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/* Copyright (C) 2000, 2003 Free Software Foundation.
Ensure all expected transformations of builtin strcat occur and
perform correctly.
Written by Kaveh R. Ghazi, 11/27/2000. */
extern int inside_main;
extern void abort (void);
typedef __SIZE_TYPE__ size_t;
extern char *strcat (char *, const char *);
extern char *strcpy (char *, const char *);
extern void *memset (void *, int, size_t);
extern int memcmp (const void *, const void *, size_t);
#define RESET_DST_WITH(FILLER) \
do { memset (dst, 'X', sizeof (dst)); strcpy (dst, (FILLER)); } while (0)
void main_test (void)
{
const char *const s1 = "hello world";
const char *const s2 = "";
char dst[64], *d2;
RESET_DST_WITH (s1);
if (strcat (dst, "") != dst || memcmp (dst, "hello world\0XXX", 15))
abort();
RESET_DST_WITH (s1);
if (strcat (dst, s2) != dst || memcmp (dst, "hello world\0XXX", 15))
abort();
RESET_DST_WITH (s1); d2 = dst;
if (strcat (++d2, s2) != dst+1 || d2 != dst+1
|| memcmp (dst, "hello world\0XXX", 15))
abort();
RESET_DST_WITH (s1); d2 = dst;
if (strcat (++d2+5, s2) != dst+6 || d2 != dst+1
|| memcmp (dst, "hello world\0XXX", 15))
abort();
RESET_DST_WITH (s1); d2 = dst;
if (strcat (++d2+5, s1+11) != dst+6 || d2 != dst+1
|| memcmp (dst, "hello world\0XXX", 15))
abort();
#ifndef __OPTIMIZE_SIZE__
# if !defined __i386__ && !defined __x86_64__
/* The functions below might not be optimized into direct stores on all
arches. It depends on how many instructions would be generated and
what limits the architecture chooses in STORE_BY_PIECES_P. */
inside_main = 0;
# endif
RESET_DST_WITH (s1);
if (strcat (dst, " 1111") != dst
|| memcmp (dst, "hello world 1111\0XXX", 20))
abort();
RESET_DST_WITH (s1);
if (strcat (dst+5, " 2222") != dst+5
|| memcmp (dst, "hello world 2222\0XXX", 20))
abort();
RESET_DST_WITH (s1); d2 = dst;
if (strcat (++d2+5, " 3333") != dst+6 || d2 != dst+1
|| memcmp (dst, "hello world 3333\0XXX", 20))
abort();
RESET_DST_WITH (s1);
strcat (strcat (strcat (strcat (strcat (strcat (dst, ": this "), ""),
"is "), "a "), "test"), ".");
if (memcmp (dst, "hello world: this is a test.\0X", 30))
abort();
/* Set inside_main again. */
inside_main = 1;
#endif
/* Test at least one instance of the __builtin_ style. We do this
to ensure that it works and that the prototype is correct. */
RESET_DST_WITH (s1);
if (__builtin_strcat (dst, "") != dst || memcmp (dst, "hello world\0XXX", 15))
abort();
}
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