/*
* Test how expressions are handled in a context where they are tested for
* truthiness, such as in the condition of an if statement.
*/
/* lint1-extra-flags: -X 351 */
struct s {
int member;
};
union u {
int member;
};
enum e {
E
};
struct arr {
int arr[4];
};
/* C99 6.2.5p2 */
void if_Bool(_Bool b) { if (b) return; }
/* C99 6.2.5p3 */
void if_char(char c) { if (c) return; }
/* C99 6.2.5p4 */
void if_signed_char(signed char sc) { if (sc) return; }
void if_short_int(short s) { if (s) return; }
void if_int(int i) { if (i) return; }
void if_long_int(long int l) { if (l) return; }
void if_long_long_int(long long int ll) { if (ll) return; }
/* C99 6.2.5p6 */
void if_unsigned_char(unsigned char uc) { if (uc) return; }
void if_unsigned_short_int(unsigned short us) { if (us) return; }
void if_unsigned_int(unsigned int ui) { if (ui) return; }
void if_unsigned_long_int(unsigned long int ul) { if (ul) return; }
void if_unsigned_long_long_int(unsigned long long int ull) { if (ull) return; }
/* C99 6.2.5p10 */
void if_float(float f) { if (f) return; }
void if_double(double d) { if (d) return; }
void if_long_double(long double ld) { if (ld) return; }
/* C99 6.2.5p16 */
void if_enum(enum e e) { if (e) return; }
/* C99 6.2.5p20 */
void if_array(struct arr arr) { if (arr.arr) return; }
/* expect+2: error: controlling expressions must have scalar type [204] */
/* expect+1: warning: parameter 's' unused in function 'if_struct' [231] */
void if_struct(struct s s) { if (s) return; }
/* expect+2: error: controlling expressions must have scalar type [204] */
/* expect+1: warning: parameter 'u' unused in function 'if_union' [231] */
void if_union(union u u) { if (u) return; }
void if_function(void) { if (if_function) return; }
void if_pointer(void *p) { if (p) return; }
/* C99 6.8.5 */
/* expect+2: error: controlling expressions must have scalar type [204] */
/* expect+1: warning: parameter 's' unused in function 'while_struct' [231] */
void while_struct(struct s s) { while (s) return; }
/* expect+3: error: controlling expressions must have scalar type [204] */
/* expect+2: warning: end-of-loop code not reached [223] */
/* expect+1: warning: parameter 's' unused in function 'for_struct' [231] */
void for_struct(struct s s) { for (;s;) return; }
/* expect+2: error: controlling expressions must have scalar type [204] */
/* expect+1: warning: parameter 's' unused in function 'do_while_struct' [231] */
void do_while_struct(struct s s) { do { return; } while (s); }
/* C99 6.5.15 does not require a scalar type, curiously. */
/* expect+3: error: first operand of '?' must have scalar type [170] */
/* expect+2: error: function 'conditional_struct' expects to return value [214] */
/* expect+1: warning: parameter 's' unused in function 'conditional_struct' [231] */
int conditional_struct(struct s s) { return s ? 1 : 2; }
