
+ * This is the most generic implementation of unaligned accesses
+ * and should work almost anywhere.
+ */
+
+#if defined(__LITTLE_ENDIAN)
+# include <connman/unaligned_le_struct.h>
+# include <connman/unaligned_be_byteshift.h>
+# include <connman/unaligned_generic.h>
+# define get_unaligned __get_unaligned_le
+# define put_unaligned __put_unaligned_le
+#elif defined(__BIG_ENDIAN)
+# include <connman/unaligned_be_struct.h>
+# include <connman/unaligned_le_byteshift.h>
+# include <connman/unaligned_generic.h>
+# define get_unaligned __get_unaligned_be
+# define put_unaligned __put_unaligned_be
+#else
+# error need to define endianess
+#endif
+
+#endif /* __CONNMAN_UNALIGNED_H */
diff --git a/include/unaligned_be_byteshift.h b/include/unaligned_be_byteshift.h
new file mode 100644
index 0000000..db249f8
--- /dev/null
+++ b/include/unaligned_be_byteshift.h
@@ -0,0 +1,90 @@
+/*
+ *
+ * Connection Manager
+ *
+ * The unaligned routines copied from linux kernel sources in
+ * include/linux/unaligned directory.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+#ifndef __CONNMAN_UNALIGNED_BE_BYTESHIFT_H
+#define __CONNMAN_UNALIGNED_BE_BYTESHIFT_H
+
+static inline u16 __get_unaligned_be16(const u8 *p)
+{
+ return p[0] << 8 | p[1];
+}
+
+static inline u32 __get_unaligned_be32(const u8 *p)
+{
+ return p[0] << 24 | p[1] << 16 | p[2] << 8 | p[3];
+}
+
+static inline u64 __get_unaligned_be64(const u8 *p)
+{
+ return (u64)__get_unaligned_be32(p) << 32 |
+ __get_unaligned_be32(p + 4);
+}
+
+static inline void __put_unaligned_be16(u16 val, u8 *p)
+{
+ *p++ = val >> 8;
+ *p++ = val;
+}
+
+static inline void __put_unaligned_be32(u32 val, u8 *p)
+{
+ __put_unaligned_be16(val >> 16, p);
+ __put_unaligned_be16(val, p + 2);
+}
+
+static inline void __put_unaligned_be64(u64 val, u8 *p)
+{
+ __put_unaligned_be32(val >> 32, p);
+ __put_unaligned_be32(val, p + 4);
+}
+
+static inline u16 get_unaligned_be16(const void *p)
+{
+ return __get_unaligned_be16((const u8 *)p);
+}
+
+static inline u32 get_unaligned_be32(const void *p)
+{
+ return __get_unaligned_be32((const u8 *)p);
+}
+
+static inline u64 get_unaligned_be64(const void *p)
+{
+ return __get_unaligned_be64((const u8 *)p);
+}
+
+static inline void put_unaligned_be16(u16 val, void *p)
+{
+ __put_unaligned_be16(val, p);
+}
+
+static inline void put_unaligned_be32(u32 val, void *p)
+{
+ __put_unaligned_be32(val, p);
+}
+
+static inline void put_unaligned_be64(u64 val, void *p)
+{
+ __put_unaligned_be64(val, p);
+}
+
+#endif /* __CONNMAN_UNALIGNED_BE_BYTESHIFT_H */
diff --git a/include/unaligned_be_struct.h b/include/unaligned_be_struct.h
new file mode 100644
index 0000000..9f75e79
--- /dev/null
+++ b/include/unaligned_be_struct.h
@@ -0,0 +1,58 @@
+/*
+ *
+ * Connection Manager
+ *
+ * The unaligned routines copied from linux kernel sources in
+ * include/linux/unaligned directory.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+#ifndef __CONNMAN_UNALIGNED_BE_STRUCT_H
+#define __CONNMAN_UNALIGNED_BE_STRUCT_H
+
+#include <connman/unaligned_packed_struct.h>
+
+static inline u16 get_unaligned_be16(const void *p)
+{
+ return __get_unaligned_cpu16((const u8 *)p);
+}
+
+static inline u32 get_unaligned_be32(const void *p)
+{
+ return __get_unaligned_cpu32((const u8 *)p);
+}
+
+static inline u64 get_unaligned_be64(const void *p)
+{
+ return __get_unaligned_cpu64((const u8 *)p);
+}
+
+static inline void put_unaligned_be16(u16 val, void *p)
+{
+ __put_unaligned_cpu16(val, p);
+}
+
+static inline void put_unaligned_be32(u32 val, void *p)
+{
