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https://opencores.org/ocsvn/openrisc_2011-10-31/openrisc_2011-10-31/trunk
Subversion Repositories openrisc_2011-10-31
[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [lib/] [libc/] [imfs_link.c] - Rev 493
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/* * IMFS_link * * The following rouine creates a new link node under parent with the * name given in name. The link node is set to point to the node at * to_loc. * * COPYRIGHT (c) 1989-1999. * 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.OARcorp.com/rtems/license.html. * * $Id: imfs_link.c,v 1.2 2001-09-27 12:01:15 chris Exp $ */ #include <errno.h> #include "imfs.h" #include "libio_.h" int IMFS_link( rtems_filesystem_location_info_t *to_loc, /* IN */ rtems_filesystem_location_info_t *parent_loc, /* IN */ const char *token /* IN */ ) { IMFS_types_union info; IMFS_jnode_t *new_node; char new_name[ IMFS_NAME_MAX + 1 ]; int i; /* * Verify this node can be linked to. */ info.hard_link.link_node = to_loc->node_access; if ( info.hard_link.link_node->st_nlink >= LINK_MAX ) set_errno_and_return_minus_one( EMLINK ); /* * Remove any separators at the end of the string. */ IMFS_get_token( token, new_name, &i ); /* * Create a new link node. */ new_node = IMFS_create_node( parent_loc, IMFS_HARD_LINK, new_name, ( S_IFLNK | ( S_IRWXU | S_IRWXG | S_IRWXO )), &info ); if ( !new_node ) set_errno_and_return_minus_one( ENOMEM ); /* * Increment the link count of the node being pointed to. */ info.hard_link.link_node->st_nlink++; IMFS_update_ctime( info.hard_link.link_node ); return 0; }
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