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author | aqua <aqua@iserlohn-fortress.net> | 2022-03-28 20:03:38 +0300 |
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committer | aqua <aqua@iserlohn-fortress.net> | 2022-08-12 10:13:59 +0300 |
commit | edf9e71e2a7b6b89775c29cf28c19c6b89992c25 (patch) | |
tree | 3adbf944d9e47a743063487c4facb7eed1fbdee0 /lib/memcpy.c | |
download | kernel-edf9e71e2a7b6b89775c29cf28c19c6b89992c25.tar.xz |
Initial commit
x86 kernel that prints a hello world message to com1
Diffstat (limited to 'lib/memcpy.c')
-rw-r--r-- | lib/memcpy.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/lib/memcpy.c b/lib/memcpy.c new file mode 100644 index 0000000..c648501 --- /dev/null +++ b/lib/memcpy.c @@ -0,0 +1,20 @@ +/** + * The memcpy() function copies n bytes from memory area src to memory area dest. The memory areas must not overlap. + * @param dest + * @param src + * @param n + * @return + */ +void * +memcpy(void *restrict dest, const void *restrict src, unsigned n) +{ + char *pDest = (char *)dest; + const char *pSrc = (const char *)src; + + while (n) { + *(pDest++) = *(pSrc++); + --n; + } + + return dest; +}
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