Mercurial > gnulib
view lib/memmove.c @ 20334:f9629a6448bc
Return a value!
author | Jim Meyering <jim@meyering.net> |
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date | Sun, 14 Jul 1996 15:05:40 +0000 |
parents | 1ce891ef6ac0 |
children | 221d11a2cacd |
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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>. */ #ifdef HAVE_CONFIG_H #include <config.h> #endif void * memmove (dest, source, length) char *dest; const char *source; unsigned length; { 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++; --dest; } return (void *) dest; }