u9fs/dirmodeconv.c

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2011-05-12 23:06:54 +02:00
#include <plan9.h>
#include <fcall.h>
static char *modes[] =
{
"---",
"--x",
"-w-",
"-wx",
"r--",
"r-x",
"rw-",
"rwx",
};
static void
rwx(long m, char *s)
{
strncpy(s, modes[m], 3);
}
int
dirmodeconv(va_list *arg, Fconv *f)
{
static char buf[16];
ulong m;
m = va_arg(*arg, ulong);
if(m & DMDIR)
buf[0]='d';
else if(m & DMAPPEND)
buf[0]='a';
else
buf[0]='-';
if(m & DMEXCL)
buf[1]='l';
else
buf[1]='-';
rwx((m>>6)&7, buf+2);
rwx((m>>3)&7, buf+5);
rwx((m>>0)&7, buf+8);
buf[11] = 0;
strconv(buf, f);
return 0;
}