gcc/gcc/testsuite/gcc.dg/strlenopt-31.c

26 lines
448 B
C

/* { dg-do run } */
/* { dg-options "-O2" } */
#include "strlenopt.h"
__attribute__((noinline, noclone)) int
bar (char *p1, const char *q)
{
strcpy (p1, "abcde");
char *p2 = strchr (p1, '\0');
strcpy (p2, q);
char *p3 = strchr (p2, '\0');
memcpy (p3, "x", 2);
return strlen (p1);
}
int
main (void)
{
char buffer[10];
int res = bar (buffer, "foo");
if (strcmp (buffer, "abcdefoox") != 0 || res != 9)
abort ();
return 0;
}