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/* Copyright (C) 2003 Free Software Foundation.
Test sprintf optimizations don't break anything and return the
correct results.
Written by Roger Sayle, June 22, 2003. */
static char buffer[32];
extern void abort ();
typedef __SIZE_TYPE__ size_t;
extern int sprintf(char*, const char*, ...);
extern void *memset(void*, int, size_t);
extern int memcmp(const void*, const void*, size_t);
void test1()
{
sprintf(buffer,"foo");
}
int test2()
{
return sprintf(buffer,"foo");
}
void test3()
{
sprintf(buffer,"%s","bar");
}
int test4()
{
return sprintf(buffer,"%s","bar");
}
void test5(char *ptr)
{
sprintf(buffer,"%s",ptr);
}
int main()
{
memset (buffer, 'A', 32);
test1 ();
if (memcmp(buffer, "foo", 4) || buffer[4] != 'A')
abort ();
memset (buffer, 'A', 32);
if (test2 () != 3)
abort ();
if (memcmp(buffer, "foo", 4) || buffer[4] != 'A')
abort ();
memset (buffer, 'A', 32);
test3 ();
if (memcmp(buffer, "bar", 4) || buffer[4] != 'A')
abort ();
memset (buffer, 'A', 32);
if (test4 () != 3)
abort ();
if (memcmp(buffer, "bar", 4) || buffer[4] != 'A')
abort ();
memset (buffer, 'A', 32);
test5 ("barf");
if (memcmp(buffer, "barf", 5) || buffer[5] != 'A')
abort ();
return 0;
}
#ifdef __OPTIMIZE__
/* When optimizing, all the above cases should be transformed into
something else. So any remaining calls to the original function
should abort. */
__attribute__ ((noinline))
static int
sprintf (char *buf, const char *fmt, ...)
{
abort ();
}
#endif
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