libburnia/libisofs
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Encapsulate insertion of nodes in node.c. Define replace behavior.

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This commit is contained in:
Vreixo Formoso
2008-01-12 18:03:59 +01:00
parent bff5cb9333
commit f118b0a48d
4 changed files with 151 additions and 108 deletions
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88
src/tree.c
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@ -62,12 +62,8 @@ int iso_tree_add_new_dir(IsoDir *parent, const char *name, IsoDir **dir)
return ISO_WRONG_ARG_VALUE;
}
/* find place where to insert */
pos = &(parent->children);
while (*pos != NULL && strcmp((*pos)->name, name) < 0) {
pos = &((*pos)->next);
}
if (*pos != NULL && !strcmp((*pos)->name, name)) {
/* find place where to insert and check if it exists */
if (iso_dir_exists(parent, name, &pos)) {
/* a node with same name already exists */
return ISO_NODE_NAME_NOT_UNIQUE;
}
@ -97,15 +93,12 @@ int iso_tree_add_new_dir(IsoDir *parent, const char *name, IsoDir **dir)
node->node.ctime = now;
node->node.mtime = now;
/* add to dir */
node->node.parent = parent;
node->node.next = *pos;
*pos = (IsoNode*)node;
if (dir) {
*dir = node;
}
return ++parent->nchildren;
/* add to dir */
return iso_dir_insert(parent, (IsoNode*)node, pos, ISO_REPLACE_NEVER);
}
/**
@ -158,11 +151,7 @@ int iso_tree_add_new_symlink(IsoDir *parent, const char *name,
}
/* find place where to insert */
pos = &(parent->children);
while (*pos != NULL && strcmp((*pos)->name, name) < 0) {
pos = &((*pos)->next);
}
if (*pos != NULL && !strcmp((*pos)->name, name)) {
if (iso_dir_exists(parent, name, &pos)) {
/* a node with same name already exists */
return ISO_NODE_NAME_NOT_UNIQUE;
}
@ -199,15 +188,12 @@ int iso_tree_add_new_symlink(IsoDir *parent, const char *name,
node->node.ctime = now;
node->node.mtime = now;
/* add to dir */
node->node.parent = parent;
node->node.next = *pos;
*pos = (IsoNode*)node;
if (link) {
*link = node;
}
return ++parent->nchildren;
/* add to dir */
return iso_dir_insert(parent, (IsoNode*)node, pos, ISO_REPLACE_NEVER);
}
/**
@ -271,11 +257,7 @@ int iso_tree_add_new_special(IsoDir *parent, const char *name, mode_t mode,
}
/* find place where to insert */
pos = &(parent->children);
while (*pos != NULL && strcmp((*pos)->name, name) < 0) {
pos = &((*pos)->next);
}
if (*pos != NULL && !strcmp((*pos)->name, name)) {
if (iso_dir_exists(parent, name, &pos)) {
/* a node with same name already exists */
return ISO_NODE_NAME_NOT_UNIQUE;
}
@ -307,15 +289,12 @@ int iso_tree_add_new_special(IsoDir *parent, const char *name, mode_t mode,
node->node.ctime = now;
node->node.mtime = now;
/* add to dir */
node->node.parent = parent;
node->node.next = *pos;
*pos = (IsoNode*)node;
if (special) {
*special = node;
}
return ++parent->nchildren;
/* add to dir */
return iso_dir_insert(parent, (IsoNode*)node, pos, ISO_REPLACE_NEVER);
}
/**
@ -395,30 +374,24 @@ int iso_tree_add_node_builder(IsoImage *image, IsoDir *parent,
name = iso_file_source_get_name(src);
/* find place where to insert */
pos = &(parent->children);
while (*pos != NULL && strcmp((*pos)->name, name) < 0) {
pos = &((*pos)->next);
}
if (*pos != NULL && !strcmp((*pos)->name, name)) {
result = iso_dir_exists(parent, name, &pos);
free(name);
if (result) {
/* a node with same name already exists */
return ISO_NODE_NAME_NOT_UNIQUE;
}
free(name);
result = builder->create_node(builder, image, src, &new);
if (result < 0) {
return result;
}
/* finally, add node to parent */
new->parent = parent;
new->next = *pos;
*pos = new;
if (node) {
*node = new;
}
return ++parent->nchildren;
/* finally, add node to parent */
return iso_dir_insert(parent, (IsoNode*)new, pos, ISO_REPLACE_NEVER);
}
int iso_tree_add_node(IsoImage *image, IsoDir *parent, const char *path,
@ -513,11 +486,7 @@ int iso_add_dir_src_rec(IsoImage *image, IsoDir *parent, IsoFileSource *dir)
/* find place where to insert */
flag = 0;
pos = &(parent->children);
while (*pos != NULL && strcmp((*pos)->name, name) < 0) {
pos = &((*pos)->next);
}
if (*pos != NULL && !strcmp((*pos)->name, name)) {
if (iso_dir_exists(parent, name, &pos)) {
flag = 1;
if (action == 1 && image->recOpts.replace == 0) {
action = 2;
@ -569,21 +538,8 @@ int iso_add_dir_src_rec(IsoImage *image, IsoDir *parent, IsoFileSource *dir)
}
/* ok, node has correctly created, we need to add it */
if (flag) {
/* replace node */
new->next = (*pos)->next;
(*pos)->parent = NULL;
(*pos)->next = NULL;
iso_node_unref(*pos);
*pos = new;
new->parent = parent;
} else {
/* just add */
new->next = *pos;
*pos = new;
new->parent = parent;
++parent->nchildren;
}
iso_dir_insert(parent, new, pos, flag ? ISO_REPLACE_ALWAYS :
ISO_REPLACE_NEVER);
/* finally, if the node is a directory we need to recurse */
if (new->type == LIBISO_DIR) {