Viewing file:  pr23484-chk.c (1.6 KB) -rw-r--r--
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/* PR middle-end/23484 */
extern void abort (void);
typedef __SIZE_TYPE__ size_t;
extern size_t strlen (const char *);
extern void *memcpy (void *, const void *, size_t);
extern void *mempcpy (void *, const void *, size_t);
extern void *memmove (void *, const void *, size_t);
extern int snprintf (char *, size_t, const char *, ...);
extern int memcmp (const void *, const void *, size_t);
#include "chk.h"
static char data[8] = "ABCDEFG";
int l1;
void
__attribute__((noinline))
test1 (void)
{
char buf[8];
/* All the checking calls in this routine have a maximum length, so
object size checking should be done at compile time if optimizing. */
chk_calls = 0;
memset (buf, 'I', sizeof (buf));
if (memcpy (buf, data, l1 ? sizeof (buf) : 4) != buf
|| memcmp (buf, "ABCDIIII", 8))
abort ();
memset (buf, 'J', sizeof (buf));
if (mempcpy (buf, data, l1 ? sizeof (buf) : 4) != buf + 4
|| memcmp (buf, "ABCDJJJJ", 8))
abort ();
memset (buf, 'K', sizeof (buf));
if (memmove (buf, data, l1 ? sizeof (buf) : 4) != buf
|| memcmp (buf, "ABCDKKKK", 8))
abort ();
memset (buf, 'L', sizeof (buf));
#if(__SIZEOF_INT__ >= 4)
if (snprintf (buf, l1 ? sizeof (buf) : 4, "%d", l1 + 65536) != 5
|| memcmp (buf, "655\0LLLL", 8))
abort ();
#else
if (snprintf (buf, l1 ? sizeof (buf) : 4, "%d", l1 + 32700) != 5
|| memcmp (buf, "327\0LLLL", 8))
abort ();
#endif
if (chk_calls)
abort ();
}
void
main_test (void)
{
#ifndef __OPTIMIZE__
/* Object size checking is only intended for -O[s123]. */
return;
#endif
__asm ("" : "=r" (l1) : "0" (l1));
test1 ();
}
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