c++: `s/restrict/__restrict/`

`restrict` is not a keyword in C++, but `__restrict` is understood by
GCC-ish compilers.

core/include/ringbuffer.h

@@ -49,7 +49,7 @@ typedef struct ringbuffer {
  * @param[in]    buffer    Buffer to use by rb.
  * @param[in]    bufsize   `sizeof (buffer)`
  */
-static inline void ringbuffer_init(ringbuffer_t *restrict rb, char *buffer, unsigned bufsize)
+static inline void ringbuffer_init(ringbuffer_t *__restrict rb, char *buffer, unsigned bufsize)
 {
     rb->buf = buffer;
     rb->size = bufsize;
@@ -66,7 +66,7 @@ static inline void ringbuffer_init(ringbuffer_t *restrict rb, char *buffer, unsi
  * @returns         The element that was dropped, iff the buffer was full.
  *                  -1 iff the buffer was not full.
  */
-int ringbuffer_add_one(ringbuffer_t *restrict rb, char c);
+int ringbuffer_add_one(ringbuffer_t *__restrict rb, char c);
 
 /**
  * @brief           Add a number of elements to the ringbuffer.
@@ -78,14 +78,14 @@ int ringbuffer_add_one(ringbuffer_t *restrict rb, char c);
  * @param[in]       n     Maximum number of elements to add.
  * @returns         Number of elements actually added. 0 if rb is full.
  */
-unsigned ringbuffer_add(ringbuffer_t *restrict rb, const char *buf, unsigned n);
+unsigned ringbuffer_add(ringbuffer_t *__restrict rb, const char *buf, unsigned n);
 
 /**
  * @brief           Peek and remove oldest element from the ringbuffer.
  * @param[in,out]   rb   Ringbuffer to operate on.
  * @returns         The oldest element that was added, or `-1` if rb is empty.
  */
-int ringbuffer_get_one(ringbuffer_t *restrict rb);
+int ringbuffer_get_one(ringbuffer_t *__restrict rb);
 
 /**
  * @brief           Read and remove a number of elements from the ringbuffer.
@@ -94,7 +94,7 @@ int ringbuffer_get_one(ringbuffer_t *restrict rb);
  * @param[in]       n     Read at most n elements.
  * @returns         Number of elements actually read.
  */
-unsigned ringbuffer_get(ringbuffer_t *restrict rb, char *buf, unsigned n);
+unsigned ringbuffer_get(ringbuffer_t *__restrict rb, char *buf, unsigned n);
 
 /**
  * @brief           Remove a number of elements from the ringbuffer.
@@ -102,14 +102,14 @@ unsigned ringbuffer_get(ringbuffer_t *restrict rb, char *buf, unsigned n);
  * @param[in]       n     Read at most n elements.
  * @returns         Number of elements actually removed.
  */
-unsigned ringbuffer_remove(ringbuffer_t *restrict rb, unsigned n);
+unsigned ringbuffer_remove(ringbuffer_t *__restrict rb, unsigned n);
 
 /**
  * @brief           Test if the ringbuffer is empty.
  * @param[in,out]   rb    Ringbuffer to operate on.
  * @returns         0 iff not empty
  */
-static inline int ringbuffer_empty(const ringbuffer_t *restrict rb)
+static inline int ringbuffer_empty(const ringbuffer_t *__restrict rb)
 {
     return rb->avail == 0;
 }
@@ -119,7 +119,7 @@ static inline int ringbuffer_empty(const ringbuffer_t *restrict rb)
  * @param[in,out]   rb    Ringbuffer to operate on.
  * @returns         0 iff not full
  */
-static inline int ringbuffer_full(const ringbuffer_t *restrict rb)
+static inline int ringbuffer_full(const ringbuffer_t *__restrict rb)
 {
     return rb->avail == rb->size;
 }
@@ -129,7 +129,7 @@ static inline int ringbuffer_full(const ringbuffer_t *restrict rb)
  * @param[in,out]   rb Ringbuffer to query.
  * @returns         number of available bytes
  */
-static inline unsigned int ringbuffer_get_free(const ringbuffer_t *restrict rb)
+static inline unsigned int ringbuffer_get_free(const ringbuffer_t *__restrict rb)
 {
     return rb->size - rb->avail;
 }
@@ -139,7 +139,7 @@ static inline unsigned int ringbuffer_get_free(const ringbuffer_t *restrict rb)
  * @param[in]       rb    Ringbuffer to operate on.
  * @returns         Same as ringbuffer_get_one()
  */
-int ringbuffer_peek_one(const ringbuffer_t *restrict rb);
+int ringbuffer_peek_one(const ringbuffer_t *__restrict rb);
 
 /**
  * @brief           Read, but don't remove, the a number of element of the buffer.
@@ -148,7 +148,7 @@ int ringbuffer_peek_one(const ringbuffer_t *restrict rb);
  * @param[in]       n     Read at most n elements.
  * @returns         Same as ringbuffer_get()
  */
-unsigned ringbuffer_peek(const ringbuffer_t *restrict rb, char *buf, unsigned n);
+unsigned ringbuffer_peek(const ringbuffer_t *__restrict rb, char *buf, unsigned n);
 
 #ifdef __cplusplus
 }

sys/posix/pnet/include/sys/socket.h

@@ -206,8 +206,8 @@ struct __attribute__((packed)) sockaddr_storage {
  *          file descriptor of the accepted socket. Otherwise, -1 shall be
  *          returned and errno set to indicate the error.
  */
-int accept(int socket, struct sockaddr *restrict address,
-           socklen_t *restrict address_len);
+int accept(int socket, struct sockaddr *__restrict address,
+           socklen_t *__restrict address_len);
 
 /**
  * @brief   Bind a name to a socket.
@@ -279,7 +279,7 @@ int connect(int socket, const struct sockaddr *address, socklen_t address_len);
  *          -1 shall be returned and errno set to indicate the error.
  */
 int getsockopt(int socket, int level, int option_name,
-               void *restrict option_value, socklen_t *restrict option_len);
+               void *__restrict option_value, socklen_t *__restrict option_len);
 
 /**
  * @brief   Listen for socket connections and limit the queue of incoming
@@ -363,9 +363,9 @@ ssize_t recv(int socket, void *buffer, size_t length, int flags);
  *          return 0. Otherwise, the function shall return -1 and set errno to
  *          indicate the error.
  */
-ssize_t recvfrom(int socket, void *restrict buffer, size_t length, int flags,
-                 struct sockaddr *restrict address,
-                 socklen_t *restrict address_len);
+ssize_t recvfrom(int socket, void *__restrict buffer, size_t length, int flags,
+                 struct sockaddr *__restrict address,
+                 socklen_t *__restrict address_len);
 
 /**
  * @brief   Send a message on a socket.