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74 lines
1.7 KiB
C
74 lines
1.7 KiB
C
/*
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* mknod()
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*
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* This routine is not defined in the POSIX 1003.1b standard but is
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* commonly supported on most UNIX and POSIX systems. It is the
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* foundation for creating file system objects.
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*
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* COPYRIGHT (c) 1989-1999.
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* On-Line Applications Research Corporation (OAR).
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.com/license/LICENSE.
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*
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* $Id$
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*/
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#if HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <rtems/libio_.h>
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#include <rtems/seterr.h>
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int mknod(
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const char *pathname,
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mode_t mode,
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dev_t dev
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)
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{
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rtems_filesystem_location_info_t temp_loc;
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int i;
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const char *name_start;
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int result;
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if ( !(mode & (S_IFREG|S_IFCHR|S_IFBLK|S_IFIFO) ) )
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rtems_set_errno_and_return_minus_one( EINVAL );
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if ( S_ISFIFO(mode) )
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rtems_set_errno_and_return_minus_one( ENOTSUP );
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rtems_filesystem_get_start_loc( pathname, &i, &temp_loc );
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if ( !temp_loc.ops->evalformake_h ) {
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rtems_set_errno_and_return_minus_one( ENOTSUP );
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}
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result = (*temp_loc.ops->evalformake_h)(
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&pathname[i],
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&temp_loc,
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&name_start
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);
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if ( result != 0 )
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return -1;
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if ( !temp_loc.ops->mknod_h ) {
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rtems_filesystem_freenode( &temp_loc );
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rtems_set_errno_and_return_minus_one( ENOTSUP );
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}
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result = (*temp_loc.ops->mknod_h)( name_start, mode, dev, &temp_loc );
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rtems_filesystem_freenode( &temp_loc );
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return result;
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}
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