fs/smb/client/dns_resolve.h

Source file repositories/reference/linux-study-clean/fs/smb/client/dns_resolve.h

File Facts

System
Linux kernel
Corpus path
fs/smb/client/dns_resolve.h
Extension
.h
Size
841 bytes
Lines
38
Domain
Core OS
Bucket
VFS And Filesystem Core
Inferred role
Core OS: implementation source
Status
source implementation candidate

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef _DNS_RESOLVE_H
#define _DNS_RESOLVE_H

#include <linux/net.h>
#include "cifsglob.h"
#include "cifsproto.h"

int dns_resolve_name(const char *dom, const char *name, size_t namelen,
		     struct sockaddr *ip_addr);

static inline int dns_resolve_unc(const char *dom, const char *unc,
				  struct sockaddr *ip_addr)
{
	const char *name;
	size_t namelen;

	if (!unc || strlen(unc) < 3)
		return -EINVAL;

	extract_unc_hostname(unc, &name, &namelen);
	if (!namelen)
		return -EINVAL;

	return dns_resolve_name(dom, name, namelen, ip_addr);
}

#endif /* _DNS_RESOLVE_H */

Annotation

Implementation Notes