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/* Copyright (C) 2000 Free Software Foundation.
Ensure all expected transformations of builtin strlen, strcmp,
strrchr and rindex occur and perform correctly.
Written by Jakub Jelinek, 11/7/2000. */
extern void abort (void);
extern __SIZE_TYPE__ strlen (const char *);
extern int strcmp (const char *, const char *);
extern char *strrchr (const char *, int);
int x = 6;
char *bar = "hi world";
int main()
{
const char *const foo = "hello world";
if (strlen (foo) != 11)
abort ();
if (strlen (foo + 4) != 7)
abort ();
if (strlen (foo + (x++ & 7)) != 5)
abort ();
if (x != 7)
abort ();
if (strcmp (foo, "hello") <= 0)
abort ();
if (strcmp (foo + 2, "llo") <= 0)
abort ();
if (strcmp (foo, foo) != 0)
abort ();
if (strcmp (foo, "hello world ") >= 0)
abort ();
if (strcmp (foo + 10, "dx") >= 0)
abort ();
if (strcmp (10 + foo, "dx") >= 0)
abort ();
if (strcmp (bar, "") <= 0)
abort ();
if (strcmp ("", bar) >= 0)
abort ();
if (strcmp (bar+8, "") != 0)
abort ();
if (strcmp ("", bar+8) != 0)
abort ();
if (strcmp (bar+(--x), "") <= 0 || x != 6)
abort ();
if (strcmp ("", bar+(++x)) >= 0 || x != 7)
abort ();
if (strrchr (foo, 'x'))
abort ();
if (strrchr (foo, 'o') != foo + 7)
abort ();
if (strrchr (foo, 'e') != foo + 1)
abort ();
if (strrchr (foo + 3, 'e'))
abort ();
if (strrchr (foo, '\0') != foo + 11)
abort ();
if (strrchr (bar, '\0') != bar + 8)
abort ();
if (strrchr (bar + 4, '\0') != bar + 8)
abort ();
if (strrchr (bar + (x++ & 3), '\0') != bar + 8)
abort ();
if (x != 8)
abort ();
/* For systems which don't have rindex, we test the __builtin_
version to avoid spurious link failures at -O0. We only need to
test one case since everything is handled in the same code path
as builtin strrchr. */
if (__builtin_rindex ("hello", 'z') != 0)
abort ();
return 0;
}
static char *
rindex (const char *s, int c)
{
abort ();
}
#ifdef __OPTIMIZE__
/* When optimizing, all the above cases should be transformed into
something else. So any remaining calls to the original function
should abort. */
static __SIZE_TYPE__
strlen (const char *s)
{
abort ();
}
static int
strcmp (const char *s1, const char *s2)
{
abort ();
}
static char *
strrchr (const char *s, int c)
{
abort ();
}
#endif
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