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New API call iso_node_set_hidden(), 

new IsoHideNodeFlag value LIBISO_HIDE_BUT_WRITE.
This commit is contained in:
Thomas Schmitt 2010-06-18 22:03:41 +02:00
parent fcde936670
commit 9be5b241e2
3 changed files with 166 additions and 63 deletions
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161
libisofs/ecma119_tree.c
View File

@ -150,15 +150,11 @@ int create_dir(Ecma119Image *img, IsoDir *iso, Ecma119Node **node)
return ISO_SUCCESS;
}
/**
* Create a new ECMA-119 node representing a regular file from a iso file
* node.
*/
static
int create_file(Ecma119Image *img, IsoFile *iso, Ecma119Node **node)
int create_file_src(Ecma119Image *img, IsoFile *iso, IsoFileSrc **src)
{
int ret;
IsoFileSrc *src;
off_t size;
size = iso_stream_get_size(iso->stream);
@ -170,8 +166,25 @@ int create_file(Ecma119Image *img, IsoFile *iso, Ecma119Node **node)
free(ipath);
return ret;
}
ret = iso_file_src_create(img, iso, src);
if (ret < 0) {
return ret;
}
return 0;
}
ret = iso_file_src_create(img, iso, &src);
/**
* Create a new ECMA-119 node representing a regular file from a iso file
* node.
*/
static
int create_file(Ecma119Image *img, IsoFile *iso, Ecma119Node **node)
{
int ret;
IsoFileSrc *src;
ret = create_file_src(img, iso, &src);
if (ret < 0) {
return ret;
}
@ -271,58 +284,76 @@ void ecma119_node_free(Ecma119Node *node)
}
/**
*
* @param flag
* bit0= iso is in a hidden directory. Thus hide it.
* @return
* 1 success, 0 node ignored, < 0 error
*
*/
static
int create_tree(Ecma119Image *image, IsoNode *iso, Ecma119Node **tree,
int depth, int pathlen)
int depth, int pathlen, int flag)
{
int ret;
Ecma119Node *node;
int ret, hidden;
Ecma119Node *node = NULL;
int max_path;
char *iso_name= NULL;
char *iso_name= NULL, *ipath = NULL;
IsoFileSrc *src = NULL;
if (image == NULL || iso == NULL || tree == NULL) {
return ISO_NULL_POINTER;
}
*tree = NULL;
hidden = flag & 1;
if (iso->hidden & LIBISO_HIDE_ON_RR) {
/* file will be ignored */
return 0;
hidden = 1;
if (!((iso->hidden & LIBISO_HIDE_BUT_WRITE) ||
iso->type == LIBISO_BOOT)) {
return 0; /* file will be ignored */
}
}
ret = get_iso_name(image, iso, &iso_name);
if (ret < 0) {
return ret;
}
max_path = pathlen + 1 + (iso_name ? strlen(iso_name) : 0);
if (!image->rockridge) {
if ((iso->type == LIBISO_DIR && depth > 8) && !image->allow_deep_paths) {
char *ipath = iso_tree_get_node_path(iso);
return iso_msg_submit(image->image->id, ISO_FILE_IMGPATH_WRONG, 0,
"File \"%s\" can't be added, because directory depth "
"is greater than 8.", ipath);
free(iso_name);
free(ipath);
return ret;
} else if (max_path > 255 && !image->allow_longer_paths) {
char *ipath = iso_tree_get_node_path(iso);
ret = iso_msg_submit(image->image->id, ISO_FILE_IMGPATH_WRONG, 0,
"File \"%s\" can't be added, because path length "
"is greater than 255 characters", ipath);
free(iso_name);
free(ipath);
return ret;
if (!hidden) {
ret = get_iso_name(image, iso, &iso_name);
if (ret < 0) {
iso_name = NULL; /* invalid, do not free */
goto ex;
}
max_path = pathlen + 1 + (iso_name ? strlen(iso_name) : 0);
if (!image->rockridge) {
if ((iso->type == LIBISO_DIR && depth > 8) &&
!image->allow_deep_paths) {
ipath = iso_tree_get_node_path(iso);
ret = iso_msg_submit(image->image->id, ISO_FILE_IMGPATH_WRONG,
