| 1 |
297 |
jeremybenn |
/* Copyright (C) 2000, 2003 Free Software Foundation.
|
| 2 |
|
|
|
| 3 |
|
|
Ensure all expected transformations of builtin strncat occur and
|
| 4 |
|
|
perform correctly.
|
| 5 |
|
|
|
| 6 |
|
|
Written by Kaveh R. Ghazi, 11/27/2000. */
|
| 7 |
|
|
|
| 8 |
|
|
extern void abort (void);
|
| 9 |
|
|
typedef __SIZE_TYPE__ size_t;
|
| 10 |
|
|
extern char *strncat (char *, const char *, size_t);
|
| 11 |
|
|
extern char *strcpy (char *, const char *);
|
| 12 |
|
|
extern void *memset (void *, int, size_t);
|
| 13 |
|
|
extern int memcmp (const void *, const void *, size_t);
|
| 14 |
|
|
int x = 123;
|
| 15 |
|
|
|
| 16 |
|
|
/* Reset the destination buffer to a known state. */
|
| 17 |
|
|
#define RESET_DST_WITH(FILLER) \
|
| 18 |
|
|
do { memset (dst, 'X', sizeof (dst)); strcpy (dst, (FILLER)); } while (0)
|
| 19 |
|
|
|
| 20 |
|
|
void
|
| 21 |
|
|
main_test (void)
|
| 22 |
|
|
{
|
| 23 |
|
|
const char *const s1 = "hello world";
|
| 24 |
|
|
const char *const s2 = "";
|
| 25 |
|
|
char dst[64], *d2;
|
| 26 |
|
|
|
| 27 |
|
|
RESET_DST_WITH (s1);
|
| 28 |
|
|
if (strncat (dst, "", 100) != dst || memcmp (dst, "hello world\0XXX", 15))
|
| 29 |
|
|
abort();
|
| 30 |
|
|
RESET_DST_WITH (s1);
|
| 31 |
|
|
if (strncat (dst, s2, 100) != dst || memcmp (dst, "hello world\0XXX", 15))
|
| 32 |
|
|
abort();
|
| 33 |
|
|
RESET_DST_WITH (s1); d2 = dst;
|
| 34 |
|
|
if (strncat (++d2, s2, 100) != dst+1 || d2 != dst+1
|
| 35 |
|
|
|| memcmp (dst, "hello world\0XXX", 15))
|
| 36 |
|
|
abort();
|
| 37 |
|
|
RESET_DST_WITH (s1); d2 = dst;
|
| 38 |
|
|
if (strncat (++d2+5, s2, 100) != dst+6 || d2 != dst+1
|
| 39 |
|
|
|| memcmp (dst, "hello world\0XXX", 15))
|
| 40 |
|
|
abort();
|
| 41 |
|
|
RESET_DST_WITH (s1); d2 = dst;
|
| 42 |
|
|
if (strncat (++d2+5, s1+11, 100) != dst+6 || d2 != dst+1
|
| 43 |
|
|
|| memcmp (dst, "hello world\0XXX", 15))
|
| 44 |
|
|
abort();
|
| 45 |
|
|
RESET_DST_WITH (s1); d2 = dst;
|
| 46 |
|
|
if (strncat (++d2+5, s1, 0) != dst+6 || d2 != dst+1
|
| 47 |
|
|
|| memcmp (dst, "hello world\0XXX", 15))
|
| 48 |
|
|
abort();
|
| 49 |
|
|
RESET_DST_WITH (s1); d2 = dst;
|
| 50 |
|
|
if (strncat (++d2+5, "", ++x) != dst+6 || d2 != dst+1 || x != 124
|
| 51 |
|
|
|| memcmp (dst, "hello world\0XXX", 15))
|
| 52 |
|
|
abort();
|
| 53 |
|
|
|
| 54 |
|
|
RESET_DST_WITH (s1);
|
| 55 |
|
|
if (strncat (dst, "foo", 3) != dst || memcmp (dst, "hello worldfoo\0XXX", 18))
|
| 56 |
|
|
abort();
|
| 57 |
|
|
RESET_DST_WITH (s1);
|
| 58 |
|
|
if (strncat (dst, "foo", 100) != dst || memcmp (dst, "hello worldfoo\0XXX", 18))
|
| 59 |
|
|
abort();
|
| 60 |
|
|
RESET_DST_WITH (s1);
|
| 61 |
|
|
if (strncat (dst, s1, 100) != dst || memcmp (dst, "hello worldhello world\0XXX", 26))
|
| 62 |
|
|
abort();
|
| 63 |
|
|
RESET_DST_WITH (s1); d2 = dst;
|
| 64 |
|
|
if (strncat (++d2, s1, 100) != dst+1 || d2 != dst+1
|
| 65 |
|
|
|| memcmp (dst, "hello worldhello world\0XXX", 26))
|
| 66 |
|
|
abort();
|
| 67 |
|
|
RESET_DST_WITH (s1); d2 = dst;
|
| 68 |
|
|
if (strncat (++d2+5, s1, 100) != dst+6 || d2 != dst+1
|
| 69 |
|
|
|| memcmp (dst, "hello worldhello world\0XXX", 26))
|
| 70 |
|
|
abort();
|
| 71 |
|
|
RESET_DST_WITH (s1); d2 = dst;
|
| 72 |
|
|
if (strncat (++d2+5, s1+5, 100) != dst+6 || d2 != dst+1
|
| 73 |
|
|
|| memcmp (dst, "hello world world\0XXX", 21))
|
| 74 |
|
|
abort();
|
| 75 |
|
|
|
| 76 |
|
|
/* Test at least one instance of the __builtin_ style. We do this
|
| 77 |
|
|
to ensure that it works and that the prototype is correct. */
|
| 78 |
|
|
RESET_DST_WITH (s1);
|
| 79 |
|
|
if (__builtin_strncat (dst, "", 100) != dst
|
| 80 |
|
|
|| memcmp (dst, "hello world\0XXX", 15))
|
| 81 |
|
|
abort();
|
| 82 |
|
|
}
|
