diff options
Diffstat (limited to 'cpukit/libfs/src/imfs/imfs_readlink.c')
-rw-r--r-- | cpukit/libfs/src/imfs/imfs_readlink.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/cpukit/libfs/src/imfs/imfs_readlink.c b/cpukit/libfs/src/imfs/imfs_readlink.c new file mode 100644 index 0000000000..6b3d1acafe --- /dev/null +++ b/cpukit/libfs/src/imfs/imfs_readlink.c @@ -0,0 +1,44 @@ +/* + * IMFS_readlink + * + * The following rouine puts the symblic links destination name into + * buff. + * + * 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.rtems.com/license/LICENSE. + * + * $Id$ + */ + +#if HAVE_CONFIG_H +#include "config.h" +#endif + +#include <errno.h> +#include "imfs.h" +#include <rtems/libio_.h> +#include <rtems/seterr.h> + +int IMFS_readlink( + rtems_filesystem_location_info_t *loc, + char *buf, /* OUT */ + size_t bufsize +) +{ + IMFS_jnode_t *node; + int i; + + node = loc->node_access; + + if ( node->type != IMFS_SYM_LINK ) + rtems_set_errno_and_return_minus_one( EINVAL ); + + for( i=0; ((i<bufsize) && (node->info.sym_link.name[i] != '\0')); i++ ) + buf[i] = node->info.sym_link.name[i]; + + return i; +} |