• source navigation  • diff markup  • identifier search  • freetext search  • 

Sources/opkg-lede/libbb/mode_string.c

  1 /* vi: set sw=4 ts=4: */
  2 /*
  3  * Utility routines.
  4  *
  5  * Copyright (C) many different people.  If you wrote this, please
  6  * acknowledge your work.
  7  *
  8  * This program is free software; you can redistribute it and/or modify
  9  * it under the terms of the GNU General Public License as published by
 10  * the Free Software Foundation; either version 2 of the License, or
 11  * (at your option) any later version.
 12  *
 13  * This program is distributed in the hope that it will be useful, but
 14  * WITHOUT ANY WARRANTY; without even the implied warranty of
 15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 16  * General Public License for more details.
 17  *
 18  * You should have received a copy of the GNU General Public License
 19  * along with this program; if not, write to the Free Software
 20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 21  * USA
 22  */
 23 
 24 #include <stdio.h>
 25 #include "libbb.h"
 26 
 27 #define TYPEINDEX(mode) (((mode) >> 12) & 0x0f)
 28 #define TYPECHAR(mode)  ("0pcCd?bB-?l?s???" [TYPEINDEX(mode)])
 29 
 30 /* The special bits. If set, display SMODE0/1 instead of MODE0/1 */
 31 static const mode_t SBIT[] = {
 32         0, 0, S_ISUID,
 33         0, 0, S_ISGID,
 34         0, 0, S_ISVTX
 35 };
 36 
 37 /* The 9 mode bits to test */
 38 static const mode_t MBIT[] = {
 39         S_IRUSR, S_IWUSR, S_IXUSR,
 40         S_IRGRP, S_IWGRP, S_IXGRP,
 41         S_IROTH, S_IWOTH, S_IXOTH
 42 };
 43 
 44 static const char MODE1[] = "rwxrwxrwx";
 45 static const char MODE0[] = "---------";
 46 static const char SMODE1[] = "..s..s..t";
 47 static const char SMODE0[] = "..S..S..T";
 48 
 49 /*
 50  * Return the standard ls-like mode string from a file mode.
 51  * This is static and so is overwritten on each call.
 52  */
 53 const char *mode_string(int mode)
 54 {
 55         static char buf[12];
 56 
 57         int i;
 58 
 59         buf[0] = TYPECHAR(mode);
 60         for (i = 0; i < 9; i++) {
 61                 if (mode & SBIT[i])
 62                         buf[i + 1] = (mode & MBIT[i]) ? SMODE1[i] : SMODE0[i];
 63                 else
 64                         buf[i + 1] = (mode & MBIT[i]) ? MODE1[i] : MODE0[i];
 65         }
 66         return buf;
 67 }
 68 
 69 /* END CODE */
 70 /*
 71 Local Variables:
 72 c-file-style: "linux"
 73 c-basic-offset: 4
 74 tab-width: 4
 75 End:
 76 */
 77 

This page was automatically generated by LXR 0.3.1.  •  OpenWrt