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-rw-r--r--include/apos/unaligned.h255
1 files changed, 0 insertions, 255 deletions
diff --git a/include/apos/unaligned.h b/include/apos/unaligned.h
deleted file mode 100644
index 316a5d4..0000000
--- a/include/apos/unaligned.h
+++ /dev/null
@@ -1,255 +0,0 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later */
-/* Copyright 2021 - 2022, Kim Kuparinen < kimi.h.kuparinen@gmail.com > */
-
-#ifndef APOS_UNALIGNED_H
-#define APOS_UNALIGNED_H
-
-/**
- * @file unaligned.h
- * Helpers for unaligned memory accesses. Largely lifted from Linux.
- */
-
-#include <apos/types.h>
-#include <apos/attrs.h>
-
-/**
- * Get unaligned value. Type of value is deduced from pointer type.
- *
- * @param ptr Pointer to possibly unaligned value to read.
- * @return Value pointed to by \c ptr.
- */
-#define get_unaligned(ptr) \
- _Generic(*(ptr), \
- uint8_t: get_unaligned_uint8_t, \
- uint16_t: get_unaligned_uint16_t, \
- uint32_t: get_unaligned_uint32_t, \
- uint64_t: get_unaligned_uint64_t, \
- \
- int8_t: get_unaligned_int8_t, \
- int16_t: get_unaligned_int16_t, \
- int32_t: get_unaligned_int32_t, \
- int64_t: get_unaligned_int64_t)((void *)ptr)
-
-/**
- * Put unaligned value. Type of value is deduced from pointer type.
- *
- * @param val Value to write to memory.
- * @param ptr Pointer to possibly unaligned address.
- */
-#define put_unaligned(val, ptr) \
- _Generic(*(ptr), \
- uint8_t: put_unaligned_uint8_t, \
- uint16_t: put_unaligned_uint16_t, \
- uint32_t: put_unaligned_uint32_t, \
- uint64_t: put_unaligned_uint64_t, \
- \
- int8_t: put_unaligned_int8_t, \
- int16_t: put_unaligned_int16_t, \
- int32_t: put_unaligned_int32_t, \
- int64_t: put_unaligned_int64_t)(val, (void *)ptr)
-
-/**
- * Helper macro for defining an unaligned value reader.
- *
- * @param type Type of value reader to define.
- */
-#define DEFINE_GET(type) \
- static inline type get_unaligned_##type(void *ptr) \
- { \
- const struct __packed { \
- type x; \
- } *__pptr = ptr; \
- return __pptr->x; \
- }
-
-/**
- * Read possibly unaligned \ref uint8_t.
- *
- * Technically speaking a byte can't be unaligned, but this is just here for
- * cohesion.
- *
- * @warning Prefer using \ref get_unaligned().
- *
- * @param ptr Pointer to \ref uint8_t to read.
- * @return Value pointed to by \c ptr.
- */
-DEFINE_GET(uint8_t);
-
-/**
- * Read possibly unaligned \ref uint16_t.
- *
- * @warning Prefer using \ref get_unaligned().
- *
- * @param ptr Pointer to \ref uint16_t to read.
- * @return Value pointed to by \c ptr.
- */
-DEFINE_GET(uint16_t);
-
-/**
- * Read possibly unaligned \ref uint32_t.
- *
- * @warning Prefer using \ref get_unaligned().
- *
- * @param ptr Pointer to \ref uint32_t to read.
- * @return Value pointed to by \c ptr.
- */
-DEFINE_GET(uint32_t);
-
-/**
- * Read possibly unaligned \ref uint64_t.
- *
- * @warning Prefer using \ref get_unaligned().
- *
- * @param ptr Pointer to \ref uint64_t to read.
- * @return Value pointed to by \c ptr.
- */
-DEFINE_GET(uint64_t);
-
-/**
- * Read possibly unaligned \ref int8_t.
