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87 lines
1.8 KiB
C
87 lines
1.8 KiB
C
/**
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* @file
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*
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* @brief Create a Special or Ordinary File
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* @ingroup libcsupport
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*/
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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.org/license/LICENSE.
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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/stat.h>
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#include <rtems/libio_.h>
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int rtems_filesystem_mknod(
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const rtems_filesystem_location_info_t *parentloc,
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const char *name,
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size_t namelen,
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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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int rv = 0;
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mode &= ~rtems_filesystem_umask;
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switch (mode & S_IFMT) {
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case S_IFBLK:
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case S_IFCHR:
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case S_IFDIR:
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case S_IFIFO:
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case S_IFREG:
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break;
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default:
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errno = EINVAL;
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rv = -1;
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break;
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}
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if ( rv == 0 ) {
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const rtems_filesystem_operations_table *ops = parentloc->mt_entry->ops;
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rv = (*ops->mknod_h)( parentloc, name, namelen, mode, dev );
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}
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return rv;
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}
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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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int mknod( const char *path, mode_t mode, dev_t dev )
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{
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int rv = 0;
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rtems_filesystem_eval_path_context_t ctx;
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int eval_flags = RTEMS_FS_FOLLOW_LINK
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| RTEMS_FS_MAKE
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| RTEMS_FS_EXCLUSIVE
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| (S_ISDIR(mode) ? RTEMS_FS_ACCEPT_RESIDUAL_DELIMITERS : 0);
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const rtems_filesystem_location_info_t *currentloc =
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rtems_filesystem_eval_path_start( &ctx, path, eval_flags );
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rv = rtems_filesystem_mknod(
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currentloc,
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rtems_filesystem_eval_path_get_token( &ctx ),
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rtems_filesystem_eval_path_get_tokenlen( &ctx ),
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mode,
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dev
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);
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rtems_filesystem_eval_path_cleanup( &ctx );
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return rv;
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}
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