diff options
Diffstat (limited to 'cpukit/libfs/src/dosfs/msdos_create.c')
| -rw-r--r-- | cpukit/libfs/src/dosfs/msdos_create.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/cpukit/libfs/src/dosfs/msdos_create.c b/cpukit/libfs/src/dosfs/msdos_create.c index ec5862a178..263df36353 100644 --- a/cpukit/libfs/src/dosfs/msdos_create.c +++ b/cpukit/libfs/src/dosfs/msdos_create.c @@ -55,12 +55,12 @@ * */ int -msdos_creat_node(rtems_filesystem_location_info_t *parent_loc, - msdos_node_type_t type, - const char *name, - int name_len, - mode_t mode, - const fat_file_fd_t *link_fd) +msdos_creat_node(const rtems_filesystem_location_info_t *parent_loc, + msdos_node_type_t type, + const char *name, + int name_len, + mode_t mode, + const fat_file_fd_t *link_fd) { int rc = RC_OK; ssize_t ret = 0; @@ -83,9 +83,16 @@ msdos_creat_node(rtems_filesystem_location_info_t *parent_loc, memset(short_node, 0, MSDOS_DIRECTORY_ENTRY_STRUCT_SIZE); memset(dot_dotdot, 0, MSDOS_DIRECTORY_ENTRY_STRUCT_SIZE * 2); + if (name_len > MSDOS_NAME_MAX_LFN_WITH_DOT) { + rtems_set_errno_and_return_minus_one(ENAMETOOLONG); + } + name_type = msdos_long_to_short (name, name_len, MSDOS_DIR_NAME(short_node), MSDOS_NAME_MAX); + if (name_type == MSDOS_NAME_INVALID) { + rtems_set_errno_and_return_minus_one(EINVAL); + } /* fill reserved field */ *MSDOS_DIR_NT_RES(short_node) = MSDOS_RES_NT_VALUE; |