xref: /minix3/minix/lib/libsys/socketpath.c (revision 27852ebe53d5bf221cf5058cb7e858fa8fa8895e)
1 #include "syslib.h"
2 
3 #include <unistd.h>
4 #include <string.h>
5 #include <minix/safecopies.h>
6 
7 int
socketpath(endpoint_t endpt,const char * path,size_t size,int what,dev_t * dev,ino_t * ino)8 socketpath(endpoint_t endpt, const char * path, size_t size, int what,
9 	dev_t * dev, ino_t * ino)
10 {
11 	cp_grant_id_t grant;
12 	message m;
13 	int r;
14 
15 	if ((grant = cpf_grant_direct(VFS_PROC_NR, (vir_bytes)path, size,
16 	    CPF_READ)) == GRANT_INVALID)
17 		return ENOMEM;
18 
19 	memset(&m, 0, sizeof(m));
20 	m.m_lsys_vfs_socketpath.endpt = endpt;
21 	m.m_lsys_vfs_socketpath.grant = grant;
22 	m.m_lsys_vfs_socketpath.count = size;
23 	m.m_lsys_vfs_socketpath.what = what;
24 
25 	r = _taskcall(VFS_PROC_NR, VFS_SOCKETPATH, &m);
26 
27 	cpf_revoke(grant);
28 
29 	if (r == OK) {
30 		*dev = m.m_vfs_lsys_socketpath.device;
31 		*ino = m.m_vfs_lsys_socketpath.inode;
32 	}
33 
34 	return r;
35 }
36