conterm/libc/dirmodefmt.c

49 lines
581 B
C

#include <u.h>
#include <libc.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
dirmodefmt(Fmt *f)
{
static char buf[16];
ulong m;
m = va_arg(f->args, ulong);
if(m & DMDIR)
buf[0]='d';
else if(m & DMAPPEND)
buf[0]='a';
else if(m & DMAUTH)
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;
return fmtstrcpy(f, buf);
}