2 * mode_string implementation for busybox
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
28 #if defined(CONFIG_CMD_REISER)
29 #include <linux/stat.h>
31 #if ( S_ISUID != 04000 ) || ( S_ISGID != 02000 ) || ( S_ISVTX != 01000 ) \
32 || ( S_IRUSR != 00400 ) || ( S_IWUSR != 00200 ) || ( S_IXUSR != 00100 ) \
33 || ( S_IRGRP != 00040 ) || ( S_IWGRP != 00020 ) || ( S_IXGRP != 00010 ) \
34 || ( S_IROTH != 00004 ) || ( S_IWOTH != 00002 ) || ( S_IXOTH != 00001 )
35 #error permission bitflag value assumption(s) violated!
38 #if ( S_IFSOCK!= 0140000 ) || ( S_IFLNK != 0120000 ) \
39 || ( S_IFREG != 0100000 ) || ( S_IFBLK != 0060000 ) \
40 || ( S_IFDIR != 0040000 ) || ( S_IFCHR != 0020000 ) \
41 || ( S_IFIFO != 0010000 )
42 #warning mode type bitflag value assumption(s) violated! falling back to larger version
44 #if (S_IRWXU | S_IRWXG | S_IRWXO | S_ISUID | S_ISGID | S_ISVTX) == 07777
46 #define mode_t unsigned short
49 static const mode_t mode_flags[] = {
50 S_IRUSR, S_IWUSR, S_IXUSR, S_ISUID,
51 S_IRGRP, S_IWGRP, S_IXGRP, S_ISGID,
52 S_IROTH, S_IWOTH, S_IXOTH, S_ISVTX
55 /* The static const char arrays below are duplicated for the two cases
56 * because moving them ahead of the mode_flags declaration cause a text
57 * size increase with the gcc version I'm using. */
59 /* The previous version used "0pcCd?bB-?l?s???". However, the '0', 'C',
60 * and 'B' types don't appear to be available on linux. So I removed them. */
61 static const char type_chars[16] = "?pc?d?b?-?l?s???";
62 /* 0123456789abcdef */
63 static const char mode_chars[7] = "rwxSTst";
65 const char *bb_mode_string(int mode)
72 *p = type_chars[ (mode >> 12) & 0xf ];
78 if (mode & mode_flags[i+j]) {
83 if (mode & mode_flags[i+j]) {
84 *p = mode_chars[3 + (k & 2) + ((i&8) >> 3)];
89 /* Note: We don't bother with nul termination because bss initialization
90 * should have taken care of that for us. If the user scribbled in buf
91 * memory, they deserve whatever happens. But we'll at least assert. */
92 if (buf[10] != 0) return NULL;
99 /* The previous version used "0pcCd?bB-?l?s???". However, the '0', 'C',
100 * and 'B' types don't appear to be available on linux. So I removed them. */
101 static const char type_chars[16] = "?pc?d?b?-?l?s???";
102 /* 0123456789abcdef */
103 static const char mode_chars[7] = "rwxSTst";
105 const char *bb_mode_string(int mode)
112 *p = type_chars[ (mode >> 12) & 0xf ];
126 if (mode & (010000 >> i)) {
127 *p = mode_chars[3 + (k & 2) + (i == 3)];
131 /* Note: We don't bother with nul termination because bss initialization
132 * should have taken care of that for us. If the user scribbled in buf
133 * memory, they deserve whatever happens. But we'll at least assert. */
134 if (buf[10] != 0) return NULL;