Mercurial > gnulib
view lib/memmove.c @ 40242:e84036edb2ff
bitset, timevar: Depend on c99
Reported by Bruno Haible.
* modules/bitset, modules/timevar (Depends-on): Add c99.
author | Akim Demaille <akim.demaille@gmail.com> |
---|---|
date | Sun, 17 Mar 2019 08:34:22 +0100 |
parents | e8d2c6fc33ad |
children |
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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; }