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/* test program for mgetty's config routines
* - ptr/int + struct size checks
*
* $Id: t_config.c,v 1.2 2018/03/06 12:27:56 gert Exp $
*
* $Log: t_config.c,v $
* Revision 1.2 2018/03/06 12:27:56 gert
* cast sizeof() to (int) for printing with %d
*
* Revision 1.1 2004/11/02 08:14:19 gert
* test ptr/int and struct alignment for mgetty's config routines
*
*/
#include <stdio.h>
#include "mgetty.h"
#include "config.h"
#include "conf_mg.h"
int main _P2((argc, argv), int argc, char ** argv)
{
int rc = 0;
p_int test1_i;
void * test1_p;
conf_data c_a[2];
/* test 1: make sure "p_int" and "void *" have same size
*/
if ( sizeof(test1_i) != sizeof(test1_p) )
{
fprintf( stderr, "%s: test1 FAIL: sizeof(p_int)=%d <-> sizeof(void *)=%d\n", argv[0], (int)sizeof(test1_i), (int)sizeof(test1_p) );
rc++;
}
/* test 2: make sure "struct of struct" and "array of struct"
* have same alignment - otherwise config.c logic will break down
*/
if ( ( (char *)&c_a[1] - (char *)&c_a[0] ) !=
( (char *)&c.switchbd - (char *)&c.speed ) )
{
fprintf( stderr, "%s: test2 FAIL: struct-in-struct != array-of-struct.\n", argv[0] );
rc++;
}
return rc;
}
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