diff options
Diffstat (limited to 'sysdeps/generic/memmove.c')
| -rw-r--r-- | sysdeps/generic/memmove.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/sysdeps/generic/memmove.c b/sysdeps/generic/memmove.c index e3016819d9..8ef6f04cbe 100644 --- a/sysdeps/generic/memmove.c +++ b/sysdeps/generic/memmove.c @@ -1,6 +1,6 @@ /* memmove -- copy memory to memory until the specified number of bytes has been copied. Overlap is handled correctly. - Copyright (C) 1991 Free Software Foundation, Inc. + Copyright (C) 1991, 1995 Free Software Foundation, Inc. Contributed by Torbjorn Granlund (tege@sics.se). The GNU C Library is free software; you can redistribute it and/or @@ -21,6 +21,7 @@ Cambridge, MA 02139, USA. */ #include <ansidecl.h> #include <string.h> #include <memcopy.h> +#include <pagecopy.h> /* All this is so that bcopy.c can #include this file after defining some things. */ @@ -55,6 +56,11 @@ DEFUN(memmove, (a1, a2, len), len -= (-dstp) % OPSIZ; BYTE_COPY_FWD (dstp, srcp, (-dstp) % OPSIZ); + /* Copy whole pages from SRCP to DSTP by virtual address + manipulation, as much as possible. */ + + PAGE_COPY_FWD_MAYBE (dstp, srcp, len, len); + /* Copy from SRCP to DSTP taking advantage of the known alignment of DSTP. Number of bytes remaining is put in the third argumnet, i.e. in LEN. This number may |