| Revision 17620,
634 bytes
checked in by ghudson, 22 years ago
(diff) |
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This commit was generated by cvs2svn to compensate for changes in r17619,
which included commits to RCS files with non-trunk default branches.
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| 1 | /* memmove.c -- copy memory. |
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| 2 | Copy LENGTH bytes from SOURCE to DEST. Does not null-terminate. |
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| 3 | In the public domain. |
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| 4 | By David MacKenzie <djm@gnu.ai.mit.edu>. */ |
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| 5 | |
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| 6 | #ifdef HAVE_CONFIG_H |
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| 7 | #include <config.h> |
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| 8 | #endif |
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| 9 | |
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| 10 | void |
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| 11 | memmove (dest, source, length) |
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| 12 | char *dest; |
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| 13 | const char *source; |
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| 14 | unsigned length; |
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| 15 | { |
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| 16 | if (source < dest) |
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| 17 | /* Moving from low mem to hi mem; start at end. */ |
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| 18 | for (source += length, dest += length; length; --length) |
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| 19 | *--dest = *--source; |
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| 20 | else if (source != dest) |
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| 21 | /* Moving from hi mem to low mem; start at beginning. */ |
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| 22 | for (; length; --length) |
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| 23 | *dest++ = *source++; |
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| 24 | } |
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