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glibc  2.9
euidaccess.c File Reference
#include <errno.h>
#include <stddef.h>
#include <unistd.h>
#include <fcntl.h>
#include <hurd.h>

Go to the source code of this file.


int __euidaccess (char *file, int type) const

Function Documentation

int __euidaccess ( char *  file,
int  type 
) const

Definition at line 27 of file euidaccess.c.

  error_t err;
  file_t port;
  int allowed, flags;

  port = __file_name_lookup (file, 0, 0);
  if (port == MACH_PORT_NULL)
    return -1;

  /* Find out what types of access we are allowed to this file.  */
  err = __file_check_access (port, &allowed);
  __mach_port_deallocate (__mach_task_self (), port);
  if (err)
    return __hurd_fail (err);

  flags = 0;
  if (type & R_OK)
    flags |= O_READ;
  if (type & W_OK)
    flags |= O_WRITE;
  if (type & X_OK)
    flags |= O_EXEC;

  if (flags & ~allowed)
    /* We are not allowed all the requested types of access.  */
    return __hurd_fail (EACCES);

  return 0;

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