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/* Check for correct handling of nested scopes in a zero-biased
executable. */
/* Relevant compile flags are:
-Wall -g -I$prefix/include/valgrind
eg -Wall -g -I`pwd`/Inst/include/valgrind
*/
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include "memcheck/memcheck.h"
/* Cause memcheck to complain about the address "a" and so to print
its best guess as to what "a" actually is. a must be
addressible. */
void croak ( void* aV )
{
char* a = (char*)aV;
char* undefp = malloc(1);
char saved = *a;
assert(undefp);
*a = *undefp;
(void) VALGRIND_CHECK_MEM_IS_DEFINED(a, 1);
*a = saved;
free(undefp);
}
#include <stdio.h>
void foo ( void )
{
int var;
var = 1;
{ char var[10];
var[6] = 4;
croak( &var[7] );
{ struct { double foo; float bar; } var;
croak ( 2 + (char*)&var.bar );
}
}
croak( 1 + (char*)&var );
}
int main ( void )
{
foo();
return 0;
}
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