diff options
Diffstat (limited to 'e2fsprogs/ext2fs/get_pathname.c')
-rw-r--r-- | e2fsprogs/ext2fs/get_pathname.c | 157 |
1 files changed, 0 insertions, 157 deletions
diff --git a/e2fsprogs/ext2fs/get_pathname.c b/e2fsprogs/ext2fs/get_pathname.c deleted file mode 100644 index a98b2b9..0000000 --- a/e2fsprogs/ext2fs/get_pathname.c +++ /dev/null @@ -1,157 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * get_pathname.c --- do directry/inode -> name translation - * - * Copyright (C) 1993, 1994, 1995 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - * - * ext2fs_get_pathname(fs, dir, ino, name) - * - * This function translates takes two inode numbers into a - * string, placing the result in <name>. <dir> is the containing - * directory inode, and <ino> is the inode number itself. If - * <ino> is zero, then ext2fs_get_pathname will return pathname - * of the the directory <dir>. - * - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -struct get_pathname_struct { - ext2_ino_t search_ino; - ext2_ino_t parent; - char *name; - errcode_t errcode; -}; - -#ifdef __TURBOC__ -# pragma argsused -#endif -static int get_pathname_proc(struct ext2_dir_entry *dirent, - int offset EXT2FS_ATTR((unused)), - int blocksize EXT2FS_ATTR((unused)), - char *buf EXT2FS_ATTR((unused)), - void *priv_data) -{ - struct get_pathname_struct *gp; - errcode_t retval; - - gp = (struct get_pathname_struct *) priv_data; - - if (((dirent->name_len & 0xFF) == 2) && - !strncmp(dirent->name, "..", 2)) - gp->parent = dirent->inode; - if (dirent->inode == gp->search_ino) { - retval = ext2fs_get_mem((dirent->name_len & 0xFF) + 1, - &gp->name); - if (retval) { - gp->errcode = retval; - return DIRENT_ABORT; - } - strncpy(gp->name, dirent->name, (dirent->name_len & 0xFF)); - gp->name[dirent->name_len & 0xFF] = '\0'; - return DIRENT_ABORT; - } - return 0; -} - -static errcode_t ext2fs_get_pathname_int(ext2_filsys fs, ext2_ino_t dir, - ext2_ino_t ino, int maxdepth, - char *buf, char **name) -{ - struct get_pathname_struct gp; - char *parent_name, *ret; - errcode_t retval; - - if (dir == ino) { - retval = ext2fs_get_mem(2, name); - if (retval) - return retval; - strcpy(*name, (dir == EXT2_ROOT_INO) ? "/" : "."); - return 0; - } - - if (!dir || (maxdepth < 0)) { - retval = ext2fs_get_mem(4, name); - if (retval) - return retval; - strcpy(*name, "..."); - return 0; - } - - gp.search_ino = ino; - gp.parent = 0; - gp.name = 0; - gp.errcode = 0; - - retval = ext2fs_dir_iterate(fs, dir, 0, buf, get_pathname_proc, &gp); - if (retval) - goto cleanup; - if (gp.errcode) { - retval = gp.errcode; - goto cleanup; - } - - retval = ext2fs_get_pathname_int(fs, gp.parent, dir, maxdepth-1, - buf, &parent_name); - if (retval) - goto cleanup; - if (!ino) { - *name = parent_name; - return 0; - } - - if (gp.name) - retval = ext2fs_get_mem(strlen(parent_name)+strlen(gp.name)+2, - &ret); - else - retval = ext2fs_get_mem(strlen(parent_name)+5, &ret); - if (retval) - goto cleanup; - - ret[0] = 0; - if (parent_name[1]) - strcat(ret, parent_name); - strcat(ret, "/"); - if (gp.name) - strcat(ret, gp.name); - else - strcat(ret, "???"); - *name = ret; - ext2fs_free_mem(&parent_name); - retval = 0; - -cleanup: - ext2fs_free_mem(&gp.name); - return retval; -} - -errcode_t ext2fs_get_pathname(ext2_filsys fs, ext2_ino_t dir, ext2_ino_t ino, - char **name) -{ - char *buf; - errcode_t retval; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - retval = ext2fs_get_mem(fs->blocksize, &buf); - if (retval) - return retval; - if (dir == ino) - ino = 0; - retval = ext2fs_get_pathname_int(fs, dir, ino, 32, buf, name); - ext2fs_free_mem(&buf); - return retval; - -} |