135 lines
3.6 KiB
C
135 lines
3.6 KiB
C
/*
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$Id: udf2.c,v 1.6 2008/03/24 15:30:56 karl Exp $
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Copyright (C) 2005, 2006,2008 Rocky Bernstein <rocky@gnu.org>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/* Simple program to show using libudf to extract a file.
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This program can be compiled with either a C or C++ compiler. In
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the distribution we prefer C++ just to make sure we haven't broken
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things on the C++ side.
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*/
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/* This is the UDF image. */
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#define UDF_IMAGE_PATH "../"
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#define UDF_IMAGE "/src2/cd-images/udf/test2.iso"
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#define UDF_FILENAME "/parse/cue.L"
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <sys/types.h>
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#include <cdio/cdio.h>
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#include <cdio/udf.h>
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#include <stdio.h>
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#ifdef HAVE_STDLIB_H
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#include <stdlib.h>
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#endif
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#ifdef HAVE_STRING_H
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#include <string.h>
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#endif
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#define CEILING(x, y) ((x+(y-1))/y)
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#define udf_PATH_DELIMITERS "/\\"
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static void
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print_file_info(const udf_dirent_t *p_udf_dirent, const char* psz_dirname)
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{
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time_t mod_time = udf_get_modification_time(p_udf_dirent);
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char psz_mode[11]="invalid";
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const char *psz_fname= psz_dirname
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? psz_dirname : udf_get_filename(p_udf_dirent);
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/* Print directory attributes*/
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printf("%s ", udf_mode_string(udf_get_posix_filemode(p_udf_dirent),
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psz_mode));
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printf("%4d ", udf_get_link_count(p_udf_dirent));
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printf("%ld ", (long unsigned int) udf_get_file_length(p_udf_dirent));
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printf("%s %s\n", *psz_fname ? psz_fname : "/", ctime(&mod_time));
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}
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int
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main(int argc, const char *argv[])
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{
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udf_t *p_udf;
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char const *psz_udf_image;
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char const *psz_udf_fname;
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if (argc > 1)
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psz_udf_image = argv[1];
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else
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psz_udf_image = UDF_IMAGE;
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if (argc > 2)
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psz_udf_fname = argv[2];
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else
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psz_udf_fname = UDF_FILENAME;
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p_udf = udf_open (psz_udf_image);
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if (NULL == p_udf) {
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fprintf(stderr, "Sorry, couldn't open %s as something using UDF\n",
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psz_udf_image);
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return 1;
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} else {
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udf_dirent_t *p_udf_root = udf_get_root(p_udf, true, 0);
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udf_dirent_t *p_udf_file = NULL;
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if (NULL == p_udf_root) {
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fprintf(stderr, "Sorry, couldn't find / in %s\n",
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psz_udf_image);
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return 1;
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}
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p_udf_file = udf_fopen(p_udf_root, psz_udf_fname);
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if (!p_udf_file) {
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fprintf(stderr, "Sorry, couldn't find %s in %s\n",
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psz_udf_fname, psz_udf_image);
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return 2;
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}
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print_file_info(p_udf_file, udf_get_filename(p_udf_file));
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{
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long unsigned int i_file_length = udf_get_file_length(p_udf_file);
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char *p_buf;
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unsigned int i_blocks = CEILING(i_file_length, UDF_BLOCKSIZE);
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char fmt_string[100] = {'\0'};
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snprintf(fmt_string, sizeof(fmt_string), "%%%lus", i_file_length);
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p_buf = (char *) calloc(sizeof(char), UDF_BLOCKSIZE*i_blocks);
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udf_read_block(p_udf_file, p_buf, i_blocks);
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printf(fmt_string, p_buf);
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free(p_buf);
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}
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udf_dirent_free(p_udf_file);
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udf_dirent_free(p_udf_root);
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}
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udf_close(p_udf);
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return 0;
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}
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