diff options
Diffstat (limited to 'arch/m68knommu/lib/memmove.c')
| -rw-r--r-- | arch/m68knommu/lib/memmove.c | 105 |
1 files changed, 0 insertions, 105 deletions
diff --git a/arch/m68knommu/lib/memmove.c b/arch/m68knommu/lib/memmove.c deleted file mode 100644 index b3dcfe9dab7e..000000000000 --- a/arch/m68knommu/lib/memmove.c +++ /dev/null | |||
| @@ -1,105 +0,0 @@ | |||
| 1 | /* | ||
| 2 | * This file is subject to the terms and conditions of the GNU General Public | ||
| 3 | * License. See the file COPYING in the main directory of this archive | ||
| 4 | * for more details. | ||
| 5 | */ | ||
| 6 | |||
| 7 | #define __IN_STRING_C | ||
| 8 | |||
| 9 | #include <linux/module.h> | ||
| 10 | #include <linux/string.h> | ||
| 11 | |||
| 12 | void *memmove(void *dest, const void *src, size_t n) | ||
| 13 | { | ||
| 14 | void *xdest = dest; | ||
| 15 | size_t temp; | ||
| 16 | |||
| 17 | if (!n) | ||
| 18 | return xdest; | ||
| 19 | |||
| 20 | if (dest < src) { | ||
| 21 | if ((long)dest & 1) { | ||
| 22 | char *cdest = dest; | ||
| 23 | const char *csrc = src; | ||
| 24 | *cdest++ = *csrc++; | ||
| 25 | dest = cdest; | ||
| 26 | src = csrc; | ||
| 27 | n--; | ||
| 28 | } | ||
| 29 | if (n > 2 && (long)dest & 2) { | ||
| 30 | short *sdest = dest; | ||
| 31 | const short *ssrc = src; | ||
| 32 | *sdest++ = *ssrc++; | ||
| 33 | dest = sdest; | ||
| 34 | src = ssrc; | ||
| 35 | n -= 2; | ||
| 36 | } | ||
| 37 | temp = n >> 2; | ||
| 38 | if (temp) { | ||
| 39 | long *ldest = dest; | ||
| 40 | const long *lsrc = src; | ||
| 41 | temp--; | ||
| 42 | do | ||
| 43 | *ldest++ = *lsrc++; | ||
| 44 | while (temp--); | ||
| 45 | dest = ldest; | ||
| 46 | src = lsrc; | ||
| 47 | } | ||
| 48 | if (n & 2) { | ||
| 49 | short *sdest = dest; | ||
| 50 | const short *ssrc = src; | ||
| 51 | *sdest++ = *ssrc++; | ||
| 52 | dest = sdest; | ||
| 53 | src = ssrc; | ||
| 54 | } | ||
| 55 | if (n & 1) { | ||
| 56 | char *cdest = dest; | ||
| 57 | const char *csrc = src; | ||
| 58 | *cdest = *csrc; | ||
| 59 | } | ||
| 60 | } else { | ||
| 61 | dest = (char *)dest + n; | ||
| 62 | src = (const char *)src + n; | ||
| 63 | if ((long)dest & 1) { | ||
| 64 | char *cdest = dest; | ||
| 65 | const char *csrc = src; | ||
| 66 | *--cdest = *--csrc; | ||
| 67 | dest = cdest; | ||
| 68 | src = csrc; | ||
| 69 | n--; | ||
| 70 | } | ||
| 71 | if (n > 2 && (long)dest & 2) { | ||
| 72 | short *sdest = dest; | ||
| 73 | const short *ssrc = src; | ||
| 74 | *--sdest = *--ssrc; | ||
| 75 | dest = sdest; | ||
| 76 | src = ssrc; | ||
| 77 | n -= 2; | ||
| 78 | } | ||
| 79 | temp = n >> 2; | ||
| 80 | if (temp) { | ||
| 81 | long *ldest = dest; | ||
| 82 | const long *lsrc = src; | ||
| 83 | temp--; | ||
| 84 | do | ||
| 85 | *--ldest = *--lsrc; | ||
| 86 | while (temp--); | ||
| 87 | dest = ldest; | ||
| 88 | src = lsrc; | ||
| 89 | } | ||
| 90 | if (n & 2) { | ||
| 91 | short *sdest = dest; | ||
| 92 | const short *ssrc = src; | ||
| 93 | *--sdest = *--ssrc; | ||
| 94 | dest = sdest; | ||
| 95 | src = ssrc; | ||
| 96 | } | ||
| 97 | if (n & 1) { | ||
| 98 | char *cdest = dest; | ||
| 99 | const char *csrc = src; | ||
| 100 | *--cdest = *--csrc; | ||
| 101 | } | ||
| 102 | } | ||
| 103 | return xdest; | ||
| 104 | } | ||
| 105 | EXPORT_SYMBOL(memmove); | ||