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-rw-r--r--libc/string/bcopy.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/libc/string/bcopy.c b/libc/string/bcopy.c
new file mode 100644
index 000000000..59e586b34
--- /dev/null
+++ b/libc/string/bcopy.c
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2002 Manuel Novoa III
+ * Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+#include "_string.h"
+
+void attribute_hidden __bcopy(const void *s2, void *s1, size_t n)
+{
+#if 1
+ __memmove(s1, s2, n);
+#else
+#ifdef __BCC__
+ register char *s;
+ register const char *p;
+
+ s = s1;
+ p = s2;
+ if (p >= s) {
+ while (n--) {
+ *s++ = *p++;
+ }
+ } else {
+ s += n;
+ p += n;
+ while (n--) {
+ *--s = *--p;
+ }
+ }
+#else
+ register char *s;
+ register const char *p;
+
+ s = s1;
+ p = s2;
+ if (p >= s) {
+ while (n) {
+ *s++ = *p++;
+ --n;
+ }
+ } else {
+ while (n) {
+ --n;
+ s[n] = p[n];
+ }
+ }
+#endif
+#endif
+}
+
+strong_alias(__bcopy,bcopy)