Viewing file:  strpcpy-2.c (1.13 KB) -rw-r--r--
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/* Copyright (C) 2003 Free Software Foundation.
Ensure that builtin stpcpy performs correctly.
Written by Jakub Jelinek, 21/05/2003. */
extern void abort (void);
typedef __SIZE_TYPE__ size_t;
extern int memcmp (const void *, const void *, size_t);
extern char *stpcpy (char *, const char *);
extern int inside_main;
long buf1[64];
char *buf2 = (char *) (buf1 + 32);
long buf5[20];
char buf7[20];
void
__attribute__((noinline))
test (long *buf3, char *buf4, char *buf6, int n)
{
int i = 4;
if (stpcpy ((char *) buf3, "abcdefghijklmnop") != (char *) buf1 + 16
|| memcmp (buf1, "abcdefghijklmnop", 17))
abort ();
if (__builtin_stpcpy ((char *) buf3, "ABCDEFG") != (char *) buf1 + 7
|| memcmp (buf1, "ABCDEFG\0ijklmnop", 17))
abort ();
if (stpcpy ((char *) buf3 + i++, "x") != (char *) buf1 + 5
|| memcmp (buf1, "ABCDx\0G\0ijklmnop", 17))
abort ();
}
void
main_test (void)
{
/* All these tests are allowed to call mempcpy/stpcpy. */
inside_main = 0;
__builtin_memcpy (buf5, "RSTUVWXYZ0123456789", 20);
__builtin_memcpy (buf7, "RSTUVWXYZ0123456789", 20);
test (buf1, buf2, "rstuvwxyz", 0);
}
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