1 /* 2 * dblist_dir.c --- iterate by directory entry 3 * 4 * Copyright 1997 by Theodore Ts'o 5 * 6 * %Begin-Header% 7 * This file may be redistributed under the terms of the GNU Library 8 * General Public License, version 2. 9 * %End-Header% 10 */ 11 12 #include <stdio.h> 13 #if HAVE_UNISTD_H 14 #include <unistd.h> 15 #endif 16 #include <string.h> 17 #include <time.h> 18 19 #include "ext2_fs.h" 20 #include "ext2fsP.h" 21 22 static int db_dir_proc(ext2_filsys fs, struct ext2_db_entry2 *db_info, 23 void *priv_data); 24 25 errcode_t ext2fs_dblist_dir_iterate(ext2_dblist dblist, 26 int flags, 27 char *block_buf, 28 int (*func)(ext2_ino_t dir, 29 int entry, 30 struct ext2_dir_entry *dirent, 31 int offset, 32 int blocksize, 33 char *buf, 34 void *priv_data), 35 void *priv_data) 36 { 37 errcode_t retval; 38 struct dir_context ctx; 39 40 EXT2_CHECK_MAGIC(dblist, EXT2_ET_MAGIC_DBLIST); 41 42 ctx.dir = 0; 43 ctx.flags = flags; 44 if (block_buf) 45 ctx.buf = block_buf; 46 else { 47 retval = ext2fs_get_mem(dblist->fs->blocksize, &ctx.buf); 48 if (retval) 49 return retval; 50 } 51 ctx.func = func; 52 ctx.priv_data = priv_data; 53 ctx.errcode = 0; 54 55 retval = ext2fs_dblist_iterate2(dblist, db_dir_proc, &ctx); 56 57 if (!block_buf) 58 ext2fs_free_mem(&ctx.buf); 59 if (retval) 60 return retval; 61 return ctx.errcode; 62 } 63 64 static int db_dir_proc(ext2_filsys fs, struct ext2_db_entry2 *db_info, 65 void *priv_data) 66 { 67 struct dir_context *ctx; 68 int ret; 69 70 ctx = (struct dir_context *) priv_data; 71 ctx->dir = db_info->ino; 72 ctx->errcode = 0; 73 74 ret = ext2fs_process_dir_block(fs, &db_info->blk, 75 db_info->blockcnt, 0, 0, priv_data); 76 if ((ret & BLOCK_ABORT) && !ctx->errcode) 77 return DBLIST_ABORT; 78 return 0; 79 } 80
