2022-04-15 11:00:55 +02:00
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/* Copyright (C) 1994 DJ Delorie, see COPYING.DJ for details */
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#include <string.h>
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char* strncpy(char* dst, const char* src, size_t n)
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{
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int d0, d1, d2, d3;
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__asm__ __volatile__(
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"1:\tdecl %2\n\t"
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"js 2f\n\t"
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"lodsb\n\t"
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"stosb\n\t"
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"testb %%al,%%al\n\t"
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"jne 1b\n\t"
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"rep\n\t"
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"stosb\n"
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"2:"
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: "=&S"(d0), "=&D"(d1), "=&c"(d2), "=&a"(d3)
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: "0"(src), "1"(dst), "2"(n)
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: "memory");
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return dst;
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2021-04-27 18:33:31 +02:00
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}
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