+ __put_unaligned_cpu32(val, p);
+}
+
+static inline void put_unaligned_be64(u64 val, void *p)
+{
+ __put_unaligned_cpu64(val, p);
+}
+
+#endif /* __CONNMAN_UNALIGNED_BE_STRUCT_H */
diff --git a/include/unaligned_generic.h b/include/unaligned_generic.h
new file mode 100644
index 0000000..828ad0d
--- /dev/null
+++ b/include/unaligned_generic.h
@@ -0,0 +1,90 @@
+/*
+ *
+ * Connection Manager
+ *
+ * The unaligned routines copied from linux kernel sources in
+ * include/linux/unaligned directory.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+#ifndef __CONNMAN_UNALIGNED_GENERIC_H
+#define __CONNMAN_UNALIGNED_GENERIC_H
+
+/*
+ * Cause a link-time error if we try an unaligned access other than
+ * 1,2,4 or 8 bytes long
+ */
+extern void __bad_unaligned_access_size(void);
+
+#define __get_unaligned_le(ptr) ((typeof(*(ptr)))({ \
+ __builtin_choose_expr(sizeof(*(ptr)) == 1, *(ptr), \
+ __builtin_choose_expr(sizeof(*(ptr)) == 2, get_unaligned_le16((ptr)),\
+ __builtin_choose_expr(sizeof(*(ptr)) == 4, get_unaligned_le32((ptr)),\
+ __builtin_choose_expr(sizeof(*(ptr)) == 8, get_unaligned_le64((ptr)),\
+ __bad_unaligned_access_size())))); \
+ }))
+
+#define __get_unaligned_be(ptr) ((typeof(*(ptr)))({ \
+ __builtin_choose_expr(sizeof(*(ptr)) == 1, *(ptr), \
+ __builtin_choose_expr(sizeof(*(ptr)) == 2, get_unaligned_be16((ptr)),\
+ __builtin_choose_expr(sizeof(*(ptr)) == 4, get_unaligned_be32((ptr)),\
+ __builtin_choose_expr(sizeof(*(ptr)) == 8, get_unaligned_be64((ptr)),\
+ __bad_unaligned_access_size())))); \
+ }))
+
+#define __put_unaligned_le(val, ptr) ({
\
+ void *__gu_p = (ptr); \
+ switch (sizeof(*(ptr))) { \
+ case 1: \
+ *(u8 *)__gu_p = (u8)(val); \
+ break; \
+ case 2: \
+ put_unaligned_le16((u16)(val), __gu_p); \
+ break; \
+ case 4: \
+ put_unaligned_le32((u32)(val), __gu_p); \
+ break; \
+ case 8: \
+ put_unaligned_le64((u64)(val), __gu_p); \
+ break; \
+ default: \
+ __bad_unaligned_access_size(); \
+ break; \
+ } \
+ (void)0; })
+
+#define __put_unaligned_be(val, ptr) ({
\
+ void *__gu_p = (ptr); \
+ switch (sizeof(*(ptr))) { \
+ case 1: \
+ *(u8 *)__gu_p = (u8)(val); \
+ break; \
+ case 2: \
+ put_unaligned_be16((u16)(val), __gu_p); \
+ break; \
+ case 4: \
+ put_unaligned_be32((u32)(val), __gu_p); \
+ break; \
+ case 8: \
+ put_unaligned_be64((u64)(val), __gu_p); \
+ break; \
+ default: \
+ __bad_unaligned_access_size(); \
+ break; \
+ } \
+ (void)0; })
+
+#endif /* __CONNMAN_UNALIGNED_GENERIC_H */
diff --git a/include/unaligned_le_byteshift.h b/include/unaligned_le_byteshift.h
new file mode 100644
index 0000000..82394a0
--- /dev/null
+++ b/include/unaligned_le_byteshift.h
@@ -0,0 +1,90 @@
+/*
+ *
+ * Connection Manager
+ *
+ * The unaligned routines copied from linux kernel sources in
+ * include/linux/unaligned directory.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+#ifndef __CONNMAN_UNALIGNED_LE_BYTESHIFT_H
+#define __CONNMAN_UNALIGNED_LE_BYTESHIFT_H
+
+static inline u16 __get_unaligned_le16(const u8 *p)
+{
+ return p[0] | p[1] << 8;
+}
+
+static inline u32 __get_unaligned_le32(const u8 *p)
+{
+ return p[0] | p[1] << 8 | p[2] << 16 | p[3] << 24;
+}
+
+static inline u64 __get_unaligned_le64(const u8 *p)
+{
+ return (u64)__get_unaligned_le32(p + 4) << 32 |
+ __get_unaligned_le32(p);
+}
+
+static inline void __put_unaligned_le16(u16 val, u8 *p)
+{
+ *p++ = val;
+ *p++ = val >> 8;
+}
+
+static inline void __put_unaligned_le32(u32 val, u8 *p)
+{
+ __put_unaligned_le16(val >> 16, p + 2);
+ __put_unaligned_le16(val, p);
+}
+
