diff options
Diffstat (limited to 'runtime/Intrinsic/memmove.c')
-rw-r--r-- | runtime/Intrinsic/memmove.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/runtime/Intrinsic/memmove.c b/runtime/Intrinsic/memmove.c new file mode 100644 index 00000000..c6e1ada9 --- /dev/null +++ b/runtime/Intrinsic/memmove.c @@ -0,0 +1,28 @@ +//===-- memmove.c ---------------------------------------------------------===// +// +// The KLEE Symbolic Virtual Machine +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#include <stdlib.h> + +void *memmove(void *dst, const void *src, size_t count) { + char *a = dst; + const char *b = src; + + if (src == dst) + return dst; + + if (src>dst) { + while (count--) *a++ = *b++; + } else { + a+=count-1; + b+=count-1; + while (count--) *a-- = *b--; + } + + return dst; +} |