- *
- * Technically speaking a byte can't be unaligned, but this is just here for
- * cohesion.
- *
- * @warning Prefer using \ref get_unaligned().
- *
- * @param ptr Pointer to \ref int8_t to read.
- * @return Value pointed to by \c ptr.
- */
-DEFINE_GET(int8_t);
-
-/**
- * Read possibly unaligned \ref int16_t.
- *
- * @warning Prefer using \ref get_unaligned().
- *
- * @param ptr Pointer to \ref int16_t to read.
- * @return Value pointed to by \c ptr.
- */
-DEFINE_GET(int16_t);
-
-/**
- * Read possibly unaligned \ref int32_t.
- *
- * @warning Prefer using \ref get_unaligned().
- *
- * @param ptr Pointer to \ref int32_t to read.
- * @return Value pointed to by \c ptr.
- */
-DEFINE_GET(int32_t);
-
-/**
- * Read possibly unaligned \ref int64_t.
- *
- * @warning Prefer using \ref get_unaligned().
- *
- * @param ptr Pointer to \ref int64_t to read.
- * @return Value pointed to by \c ptr.
- */
-DEFINE_GET(int64_t);
-
-#undef DEFINE_GET
-
-/**
- * Helper macro for defining an unaligned writer.
- *
- * @param type Type of value to write.
- */
-#define DEFINE_PUT(type) \
- static inline void put_unaligned_##type(type val, void *ptr) \
- { \
- struct __packed { \
- type x; \
- } *__pptr = ptr; \
- __pptr->x = val; \
- }
-
-/**
- * Write possibly unaligned \ref uint8_t.
- *
- * Technically speaking a byte can't be unaligned, but this is just here for
- * cohesion.
- *
- * @warning Prefer using \ref put_unaligned().
- *
- * @param val Value to write.
- * @param ptr Address to write to.
- */
-DEFINE_PUT(uint8_t);
-
-/**
- * Write possibly unaligned \ref uint16_t.
- *
- * @warning Prefer using \ref put_unaligned().
- *
- * @param val Value to write.
- * @param ptr Address to write to.
- */
-DEFINE_PUT(uint16_t);
-
-/**
- * Write possibly unaligned \ref uint32_t.
- *
- * @warning Prefer using \ref put_unaligned().
- *
- * @param val Value to write.
- * @param ptr Address to write to.
- */
-DEFINE_PUT(uint32_t);
-
-/**
- * Write possibly unaligned \ref uint64_t.
- *
- * @warning Prefer using \ref put_unaligned().
- *
- * @param val Value to write.
- * @param ptr Address to write to.
- */
-DEFINE_PUT(uint64_t);
-
-/**
- * Write possibly unaligned \ref int8_t.
- *
- * Technically speaking a byte can't be unaligned, but this is just here for
- * cohesion.
- *
- * @warning Prefer using \ref put_unaligned().
- *
- * @param val Value to write.
- * @param ptr Address to write to.
- */
-DEFINE_PUT(int8_t);
-
-/**
- * Write possibly unaligned \ref int16_t.
- *
- * @warning Prefer using \ref put_unaligned().
- *
- * @param val Value to write.
- * @param ptr Address to write to.
- */
-DEFINE_PUT(int16_t);
-
-/**
- * Write possibly unaligned \ref int32_t.
- *
- * @warning Prefer using \ref put_unaligned().
- *
- * @param val Value to write.
- * @param ptr Address to write to.
- */
-DEFINE_PUT(int32_t);
-
-/**
- * Write possibly unaligned \ref int64_t.
- *
- * @warning Prefer using \ref put_unaligned().
- *
- * @param val Value to write.
- * @param ptr Address to write to.
- */
-DEFINE_PUT(int64_t);
-
-#undef DEFINE_PUT
-
-#endif /* APOS_UNALIGNED_H */
generated by cgit v1.3 (git 2.53.0) at 2026-08-27 17:00:49 +0000