libburnia/libisofs
2
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

New API call iso_image_report_system_area()

Browse Source
This commit is contained in:
Thomas Schmitt
2014-04-11 15:39:45 +02:00
parent 1ac59bec46
commit dd27f579eb
18 changed files with 2184 additions and 108 deletions
Download Patch File Download Diff File Expand all files Collapse all files

49
libisofs/tree.c
View File

@ -1187,6 +1187,55 @@ ex:;
return path;
}
/* Note: No reference is taken to the found node.
@param flag bit0= recursion
*/
int iso_tree_get_node_of_block(IsoImage *image, IsoDir *dir, uint32_t block,
IsoNode **found, int flag)
{
int ret, section_count, i;
IsoDirIter *iter = NULL;
IsoNode *node;
IsoDir *subdir;
IsoFile *file;
struct iso_file_section *sections = NULL;
if (dir == NULL)
dir = image->root;
ret = iso_dir_get_children(dir, &iter);
while (iso_dir_iter_next(iter, &node) == 1 ) {
if (ISO_NODE_IS_FILE(node)) {
file = (IsoFile *) node;
ret = iso_file_get_old_image_sections(file, &section_count,
&sections, 0);
if (ret <= 0)
continue;
for (i = 0; i < section_count; i++) {
if (sections[i].block <= block &&
block - sections[i].block <
(((off_t) sections[i].size) + 2047) / 2048) {
*found = node;
ret = 1; goto ex;
}
}
free(sections); sections = NULL;
} else if (ISO_NODE_IS_DIR(node)) {
subdir = (IsoDir *) node;
ret = iso_tree_get_node_of_block(image, subdir, block, found, 1);
if (ret != 0)
goto ex;
}
}
ret = 0;
ex:
if (sections != NULL)
free(sections);
return ret;
}
/* ------------------------- tree cloning ------------------------------ */
static