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-rw-r--r--gnulib/lib/memmove.c26
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diff --git a/gnulib/lib/memmove.c b/gnulib/lib/memmove.c
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+/* memmove.c -- copy memory.
+ Copy LENGTH bytes from SOURCE to DEST. Does not null-terminate.
+ In the public domain.
+ By David MacKenzie <djm@gnu.ai.mit.edu>. */
+
+#include <config.h>
+
+#include <stddef.h>
+
+void *
+memmove (void *dest0, void const *source0, size_t length)
+{
+ char *dest = dest0;
+ char const *source = source0;
+ if (source < dest)
+ /* Moving from low mem to hi mem; start at end. */
+ for (source += length, dest += length; length; --length)
+ *--dest = *--source;
+ else if (source != dest)
+ {
+ /* Moving from hi mem to low mem; start at beginning. */
+ for (; length; --length)
+ *dest++ = *source++;
+ }
+ return dest0;
+}