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- /* memcpy.c -- copy memory.
- Copy LENGTH bytes from SOURCE to DEST. Does not null-terminate.
- The source and destination regions may not overlap.
- In the public domain.
- By Jim Meyering. */
-
- /* FIXME: remove this before release. */
- #include <assert.h>
- #ifndef ABS
- # define ABS(x) ((x) < 0 ? (-(x)) : (x))
- #endif
-
- void
- memcpy (dest, source, length)
- char *dest;
- const char *source;
- unsigned length;
- {
- assert (length >= 0);
- /* Make sure they don't overlap. */
- assert (ABS (dest - source) >= length);
-
- for (; length; --length)
- *dest++ = *source++;
- }
-