plan9port/src/lib9pclient/ns.c
2005-02-08 21:03:12 +00:00

55 lines
753 B
C

#include <u.h>
#include <libc.h>
#include <fcall.h>
#include <9pclient.h>
#include <ctype.h>
CFsys*
nsmount(char *name, char *aname)
{
char *addr, *ns;
int fd;
CFsys *fs;
ns = getns();
if(ns == nil)
return nil;
addr = smprint("unix!%s/%s", ns, name);
free(ns);
if(addr == nil)
return nil;
fd = dial(addr, 0, 0, 0);
if(fd < 0){
werrstr("dial %s: %r", addr);
free(addr);
return nil;
}
free(addr);
fcntl(fd, F_SETFL, FD_CLOEXEC);
fs = fsmount(fd, aname);
if(fs == nil){
close(fd);
return nil;
}
return fs;
}
CFid*
nsopen(char *name, char *aname, char *fname, int mode)
{
CFsys *fs;
CFid *fid;
fs = nsmount(name, aname);
if(fs == nil)
return nil;
fid = fsopen(fs, fname, mode);
fsunmount(fs);
return fid;
}