ref: c67d0c699f7b52da534f75d3620776997b1e8d52
dir: /sys/src/libc/9sys/dirmodefmt.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); }