Michael 'Mickey' Lauer wrote:
> I found the need for open(2) and friends. Please add to posix.vapi:
>
> [CCode (cheader_filename = "fcntl.h")]
> public const int O_ACCMODE;
> [CCode (cheader_filename = "fcntl.h")]
> public const int O_RDONLY;
>
...
> [CCode (cheader_filename = "unistd.h")]
> public int open(string pathname, int flags);
>
> [CCode (cheader_filename = "unistd.h")]
> public ssize_t read(int fd, void* buf, size_t count);
>
> [CCode (cheader_filename = "unistd.h")]
> public ssize_t write(int fd, void* buf, size_t count);
>
> [CCode (cheader_filename = "unistd.h")]
> public int close(int fd);
Hi,
I'd suggest binding it this way:
---------------------------------------------------------------------
[Flags]
[CCode (cheader_filename = "fcntl.h", cprefix = "O_", cname = "int")]
public enum OpenFlags {
ACCMODE,
RDONLY,
WRONLY,
RDWR,
CREAT,
EXCL,
NOCTTY,
TRUNC,
APPEND,
NONBLOCK,
NDELAY,
SYNC,
FSYNC,
ASYNC
}
[SimpleType]
[CCode (cheader_filename = "unistd.h", cname = "int",
free_function = "close", cprefix = "")]
struct FileDescriptor {
[CCode (cname = "open")]
public FileDescriptor (string pathname, OpenFlags flags);
public ssize_t read (void* buf, size_t count);
public ssize_t write (void* buf, size_t count);
}
---------------------------------------------------------------------
Then the code will look more object oriented:
using Posix;
static int main () {
var file = FileDescriptor ("data.text", OpenFlags.RDONLY);
file.read (/*...*/);
file.write (/*...*/);
// file closed automatically
return 0;
}
Regards,
Frederik
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