Back to index

glibc  2.9
Functions
lookup-at.c File Reference
#include <hurd.h>
#include <hurd/lookup.h>
#include <hurd/fd.h>
#include <string.h>
#include <fcntl.h>

Go to the source code of this file.

Functions

file_t __file_name_lookup_at (int fd, int at_flags, const char *file_name, int flags, mode_t mode)
file_t __file_name_split_at (int fd, const char *file_name, char **name)
file_t __directory_name_split_at (int fd, const char *directory_name, char **name)

Function Documentation

file_t __directory_name_split_at ( int  fd,
const char *  directory_name,
char **  name 
)

Definition at line 88 of file lookup-at.c.

{
  error_t err;
  file_t result;

  if (fd == AT_FDCWD || directory_name[0] == '/')
    return __directory_name_split (directory_name, name);

  file_t startdir;
  error_t use_init_port (int which, error_t (*operate) (mach_port_t))
    {
      return (which == INIT_PORT_CWDIR ? (*operate) (startdir) :
             _hurd_ports_use (which, operate));
    }

  err = HURD_DPORT_USE (fd, (startdir = port,
                          __hurd_directory_name_split (&use_init_port,
                                                   &__getdport, 0,
                                                   directory_name,
                                                   &result, name)));

  return err ? (__hurd_dfail (fd, err), MACH_PORT_NULL) : result;
}

Here is the call graph for this function:

Here is the caller graph for this function:

file_t __file_name_lookup_at ( int  fd,
int  at_flags,
const char *  file_name,
int  flags,
mode_t  mode 
)

Definition at line 27 of file lookup-at.c.

{
  error_t err;
  file_t result;

  flags |= (at_flags & AT_SYMLINK_NOFOLLOW) ? O_NOLINK : 0;
  at_flags &= ~AT_SYMLINK_NOFOLLOW;
  if (at_flags != 0)
    return __hurd_fail (EINVAL);

  if (fd == AT_FDCWD || file_name[0] == '/')
    return __file_name_lookup (file_name, flags, mode);

  file_t startdir;
  error_t use_init_port (int which, error_t (*operate) (mach_port_t))
    {
      return (which == INIT_PORT_CWDIR ? (*operate) (startdir) :
             _hurd_ports_use (which, operate));
    }

  err = HURD_DPORT_USE (fd, (startdir = port,
                          __hurd_file_name_lookup (&use_init_port,
                                                &__getdport, NULL,
                                                file_name,
                                                flags,
                                                mode & ~_hurd_umask,
                                                &result)));

  return err ? (__hurd_dfail (fd, err), MACH_PORT_NULL) : result;
}

Here is the call graph for this function:

Here is the caller graph for this function:

file_t __file_name_split_at ( int  fd,
const char *  file_name,
char **  name 
)

Definition at line 60 of file lookup-at.c.

{
  error_t err;
  file_t result;

  if (fd == AT_FDCWD || file_name[0] == '/')
    return __file_name_split (file_name, name);

  err = __hurd_file_name_split (&_hurd_ports_use, &__getdport, 0,
                            file_name, &result, name);

  file_t startdir;
  error_t use_init_port (int which, error_t (*operate) (mach_port_t))
  {
    return (which == INIT_PORT_CWDIR ? (*operate) (startdir) :
           _hurd_ports_use (which, operate));
  }

  err = HURD_DPORT_USE (fd, (startdir = port,
                          __hurd_file_name_split (&use_init_port,
                                               &__getdport, 0,
                                               file_name,
                                               &result, name)));

  return err ? (__hurd_dfail (fd, err), MACH_PORT_NULL) : result;
}

Here is the call graph for this function:

Here is the caller graph for this function: