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Diffstat (limited to 'cpukit/libfs/src/imfs/imfs_mknod.c')
-rw-r--r--cpukit/libfs/src/imfs/imfs_mknod.c76
1 files changed, 76 insertions, 0 deletions
diff --git a/cpukit/libfs/src/imfs/imfs_mknod.c b/cpukit/libfs/src/imfs/imfs_mknod.c
new file mode 100644
index 0000000000..1a0175af0a
--- /dev/null
+++ b/cpukit/libfs/src/imfs/imfs_mknod.c
@@ -0,0 +1,76 @@
+/*
+ * IMFS_mknod
+ *
+ * Routine to create a node in the IMFS file system.
+ *
+ * COPYRIGHT (c) 1989-2010.
+ * On-Line Applications Research Corporation (OAR).
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.com/license/LICENSE.
+ *
+ * $Id$
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <errno.h>
+#include <stdlib.h>
+
+#include "imfs.h"
+#include <rtems/libio_.h>
+#include <rtems/seterr.h>
+
+int IMFS_mknod(
+ const char *token, /* IN */
+ mode_t mode, /* IN */
+ dev_t dev, /* IN */
+ rtems_filesystem_location_info_t *pathloc /* IN/OUT */
+)
+{
+ IMFS_token_types type = 0;
+ IMFS_jnode_t *new_node;
+ int result;
+ char new_name[ IMFS_NAME_MAX + 1 ];
+ IMFS_types_union info;
+
+ IMFS_get_token( token, strlen( token ), new_name, &result );
+
+ /*
+ * Figure out what type of IMFS node this is.
+ */
+ if ( S_ISDIR(mode) )
+ type = IMFS_DIRECTORY;
+ else if ( S_ISREG(mode) )
+ type = IMFS_MEMORY_FILE;
+ else if ( S_ISBLK(mode) || S_ISCHR(mode) ) {
+ type = IMFS_DEVICE;
+ rtems_filesystem_split_dev_t( dev, info.device.major, info.device.minor );
+ } else if (S_ISFIFO(mode))
+ type = IMFS_FIFO;
+ else
+ IMFS_assert( 0 );
+
+ /*
+ * Allocate and fill in an IMFS jnode
+ *
+ * NOTE: Coverity Id 21 reports this as a leak.
+ * While technically not a leak, it indicated that IMFS_create_node
+ * was ONLY passed a NULL when we created the root node. We
+ * added a new IMFS_create_root_node() so this path no longer
+ * existed. The result was simpler code which should not have
+ * this path.
+ */
+ new_node = IMFS_create_node( pathloc, type, new_name, mode, &info );
+ if ( !new_node )
+ rtems_set_errno_and_return_minus_one( ENOMEM );
+
+ return 0;
+}