diff options
Diffstat (limited to 'fs/reiserfs/mode_string.c')
| -rw-r--r-- | fs/reiserfs/mode_string.c | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/fs/reiserfs/mode_string.c b/fs/reiserfs/mode_string.c deleted file mode 100644 index bc565fbddd..0000000000 --- a/fs/reiserfs/mode_string.c +++ /dev/null @@ -1,142 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * mode_string implementation for busybox - * - * Copyright (C) 2003 Manuel Novoa III <mjn3@codepoet.org> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - -/* Aug 13, 2003 - * Fix a bug reported by junkio@cox.net involving the mode_chars index. - */ - - -#include <common.h> -#if (CONFIG_COMMANDS & CFG_CMD_REISER) -#include <linux/stat.h> - -#if ( S_ISUID != 04000 ) || ( S_ISGID != 02000 ) || ( S_ISVTX != 01000 ) \ - || ( S_IRUSR != 00400 ) || ( S_IWUSR != 00200 ) || ( S_IXUSR != 00100 ) \ - || ( S_IRGRP != 00040 ) || ( S_IWGRP != 00020 ) || ( S_IXGRP != 00010 ) \ - || ( S_IROTH != 00004 ) || ( S_IWOTH != 00002 ) || ( S_IXOTH != 00001 ) -#error permission bitflag value assumption(s) violated! -#endif - -#if ( S_IFSOCK!= 0140000 ) || ( S_IFLNK != 0120000 ) \ - || ( S_IFREG != 0100000 ) || ( S_IFBLK != 0060000 ) \ - || ( S_IFDIR != 0040000 ) || ( S_IFCHR != 0020000 ) \ - || ( S_IFIFO != 0010000 ) -#warning mode type bitflag value assumption(s) violated! falling back to larger version - -#if (S_IRWXU | S_IRWXG | S_IRWXO | S_ISUID | S_ISGID | S_ISVTX) == 07777 -#undef mode_t -#define mode_t unsigned short -#endif - -static const mode_t mode_flags[] = { - S_IRUSR, S_IWUSR, S_IXUSR, S_ISUID, - S_IRGRP, S_IWGRP, S_IXGRP, S_ISGID, - S_IROTH, S_IWOTH, S_IXOTH, S_ISVTX -}; - -/* The static const char arrays below are duplicated for the two cases - * because moving them ahead of the mode_flags declaration cause a text - * size increase with the gcc version I'm using. */ - -/* The previous version used "0pcCd?bB-?l?s???". However, the '0', 'C', - * and 'B' types don't appear to be available on linux. So I removed them. */ -static const char type_chars[16] = "?pc?d?b?-?l?s???"; -/* 0123456789abcdef */ -static const char mode_chars[7] = "rwxSTst"; - -const char *bb_mode_string(int mode) -{ - static char buf[12]; - char *p = buf; - - int i, j, k; - - *p = type_chars[ (mode >> 12) & 0xf ]; - i = 0; - do { - j = k = 0; - do { - *++p = '-'; - if (mode & mode_flags[i+j]) { - *p = mode_chars[j]; - k = j; - } - } while (++j < 3); - if (mode & mode_flags[i+j]) { - *p = mode_chars[3 + (k & 2) + ((i&8) >> 3)]; - } - i += 4; - } while (i < 12); - - /* Note: We don't bother with nul termination because bss initialization - * should have taken care of that for us. If the user scribbled in buf - * memory, they deserve whatever happens. But we'll at least assert. */ - if (buf[10] != 0) return NULL; - - return buf; -} - -#else - -/* The previous version used "0pcCd?bB-?l?s???". However, the '0', 'C', - * and 'B' types don't appear to be available on linux. So I removed them. */ -static const char type_chars[16] = "?pc?d?b?-?l?s???"; -/* 0123456789abcdef */ -static const char mode_chars[7] = "rwxSTst"; - -const char *bb_mode_string(int mode) -{ - static char buf[12]; - char *p = buf; - - int i, j, k, m; - - *p = type_chars[ (mode >> 12) & 0xf ]; - i = 0; - m = 0400; - do { - j = k = 0; - do { - *++p = '-'; - if (mode & m) { - *p = mode_chars[j]; - k = j; - } - m >>= 1; - } while (++j < 3); - ++i; - if (mode & (010000 >> i)) { - *p = mode_chars[3 + (k & 2) + (i == 3)]; - } - } while (i < 3); - - /* Note: We don't bother with nul termination because bss initialization - * should have taken care of that for us. If the user scribbled in buf - * memory, they deserve whatever happens. But we'll at least assert. */ - if (buf[10] != 0) return NULL; - - return buf; -} - -#endif - -#endif /* CFG_CMD_REISER */ |