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| Rev | Author | Line No. | Line |
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| 8687 | turbocat | 1 | /* memmove( void *, const void *, size_t ) |
| 2 | |||
| 3 | This file is part of the Public Domain C Library (PDCLib). |
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| 4 | Permission is granted to use, modify, and / or redistribute at will. |
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| 5 | */ |
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| 6 | |||
| 7 | #include |
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| 8 | |||
| 9 | void * memmove( void * s1, const void * s2, size_t n ) |
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| 10 | { |
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| 11 | char * dest = ( char * ) s1; |
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| 12 | const char * src = ( const char * ) s2; |
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| 13 | |||
| 14 | if ( dest <= src ) |
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| 15 | { |
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| 16 | while ( n-- ) |
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| 17 | { |
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| 18 | *dest++ = *src++; |
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| 19 | } |
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| 20 | } |
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| 21 | else |
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| 22 | { |
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| 23 | src += n; |
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| 24 | dest += n; |
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| 25 | |||
| 26 | while ( n-- ) |
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| 27 | { |
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| 28 | *--dest = *--src; |
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| 29 | } |
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| 30 | } |
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| 31 | |||
| 32 | return s1; |
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| 33 | } |