/*      $NetBSD: expr_promote.c,v 1.5 2024/11/05 04:53:28 rillig Exp $  */
# 3 "expr_promote.c"

/*
 * Test arithmetic promotions in C90 and later.
 */

/* lint1-flags: -Sw -X 351 */

void sink(const char *, ...);

struct arithmetic_types {
        _Bool boolean;
        char plain_char;
        signed char signed_char;
        unsigned char unsigned_char;
        short signed_short;
        unsigned short unsigned_short;
        int signed_int;
        unsigned int unsigned_int;
        long signed_long;
        unsigned long unsigned_long;
        long long signed_long_long;
        unsigned long long unsigned_long_long;
        float float_floating;
        double double_floating;
        long double long_floating;
        float _Complex float_complex;
        double _Complex double_complex;
        long double _Complex long_double_complex;
        enum {
                E
        } enumerator;
};

void
caller(struct arithmetic_types *arg)
{
        /* See expr_promote.exp-ln for the resulting types. */
        sink("",
            arg->boolean,               /* should get promoted to 'int' */
            arg->plain_char,            /* gets promoted to 'int' */
            arg->signed_char,           /* gets promoted to 'int' */
            arg->unsigned_char,         /* gets promoted to 'int' */
            arg->signed_short,          /* gets promoted to 'int' */
            arg->unsigned_short,        /* gets promoted to 'int' */
            arg->signed_int,
            arg->unsigned_int,
            arg->signed_long,
            arg->unsigned_long,
            arg->signed_long_long,
            arg->unsigned_long_long,
            arg->float_floating,        /* gets promoted to 'double' */
            arg->double_floating,
            arg->long_floating,
            arg->float_complex,
            arg->double_complex,
            arg->long_double_complex,
            arg->enumerator);           /* should get promoted to 'int' */
}

/*
 * XXX: _Bool should be promoted to 'int', C99 6.3.1.1p2 "If an int can
 * represent ...".
 */
/*
 * XXX: Enumerations may need be promoted to 'int', at least C99 6.3.1.1p2
 * suggests that: "If an int can represent ...".
 */