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From: "Fred J. Tydeman" <tydeman@tybor.com>
To: "ISO C" <sc22wg14@open-std.org>
Date: Wed, 10 Dec 2014 16:32:52 -0800 (PST)
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Subject: _Generic and bit-fields
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/*
 * What should print=3F
 * If i is 0, what can I use to match bit-field in the =5FGeneric=3F
 * How can =5FGeneric be used to match bit-field types=3F
 */

#include <stdio.h>

int main(void){

  struct {
    unsigned int bf: 4;         /* bit-field */
  } st;
  int i;

  st.bf =3D 0;
  i =3D =5FGeneric(st.bf,
               signed char: 5,
               unsigned char: 6,
               signed short: 1,
               unsigned short: 2,
               unsigned int: 3,
               signed int: 4,
               default: 0);

  (void)printf("i=3D%i\n", i);
  (void)printf("bf=3D%i\n", (int)st.bf);

  return 0;
}


---
Fred J. Tydeman        Tydeman Consulting
tydeman@tybor.com      Testing, numerics, programming
+1 (775) 287-5904      Vice-chair of PL22.11 (ANSI "C")
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