LCOV - code coverage report
Current view: top level - libc/string - memcpy.c (source / functions) Hit Total Coverage
Test: skiboot.info Lines: 13 13 100.0 %
Date: 2024-01-02 21:04:04 Functions: 1 1 100.0 %
Branches: 0 0 -

           Branch data     Line data    Source code
       1                 :            : /******************************************************************************
       2                 :            :  * Copyright (c) 2004, 2008 IBM Corporation
       3                 :            :  * All rights reserved.
       4                 :            :  * This program and the accompanying materials
       5                 :            :  * are made available under the terms of the BSD License
       6                 :            :  * which accompanies this distribution, and is available at
       7                 :            :  * http://www.opensource.org/licenses/bsd-license.php
       8                 :            :  *
       9                 :            :  * Contributors:
      10                 :            :  *     IBM Corporation - initial implementation
      11                 :            :  *****************************************************************************/
      12                 :            : 
      13                 :            : #include <stddef.h>
      14                 :            : #include <ccan/short_types/short_types.h>
      15                 :            : 
      16                 :            : void *memcpy(void *dest, const void *src, size_t n);
      17                 :         25 : void *memcpy(void *dest, const void *src, size_t n)
      18                 :            : {
      19                 :         25 :         void *ret = dest;
      20                 :            : 
      21                 :         30 :         while (n >= 8) {
      22                 :          5 :                 *(uint64_t *)dest = *(uint64_t *)src;
      23                 :          5 :                 dest += 8;
      24                 :          5 :                 src += 8;
      25                 :          5 :                 n -= 8;
      26                 :            :         }
      27                 :            : 
      28                 :        105 :         while (n > 0) {
      29                 :         80 :                 *(uint8_t *)dest = *(uint8_t *)src;
      30                 :         80 :                 dest += 1;
      31                 :         80 :                 src += 1;
      32                 :         80 :                 n -= 1;
      33                 :            :         }
      34                 :            : 
      35                 :         25 :         return ret;
      36                 :            : }

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