/* * Copyright (C) 2006-2007 Axis Communications AB * * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. */ #include <string.h> char *strcpy(char *dest, const char *src) { char *ret = dest; unsigned long himagic = 0x80808080L; unsigned long lomagic = 0x01010101L; while ((unsigned long)src & (sizeof src - 1)) { if (!(*dest++ = *src++)) { return ret; } } while (1) { unsigned long value = *(unsigned long*)src; unsigned long magic; src += sizeof (unsigned long); if ((magic = (value - lomagic) & himagic)) { if (magic & ~value) { break; } } *(unsigned long*)dest = value; dest += sizeof (unsigned long); } src -= sizeof (unsigned long); while ((*dest++ = *src++)) { } return ret; } libc_hidden_def(strcpy)