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/* $NetBSD: expr_promote_trad.c,v 1.4 2023/03/28 14:44:34 rillig Exp $ */
# 3 "expr_promote_trad.c"
/*
* Test arithmetic promotions in traditional C.
*/
/* lint1-flags: -tw -X 351 */
sink();
struct arithmetic_types {
/* _Bool is not available in traditional C */
char plain_char;
/* signed char is not available in traditional C */
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;
/* (unsigned) long long is not available in traditional C */
/* __int128_t is not available in traditional C */
/* __uint128_t is not available in traditional C */
float single_floating;
double double_floating;
/* long double is not available in traditional C */
/* _Complex is not available in traditional C */
enum {
E
} enumerator;
};
caller(arg)
struct arithmetic_types *arg;
{
/* See expr_promote_trad.exp-ln for the resulting types. */
sink("",
arg->plain_char, /* gets promoted to 'int' */
arg->unsigned_char, /* gets promoted to 'unsigned int' */
arg->signed_short, /* gets promoted to 'int' */
arg->unsigned_short, /* gets promoted to 'unsigned int' */
arg->signed_int,
arg->unsigned_int,
arg->signed_long,
arg->unsigned_long,
arg->single_floating, /* gets promoted to 'double' */
arg->double_floating,
arg->enumerator);
}
/*
* XXX: Enumerations may need be promoted to 'int', at least C99 6.3.1.1p2
* suggests that: "If an int can represent ...".
*/
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