0, "File \"%s\" can't be added, "
"because directory depth "
"is greater than 8.", ipath);
goto ex;
} else if (max_path > 255 && !image->allow_longer_paths) {
ipath = iso_tree_get_node_path(iso);
ret = iso_msg_submit(image->image->id, ISO_FILE_IMGPATH_WRONG,
0, "File \"%s\" can't be added, "
"because path length "
"is greater than 255 characters", ipath);
goto ex;
}
}
}
switch (iso->type) {
case LIBISO_FILE:
ret = create_file(image, (IsoFile*)iso, &node);
if (hidden) {
ret = create_file_src(image, (IsoFile *) iso, &src);
} else {
ret = create_file(image, (IsoFile*)iso, &node);
}
break;
case LIBISO_SYMLINK:
if (hidden) {
ret = 0; /* Hidden means non-existing */
goto ex;
}
if (image->rockridge) {
ret = create_symlink(image, (IsoSymlink*)iso, &node);
} else {
@ -335,6 +366,10 @@ int create_tree(Ecma119Image *image, IsoNode *iso, Ecma119Node **tree,
}
break;
case LIBISO_SPECIAL:
if (hidden) {
ret = 0; /* Hidden means non-existing */
goto ex;
}
if (image->rockridge) {
ret = create_special(image, (IsoSpecial*)iso, &node);
} else {
@ -348,7 +383,11 @@ int create_tree(Ecma119Image *image, IsoNode *iso, Ecma119Node **tree,
break;
case LIBISO_BOOT:
if (image->eltorito) {
ret = create_boot_cat(image, (IsoBoot*)iso, &node);
if (hidden) {
ret = el_torito_catalog_file_src_create(image, &src);
} else {
ret = create_boot_cat(image, (IsoBoot*)iso, &node);
}
} else {
/* log and ignore */
ret = iso_msg_submit(image->image->id, ISO_FILE_IGNORED, 0,
@ -359,21 +398,26 @@ int create_tree(Ecma119Image *image, IsoNode *iso, Ecma119Node **tree,
{
IsoNode *pos;
IsoDir *dir = (IsoDir*)iso;
ret = create_dir(image, dir, &node);
if (ret < 0) {
return ret;
if (!hidden) {
ret = create_dir(image, dir, &node);
if (ret < 0) {
goto ex;
}
}
pos = dir->children;
while (pos) {
int cret;
Ecma119Node *child;
cret = create_tree(image, pos, &child, depth + 1, max_path);
cret = create_tree(image, pos, &child, depth + 1, max_path,
!!hidden);
if (cret < 0) {
/* error */
ecma119_node_free(node);
if (!hidden)
ecma119_node_free(node);
ret = cret;
break;
} else if (cret == ISO_SUCCESS) {
} else if (cret == ISO_SUCCESS && !hidden) {
/* add child to this node */
int nchildren = node->info.dir->nchildren++;
node->info.dir->children[nchildren] = child;
@ -385,15 +429,30 @@ int create_tree(Ecma119Image *image, IsoNode *iso, Ecma119Node **tree,
break;
default:
/* should never happen */
return ISO_ASSERT_FAILURE;
ret = ISO_ASSERT_FAILURE;
goto ex;
}
if (ret <= 0) {
free(iso_name);
return ret;
goto ex;
}
node->iso_name = iso_name;
*tree = node;
return ISO_SUCCESS;
if (!hidden) {
node->iso_name = iso_name;
iso_name = NULL; /* now owned by node, do not free */
*tree = node;
node = NULL; /* now owned by caller, do not free */
}
ret = ISO_SUCCESS;
ex:
if (iso_name != NULL)
free(iso_name);
if (ipath != NULL)
free(ipath);
if (node != NULL)
ecma119_node_free(node);
if (hidden && ret == ISO_SUCCESS)
ret = 0;
/* The sources of hidden files are now owned by the rb-tree */
return ret;
}
/**
@ -985,7 +1044,7 @@ int ecma119_tree_create(Ecma119Image *img)
int ret;
Ecma119Node *root;
ret = create_tree(img, (IsoNode*)img->image->root, &root, 1, 0);
ret = create_tree(img, (IsoNode*)img->image->root, &root, 1, 0, 0);
if (ret <= 0) {
if (ret == 0) {
/* unexpected error, root ignored!! This can't happen */

