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Add support for adding a node with a given name.

release-1.5.4.branch
Vreixo Formoso 14 years ago
parent
commit
0c69463c5a
  1. 29
      libisofs/libisofs.h
  2. 53
      libisofs/tree.c

29
libisofs/libisofs.h

@ -2731,6 +2731,35 @@ void iso_tree_set_report_callback(IsoImage *image,
int iso_tree_add_node(IsoImage *image, IsoDir *parent, const char *path,
IsoNode **node);
/**
* Add a new node to the image tree, from an existing file, and with the
* given name, that must not exist on dir.
*
* @param image
* The image
* @param parent
* The directory in the image tree where the node will be added.
* @param name
* The name that the node will have on image.
* @param path
* The path of the file to add in the filesystem.
* @param node
* place where to store a pointer to the newly added file. No
* extra ref is addded, so you will need to call iso_node_ref() if you
* really need it. You can pass NULL in this parameter if you don't need
* the pointer.
* @return
* number of nodes in parent if success, < 0 otherwise
* Possible errors:
* ISO_NULL_POINTER, if image, parent or path are NULL
* ISO_NODE_NAME_NOT_UNIQUE, a node with same name already exists
* ISO_OUT_OF_MEM
*
* @since 0.6.4
*/
int iso_tree_add_new_node(IsoImage *image, IsoDir *parent, const char *name,
const char *path, IsoNode **node);
/**
* Add the contents of a dir to a given directory of the iso tree.
*

53
libisofs/tree.c

@ -475,6 +475,59 @@ int iso_tree_add_node(IsoImage *image, IsoDir *parent, const char *path,
return result;
}
int iso_tree_add_new_node(IsoImage *image, IsoDir *parent, const char *name,
const char *path, IsoNode **node)
{
int result;
IsoFilesystem *fs;
IsoFileSource *file;
IsoNode *new;
IsoNode **pos;
if (image == NULL || parent == NULL || name == NULL || path == NULL) {
return ISO_NULL_POINTER;
}
if (node) {
*node = NULL;
}
fs = image->fs;
result = fs->get_by_path(fs, path, &file);
if (result < 0) {
return result;
}
/* find place where to insert */
result = iso_dir_exists(parent, name, &pos);
if (result) {
/* a node with same name already exists */
iso_file_source_unref(file);
return ISO_NODE_NAME_NOT_UNIQUE;
}
result = image->builder->create_node(image->builder, image, file, &new);
if (result < 0) {
return result;
}
/* free the file */
iso_file_source_unref(file);
result = iso_node_set_name(new, name);
if (result < 0) {
iso_node_unref(new);
return result;
}
if (node) {
*node = new;
}
/* finally, add node to parent */
return iso_dir_insert(parent, new, pos, ISO_REPLACE_NEVER);
}
static
int check_excludes(IsoImage *image, const char *path)
{

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