diff options
Diffstat (limited to 'e2fsprogs/ext2fs/bitops.c')
-rw-r--r-- | e2fsprogs/ext2fs/bitops.c | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/e2fsprogs/ext2fs/bitops.c b/e2fsprogs/ext2fs/bitops.c deleted file mode 100644 index 987061130..000000000 --- a/e2fsprogs/ext2fs/bitops.c +++ /dev/null | |||
@@ -1,91 +0,0 @@ | |||
1 | /* vi: set sw=4 ts=4: */ | ||
2 | /* | ||
3 | * bitops.c --- Bitmap frobbing code. See bitops.h for the inlined | ||
4 | * routines. | ||
5 | * | ||
6 | * Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o. | ||
7 | * | ||
8 | * %Begin-Header% | ||
9 | * This file may be redistributed under the terms of the GNU Public | ||
10 | * License. | ||
11 | * %End-Header% | ||
12 | */ | ||
13 | |||
14 | #include <stdio.h> | ||
15 | #if HAVE_SYS_TYPES_H | ||
16 | #include <sys/types.h> | ||
17 | #endif | ||
18 | |||
19 | #include "ext2_fs.h" | ||
20 | #include "ext2fs.h" | ||
21 | |||
22 | #ifndef _EXT2_HAVE_ASM_BITOPS_ | ||
23 | |||
24 | /* | ||
25 | * For the benefit of those who are trying to port Linux to another | ||
26 | * architecture, here are some C-language equivalents. You should | ||
27 | * recode these in the native assmebly language, if at all possible. | ||
28 | * | ||
29 | * C language equivalents written by Theodore Ts'o, 9/26/92. | ||
30 | * Modified by Pete A. Zaitcev 7/14/95 to be portable to big endian | ||
31 | * systems, as well as non-32 bit systems. | ||
32 | */ | ||
33 | |||
34 | int ext2fs_set_bit(unsigned int nr,void * addr) | ||
35 | { | ||
36 | int mask, retval; | ||
37 | unsigned char *ADDR = (unsigned char *) addr; | ||
38 | |||
39 | ADDR += nr >> 3; | ||
40 | mask = 1 << (nr & 0x07); | ||
41 | retval = mask & *ADDR; | ||
42 | *ADDR |= mask; | ||
43 | return retval; | ||
44 | } | ||
45 | |||
46 | int ext2fs_clear_bit(unsigned int nr, void * addr) | ||
47 | { | ||
48 | int mask, retval; | ||
49 | unsigned char *ADDR = (unsigned char *) addr; | ||
50 | |||
51 | ADDR += nr >> 3; | ||
52 | mask = 1 << (nr & 0x07); | ||
53 | retval = mask & *ADDR; | ||
54 | *ADDR &= ~mask; | ||
55 | return retval; | ||
56 | } | ||
57 | |||
58 | int ext2fs_test_bit(unsigned int nr, const void * addr) | ||
59 | { | ||
60 | int mask; | ||
61 | const unsigned char *ADDR = (const unsigned char *) addr; | ||
62 | |||
63 | ADDR += nr >> 3; | ||
64 | mask = 1 << (nr & 0x07); | ||
65 | return (mask & *ADDR); | ||
66 | } | ||
67 | |||
68 | #endif /* !_EXT2_HAVE_ASM_BITOPS_ */ | ||
69 | |||
70 | void ext2fs_warn_bitmap(errcode_t errcode, unsigned long arg, | ||
71 | const char *description) | ||
72 | { | ||
73 | #ifndef OMIT_COM_ERR | ||
74 | if (description) | ||
75 | bb_error_msg("#%lu for %s", arg, description); | ||
76 | else | ||
77 | bb_error_msg("#%lu", arg); | ||
78 | #endif | ||
79 | } | ||
80 | |||
81 | void ext2fs_warn_bitmap2(ext2fs_generic_bitmap bitmap, | ||
82 | int code, unsigned long arg) | ||
83 | { | ||
84 | #ifndef OMIT_COM_ERR | ||
85 | if (bitmap->description) | ||
86 | bb_error_msg("#%lu for %s", arg, bitmap->description); | ||
87 | else | ||
88 | bb_error_msg("#%lu", arg); | ||
89 | #endif | ||
90 | } | ||
91 | |||