12
libisofs/eltorito.c
View File

@ -674,6 +674,18 @@ int iso_image_set_boot_catalog_weight(IsoImage *image, int sort_weight)
return 1;
}
/* API */
int iso_image_set_boot_catalog_hidden(IsoImage *image, int hide_attrs)
{
if (image->bootcat == NULL)
return 0;
if (image->bootcat->node == NULL)
return 0;
iso_node_set_hidden((IsoNode *) image->bootcat->node, hide_attrs);
return 1;
}
void el_torito_boot_catalog_free(struct el_torito_boot_catalog *cat)
{
struct el_torito_boot_image *image;

56
libisofs/libisofs.h
View File

@ -168,7 +168,17 @@ enum IsoHideNodeFlag {
/** Hide the node in the Joliet tree, if Joliet extension are enabled */
LIBISO_HIDE_ON_JOLIET = 1 << 1,
/** Hide the node in the ISO-9660:1999 tree, if that format is enabled */
LIBISO_HIDE_ON_1999 = 1 << 2
LIBISO_HIDE_ON_1999 = 1 << 2,
/** With IsoNode and IsoBoot: Write data content even if the node is
* not visible in any tree.
* With directory nodes : Write data content of IsoNode and IsoBoot
* in the directory's tree unless they are
* explicitely marked LIBISO_HIDE_ON_RR
* without LIBISO_HIDE_BUT_WRITE.
* @since 0.6.34
*/
LIBISO_HIDE_BUT_WRITE = 1 << 3
};
/**
@ -2449,6 +2459,26 @@ void iso_image_remove_boot_image(IsoImage *image);
*/
int iso_image_set_boot_catalog_weight(IsoImage *image, int sort_weight);
/**
* Hides the boot catalog file from directory trees.
*
* For the meaning of hiding files see iso_node_set_hidden().
*
*
* @param image
* The image to manipulate.
* @param hide_attrs
* Or-combination of values from enum IsoHideNodeFlag to set the trees
* in which the record.
* @return
* 0= no boot catalog attached , 1= ok , <0 = error
*
* @since 0.6.32
*/
int iso_image_set_boot_catalog_hidden(IsoImage *image, int hide_attrs);
/**
* Get the boot media type as of parameter "type" of iso_image_set_boot_image()
* resp. iso_image_add_boot_image().
@ -2958,21 +2988,22 @@ void iso_node_set_ctime(IsoNode *node, time_t time);
time_t iso_node_get_ctime(const IsoNode *node);
/**
* Set if the node will be hidden in RR/ISO tree, Joliet tree or both.
* Set whether the node will be hidden in the directory trees of RR/ISO 9660,
* or of Joliet (if enabled at all), or of ISO-9660:1999 (if enabled at all).
*
* If the file is set as hidden in one tree, it wil not be included there, so
* it won't be visible in a OS accessing CD using that tree. For example,
* GNU/Linux systems access to Rock Ridge / ISO9960 tree in order to see
* what is recorded on CD, while MS Windows make use of the Joliet tree. If a
* file is hidden only in Joliet, it wil not be visible in Windows systems,
* while still visible in GNU/Linux.
* A hidden file does not show up by name in the affected directory tree.
* For example, if a file is hidden only in Joliet, it will normally
* not be visible on Windows systems, while being shown on GNU/Linux.
*
* If a file is hidden in both trees, it will not be written to image.
* If a file is not shown in any of the enabled trees, then its content will
* not be written to the image, unless LIBISO_HIDE_BUT_WRITE is given (which
* is available only since release 0.6.34).
*
* @param node
* The node that is to be hidden.
* @param hide_attrs
* IsoHideNodeFlag's to set the trees in which file will be hidden.
* Or-combination of values from enum IsoHideNodeFlag to set the trees
* in which the node's name shall be hidden.
*
* @since 0.6.2
*/
@ -3675,8 +3706,9 @@ void iso_tree_set_follow_symlinks(IsoImage *image, int follow);
int iso_tree_get_follow_symlinks(IsoImage *image);
/**
* Set whether to skip or not hidden files when adding a directory recursibely.
* Default behavior is to not ignore them, i.e., to add hidden files to image.
* Set whether to skip or not disk files with names beginning by '.'
* when adding a directory recursively.
* Default behavior is to not ignore them.
*
* @since 0.6.2
*/