scripts/dtc/livetree.c

Source file repositories/reference/linux-study-clean/scripts/dtc/livetree.c

File Facts

System
Linux kernel
Corpus path
scripts/dtc/livetree.c
Extension
.c
Size
27011 bytes
Lines
1316
Domain
Support Tooling And Documentation
Bucket
scripts
Inferred role
Support Tooling And Documentation: implementation source
Status
source implementation candidate

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

if (streq(new->label, label)) {
			new->deleted = 0;
			return;
		}

	new = xmalloc(sizeof(*new));
	memset(new, 0, sizeof(*new));
	new->label = label;
	new->next = *labels;
	*labels = new;
}

void delete_labels(struct label **labels)
{
	struct label *label;

	for_each_label(*labels, label)
		label->deleted = 1;
}

struct property *build_property(const char *name, struct data val,
				struct srcpos *srcpos)
{
	struct property *new = xmalloc(sizeof(*new));

	memset(new, 0, sizeof(*new));

	new->name = xstrdup(name);
	new->val = val;
	new->srcpos = srcpos_copy(srcpos);

	return new;
}

struct property *build_property_delete(const char *name)
{
	struct property *new = xmalloc(sizeof(*new));

	memset(new, 0, sizeof(*new));

	new->name = xstrdup(name);
	new->deleted = 1;

	return new;
}

struct property *chain_property(struct property *first, struct property *list)
{
	assert(first->next == NULL);

	first->next = list;
	return first;
}

struct property *reverse_properties(struct property *first)
{
	struct property *p = first;
	struct property *head = NULL;
	struct property *next;

	while (p) {
		next = p->next;
		p->next = head;
		head = p;
		p = next;
	}
	return head;
}

struct node *build_node(struct property *proplist, struct node *children,
			struct srcpos *srcpos)
{
	struct node *new = xmalloc(sizeof(*new));
	struct node *child;

	memset(new, 0, sizeof(*new));

	new->proplist = reverse_properties(proplist);
	new->children = children;
	new->srcpos = srcpos_copy(srcpos);

	for_each_child(new, child) {
		child->parent = new;
	}

	return new;
}

struct node *build_node_delete(struct srcpos *srcpos)
{

Annotation

Implementation Notes