usr/src/lib/libast/common/string/fmtls.c

   1 /***********************************************************************
   2 *                                                                      *
   3 *               This software is part of the ast package               *
   4 *          Copyright (c) 1985-2010 AT&T Intellectual Property          *
   5 *                      and is licensed under the                       *
   6 *                  Common Public License, Version 1.0                  *
   7 *                    by AT&T Intellectual Property                     *
   8 *                                                                      *
   9 *                A copy of the License is available at                 *
  10 *            http://www.opensource.org/licenses/cpl1.0.txt             *
  11 *         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
  12 *                                                                      *
  13 *              Information and Software Systems Research               *
  14 *                            AT&T Research                             *
  15 *                           Florham Park NJ                            *
  16 *                                                                      *
  17 *                 Glenn Fowler <gsf@research.att.com>                  *
  18 *                  David Korn <dgk@research.att.com>                   *
  19 *                   Phong Vo <kpv@research.att.com>                    *
  20 *                                                                      *
  21 ***********************************************************************/
  22 #pragma prototyped
  23 /*
  24  * Glenn Fowler
  25  * AT&T Bell Laboratories
  26  *
  27  * ls formatter
  28  */
  29
  30 #include <ast.h>
  31 #include <ls.h>
  32 #include <tm.h>
  33
  34 #ifndef LS_W_MAX
  35 #define LS_W_MAX        128
  36 #endif
  37
  38 /*
  39  * ls formatter
  40  *
  41  *      buf     results placed here
  42  *      name    file name
  43  *      st      file stat buffer
  44  *      info    optional info
  45  *      link    link text if != 0
  46  *      flags   LS_* flags
  47  *
  48  *      return  end of formatted buf
  49  */
  50
  51 char*
  52 fmtls(char* buf, const char* name, register struct stat* st, const char* info, const char* link, register int flags)
  53 {
  54         register char*          s;
  55         time_t                  tm;
  56         Sfoff_t                 n;
  57
  58         s = buf;
  59         if (flags & LS_INUMBER)
  60                 s += sfsprintf(s, LS_W_MAX, "%*I*u ", LS_W_INUMBER - 1, sizeof(st->st_ino), st->st_ino);
  61         if (flags & LS_BLOCKS)
  62         {
  63                 n = iblocks(st);
  64                 s += sfsprintf(s, LS_W_MAX, "%*I*u ", LS_W_BLOCKS - 1, sizeof(n), n);
  65         }
  66         if (flags & LS_LONG)
  67         {
  68                 s += sfsprintf(s, LS_W_MAX, "%s%3u", fmtmode(st->st_mode, flags & LS_EXTERNAL), (unsigned int)st->st_nlink);
  69                 if (!(flags & LS_NOUSER))
  70                 {
  71                         if (flags & LS_NUMBER)
  72                                 s += sfsprintf(s, LS_W_MAX, " %-*I*d", LS_W_NAME - 1, sizeof(st->st_uid), st->st_uid);
  73                         else
  74                                 s += sfsprintf(s, LS_W_MAX, " %-*s", LS_W_NAME - 1, fmtuid(st->st_uid));
  75                 }
  76                 if (!(flags & LS_NOGROUP))
  77                 {
  78                         if (flags & LS_NUMBER)
  79                                 s += sfsprintf(s, LS_W_MAX, " %-*I*d", LS_W_NAME - 1, sizeof(st->st_gid), st->st_gid);
  80                         else
  81                                 s += sfsprintf(s, LS_W_MAX, " %-*s", LS_W_NAME - 1, fmtgid(st->st_gid));
  82                 }
  83                 if (S_ISBLK(st->st_mode) || S_ISCHR(st->st_mode))
  84                         s += sfsprintf(s, LS_W_MAX, "%8s ", fmtdev(st));
  85                 else
  86                         s += sfsprintf(s, LS_W_MAX, "%8I*u ", sizeof(st->st_size), st->st_size);
  87                 tm = (flags & LS_ATIME) ? st->st_atime : (flags & LS_CTIME) ? st->st_ctime : st->st_mtime;
  88                 s = tmfmt(s, LS_W_LONG / 2, "%?%l", &tm);
  89                 *s++ = ' ';
  90         }
  91         if (info)
  92         {
  93                 while (*s = *info++)
  94                         s++;
  95                 *s++ = ' ';
  96         }
  97         while (*s = *name++)
  98                 s++;
  99         if (flags & LS_MARK)
 100         {
 101                 if (S_ISDIR(st->st_mode))
 102                         *s++ = '/';
 103 #ifdef S_ISLNK
 104                 else if (S_ISLNK(st->st_mode))
 105                         *s++ = '@';
 106 #endif
 107                 else if (st->st_mode & (S_IXUSR|S_IXGRP|S_IXOTH))
 108                         *s++ = '*';
 109         }
 110         if (link)
 111         {
 112                 s += sfsprintf(s, LS_W_MAX, " %s %s",
 113 #ifdef S_ISLNK
 114                         S_ISLNK(st->st_mode) ? "->" :
 115 #endif
 116                                 "==", link);
 117         }
 118         *s = 0;
 119         return s;
 120 }