Viewing file:  memmove.c (2.05 KB) -rw-r--r--
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/* Copyright (C) 2003, 2004 Free Software Foundation.
Ensure builtin memmove and bcopy perform correctly.
Written by Jakub Jelinek, 4/26/2003. */
extern void abort (void);
typedef __SIZE_TYPE__ size_t;
extern void *memmove (void *, const void *, size_t);
extern void bcopy (const void *, void *, size_t);
extern int memcmp (const void *, const void *, size_t);
const char s1[] = "123";
char p[32] = "";
static const struct foo
{
char *s;
double d;
long l;
} foo[] =
{
{ "hello world1", 3.14159, 101L },
{ "hello world2", 3.14159, 102L },
{ "hello world3", 3.14159, 103L },
{ "hello world4", 3.14159, 104L },
{ "hello world5", 3.14159, 105L },
{ "hello world6", 3.14159, 106L }
};
static const struct bar
{
char *s;
const struct foo f[3];
} bar[] =
{
{
"hello world10",
{
{ "hello1", 3.14159, 201L },
{ "hello2", 3.14159, 202L },
{ "hello3", 3.14159, 203L },
}
},
{
"hello world11",
{
{ "hello4", 3.14159, 204L },
{ "hello5", 3.14159, 205L },
{ "hello6", 3.14159, 206L },
}
}
};
static const int baz[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 };
void
main_test (void)
{
const char *s;
struct foo f1[sizeof foo/sizeof*foo];
struct bar b1[sizeof bar/sizeof*bar];
int bz[sizeof baz/sizeof*baz];
if (memmove (f1, foo, sizeof (foo)) != f1 || memcmp (f1, foo, sizeof (foo)))
abort ();
if (memmove (b1, bar, sizeof (bar)) != b1 || memcmp (b1, bar, sizeof (bar)))
abort ();
bcopy (baz, bz, sizeof (baz));
if (memcmp (bz, baz, sizeof (baz)))
abort ();
if (memmove (p, "abcde", 6) != p || memcmp (p, "abcde", 6))
abort ();
s = s1;
if (memmove (p + 2, ++s, 0) != p + 2 || memcmp (p, "abcde", 6) || s != s1 + 1)
abort ();
if (__builtin_memmove (p + 3, "", 1) != p + 3 || memcmp (p, "abc\0e", 6))
abort ();
bcopy ("fghijk", p + 2, 4);
if (memcmp (p, "abfghi", 7))
abort ();
s = s1 + 1;
bcopy (s++, p + 1, 0);
if (memcmp (p, "abfghi", 7) || s != s1 + 2)
abort ();
__builtin_bcopy ("ABCDE", p + 4, 1);
if (memcmp (p, "abfgAi", 7))
abort ();
}
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