Viewing file:  strcmp.c (1.14 KB) -rw-r--r--
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/* Copyright (C) 2000, 2003, 2004 Free Software Foundation.
Ensure all expected transformations of builtin strcmp
occur and perform correctly.
Written by Jakub Jelinek, 11/7/2000. */
extern void abort (void);
extern int strcmp (const char *, const char *);
int x = 7;
char *bar = "hi world";
void
main_test (void)
{
const char *const foo = "hello world";
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 ();
/* Test at least one instance of the __builtin_ style. We do this
to ensure that it works and that the prototype is correct. */
if (__builtin_strcmp (foo, "hello") <= 0)
abort ();
}
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