+static inline void __put_unaligned_le64(u64 val, u8 *p)
+{
+ __put_unaligned_le32(val >> 32, p + 4);
+ __put_unaligned_le32(val, p);
+}
+
+static inline u16 get_unaligned_le16(const void *p)
+{
+ return __get_unaligned_le16((const u8 *)p);
+}
+
+static inline u32 get_unaligned_le32(const void *p)
+{
+ return __get_unaligned_le32((const u8 *)p);
+}
+
+static inline u64 get_unaligned_le64(const void *p)
+{
+ return __get_unaligned_le64((const u8 *)p);
+}
+
+static inline void put_unaligned_le16(u16 val, void *p)
+{
+ __put_unaligned_le16(val, p);
+}
+
+static inline void put_unaligned_le32(u32 val, void *p)
+{
+ __put_unaligned_le32(val, p);
+}
+
+static inline void put_unaligned_le64(u64 val, void *p)
+{
+ __put_unaligned_le64(val, p);
+}
+
+#endif /* __CONNMAN_UNALIGNED_LE_BYTESHIFT_H */
diff --git a/include/unaligned_le_struct.h b/include/unaligned_le_struct.h
new file mode 100644
index 0000000..4849157
--- /dev/null
+++ b/include/unaligned_le_struct.h
@@ -0,0 +1,58 @@
+/*
+ *
+ * Connection Manager
+ *
+ * The unaligned routines copied from linux kernel sources in
+ * include/linux/unaligned directory.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+#ifndef __CONNMAN_UNALIGNED_LE_STRUCT_H
+#define __CONNMAN_UNALIGNED_LE_STRUCT_H
+
+#include <connman/unaligned_packed_struct.h>
+
+static inline u16 get_unaligned_le16(const void *p)
+{
+ return __get_unaligned_cpu16((const u8 *)p);
+}
+
+static inline u32 get_unaligned_le32(const void *p)
+{
+ return __get_unaligned_cpu32((const u8 *)p);
+}
+
+static inline u64 get_unaligned_le64(const void *p)
+{
+ return __get_unaligned_cpu64((const u8 *)p);
+}
+
+static inline void put_unaligned_le16(u16 val, void *p)
+{
+ __put_unaligned_cpu16(val, p);
+}
+
+static inline void put_unaligned_le32(u32 val, void *p)
+{
+ __put_unaligned_cpu32(val, p);
+}
+
+static inline void put_unaligned_le64(u64 val, void *p)
+{
+ __put_unaligned_cpu64(val, p);
+}
+
+#endif /* __CONNMAN_UNALIGNED_LE_STRUCT_H */
diff --git a/include/unaligned_packed_struct.h
b/include/unaligned_packed_struct.h
new file mode 100644
index 0000000..3ceed51
--- /dev/null
+++ b/include/unaligned_packed_struct.h
@@ -0,0 +1,66 @@
+/*
+ *
+ * Connection Manager
+ *
+ * The unaligned routines copied from linux kernel sources in
+ * include/linux/unaligned directory.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+#ifndef __CONNMAN_UNALIGNED_PACKED_STRUCT_H
+#define __CONNMAN_UNALIGNED_PACKED_STRUCT_H
+
+struct __una_u16 { u16 x; } __attribute__((packed));
+struct __una_u32 { u32 x; } __attribute__((packed));
+struct __una_u64 { u64 x; } __attribute__((packed));
+
+static inline u16 __get_unaligned_cpu16(const void *p)
+{
+ const struct __una_u16 *ptr = (const struct __una_u16 *)p;
+ return ptr->x;
+}
+
+static inline u32 __get_unaligned_cpu32(const void *p)
+{
+ const struct __una_u32 *ptr = (const struct __una_u32 *)p;
+ return ptr->x;
+}
+
+static inline u64 __get_unaligned_cpu64(const void *p)
+{
+ const struct __una_u64 *ptr = (const struct __una_u64 *)p;
+ return ptr->x;
+}
+
+static inline void __put_unaligned_cpu16(u16 val, void *p)
+{
+ struct __una_u16 *ptr = (struct __una_u16 *)p;
+ ptr->x = val;
+}
+
+static inline void __put_unaligned_cpu32(u32 val, void *p)
+{
+ struct __una_u32 *ptr = (struct __una_u32 *)p;
+ ptr->x = val;
+}
+
+static inline void __put_unaligned_cpu64(u64 val, void *p)
+{
+ struct __una_u64 *ptr = (struct __una_u64 *)p;
+ ptr->x = val;
+}
+
+#endif /* __CONNMAN_UNALIGNED_PACKED_STRUCT_H */
--
1.7.11.4
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