ssize_t
write(int fd, void const *buffer, size_t bufferSize)
{
int status = _kern_write(fd, -1, buffer, bufferSize);
RETURN_AND_SET_ERRNO_TEST_CANCEL(status);
}
/*! \brief Writes a number of bytes from a buffer into the file.
\param buffer the buffer containing the data to be written to the file
\param size the number of bytes that shall be written
\return the number of bytes actually written or an error code
*/
ssize_t
BFile::Write(const void *buffer, size_t size)
{
if (InitCheck() != B_OK)
return InitCheck();
return _kern_write(get_fd(), -1, buffer, size);
}
ssize_t
pwrite(int fd, const void *buffer, size_t bufferSize, off_t pos)
{
if (pos < 0)
RETURN_AND_SET_ERRNO_TEST_CANCEL(B_BAD_VALUE);
RETURN_AND_SET_ERRNO_TEST_CANCEL(_kern_write(fd, pos, buffer, bufferSize));
}
/*! \brief Writes a number of bytes from a buffer at a certain position
into the file.
\param location the position (in bytes) within the file at which the data
shall be written
\param buffer the buffer containing the data to be written to the file
\param size the number of bytes that shall be written
\return the number of bytes actually written or an error code
*/
ssize_t
BFile::WriteAt(off_t location, const void *buffer, size_t size)
{
if (InitCheck() != B_OK)
return InitCheck();
if (location < 0)
return B_BAD_VALUE;
return _kern_write(get_fd(), location, buffer, size);
}
static int
fuse_write(const char* path, const char* buf, size_t size, off_t offset,
struct fuse_file_info* fi)
{
PRINTD("##write\n");
int fd = _kern_open(-1, path, FSSH_O_WRONLY,
(FSSH_S_IRWXU | FSSH_S_IRWXG | FSSH_S_IRWXO) & ~sUmask);
if (fd < FSSH_B_OK)
return _ERR(fd);
int res = _kern_write(fd, offset, buf, size);
_kern_close(fd);
if (res < FSSH_B_OK)
res = _ERR(res);
return res;
}
