Add support for appendable multisession images.

2008-01-04 23:54:31 +01:00
parent 0fdfe05d7e
commit ee78419935
12 changed files with 254 additions and 49 deletions
--- a/demo/iso_ms.c
+++ b/demo/iso_ms.c
@ -0,0 +1,122 @@
+/*
+ * Little program to show how to create a multisession iso image.
+ */
+
+#include "libisofs.h"
+#include "libburn/libburn.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <err.h>
+
+void usage(char **argv)
+{
+    printf("%s LSS NWA DISC DIRECTORY OUTPUT\n", argv[0]);
+}
+
+int main(int argc, char **argv)
+{
+    int result;
+    IsoImage *image;
+    IsoDataSource *src;
+    struct burn_source *burn_src;
+    unsigned char buf[2048];
+    FILE *fd;
+    Ecma119WriteOpts opts = {
+        1, /* level */ 
+        1, /* rockridge */
+        0, /* omit_version_numbers */
+        0, /* allow_deep_paths */
+        1, /* sort files */
+        0, /* replace_dir_mode */
+        0, /* replace_file_mode */
+        0, /* replace_uid */
+        0, /* replace_gid */
+        0, /* dir_mode */
+        0, /* file_mode */
+        0, /* uid */
+        0, /* gid */
+        NULL, /* output charset */
+        0, /* appendable */
+        0, /* ms_block */
+        NULL /* overwrite */
+    };
+    struct iso_read_opts ropts = {
+        0, /* block */
+        0, /* norock */
+        0, /* nojoliet */
+        0, /* preferjoliet */
+        0, /* uid; */
+        0, /* gid; */
+        0, /* mode */
+        "UTF-8" /* input_charset */
+    };
+	
+    if (argc < 6) {
+        usage(argv);
+        return 1;
+    }
+
+    fd = fopen(argv[5], "w");
+    if (!fd) {
+        err(1, "error opening output file");
+    }
+    
+    /* create the data source to accesss previous image */
+    result = iso_data_source_new_from_file(argv[3], &src);
+    if (result < 0) {
+        printf ("Error creating data source\n");
+        return 1;
+    }
+    
+    /* create the image context */
+    result = iso_image_new("volume_id", &image);
+    if (result < 0) {
+        printf ("Error creating image\n");
+        return 1;
+    }
+    iso_image_set_msgs_severities(image, "NEVER", "ALL", "");
+    iso_tree_set_follow_symlinks(image, 0);
+    iso_tree_set_ignore_hidden(image, 0);
+    iso_tree_set_stop_on_error(image, 0);
+    
+    /* import previous image */
+    ropts.block = atoi(argv[1]);
+    result = iso_image_import(image, src, &ropts, NULL);
+    iso_data_source_unref(src);
+    if (result < 0) {
+        printf ("Error importing previous session %d\n", result);
+        return 1;
+    }
+    
+    /* add new dir */
+    result = iso_tree_add_dir_rec(image, iso_image_get_root(image), argv[4]);
+    if (result < 0) {
+        printf ("Error adding directory %d\n", result);
+        return 1;
+    }
+    
+    /* generate a multisession image with new contents */
+    opts.ms_block = atoi(argv[2]);
+    opts.appendable = 1;
+    result = iso_image_create(image, &opts, &burn_src);
+    if (result < 0) {
+        printf ("Cant create image, error %d\n", result);
+        return 1;
+    }
+    
+    while (burn_src->read(burn_src, buf, 2048) == 2048) {
+        fwrite(buf, 1, 2048, fd);
+    }
+    fclose(fd);
+    burn_src->free_data(burn_src);
+    free(burn_src);
+    
+    iso_image_unref(image);
+	return 0;
+}