80 lines
1.2 KiB
C
80 lines
1.2 KiB
C
extern void abort (void);
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extern int inside_main;
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typedef __SIZE_TYPE__ size_t;
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#define TEST_ABORT if (inside_main) abort()
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void *
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my_memcpy (void *d, const void *s, size_t n)
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{
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char *dst = (char *) d;
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const char *src = (const char *) s;
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while (n--)
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*dst++ = *src++;
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return (char *) d;
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}
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void
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my_bcopy (const void *s, void *d, size_t n)
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{
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char *dst = (char *) d;
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const char *src = (const char *) s;
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if (src >= dst)
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while (n--)
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*dst++ = *src++;
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else
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{
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dst += n;
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src += n;
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while (n--)
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*--dst = *--src;
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}
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}
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void *
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my_memset (void *d, int c, size_t n)
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{
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char *dst = (char *) d;
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while (n--)
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*dst++ = c;
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return (char *) d;
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}
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void
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my_bzero (void *d, size_t n)
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{
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char *dst = (char *) d;
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while (n--)
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*dst++ = '\0';
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}
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void *
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memcpy (void *d, const void *s, size_t n)
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{
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void *result = my_memcpy (d, s, n);
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TEST_ABORT;
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return result;
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}
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void
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bcopy (const void *s, void *d, size_t n)
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{
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my_bcopy (s, d, n);
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TEST_ABORT;
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}
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void *
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memset (void *d, int c, size_t n)
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{
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void *result = my_memset (d, c, n);
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TEST_ABORT;
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return result;
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}
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void
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bzero (void *d, size_t n)
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{
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my_bzero (d, n);
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TEST_ABORT;
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}
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